Chromosome spreading of the 5S rDNA clusters in the karyotype of Gymnotus inaequilabiatus (Gymnotiformes: Gymnotidae): insights into the role of the Rex-1 and Rex-3 retrotransposable elements of this process

Chromosome spreading of the 5S rDNA clusters in the karyotype of Gymnotus inaequilabiatus (Gymnotiformes: Gymnotidae): insights into the role of the Rex-1 and Rex-3 retrotransposable elements of this process

Abstract Gymnotus inaequilabiatus has been the subject of few studies concerning the organization of its macro- and micro-karyotypic structures. This article aims to enhance the existing cytogenetic data for G. inaequilabiatus from the upper Paraná River basin by documenting its karyotype and other...

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Bibliographic Details
Main Authors: Lucas Pietro Ferrari Gianini, Ligia Carla Balini, Fernanda Errero Porto, Luciana Andreia Borin-Carvalho, Carlos Alexandre Fernandes
Format: Article
Language:English
Published: Sociedade Brasileira de Ictiologia 2025-03-01
Series:Neotropical Ichthyology
Subjects:
DNA ribosomal
Heterochromatin
Karyotype evolution
Species complex
Transposable elements
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252025000100211&tlng=en
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