Hydrogen and dark oxygen drive microbial productivity in diverse groundwater ecosystems
S. E. Ruff, P. Humez, I. Hrabe de Angelis, M. Nightingale, M. Diao, S. Cho, L. Connors, O. O. Kuloyo, A. M. Seltzer, S. Bowman, S. Wankel, C. N. McClain, B. Mayer, M. Strous
The paper examines groundwater ecosystems, finding that older groundwaters have higher microbial cell counts and dissolved oxygen, suggesting aerobic microbial activity in previously thought anoxic environments.
bioRxiv · Aug 9, 2022Microbiology