Abstract
A novel Gram-stain-negative, motile, and facultative anaerobic coccus, strain ChDC F240T was isolated from human subgingival dental plaque of a gingivitis lesion. The phylogenetic analysis based on the 16S ribosomal RNA gene (16S rDNA) sequence showed that the strain belonged to the genus Lautropia. 16S rDNA of strain ChDC F240T had the highest similarity to that of Lautropia mirabilis ATCC 51599T (98.8%). Major cellular fatty acids of strain ChDC F240T were C16:0 (43.9%) and C16:1ω6C/C16:1ω7C (38.1%). Draft genome of the strain was 3,834,139bp in length and the G+C content was 65.0mol%. Average nucleotide identity and genome-to-genome distance values between strain ChDC F240T and L. mirabilis ATCC 51599T were 81.99% and 28.50% (26.1-30.9%), respectively. These results reveal that strain ChDC F240T is a novel species within the genus Lautropia, for which the name Lautropia dentalis sp. nov. is proposed; type strain is ChDC F240T (= KCOM 2505T = JCM 33297T).
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