Microorganisms consume trace gases present throughout the Mariana Trench water column
Yuka Adachi Katayama, Francesco Ricci, Yuto Fukuyama, Eiji Tasumi, Yukari Yoshida‐Takashima, Akiko Makabe, Takuro Nunoura, Taichi Yokokawa, Ken Takai, Chris Greening
The paper investigates CO and H2 as energy sources for microbes in the Mariana Trench, finding higher H2 oxidation rates at depth compared to CO.
bioRxiv · Sep 24, 2026 · PreprintMicrobiology