Complete genome sequence of Marinomonas arctica BSI20414, a giant antifreeze protein-producing bacterium isolated from Arctic sea ice

Liao Li; Gao Shanhui; Xu Yi; Su Shiyuan; Wen Jiao; Yu Yong; Chen Bo

首页> 外文期刊>Marine genomics >Complete genome sequence of Marinomonas arctica BSI20414, a giant antifreeze protein-producing bacterium isolated from Arctic sea ice

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Complete genome sequence of Marinomonas arctica BSI20414, a giant antifreeze protein-producing bacterium isolated from Arctic sea ice

机译：Marinomonas Arctica Bsi20414的完全基因组序列，一种从北极海冰分离的巨型防冻蛋白生成细菌

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Sea ice in the polar oceans is a dynamic and challenging environment for life to survive, with extreme gradients of temperature, salinity and nutrients etc., as well as formation of ice crystals. Bacteria surviving in sea ice attract broad attention from academia and industry, due to fascinating mechanisms for adaptation. Here we described the complete genome sequence of Marinomonas arctica BSI20414, isolated from Arctic sea ice. The strain tolerated high salinity and low temperature. Genetic features commonly related to adaptation to oxidative stress, osmotic stress and cold stress were detected in the genome. In addition, a large adhesion protein containing a putative antifreeze protein (AFP) domain was detected in the genome, similar with the giant AFP MpIBP from M. primoryensis. The presence of the putative AFP could facilitate M. arctica BSI20414 to bind to sea ice for favorable conditions and protect it from freezing. The genome sequence and the AFP reported here can provide insights into adaptation to sea ice and can be explored further for biotechnological applications.

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来源
《Marine genomics》 |2021年第1期|共4页
作者
Liao Li; Gao Shanhui; Xu Yi; Su Shiyuan; Wen Jiao; Yu Yong; Chen Bo;
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作者单位

MNR Key Lab Polar Sci Polar Res Inst China 451 Jinqiao Rd Shanghai 200136 Peoples R China;

MNR Key Lab Polar Sci Polar Res Inst China 451 Jinqiao Rd Shanghai 200136 Peoples R China;

Univ Shanghai Sci &

Technol Sch Med Instrument &

Food Engn Shanghai 200093 Peoples R China;

MNR Key Lab Polar Sci Polar Res Inst China 451 Jinqiao Rd Shanghai 200136 Peoples R China;

MNR Key Lab Polar Sci Polar Res Inst China 451 Jinqiao Rd Shanghai 200136 Peoples R China;

MNR Key Lab Polar Sci Polar Res Inst China 451 Jinqiao Rd Shanghai 200136 Peoples R China;

MNR Key Lab Polar Sci Polar Res Inst China 451 Jinqiao Rd Shanghai 200136 Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类遗传学;
关键词
Sea ice; Marinomonas; AFP; Antifreeze protein; Genome;

机译：海冰;马林诺莫纳;AFP;防冻蛋白;基因组;

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Complete genome sequence of Marinomonas arctica BSI20414, a giant antifreeze protein-producing bacterium isolated from Arctic sea ice

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