cytotaxonomic and evolutionary considerations about karyotipic data of fishes from the iguaçu river basin in south of brazil

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ID: 215594
2007
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Abstract
The cytogenetic data available in the literature about the ichthyofauna of the Iguaçu River basin were analyzed in this review. The ichthyofauna was characterized by the high level of endemism and by the low diversity of species. Twenty-four of the eighty-one species were already karyotyped; six Characiformes, fourteen Siluriformes and four Perciformes. The chromosomal data showed the taxonomic and systematic complexity of the groups. Hypothesis related to the evolution of some Characiformes and Siluriformes groups from the Iguaçu River are proposed, as well as the utilization of karyotypic data for cytotaxonomy.
Nesta revisão são analisados os dados citogenéticos disponíveis na literatura relativos à ictiofauna da bacia do Rio Iguaçu, a qual é caracterizada pelo alto grau de endemismo e pela baixa diversidade de espécies. Das oitenta e uma espécies conhecidas, vinte e quatro já foram cariotipadas sendo 6 Characiformes, 14 Siluriformes e 4 Perciformes. Os dados cromossômicos evidenciam a complexidade taxonômica e sistemática dos grupos. São propostas hipóteses relacionadas à evolução de alguns grupos de Characiformes e Siluriformes do Rio Iguaçu, assim como o aproveitamento de dados cariotípicos para a citotaxonomia.
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kantek2007braziliancytotaxonomic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Daniel Luis Zanella Kantek;Roger Raupp Cipriano;Vinícius Abilhoa;Roberto Ferreira Artoni;Marta Margarete Cestari
Journal current drug delivery
Year 2007
DOI
10.1590/S1516-89132007000500007
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000500007
Keywords
neotropical region

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