Candidates of quorum sensing bacteria in activated sludge associated with N-acyl homoserine lactones

被引：32
|
作者：
Panchavinin, Smarch [1 ]
Tobino, Tomohiro [2 ,3 ]
Hara-Yamamura, Hiroe [4 ]
Matsuura, Norihisa [5 ]
Honda, Ryo [5 ]
机构：
[1] Kanazawa Univ, Grad Sch Nat Sci & Technol, Dept Environm Design, Kanazawa, Ishikawa 9201192, Japan
[2] Univ Tokyo, Grad Sch Engn, Dept Urban Engn, Tokyo 1138656, Japan
[3] Univ Tokyo, Collaborat Res Inst Innovat Microbiol, Tokyo 1138657, Japan
[4] Kanazawa Univ, Res Ctr Sustainable Energy & Technol, Kanazawa, Ishikawa 9201192, Japan
[5] Kanazawa Univ, Fac Geosci & Civil Engn, Kanazawa, Ishikawa 9201192, Japan
来源：
CHEMOSPHERE | 2019年 / 236卷
关键词：
Quorum sensing signal molecules; Fourier-transform mass spectrometry (FTMS); Microbial community analysis; Next-generation sequencing (NGS); 16S rRNA gene; WASTE-WATER TREATMENT; BIOFOULING CONTROL; QUENCHING BACTERIA; MEMBRANE BIOREACTOR; SIGNAL MOLECULES; COMMUNITY; REACTOR; LOCUS; PLANT;
D O I：
10.1016/j.chemosphere.2019.07.023
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study aimed to explore candidates of microbial groups which is associated with quorum sensing in activated sludge. Activated sludge samples were collected from three wastewater treatment plants (WWTP) to analyze N-acyl homoserine lactone (AHL) by Fourier-transform mass spectrometry (FTMS) and 16S rRNA-based microbial community. Among activated sludge samples taken at 3 WWTPs in different seasons, 2 AHL species of N-3-hydroxyoctanoyl-L-homoserine lactone and N-3-hydroxydecanoyl-L-homoserine lactone were detected in the range of ranged of 0.1 ng/L to 1.6 ng/L. The detected AHL species were not dependent on treatment systems nor seasons. From microbial community analysis, population abundance of one strain in Verrucomicrobia and two strains in Holophagaceae had high correlation with AHL concentration in activated sludge. Comamonadaceae had also moderately correlated population with AHL concentrations among quorum sensing bacteria reported previously. (C) 2019 Elsevier Ltd. All rights reserved.
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页数：7
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