| Taxonomy Citation ID | Reference | ||||
|---|---|---|---|---|---|
| 49608 |
Stropko SJ,
Pipes SE,
Newman JD,
( 2014 ) Genome-based reclassification of Bacillus cibi as a later heterotypic synonym of Bacillus indicus and emended description of Bacillus indicus. PMID : 25142211 DOI : 10.1099/ijs.0.068205-0 Abstract >>
While characterizing a related strain, it was noted that there was little difference between the 16S rRNA gene sequences of Bacillus indicus LMG 22858(T) and Bacillus cibi DSM 16189(T). Phenotypic characterization revealed differences only in the utilization of mannose and galactose and slight variation in pigmentation. Whole genome shotgun sequencing and comparative genomics were used to calculate established phylogenomic metrics and explain phenotypic differences. The full, genome-derived 16S rRNA gene sequences were 99.74% similar. The average nucleotide identity (ANI) of the two strains was 98.0%, the average amino acid identity (AAI) was 98.3%, and the estimated DNA-DNA hybridization determined by the genome-genome distance calculator was 80.3%. These values are higher than the species thresholds for these metrics, which are 95%, 95% and 70%, respectively, suggesting that these two strains should be classified as members of the same species. We propose reclassification of Bacillus cibi as a later heterotypic synonym of Bacillus indicus and an emended description of Bacillus indicus.
|
13173 |
Yoon JH,
Lee CH,
Oh TK,
( 2005 ) Bacillus cibi sp. nov., isolated from jeotgal, a traditional Korean fermented seafood. PMID : 15774653 DOI : 10.1099/ijs.0.63208-0 DOI : 10.1099/ijs.0.63208-0 Abstract >>
A Gram-variable, motile, endospore-forming, halotolerant bacillus, strain JG-30(T), was isolated from the traditional Korean fermented seafood jeotgal, and was subjected to a polyphasic taxonomic study. This organism grew optimally at 37 degrees C and in the presence of 0-1 % (w/v) NaCl. 16S rRNA gene sequence analysis showed that strain JG-30(T) forms a distinct phylogenetic lineage within the evolutionary radiation encompassed by the genus Bacillus. Strain JG-30(T) was characterized chemotaxonomically as having cell-wall peptidoglycan based on meso-diaminopimelic acid, MK-7 as the predominant menaquinone and iso-C(15 : 0) and iso-C(14 : 0) as the major fatty acids. The DNA G+C content was 45 mol%. Strain JG-30(T) exhibited levels of 16S rRNA gene sequence similarity of less than 95.7 % to Bacillus species with validly published names. On the basis of its phenotypic properties and phylogenetic distinctiveness, strain JG-30(T) (=KCTC 3880(T)=DSM 16189(T)) was classified within the genus Bacillus as a novel species, for which the name Bacillus cibi sp. nov. is proposed.
|
12485 |
Suresh K,
Prabagaran SR,
Sengupta S,
Shivaji S,
( 2004 ) Bacillus indicus sp. nov., an arsenic-resistant bacterium isolated from an aquifer in West Bengal, India. PMID : 15280316 DOI : 10.1099/ijs.0.03047-0 Abstract >>
Strain Sd/3T (=MTCC 4374T=DSM 15820T), an arsenic-resistant bacterium, was isolated from a sand sample obtained from an arsenic-contaminated aquifer in Chakdah district in West Bengal, India (23 degrees 3' N 88 degrees 35' E). The bacterium was Gram-positive, rod-shaped, non-motile, endospore-forming and yellowish-orange pigmented. It possessed all the characteristics that conform to the genus Bacillus, such as it had A4beta murein type (L-orn-D-Asp) peptidoglycan variant, MK-7 as the major menaquinone and iso-C15 : 0 and anteiso-C15 : 0 as the major fatty acids. Based on its chemotaxonomic and phylogenetic characteristics, strain Sd/3T was identified as a species of the genus Bacillus. It exhibited maximum similarity (95%) at the 16S rRNA gene level with Bacillus cohnii; however, DNA-DNA similarity with B. cohnii was 60.7%. Strain Sd/3T also exhibited a number of phenotypic differences from B. cohnii (DSM 6307T). These data suggest that Sd/3T represents a novel species of the genus Bacillus. The name Bacillus indicus sp. nov. is proposed.
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