Astyanax

Summary

Alias:

Top Publications

  1. ncbi [Efficacy of fish as predators of Aedes aegypti larvae, under laboratory conditions]
    Luciano Pamplona de Góes Cavalcanti
    Departamento de Saude Comunitaria, Universidade Federal do Ceara, Fortaleza, CE, Brasil
    Rev Saude Publica 41:638-44. 2007
  2. ncbi Ultrastructure of the taste buds in the blind cave fish Astyanax jordani ("Anoptichthys") and the sighted river fish Astyanax mexicanus (Teleostei, Characidae)
    F Boudriot
    Department of Anatomy, University of Tubingen, 72074 Tubingen, Germany
    J Comp Neurol 434:428-44. 2001
  3. ncbi Description of Dendrorchis retrobiloba n. sp. (Digenea: Gorgoderidae) from Astyanax fasciatus (Teleostei: Characidae) from Southern Uruguay, with an emended diagnosis of the genus Dendrorchis
    Odile Volonterio
    Laboratorio de Zoología de Invertebrados, Facultad de Ciencias, Montevideo, Uruguay
    J Parasitol 91:1204-7. 2005
  4. pmc Pleiotropic functions of embryonic sonic hedgehog expression link jaw and taste bud amplification with eye loss during cavefish evolution
    Yoshiyuki Yamamoto
    Department of Biology, University of Maryland, College Park, MD 20742, USA
    Dev Biol 330:200-11. 2009
  5. ncbi [Ichthyofauna of karstic wetlands under anthropic impact: the "petenes" of Campeche, Mexico]
    Ivette Liliana Torres-Castro
    El Colegio de la Frontera Sur, Unidad Campeche, Campeche, Mexico
    Rev Biol Trop 57:141-57. 2009
  6. ncbi Astyanax cocibolca, a new characid (Pisces: Ostariophysi) from Lake Nicaragua, Central America
    William A Bussing
    Escuela de Biología and Centro de Investigaciones en Ciencias del Mar y Limnología CIMAR, Universidad de Costa Rica, San Jose, Costa Rica
    Rev Biol Trop 56:1361-70. 2008
  7. ncbi Prox 1 in eye degeneration and sensory organ compensation during development and evolution of the cavefish Astyanax
    W Jeffery
    Department of Biology, University of Maryland, College Park, MD 20742, USA
    Dev Genes Evol 210:223-30. 2000
  8. pmc A novel role for Mc1r in the parallel evolution of depigmentation in independent populations of the cavefish Astyanax mexicanus
    Joshua B Gross
    Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
    PLoS Genet 5:e1000326. 2009
  9. doi Chromosomal location and distribution of As51 satellite DNA in five species of the genus Astyanax (Teleostei, Characidae, Incertae sedis)
    D L Z Kantek
    Departamento de Genetica e Evolucao, Laboratorio de Citogenetica, Universidade Federal de Sao Carlos, Sao Carlos, São Paulo 13565 905, Brazil
    J Fish Biol 75:408-21. 2009
  10. ncbi Evidence for multiple genetic forms with similar eyeless phenotypes in the blind cavefish, Astyanax mexicanus
    Thomas E Dowling
    Department of Biology, Arizona State University, Tempe, AZ 85287 1501, USA
    Mol Biol Evol 19:446-55. 2002

Detail Information

Publications162 found, 100 shown here

  1. ncbi [Efficacy of fish as predators of Aedes aegypti larvae, under laboratory conditions]
    Luciano Pamplona de Góes Cavalcanti
    Departamento de Saude Comunitaria, Universidade Federal do Ceara, Fortaleza, CE, Brasil
    Rev Saude Publica 41:638-44. 2007
    ..To evaluate the efficacy of fish as predators of the Aedes aegypti larvae in laboratory conditions...
  2. ncbi Ultrastructure of the taste buds in the blind cave fish Astyanax jordani ("Anoptichthys") and the sighted river fish Astyanax mexicanus (Teleostei, Characidae)
    F Boudriot
    Department of Anatomy, University of Tubingen, 72074 Tubingen, Germany
    J Comp Neurol 434:428-44. 2001
    This study describes the ultrastructure of the taste buds of the sighted river fish Astyanax mexicanus and of the blind cave fish Astyanax jordani (= Anoptichthys) (Teleostei, Characiformes, Characidae)...
  3. ncbi Description of Dendrorchis retrobiloba n. sp. (Digenea: Gorgoderidae) from Astyanax fasciatus (Teleostei: Characidae) from Southern Uruguay, with an emended diagnosis of the genus Dendrorchis
    Odile Volonterio
    Laboratorio de Zoología de Invertebrados, Facultad de Ciencias, Montevideo, Uruguay
    J Parasitol 91:1204-7. 2005
    ..Dendrorchis retrobiloba n. sp. is described from the swim bladder of Astyanax fasciatus from Cañada del Dragón stream in Montevideo, southern Uruguay (34 degrees 47'S, 56 degrees 14'W), and ..
  4. pmc Pleiotropic functions of embryonic sonic hedgehog expression link jaw and taste bud amplification with eye loss during cavefish evolution
    Yoshiyuki Yamamoto
    Department of Biology, University of Maryland, College Park, MD 20742, USA
    Dev Biol 330:200-11. 2009
    ..increasing oral-pharyngeal constructive traits (jaws and taste buds) at the expense of eyes in the blind cavefish Astyanax mexicanus. In cavefish embryos, eye primordia degenerate under the influence of hyperactive Shh signaling...
  5. ncbi [Ichthyofauna of karstic wetlands under anthropic impact: the "petenes" of Campeche, Mexico]
    Ivette Liliana Torres-Castro
    El Colegio de la Frontera Sur, Unidad Campeche, Campeche, Mexico
    Rev Biol Trop 57:141-57. 2009
    ..The dominant species in both seasons was Astyanax (probable hybrids A. aeneus x altior at Hampolol, pure A...
  6. ncbi Astyanax cocibolca, a new characid (Pisces: Ostariophysi) from Lake Nicaragua, Central America
    William A Bussing
    Escuela de Biología and Centro de Investigaciones en Ciencias del Mar y Limnología CIMAR, Universidad de Costa Rica, San Jose, Costa Rica
    Rev Biol Trop 56:1361-70. 2008
    b>Astyanax cocibolca, a small filter-feeding species is a new characid species endemic to Lake Nicaragua...
  7. ncbi Prox 1 in eye degeneration and sensory organ compensation during development and evolution of the cavefish Astyanax
    W Jeffery
    Department of Biology, University of Maryland, College Park, MD 20742, USA
    Dev Genes Evol 210:223-30. 2000
    ..The teleost Astyanax mexicanus consists of sighted surface-dwelling forms (surface fish) and several populations of blind cave-..
