Bacterial sterol methylation confounds eukaryotic biomarker interpretations
M. O. Brown, B. O. Olagunjub, J.-L. Giner, P. V. Welander
The paper shows bacterial enzymes can produce 24-isopropylcholestane, challenging the assumption that this sterane biomarker is exclusive to eukaryotes.
bioRxiv · May 16, 2022 · PreprintMicrobiology