Astyanax

Summary

Alias:

Top Publications

  1. Gomes A, Tolussi C, Boëchat I, Pompêo M, Cortez M, Honji R, et al. Fatty Acid Composition of Tropical Fish Depends on Reservoir Trophic Status and Fish Feeding Habit. Lipids. 2016;51:1193-1206 pubmed publisher
    ..and adipose tissue, triacylglycerols (TAG), and phospholipids (PL) from liver and muscle of the omnivorous Astyanax fasciatus and the carnivorous Hoplias malabaricus were analyzed by gas chromatography...
  2. Guiloski I, Ribas J, Pereira L, Neves A, Silva de Assis H. Effects of trophic exposure to dexamethasone and diclofenac in freshwater fish. Ecotoxicol Environ Saf. 2015;114:204-11 pubmed publisher
    ..Fish were fed twice every week with Astyanax sp. submitted to intraperitoneal inoculation with diclofenac (0; 0.2; 2.0 or 20...
  3. Chen P, Tang Q, Wang C. Characterizing and evaluating the expression of the type IIb sodium-dependent phosphate cotransporter (slc34a2) gene and its potential influence on phosphorus utilization efficiency in yellow catfish (Pelteobagrus fulvidraco). Fish Physiol Biochem. 2016;42:51-64 pubmed publisher
    ..The deduced amino acid sequence showed 79.0 and 70.9% sequence identity to Astyanax mexicanus and Pundamilia nyererei, respectively...
  4. Liu D, Lu Y, Yan H, Zakon H. South American Weakly Electric Fish (Gymnotiformes) Are Long-Wavelength-Sensitive Cone Monochromats. Brain Behav Evol. 2016;88:204-212 pubmed publisher
    ..lacking a conserved glycosylation consensus site in the RH2 opsin of gymnotiforms, a catfish and a characin (Astyanax mexicanus)...
  5. Freire C, Souza Bastos L, Chiesse J, Tincani F, Piancini L, Randi M, et al. A multibiomarker evaluation of urban, industrial, and agricultural exposure of small characins in a large freshwater basin in southern Brazil. Environ Sci Pollut Res Int. 2015;22:13263-77 pubmed publisher
    ..A multibiomarker approach was employed here to evaluate the health of a small characin (Astyanax spp.) at two sites along the river, sampled during a dry (autumn) and a rainy (spring) season...
  6. Bettim F, Galvan G, Cestari M, Yamamoto C, de Assis H. Biochemical responses in freshwater fish after exposure to water-soluble fraction of gasoline. Chemosphere. 2016;144:1467-74 pubmed publisher
    ..The study aimed to evaluate the effects of WSFG diluted 1.5% on freshwater fish. Astyanax altiparanae were exposed to the WSFG for 96 h, under a semi-static system, with renewal of 25% of the gasoline ..
  7. Vieira C, Costa P, Cabrera L, Primel E, Fillmann G, Bianchini A, et al. A comparative approach using biomarkers in feral and caged Neotropical fish: Implications for biomonitoring freshwater ecosystems in agricultural areas. Sci Total Environ. 2017;586:598-609 pubmed publisher
    ..Specimens of the Neotropical fish, Astyanax altiparanae, were confined for 168h in three lakes along the stream...
  8. Gonçalves C, Marins A, do Amaral A, Leitemperger J, Severo E, Moraes B, et al. Biochemical Responses in Freshwater Fish Exposed to Insecticide Propoxur. Bull Environ Contam Toxicol. 2018;100:524-528 pubmed publisher
    ..In the present study, we evaluated biomarkers of oxidative stress in Astyanax jacuhiensis exposed to (5, 15 and 30 µg L-1) of carbamate Propoxur (PPX) for 96 h...
  9. Butler J, Field K, Maruska K. Cobalt Chloride Treatment Used to Ablate the Lateral Line System Also Impairs the Olfactory System in Three Freshwater Fishes. PLoS ONE. 2016;11:e0159521 pubmed publisher
    ..the African cichlid fish Astatotilapia burtoni, goldfish Carassius auratus, and the Mexican blind cavefish Astyanax mexicanus...

More Information

Publications128 found, 100 shown here

  1. Li Y, Lv Y, Bian C, You X, Deng L, Shi Q. A Comparative Genomic Survey Provides Novel Insights into Molecular Evolution of l-Aromatic Amino Acid Decarboxylase in Vertebrates. Molecules. 2018;23: pubmed publisher
    ..that platypus (Ornithorhynchus anatinus), Atlantic cod (Guadus morhua), Mexican tetra (Astyanax mexicanus), and a Sinocyclocheilus cavefish (S...
  2. Ghisi N, Oliveira E, Guiloski I, de Lima S, Silva de Assis H, Longhi S, et al. Multivariate and integrative approach to analyze multiple biomarkers in ecotoxicology: A field study in Neotropical region. Sci Total Environ. 2017;609:1208-1218 pubmed publisher
    ..In this study, the Neotropical fish Astyanax aff...
  3. Cimbaluk G, Ramsdorf W, Perussolo M, Santos H, da Silva de Assis H, Schnitzler M, et al. Evaluation of multiwalled carbon nanotubes toxicity in two fish species. Ecotoxicol Environ Saf. 2018;150:215-223 pubmed publisher
    ..sample of multiwalled carbon nanotubes in two fish species, an exotic model (Danio rerio) and a native one (Astyanax altiparanae)...
