Isolation and characterization of diverse halobenzoate-degrading denitrifying bacteria from soils and sediments

Article Abstract:

Many genera belonging to the Proteobacteria can degrade many different halobenzoates and these bacteria are common in soil. Halogenated aromatic compounds are common pollutants, since they are used as herbicides, insecticides, solvents, fire retardants, and lubricants.

Soil microbiology, Halocarbons

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Carbon isotope fractionation during anaerobic degradation of methyl tert-butyl ether under sulfate-reducing and methanogenic conditions

Article Abstract:

Compound-specific stable isotope analysis is proposed as a tool to distinguish the loss of methyl tert-butyl ether (MTBE) due to biodegradation from other physical processes. MTBE, an octane enhancer and a fuel oxygenate in reformulated gasoline, has received increasing public attention after it was detected as a major contaminant of water resources.

Science & research, All Other Basic Organic Chemical Manufacturing, Industrial organic chemicals, not elsewhere classified, Methyl Tert-Butyl Ether, Environmental aspects, MTBE, Methanobacteriaceae, Methanogens, Methyl tertiary butyl ether

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Dehalogenation and biodegradation of brominated phenols and benzoic acids under iron-reducing, sulfidogenic and methanogenic conditions

Article Abstract:

A study was conducted on the anaerobic biodegradation and dehalogenation of brominated phenols and benzoic acids under different electron acceptors. Bromophenol isomers were easily utilized under sulfidogenic, methanogenic and iron-reducing conditions while bromobenzoate isomer utilization under the same conditions required a lengthy lag period. Results also prove that bromophenol biodegradation under sulfate- and iron-reducting conditions begins with reductive dehalogenation.

Phenols, Phenols (Class of compounds), Benzoic acid, Halogenation

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