产多种活性物质的噬几丁质属菌株ZLX3的筛选及鉴定
Screening and identification of Chitinophaga ZLX3 that can produce various active substances
作者:刘冰花;杨林;袁管明;蒲小龙;梁炼国;
Author:
收稿日期: 年卷(期)页码:2014,29(05):-542-544
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:噬几丁质属;抗生素;抗凝;溶栓;筛选;鉴定
Key words:
基金项目:四川省教育厅重点项目(No.12ZA207)
中文摘要
目的筛选可产生多种生物活性物质的噬几丁质属Chitinophaga菌株。方法采用VY/4平板法从兔粪、羊粪、泥土、朽木等样品中筛选目的菌株;用滤纸片法检测抗菌活性;用纤维蛋白平板法检测溶栓活性;用纤维蛋白原平板法检测抗凝活性;用形态学特征、理化性质、16S rRNA序列同源性鉴定目的菌株。结果从朽木样品中分离到一株可同时产生广谱抗生素和抗血栓活性物质的ZLX3菌株,其分泌的胞外液具明显的广谱抗菌作用和溶栓抗凝活性;结合形态学、理化性质、16S rRNA序列同源性及进化树分析,发现ZLX3菌株属于Chitinophaga属,将其命名为Chitinophaga sp.ZLX3。结论 ZLX3菌株可产生广谱抗生素和抗凝溶栓活性物质。
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