  8. pmc A novel role for Mc1r in the parallel evolution of depigmentation in independent populations of the cavefish Astyanax mexicanus
    Joshua B Gross
    Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
    PLoS Genet 5:e1000326. 2009
    ..Focusing on the Mexican cave tetra Astyanax mexicanus, we describe, here, an analysis of the brown mutation, which was first described in the literature ..
  9. doi Chromosomal location and distribution of As51 satellite DNA in five species of the genus Astyanax (Teleostei, Characidae, Incertae sedis)
    D L Z Kantek
    Departamento de Genetica e Evolucao, Laboratorio de Citogenetica, Universidade Federal de Sao Carlos, Sao Carlos, São Paulo 13565 905, Brazil
    J Fish Biol 75:408-21. 2009
    ..These repetitive sequences represent a highly dynamic component of rapid evolution in genomes. Among the genus Astyanax, the As51 satellite DNA is found in species that have large distal heterochromatic blocks, which may be ..
  10. ncbi Evidence for multiple genetic forms with similar eyeless phenotypes in the blind cavefish, Astyanax mexicanus
    Thomas E Dowling
    Department of Biology, Arizona State University, Tempe, AZ 85287 1501, USA
    Mol Biol Evol 19:446-55. 2002
    ..The teleost Astyanax mexicanus consists of an eyed epigean form (surface fish) and at least 29 different populations of eyeless ..
  11. pmc Adaptive evolution of color vision as seen through the eyes of butterflies
    Francesca D Frentiu
    Comparative and Evolutionary Physiology Group, Department of Ecology and Evolutionary Biology, University of California, Irvine, CA 92697, USA
    Proc Natl Acad Sci U S A 104:8634-40. 2007
    ..Homology modeling of the full-length Limenitis arthemis astyanax L opsin placed all four substitutions within the chromophore-binding pocket...
  12. doi Taste bud development and patterning in sighted and blind morphs of Astyanax mexicanus
    Nirupa Varatharasan
    Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada
    Dev Dyn 238:3056-64. 2009
    ..This study provides important insights into the timing of taste bud expansion in cavefish as well as enhances our understanding of taste bud development in teleosts in general...
  13. ncbi Monogeneans of freshwater fishes from cenotes (sinkholes) of the Yucatan Peninsula, Mexico
    E F Mendoza-Franco
    Laboratory of Parasitology, National Polytechnic Institute Cinvestav IPN, Yucatan, Mexico
    Folia Parasitol (Praha) 46:267-73. 1999
    ..anacanthocotyle Kritsky et Fritts, 1970, and Gyrodactylus neotropicalis Kritsky et Fritts, 1970 from Astyanax fasciatus; and Gyrodactylus sp. from Gambusia yucatana Regan. Urocleidoides chavarriai, U. travassosi, U...
  14. doi Hybrid zone origins, species boundaries, and the evolution of wing-pattern diversity in a polytypic species complex of North American admiral butterflies (Nymphalidae: Limenitis)
    Sean P Mullen
    Department of Ecology and Evolutionary Biology, Corson Hall, Cornell University, Ithaca, New York 14853, USA
    Evolution 62:1400-17. 2008
    ..Here we investigate a hybrid zone between mimetic (Limenitis arthemis astyanax) and nonmimetic (Limenitis arthemis arthemis) populations of admiral butterflies using DNA sequence variation ..
  15. doi Relationships among major lineages of characid fishes (Teleostei: Ostariophysi: Characiformes), based on molecular sequence data
    Robert Javonillo
    Department of Biological Sciences, George Washington University, Lisner Hall 340, 2023 G St NW, Washington, DC 20052, USA
    Mol Phylogenet Evol 54:498-511. 2010
    ..Inferred Bayesian and parsimony-based phylogenies reject the monophyly of certain groups (e.g., Astyanax, Hyphessobrycon, and Bryconamericus), do not reject the monophyly of others (e.g...
  16. ncbi Chromosome polymorphism in Astyanax fasciatus (Teleostei, Characidae). 1. Karyotype analysis, Ag-NORs and mapping of the 18S and 5S ribosomal genes in sympatric karyotypes and their possible hybrid forms
    R Pazza
    Departamento de Genetica e Evolucao, Universidade Federal de Sao Carlos, Sao Carlos, SP, Brazil
    Cytogenet Genome Res 112:313-9. 2006
    b>Astyanax fasciatus may be characterized as a chromosomally diversified 'species' presenting distinct cytotypes, each with its specific variants...
  17. ncbi Molecular cytogenetics of blind mexican tetra and comments on the karyotypic characteristics of genus Astyanax (Teleostei, Characidae)
    Karine Frehner Kavalco
    Department of Genetics and Evolutionary Biology, University of Sao Paulo, Sao Paulo, Brazil
    Zebrafish 4:103-11. 2007
    b>Astyanax mexicanus is popularly known as the blind Mexican tetra or blind cave tetra and has been extensively studied regarding various aspects of its biology and genetics...
  18. ncbi Patterns of investment of the reproductive strategy of two stream-dwelling Characidae
    R Mazzoni
    Departamento de Ecologia, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro UERJ, Rio de Janeiro, RJ, 20550 013, Brazil
    Braz J Biol 67:695-9. 2007
    The reproductive strategy of two congeneric species (Astyanax janeiroensis--AJ and Astyanax hastatus--AH) was assessed, in order to address the costs imposed by different investment patterns, on four major life history characters: ..
  19. doi Swimming kinematics and hydrodynamic imaging in the blind Mexican cave fish (Astyanax fasciatus)
    Shane P Windsor
    School of Biological Sciences, University of Auckland, Private Bag 92019, Auckland, New Zealand
    J Exp Biol 211:2950-9. 2008
    Blind Mexican cave fish (Astyanax fasciatus) lack a functioning visual system, and are known to use self-generated water motion to sense their surroundings; an ability termed hydrodynamic imaging...
  20. doi The flow fields involved in hydrodynamic imaging by blind Mexican cave fish (Astyanax fasciatus). Part II: gliding parallel to a wall
    Shane P Windsor
    School of Biological Sciences, University of Auckland, Auckland, New Zealand
    J Exp Biol 213:3832-42. 2010
    Blind Mexican cave fish (Astyanax fasciatus) are able to sense detailed information about objects by gliding alongside them and sensing changes in the flow field around their body using their lateral line sensory system...
  21. ncbi Five new species of genus Astyanax Baird & Girard, 1854 from Rio Iguaçu, Paraná, Brazil (Ostariophysi, Characiformes, Characidae)
    J C Garavello
    Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de Sao Carlos UFSCar, Rod Washington Luis, km 235, CEP 13565 905, Sao Carlos, SP, Brazil
    Braz J Biol 70:847-65. 2010
    Five new species of the Neotropical characiform genus Astyanax Baird & Girard are described from Rio Iguaçu at the border of Paraná and Santa Catarina states, southeastern Brazil and Astyanax gymnogenis Eigenmann is redescribed...