  4. de Siqueira Silva D, da Silva Rodrigues M, Nobrega R. Testis structure, spermatogonial niche and Sertoli cell efficiency in Neotropical fish. Gen Comp Endocrinol. 2018;: pubmed publisher
    ..g. Astyanax altiparanae, Conorhynchos conirostris, Pimelodus maculatus, Lophiosilurus alexandri, Rhinelepis aspera, among ..
  5. Ferreira do Nascimento N, de Siqueira Silva D, Pereira Santos M, Fujimoto T, Senhorini J, Nakaghi L, et al. Stereological analysis of gonads from diploid and triploid fish yellowtail tetra Astyanax altiparanae (Garutti & Britski) in laboratory conditions. Zygote. 2017;25:537-544 pubmed publisher
    ..However, some triploid males presented spermatogenesis similar to diploids. Therefore, we concluded that triploidization is an interesting alternative to produce sterile individuals in A. altiparanae. ..
  6. Yasui G, Senhorini J, Shimoda E, Pereira Santos M, Nakaghi L, Fujimoto T, et al. Improvement of gamete quality and its short-term storage: an approach for biotechnology in laboratory fish. Animal. 2015;9:464-70 pubmed publisher
    ..In this study, we aimed to optimize gamete quality and their short-term storage from the yellowtail tetra Astyanax altiparanae, for future application in laboratory studies...
  7. Bilandzija H, Cetkovic H, Jeffery W. Evolution of albinism in cave planthoppers by a convergent defect in the first step of melanin biosynthesis. Evol Dev. 2012;14:196-203 pubmed publisher
    ..In the cavefish Astyanax mexicanus, a genetic defect has also been described at the first step of melanin synthesis suggesting convergent ..
  8. Piva L, de Siqueira Silva D, Goes C, Fujimoto T, Saito T, Dragone L, et al. Triploid or hybrid tetra: Which is the ideal sterile host for surrogate technology?. Theriogenology. 2018;108:239-244 pubmed publisher
    ..To obtain hybrid offspring, oocytes from a single Astyanax altiparanae female were inseminated by sperm from five males (A. altiparanae, A. fasciatus, A...
  9. Cassel M, de Paiva Camargo M, Oliveira de Jesus L, Borella M. Involution processes of follicular atresia and post-ovulatory complex in a characid fish ovary: a study of apoptosis and autophagy pathways. J Mol Histol. 2017;48:243-257 pubmed publisher
    ..to morphologically characterize the involution processes of follicular atresia and post-ovulatory complexes using Astyanax altiparanae as an experimental model, and to determine the location of proteins involved in apoptosis and ..
  10. Tang P, Watson G. Proteomic identification of hair cell repair proteins in the model sea anemone Nematostella vectensis. Hear Res. 2015;327:245-56 pubmed publisher
    ..repair of damaged hair bundle mechanoreceptors both in the sea anemone Haliplanella luciae and the blind cavefish Astyanax hubbsi...
  11. Viana L, Súarez Y, Cardoso C, Crispim B, Cavalcante D, Grisolia A, et al. The Response of Neotropical Fish Species (Brazil) on the Water Pollution: Metal Bioaccumulation and Genotoxicity. Arch Environ Contam Toxicol. 2018;75:476-485 pubmed publisher
    ..was to assess the potential genotoxic and mutagenic effects of the polluted water in three native fish species (Astyanax lacustris, Hypostomus ancistroides, and Rhamdia quelen) from Tarumã Microbasin, Upper Paraná River, Brazil...
  12. Hammer C, Atukorala A, Franz Odendaal T. What shapes the oral jaws? Accommodation of complex dentition correlates with premaxillary but not mandibular shape. Mech Dev. 2016;141:100-8 pubmed publisher
    ..we compare the shape of the occluding upper (premaxilla) and lower (mandible) jaws of the toothed Mexican tetra (Astyanax mexicanus) and the toothless (oral teeth present, pharyngeal teeth absent) zebrafish (Danio rerio) over ..
  13. Yoshizawa M, Robinson B, Duboué E, Masek P, Jaggard J, O Quin K, et al. Distinct genetic architecture underlies the emergence of sleep loss and prey-seeking behavior in the Mexican cavefish. BMC Biol. 2015;13:15 pubmed publisher
    ..The blind Mexican cavefish, Astyanax mexicanus is a powerful model for elucidating the genetic mechanisms underlying behavioral evolution. A...
  14. Erzinger G, Souza S, Pinto L, Hoppe R, Del Ciampo L, Souza O, et al. Assessment of the impact of chlorophyll derivatives to control parasites in aquatic ecosystems. Ecotoxicology. 2015;24:949-58 pubmed publisher
    ..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...
  15. Lv Y, Kawasaki K, Li J, Li Y, Bian C, Huang Y, et al. A Genomic Survey of SCPP Family Genes in Fishes Provides Novel Insights into the Evolution of Fish Scales. Int J Mol Sci. 2017;18: pubmed publisher
    ..i>SCPP1 and SCPP5, for determining scale phenotypes, we found that the hypothesis is suitable for Astyanax mexicanus, but denied by S. anshuiensis, even though they are both sparsely scaled for cave adaptation...
