%0 Journal Article
%T EFFECT OF PHOSPHATE ON COLICIN V FORMATION BY STRAINS OF ESCHERICHIA COLI<br>磷酸盐对V族大肠杆菌素形成的影响
%A Hu Yanmin Zong Shuyan Li Zhiru
%A <br>胡彦民
%A 宗书燕
%A 李志茹
%J 微生物学通报
%D 1992
%I 
%X ColV~+ strains of Escherichia coli produced larger inhibitory zones when these strains grown on nutrient agar containing phosphate after overlaid sensitive indicators. This appears that production of colicin V is increased by the addition of phosphate to nutrient agar. It was sure that stimulation of phosphate to colicin V formation results from its effect in reducing divalent cation levels in nutrient agar since adding EDTA to nutrient agar had the same effect as phosphate, but the addition of Mg~(2+) or Ca~(2+) had the oppsite effect. Therefore nutrient agar supplemented with phosphate can be used to isolate and identificate ColV~+ strains of E. coli.
%K Colicin
%K Inhibitory zone
%K Phosphate<br>大肠杆菌素
%K 抑菌圈
%K 磷酸盐
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=78024727B5F4EF6AA9CA8E605B5FC464&aid=3A3DB193C5EE0F934ECF908CC430DD45&yid=F53A2717BDB04D52&vid=2A8D03AD8076A2E3&iid=CA4FD0336C81A37A&journal_id=0253-2654&journal_name=微生物学通报&referenced_num=0&reference_num=0