Proteolytic cleavage of bacteriophage lambda repressor in induction. | Zendy

Jeffrey W. Roberts | Zendy; Charles W.M. Roberts | Zendy

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Proteolytic cleavage of bacteriophage lambda repressor in induction.

Author(s) -

Jeffrey W. Roberts,

Charles W.M. Roberts

Publication year - 1975

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.011

H-Index - 771

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.72.1.147

Subject(s) - lysogen , lysogenic cycle , repressor , bacteriophage , prophage , lambda phage , cleavage (geology) , biology , microbiology and biotechnology , gene , escherichia coli , chemistry , genetics , gene expression , paleontology , fracture (geology)

The bacteriophage lambda repressor, a protein that maintains the lysogenic state of a bacterium containing a lambda prophage, is cleaved when the lysogen is induced by mitomycin C or ultraviolet light. This cleavage does not occur when induction is prevented by mutational alteration either of the phage repressor or of the host recA gene product. Proteolytic cleavage may be the primary mechanism of repressor inactivation in this induction pathway, or it may follow a different event which causes the initial inactivation.

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