Macroscale structural changes of thylakoid architecture during high light acclimation in Chlamydomonas reinhardtii.

ABSTRACT: Photoprotection mechanisms are ubiquitous among photosynthetic organisms. The photoprotection capacity of the green alga Chlamydomonas reinhardtii is correlated with protein levels of stress-related light-harvesting complex (LHCSR) proteins, which are strongly induced by high light (HL). However, the dynamic response of overall thylakoid structure during acclimation to growth in HL has not been fully understood. Here, we combined live-cell super-resolution microscopy and analytical membrane subfractionation to investigate macroscale structural changes of thylakoid membranes during HL acclimation in Chlamydomonas. Subdiffraction-resolution live-cell imaging revealed that the overall thylakoid structures became thinned and shrunken during HL acclimation. The stromal space around the pyrenoid

SUBMITTER: Broderson M 

PROVIDER: S-EPMC11614958 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature