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  • Title: Comparative chemotaxonomic and phylogenetic studies on the genus Arcanobacterium Collins et al. 1982 emend. Lehnen et al. 2006: proposal for Trueperella gen. nov. and emended description of the genus Arcanobacterium.
    Author: Yassin AF, Hupfer H, Siering C, Schumann P.
    Journal: Int J Syst Evol Microbiol; 2011 Jun; 61(Pt 6):1265-1274. PubMed ID: 20622055.
    Abstract:
    The results of a study comparing the chemotaxonomic characteristics and phylogenetic positions of members of the genus Arcanobacterium indicated that the genus was not monophyletic and, therefore, was in need of taxonomic revision. Phylogenetically, the genus Arcanobacterium consisted of two distinct lines; a group comprising the species Arcanobacterium haemolyticum (the type species of the genus), A. hippocoleae, A. phocae and A. pluranimalium and a robust group consisting of the species A. abortisuis, A. bernardiae, A. bialowiezense, A. bonasi and A. pyogenes. On the basis of 16S rRNA signature nucleotide comparisons and menaquinone and phospholipid compositions, it is proposed that of these nine species only four, A. haemolyticum, A. hippocoleae, A. phocae and A. pluranimalium, should be affiliated with the genus Arcanobacterium and the species A. abortisuis, A. bernardiae, A. bialowiezense, A. bonasi and A. pyogenes should be reclassified as members of a new genus, Trueperella, as Trueperella abortisuis comb. nov., Trueperella bernardiae comb. nov., Trueperella bialowiezensis comb. nov., Trueperella bonasi comb. nov. and Trueperella pyogenes comb. nov. Positive results in Christie-Atkins-Munch-Petersen (CAMP) tests on A. haemolyticum, A. hippocoleae, A. phocae and A. pluranimalium also supported the rearrangement of the nine species in to separate genera. As such, an emended description of the genus Arcanobacterium is provided.
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