Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Vladimir P. Margarido"'
Autor:
Sandro Tonello, Daniel R. Blanco, Fiorindo J. Cerqueira, Natália L. Lira, Josiane B. Traldi, Carla S. Pavanelli, Vladimir P. Margarido, Mariane Gavazzoni, Marcos V. Pupo, Roberto L. Lui
Publikováno v:
Neotropical Ichthyology, Vol 20, Iss 2 (2022)
Abstract This study aimed to identify species of Astyanax bimaculatus group from four Itaipu Reservoir tributaries (Paraná River Basin) by cytogenetics and molecular markers (COI) to investigate the possible occurrence of cryptic diversity in part o
Externí odkaz:
https://doaj.org/article/cb341d4b4b1c4c5bb76cf0890677f26c
Autor:
Syed F. Ahmad, Maryam Jehangir, Adauto L. Cardoso, Ivan R. Wolf, Vladimir P. Margarido, Diogo C. Cabral-de-Mello, Rachel O’Neill, Guilherme T. Valente, Cesar Martins
Publikováno v:
BMC Genomics, Vol 21, Iss 1, Pp 1-25 (2020)
Abstract Background One of the biggest challenges in chromosome biology is to understand the occurrence and complex genetics of the extra, non-essential karyotype elements, commonly known as supernumerary or B chromosomes (Bs). The non-Mendelian inhe
Externí odkaz:
https://doaj.org/article/5e8a06b14c3c4098ae11953eda0dd23e
Publikováno v:
Neotropical Ichthyology, Vol 16, Iss 2 (2018)
ABSTRACT Pimelodidae harbors several species and is widely distributed throughout the Neotropical region. Pimelodus is the genus with the largest number of species, however it is a polyphyletic group. Cytogenetic analyzes of the valid species still c
Externí odkaz:
https://doaj.org/article/4f7e89972a6b41bdbd03da212a90d25a
Autor:
Leonardo M. Paiz, Lucas Baumgärtner, Weferson J. da Graça, Vladimir P. Margarido, Carla S. Pavanelli
Publikováno v:
Neotropical Ichthyology, Vol 15, Iss 2 (2017)
ABSTRACT We provide cytogenetic data for the threatened species Gymnogeophagus setequedas, and the first record of that species collected in the Iguaçu River, within the Iguaçu National Park’s area of environmental preservation, which is an unexp
Externí odkaz:
https://doaj.org/article/926001d426eb4170b02a18b78e66235d
Autor:
Cleisson de Cristo Casarotto, Chrystian Aparecido Grillo Haerter, Diana Paula Perin, Letícia Marchiotti de Jesus, Gabrielle Jovana Antoniazzi, Daniel Rodrigues Blanco, Fernando Rodrigo Treco, Vladimir Pavan Margarido, Josiane Baccarin Traldi, Roberto Laridondo Lui
Publikováno v:
Neotropical Ichthyology, Vol 22, Iss 2 (2024)
Abstract The genus Tetranematichthys has only three species, and none of them have undergone cytogenetic analyses. Therefore, this study brings for the first time the analysis of Tetranematichthys wallacei, collected from the Igarapé Apaú, Guamá R
Externí odkaz:
https://doaj.org/article/78274f2d8680432cb2de2962468d4291
Autor:
Denise Felicetti, Chrystian Aparecido Grillo Haerter, Lucas Baumgärtner, Leonardo Marcel Paiz, Daniel Rodrigues Blanco, Eliana Feldberg, Vladimir Pavan Margarido, Maelin Silva, Roberto Laridondo Lui
Publikováno v:
Caryologia, Vol 76, Iss 2 (2023)
Trachelyopterus Valenciennes 1840 species exhibit striking morphological and cytogenetic similarities, leading to persistent taxonomic challenges. This research focuses on Trachelyopterus galeatus Linnaeus 1766 and Trachelyopterus porosus Eigenmann &
Externí odkaz:
https://doaj.org/article/5ba3d7235b164f798558c68692366e51
Autor:
Chrystian Aparecido Grillo Haerter, Daniel Rodrigues Blanco, Josiane Baccarin Traldi, Eliana Feldberg, Vladimir Pavan Margarido, Roberto Laridondo Lui
Publikováno v:
PLoS ONE, Vol 18, Iss 6, p e0285388 (2023)
The scattered distribution pattern of microsatellites is a challenging problem in fish cytogenetics. This type of array hinders the identification of useful patterns and the comparison between species, often resulting in over-limited interpretations
Externí odkaz:
https://doaj.org/article/62c851f10c134c05853f03f12da68ef1
Publikováno v:
Neotropical Ichthyology, Vol 13, Iss 3, Pp 557-568
The genetic diversity of the specimens of four natural populations of Arapaima from Araguaia-Tocantins basin was assessed within and among these stocks, using five primers for ISSR. COI (cytochrome c oxidase subunit I ) partial sequences confirmed th
Externí odkaz:
https://doaj.org/article/4727c728d3634b4fa3169502360944bb
Autor:
Mariane Gavazzoni, Carla S Pavanelli, Weferson J Graça, Ezequiel A De Oliveira, Orlando Moreira-Filho, Vladimir P Margarido
Publikováno v:
Biological Journal of the Linnean Society. 138:51-67
Psalidodon fasciatus is a complex of several fish species widely distributed in Brazilian hydrographic systems that share morphological characteristics and show a high taxonomic complexity and genetic variability. Cytogenetic and molecular analyses w
Autor:
Gabriela B. N. de Paula, Mariane Gavazzoni, Cláudio H. Zawadzki, Carlos A. Fernandes, Ana L. B. Portela-Castro, Roberto L. Lui, Vladimir P. Margarido
Publikováno v:
Neotropical Ichthyology v.20 n.2 2022
Neotropical ichthyology
Sociedade Brasileira de Ictiologia (SBI)
instacron:SBI
Neotropical Ichthyology, Volume: 20, Issue: 2, Article number: e210158, Published: 03 JUN 2022
Neotropical ichthyology
Sociedade Brasileira de Ictiologia (SBI)
instacron:SBI
Neotropical Ichthyology, Volume: 20, Issue: 2, Article number: e210158, Published: 03 JUN 2022
Hypostomus is the most specious genus of Hypostominae, composed of several species with high intraspecific morphological and color pattern variation, making their identification a complex issue. One of the species with problematic identification is H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f48ff74f654becfe74cc6496edb2c91a
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252022000200204
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252022000200204