Review
Open access
Sep 2026
A global genomic survey of prokaryotic carbon fixation reveals an oxygen-tolerant rTCA cycle in the surface ocean
The reductive TriCarboxylic Acid cycle, long considered restricted to anoxic environments, was detected in three phylogenetically distinct Campylobacterota lineages from oxygenated surface seawater, suggesting a previously unrecognized and unexpected niche for this pathway.
A. Mankowski, S. Wuyts, A. Fullam et al.
· bioRxiv · 0 citations