Heatwave resilience of juvenile white sturgeon is associated with epigenetic and transcriptional alterations.

ABSTRACT: Heatwaves are increasing in frequency and severity, posing a significant threat to organisms globally. In aquatic environments heatwaves are often associated with low environmental oxygen, which is a deadly combination for fish. However, surprisingly little is known about the capacity of fishes to withstand these interacting stressors. This issue is particularly critical for species of extreme conservation concern such as sturgeon. We assessed the tolerance of juvenile white sturgeon from an endangered population to heatwave exposure and investigated how this exposure affects tolerance to additional acute stressors. We measured whole-animal thermal and hypoxic performance and underlying epigenetic and transcriptional mechanisms. Sturgeon exposed to a simulated heatwave had increased therma

SUBMITTER: Earhart ML 

PROVIDER: S-EPMC10507091 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature