DOI: 10.1016/j.marpolbul.2014.04.052
Scopus记录号: 2-s2.0-84906223795
论文题名: Interactive effects of hypoxia and polybrominated diphenyl ethers (PBDEs) on microbial community assembly in surface marine sediments
作者: Chan Y. ; Li A. ; Gopalakrishnan S. ; Shin P.K.S. ; Wu R.S.S. ; Pointing S.B. ; Chiu J.M.Y.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2014
卷: 85, 期: 2 起始页码: 400
结束页码: 409
语种: 英语
英文关键词: Bacterial communities
; Hypoxia
; Marine sediment
; Polybrominated diphenyl ethers
Scopus关键词: Bacteria
; Risk assessment
; Submarine geology
; Bacterial community
; Biogeochemical process
; Gammaproteobacteria
; Hypoxia
; Marine sediments
; Microbial communities
; Microcosm experiments
; Polybrominated diphenyl ether (PBDEs)
; Organic pollutants
; polybrominated diphenyl ether
; diphenyl ether derivative
; flame retardant
; oxygen
; genetics
; hypoxia
; marine sediment
; microbial community
; PBDE
; relative abundance
; species diversity
; Acidobacteria
; Actinobacteria
; Alphaproteobacteria
; article
; Bacteroidetes
; Betaproteobacteria
; Chlorobi
; Chloroflexi
; chloroplast
; controlled study
; Deltaproteobacteria
; Epsilonproteobacteria
; Firmicutes
; Gammaproteobacteria
; gene sequence
; genetic variability
; hypoxia
; microbial community
; microbial genome
; molecular cloning
; nonhuman
; phylogeny
; Planctomycetes
; population abundance
; risk assessment
; sediment
; species diversity
; taxonomy
; Verrucomicrobia
; anaerobic growth
; bacterium
; chemistry
; classification
; drug effects
; environmental monitoring
; Hong Kong
; metabolism
; microbiology
; sediment
; Bacteria (microorganisms)
; Bacteroidetes
; Gammaproteobacteria
; Anaerobiosis
; Bacteria
; Environmental Monitoring
; Flame Retardants
; Geologic Sediments
; Halogenated Diphenyl Ethers
; Hong Kong
; Oxygen
; Phylogeny
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要: Hypoxia alters the oxidation-reduction balance and the biogeochemical processes in sediments, but little is known about its impacts on the microbial community that is responsible for such processes. In this study, we investigated the effects of hypoxia and the ubiquitously dispersed flame-retardant BDE47 on the bacterial communities in marine surface sediments during a 28-days microcosm experiment. Both hypoxia and BDE47 alone significantly altered the bacterial community and reduced the species and genetic diversity. UniFrac analysis revealed that BDE47 selected certain bacterial species and resulted in major community shifts, whereas hypoxia changed the relative abundances of taxa, suggesting slower but nonetheless significant community shifts. These two stressors targeted mostly different taxa, but they both favored Bacteroidetes and suppressed Gammaproteobacteria. Importantly, the impacts of BDE47 on bacterial communities were different under hypoxic and normoxic conditions, highlighting the need to consider risk assessments for BDE47 in a broader context of interaction with hypoxia. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/85330
Appears in Collections: 过去全球变化的重建 全球变化的国际研究计划
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作者单位: Department of Biology, Hong Kong Baptist University, Kowloon, Hong Kong; Auckland University of Technology, School of Applied Sciences, Institute for Applied Ecology New Zealand, Private Bag 92006, Auckland 1142, New Zealand; School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong; Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong
Recommended Citation:
Chan Y.,Li A.,Gopalakrishnan S.,et al. Interactive effects of hypoxia and polybrominated diphenyl ethers (PBDEs) on microbial community assembly in surface marine sediments[J]. Marine Pollution Bulletin,2014-01-01,85(2)