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Literature DB >> 368597

Repressor synthesis in regulatory mutants of bacteriophage P22.

Abstract

SDS-polyacrylamide gel analysis of P22-infected Salmonella has allowed identification of the c2 repressor (MW 31,000) and study of repressor synthesis in regulatory mutants of P22. Repressor is synthesized in reduced amounts or is absent in infections with P22, clNo.7, P22, c2 am08, P22 c3 am03, and P22 c3 am012, but is synthesized in markedly increased amounts in the virulent mutant, P22 virB3, and its component mutants, vx and k5. Higher levels of repressor are also found in the P22 cly 17 mutant.

Entities: Chemical Disease Species

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Year: 1979 PMID： 368597 DOI： 10.1007/bf00267427

Source DB: PubMed Journal: Mol Gen Genet ISSN： 0026-8925

22 in total

6. Mechanism of head assembly and DNA encapsulation in Salmonella phage p22. I. Genes, proteins, structures and DNA maturation.

Authors: D Botstein; C H Waddell; J King
Journal: J Mol Biol Date: 1973-11-15 Impact factor: 5.469

10. Adenosine 3':5'-cyclic monophosphate concentration in the bacterial host regulates the viral decision between lysogeny and lysis.

Authors: J S Hong; G R Smith; B N Ames
Journal: Proc Natl Acad Sci U S A Date: 1971-09 Impact factor: 11.205

6 in total

6. The immI region of Salmonella phage P22. 2. The influence of the cir mutations on the regulation of antirepressor synthesis.

Authors: H H Prell; J Auer; J Soska
Journal: Mol Gen Genet Date: 1984

6 in total

Repressor synthesis in regulatory mutants of bacteriophage P22.

1. Dual control of lysogeny by bacteriophage P22: an antirepressor locus and its controlling elements.

2. Specificity of genetic elements controlling regulation of early functions in temperate bacteriophages.

3. The role of ant-product of Salmonella phage P22 in the process of transactivation of prophage Px1 genes.

4. Genetics of bacteriophage P22. II. Gene order and gene function.

Review 5. Replication and lysogeny with phage P22 in Salmonella typhimurium.

6. Mechanism of head assembly and DNA encapsulation in Salmonella phage p22. I. Genes, proteins, structures and DNA maturation.

7. Cleavage of structural proteins during the assembly of the head of bacteriophage T4.

8. Mutations of phage P22 affecting phage DNA synthesis and lysogenization.

9. Regulation of Bacteriophage P22 DNA synthesis and repressor levels in P22cly infections.

10. Adenosine 3':5'-cyclic monophosphate concentration in the bacterial host regulates the viral decision between lysogeny and lysis.

1. P22 antirepressor protein prevents in vivo recA-dependent proteolysis of P22 repressor.

2. Kinetics of c2-repressor synthesis in a regulatory defective P22 mutant.

3. Kinetics of P22 early gene expression suggests a cro-like regulatory function.

4. Repression of ant synthesis early in the lytic cycle of phage P22.

5. The immI region of Salmonella phage P22. 1. Characterisation of the mutants P22 cir4-1, P22 cir5-1 and P22 cir6-1.

6. The immI region of Salmonella phage P22. 2. The influence of the cir mutations on the regulation of antirepressor synthesis.