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不相容群P的质粒编码了繁殖噬菌体IKe的能力。

Plasmids of incompatibility group P code for the capacity to propagate bacteriophage IKe.

作者信息

Grant R B, Whiteley M H, Shapley A J

出版信息

J Bacteriol. 1978 Nov;136(2):808-11. doi: 10.1128/jb.136.2.808-811.1978.

Abstract

Seven of eight plasmids of incompatibility group P were found to code for the capacity to propagate bacteriophage IKe in Escherichia coli. Six of the seven plasmids allowed propagation of IKe by one bacterial host (RG172) but not by another (RG176); the other plasmid allowed IKe propagation by both hosts. IKe propagation by a number of E. coli K-12 strains was quite variable. IKeh, an extended host range mutant of IKe, was found to plaque specifically on N+ and P+ strains.

摘要

发现不相容性P组的八个质粒中有七个编码在大肠杆菌中传播噬菌体IKe的能力。这七个质粒中的六个允许IKe通过一个细菌宿主(RG172)传播,但不允许通过另一个宿主(RG176)传播;另一个质粒允许IKe在两个宿主中传播。许多大肠杆菌K-12菌株对IKe的传播差异很大。发现IKe的一个宿主范围扩展突变体IKeh在N+和P+菌株上特异性形成噬菌斑。

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本文引用的文献

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