Polyvinyl alcohol biodegradation under denitrifying conditions

被引：55

作者：

Marusincova, Hana ^{[1
]}

Husarova, Lucie ^{[1
,2
]}

Ruzicka, Jan ^{[1
,2
]}

Ingr, Marek ^{[3
,4
]}

Navratil, Vaclav ^{[4
,5
]}

Bunkova, Leona ^{[1
]}

Koutny, Marek ^{[1
,2
]}

机构：

[1] Tomas Bata Univ Zlin, Fac Technol, Dept Environm Protect Engn, Zlin 76001, Czech Republic

[2] Tomas Bata Univ Zlin, Ctr Polymer Syst, Zlin 76001, Czech Republic

[3] Tomas Bata Univ Zlin, Fac Technol, Dept Phys & Mat Engn, Zlin 76001, Czech Republic

[4] Charles Univ Prague, Dept Biochem, Prague 12843 2, Czech Republic

[5] Acad Sci Czech Republ, Inst Organ Chem & Biochem, Prague 16610 6, Czech Republic

来源：

INTERNATIONAL BIODETERIORATION & BIODEGRADATION | 2013年 / 84卷

关键词：

Polyvinyl alcohol; Biodegradation; Denitrification; Waste-water treatment; Anaerobic; Steroidobacter; POLY(VINYL ALCOHOL); ANAEROBIC BIODEGRADABILITY; STRAIN; DEHYDROGENASE; PURIFICATION; DEGRADATION; BACTERIA; CLONING; COMPLEX; GENE;

D O I：

10.1016/j.ibiod.2013.05.023

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Polyvinyl alcohol was biodegraded under denitrifying conditions with a microbial community originated from a municipal wastewater treatment plant. The derived microbial consortium was capable of polyvinyl alcohol degradation under both denitrifying and aerobic conditions. The community dynamics was monitored by temperature gradient gel electrophoresis, and a principal utilizing organism was identified and assigned as Steroidobacter sp. PD. The possible role of Steroidobacter sp. PD was also investigated by sequencing the 16S rDNA clone library prepared from the degrading community. qPCR analysis showed that the fraction of the microorganism in the community was very low initially (0.02%) and had reached to about 16% by the end of the biodegradation experiment. The study revealed that polyvinyl alcohol can be biodegraded in a water environment not only under aerobic but also under denitrifying conditions. (c) 2013 Elsevier Ltd. All rights reserved.

引用

页码：21 / 28

页数：8

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