Oligogalactolipid production during cold challenge is conserved in early diverging lineages.

ABSTRACT: Severe cold, defined as a damaging cold beyond acclimation temperatures, has unique responses, but the signaling and evolution of these responses are not well understood. Production of oligogalactolipids, which is triggered by cytosolic acidification in Arabidopsis (Arabidopsis thaliana), contributes to survival in severe cold. Here, we investigated oligogalactolipid production in species from bryophytes to angiosperms. Production of oligogalactolipids differed within each clade, suggesting multiple evolutionary origins of severe cold tolerance. We also observed greater oligogalactolipid production in control samples than in temperature-challenged samples of some species. Further examination of representative species revealed a tight association between temperature, damage, and oligogalact

SUBMITTER: Barnes AC 

PROVIDER: S-EPMC10848234 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature