Comparison of Ammonia-Oxidizing Bacterial Community Structure in Membrane-Assisted Bioreactors Using PCR-DGGE and FISH

被引：6

作者：

Ziembinska, A. ^{[1
]}

Ciesielski, S. ^{[2
]}

Gnida, A. ^{[1
]}

Zabczynski, S. ^{[1
]}

Surmacz-Gorska, J. ^{[1
]}

Miksch, K. ^{[1
]}

机构：

[1] Silesian Tech Univ, Environm Biotechnol Dept, PL-44100 Gliwice, Poland

[2] Univ Warmia & Mazury, Dept Environm Biotechnol, PL-10719 Olsztyn, Poland

来源：

JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY | 2012年 / 22卷 / 08期

关键词：

Activated sludge; ammonia-oxidizing bacteria; PCR-DGGE; FISH; MBR; 16S rRNA gene; GRADIENT GEL-ELECTROPHORESIS; SITU HYBRIDIZATION FISH; ACTIVATED-SLUDGE; LANDFILL LEACHATE; WASTE-WATER; MOLECULAR ANALYSIS; DIVERSITY; MBR;

D O I：

10.4014/jmb.1201.01014

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：

The ammonia-oxidizing bacterial (AOB) communities in three membrane bioreactors (MBRs) were monitored for 2 months after an acclimation period in order to investigate the influence of sludge age and medium type on AOB changeability and its connection with nitrification effectiveness. One MBR with a sludge age of 4 days was fed with a synthetic medium, whereas the other two with sludge ages of 8 and 32 days were fed with landfill leachate. The research revealed that landfill leachate can be effectively treated in an MBR with a higher sludge age for longer periods of time and that this improvement in performance was correlated with an increase in AOB biodiversity. Interestingly, the medium type has a stronger influence on AOB biocenosis formation than the sludge age.

引用

页码：1035 / 1043

页数：9

共 41 条

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