Genetic analysis of plasmid determinants for microcin J25 production and immunity

被引:90
作者
Solbiati, JO [1 ]
Ciaccio, M [1 ]
Farias, RN [1 ]
Salomon, RA [1 ]
机构
[1] UNIV NACL TUCUMAN, DEPT BIOQUIM NUTR, INSIBIO, CONSEJO NACL INVEST CIENTIFICAS & TECNICA, RA-4000 SAN MIGUEL DE TUCUMAN, TUCUMAN, ARGENTINA
关键词
D O I
10.1128/jb.178.12.3661-3663.1996
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Microcin J25 (MccJ25) is a small peptide antibiotic produced by an Escherichia coli strain isolated from human feces. The genetic determinants for MccJ25 synthesis and immunity have been cloned from the low-copy-number wild-type plasmid pTUC100 into the compatible vectors pBR322 and pACYC184. Physical and phenotypical analysis of insertion mutations and complementation tests defined three contiguous genes involved in MccJ25 production which span a region of about 2.2 kb. immunity to the antibiotic is provided by an additional gene adjacent to the production region.
引用
收藏
页码:3661 / 3663
页数:3
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