Bacterial isolates degrading aliphatic polycarbonates

被引:0
|
作者
Suyama, T [1 ]
Hosoya, H [1 ]
Tokiwa, Y [1 ]
机构
[1] Natl Inst Biosci & Human Technol, Tsukuba, Ibaraki 305, Japan
关键词
aliphatic polycarbonate; biodegradation; lipolytic enzyme; Pseudomonas sp; Variovorax sp;
D O I
暂无
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Bacteria that degrade an aliphatic polycarbonate, poly(hexamethylene carbonate), were isolated from river mater in Ibaraki Prefecture, Japan, after enrichment in liquid medium containing poly(hexamethylene carbonate) suspensions as carbon source, and dilution to single cells. Four of the strains, 35L, WFF52, 61A and 61B2, degraded poly(hexamethylene carbonate) on agar plate containing suspended poly(hexamethylene carbonate). Degradation of poly(hexamethylene carbonate) was confirmed by gel permeation chromatography. Besides poly(hexamethylene carbonate), the strains were found to degrade poly(tetramethylene carbonate). The strains were characterized morphologically, physiologically, and by 16S rDNA sequence analysis. Strains 35L and WFF52 were tentatively identified as Pseudomonas sp. and Variovorax sp., respectively, while strains 61A and 61B2 constitute an unidentified branch within the beta subclass of the Proteobacteria. (C) 1998 Federation of European Microbiological Societies. Published by Elsevier Science B.V.
引用
收藏
页码:255 / 261
页数:7
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