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TRANSMISSION OF INFECTIOUS RESISTANCE OF PASTEURELLA
W. Napp, G. Lebek
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Abstract
Investigations on the R-infection of strains of various Pasteurella species made it possible to establish the R-infection of all species tested. One difference between the Pasteurella species, such as P. pseudotuberculosis, P. pestis, and Pasteurella 'X', respectively, the other Pasteurella species which are not related to them, such as P. multocida, P. haemolytica, P. pneumotropica, and P. anatipestifer -- which might be categorized among the family of the Enterobacteriaceae, consisted in the fact that the two first-named species and Pasteurella 'X' accepted the R-factors with a higher frequency than the other Pasteurella species. R-infected strains of all Pasteurella species transferred the R-factor to an acceptor (recipient) strain.