Biodegradability of oxidized poly(vinyl alcohol)

被引：12
|
作者：
Hatanaka, T
Hashimoto, T
Kawahara, T
Takami, M
Asahi, N
Wada, R
机构：
[1] Kuraray Co., Ltd, Okayama, 710
来源：
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY | 1996年 / 60卷 / 11期
关键词：
poly(vinyl alcohol); pyrroloquinoline quinone; biodegradation; poly(vinyl alcohol) dehydrogenase; oxidation;
D O I：
10.1271/bbb.60.1861
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Poly(vinyl alcohol) dehydrogenase (PVADH) purified from Pseudomonas sp. 113P3 catalyzed an oxidation of poly(vinyl alcohol) (PVA) in the presence of pyrroloquinoline quinone (PQQ) to give a beta-diketone structure on PVA. Although PVADH oxidized not only enzymatically oxidized PVA but also chemically oxidized PVA, PVA-degrading microorganisms, Pseudomonas sp, 113P3 and Arthrobacter tumescens sp. 52-1 grew on the enzymatically oxidized PVA, but not on the chemically oxidized PVA. This suggests that the growth of PVA-degrading microorganisms is affected by the structure of oxidized PVA.
引用
收藏
页码：1861 / 1863
页数：3
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