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一株产聚羟基脂肪酸酯根瘤菌rhizobiumsp.h2-5的筛选与鉴定

DOI: 10.3724/SP.J.1145.2013.00375, PP. 375-378

Keywords: 聚羟基脂肪酸酯,根瘤菌,菌种筛选,菌株鉴定

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Abstract:

聚羟基脂肪酸酯(polyhydroxyalkanoates,phas)是微生物产生的胞内能量和碳源储藏性物质,因其可以作为生物塑料具有完全可生物降解性而倍受关注.本研究从自然界中取样,经过富集培养、尼罗蓝荧光显色、苏丹黑染色、提取发酵产物红外光谱和元素分析等,筛选到一株聚羟基脂肪酸酯产生菌.通过形态观察、生理生化试验以及16srdna分子鉴定,确定该菌为根瘤菌rhizobiumsp.h2-5.图4参20

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