INSERTION-SEQUENCE IS1137, A NEW IS3 FAMILY ELEMENT FROM MYCOBACTERIUM-SMEGMATIS

被引：15
作者：
GARCIA, MJ
GUILHOT, C
LATHIGRA, R
MENENDEZ, MC
DOMENECH, P
MORENO, C
GICQUEL, B
MARTIN, C
机构：
[1] INST PASTEUR,GENET MYCOBACTERIENNE UNITE,F-75015 PARIS,FRANCE
[2] HAMMERSMITH HOSP,MRC,TB UNIT,LONDON W12 0HS,ENGLAND
[3] UNIV ZARAGOZA,FAC MED,DEPT MICROBIOL,E-50009 ZARAGOZA,SPAIN
来源：
MICROBIOLOGY-UK | 1994年 / 140卷
关键词：
MYCOBACTERIUM SMEGMATIS; INSERTION SEQUENCES; IS3; FAMILY;
D O I：
10.1099/00221287-140-10-2821
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
A new insertion sequence (IS) has been isolated from Mycobacterium smegmatis. It is 1361 bp long and possesses characteristics of the 153 family elements. It harbours 32 bp imperfect inverted repeats at its extremities and a 3 bp direct repeat flanks the element, possibly as the result of a transposition event. This IS, IS1137, contains three major ORFs. Two of them, ORF A and ORF B show homologies both at the amino acid sequence level and at the organization level with the ORFs encoding the transposase of the 153 family elements. IS1137 has a narrow host range and was found only in M. smegmatis and M. chitae. The fact that IS1137 is not present in the IM. tuberculosis complex strains makes this element a new candidate for transposon mutagenesis in mycobacteria.
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收藏
页码：2821 / 2828
页数：8
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