No evidence of evolutionary impact from size-selective harvesting on epigenetic and reproductive molecular markers in zebrafish (Danio rerio) gonads.

ABSTRACT: This study investigates whether size-selective harvesting induced heritable changes reflected in epigenetic and reproductive molecular markers in zebrafish (Danio rerio), thereby indicating potential evolutionary responses. We used an experimental harvest model where zebrafish populations were subjected to five generations of size-selective harvesting, followed by eight generations without harvesting in a controlled environment to examine evolutionarily fixed outcomes in response to harvest selection. We assumed the evolutionary adaptations to size-selection to have left a molecular legacy related to sexual development, as previous studies have shown that evolution of reproductive timing is a common response to size-selection. To that end, we examined the expression of specific genes relat

SUBMITTER: Ribas L 

PROVIDER: S-EPMC12861836 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature