大肠杆菌K-12的recL152突变体中的二聚体切除和修复复制补丁大小
Dimer excision and repair replication patch size in recL152 mutant of Escherichia coli K-12.
作者信息
Rothman R H
出版信息
J Bacteriol. 1978 Oct;136(1):444-8. doi: 10.1128/jb.136.1.444-448.1978.
Abstract
Dimers are excised slowly in a recL152 mutant. This observation is not an artifact of altered DNA degradation because degradation is the same in recL+ and recL strains. The repair patch size was measured by the bromodeoxyuridine-313 nm radiation photolysis technique. In the recL+ strain, the average patch size was found to be about 30 nucleotides in length, but in the recL mutant, it was about 360.
摘要
在recL152突变体中，二聚体切除缓慢。这一观察结果并非DNA降解改变的假象，因为recL+和recL菌株中的降解情况相同。通过溴脱氧尿苷-313nm辐射光解技术测量修复补丁大小。在recL+菌株中，发现平均补丁大小约为30个核苷酸长，但在recL突变体中，约为360个核苷酸长。
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