  22. pmc Shadow response in the blind cavefish Astyanax reveals conservation of a functional pineal eye
    Masato Yoshizawa
    Department of Biology, University of Maryland, College Park, MD 20742, USA
    J Exp Biol 211:292-9. 2008
    The blind cavefish Astyanax mexicanus undergoes bilateral eye degeneration during embryonic development. Despite the absence of light in the cave environment, cavefish have retained a structurally intact pineal eye...
  23. ncbi Evaluation of tributyltin subchronic effects in tropical freshwater fish (Astyanax bimaculatus, Linnaeus, 1758)
    C A Oliveira Ribeiro
    Departamento de Biologia Celular, Universidade Federal do Parana, C P 19031 CEP 81 531 990 Curitiba, PR Brazil
    Ecotoxicol Environ Saf 51:161-7. 2002
    Tributyltin (TBT) is widely used as a biocide in antifouling paints. Astyanax bimaculatus adult fish were acclimatized in a laboratory and isolated in groups of eight individuals...
  24. pmc Fish can encode order in their spatial map
    Theresa Burt de Perera
    Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK
    Proc Biol Sci 271:2131-4. 2004
    Animals must often orient through areas that are larger than their perceptual range. The blind Mexican cave fish, Astyanax fasciatus, depends on detecting self-induced near-field wave perturbations by objects via the use of its lateral ..
  25. ncbi Characterization of the constitutive heterochromatin of Astyanax sp. D (Characiformes: Characidae) from the Upper Iguaçu River (PR)
    Daniel Luis Zanella Kantek
    Laboratório de Biodiversidade Molecular e Citogenética, Universidade Federal de Sao Carlos, CEP 13566 430, Sao Carlos, SP, Brazil
    Folia Biol (Krakow) 57:37-41. 2009
    Chromosomal characterization of constitutive heterochromatin was performed in Astyanax sp...
  26. ncbi Hydrodynamic orientation of crayfish (Procambarus clarkii) to swimming fish prey
    T Breithaupt
    , , Germany
    J Comp Physiol A 177:481-91. 1995
    Reversibly blindfolded crayfish (Procambarus clarkii) react to small swimming fish (Astyanax fasciatus mexicanus) approaching or passing nearby with antennal and cheliped movements and body turns (Fig. 3)...
  27. ncbi Cell migration in the postembryonic development of the fish lateral line
    Dora Sapede
    Laboratoire de Neurogénétique, INSERM E0012, CC 103, Universite Montpellier II, Place E Bataillon, 34095 Montpellier, France
    Development 129:605-15. 2002
    ..how general these migratory processes can be by describing two fish species with very different adult patterns, Astyanax fasciatus (Mexican blind cavefish) and Oryzias latipes (medaka)...
  28. ncbi Distribution of fish assemblages in Lajes reservoir, Rio de Janeiro, Brazil
    F G Araujo
    Laboratorio de Ecologia de Peixes, Universidade Federal Rural do Rio de Janeiro, RJ, Brazil
    Braz J Biol 61:563-76. 2001
    ..A total of 5,089 fishes were collected comprising 15 species, 14 genera and 9 families. Loricariichthys spixii, Astyanax bimaculatus, Parauchenipterus striatulus...
  29. ncbi Astyanax fasciatus as bioindicator of water pollution of Rio dos Sinos, RS, Brazil
    U H Schulz
    Universidade do Vale do Rio dos Sinos, Unsinos, Centro de Ciencias da Saude, Laboratorio de Ecologia de Peixes, Sao Leopoldo, RS, Brazil
    Braz J Biol 61:615-22. 2001
    The effects of an increasing downriver pollution gradient on the reproductive system of Astyanax fasciatus were investigated in the Rio dos Sinos, RS...
  30. pmc A private ultraviolet channel in visual communication
    Molly E Cummings
    Section of Integrative Biology C0930, University of Texas, Austin, TX 78712, USA
    Proc Biol Sci 270:897-904. 2003
    ..swordtails (Xiphophorus) affords a channel for communication that is not accessible to their major predator, Astyanax mexicanus, the Mexican tetra. Laboratory and field behavioural experiments with swordtails (X...
  31. ncbi Morphological and neurotoxicological findings in tropical freshwater fish (Astyanax sp.) after waterborne and acute exposure to water soluble fraction (WSF) of crude oil
    F M Akaishi
    Departamento de Biologia Celular, Universidade Federal do Parana, Caixa Postal 19031, CEP 81531 970, Curitiba PR, Brazil
    Arch Environ Contam Toxicol 46:244-53. 2004
    ..investigate the toxic mechanisms of WSF in tropical organisms, an acute toxicity experiment was conducted with Astyanax sp...
  32. ncbi NADP-dependent isocitrate dehydrogenase of Astyanax scabripinnis (Pisces, Characidae) from three altitudes at Grande Stream, Campos do Jordão, SP
    F S Munin
    Universidade Federal de Sao Carlos, Departamento de Genetica e Evolucao, C P 676, CEP 3565 905, Sao Carlos, SP, Brazil
    Braz J Biol 64:273-82. 2004
    ..1.1.42) loci of Astyanax scabripinnis (Pisces, Characidae) collected at three different altitudes (700 m, 1,800 m, and 1,920 m) of Grande ..
  33. ncbi Conservation of retinal circadian rhythms during cavefish eye degeneration
    Luis Espinasa
    Department of Biology, University of Maryland, College Park, MD 20742, USA
    Evol Dev 8:16-22. 2006
    ..Here, we report studies on retinomotor rhythms during development of the blind cavefish Astyanax mexicanus, a single teleost species consisting of a sighted surface-dwelling form (surface fish) and several ..
  34. ncbi Developmental genetic mechanisms of evolutionary tooth loss in cypriniform fishes
    David W Stock
    Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO 80309 0334, USA
    Development 133:3127-37. 2006
    ..of seven genes whose mammalian orthologs are involved in tooth initiation in the zebrafish and the Mexican tetra, Astyanax mexicanus, a related species retaining oral teeth...
  35. ncbi Conservation and divergence of Bmp2a, Bmp2b, and Bmp4 expression patterns within and between dentitions of teleost fishes
    Sarah B Wise
    Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO 80309, USA
    Evol Dev 8:511-23. 2006
    ..of oral and pharyngeal dentitions in three species of teleost fishes, the zebrafish (Danio rerio), Mexican tetra (Astyanax mexicanus), and Japanese medaka (Oryzias latipes)...
  36. ncbi Expanded expression of Sonic Hedgehog in Astyanax cavefish: multiple consequences on forebrain development and evolution
    Arnaud Menuet
    CNRS UPR2197 DEPSN, Institut Fessard, Avenue de la Terrasse, 91198 Gif sur Yvette Cedex, France
    Development 134:845-55. 2007
    ..signalling affects the evolution of telencephalic and diencephalic neuronal patterning in the blind cavefish Astyanax mexicanus, a teleost fish closely related to zebrafish...
