Frederiksenia

Kuhnert, Peter; Christensen, Henrik; Bisgaard, Magne; Korczak, Bozena M. (2020). Frederiksenia. In: Whitman, William B.; Kämpfer, Peter (eds.) Bergey's Manual of Systematics of Archaea and Bacteria (pp. 1-4). Chichester, UK: John Wiley 10.1002/9781118960608.gbm01847

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The description of Frederiksenia is based on the characterization of 24 strains from five European countries and were mainly isolated from dogs and human dog‐bite wounds. The strains were previously classified as Bisgaard taxon 16 and formed a phenotypically and genetically homogenous group within the family Pasteurellaceae. The genus is phenotypically similar to Pasteurella, but phylogenetically forms a clearly separated monophyletic branch based on 16S rRNA, rpoB, infB, and recN gene sequences. Frederiksenia showed closest genetic relationship with Bibersteinia trehalosi. Predicted genome similarity values based on the recN gene sequences between taxon 16 isolates and the type strains of type species of known genera of Pasteurellaceae were below the genus level. Furthermore, MALDI‐TOF clearly separated it from all other genera of Pasteurellaceae, showing a characteristic peak combination. The genus is currently formed by a single species Frederiksenia canicola. Major whole‐cell fatty acids for the type strain of this species are C14:0, C16:0, C18:0, and C16:1 ω7c/C15:0 iso 2OH. Major respiratory quinones are menaquinone‐8, ubiquinone‐8, and demethylmenaquinone‐8.

DNA G + C content (mol%): 42.6 by genome analysis of the type strain DSM 25797T.

Type species: Frederiksenia canicola Korczak et al. 2014, VL158.

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