3 TANDEMLY REPEATED STRUCTURAL GENES ENCODING TRNA(F1)(MET) IN THE METZ OPERON OF ESCHERICHIA-COLI K-12

被引:19
作者
KENRI, T [1 ]
IMAMOTO, F [1 ]
KANO, Y [1 ]
机构
[1] KYOTO PHARMACEUT UNIV,INST MOLEC & CELLULAR BIOL PHARMACEUT SCI,DEPT MOLEC GENET,YAMASHINA KU,KYOTO 607,JAPAN
关键词
RECOMBINANT DNA; METY GENES; SPACER REGION; FORMYLMETHIONYL-TRANSFER-RNA; RECA-DEPENDENT RECOMBINATION; MULTICOPY PLASMID;
D O I
10.1016/0378-1119(94)90821-4
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
The metZ operon of Escherichia coli K-12 consists of three tandemly repeated structural genes encoding tRNA(f1)(Met) separated by two well-conserved spacer sequences. A multicopy plasmid carrying an intact metZ operon is unstable, deleting tRNA(f1)(Met)-coding regions by RecA-dependent recombination during cell growth.
引用
收藏
页码:261 / 262
页数:2
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