  37. pmc The lens controls cell survival in the retina: Evidence from the blind cavefish Astyanax
    Allen G Strickler
    Department of Biology, University of Maryland, College Park, MD 20742, USA
    Dev Biol 311:512-23. 2007
    ..The role of the lens in retinal growth and development was studied in the teleost Astyanax mexicanus, which has eyed surface-dwelling (surface fish) and blind cave-dwelling (cavefish) forms...
  38. pmc Evolutionary history of the fish genus Astyanax Baird & Girard (1854) (Actinopterygii, Characidae) in Mesoamerica reveals multiple morphological homoplasies
    Claudia Patricia Ornelas-García
    Departamento de Biodiversidad y Biologia Evolutiva, Museo Nacional de Ciencias Naturales, CSIC, Jose Gutierrez Abascal 2, Madrid, Spain
    BMC Evol Biol 8:340. 2008
    ..The fish genus Astyanax represents a useful model to assess biogeographical hypotheses due to it being one of the most diverse and widely ..
  39. doi Dactylogyrids (Monogenoidea) parasitizing the gills of Astyanax spp. (Characidae) from Panama and southeast Mexico, a new species of Diaphorocleidus and a proposal for Characithecium N. Gen
    Edgar F Mendoza-Franco
    Smithsonian Tropical Research Institute, Naos Island Laboratories, Ancon, Panama, Republic of Panama
    J Parasitol 95:46-55. 2009
    ..kabatai (Molnar, Hanek and Fernando, 1974) Jogunoori, Kritsky, and Venkatanarasaiah, 2004 are detailed from Astyanax orthodus and Astyanax aeneus, respectively...
  40. ncbi Composition and diversity of ichthyofauna in La Viña reservoir (Córdoba, Argentina)
    M Mancini
    Facultad de Agronomia y Veterinaria, Universidad Nacional de Rio Cuarto, Rio Cuarto, Argentina
    Braz J Biol 69:49-55. 2009
    ..A total of 3,242 specimens belonging to 7 species distributed in 5 orders and 5 families were caught. The tetra Astyanax eigenmanniorum (52.9%) and the silverside Odontesthes bonariensis (29...
  41. doi Toxicity evaluation of water samples collected near a hospital waste landfill through bioassays of genotoxicity piscine micronucleus test and comet assay in fish Astyanax and ecotoxicity Vibrio fischeri and Daphnia magna
    Margarete Casagrande Lass Erbe
    Department of Geology, Federal University of Parana, Curitiba, PR, Brazil
    Ecotoxicology 20:320-8. 2011
    ..We also evaluated damage to the genetic material of fish (Astyanax sp...
  42. doi Astyanax mexicanus, the Blind Mexican Cave Fish: A Model for Studies in Development and Morphology
    Richard Borowsky
    Department of Biology, New York University, NY 10003, USA
    CSH Protoc 2008:pdb.emo107. 2008
    ..Blind Mexican tetras, Astyanax mexicanus, are the valuable exception to this rule because fish from the various cave populations are fully ..
  43. doi Do blind cavefish have behavioral specializations for active flow-sensing?
    Delfinn Tan
    Department of Biological Sciences, JP Scott Center for Neuroscience, Mind and Behavior, Bowling Green State University, OH 43403, USA
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 197:743-54. 2011
    ..flow signal production through lateral line feedback, the swimming kinematics of blind and sighted morphs of Astyanax were compared before and after 24 h of familiarization with a novel, dark environment and with and without ..
  44. doi Restoring eye size in Astyanax mexicanus blind cavefish embryos through modulation of the Shh and Fgf8 forebrain organising centres
    Karen Pottin
    Equipe Développement Evolution du Cerveau Antérieur, UPR3294 NED, CNRS, Institut Alfred Fessard, 91198 Gif sur Yvette, France
    Development 138:2467-76. 2011
    The cavefish morph of the Mexican tetra (Astyanax mexicanus) is blind at adult stage, although an eye that includes a retina and a lens develops during embryogenesis. There are, however, two major defects in cavefish eye development...
  45. pmc Early lens ablation causes dramatic long-term effects on the shape of bones in the craniofacial skeleton of Astyanax mexicanus
    Megan Dufton
    Department of Biology, Dalhousie University, Halifax Nova Scotia, Canada
    PLoS ONE 7:e50308. 2012
    The Mexican tetra, Astyanax mexicanus, exists as two morphs of a single species, a sighted surface morph and a blind cavefish...
  46. doi Distribution of GnRH in the brain of the freshwater teleost Astyanax altiparanae
    C C Gomes
    Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of Sao Paulo, Av Prof Lineu Prestes 1524, Butanta, CEP 05508 900, Sao Paulo, SP, Brazil Electronic address
    Micron 52:33-8. 2013
    ..emphasis of this study is to detect the presence and distribution of GnRH in the brain of the freshwater teleost Astyanax altiparanae ("lambari")...
  47. doi Are fish paratenic natural hosts of the caiman haemoparasite Hepatozoon caimani?
    Glauber Rocha Pereira
    Laboratório de Transmissores de Hematozoários, Instituto Oswaldo Cruz FIOCRUZ, Av Brasil 4365, Rio de Janeiro, Brazil
    Parasitol Res 113:39-45. 2014
    ..3% of dissected C. quinquefasciatus fed on the same caiman contained oocysts. Characid fish-Metynnis sp. and Astyanax sp.-were individually fed with C. quinquefasciatus females previously engorged (21-23 days) on caiman B...
  48. pmc The sensitivity of lateral line receptors and their role in the behavior of Mexican blind cavefish (Astyanax mexicanus)
    Masato Yoshizawa
    Department of Biology, University of Maryland, College Park, MD 20742, USA
    J Exp Biol 217:886-95. 2014
    The characid fish species Astyanax mexicanus offers a classic comparative model for the evolution of sensory systems. Populations of this species evolved in caves and became blind while others remained in streams (i.e...
  49. pmc A potential benefit of albinism in Astyanax cavefish: downregulation of the oca2 gene increases tyrosine and catecholamine levels as an alternative to melanin synthesis
    Helena Bilandzija
    Department of Molecular Biology, Ruđer Bošković Institute, Zagreb, Croatia Department of Biology, University of Maryland, Maryland, United States of America
    PLoS ONE 8:e80823. 2013
    ..In Astyanax mexicanus, which has a pigmented surface dwelling form (surface fish) and several albino cave-dwelling forms (..
