Isolation and characterization of a thermotolerant bacterium Ralstonia sp strain PHS1 that degrades benzene, toluene, ethylbenzene, and o-xylene
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- Isolation and characterization of a thermotolerant bacterium Ralstonia sp strain PHS1 that degrades benzene, toluene, ethylbenzene, and o-xylene
- Lee, Sung Kuk; Lee, SB
- PSEUDOMONAS-STUTZERI STRAIN; DENITRIFYING CONDITIONS; THERMOPHILIC BIODEGRADATION; BTEX; DEGRADATION; BIOTRANSFORMATION; HYDROCARBONS; METABOLISM; CONSORTIA
- Issue Date
- APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, v.56, no.1-2, pp.270 - 275
- named Alcaligenes eutrophus). Unlike its closest known Ralstonia species, however, strain PHS1 was able to utilize toluene, ethylbenzene, o-xylene, and both m- and o-cresol. The degradation of o-xylene, by strain PHS I is particularly important, since o-xylene is a compound of considerable environmental interest, owing to its recalcitrance; and very few microorganisms have been reported to utilize o-xylene as a sole carbon source. It was found that strain PHS1 transformed o-xylene to 2,3-dimethylphenol through direct oxygenation of the aromatic ring. The unique properties of strain PHS1, such as thermotolerance and the ability to degrade o-xylene, may have important implications for the treatment of BTEX-contaminated industrial effluents.
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