Abe Kota, Yuki Masahiro, Imagawa Yumiko, Hisatomi Atsushi, Ohkuma Moriya, Sakamoto Mitsuo, Noda Satoko
Graduate School of Science and Engineering, Ibaraki University, Mito, Ibaraki 310-8512, Japan.
Microbe Division/Japan Collection of Microorganisms, RIKEN BioResource Research Center, Tsukuba, Ibaraki 305-0074, Japan.
Int J Syst Evol Microbiol. 2025 Jun;75(6). doi: 10.1099/ijsem.0.006803.
The genus was proposed by Schleifer . by separating from the genus . Although the family consists of four genera, each genus contains a relatively small number of species, with the exception of the genus , which contains more than 100 species. The genera and currently comprise 26 species and a single species, respectively. This study evaluated the taxonomy of the genus based on the 16S rRNA gene phylogeny, core-genome phylogeny and (conserved) pairwise average amino acid identity. These evaluations clearly indicated that the genus could be divided into two genus-level clusters, and we propose to reclassify this genus into two; the authentic , which includes the group, and a novel genus for which the name is proposed. Three lactic acid bacterial strains, RyT2, OfM1 and OfM2, were isolated from the gut of termites in Okinawa, Japan. Based on the combination of genetic and phenotypic data, we conclude that these isolates represent two novel species of the genera and , respectively, for which we propose the names sp. nov. (RyT2=JCM 36015=DSM 118067) and sp. nov. (OfM1=JCM 34431=DSM 118066, OfM2=JCM 34432), respectively.
该属由施莱弗提出，通过将其与某属分离而来。尽管该科由四个属组成，但每个属包含的物种数量相对较少，除了某属包含100多个物种。某属和某属目前分别包含26个物种和1个物种。本研究基于16S rRNA基因系统发育、核心基因组系统发育和（保守的）成对平均氨基酸同一性对某属的分类进行了评估。这些评估清楚地表明，某属可分为两个属级聚类，我们建议将该属重新分类为两个；正宗的某属，包括某组，以及一个新属，为此提出了某名称。从日本冲绳白蚁肠道中分离出三株乳酸菌菌株，RyT2、OfM1和OfM2。基于遗传和表型数据的结合，我们得出结论，这些分离株分别代表某属和某属的两个新物种，为此我们分别提出名称某新种（RyT2 = JCM 36015 = DSM 118067）和某新种（OfM1 = JCM 34431 = DSM 118066，OfM2 = JCM 34432）。
