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单词 Enterobacteria phage lambda
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Enterobacteria phage lambda

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Lambda phage

(重定向自Enterobacteria phage lambda)
 Bacteriophage lambda virion (schematic). Protein names and their copy numbers in the virion particle are shown. The presence of the L and M proteins in the virion is still unclear.[3]
Linear layout of lambda phage genome with major operons, promoter regions and capsid coding genes.[3]
Lambda phage J protein interaction with the LamB porin

Enterobacteria phage λ (lambda phage, coliphage λ) is a bacterial virus, or bacteriophage, that infects the bacterial species Escherichia coli (E. coli). It was discovered by Esther Lederberg in 1950 when she noticed that streaks of mixtures of two E. coli strains, one of which treated with ultraviolet light, was "nibbled and plaqued". This virus has a temperate lifecycle that allows it to either reside within the genome of its host through lysogeny or enter into a lytic phase (during which it kills and lyses the cell to produce offspring).

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更新时间:2025/6/17 2:48:02