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混合感染的枯草芽孢杆菌中的显性关系。

Dominance relationships in mixedly infected Bacillus subtilis.

作者信息

Palefski S, Hemphill H E, Kolenbrander P E, Whiteley H R

出版信息

J Virol. 1972 Apr;9(4):594-601. doi: 10.1128/JVI.9.4.594-601.1972.

Abstract

The progeny released from Bacillus subtilis cells mixedly infected with bacteriophages beta22, SP82, and SP02(c1) have been studied at varying multiplicities of infection and orders of addition and with different host strains of the bacterium. In B. subtilis 168, SP02(c1) was subordinate to both SP82 and beta22 and did not yield significant numbers of progeny even when added 5 min before the superior phage. Dominance in mixed infections of beta22 and SP82 was host-dependent. In B. subtilis 168, SP82 was dominant and greatly reduced the yield of beta22 if added simultaneously or before the subordinate partner. However, in the same mixed infection in B. subtilis SB11, beta22 was the dominant phage and totally suppressed the production of SP82 even when added 5 min after the latter.

摘要

对枯草芽孢杆菌细胞被噬菌体β22、SP82和SP02(c1)混合感染后释放的子代进行了研究,研究涉及不同的感染复数、添加顺序以及该细菌的不同宿主菌株。在枯草芽孢杆菌168中,SP02(c1)从属于SP82和β22,即使在优势噬菌体之前5分钟添加,也不会产生大量子代。β22和SP82混合感染中的优势情况取决于宿主。在枯草芽孢杆菌168中,SP82占主导地位,如果与从属噬菌体同时添加或在其之前添加,会大大降低β22的产量。然而,在枯草芽孢杆菌SB11的相同混合感染中,β22是优势噬菌体,即使在SP82之后5分钟添加,也能完全抑制SP82的产生。

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Mutual exclusion between related phages.相关噬菌体之间的互斥作用。
J Bacteriol. 1952 Feb;63(2):209-17. doi: 10.1128/jb.63.2.209-217.1952.

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