COMPARATIVE-ANALYSIS OF SPONTANEOUS MITOTIC RECOMBINATION IN [CIR0] AND [CIR+] STRAINS OF THE YEAST SACCHAROMYCES-CEREVISIAE

被引：2
作者：
PUSHNOVA, EA [1 ]
BULAT, SA [1 ]
KOROLEV, VG [1 ]
机构：
[1] ST PETERSBURG NUCL PHYS INST, DEPT MOLEC & RADIAT BIOPHYS, GENET EUKARYOT LAB, GATCHINA, USSR
来源：
CURRENT GENETICS | 1992年 / 22卷 / 04期
关键词：
YEAST; 2-MU-M PLASMID; MITOTIC RECOMBINATION; COINCIDENT CONVERSION;
D O I：
10.1007/BF00317918
中图分类号：
Q3 [遗传学];
学科分类号：
071007 ; 090102 ;
摘要：
The influence of the 2-mu-m plasmid on homologous recombination in the right arm of chromosome XV of the yeast Saccharomyces cerevisiae has been examined. No differences between spontaneous mitotic recombination rates in [cir0] and [cir+] derivatives of two yeast diploid tester strains were detected. In the course of analysis an unusually high coincident conversion frequency at ADE2, HIS3, and two RFLP loci adjacent to ADE2, was observed. The character of coincident homozygotization of linked markers argues for a "break-and-replicate" mechanism underlying the coincident conversion events.
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页码：259 / 265
页数：7
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