  16. Yoshizawa M, Settle A, Hermosura M, Tuttle L, Cetraro N, Passow C, et al. The evolution of a series of behavioral traits is associated with autism-risk genes in cavefish. BMC Evol Biol. 2018;18:89 pubmed publisher
    ..Such a behavioral shift is seen in the cave-dwelling Mexican tetra, Astyanax mexicanus...
  17. Wang Y, Yang L, Zhou K, Zhang Y, Song Z, He S. Evidence for Adaptation to the Tibetan Plateau Inferred from Tibetan Loach Transcriptomes. Genome Biol Evol. 2015;7:2970-82 pubmed publisher
    ..An analysis of 2,269 orthologous genes among cave fish (Astyanax mexicanus), zebrafish (Danio rerio), large-scale loach (Paramisgurnus dabryanus), and Triplophysa fishes revealed ..
  18. Rodrigues M, Siqueira Silva D, Quirino P, Ninhaus Silveira A, Veríssimo Silveira R. The efficiency of spermatogenesis and the support capacity of Sertoli cells in Characiformes. Theriogenology. 2017;103:149-152 pubmed publisher
    This stereological analysis of the types of germ cells and the number of Sertoli cells per cyst in Astyanax altiparanae testes during spermatogenesis is the first such report in Characiformes. Testes of 25 male A...
  19. Aspiras A, Rohner N, Martineau B, Borowsky R, Tabin C. Melanocortin 4 receptor mutations contribute to the adaptation of cavefish to nutrient-poor conditions. Proc Natl Acad Sci U S A. 2015;112:9668-73 pubmed publisher
    ..Here, we study the metabolic changes that evolved in independently derived populations of the Mexican cavefish, Astyanax mexicanus. A hallmark of cave environments is scarcity of food...
  20. Gore A, Tomins K, Iben J, Ma L, Castranova D, Davis A, et al. An epigenetic mechanism for cavefish eye degeneration. Nat Ecol Evol. 2018;2:1155-1160 pubmed publisher
    ..development genes associated with the loss-of-eyes phenotype in the Pachón blind cave morph of the Mexican tetra Astyanax mexicanus, no inactivating mutations have been found in any of these genes...
  21. Borowsky R, Luk A, He X, Kim R. Unique sperm haplotypes are associated with phenotypically different sperm subpopulations in Astyanax fish. BMC Biol. 2018;16:72 pubmed publisher
  22. Dirscherl H, Yoder J. A nonclassical MHC class I U lineage locus in zebrafish with a null haplotypic variant. Immunogenetics. 2015;67:501-13 pubmed publisher
    ..restricted to the superorder Ostariophysi as similar sequences only could be identified from the blind cavefish (Astyanax mexicanus), fathead minnow (Pimephales promelas), goldfish (Carassius auratus), and grass carp (Ctenopharyngodon ..
  23. Yamamoto F, Pereira M, Lottermann E, Santos G, Stremel T, Doria H, et al. Bioavailability of pollutants sets risk of exposure to biota and human population in reservoirs from Iguaçu River (Southern Brazil). Environ Sci Pollut Res Int. 2016;23:18111-28 pubmed publisher
    ..In the current study, three different Brazilian fish species (Astyanax bifasciatus, Chrenicicla iguassuensis, and Geophagus brasiliensis) were captured in the five cascading reservoirs ..
  24. Cartwright R, Schwartz R, Merry A, Howell M. The importance of selection in the evolution of blindness in cavefish. BMC Evol Biol. 2017;17:45 pubmed publisher
    ..005 (and maybe as high as 0.5) for blindness to evolve in the model cave-organism, Astyanax mexicanus...
  25. Bilandzija H, Abraham L, Ma L, Renner K, Jeffery W. Behavioural changes controlled by catecholaminergic systems explain recurrent loss of pigmentation in cavefish. Proc Biol Sci. 2018;285: pubmed publisher
    Multiple cave populations of the teleost Astyanax mexicanus have repeatedly reduced or lost eye and body pigmentation during adaptation to dark caves...
  26. Steffens C, Klauck C, Benvenuti T, Silva L, Rodrigues M. Water quality assessment of the Sinos River - RS, Brazil. Braz J Biol. 2015;75:S62-7 pubmed publisher
    ..Genotoxicity was tested by exposing individuals of the species Astyanax jacuhiensis to water samples and then comparing them with a control group exposed to water from the public water ..
  27. Garnero P, Monferran M, González G, Griboff J, de Los Ángeles B. Assessment of exposure to metals, As and Se in water and sediment of a freshwater reservoir and their bioaccumulation in fish species of different feeding and habitat preferences. Ecotoxicol Environ Saf. 2018;163:492-501 pubmed publisher
    ..metals in six fish species (Hoplias malabaricus, Oligosarcus jenynsii, Rhamdia quelen, Bryconamericus iheringii, Astyanax fasciatus and Odontesthes bonariensis) from the reservoir were investigated to discover the possible differential ..
  28. Davis V, Holbrook R, Schumacher S, Guilford T, de Perera T. Three-dimensional spatial cognition in a benthic fish, Corydoras aeneus. Behav Processes. 2014;109 Pt B:151-6 pubmed publisher
    ..For example, a pelagic fish, Astyanax fasciatus, moves freely in vertical and horizontal space and encodes information from both dimensions with ..
