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Two novel species Enterococcus lemanii sp nov and Enterococcus eurekensis sp nov., isolated from a swine-manure storage pit

Journal article
Authors M. A. Cotta
T. R. Whitehead
Enevold Falsen
Edward R.B. Moore
P. A. Lawson
Published in Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology
Volume 103
Issue 1
Pages 89-98
ISSN 0003-6072
Publication year 2013
Published at Institute of Biomedicine
Pages 89-98
Language en
Links dx.doi.org/10.1007/s10482-012-9789-...
https://gup.ub.gu.se/file/96721
Keywords Enterococci, 16S rRNA, Phylogeny, Taxonomy, Manure, Swine
Subject categories Microbiology in the medical area

Abstract

A polyphasic taxonomic study using morphological, biochemical, chemotaxonomic and molecular genetic methods was performed on six strains of unknown Gram-positive, nonspore-forming, facultative anaerobic coccus-shaped bacteria isolated from a swine-manure storage pit. On the basis of the 16S rRNA, RNA polymerase alpha-subunit (rpoA) and 60 kDa chaperonin (cpn60) gene sequence analyses, it was shown that all the isolates were enterococci but formed two separate lines of descent. Pairwise 16S rRNA gene sequence comparisons demonstrated that the two novel organisms were most closely related to each other (97.9 %) and to Enterococcus aquimarinus (97.8 %). Both organisms contained major amounts of C-16:0, C-16:1 omega 7c, C-16:1 omega 7c, and C-18:1 omega 7c/12t/9t as the major cellular fatty acids. Based on biochemical, chemotaxonomic and phylogenetic evidence, the names Enterococcus lemanii sp. nov. (type strain PC32(T) = CCUG 61260(T) = NRRL B-59661(T)) and Enterococcus eurekensis sp. nov. (type strain PC4B(T) = CCUG 61259(T) = NRRL B-59662(T)) are proposed for these hitherto undescribed species.

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