[Lysogeny studies of Vibrio cholerae NAG]. 1984

M S Drozhevkina, and T I Kharitonova, and L G Voronezhskaia, and V K Kirdeev

To establish the presence of phages specific for V. cholerae NAG, 673 strains, 166 water samples from ponds and sewage and 674 fecal samples from patients with acute intestinal diseases have been studied; as a result, 54 phage races have been isolated. The occurrence of true lysogeny in V. cholerae NAG has been found to be infrequent (0.9-10% among newly isolated strains). Pseudolysogeny has been detected in 0.75% of the strains under study. Of the total number of truly lysogenic strains of V. cholerae NAG, 10% have been found to carry V. cholerae phages of types I, III, V, VII, IX. The possibility of the simultaneous existence of V. cholerae phages and V. cholerae NAG phages in the environment has been shown. Of the isolated phages, 45 races have no serological relationship with V. cholerae phages, while possessing specific lytic activity with respect to V. cholerae NAG.

UI MeSH Term Description Entries
D007410 Intestinal Diseases Pathological processes in any segment of the INTESTINE from DUODENUM to RECTUM. Disease, Intestinal,Diseases, Intestinal,Intestinal Disease
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
D005243 Feces Excrement from the INTESTINES, containing unabsorbed solids, waste products, secretions, and BACTERIA of the DIGESTIVE SYSTEM.
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000208 Acute Disease Disease having a short and relatively severe course. Acute Diseases,Disease, Acute,Diseases, Acute
D000371 Agglutination The clumping together of suspended material resulting from the action of AGGLUTININS.
D001435 Bacteriophages Viruses whose hosts are bacterial cells. Phages,Bacteriophage,Phage
D012703 Serotyping Process of determining and distinguishing species of bacteria or viruses based on antigens they share. Serotypings
D012722 Sewage Refuse liquid or waste matter carried off by sewers. Sludge,Sludge Flocs
D014734 Vibrio cholerae The etiologic agent of CHOLERA. Bacillus cholerae,Bacillus cholerae-asiaticae,Liquidivibrio cholerae,Microspira comma,Pacinia cholerae-asiaticae,Spirillum cholerae,Spirillum cholerae-asiaticae,Vibrio albensis,Vibrio cholera,Vibrio cholerae-asiaticae,Vibrio comma

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