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J Bacteriol. 1973 July; 115(1): 307-315
Copyright © 1973 American Society for Microbiology. All Rights Reserved.

Molecular Relationships Among the Salmonelleae

J. H. Crosa1, D. J. Brenner, W. H. Ewing and S. Falkow

a Division of Biochemistry, Walter Reed Army Institute of Research, Washington, D.C. 20012; Center for Disease Control, Atlanta, Georgia 30333; and Department of Microbiology, University of Washington, Seattle, Washington 98195

ABSTRACT

Polynucleotide sequence relatedness studies were carried out to determine the extent of divergence present in members of the tribe Salmonelleae and between salmonellae and other enteric bacteria. Typical Salmonella were 85 to 100% related. Two groups of biochemically atypical Salmonella showed somewhat lower binding to typical salmonellae and to each other. Arizona were 70 to 80% related to salmonellae. Two groups of Arizona were detected. These groups correlated with the presence of monophasic or diphasic flagellar antigens. Salmonella and Arizona were no more related to Citrobacter than to Escherichia coli (45-55%). Relatedness of Salmonella and Arizona to other enterobacteria ranged from 20 to 40% with klebsiellae and shigellae, to 20 to 25% with erwiniae, and to less than 20% with edwardsiellae and Proteus mirabilis.


FOOTNOTES

1 Present address: Department of Microbiology, University of Washington, Seattle, Wash. 98195.


J Bacteriol. 1973 July; 115(1): 307-315
Copyright © 1973 American Society for Microbiology. All Rights Reserved.




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