A novel microbial hydrocarbon degradation pathway revealed by hopane demethylation in a petroleum reservoir

Details A novel microbial hydrocarbon degradation pathway revealed by hopane demethylation in a petroleum reservoir A novel microbial hydrocarbon degradation pathway revealed by hopane demethylation in a petroleum reservoir

May 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995gecoa..59.1891m&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 59, Issue 9, pp.1891-1894

Physics

1

Scientific paper

The origin of 25-norhopanes is controversial, despite their abundance in many biodegraded oils. In a biodegraded oil reservoir, we found concomitant and directionally opposite changes with depth in the concentrations of certain 17 -hopanes and their 17 ,25-norhopane counterparts, demonstrating microbially induced demethylation of hopanes. These observations suggest a hitherto unknown biodegradation mechanism and provide insight into the poorly understood process of natural petroleum biodegradation.

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