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STUDIES ON THE MICROBIAL ECOLOGY OF PAH DEGRADATION
Citation:
Mueller, J., S. Lantz, R. Devereux, J. Berg, AND P. Pritchard. STUDIES ON THE MICROBIAL ECOLOGY OF PAH DEGRADATION. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/A-94/198 (NTIS PB95123006).
Description:
Soils with known history of exposure to polycyclic aromatic hydrocarbons (PAHS) were collected from Norway, Germany and the United States and screened for the presence of PAH-degrading bacteria. urified PAH-degrading isolates were characterized by fatty acid profile analysis (GC-FAME), substrate utilization patterns (Biolog assays), 16S rRNA sequence comparisons, and total NA:DNA hybridizations. icrobial respirometry and chemical analyses were also performed to define the PAH-biodegradation potential of these soils. hese studies showed that all soils contaminated with PAHs developed competent PAH-degrading bacteria that are biochemically similar and phylogenetically related. owever, bioremediation strategies relying exclusively on indigenous PAH degraders should be closely evaluated for the ability to achieve site-specific clean up standards in a timely manner.
