Revealing the Satellite DNA History in Psalidodon and Astyanax Characid Fish by Comparative Satellitomics.

ABSTRACT: Eukaryotic genomes are usually enriched in repetitive DNA sequences, which can be classified as dispersed or tandemly repeated elements. Satellite DNAs are noncoding monomeric sequences organized in a head-to-tail fashion that are generally located on the subtelomeric and/or pericentromeric heterochromatin. In general, a single species incorporates a diverse group of satellite DNA families, which collection is called satellitome. Here, we characterized three new satellitomes from distinct characid fish (Psalidodon fasciatus, P. bockmanni, and Astyanax lacustris) using a combination of genomic, cytogenetic, and bioinformatic protocols. We also compared our data with the available satellitome of P. paranae. We described 57 satellite DNA (satDNA) families of P. fasciat

SUBMITTER: Goes CAG 

PROVIDER: S-EPMC9253505 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature