| Taxonomy Citation ID | Reference | ||||
|---|---|---|---|---|---|
| 55335 |
Jeon HH,
Kim KH,
Chun BH,
Ryu BH,
Han NS,
Jeon CO,
( 2017 ) A proposal of Leuconostoc mesenteroides subsp. jonggajibkimchii subsp. nov. and reclassification of Leuconostoc mesenteroides subsp. suionicum (Gu et al., 2012) as Leuconostoc suionicum sp. nov. based on complete genome sequences. PMID : 28671527 DOI : 10.1099/ijsem.0.001930 Abstract >>
The type strains of four subspecies of Leuconostocmesenteroides, L. mesenteroidessubsp. mesenteroides, L. mesenteroidessubsp. cremoris, L. mesenteroidessubsp. dextranicum and L. mesenteroidessubsp. suionicum, and strain DRC1506T, used as a starter culture for commercial kimchi production in Korea, were phylogenetically analyzed on the basis of their complete genome sequences. Although the type strains of the four L. mesenteroides subspecies and strain DRC1506T shared very high 16S rRNA gene sequence similarities (>99.72 %), the results of analysis of average nucleotide identity (ANI), in silico DNA-DNA hybridization (DDH) and core-genome-based relatedness indicated that they could form five different phylogenetic lineages. The type strains of L. mesenteroidessubsp. mesenteroides, L. mesenteroidessubsp. cremoris and L. mesenteroidessubsp. dextranicum and DRC1506T shared higher ANI and in silico DDH values than the thresholds (95-96 % and 70 %, respectively) generally accepted for different species delineation, whereas the type strain of L. mesenteroidessubsp. suionicum (DSM 20241T) shared lower ANI (<94.1 %) and in silico DDH values (<57.0 %) with the other four L. mesenteroides lineage strains, indicating that DSM 20241T couldn be reclassified as representing a different species. Here, we report that DRC1506T represents a novel subspecies within the species Leuconostoc mesenteroides, for which the name Leuconostoc mesenteroidessubsp. jonggajibkimchii subsp. nov. is proposed. The type strain is DRC1506T (=KCCM 43249T=JCM 31787T). In addition, L. mesenteroidessubsp. suionicum is also reclassified as Leuconostoc suionicum. sp. nov. (type strain DSM 20241T=ATCC 9135T=LMG 8159T=NCIMB 6992T).
|
38968 |
Gu CT,
Wang F,
Li CY,
Liu F,
Huo GC,
( 2012 ) Leuconostoc mesenteroides subsp. suionicum subsp. nov. PMID : 21856976 DOI : 10.1099/ijs.0.031203-0 Abstract >>
Strains LMG 8159 and LMG 11499 were reclassified by a polyphasic approach, including 16S rRNA gene sequence analysis, 16S-23S rRNA intergenic spacer (IGS) sequence analysis, (GTG)(5)-PCR fingerprinting, RAPD fingerprinting, fatty acid methyl ester analysis and an analysis of phenotypic features using API 50 CH. The two strains were closely related to the type strains of the three defined subspecies of Leuconostoc mesenteroides, showing 99.7-99.9% 16S rRNA gene sequence similarity, 99.2% 16S-23S rRNA gene intergenic spacer sequence similarity, 97.1-97.4% pheS gene sequence similarity and 98.0-98.2% rpoA gene sequence similarity. Low atpA gene sequence similarity (91.4-91.7%), (GTG)(5)-PCR fingerprinting, RAPD fingerprinting, fatty acid compositions and phenotypic features allowed us to differentiate strains LMG 8159 and LMG 11499 from all established subspecies within L. mesenteroides. Based upon the data obtained in the present and previous studies, a novel subspecies is proposed within the species L. mesenteroides, Leuconostoc mesenteroides subsp. suionicum subsp. nov., with the type strain LMG 8159(T) (=ATCC 9135(T) =DSM 20241(T) =NCIMB 6992(T)).
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