Mostrando 10 resultados de: 23
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Vertebrados de sangre fría(20)
Mammalia(15)
Arthropoda(8)
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Invertebrados(4)
A new species of mullet (Teleostei: Mugilidae) from Venezuela, with a discussion on the taxonomy of Mugil gaimardianus
ArticleAbstract: The original description of Mugil gaimardianus has created various taxonomic problems in the past siPalabras claves:Karyotype, MORPHOLOGY, Mugilid, SYSTEMATIC, taxonomyAutores:Gaviria J.I., Harrison I., Mauro Nirchio, Oliveira C., Ron E.Fuentes:scopusChromosomal polymorphism and molecular variability in the pearly razorfish Xyrichtys novacula (Labriformes, Labridae): taxonomic and biogeographic implications
ArticleAbstract: The pearly razorfish Xyrichtys novacula (Linnaeus, 1758) is a sedentary benthic species distributedPalabras claves:cytochrome c oxidase subunit I, Cytogenetics, MtDNA, Novaculini, species complexAutores:Foresti F., Gaviria J.I., Mauro Nirchio, Milana V., Oliveira C., Rossi A.R., Siccha-Ramirez Z.R.Fuentes:scopusChromosome analysis in saccodon wagneri (Characiformes) and insights into the karyotype evolution of parodontidae
ArticleAbstract: Parodontidae is a relatively small group of Neotropical characiform fishes consisting of three generPalabras claves:Ag-NOR, Cytogenetics, FISH, heterochromatin, ZW sex chromosomesAutores:de Bello Cioffi M., Maria Cecilia Masache, Mauro Nirchio, Moreira-Filho O., Oliveira C., Paim F.G., Ramiro Barriga, Rossi A.R.Fuentes:googlescopusChromosome evolution in fishes: A new challenging proposal from Neotropical species
ArticleAbstract: We present a database containing cytogenetic data of Neotropical actinopterygian fishes from VenezuePalabras claves:Actinopterygii, Ancestral karyotype, Diploid number, Fundamental numberAutores:Foresti F., Mauro Nirchio, Oliveira C., Rossi A.R.Fuentes:scopusClassical and molecular cytogenetic characterization of Agonostomus monticola, a primitive species of Mugilidae (Mugiliformes)
ArticleAbstract: This study reports the first description of the karyotype of Agonostomus monticola, a species belongPalabras claves:18S and 5S rDNA, Constitutive heterochromatin, FISH, Karyotype, NORsAutores:Ferreira I.A., Martins C., Mauro Nirchio, Oliveira C., Rossi A.R., Sola L.Fuentes:scopusComparative cytogenetic and allozyme analysis of Mugil rubrioculus and M. curema (Teleostei: Mugilidae) from Venezuela
ArticleAbstract: A comparative cytogenetic and allozyme analysis of sympatric specimens o/Mugil rubrioculus and M. cuPalabras claves:C-banding, chromosome, Fluorescent in situ hybridization, Gene-enzyme, Karyotype, Mullets, NORsAutores:Ferreira I.A., Gaviria J.I., Harrison I., Mauro Nirchio, Oliveira C., Pérez J.E., Rossi A.R., Sola L.Fuentes:scopusAn inventory of coastal freshwater fishes from Amapá highlighting the occurrence of eight new records for Brazil
ArticleAbstract: The Amazon Basin occupies a vast portion of northern South America and contains some of the highestPalabras claves:AMAZON, French Guyana, NEOTROPICAL, SOUTH AMERICA, TeleosteiAutores:Benine R.C., Gama C., Melo B.F., Oliveira C., Ricardo BritzkeFuentes:scopusAn old taxonomic dilemma: The identity of the western south Atlantic lebranche mullet (Teleostei: Perciformes: Mugilidae)
ArticleAbstract: The identification of the lebranche mullet in the western south Atlantic has long been problematicalPalabras claves:Caribbean and South American Atlantic waters, Misidentification, Mugilid species, taxonomyAutores:Mauro Nirchio, Menezes N.A., Oliveira C.Fuentes:scopusApistogramma ortegai (Teleostei: Cichlidae), a new species of cichlid fish from the Ampyiacu River in the Peruvian Amazon basin
ArticleAbstract: Apistogramma ortegai, new species, is described from small streams tributaries of the Ampiyacu RiverPalabras claves:amazonía, freshwater, Geophaginae, Geophagini, MORPHOLOGY, taxonomyAutores:Kullander S.O., Oliveira C., Ricardo BritzkeFuentes:scopusFirst cytogenetic analysis of Ichthyoelephas humeralis (Günther, 1860) by conventional and molecular methods with comments on the karyotypic evolution in Prochilodontidae
ArticleAbstract: We used conventional cytogenetic techniques (Giemsa, C-banding, Ag-NOR), and fluorescent in situ hybPalabras claves:EVOLUTION, Fluorescent in situ hybridization, Karyotype, NORs, ProchilodontidaeAutores:César Quezada Abad, Mauro Nirchio, Oliveira C., Omar Sánchez Romero, Silva D.M.Z.d.A., Wilmer Arnoldo Moreira BlacioFuentes:scopus