Drought preceding rain events drives shifts in phytoplankton composition and metabolome in Lake Aydat (France) revealing molecular strategies.

ABSTRACT: Global change is expected to increase cyanobacterial dominance and cyanotoxin production. However, cyanobacterial responses to meteorological events remain uncertain due to limited integrative approaches. Eco-metabolomics offers a promising tool to investigate drivers of phytoplankton successions and metabolite production. We investigated the spatio-temporal dynamics of phytoplankton and their metabolomes in relation to local meteorological conditions in Lake Aydat (France) during summer 2021, sampling both near the Veyre inflow and at the lake center. High-resolution mass spectrometry, combined with phytoplankton biovolumes and physicochemical parameters, revealed two distinct metabolomic fingerprints positively correlated with phytoplankton composition. The first metabolome is composed o

SUBMITTER: Noirmain F 

PROVIDER: S-EPMC12940127 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature