Purple sulfur bacteria fix N2 via molybdenum-nitrogenase in a low molybdenum Proterozoic ocean analogue

N2 fixation was key to the expansion of life on Earth, but which organisms fixed N2 and if Mo-nitrogenase was functional in the low Mo early ocean is unknown. Here, the authors show that purple sulfur bacteria fix N2 using Mo-nitrogenase in a Proterozoic ocean analogue, despite low Mo conditions.

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Auteurs principaux: Miriam Philippi, Katharina Kitzinger, Jasmine S. Berg, Bernhard Tschitschko, Abiel T. Kidane, Sten Littmann, Hannah K. Marchant, Nicola Storelli, Lenny H. E. Winkel, Carsten J. Schubert, Wiebke Mohr, Marcel M. M. Kuypers
Format: article
Langue:EN
Publié: Nature Portfolio 2021
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Accès en ligne:https://doaj.org/article/6642d63b995a4ef1ae96c5cc921d3a8b
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