  29. Xiao G, Li J, Li X, Wang X, Sun X. Complete mitochondrial genome of the penguin tetra, Thayeria boehlkei. Mitochondrial DNA A DNA Mapp Seq Anal. 2016;27:3165-6 pubmed publisher
    ..Comparing the mitochondrial genome of T. boehlkei with its congener Astyanax mexicanus revealed high-sequence similarity. The mitochondrial genome of T...
  30. Silveira R, Weiss B. Evidence for herbaceous seed dispersal by small-bodied fishes in a Pantanal seasonal wetland. Braz J Biol. 2014;74:588-96 pubmed
    ..The fish species that produced samples with seedlings were Astyanax assuncionensis, Metynnis mola, Plesiolebias glaucopterus, Acestrorhyncus pantaneiro and Anadoras wendelli...
  31. Gross J, Stahl B, Powers A, Carlson B. Natural bone fragmentation in the blind cave-dwelling fish, Astyanax mexicanus: candidate gene identification through integrative comparative genomics. Evol Dev. 2016;18:7-18 pubmed publisher
    ..We integrated positional genomic information using emerging Astyanax resources, and linked these intervals to homologous (syntenic) regions of the Danio rerio genome...
  32. Mello R, Maniglia T, Prioli S, Prioli A. Genetic and biogeographical relationships among species of Astyanax (Teleostei, Characidae) in Brazilian river basins. Genet Mol Res. 2015;14:15356-64 pubmed publisher
    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)...
  33. Fumey J, Hinaux H, Noirot C, Thermes C, Retaux S, Casane D. Evidence for late Pleistocene origin of Astyanax mexicanus cavefish. BMC Evol Biol. 2018;18:43 pubmed publisher
    Cavefish populations belonging to the Mexican tetra species Astyanax mexicanus are outstanding models to study the tempo and mode of adaptation to a radical environmental change...
  34. Espinasa L, Robinson J, Espinasa M. Mc1r gene in Astroblepus pholeter and Astyanax mexicanus: Convergent regressive evolution of pigmentation across cavefish species. Dev Biol. 2018;441:305-310 pubmed publisher
    ..the genetic basis for a depigmented phenotype in multiple independent populations of the Blind Mexican Tetra, Astyanax mexicanus; the reduction in melanin content (brown; Mc1r)...
  35. Deprá I, Gomes V, Deprá G, Oliveira I, Prioli S, Prioli A. Molecular study of Astyanax altiparanae (Osteichthyes, Characidae) as a probable species complex. Genet Mol Res. 2014;13:6015-26 pubmed publisher
    b>Astyanax altiparanae, belonging to the bimaculatus group, which includes species with similar colors and morphology, occurs in the upper Paraná River basin...
  36. Bueno Krawczyk A, Guiloski I, Piancini L, Azevedo J, Ramsdorf W, Ide A, et al. Multibiomarker in fish to evaluate a river used to water public supply. Chemosphere. 2015;135:257-64 pubmed publisher
    ..The fish species Astyanax bifasciatus was used as bioindicator during winter and spring 2012, and summer 2013 at the Middle Iguaçu River ..
  37. Piscor D, Parise Maltempi P. Chromosomal mapping of H3 histone and 5S rRNA genes in eight species of Astyanax (Pisces, Characiformes) with different diploid numbers: syntenic conservation of repetitive genes. Genome. 2016;59:167-72 pubmed publisher
    The genus Astyanax is widely distributed from the southern United States to northern Patagonia, Argentina. While cytogenetic studies have been performed for this genus, little is known about the histone gene families...
  38. Riddle M, Boesmans W, Caballero O, Kazwiny Y, Tabin C. Morphogenesis and motility of the Astyanax mexicanus gastrointestinal tract. Dev Biol. 2018;441:285-296 pubmed publisher
    ..Here we show that the GI tract of the Mexican tetra, Astyanax mexicanus, has distinct regions, exhibiting differences in morphology, motility, and absorption. We found that A...
  39. Frøland Steindal I, Beale A, Yamamoto Y, Whitmore D. Development of the Astyanax mexicanus circadian clock and non-visual light responses. Dev Biol. 2018;441:345-354 pubmed publisher
    ..In this context, Astyanax mexicanus is a very intriguing model system with which to explore non-visual light detection and circadian clock ..
  40. Atukorala A, Franz Odendaal T. Spatial and temporal events in tooth development of Astyanax mexicanus. Mech Dev. 2014;134:42-54 pubmed publisher
    The Mexican tetra (Astyanax mexicanus), a freshwater teleost fish, is an excellent vertebrate model organism to study tooth development, specifically the spatiotemporal events related to the development of the oral and pharyngeal ..
  41. Carlson B, Onusko S, Gross J. A high-density linkage map for Astyanax mexicanus using genotyping-by-sequencing technology. G3 (Bethesda). 2014;5:241-51 pubmed publisher
    The Mexican tetra, Astyanax mexicanus, is a unique model system consisting of cave-adapted and surface-dwelling morphotypes that diverged >1 million years (My) ago...
  42. Vieira Menezes F, Costa D, Brasil Sato M. Nematodes of Astyanax fasciatus (Actinopterygii: Characidae) and their parasitic indices in the São Francisco river, Brazil. Rev Bras Parasitol Vet. 2017;26:10-16 pubmed publisher
    The endoparasite fauna of Astyanax fasciatus from the upper São Francisco river was investigated and ecological parameters and morphological and morphometric data on the parasites are presented...
