Characterization of bacteriophage j2 of Salmonella typhi as a generalized transducing phage closely related to coliphage P1. 1981

K Mise, and M Kawai, and Y Yoshida, and A Nakamura

Phage j2, a lysogenic phage in Salmonella typhi J2, was shown to produce tiny plaques on various Vi type strains of S. typhi, to be a generalized transducing phage, and to have many characteristics including a serological one in common with phage P1 of Escherichia coli. Lysogenization of various S. typhi type strains with j2 or P1-group phages usually resulted in the alteration of the phage types of the S. typhi strains, except that phage j2 did not cause alteration of type 53. Phage j2 transduced, at high frequencies, much larger DNA molecules (up to at least 70 megadaltons) than those known to be transduced by Salmonella phage P22: this should prove useful for the genetic analysis of S. typhi.

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
D011815 R Factors A class of plasmids that transfer antibiotic resistance from one bacterium to another by conjugation. R Factor,R Plasmid,R Plasmids,Resistance Factor,Resistance Factors,Factor, R,Factor, Resistance,Factors, R,Factors, Resistance,Plasmid, R,Plasmids, R
D003090 Coliphages Viruses whose host is Escherichia coli. Escherichia coli Phages,Coliphage,Escherichia coli Phage,Phage, Escherichia coli,Phages, Escherichia coli
D000327 Adsorption The adhesion of gases, liquids, or dissolved solids onto a surface. It includes adsorptive phenomena of bacteria and viruses onto surfaces as well. ABSORPTION into the substance may follow but not necessarily. Adsorptions
D000956 Antigens, Viral Substances elaborated by viruses that have antigenic activity. Viral Antigen,Viral Antigens,Antigen, Viral
D001434 Bacteriophage Typing A technique of bacterial typing which differentiates between bacteria or strains of bacteria by their susceptibility to one or more bacteriophages. Phage Typing,Typing, Bacteriophage,Typing, Phage
D012483 Salmonella Phages Viruses whose host is Salmonella. A frequently encountered Salmonella phage is BACTERIOPHAGE P22. Salmonella Bacteriophages,Bacteriophage, Salmonella,Bacteriophages, Salmonella,Salmonella Bacteriophage,Salmonella Phage
D012485 Salmonella typhi A serotype of SALMONELLA ENTERICA which is the etiologic agent of TYPHOID FEVER. Salmonella enterica serovar Typhi,Salmonella typhosa
D014161 Transduction, Genetic The transfer of bacterial DNA by phages from an infected bacterium to another bacterium. This also refers to the transfer of genes into eukaryotic cells by viruses. This naturally occurring process is routinely employed as a GENE TRANSFER TECHNIQUE. Genetic Transduction,Genetic Transductions,Transductions, Genetic

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