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Integration of the bacteriophage HP1c1 genome into the Haemophilus influenzae Rd chromosome in the lysogenic state. 1986

A S Waldman, and W P Fitzmaurice, and J J Scocca

Restriction fragments hybridizing to phage HP1c1 DNA were identified in digests of DNA from lysogenic strains of Haemophilus influenzae. The results showed that the cohesive ends of the mature phage DNA were joined in lysogens and that the phage genome was covalently linked to the host DNA, indicating that lysogeny involves recombination between specific sites on the phage and host chromosomes. The site on the phage chromosome at which this recombination occurred was between 110 and 750 base pairs of the left end on the mature phage genome.

UI MeSH Term Description Entries
D008242 Lysogeny The phenomenon by which a temperate phage incorporates itself into the DNA of a bacterial host, establishing a kind of symbiotic relation between PROPHAGE and bacterium which results in the perpetuation of the prophage in all the descendants of the bacterium. Upon induction (VIRUS ACTIVATION) by various agents, such as ultraviolet radiation, the phage is released, which then becomes virulent and lyses the bacterium. Integration, Prophage,Prophage Integration,Integrations, Prophage,Prophage Integrations
D002876 Chromosomes, Bacterial Structures within the nucleus of bacterial cells consisting of or containing DNA, which carry genetic information essential to the cell. Bacterial Chromosome,Bacterial Chromosomes,Chromosome, Bacterial
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D005814 Genes, Viral The functional hereditary units of VIRUSES. Viral Genes,Gene, Viral,Viral Gene
D006193 Haemophilus influenzae A species of HAEMOPHILUS found on the mucous membranes of humans and a variety of animals. The species is further divided into biotypes I through VIII. Bacterium influenzae,Coccobacillus pfeifferi,Haemophilus meningitidis,Hemophilus influenzae,Influenza-bacillus,Mycobacterium influenzae
D001435 Bacteriophages Viruses whose hosts are bacterial cells. Phages,Bacteriophage,Phage

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