Host metabolite production and microbiome dynamics: effects of long-term diatom adaptation to warming.

ABSTRACT: Marine diatoms contribute significantly to global oceanic primary production, constituting ~25% of earth production but are susceptible to the impacts of ocean warming. While organisms' adaptation to rising temperatures may mitigate these impacts, it could also disrupt species interactions, including those between hosts and their microbiomes. In our study, we examined thermal performance and diversity changes in the microbiome of the tropical diatom Chaetoceros tenuissimus after long-term adaptation to ambient (LA) and warming (LW) temperatures. We observed notable shifts in the metabolomic profile, with amino acids accumulating after LW adaptation and sugars accumulating after LA, while lipids content remained unchanged. After LW, the microbiota increased maximum growth rate withou

SUBMITTER: Agusti S 

PROVIDER: S-EPMC12743300 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature