Description of Trichococcus ilyis sp. nov. by combined physiological and in silico genome hybridization analyses
Strepis, Nikolaos and Sánchez-Andrea, Irene and van Gelder, Antonie H. and van Kruistum, Henri and Shapiro, Nicole and Kyrpides, Nikos and Göker, Markus and Klenk, Hans-Peter and Schaap, Peter and Stams, Alfons J. M. and Sousa, Diana Z.,, 66, 3957-3963 (2016),
doi = https://doi.org/10.1099/ijsem.0.001294,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= Species of the genus Trichococcus share high similarity of their 16S rRNA gene sequences (>99 %). Digital DNA–DNA hybridization values (dDDH) among type strains of all described species of the genus Trichococcus ( T. flocculiformis DSM 2094T , T. pasteurii DSM 2381T , T. collinsii DSM 14526T , T. palustris DSM 9172T, and T. patagoniensis DSM 18806T) indicated that Trichococcus sp. strain R210T represents a novel species of the genus Trichococcus . The dDDH values showed a low DNA relatedness between strain R210T and all other species of the genus Trichococcus (23–32%). Cells of strain R210T were motile, slightly curved rods, 0.63–1.40×0.48–0.90 µm and stained Gram-positive. Growth was optimal at pH 7.8 and at temperature of 30 °C. Strain R210T could utilize several carbohydrates, and the main products from glucose fermentation were lactate, acetate, formate and ethanol. The genomic DNA G+C content of strain R210T was 47.9 mol%. Based on morphological, physiological and biochemical characteristics along with measured dDDH values for all species of the genus Trichococcus , it is suggested that strain R210T represents a novel species within the genus Trichococcus , for which the name Trichococcus ilyis sp. nov. is proposed. The type strain is R210T (=DSM 22150T=JCM 31247T).,
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