Global carbon fixation in Earth's subsurface biosphere
Benoit de Pins, Guillermo Climent Gargallo, Martina Cascone, Matteo Selci, Flavia Migliaccio, Deborah Bastoni, Angelina Cordone, Alberto Vitale Brovarone, Stefano Caliro, Gerdhard L Jessen, J. Maarten de Moor, Peter H. Barry, Karen G. Lloyd, Donato Giovannelli
The paper characterizes carbon fixation pathways in subsurface metagenomes and estimates a global continental subsurface carbon fixation rate of ~2.65 Pg C yr-1.
bioRxiv · May 8, 2026 · PreprintMicrobiology