| タイトル |
Lactobacillus yilanensis sp. nov., Lactobacillus bayanensis sp. nov., Lactobacillus keshanensis sp. nov., Lactobacillus kedongensis sp. nov., Lactobacillus baiquanensis sp. nov., Lactobacillus jidongensis sp. nov., Lactobacillus hulinensis sp. nov., Lactobacillus mishanensis sp. nov. and Lactobacillus zhongbaensis sp. nov., isolated from Chinese traditional pickle and yogurt.
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| Abstract |
Fourteen Gram-stain-positive bacterial strains were isolated from Chinese traditional pickle and yogurt. The strains were characterised using a polyphasic taxonomic approach, including 16S rRNA gene sequence analysis, pheS gene sequence analysis, rpoA gene sequence analysis, determination of DNA G+C content, determination of average nucleotide identity, fatty acid methyl ester analysis and an analysis of phenotypic features. The data demonstrated that the fourteen strains represented nine novel species belonging to the genus Lactobacillus, strains 54-2T, 54-5T, 33-7T, 116-2T, 184-8T, 204-8T, 8-1(1)T, 256-3T and M1575T were designated as the type strains. Strain 54-2T was phylogenetically related to the type strains of Lactobacillus composti and Lactobacillus floricola, having 96.5 and 91.6 % 16S rRNA gene sequence similarities, less than 74.6 % pheS gene sequence similarities, less than 81.6 % rpoA gene sequence similarities and less than 72.5 % ANI values. Strain 54-5T was phylogenetically related to the type strains of Lactobacillus dextrinicus and Lactobacillus concavus, exhibiting 99.1 and 97.3 % 16S rRNA gene sequence similarities, less than 83.1 % pheS gene sequence similarities, less than 93.1 % rpoA gene sequence similarities and less than 79.9 % ANI values. Strains 33-7T, 116-2T, 184-8T, 204-8T, 8-1(1)T, 256-3T and M1575T were phylogenetically related to the type strains of Lactobacillus tucceti, Lactobacillus nodensis, Lactobacillus insicii, Lactobacillus allii, Lactobacillus metriopterae, Lactobacillus terrae, Lactobacillus versmoldensis and Lactobacillus furfuricola, sharing 95.6-100 % 16S rRNA gene sequence similarities, less than 91.6 % pheS gene sequence similarities, less than 98.2 % rpoA gene sequence similarities and less than 89.4 % ANI values. Based upon the data of polyphasic characterisation obtained in the present study, nine novel species, Lactobacillus yilanensis sp. nov., Lactobacillus bayanensis sp. nov., Lactobacillus keshanensis sp. nov., Lactobacillus kedongensis sp. nov., Lactobacillus baiquanensis sp. nov., Lactobacillus jidongensis sp. nov., Lactobacillus hulinensis sp. nov., Lactobacillus mishanensis sp. nov. and Lactobacillus zhongbaensis sp. nov., are proposed and the type strains are 54-2T (=NCIMB 15154T=CCM 8896T=KCTC 21120T=LMG 31058T), 54-5T (=NCIMB 15151T=CCM 8894T), 33-7T (=NCIMB 15153T=CCM 8936T=KCTC 21118T=LMG 31166T), 116-2T (=NCIMB 15158T=CCM 8899T=KCTC 21124T=LMG 31051T), 184-8T (=NCIMB 15152T=CCM 8895T=KCTC 21131T=LMG 31050T), 204-8T (=NCIMB 15159T=CCM 8900T=KCTC 21133T=LMG 31054T), 8-1(1)T (=NCIMB 15156T=CCM 8898T=KCTC 21115T=LMG 31047T), 256-3T (=NCIMB 15160T=CCM 8901T=LMG 31048T) and M1575T (=NCIMB 15149T=CCM 8892T=LMG 31045T), respectively.
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