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The Journal of Medical Microbiology, Vol 47, Issue 9 791-797, Copyright © 1998 by Society for General Microbiology
JOURNAL ARTICLE |
P. B. Crichton, D. C. Old and H. F. Morphy
Department of Medical Microbiology, University of Dundee Medical School, Ninewells Hospital.
The copy number and genetic location of IS200 have provided evidence of strain relatedness in many serotypes of Salmonella. In this study, 100 isolates of the related serotypes Livingstone (6,7:d:l,w) and Eimsbuettel (6,7,14:d:l,w), representing 10 ribotype/biotype (RT/BT) groups isolated from human and non-human sources in seven countries over a 26-year period, were examined for their IS200 profiles. The distribution of IS200 in strains of these serotypes was limited, being present in all 53 isolates of ribotype 1 (RT1) and its variant type RT6, in one of five isolates of RT5 but in none of 42 isolates of RTs 2, 3 or 4. Although the seven IS200 profiles identified in RT1 isolates were of little value for further discrimination within different biotype groups, they were extremely valuable for confirming serotype: isolates of RT1/BT8/IS200 profile A (or its variants) and those of RT1/BT3/IS200 profile B (or its variants) were almost invariably associated with serotypes Livingstone and Eimsbuettel, respectively.
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D. C. Old, S. C. Rankin, and P. B. Crichton Assessment of Strain Relatedness among Salmonella Serotypes Salinatis, Duisburg, and Sandiego by Biotyping, Ribotyping, IS200 Fingerprinting, and Pulsed-Field Gel Electrophoresis J. Clin. Microbiol., June 1, 1999; 37(6): 1687 - 1692. [Abstract] [Full Text] |
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