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Microbiology and Biotechnology Letters

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Microbiol. Biotechnol. Lett. 2004; 32(1): 37-46

Stenotrophomonas maltophilia LK-24의 페놀분해 관련 효소

Analysis of Enzymes of Stenotrophomonas maltophilia LK-24 Associated with Phenol Degradation

Jeong-Dong Kim, and Kook-Hee Kang,

Department of Life Science, Hanyang University, 1Department of Food and Biotechnology, Sungkyunkwan University

Abstract

The analysis of enzymes associated with metabolism of phenolics by Stenotrophomonas maltophilia LK-24 was conducted. To identify metabolites of phenol and phenol compound, we investigated enzymes of S. maltophilia LK-24 associated with degradation of phenolics. We found that phenol hydrolase, catechol-2.3-dioxygenase, 2-hydroxymuconic semialdehyde dehydrogenase, 2-hydroxymuconic semialdehyde hydroxylase and acetaldehyde dehydrogenase were activated. The results showed that phenolics were gone through the meta-pathway ring cleavage. The results will contribute greatly to understand metabolic pathways of phenol and it is possible to make some assessment of the feasibility of using S. maltophilia LK-24 for the treatments of phenolic-contaminated waste streams.

Keywords: Stenotrophomonas maltophilia;biodegradation;phenol;meta-pathway;

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