Canadian Medical Guide > Organisms > Viruses > Bacteriophages > Coliphages Terms and Definitions

Coliphages

Medical Definition:	Viruses whose host is Escherichia coli.
Guide Notes:	GEN or unspecified; prefer specifics

Coliphages Categories.

	Bacteriophage M13 - Temperate bacteriophage of the genus INOVIRUS which infects enterobacteria, especially E. coli. It is a filamentous phage consisting of single-stranded DNA and is circularly permuted.
	Bacteriophage phi X 174 - The type species of the genus MICROVIRUS. A prototype of the small virulent DNA coliphages, it is composed of a single strand of supercoiled circular DNA, which on infection, is converted to a double-stranded replicative form by a host enzyme.
	Bacteriophage PRD1 - Bacteriophage and type species in the genus Tectivirus, family TECTIVIRIDAE. They are specific for Gram-negative bacteria.
	Leviviridae - A family of bacteriophages that infects enterobacteria, CAULOBACTER, and PSEUDOMONAS. The genome consists of linear, positive-sense single-stranded RNA.
	T-Phages - A series of 7 virulent phages which infect E. coli. The T-even phages T2, T4; (BACTERIOPHAGE T4), and T6, and the phage T5 are called "autonomously virulent" because they cause cessation of all bacterial metabolism on infection. Phages T1, T3; (BACTERIOPHAGE T3), and T7; (BACTERIOPHAGE T7) are called "dependent virulent" because they depend on continued bacterial metabolism during the lytic cycle. The T-even phages contain 5-hydroxymethylcytosine in place of ordinary cytosine in their DNA.

Coliphages Medical Definitions and Terms

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