IOCAS-IR  > 实验海洋生物学重点实验室
Particle-attached and free-living bacterial communities in a contrasting marine environment: Victoria Harbor, Hong Kong
Zhang, Rui; Liu, Baozhong; Lau, Stanley C. K.; Ki, Jang-Seu; Qian, Pei-Yuan; Qian, PY, Hong Kong Univ Sci & Technol, Dept Biol & Coastal Marine Lab, Kowloon, Hong Kong, Peoples R China
2007
Source PublicationFEMS MICROBIOLOGY ECOLOGY
ISSN0168-6496
Volume61Issue:3Pages:496-508
AbstractDiversity of particle-attached and free-living marine bacteria in Victoria Harbor, Hong Kong, and its adjacent coastal and estuarial environments was investigated using DNA fingerprinting and clone library analysis. Denaturing gradient gel electrophoresis (DGGE) analysis of 16S rRNA genes showed that bacterial communities in three stations of Victoria Harbor were similar, but differed from those in adjacent coastal and estuarine stations. Particle-attached and free-living bacterial community composition differed in the Victoria Harbor area. DNA sequencing of 28 bands from DGGE gel showed Alphaproteobacteria was the most abundant group, followed by the Bacteroidetes, and other Proteobacteria. Bacterial species richness (number of DGGE bands) differed among stations and populations (particle-attached and free-living; bottom and surface). BIOENV analysis indicated that the concentrations of suspended solids were the major contributing parameter for the spatial variation of total bacterial community structure. Samples from representative stations were selected for clone library (548 clones) construction and their phylogenetic distributions were similar to those of sequences from DGGE. Approximately 80% of clones were affiliated to Proteobacteria, Bacteroidetes and Cyanobacteria. The possible influences of dynamic pollution and hydrological conditions in the Victoria Harbor area on the particle-attached and free-living bacterial community structures were discussed.
KeywordGradient Gel-electrophoresis San-francisco Bay 16s Ribosomal-rna Columbia River Microbial Biogeography Phylogenetic Diversity Salinity Gradient Genetic Diversity Chesapeake Bay Bacterioplankton
Subject AreaMicrobiology
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Indexed Bysci
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/1727
Collection实验海洋生物学重点实验室
Corresponding AuthorQian, PY, Hong Kong Univ Sci & Technol, Dept Biol & Coastal Marine Lab, Kowloon, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Rui,Liu, Baozhong,Lau, Stanley C. K.,et al. Particle-attached and free-living bacterial communities in a contrasting marine environment: Victoria Harbor, Hong Kong[J]. FEMS MICROBIOLOGY ECOLOGY,2007,61(3):496-508.
APA Zhang, Rui,Liu, Baozhong,Lau, Stanley C. K.,Ki, Jang-Seu,Qian, Pei-Yuan,&Qian, PY, Hong Kong Univ Sci & Technol, Dept Biol & Coastal Marine Lab, Kowloon, Hong Kong, Peoples R China.(2007).Particle-attached and free-living bacterial communities in a contrasting marine environment: Victoria Harbor, Hong Kong.FEMS MICROBIOLOGY ECOLOGY,61(3),496-508.
MLA Zhang, Rui,et al."Particle-attached and free-living bacterial communities in a contrasting marine environment: Victoria Harbor, Hong Kong".FEMS MICROBIOLOGY ECOLOGY 61.3(2007):496-508.
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