Articles | Volume 18, issue 4
Biogeosciences, 18, 1463–1479, 2021
https://doi.org/10.5194/bg-18-1463-2021
Biogeosciences, 18, 1463–1479, 2021
https://doi.org/10.5194/bg-18-1463-2021

Research article 01 Mar 2021

Research article | 01 Mar 2021

Novel hydrocarbon-utilizing soil mycobacteria synthesize unique mycocerosic acids at a Sicilian everlasting fire

Nadine T. Smit et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (15 Dec 2020) by Sebastian Naeher
AR by Nadine Smit on behalf of the Authors (19 Dec 2020)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (22 Dec 2020) by Sebastian Naeher
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Short summary
Soils from an everlasting fire (gas seep) in Sicily, Italy, reveal high relative abundances of novel uncultivated mycobacteria and unique 13C-depleted mycocerosic acids (multi-methyl branched fatty acids) close to the main gas seep. Our results imply that mycocerosic acids in combination with their depleted δ13C values offer a new biomarker tool to study the role of soil mycobacteria as hydrocarbon consumers in the modern and past global carbon cycle.
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