Abstract:
:Eleven strains from hamster of Bisgaard taxa 23 and 24, also referred to as Krause's groups 2 and 1, respectively, were investigated by a polyphasic approach including data published previously. Strains showed small, regular and circular colonies with smooth and shiny appearance, typical of members of the family Pasteurellaceae. The strains formed two monophyletic groups based on 16S rRNA gene sequence comparison to other members of the family Pasteurellaceae. Partial rpoB sequencing as well as published data on DNA-DNA hybridization showed high genotypic relationships within both groups. Menaquinone 7 (MK7) was found in strains of both groups as well as an unknown ubiquinone with shorter chain length than previously reported for any other member of the family Pasteurellaceae. A new genus with one species, Mesocricetibacter intestinalis gen. nov., sp. nov., is proposed to accommodate members of taxon 24 of Bisgaard whereas members of taxon 23 of Bisgaard are proposed to represent Cricetibacter osteomyelitidis gen. nov., sp. nov. Major fatty acids of type strains of type species of both genera are C(14:0), C(14:0) 3-OH/iso-C(16:1) I, C(16:1)ω7c and C(16:0). The two genera are clearly separated by phenotype from each other and from existing genera of the family Pasteurellaceae. The type strain of Mesocricetibacter intestinalis is HIM 933/7(T) ( =Kunstyr 246/85(T) =CCUG 28030(T) =DSM 28403(T)) while the type strain of Cricetibacter osteomyelitidis is HIM943/7(T) ( =Kunstyr 507/85(T) =CCUG 36451(T) =DSM 28404(T)).
journal_name
Int J Syst Evol Microbiolauthors
Christensen H,Nicklas W,Bisgaard Mdoi
10.1099/ijs.0.067470-0subject
Has Abstractpub_date
2014-11-01 00:00:00pages
3636-3643issue
Pt 11eissn
1466-5026issn
1466-5034journal_volume
64pub_type
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