Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ibiod.2021.105200
Title: Evaluation and comparison of the microbial consortia enriched by gamma-caprolactone and N-Acyl homoserine lactones for effective quorum sensing disruption
Authors: Xu, Boyan
NG TZE CHIANG,ALBERT 
HUANG SHUJUAN 
Varjani, Sunita
NG HOW YONG 
Keywords: Science & Technology
Life Sciences & Biomedicine
Biotechnology & Applied Microbiology
Environmental Sciences
Environmental Sciences & Ecology
AHLs
Fungi
Quorum quenching consortia
Substrate specificity
Issue Date: 1-Apr-2021
Publisher: ELSEVIER SCI LTD
Citation: Xu, Boyan, NG TZE CHIANG,ALBERT, HUANG SHUJUAN, Varjani, Sunita, NG HOW YONG (2021-04-01). Evaluation and comparison of the microbial consortia enriched by gamma-caprolactone and N-Acyl homoserine lactones for effective quorum sensing disruption. International Biodeterioration & Biodegradation 159. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ibiod.2021.105200
Abstract: This study proposed and compared 3 novel quorum quenching consortia (QQC) composed of abundant quorum quenching (QQ) candidates including bacteria and fungi for effective quorum sensing disruption, which were isolated by mixtures of N-Acyl homoserine lactones (AHLs) and gamma-caprolactone (GCL). AHLs removal analysis indicated that different QQC could efficiently remove specific AHLs. When utilizing AHLs, the growth rates of QQC isolated by the mixtures of AHLs were significantly higher than those utilizing acetate. It congruously suggested that these QQC had higher substrate specificities towards AHLs, indicating their sustainable QQ performance, as compared to that of the QQC enriched by GCL. There was a clear shift in the microbial community diversity and composition among QQC, which were implicated by the structure differences among GCL and AHLs as substrates in the enrichment culture. The different community assemblages within QQC were the main determinants accounting for the diverse QQ performance. Collectively, these findings offered inspiring implications for sustainable QQ bioaugmentation and biostimulation applications in membrane bioreactors (MBRs).
Source Title: International Biodeterioration & Biodegradation
URI: https://scholarbank.nus.edu.sg/handle/10635/194751
ISSN: 0964-8305
1879-0208
DOI: 10.1016/j.ibiod.2021.105200
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