IOCAS-IR
Bacterial communities fluctuate in abundance and diversity under simulated oil-contaminated seawater conditions
Li Xiaohong1,2; You Cai3; Qu Liang4; Zhou Bin1,2; Tang Xuexi1,2; Xiao Hui1,2
2019-03-01
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume37Issue:2Pages:615-627
Corresponding AuthorXiao Hui(xiaoh28@163.com)
AbstractMarine bacteria have recently been identified as a potent solution for petroleum hydrocarbon degradation in response to hazardous oceanic oil spills. In this study, a mesocosm experiment simulating a petroleum spill event was performed to investigate changes in the abundance, structure, and productivity of bacterial communities in response to oil pollution. Cultured heterotrophic bacteria and total bacteria showed a consistent trend involving an immediate decrease in abundance, followed by a slight increase, and a steady low-level thereafter. However, the changing trend of bacterial productivity based on bacterial biomass and bacterial volume showed the opposite trend. In addition, the density of oil-degrading bacteria increased initially, then subsequently declined. The change in the bacterial community structure at day 0 and day 28 were also analyzed by amplified ribosomal DNA restriction analysis (ARDRA), which indicated that the species diversity of the bacterial community changed greatly after oil pollution. Alphaproteobacteria (40.98%) replaced Epsilonproteobacteria (51.10%) as the most abundant class, and Gammaproteobacteria (38.80%) became the second most dominant class in the whole bacterial community. The bacterial communities in oil-contaminated seawater (32 genera) became much more complex than those found in the natural seawater sample (16 genera). The proportion of petroleum-degrading bacteria in the oil-contaminated seawater also increased. In this study, culture-dependent and culture-independent approaches were combined to elucidate changes in both bacterial productivity and community structure. These findings will contribute to a better understanding of the role that bacteria play in material cycling and degradation in response to oil pollution.
Keywordpetroleum pollution bacterial community bacterial growth amplified ribosomal DNA restriction analysis (ARDRA)
DOI10.1007/s00343-019-8039-7
Indexed BySCI
Language英语
Funding ProjectNSFC-Shandong Joint Fund for Marine Ecology and Environmental Sciences[U1606404] ; Fundamental Research Funds for the Central Universities[201562018] ; Foundation of the Key Laboratory of Marine Spill Oil Identification and Damage Assessment Technology[201108]
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000464895600020
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161204
Collection中国科学院海洋研究所
Corresponding AuthorXiao Hui
Affiliation1.Ocean Univ China, Coll Marine Life Sci, Qingdao 266003, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Shandong, Peoples R China
4.CNOOC Ltd, Tianjin Branch, Tianjin 300459, Peoples R China
Recommended Citation
GB/T 7714
Li Xiaohong,You Cai,Qu Liang,et al. Bacterial communities fluctuate in abundance and diversity under simulated oil-contaminated seawater conditions[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2019,37(2):615-627.
APA Li Xiaohong,You Cai,Qu Liang,Zhou Bin,Tang Xuexi,&Xiao Hui.(2019).Bacterial communities fluctuate in abundance and diversity under simulated oil-contaminated seawater conditions.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,37(2),615-627.
MLA Li Xiaohong,et al."Bacterial communities fluctuate in abundance and diversity under simulated oil-contaminated seawater conditions".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 37.2(2019):615-627.
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