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产乳酸芽孢杆菌RS-1菌株的分离及鉴定
Authors
朱宝成
李术娜
+3 more
王云山
赵曼辰
郭妍妍
Publication date
1 January 2010
Publisher
Abstract
为了得到可以产乳酸的芽孢杆菌,通过加热富集培养及特异性MRS培养基结合溶钙圈的方法,从发酵制品、土样及腐烂水果等样品中分离纯化出15株具有产乳酸能力的芽孢杆菌。将这些菌株进行纯化培养,利用纸层析法和EDTA定钙法进行定性和定量研究,筛选出1株产乳酸能力较高的菌株,命名为RS-1。并对其进行形态鉴定,生理生化鉴定及16S rDNA全序列分析,最终鉴定此菌株为枯草芽孢杆菌(Bacillus subtilis)
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Last time updated on 05/12/2019