  43. Blin M, Tine E, Meister L, Elipot Y, Bibliowicz J, Espinasa L, et al. Developmental evolution and developmental plasticity of the olfactory epithelium and olfactory skills in Mexican cavefish. Dev Biol. 2018;441:242-251 pubmed publisher
    The fish Astyanax mexicanus comes in two forms: the normal surface-dwelling (SF) and the blind depigmented cave-adapted (CF) morphs...
  44. Tang J, Guo Y, Stockdale W, Rana K, Killen A, Mommersteeg M, et al. The developmental origin of heart size and shape differences in Astyanax mexicanus populations. Dev Biol. 2018;441:272-284 pubmed publisher
    ..We have for the first time analysed the hearts of Astyanax mexicanus and identified several differences in heart morphology between the surface (epigean morph) and cave-..
  45. Ghisi N, de Oliveira E, Fávaro L, Silva de Assis H, Prioli A. In situ assessment of a neotropical fish to evaluate pollution in a river receiving agricultural and urban wastewater. Bull Environ Contam Toxicol. 2014;93:699-709 pubmed publisher
    ..Nuclear abnormalities (NA), comet assays of blood and gills, and gill histopathology were evaluated in fish Astyanax aff...
  46. Adolfi M, Carreira A, Jesus L, Bogerd J, Funes R, Schartl M, et al. Molecular cloning and expression analysis of dmrt1 and sox9 during gonad development and male reproductive cycle in the lambari fish, Astyanax altiparanae. Reprod Biol Endocrinol. 2015;13:2 pubmed publisher
    ..The lambari fish (Astyanax altiparanae) is an important Neotropical species, where studies on molecular level of sex determination and gonad ..
  47. Marinho M, Camelier P, Birindelli J. Redescription of Astyanax guianensis Eigenmann 1909 (Characiformes: Characidae), a poorly known and widespread fish from the Amazon, Orinoco and Guiana Shield drainages. Zootaxa. 2015;3931:568-78 pubmed publisher
    b>Astyanax guianensis is redescribed based on the holotype, paratypes, and additional specimens from the rio Essequibo in Guyana, rio Orinoco in Venezuela and from several localities in the Amazon river basin in Brazil, Colombia and Bolivia...
  48. de Siqueira Silva D, Silva A, Ninhaus Silveira A, Veríssimo Silveira R. The effects of temperature and busulfan (Myleran) on the yellowtail tetra Astyanax altiparanae (Pisces, Characiformes) spermatogenesis. Theriogenology. 2015;84:1033-42 pubmed publisher
    We aimed to standardize a protocol to suppress spermatogenesis in the characiform fish, Astyanax altiparanae, for future use as a host in germ cell transplant research, opening opportunities for a range of studies, such as spermatogenesis ..
  49. Marcon L, Bazzoli N, Honor Mounteer A, Dos Anjos Benjamin L. Histological and Histometric Evaluation of the Liver in Astyanax Bimaculatus (Teleostei: Characidae), Exposed to Different Concentrations of an Organochlorine Insecticide. Anat Rec (Hoboken). 2015;298:1754-64 pubmed publisher
    To investigate possible morphological changes to the liver tissue of lambaris, Astyanax bimaculatus (Linnaeus, 1758), females were exposed to treatments of sublethal concentrations of the insecticide Thiodan(®) for 96 hr...
  50. Costa Silva D, Nunes M, Wallau G, Martins I, Zemolin A, Cruz L, et al. Oxidative stress markers in fish (Astyanax sp. and Danio rerio) exposed to urban and agricultural effluents in the Brazilian Pampa biome. Environ Sci Pollut Res Int. 2015;22:15526-35 pubmed publisher
    ..In this study, fish (Astyanax sp...
  51. De Lucena C, Bertaco V, Berbigier G. A new species of Astyanax from headwater streams of southern Brazil (Characiformes: Characidae). Zootaxa. 2013;3700:226-36 pubmed
    b>Astyanax pirabitira, new species, is described from the upper portion of the rio das Antas, laguna dos Patos system, and from the rio Pelotas, upper rio Uruguay drainage, Rio Grande do Sul State, Brazil. The new species belongs to the A...
  52. Bianchi E, Goldoni A, Trintinaglia L, Lessing G, Silva C, Nascimento C, et al. Evaluation of genotoxicity and cytotoxicity of water samples from the Sinos River Basin, southern Brazil. Braz J Biol. 2015;75:68-74 pubmed publisher
    ..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 ..
  53. Flores Lopes F. The occurence of black spot disease in Astyanax aff. fasciatus (Characiformes: Characidae) in the Guaíba Lake basin, RS, Brazil. Braz J Biol. 2014;74:S127-34 pubmed publisher
    ..The present study evaluated the prevalence and intensity of this disease in Astyanax aff...
  54. Yoshizawa M. Behaviors of cavefish offer insight into developmental evolution. Mol Reprod Dev. 2015;82:268-80 pubmed publisher
    ..Specifically, we focus on recent findings about the blind Mexican cavefish, Astyanax mexicanus, for which clear relationships exist between its physical traits and ecosystem...
