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Development of a Novel Micro-Aerobic Cultivation Strategy for High Potential CotA Laccase Production
Samak, Nadia A.1,2,3; Hu, Jianhua1,2,3; Wang, Kefeng1,2,3; Guo, Chen1,2; Liu, Chunzhao1,2
2018-03-01
发表期刊WASTE AND BIOMASS VALORIZATION
ISSN1877-2641
卷号9期号:3页码:369-377
摘要Recently, bacterial laccases has drawn researchers' interest due to their ability to overcome high pH and salt concentration conditions compared to fungal laccases. Here we report a novel micro-aerobic cultivation strategy for enhancing CotA laccase expression and study its application for dye decolorization. Micro-aerobic cultivation of Escherichia coli BL21 (DE3) strain carrying pT7-FLAG-MAT-TAG-1-CotA had significantly enhanced CotA laccase activity up to 13903 U/L. The most unique findings of this investigation are that micro-aerobic cultivation strategy enhanced the reactive oxygen species production which consequently led to the over expression of CotA laccase gene. Malachite green, Crystal violet, Congo red and Bromophenol blue were efficiently decolorized by using purified CotA laccase without presence of any mediators at pH 6 and 9. These results provide a great platform for the dynamic production and application of bacterial laccase in industry.
关键词Bacillus Subtilis Bacterial Laccase Cota Iptg Micro-aerobic Condition Ros
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1007/s12649-016-9824-6
收录类别SCI
语种英语
关键词[WOS]RECOMBINANT ESCHERICHIA-COLI ; GENE-EXPRESSION ; BACILLUS-LICHENIFORMIS ; OXIDATIVE STRESS ; WASTE-WATER ; DECOLORIZATION ; CLONING ; DYES ; PROTEINS ; ACCUMULATION
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
项目资助者National Key Technology Research and Development Program of China(2015BAK45B01) ; National Natural Science Foundation of China(21476242) ; National Basic Research Program (973 Program) of China(2013CB733600) ; Chinese Government
WOS记录号WOS:000425332300004
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24027
专题生化工程国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Samak, Nadia A.,Hu, Jianhua,Wang, Kefeng,et al. Development of a Novel Micro-Aerobic Cultivation Strategy for High Potential CotA Laccase Production[J]. WASTE AND BIOMASS VALORIZATION,2018,9(3):369-377.
APA Samak, Nadia A.,Hu, Jianhua,Wang, Kefeng,Guo, Chen,&Liu, Chunzhao.(2018).Development of a Novel Micro-Aerobic Cultivation Strategy for High Potential CotA Laccase Production.WASTE AND BIOMASS VALORIZATION,9(3),369-377.
MLA Samak, Nadia A.,et al."Development of a Novel Micro-Aerobic Cultivation Strategy for High Potential CotA Laccase Production".WASTE AND BIOMASS VALORIZATION 9.3(2018):369-377.
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