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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/1765

Title: Correlation of Pathogenicity and Calcium dependency of Yersinia pseudotuberculosis and Yersinia Enterocolitica with their plasmid content
Authors: Salamah, Ali Abdullah
Keywords: Pathogenicity
Calcium Dependency
Yersinia pseudotuberculosis
Yersinia Enterocolitica
Their Plasmid Content
Botany
Issue Date: 1990
Publisher: King Saud University
Citation: Journal of King Saud University. Science:2 (1);13-19
Abstract: Derivatives of Yersinia pseudotuberculosis and Y. enteroco/itica were selected by surface plat-ing of the wild type strains on blood agar base containing MgClz and sodium oxalate (magnesium oxalate agar). Some of these derivatives lacked the 42 megadalton (Mdal) plasmid and possess the 36 Mdal plas-mid. whereas. others lacked both kinds of plasmid. Lack of calcium dependency for growth at 37*C and lack of pathogenicity of the derivatives were demonstrated aI1d indicated that the genetic information for calcium dependency and pathogenicity was carried on the 42 Mdal plasmid of the two species. Whereas, the role (roles) of 36 Mdal plasmid (if any) were not obvious.
URI: http://hdl.handle.net/123456789/1765
Appears in Collections:Journal of the King Saud University - Science

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