国家自然科学基金(30328021)

作品数：4被引量：6H指数：1
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相关期刊：《Journal of Ocean University of China》《High Technology Letters》更多>>
相关主题：CHARACTERIZATIONMUTAGENESISPROBIOTICSSIDEROPHOREMARICULTURE更多>>
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Characterization of a Mutant of Alteromonas aurantia A18 and Its Application in Mariculture被引量：4
《Journal of Ocean University of China》2008年第1期55-59,共5页LI Junfeng CHI Zhenming LI Hongfang WANG Xianghong 
supported by the National Natural Science Foundation of China(Grant No.30328021).
Mutant J61321 with enhanced siderophore production of Alteromonas aurantia AI8 was obtained after a series of chemical-physical mutageneses. It was found that the antibacterial activity against Vibrio anguillarum W-1 ...
关键词：Alteromonas aurantia A18 PROBIOTICS SIDEROPHORE MUTAGENESIS 
Optimization of medium and cultivation conditions for enhanced exopolysaccharide yield by marine Cyanothece sp. 113被引量：1
《Chinese Journal of Oceanology and Limnology》2007年第4期411-417,共7页苏传东 池振明 卢伟东 
the NSFC (No. 30328021)
Cyanothece sp. 113 is a unicellular, aerobic, diazotrophic and photosynthetic marine cyanobacterium. The optimal medium for exopolysaccharide yield by the strain was 70.0 g/L of NaCl, and 0.9 g/L of MgSO4 based on the...
关键词：Cyanothece EXOPOLYSACCHARIDE N2 fixation PHOTOSYNTHESIS marine cyanobacteria 
Overexpression and export of Vibrio anguillarum metalloprotease in Escherichia coil
《High Technology Letters》2007年第1期79-84,共6页张风丽 Chi Zhenming Chen Jixiang Wu Longfei Liang Likun 
Supported by the National Natural Science Foundation of China （ No. 30328021 ）.
Vibrio anguillarum metalloprotease, an extracellular zinc metalloprotease involved in the virulence mechanism of Vibrio anguillarum, is synthesized from the empA gene as a 611-residue precursor and naturally secreted ...
关键词：Vibrio anguillarum metallopmtease OVEREXPRESSION EXPORT TRANSLOCATION Escherichia coli poriplasm 
Alkaline Protease Production by a Strain of Marine Yeasts被引量：1
《Journal of Ocean University of China》2006年第3期263-268,共6页WANG Ping CHI Zhenming MA Chunling 
The authors would like to thank the National Natural Science Foundation of China for providing the financial support for the study （No. 30328021）.
Yeast strain 10 with high yield of protease was isolated from sediments of saltern near Qingdao, China. The protease had the highest activity at pH 9.0 and 45 ℃. The optimal medium for the maximum alkaline protease p...
关键词：marine yeasts alkaline protease FERMENTATION optimal conditions 
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