1985•International Journal of Systematic BacteriologyRequires access
Reclassification of the Genus Pasteurella Trevisan 1887 on the Basis of Deoxyribonucleic Acid Homology, with Proposals for the New Species Pasteurella dagmatis, Pasteurella canis, Pasteurella stomatis, Pasteurella anatis, and Pasteurella langaa
Reinier Mutters, P. IHM, S Pohl, Wilhelm Frederiksen, W. Mannheim
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Abstract
Deoxyribonucleic acid (DNA)-DNA hybridization was used to determine the genetic relationships among a variety of previously established or proposed species of Pasteurella and their positions within the family Pasteurellaceae Pohl 1981. Our results indicated that the genus Pasteurella sensu stricto, which can be separated from the Actinobacillus group, consists of at least the following 11 species: Pasteurella multocida, with three subspecies (P. multocida subsp. multocida, P. multocida subsp. septica, and P. multocida subsp. gallicida); Pasteurella dagmatis sp. nov., containing organisms previously labeled Pasteurella “gas,” Pasteurella new species 1, or Pasteurella pneumotropica type Henriksen; Pasteurella gallinarum; Pasteurella canis sp. nov., previously labeled P. multocida biotype 6 or “dog type” strains; Pasteurella stomatis sp. nov., which contains Pasteurella strains isolated from dogs and cats; Pasteurella avium (Hinz and Kunjara) Mutters et al. 1985; Pasteurella volantium Mutters et al. 1985, a new species consisting of V-factor-requiring strains that occur in humans and birds; Pasteurella anatis sp. nov.; Pasteurella langaa sp. nov., containing strains previously designated taxa 1 and 4 of Bisgaard; and two new species, which were provisionally designated Pasteurella species A and Pasteurella species B. The previously recognized taxa Pasteurella ureae, Pasteurella haemolytica biotypes A and T, Pasteurella testudinis, and P. pneumotropica biotypes Jawetz and Heyl do not belong to the genus Pasteurella but are more closely related to the Actinobacillus group. The exact taxonomic positions of Pasteurella aerogenes, P. multocida biotype 1, group HB-5, “Pasteurella piscicida,” the SP group, and the bovine lymphangitis group are still unknown, but these organisms do not belong to the genus Pasteurella.