Isolation and characterization of a novel toluene-degrading, sulfate-reducing bacterium
Article Abstract:
A sulfate-reducing bacterium, strain PRTOL1, that utilizes toluene as the only carbon source and electron donor under anaerobic conditions has been isolated from fuel-contaminated subsurface soil. The bacterium mineralizes o- and p-xylene in the presence of toluene to form (2-methylbenzyl)succinic acid, 4-methylbenzoic acid, and benzylsuccinic acid as by-products. Oxidation of acetyl coenzyme A occurs through the carbon monoxide dehydrogenase pathway. Strain PRTOL1 has a 16S rRNA gene sequence and inhabits freshwater sources.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1996
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Desulfotomaculum and methanobacterium spp. dominate a 4- to 5-kilometer-deep fault
Article Abstract:
Alkaline, sulfidic, 4 to 53 million-year-old meteoric water emanating from a borehole intersecting quartzite-hosted fractures greater than 3.3 kilometer beneath the surface have supported a microbial community dominated by a bacterial species with Desulfotomaculum spp. and an archaeal species related to Methanobacterium spp. These geochemical setting and microbial communities are notably different from microbial ecosystems reported for shallower continental subsurface environments.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2005
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