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Phylogenetic analysis of bacteria in sea ice brine sampled from the Canada Basin, Arctic Ocean

【标题】Phylogenetic analysis of bacteria in sea ice brine sampled from the Canada Basin, Arctic Ocean

【Title】Phylogenetic analysis of bacteria in sea ice brine sampled from the Canada Basin,Arctic Ocean

【作者】 李会荣; 俞勇; 陈波; 曾胤新; 任大明

【Author】 Li Kuairong ; Yu Yong ; Chen Bo ; Zeng Yinxin ; Ren Daming

【期刊】极地研究

【Journal】

【期刊年份】2006

【卷】17

【期】

【关键词】 sea ice brine; Arctic; bacteria; 16S rDNA; phylogenetic

【Keywords】 sea ice brine; Arctic; bacteria; 16S rDNA; phylogenetic

【摘要】Bacterial diversity in sea ice brine samples which collected from four stations located at the Canada Basin,Arctic Ocean was analyzed by PCR-DGGE.T wenty-three 16S rDNA sequences of bacteria obtained from DGGE bands were cloned and sequenced.Phylogenetic analysis clustered these sequences within γ-prote obacteria, Cytophaga-Flexibacter-Bacteroides (CFB) group, Firmicutes and A ctinobacteria. The phylotype of Pseudoalteromonas in the γ-proteobacteria was predominant and members of the CFB group and γ-proteobacteria were highly abundant in studied sea ice brine samples.

【Abstract】Bacterial diversity in sea ice brine samples which collected from four stations located at the Canada Basin,Arctic Ocean was analyzed by PCR-DGGE.T wenty-three 16S rDNA sequences of bacteria obtained from DGGE bands were cloned and sequenced.Phylogenetic analysis clustered these sequences within γ-prote obacteria, Cytophaga-Flexibacter-Bacteroides (CFB) group, Firmicutes and A ctinobacteria. The phylotype of Pseudoalteromonas in the γ-proteobacteria was predominant and members of the CFB group and γ-proteobacteria were highly abundant in studied sea ice brine samples.

【基金/项目】

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