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Genetic mapping of the Salmonella typhimurium pncB locus.

The nicotinic acid phosphoribosyltransferase locus pncB was located on the Salmonella typhimurium linkage map counterclockwise relative to pyrC. P22 and P1 transductional analyses revealed linkage of pncB with aroA and pyrD, indicating a pncB map position of approximately 20 map units. The results of these cotransduction experiments also indicated that the genetic map distance between gal and pyrD is greater than the published 2.2 map units.[1]


  1. Genetic mapping of the Salmonella typhimurium pncB locus. Foster, J.W., Holley, E.A. J. Bacteriol. (1981) [Pubmed]
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