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Genotypic responses of bacterial community structure to a mixture of wastewater-borne PAHs and PBDEs in constructed mangrove microcosms
Wang, Yafen1,3,4; Wu, Yan1; Wu, Zhenbin3; Tam, Nora Fung-Yee1,2
2015-11-15
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume298Pages:91-101
AbstractMangrove microcosms capable of removing polycyclic aromatic hydrocarbons (PAHs) and polybrominated diphenyl ethers (PBDEs) from wastewater were established under everyday tidal and non-tidal flooding regimes, along with two different mangrove species. Defining how bacterial communities change with pollutants or across treatments will contribute to understanding the microbial ecology of in situ bioremediation systems. A semi-nested PCR-DGGE (denaturing gradient gel electrophoresis) approach was employed, with known genus/species-specific primers targeting the 16S rRNA genes of Sphingomonas and Mycobacterium (related to PAH degradation) and Dehalococcoides (related to PBDE degradation). Results showed that the composition of Mycobacterium- and Dehalococcoides-like populations was critically determined by tidal regime during a medium-term (4-8 months) exposure, while that of Sphingomonas-like population, along with total bacterial community, was more dependent on sediment layer and became prominently affected by tidal regime till the end of 8-month treatment. The effect of plant species was relatively small. Canonical correspondence analysis (CCA) further revealed that Sphingomonas- and Mycobacterium-like populations were significantly associated with phenanthrene and benzo(a)pyrene, respectively, while Dehalococcoides-like population was the only group significantly related to the highest PBDE congener (BDE-209) in the mangrove microcosms. (C) 2015 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordMangrove Constructed Wetland Pahs And Pbdes Tidal Regime Bacterial Community Analysis Dgge Cca
DOI10.1016/j.jhazmat.2015.05.003
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Engineering, Civil ; Environmental Sciences
WOS IDWOS:000360595800010
WOS KeywordPOLYCYCLIC AROMATIC-HYDROCARBONS ; POLYBROMINATED DIPHENYL ETHERS ; COMPLEX MICROBIAL COMMUNITIES ; GEL-ELECTROPHORESIS ANALYSIS ; 16S RIBOSOMAL-RNA ; REDUCTIVE DEBROMINATION ; MYCOBACTERIUM ; DIVERSITY ; BIODEGRADATION ; DEGRADATION
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27168
Collection水环境工程研究中心_期刊论文
Affiliation1.City Univ Hong Kong, Dept Biol & Chem, Kowloon, Hong Kong, Peoples R China
2.City Univ Hong Kong, State Key Lab Marine Pollut, Kowloon, Hong Kong, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
4.China Univ Geosci, Sch Environm Studies, Wuhan 430074, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yafen,Wu, Yan,Wu, Zhenbin,et al. Genotypic responses of bacterial community structure to a mixture of wastewater-borne PAHs and PBDEs in constructed mangrove microcosms[J]. JOURNAL OF HAZARDOUS MATERIALS,2015,298:91-101.
APA Wang, Yafen,Wu, Yan,Wu, Zhenbin,&Tam, Nora Fung-Yee.(2015).Genotypic responses of bacterial community structure to a mixture of wastewater-borne PAHs and PBDEs in constructed mangrove microcosms.JOURNAL OF HAZARDOUS MATERIALS,298,91-101.
MLA Wang, Yafen,et al."Genotypic responses of bacterial community structure to a mixture of wastewater-borne PAHs and PBDEs in constructed mangrove microcosms".JOURNAL OF HAZARDOUS MATERIALS 298(2015):91-101.
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