AI Article Synopsis
- - The study characterizes strain 1DS3-10T, a new species of Gram-positive, endospore-forming bacteria found in the rice rhizosphere, through a detailed approach that includes phylogenetic analysis and biochemical profiling.
- - Phylogenetic comparisons indicated that strain 1DS3-10T is closely related to established Bacillus species, showing high sequence similarity with several type strains, confirming its placement in the Bacillus genus.
- - Based on genetic, biochemical, and physiological tests, the new species is named Bacillus oryzisoli sp. nov., with its type strain designated as 1DS3-10T.
Article Abstract
The taxonomy of strain 1DS3-10T, a Gram-staining-positive, endospore-forming bacterium isolated from rice rhizosphere, was investigated using a polyphasic approach. Phylogenetic analysis based on 16S rRNA gene sequences demonstrated that the novel strain was grouped with established members of the genus Bacillus and appeared to be closely related to the type strains Bacillus benzoevorans DSM 5391T (97.9 %), Bacillus circulans DSM 11T (97.7 %), Bacillus novalis JCM 21709T (97.3 %), Bacillus soli JCM 21710T (97.3 %), Bacillus oceanisediminis CGMCC 1.10115T (97.3 %) and BacillusnealsoniiFO-92T (97.1 %). The fatty acid profile of strain 1DS3-10T, which showed a predominance of iso-C15 : 0 and anteiso-C15 : 0, supported the allocation of the strain to the genus Bacillus. The predominant menaquinone was MK-7 (100 %). The major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol and unknown aminolipids. Cell-wall peptidoglycan contained meso-diaminopimelic acid. DNA-DNA hybridization values between strain 1DS3-10T and the type strains of closely related species were 25-33 %, which supported that 1DS3-10T represented a novel species in the genus Bacillus. The results of some physiological and biochemical tests also allowed the phenotypic differentiation of strain 1DS3-10T from the most closely related recognized species. On the basis of the phylogenetic and phenotypic evidence, strain 1DS3-10T represents a novel species of the genus Bacillus, for which the name Bacillus oryzisoli sp. nov. is proposed. The type strain of the novel species is 1DS3-10T (=ACCC 19781T=DSM 29761T).
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| http://dx.doi.org/10.1099/ijsem.0.001215 | DOI Listing |
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Bacillus oryzisoli sp. nov., isolated from rice rhizosphere.
Int J Syst Evol Microbiol
September 2016
Key Laboratory of Microbial Resources Collection and Preservation, Ministry of Agriculture, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China.
Article Synopsis
- - The study characterizes strain 1DS3-10T, a new species of Gram-positive, endospore-forming bacteria found in the rice rhizosphere, through a detailed approach that includes phylogenetic analysis and biochemical profiling.
- - Phylogenetic comparisons indicated that strain 1DS3-10T is closely related to established Bacillus species, showing high sequence similarity with several type strains, confirming its placement in the Bacillus genus.
- - Based on genetic, biochemical, and physiological tests, the new species is named Bacillus oryzisoli sp. nov., with its type strain designated as 1DS3-10T.
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