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KMID : 0545119980080050540
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Journal of Microbiology and Biotechnology
1998 Volume.8 No. 5 p.540 ~ p.542
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Isolation of an Aromatic Polyhydroxyalkanoates-degrading Bacterium
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Ju, He Sug
Kim, Jung Ho/Kim, Hoon
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Abstract
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Five microorganisms capable of degrading an aromatic medium-chain-length polyhydroxyalkanoate (PRA_MCL), poly(3-hydroxy-5-phenylvalerate) (PHPV), were isolated from wastewater-treatment sludge. Among the isolates, JS02 showed degrading activity consistantly during several transfers. The isolate JS02 could hydrolyze another aromatic MCL copolyester, poly(3-hydroxy-5-phenoxyvalerate-co-3-hydroxy-7-phenoxyheptanoate), [P (5POHV-co-7POHH)], and other short-chain-length PHAs (PHA_SCL) such as poly(3-hydroxybutyrate) [P3(HB)], poly(3-hydroxybutyrate-co-4-hydroxybutyrate) [P(3HB-co-4HB)], and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) [P(3HB-co-3HV)] with relatively low activity. The culture supernatant of JS02 showed hydrolyzing activity for the p-nitrophenyl esters of fatty acids.
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KEYWORD
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