  55. Cunha M, Reis V, Dergam J. Closely Related Syntopic Cytotypes of Astyanax taeniatus (Jenyns, 1842) from the Upper Piranga River, Upper Doce Basin in Southeastern Brazil. Zebrafish. 2016;13:112-7 pubmed publisher
    b>Astyanax taeniatus occurs in coastal areas of southeastern Brazil, and it is very abundant in the Upper Doce River Basin...
  56. Powers A, Boggs T, Gross J. Canal neuromast position prefigures developmental patterning of the suborbital bone series in Astyanax cave- and surface-dwelling fish. Dev Biol. 2018;441:252-261 pubmed publisher
    ..In Astyanax cavefish, the lateral line sensory system is dramatically expanded in a region of the cranium marked by ..
  57. Ferreira P, Caldas D, Salaro A, Sartori S, Oliveira J, Cardoso A, et al. Intestinal and liver morphometry of the Yellow Tail Tetra (Astyanax altiparanae) fed with oregano oil. An Acad Bras Cienc. 2016;88:911-22 pubmed publisher
    ..study aimed to evaluate the effect of oregano oil on the intestinal and liver morphometry of yellow tail tetra, Astyanax altiparanae. Fish (1.46 ± 0.09 g) were kept in a 60-L aquaria, at a stocking density of 0.5 fi sh L-1...
  58. Daniel S, Penitente M, Hashimoto D, de Andrade Silva D, Foresti F, Porto Foresti F. New insights into karyotypic relationships among populations of Astyanax bockmanni (Teleostei, Characiformes) of different watersheds. Zebrafish. 2015;12:181-8 pubmed publisher
    ..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...
  59. Gross J, Powers A, Davis E, Kaplan S. A pleiotropic interaction between vision loss and hypermelanism in Astyanax mexicanus cave x surface hybrids. BMC Evol Biol. 2016;16:145 pubmed publisher
    ..Quantitative trait locus (QTL) analyses in Astyanax mexicanus Pachón cave x surface hybrids revealed phenotypic effects associated with vision and pigmentation loss...
  60. Elder J, Coombs S. The influence of turbulence on the sensory basis of rheotaxis. J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 2015;201:667-80 pubmed publisher
    ..that vision and the lateral line play in the rheotactic behavior of a stream-dwelling species (Mexican tetra, Astyanax mexicanus) under both rectilinear and turbulent flow conditions...
  61. O Quin K, Yoshizawa M, Doshi P, Jeffery W. Quantitative genetic analysis of retinal degeneration in the blind cavefish Astyanax mexicanus. PLoS ONE. 2013;8:e57281 pubmed publisher
    ..The characin fish Astyanax mexicanus includes both eyed (surface fish) and eyeless (cavefish) morphs that initially develop eyes with normal ..
  62. Marinho M, Ohara W. Redescription of Astyanax guaporensis Eigenmann, 1911 (Characiformes: Characidae), a small characid from the rio Madeira basin. Zootaxa. 2013;3652:475-84 pubmed
    ..localities in the rio Madeira basin, a poorly known species of Characidae described more than a century ago, Astyanax guaporensis Eigenmann, was collected...
  63. Daniel S, Penitente M, Silva D, Hashimoto D, Ferreira D, Foresti F, et al. Organization and Chromosomal Distribution of Histone Genes and Transposable Rex Elements in the Genome of Astyanax bockmanni (Teleostei, Characiformes). Cytogenet Genome Res. 2015;146:311-8 pubmed publisher
    ..we aimed to physically map the histone genes and transposable elements of the Rex family in 6 fish populations of Astyanax bockmanni...
  64. Moran D, Softley R, Warrant E. Eyeless Mexican cavefish save energy by eliminating the circadian rhythm in metabolism. PLoS ONE. 2014;9:e107877 pubmed publisher
    The eyed surface form and eyeless cave form of the Mexican tetra Astyanax mexicanus experience stark differences in the daily periodicities of light, food and predation, factors which are likely to have a profound influence on metabolism...
  65. Gomes L, Pessali T, Sales N, Pompeu P, Carvalho D. Integrative taxonomy detects cryptic and overlooked fish species in a neotropical river basin. Genetica. 2015;143:581-8 pubmed publisher
    ..morphological characteristics and DNA barcodes revealed two cryptic species among the Cyphocharax gilbert and Astyanax gr. bimaculatus specimens, and helped to identify two overlooked species within the Gymnotus and Astyanax taxa...
  66. Jeffery W. The Comparative Organismal Approach in Evolutionary Developmental Biology: Insights from Ascidians and Cavefish. Curr Top Dev Biol. 2016;116:489-500 pubmed publisher
    Important contributions to evolutionary developmental biology have been made using the comparative organismal approach. As examples, I describe insights obtained from studies of Molgula ascidians and Astyanax cavefish.
  67. Coutinho Sanches N, Dergam J. Cytogenetic and Molecular Data Suggest Deuterodon pedri Eigenmann, 1907 (Teleostei: Characidae) Is a Member of an Ancient Coastal Group. Zebrafish. 2015;12:357-65 pubmed publisher
    ..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...
  68. Stahl B, Gross J. Alterations in Mc1r gene expression are associated with regressive pigmentation in Astyanax cavefish. Dev Genes Evol. 2015;225:367-75 pubmed publisher
    ..whether regulatory mutations in Mc1r may also contribute to pigmentation loss in the blind Mexican cavefish, Astyanax mexicanus...
