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  • Title: Reclassification of Xylanibacter oryzae Ueki et al. 2006 as Prevotella oryzae comb. nov., with an emended description of the genus Prevotella.
    Author: Sakamoto M, Ohkuma M.
    Journal: Int J Syst Evol Microbiol; 2012 Nov; 62(Pt 11):2637-2642. PubMed ID: 22199207.
    Abstract:
    16S rRNA gene sequence information has indicated that Xylanibacter oryzae has a close relationship with the genus Prevotella. To clarify the taxonomic position of X. oryzae, we determined the sequence of hsp60 as it represents an alternative phylogenetic marker for identification and classification of Gram-negative anaerobic rods. On the basis of hsp60 sequences, X. oryzae was located within the genus Prevotella, indicating that the species does not represent a distinct taxon at the genus level. Statistical tests (the Shimodaira-Hasegawa test and the approximately unbiased test) supported the finding that X. oryzae is monophyletic with members of the genus Prevotella and thus belongs to the genus. On the basis of the phylogenetic findings, we propose that X. oryzae should be reclassified as Prevotella oryzae comb. nov.; the type strain is KB3(T) (=JCM 13648(T) =DSM 17970(T)). An emended description of the genus Prevotella is also provided.
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