  50. doi A new species of Astyanax Baird & Girard (Characiformes: Characidae) from the Rio Paraguaçu basin, Chapada Diamantina, Bahia, Brazil, with comments on bony hooks on all fins
    P Camelier
    Museu de Zoologia da Universidade de São Paulo, Caixa Postal 42494, 04218 970 São Paulo, SP, Brazil
    J Fish Biol 84:475-90. 2014
    A new species of Astyanax from the Rio Paraguaçu basin, Bahia, Brazil, is described...
  51. doi Reproductive biomarkers responses induced by xenoestrogens in the characid fish Astyanax fasciatus inhabiting a South American reservoir: an integrated field and laboratory approach
    Paula S Prado
    Departamento de Morfologia, Instituto de Ciencias Biologicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, C P 486, 30161 970, Minas Gerais, Brasil
    Environ Res 131:165-73. 2014
    ..Adult fish Astyanax fasciatus were sampled during the reproductive season in five sites from the Furnas Reservoir, Grande River, and ..
  52. pmc Delimiting the origin of a B chromosome by FISH mapping, chromosome painting and DNA sequence analysis in Astyanax paranae (Teleostei, Characiformes)
    Duílio M Z de A Silva
    Departamento de Morfologia, Instituto de Biociencias, Universidade Estadual Paulista, Distrito de Rubiao Junior, Botucatu, Sao Paulo, Brazil
    PLoS ONE 9:e94896. 2014
    ..In order to investigate the origin of B chromosomes in the fish species Astyanax paranae, these two approaches were used along with PCR amplification of specific DNA sequences obtained from the ..
  53. doi Genotoxic effects of water from São Francisco River, Brazil, in Astyanax paranae
    Diego Luis Ribeiro
    Center of Biological Sciences and Health, College of Biological Sciences, State University of West of Paraná, Rua Universitária, 2069, Cascavel, Parana, CEP 85819 110, Brazil
    Bull Environ Contam Toxicol 93:274-9. 2014
    ..effects of water samples from São Francisco River (Brazil) using the micronuclei (MN) assay in resident species, Astyanax paranae...
  54. doi Three-dimensional spatial cognition in a benthic fish, Corydoras aeneus
    V A Davis
    Department of Zoology, Oxford University, South Parks Road, Oxford, OX1 3PS, United Kingdom
    Behav Processes 109:151-6. 2014
    ..For example, a pelagic fish, Astyanax fasciatus, moves freely in vertical and horizontal space and encodes information from both dimensions with ..
  55. pmc The cavefish genome reveals candidate genes for eye loss
    Suzanne E McGaugh
    The Genome Institute, Washington University, Campus Box 8501, St Louis, Missouri 63108, USA
    Nat Commun 5:5307. 2014
    ..Cavefish populations, Astyanax mexicanus (Teleostei: Characiphysi), exhibit repeated, independent evolution for a variety of traits including ..
  56. pmc Molecular cloning and expression analysis of dmrt1 and sox9 during gonad development and male reproductive cycle in the lambari fish, Astyanax altiparanae
    Mateus C Adolfi
    Department of Cell and Developmental Biology, Institute of Biomedical Science, University de Sao Paulo, Sao Paulo, SP, Brazil
    Reprod Biol Endocrinol 13:2. 2015
    ..The lambari fish (Astyanax altiparanae) is an important Neotropical species, where studies on molecular level of sex determination and gonad ..
  57. doi New insights into karyotypic relationships among populations of Astyanax bockmanni (Teleostei, Characiformes) of different watersheds
    Sandro Natal Daniel
    1 Departamento de Ciências Biológicas, Faculdade de Ciencias, Universidade Estadual Paulista UNESP, Bauru, Sao Paulo, Brazil
    Zebrafish 12:181-8. 2015
    ..constitute about 50% of all vertebrates, including a wide morphological and biological diversity, where the genus Astyanax is the most common and diverse, as described in virtually all freshwater environments...
  58. doi Assessment of the impact of chlorophyll derivatives to control parasites in aquatic ecosystems
    Gilmar Sidnei Erzinger
    Department of Medicine and Pharmacy, Master s and PhD Program in Health and Environment, Rua Paulo Malschitzki, 10, Campus Industrial Zone, PO Box 246, Joinville, SC, CEP 89219 710, Brazil
    Ecotoxicology 24:949-58. 2015
    ..species, a small crustacean (Daphnia similis), a unicellular alga (Euglena gracilis) and two species of fish (Astyanax bimaculatus and Cyprynus carpio) were tested under short-term conditions...
  59. doi Histochemical and immunohistochemical study on endocrine cells (5HT, GAS, and SST) of the gastrointestinal tract of a teleost, the characin Astyanax bimaculatus
    Nathália das Neves Cardoso
    Laboratory of Histology and Embryology, Institute of Biology, University Federal Rural of Rio de Janeiro, BR 465, Km 7, 23 870 000 Seropédica, RJ, Brazil
    Acta Histochem 117:595-604. 2015
    ..of serotonin (5-HT), somatostatin (SST) and gastrin (GAS) in the GIT of a small-bodied widespread characin Astyanax bimaculatus using histological, histochemical and immunohistochemical techniques...
  60. doi Proteomic identification of hair cell repair proteins in the model sea anemone Nematostella vectensis
    Pei Ciao Tang
    Department of Biology, University of Louisiana Lafayette, USA
    Hear Res 327:245-56. 2015
    ..repair of damaged hair bundle mechanoreceptors both in the sea anemone Haliplanella luciae and the blind cavefish Astyanax hubbsi...
  61. doi Cytogenetic and Molecular Data Suggest Deuterodon pedri Eigenmann, 1907 (Teleostei: Characidae) Is a Member of an Ancient Coastal Group
    Natália Coutinho-Sanches
    Laboratório de Sistemática Molecular Beagle, Departamento de Biologia Animal, Universidade Federal de Vicosa, Vicosa, Minas Gerais, Brazil
    Zebrafish 12:357-65. 2015
    ..Deuterodon singularis are closely related and are the sister-group of Deuterodon parahybae, Deuterodon iguape, Astyanax giton, Astyanax intermedius, Astyanax ribeirae, Astyanax scabripinnis, and Probolodus heterostomus...
  62. doi Evaluation of genotoxicity and cytotoxicity of water samples from the Sinos River Basin, southern Brazil
    E Bianchi
    Programa de Pós Graduação em Qualidade Ambiental, Universidade Feevale, Novo Hamburgo, RS, BR
    Braz J Biol 75:68-74. 2015
    ..Samples of surface water were collected and evaluated in vitro using the Astyanax jacuhiensis fish species (micronucleus test and comet assay) and the Vero lineage of cells (comet assay and ..
  63. doi Genetic and biogeographical relationships among species of Astyanax (Teleostei, Characidae) in Brazilian river basins
    R Mello
    Universidade Catolica de Brasilia, Campus I, Brasilia, DF, Brasil
    Genet Mol Res 14:15356-64. 2015
    The genetic relationships among 17 species of Astyanax from the Iguaçu River and adjacent river basins in Brazil were examined using nucleotide sequences of the mitochondrial cytochrome b gene (cytb)...