  69. Da Silva L, Dos Santos A, Giuliano Caetano L, Dias A. Chromosomal characterization in two species of an Astyanax bimaculatus complex (Characidae, Characiformes) using different techniques of chromosome banding. Cytotechnology. 2016;68:1277-86 pubmed publisher
    b>Astyanax has been the subject of extensive cytogenetic studies due to its wide karyotypic diversity...
  70. Cardoso N, Firmiano E, Gomes I, do Nascimento A, Sales A, Araújo F. Histochemical and immunohistochemical study on endocrine cells (5HT, GAS, and SST) of the gastrointestinal tract of a teleost, the characin Astyanax bimaculatus. Acta Histochem. 2015;117:595-604 pubmed publisher
    ..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...
  71. Corrêa L, Tavares Dias M, Ceccarelli P, Adriano E. Hematological alterations in Astyanax altiparanae (Characidade) caused by Lernaea cyprinacea (Copepoda: Lernaeidae). Dis Aquat Organ. 2016;120:77-81 pubmed publisher
    This study describes the hematological alterations in Astyanax altiparanae associated with infestation with Lernaea cyprinacea...
  72. Lopes F, Pereira B, Alves R, Valim J, Figueiredo F, Pitol D, et al. Ultramorphological changes in gill rakers of Astyanax altiparanae (Characidae) kept in contaminated environments. Fish Physiol Biochem. 2017;43:1033-1041 pubmed publisher
    ..Therefore, our study investigated ultramorphological changes in gill rakers of Astyanax altiparanae (Lambeth) caused by the exposure to biodegradable detergents...
  73. Stahl B, Gross J. A Comparative Transcriptomic Analysis of Development in Two Astyanax Cavefish Populations. J Exp Zool B Mol Dev Evol. 2017;328:515-532 pubmed publisher
    ..The blind Mexican cavefish, Astyanax mexicanus, has evolved a number of severe cave-associated phenotypes including loss of vision and pigmentation, ..
  74. Razo Mendivil U, García Vásquez A, Rubio Godoy M. Spot the difference: Two cryptic species of Gyrodactylus von Nordmann, 1832 (Platyhelminthes: Monogenea) infecting Astyanax aeneus (Actinopterygii, Characidae) in Mexico. Parasitol Int. 2016;65:389-400 pubmed publisher
    Over the course of one year, undescribed specimens of Gyrodactylus were recovered from banded tetra, Astyanax aeneus collected in the La Antigua and Nautla river basins in central Veracruz, Mexico...
  75. Costa Pereira R, Araujo M, Paiva F, Tavares L. Functional morphology of the tetra fish Astyanax lacustris differs between divergent habitats in the Pantanal wetlands. J Fish Biol. 2016;89:1450-8 pubmed publisher
    This study investigated whether the body morphology of the tetra fish Astyanax lacustris (previously Astyanax asuncionensis) varied between populations inhabiting one lagoon (a lentic, shallow environment, with great habitat complexity ..
  76. Weber A, Moreira D, Melo R, Vieira A, Prado P, da Silva M, et al. Reproductive effects of oestrogenic endocrine disrupting chemicals in Astyanax rivularis inhabiting headwaters of the Velhas River, Brazil. Sci Total Environ. 2017;592:693-703 pubmed publisher
    ..of this study was to evaluate the effects of oestrogenic endocrine disruptors on the reproduction of the lambari Astyanax rivularis, a small-sized species found in headwaters of the São Francisco River basin...
  77. de A Silva D, Daniel S, Camacho J, Utsunomia R, Ruiz Ruano F, Penitente M, et al. Origin of B chromosomes in the genus Astyanax (Characiformes, Characidae) and the limits of chromosome painting. Mol Genet Genomics. 2016;291:1407-18 pubmed publisher
    ..investigate B chromosome origin by comparing its results for seven B chromosome types in two fish species genus Astyanax, with those obtained (1) by means of the physical mapping of 18S ribosomal DNA (rDNA), H1 histone genes, the As51 ..
  78. Casane D, Retaux S. Evolutionary Genetics of the Cavefish Astyanax mexicanus. Adv Genet. 2016;95:117-59 pubmed publisher
    Blind and depigmented fish belonging to the species Astyanax mexicanus are outstanding models for evolutionary genetics...
  79. Powers A, Davis E, Kaplan S, Gross J. Cranial asymmetry arises later in the life history of the blind Mexican cavefish, Astyanax mexicanus. PLoS ONE. 2017;12:e0177419 pubmed publisher
    As a consequence of adaptation to the cave environment, the blind Mexican cavefish, Astyanax mexicanus, has evolved several cranial aberrations including changes to bone sizes, shapes and presence of numerous lateral asymmetries...
  80. Schmitter Soto J. A phylogeny of Astyanax (Characiformes: Characidae) in Central and North America. Zootaxa. 2016;4109:101-30 pubmed publisher
    A phylogeny is presented for 34 species of Astyanax, 27 of them once included within A. aeneus or A...
  81. Lyon A, Powers A, Gross J, O Quin K. Two - three loci control scleral ossicle formation via epistasis in the cavefish Astyanax mexicanus. PLoS ONE. 2017;12:e0171061 pubmed publisher
    ..In this study, we examine the inheritance of scleral ossicles in the Mexican tetra, Astyanax mexicanus, which exhibits both a cave morph and a surface fish morph...
