DISTRIBUTION OF THE CORA MG(2+) TRANSPORT-SYSTEM IN GRAM-NEGATIVE BACTERIA

被引:44
|
作者
SMITH, RL
MAGUIRE, ME
机构
[1] Department of Pharmacology, School of Medicine, Case Western Reserve University, Cleveland, OH 44106-4965
关键词
D O I
10.1128/jb.177.6.1638-1640.1995
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The CorA Mg2+ transport system is the dominant constitutive uptake mechanism in Salmonella typhimurium and Escherichia coli. Southern blot hybridization and PCR techniques were used to screen a panel of 18 additional gram-negative bacterial species for corA homologs. Virtually all strains tested positive for the presence of corA. Thus, corA appears to be ubiquitous within gram-negative bacteria and is likely their major Mg2+ influx system.
引用
收藏
页码:1638 / 1640
页数:3
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