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Preliminary genome analysis of psychrotolerant marine bacteriumPseudoalteromonassp. BSw20308 reveals its potential applications

【标题】Preliminary genome analysis of psychrotolerant marine bacteriumPseudoalteromonassp. BSw20308 reveals its potential applications

【Title】Preliminary genome analysis of psychrotolerant marine bacteriumPseudoalteromonassp. BSw20308 reveals its potential applications

【DOI】10.3724/SP.J.1085.2013.00195

【作者】 QIAO Zongyun; 曾胤新; 俞勇; 李会荣; 罗玮

【Author】 Zeng Yinxin ; Yu Yong ; Li Kuairong ; Luo Wei

【期刊】极地研究

【Journal】ADVANCES IN POLAR SCIENCE

【期刊年份】2013

【卷】24

【期】4

【关键词】 Pseudoalteromonas; genome; enzyme; application

【Keywords】 Pseudoalteromonas; genome; enzyme; application

【摘要】 The genusPseudoalteromonasis ubiquitous in the marine environment and can synthesize a wide range of extracellular compounds. PsychrotolerantPseudoalteromonassp. BSw20308 was isolated from the Chukchi Sea, a marginal sea of the Arctic Ocean. It produces a number of extracellular enzymes that can degrade polysaccharides and proteins. The BSw20308 genome was sequenced to 38.1-fold coverage, and the sequences were assembled into 146 contigs (≥500 bp). In total, 4 172 open reading frames (ORFs) with an average gene length of 987 bp were detected. At least 86 ORFs were predicted by sequence analysis to encode a variety of catalytic modules involved in the degradation of polysaccharides, proteins, and lipids. In addition, 36 ORFs were predicted to encode catalytic modules involved in the degradation of organic pollutants and halogenated compounds, and in the production of bioactive compounds. The draft genome sequence of BSw20308 provides new information about the ecological function and adaptation of the genusPseudoalteromonasin Arctic marine environments, and also indicates its potential applications in the biotechnology industries (e.g., enzymology, and pollutant degradation).

【Abstract】 The genusPseudoalteromonasis ubiquitous in the marine environment and can synthesize a wide range of extracellular compounds. PsychrotolerantPseudoalteromonassp. BSw20308 was isolated from the Chukchi Sea, a marginal sea of the Arctic Ocean. It produces a number of extracellular enzymes that can degrade polysaccharides and proteins. The BSw20308 genome was sequenced to 38.1-fold coverage, and the sequences were assembled into 146 contigs (≥500 bp). In total, 4 172 open reading frames (ORFs) with an average gene length of 987 bp were detected. At least 86 ORFs were predicted by sequence analysis to encode a variety of catalytic modules involved in the degradation of polysaccharides, proteins, and lipids. In addition, 36 ORFs were predicted to encode catalytic modules involved in the degradation of organic pollutants and halogenated compounds, and in the production of bioactive compounds. The draft genome sequence of BSw20308 provides new information about the ecological function and adaptation of the genusPseudoalteromonasin Arctic marine environments, and also indicates its potential applications in the biotechnology industries (e.g., enzymology, and pollutant degradation).

【基金/项目】 极地海洋上层生态系统中玫瑰杆菌支系的多样性及生态功能分析 ; 站基生物生态环境本底考察 ; 南极环境综合分析与评价

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