FREQUENCY OF DELETION FORMATION DECREASES EXPONENTIALLY WITH DISTANCE BETWEEN SHORT DIRECT REPEATS

被引:74
作者
CHEDIN, F [1 ]
DERVYN, E [1 ]
DERVYN, R [1 ]
EHRLICH, SD [1 ]
NOIROT, P [1 ]
机构
[1] INRA, GENET MICROBIENNE LAB, F-78352 JOUY EN JOSAS, FRANCE
关键词
D O I
10.1111/j.1365-2958.1994.tb01042.x
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The effect of distance between 18 bp direct repeats on deletion formation has been examined in Bacillus subtilis. The deletion frequency decreased exponentially by more than 1000-fold as the distance increased from 33 to 2313 bp. This decrease occurred in two distinct phases, which may be determined by DNA-duplex flexibility A similar relationship between deletion formation and distance was observed in a theta-replicating plasmid and in the chromosome, indicating that this relationship might have a general validity.
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页码:561 / 569
页数:9
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