Cyanobacteria have evolved elaborate electron transport pathways to carry out
photosynthesis and respiration, and to dissipate excess energy in order to limit cellular …

Highlights•Alpha and beta carboxysomes differ in composition, assembly, and
evolution.•Alphas appear to co-assemble shell and cargo proteins; betas assemble inside …

INTRODUCTION Complex I is the first and, with 45 subunits and a total mass of~ 1 MDa, the
most elaborate of the mitochondrial electron transfer chain enzymes. Complex I converts …

In nature, plants are challenged by constantly changing light conditions. To reveal the
molecular mechanisms behind acclimation to sometimes drastic and frequent changes in …

Photosynthetic complex I enables cyclic electron flow around photosystem I, a regulatory
mechanism for photosynthetic energy conversion. We report a 3.3-angstrom-resolution cryo …

Cyanobacteria were responsible for the oxygenation of the ancient atmosphere; however,
the evolution of this phylum is enigmatic, as relatives have not been characterized. Here we …

During plant photosynthesis, photosystems I (PSI) and II (PSII), located in the thylakoid
membranes of the chloroplast, use light energy to mobilize electron transport. Different …

The light reactions in photosynthesis drive both linear and cyclic electron transport around
photosystem I (PSI). Linear electron transport generates both ATP and NADPH, whereas PSI …

Oxygenic photosynthesis converts solar energy into chemical energy in the chloroplasts of
plants and microalgae as well as in prokaryotic cyanobacteria using a complex machinery …

Cyanobacteria are model organisms for photosynthesis and are attractive for biotechnology
applications. To aid investigation of genotype-phenotype relationships in cyanobacteria, we …