New Insights into the Sex Chromosome Evolution of the Common Barker Frog Species Complex (Anura, Leptodactylidae) Inferred from Its Satellite DNA Content.

ABSTRACT: Satellite DNAs (satDNAs) play a crucial role in understanding chromosomal evolution and the differentiation of sex chromosomes across diverse taxa, particularly when high karyotypic diversity occurs. The Physalaemus cuvieri-Physalaemus ephippifer species complex comprises at least seven divergent lineages, each exhibiting specific karyotypic signatures. The group composed of Ph. ephippifer, Lineage 1B of 'Ph. cuvieri' (L1B), and a lineage resulting from their secondary contact is especially intriguing due to varying degrees of sex chromosome heteromorphism. In this study, we characterized the satellitome of Ph. ephippifer in order to identify novel satDNAs that may provide insights into chromosomal evolution, particularly concerning sex chromosomes. We identifie

SUBMITTER: Souza LHB 

PROVIDER: S-EPMC12191414 | biostudies-literature | 2025 Jun

REPOSITORIES: biostudies-literature