  64. doi Spatial variations in fish assemblage structure in a southeastern Brazilian reservoir
    B O Sanches
    Programa de Pós graduação em Zoologia de Vertebrados, Pontificia Universidade Catolica de Minas Gerais, Belo Horizonte, MG, Brazil
    Braz J Biol 76:185-93. 2016
    ..Nine species were significantly more abundant in the riverine region: Astyanax altiparanae, Astyanax gr. fasciatus, Galeocharax knerii, Hoplias intermedius, Hypostomus sp...
  65. pmc Chromosomal characterization in two species of an Astyanax bimaculatus complex (Characidae, Characiformes) using different techniques of chromosome banding
    Laura L L Da Silva
    Departamento de Biologia Geral, Centro de Ciências Biológicas CCB, Universidade Estadual de Londrina, P O Box 6001, Londrina, Parana, CEP 86051 970, Brazil
    Cytotechnology 68:1277-86. 2016
    b>Astyanax has been the subject of extensive cytogenetic studies due to its wide karyotypic diversity...
  66. pmc Genotoxic and mutagenic effects of polluted surface water in the midwestern region of Brazil using animal and plant bioassays
    Priscila Leocadia Rosa Dourado
    Faculdade de Ciências Exatas e Tecnológicas, Universidade Federal da Grande Dourados, Dourados, MS, Brazil
    Genet Mol Biol . 2016
    ..Through the cytotoxicity bioassay with Allium cepa, using micronucleus test, and comet assay, using Astyanax altiparanae fish, the results indicated that biological samples were genetically altered...
  67. doi Comparative morphology of the reproductive system of seven species of ostariophysan fishes from the upper Das Velhas River, Brazil
    Rafael Magno Costa Melo
    Departamento de Morfologia, Instituto de Ciencias Biologicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
    J Morphol 278:170-181. 2017
    ..All the species examined have anastomosing tubular testes with unrestricted distribution of spermatogonia. Astyanax bimaculatus, A. fasciatus, A...
  68. doi Carryover of aflatoxins from feed to lambari fish (Astyanax altiparanae) tissues
    E C Michelin
    a Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of Sao Paulo USP, Pirassununga, Brazil
    Food Addit Contam Part A Chem Anal Control Expo Risk Assess 34:265-272. 2017
    ..Therefore, when lambari fish is exposed on a daily and long-term basis to AFs in feed, the regulation limits for AFs in animal feed do not guarantee safety for consumers...
  69. doi A new species of <i>Auriculostoma</i> (Trematoda: Allocreadiidae) from the intestine of <i>Brycon</i> <i>guatemalensis</i> (Characiformes: Bryconidae) from the Usumacinta River Basin, Mexico, based on morphology and 28S
    David Iván Hernández-Mena
    Instituto de Biologia, Universidad Nacional Autonoma de Mexico UNAM, Ap Postal 70 153, C P 04510, Mexico D F, México Posgrado en Ciencias Biológicas, Universidad Nacional Autonoma de Mexico, Mexico, D F, Mexico
    Zootaxa 4196:zootaxa.4196.2.5. 2016
    ..astyanace, a species described from the banded astyanax, Astyanax fasciatus (Cuvier) in Nicaragua...
  70. pmc Cavefish and the basis for eye loss
    Jaya Krishnan
    Stowers Institute for Medical Research, 1000 East 50th Street, Kansas City, MO 64110, USA
    Philos Trans R Soc Lond B Biol Sci 372:. 2017
    ..The blind Mexican cavefish (Astyanax mexicanus) has emerged as a useful model to study cave evolution owing to the availability of genetic and genomic ..
  71. ncbi Probing teleost eye development by lens transplantation
    Yoshiyuki Yamamoto
    Department of Biology, University of Maryland, College Park 20742, USA
    Methods 28:420-6. 2002
    ..of zebrafish lens mutants and (2) investigation of the role of the lens in eye degeneration in the cavefish Astyanax. The transplantation method will help characterize the mechanisms through which vertebrate eye development is ..
  72. ncbi Hedgehog signalling controls eye degeneration in blind cavefish
    Yoshiyuki Yamamoto
    Department of Biology, University of Maryland, College Park, Maryland 20742, USA
    Nature 431:844-7. 2004
    ..We use the teleost Astyanax mexicanus, a single species with an eyed surface-dwelling form (surface fish) and many blind cave forms (cavefish)..
  73. ncbi The lens has a specific influence on optic nerve and tectum development in the blind cavefish Astyanax
    Daphne Soares
    Department of Biology, University of Maryland, College Park, MD 20742, USA
    Dev Neurosci 26:308-17. 2004
    ..The results suggest that the lens has a specific influence on optic nerve and tectum development during eye growth in Astyanax.
  74. pmc Loss of schooling behavior in cavefish through sight-dependent and sight-independent mechanisms
    Johanna E Kowalko
    Department of Genetics, Harvard Medical School, Boston, MA 02115, USA
    Curr Biol 23:1874-83. 2013
    Surface populations of Astyanax mexicanus, living in rivers like their common ancestors, school, while several, independently derived cave populations of the same species have lost schooling behavior.
  75. doi Chromosomal mapping of repetitive DNA and cytochrome C oxidase I sequence analysis reveal differentiation among sympatric samples of Astyanax fasciatus (Characiformes, Characidae)
    J C Pansonato-Alves
    Departamento de Morfologia, Instituto de Biociencias de Botucatu, Universidade Estadual Paulista, Botucatu, Brazil
    Cytogenet Genome Res 141:133-42. 2013
    The genus Astyanax is a specious Neotropical fish group, occurring from the south area of the United States to Argentina...
  76. doi Cytogenetic toxicity and gonadal effects of 17 α-methyltestosterone in Astyanax bimaculatus (Characidae) and Oreochromis niloticus (Cichlidae)
    C L G Rivero-Wendt
    Departamento de Genetica e Morfologia, Instituto de Ciencias Biologicas, Universidade de Brasilia, Brasilia, DF, Brasil
    Genet Mol Res 12:3862-70. 2013
    ..We evaluated genotoxic and gonadal effects of MT in adult tilapia (Oreochromis niloticus) and Astyanax bimaculatus (a common native non-target fish in Brazil)...
  77. pmc Convergence in feeding posture occurs through different genetic loci in independently evolved cave populations of Astyanax mexicanus
    Johanna E Kowalko
    Department of Genetics, Harvard Medical School, Boston, MA 02115
    Proc Natl Acad Sci U S A 110:16933-8. 2013
    ..Here, we use the Mexican cavefish, Astyanax mexicanus, to study the genetic basis for convergent evolution of feeding posture...
  78. pmc Cryptic variation in morphological evolution: HSP90 as a capacitor for loss of eyes in cavefish
    Nicolas Rohner
    Department of Genetics, Harvard Medical School, Boston, MA 02115, USA
    Science 342:1372-5. 2013
    ..shock protein 90 (HSP90) phenotypically masks standing eye-size variation in surface populations of the cavefish Astyanax mexicanus...
  79. doi Molecular taxonomy and evolutionary hypothesis concerning Astyanax fasciatus (Characiformes, Characidae) from Vila Velha State Park and Tibagi and Iguaçu Rivers
    D A Matoso
    Departamento de Biologia, Universidade Federal do Amazonas, Manaus, AM, Brasil
    Genet Mol Res 12:631-8. 2013
    A species complex hypothesis involving Astyanax fasciatus from southern Brazil was tested using 12S mtDNA sequences...
  80. pmc Albinism in phylogenetically and geographically distinct populations of Astyanax cavefish arises through the same loss-of-function Oca2 allele
    J B Gross
    Department of Biological Sciences, University of Cincinnati, Cincinnati, OH 45221, USA
    Heredity (Edinb) 111:122-30. 2013
    The Mexican tetra, Astyanax mexicanus, comprises 29 populations of cave-adapted fish distributed across a vast karst region in northeastern Mexico...
  81. pmc Evolution and development in cave animals: from fish to crustaceans
    Meredith Protas
    Department of Integrative Biology, University of California, Berkeley, Berkeley, CA, USA
    Wiley Interdiscip Rev Dev Biol 1:823-45. 2012
    ..systems used to study the evolution and development (evo-devo) of cave animals are described: the teleost fish Astyanax mexicanus and the isopod crustacean Asellus aquaticus...
  82. pmc Feed or fight: A behavioral shift in blind cavefish
    Sylvie Retaux
    Equipe Développement Evolution du Cerveau Antérieur UPR3294 NeD CNRS Institut Alfred Fessard Gif sur Yvette, France
    Commun Integr Biol 6:e23166. 2013
    Within the species Astyanax mexicanus, there are several inter-fertile populations of river-dwelling sighted fish and cave-dwelling blind fish which have evolved morphological and behavioral adaptations...
  83. ncbi Health variables and gill morphology in the tropical fish Astyanax fasciatus from a sewage-contaminated river
    André Alberto
    Department of Physiological Sciences, Federal University of Sao Carlos UFSCar, C Postal 676, 13565 905 Sao Carlos, SP, Brazil
    Ecotoxicol Environ Saf 61:247-55. 2005
    ..factor (Kn), gonadosomatic index (GSI), selected hematological variables and gill morphology of the fish Astyanax fasciatus were analyzed in two sites (site 1 was unpolluted and site 2 was polluted with untreated domestic ..
  84. doi Histological alterations in gills of Astyanax aff. bimaculatus caused by acute exposition to zinc
    Daiane Cristina Marques dos Santos
    Federal University of Vicosa, Animal Biology Department Av Peter Henry Rolfs s n, Campus Universitario, 36570 000 Vicosa, MG, Brazil
    Exp Toxicol Pathol 64:861-6. 2012
    ..to study the effects of different concentrations of zinc (Zn) in the histology of gills of yellow tail lambari (Astyanax aff. bimaculatus) after acute exposure. Seventy-two adult males of A. aff...
  85. doi Mitochondrial D-loop nucleotide diversity in Astyanax (Osteichthyes, Characidae) from the upper Paraná and upper Paraguay River basins
    A J Prioli
    Departamento de Biologia Celular e Genetica, Universidade Estadual de Maringa, Maringa, PR, Brasil
    Genet Mol Res 11:1064-74. 2012
    The morphological discrimination between the species Astyanax altiparanae and A. asuncionensis of the upper Paraná River and Paraguay River basins, respectively, has always been difficult. Two D-loop haplogroups of A...
  86. doi Handling of Astyanax sp. for biomonitoring in Cangüiri Farm within a fountainhead (Iraí River Environment Preservation Area) through the use of genetic biomarkers
    Wanessa Algarte Ramsdorf
    Departamento de Genetica, Laboratório de Mutagênese Ambiental, Universidade Federal do Parana UFPR, Curitiba, Parana, Brazil
    Environ Monit Assess 184:5841-9. 2012
    ..biomarkers (piscine micronucleus test; comet assay with blood, liver, and kidney cells) were used in specimens of Astyanax sp. to analyze the contamination level of the Cangüiri Farm through biomonitoring...
  87. doi Three-dimensional spatial representation in freely swimming fish
    Theresa Burt de Perera
    Department of Zoology, University of Oxford, South Parks Road, Oxford, OX1 3PS, UK
    Cogn Process 13:S107-11. 2012
    ..learning of the vertical and horizontal components of space within a rotating Y-maze, we found that fish (Astyanax fasciatus) learned and remembered information from both horizontal and vertical axes when they were presented ..
  88. doi β-adrenergic signaling regulates evolutionarily derived sleep loss in the Mexican cavefish
    Erik R Duboué
    Department of Biology, New York University, New York, NY, USA
    Brain Behav Evol 80:233-43. 2012
    ..The Mexican blind cavefish, Astyanax mexicanus, is a model organism for the study of adaptive morphological and behavioral traits...
  89. pmc Parental genetic effects in a cavefish adaptive behavior explain disparity between nuclear and mitochondrial DNA
    Masato Yoshizawa
    Department of Biology, University of Maryland, College Park, Maryland 20742, USA
    Evolution 66:2975-82. 2012
    ..blind cave-dwelling cavefish populations with a sighted surface-dwelling population (surface fish) of the teleost Astyanax mexicanus, we report here that convergences in vibration attraction behavior (VAB), the lateral line sensory ..
  90. ncbi Structure of the littoral fish assemblage in an impounded tributary: the effects of macrophytes presence (subtropical region, Brazil)
    S Hermes-Silva
    Universidade Federal de Sao Carlos, Sao Carlos, SP, Brazil
    Braz J Biol 72:489-95. 2012
    ..The abundance of Astyanax cf...
  91. doi Evolutionary shift from fighting to foraging in blind cavefish through changes in the serotonin network
    Yannick Elipot
    Equipe Développement Evolution du Cerveau Antérieur, UPR3294 Neurobiologie et Développement, CNRS, Institut Alfred Fessard, 91198 Gif sur Yvette, France
    Curr Biol 23:1-10. 2013
    Within the species Astyanax mexicanus, there are several interfertile populations of river-dwelling sighted fish and cave-dwelling blind fish which have evolved morphological and behavioral adaptations, the origins of which are unknown...