  82. Marcon L, Thomé R, Mounteer A, Bazzoli N, Rizzo E, Benjamin L. Immunohistochemical, morphological and histometrical analyses of follicular development in Astyanax bimaculatus (Teleostei: Characidae) exposed to an organochlorine insecticide. Ecotoxicol Environ Saf. 2017;143:249-258 pubmed publisher
    ..integrin ?1, collagen type IV and caspase 3 by morphological, histometrical and immunohistochemical analyses of Astyanax bimaculatus exposed to Thiodan®...
  83. Galvan G, Lirola J, Felisbino K, Vicari T, Yamamoto C, Cestari M. Genetic and Hematologic Endpoints in Astyanax altiparanae (Characidae) After Exposure and Recovery to Water-Soluble Fraction of Gasoline (WSFG). Bull Environ Contam Toxicol. 2016;97:63-70 pubmed publisher
    ..e., DEP 30), the number of lymphocytes increased and the thrombocyte count remained high. These results indicate a long-term response to a condition of stress from WSFG. ..
  84. Dos Santos M, Yasui G, Xavier P, de Macedo Adamov N, do Nascimento N, Fujimoto T, et al. Morphology of gametes, post-fertilization events and the effect of temperature on the embryonic development of Astyanax altiparanae (Teleostei, Characidae). Zygote. 2016;24:795-807 pubmed
    ..events and subsequent temperature effects on the early developmental stages of the neotropical species Astyanax altiparanae...
  85. Piscor D, Centofante L, Parise Maltempi P. Highly Similar Morphologies Between Chromosomes Bearing U2 snRNA Gene Clusters in the Group Astyanax Baird and Girard, 1854 (Characiformes, Characidae): An Evolutionary Approach in Species with 2n?=?36, 46, 48, and 50. Zebrafish. 2016;13:565-570 pubmed
    Repetitive sequences and their chromosomal locations have been widely studied in species of the Astyanax genus. However, the chromosomal organization of U2 snDNA remains largely unknown...
  86. Ferreira D, Lima S, Frantine Silva W, Silva J, Apolinário Silva C, Sofia S, et al. Fine-scale genetic structure patterns in two freshwater fish species, Geophagus brasiliensis (Osteichthyes, Cichlidae) and Astyanax altiparanae (Osteichthyes, Characidae) throughout a Neotropical stream. Genet Mol Res. 2016;15: pubmed publisher
    ..polymorphic DNA) and microsatellite markers were used to analyze population differentiation and gene flow of Astyanax altiparanae and Geophagus brasiliensis from three sites (high, medium, and low) throughout the Penacho stream (..
  87. Nimet J, Guimarães A, Delariva R. Use of Muscular Cholinesterase of Astyanax bifasciatus (Teleostei, Characidae) as a Biomarker in Biomonitoring of Rural Streams. Bull Environ Contam Toxicol. 2017;99:232-238 pubmed publisher
    Cholinesterase (ChE) activity was measured in Astyanax bifasciatus maintained in controlled conditions...
  88. Carlson B, Gross J. Characterization and comparison of activity profiles exhibited by the cave and surface morphotypes of the blind Mexican tetra, Astyanax mexicanus. Comp Biochem Physiol C Toxicol Pharmacol. 2018;208:114-129 pubmed publisher
    ..to further explore these questions, we have assessed the rhythmicity of locomotion in the blind Mexican tetra, Astyanax mexicanus, under controlled laboratory conditions...
  89. Zanata A, Lima F, Dario F, Gerhard P. A new remarkable and Critically Endangered species of <i>Astyanax</i> Baird &amp; Girard (Characiformes: Characidae) from Chapada Diamantina, Bahia, Brazil, with a discussion on durophagy in the Characiformes. Zootaxa. 2017;4232:zootaxa.4232.4.2 pubmed publisher
    b>Astyanax brucutu is described from the rio Pratinha, rio Paraguaçu basin, Bahia, Brazil...
  90. de Paiva Camargo M, Cassel M, Oliveira de Jesus L, Nóbrega R, Borella M. Characterization of undifferentiated spermatogonia and the spermatogonial niche in the lambari fish Astyanax altiparanae. Theriogenology. 2017;96:97-102 pubmed publisher
    ..study characterizes undifferentiated type A spermatogonia and their S-phase label-retaining cell properties in Astyanax altiparanae testes. This is a fish species of substantial commercial, environmental, and academic importance...
  91. Fiorelini Pereira B, Alves A, Senhorini J, Hakime Scalize P, Tocchini de Figueiredo F, Pitol D, et al. Quantifying structural modifications of gills of two fish species Astyanax altiparanae (Lambari) and Prochilodus lineatus (Curimbatá) after exposure to biodegradable detergents in urban lake water. J Toxicol Environ Health A. 2017;80:338-348 pubmed publisher
    ..The objective of the present study was to identify modifications in gill structure in two fish species, Astyanax altiparanae and Prochilodus lineatus, after treatment with water obtained from an urban lake and an exposure to 1 ..
  92. Kowalko J, Ma L, Jeffery W. Genome Editing in Astyanax mexicanus Using Transcription Activator-like Effector Nucleases (TALENs). J Vis Exp. 2016;: pubmed publisher
    ..b>Astyanax mexicanus (A. mexicanus) is a species of fish with both surface-dwelling and cave-dwelling forms...