How could haloalkaliphilic microorganisms contribute to biotechnology?

文献类型： 外文期刊

第一作者： Zhao, Baisuo

作者： Zhao, Baisuo;Yan, Yanchun;Chen, Shulin

作者机构：

关键词： haloalkaliphile;compatible solutes;secondary metabolites;exoenzymes;biodegradation and (or) biotransformation;biofuel industry

期刊名称：CANADIAN JOURNAL OF MICROBIOLOGY （ 影响因子：2.419； 五年影响因子：2.35 ）

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年卷期：

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收录情况： SCI

摘要： Haloalkaliphiles are microorganisms requiring Na+ concentrations of at least 0.5 mol . L-1 and an alkaline pH of 9 for optimal growth. Their unique features enable them to make significant contributions to a wide array of biotechnological applications. Organic compatible solutes produced by haloalkaliphiles, such as ectoine and glycine betaine, are correlated with osmoadaptation and may serve as stabilizers of intracellular proteins, salt antagonists, osmoprotectants, and dermatological moisturizers. Haloalkaliphiles are an important source of secondary metabolites like rhodopsin, polyhydroxyalkanoates, and exopolysaccharides that play essential roles in biogeocycling organic compounds. These microorganisms also can secrete unique exoenzymes, including proteases, amylases, and cellulases, that are highly active and stable in extreme haloalkaline conditions and can be used for the production of laundry detergent. Furthermore, the unique metabolic pathways of haloalkaliphiles can be applied in the biodegradation and (or) biotransformation of a broad range of toxic industrial pollutants and heavy metals, in wastewater treatment, and in the biofuel industry.

分类号： Q93

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