  92. pmc Cytogenetic divergence in two sympatric fish species of the genus Astyanax Baird and Girard, 1854 (Characiformes, Characidae) from northeastern Brazil
    Aline Souza Medrado
    Departamento de Ciencias Biologicas, Universidade Estadual de Santa Cruz, Ilheus, BA, Brazil
    Genet Mol Biol 35:797-801. 2012
    The fish genus Astyanax is widespread throughout the Neotropical region and is one of the most species-rich genera of the Characiformes...
  93. ncbi Plasticity in the diet of Astyanax taeniatus in a coastal stream from south-east Brazil
    L R Manna
    Departamento de Ecologia, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro UERJ, Rua Sao Francisco Xavier, 524, Maracana, CEP 20550 013, Rio de Janeiro, RJ, Brazil
    Braz J Biol 72:919-28. 2012
    In this work we aimed to characterise the diet of Astyanax taeniatus (Jenyns 1842) (Characiformes, Characidae) along the Mato Grosso stream and we hypothesised that the diet of this species would vary according to spatial, seasonal and ..
  94. doi Effects of fasting and feeding on the brain mRNA expressions of orexin, tyrosine hydroxylase (TH), PYY and CCK in the Mexican blind cavefish (Astyanax fasciatus mexicanus)
    Alicia Wall
    Department of Biology, Memorial University of Newfoundland, St John s, NL, Canada
    Gen Comp Endocrinol 183:44-52. 2013
    ..OX), tyrosine hydroxylase (TH), peptide Y (PY) and cholecystokinin (CCK) were examined in the blind cavefish Astyanax fasciatus mexicanus...
  95. pmc De novo sequencing of Astyanax mexicanus surface fish and Pachón cavefish transcriptomes reveals enrichment of mutations in cavefish putative eye genes
    Hélène Hinaux
    DECA Group, N and D Laboratory, CNRS, Gif sur Yvette, France
    PLoS ONE 8:e53553. 2013
    b>Astyanax mexicanus, a teleost species with surface dwelling (surface fish) and cave adapted (cavefish) morphs, is an important model system in evolutionary developmental biology (evodevo)...
  96. ncbi Chromosome studies of Astyanax jacuhiensis Cope, 1894 (Characidae) from the Tramandai River Basin, Brazil, using in situ hybridization with the 18S rDNA probe, DAPI and CMA3 staining
    Laura Lahr Lourenço da Silva
    Universidade Estadual de Londrina, CCB Departamento de Biologia Geral, 86051 970 Londrina, PR, Brasil
    Folia Biol (Krakow) 60:135-40. 2012
    The genus Astyanax comprises 86 species of fish distributed in Brazilian river basins and is considered of the Incertae sedis group within the family Characidae...
  97. doi Hematologic and hepatic responses of the freshwater fish Hoplias malabaricus after saxitoxin exposure
    Helena C Silva de Assis
    Departamento de Farmacologia, Universidade Federal do Parana, Caixa Postal 19031, CEP 81531 990 Curitiba PR, Brazil
    Toxicon 66:25-30. 2013
    ..The fish were fed once every five days with Astyanax sp...
  98. pmc Gene flow and population structure in the Mexican blind cavefish complex (Astyanax mexicanus)
    Martina Bradić
    Instituto de Tecnologia Quimica e Biologica, Universidade Nova de Lisboa, Av da Republica, Oeiras, 2780 157, Portugal
    BMC Evol Biol 12:9. 2012
    ..We studied 11 cave and 10 surface populations of Astyanax mexicanus in order to better understand the evolutionary origins of the cave forms, the basic genetic structuring ..
  99. doi Effect of timing of hormonal induction on reproductive activity in lambari (Astyanax bimaculatus)
    V O Felizardo
    Department of Veterinary Medicine Federal University of Lavras, Lavras, Brazil
    Theriogenology 77:1570-4. 2012
    ..induction, using gonadorelin or common carp pituitary extract (CPE), on the reproductive activity of female Astyanax bimaculatus...
  100. ncbi Cavefish as a model system in evolutionary developmental biology
    W R Jeffery
    Department of Biology, University of Maryland, College Park, Maryland 20742, USA
    Dev Biol 231:1-12. 2001
    The Mexican tetra Astyanax mexicanus has many of the favorable attributes that have made the zebrafish a model system in developmental biology...
  101. pmc The molecular genetics and evolution of red and green color vision in vertebrates
    S Yokoyama
    Department of Biology, Syracuse University, New York 13244, USA
    Genetics 158:1697-710. 2001
    ..the amino acid sequences of the ancestral pigments of 11 selected visual pigments: the LWS pigments of cave fish (Astyanax fasciatus), frog (Xenopus laevis), chicken (Gallus gallus), chameleon (Anolis carolinensis), goat (Capra hircus), ..

Research Grants8

  1. Regulation of Eye Growth and Development by the Lens
    William R Jeffery; Fiscal Year: 2012
    ..This problem will be studied in Astyanax mexicanus, a teleost fish consisting of an eyed surface dwelling form (surface fish) and a blind cave-dwelling ..
  2. Regressive evolution of pigmentation in the Mexican cavefish, Astyanax mexicanus
    Jessica A Lehoczky; Fiscal Year: 2010
    Approximately 10,000 years ago, a river-dwelling tetra, Astyanax mexicanus invaded multiple caves in the Sierra de El Abra region of Central Mexico...
  3. Identification of Loci Governing Craniofacial Abnormalities Using a Natural Model
    JOSHUA BENJAMIN GROSS; Fiscal Year: 2013
    ..To approach this problem, we seek to develop a natural model system, Astyanax mexicanus, for powerful genomic analyses...
  4. EVOLUTION OF NEUROSENSORY MECHANISMS
    STEPHEN FISH; Fiscal Year: 1991
    ..is designed to investigate mechanisms of evolution of sensory systems in the brain, using a blind cave fish Astyanax jordani and its closely related sighted ancester the riverfish Astyanax mexicanus, as well the goldfish, for ..
  5. The Genetics of Eye Disease
    Richard Borowsky; Fiscal Year: 2007
    ..These will be studied in the cave fish model system (Astyanax mexicanus) in which genes causing eye and visual disorders can be mapped and identified...
  6. MATERNAL MRNA LOCALIZATIONS IN A DETERMINATE EGG
    WILLIAM JEFFERY; Fiscal Year: 2002
    ..This investigation will provide new information on the regulation of cell division and cell fate determination during embryogenesis. ..
  7. Transgenic Zebrafish as Models for Tooth Morphogenesis
    William Jackman; Fiscal Year: 2005
    ..These studies will reveal cell behavior during normal and experimentally perturbed tooth morphogenesis at a level of detail never before described. ..
  8. Genetic analysis of morphological traits in cavefish, Astyanax mexicanus.
    Joshua Gross; Fiscal Year: 2008
    ..Many emerging model systems, including the cavefish Astyanax mexicanus, are especially favorable organisms for the study of numerous poorly-understood developmental processes...