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Enterococcus canintestini sp. nov., from faecal samples of healthy dogs

Sabri M. Naser^1,2, Marc Vancanneyt², Evelyne De Graef³, Luc A. Devriese³, Cindy Snauwaert², Karen Lefebvre², Bart Hoste², Pavel vec⁴, Annemie Decostere³, Freddy Haesebrouck³ and Jean Swings^1,2

¹ Laboratory of Microbiology, Ghent University, K. L. Ledeganckstraat 35, Ghent 9000, Belgium
² BCCM/LMG^TM Bacteria Collection, Ghent University, K. L. Ledeganckstraat 35, Ghent 9000, Belgium
³ Department of Pathology, Bacteriology and Poultry Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B-9820 Merelbeke, Belgium
⁴ Czech Collection of Microorganisms, Faculty of Science, Masaryk University, Tvrdého 14, 602 00 Brno, Czech Republic

Correspondence
Sabri M. Naser
Sabri.Naser{at}Ugent.be

The taxonomic position of strain LMG 13590^T, originally isolated from dog faeces and classified as Enterococcus dispar in the BCCM/LMG Bacteria Catalogue, was reinvestigated. This strain and 12 recent isolates from faecal samples of healthy dogs occupied a clearly separate position when investigated with multilocus sequence analysis (MLSA) of the genes encoding the alpha subunit of ATP synthase (atpA), RNA polymerase alpha subunit (rpoA) and phenylalanyl-tRNA synthase alpha subunit (pheS). The 16S rRNA gene sequence of one representative strain showed highest similarities of 98–99 % with E. dispar LMG 13521^T, Enterococcus canis LMG 12316^T and Enterococcus asini LMG 18727^T. A further polyphasic taxonomic study based on whole-cell protein fingerprinting, DNA–DNA hybridization and biochemical features demonstrated that the 13 enterococcal dog faecal strains represent a single, novel Enterococcus species for which the name Enterococcus canintestini sp. nov. is proposed. The type strain is LMG 13590^T (=CCM 7285^T).

Published online ahead of print on 27 May 2005 as DOI 10.1099/ijs.0.63752-0.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of LMG 13590^T is AJ888906.

A distance matrix tree showing the phylogenetic relationships of E. canintestini sp. nov. and other enterococcal reference species based on 16S rRNA gene sequence comparisons is available as supplementary material in IJSEM Online.

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