Stable current outputs and phytate degradation by yeast-based biofuel cell

被引：22

作者：

Hubenova, Yolina ^{[1
]}

Georgiev, Danail ^{[1
]}

Mitov, Mario ^{[2
]}

机构：

[1] Paisii Hilendarski Univ Plovdiv, Dept Biochem & Microbiol, Plovdiv 4000, Bulgaria

[2] South West Univ Neofit Rilski, Dept Chem, Blagoevgrad, Bulgaria

来源：

YEAST | 2014年 / 31卷 / 09期

关键词：

biofuel cell; yeast; biocatalysts; electricity generation; phytase activity; bioremediation; FUEL-CELL; GEOBACTER-SULFURREDUCENS; ELECTRICITY-GENERATION; ELECTRON-TRANSFER; REMOVAL;

D O I：

10.1002/yea.3027

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In this paper, we report for the first time that Candida melibiosica 2491 yeast strain expresses enhanced phytase activity when used as a biocatalyst in biofuel cells. The polarization also results in an increase of the yeast biomass. Higher steady-state electrical outputs, assigned to earlier production of an endogenous mediator, were achieved at continuous polarization under constant load. The obtained results prove that the C. melibiosica yeast-based biofuel cell could be used for simultaneous electricity generation and phytate bioremediation. In addition, the higher phytase activity obtained by interruptive polarization suggests a new method for increasing the phytase yield from microorganisms. Copyright (C) 2014 John Wiley & Sons, Ltd.

引用

页码：343 / 348

页数：6

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