1. Ornithinicoccus soli sp. nov., isolated from farmland soil.
- Author
-
Jiang WK, Gao QQ, Zhang L, Sun GJ, Zhang ML, Liu XA, Wang H, Zhou YD, Ke ZJ, and Hong Q
- Subjects
- Actinobacteria isolation & purification, Bacterial Typing Techniques, Base Composition, China, DNA, Bacterial genetics, Fatty Acids chemistry, Nucleic Acid Hybridization, Peptidoglycan chemistry, Phospholipids chemistry, RNA, Ribosomal, 16S genetics, Sequence Analysis, DNA, Vitamin K 2 analogs & derivatives, Vitamin K 2 chemistry, Actinobacteria classification, Farms, Phylogeny, Soil Microbiology
- Abstract
A Gram-stain-positive, aerobic, non-motile and coccoid-shaped bacterium, designated XNB-1
T , was isolated from farmland soil in Taian, Shandong province, China. Strain XNB-1T contained iso-C15 : 0 and iso-C16 : 0 as the predominant fatty acids. The diagnostic diamino acid of the peptidoglycan was ornithine, and the interpeptide bridge was l-Orn←Gly(1, 2) ←d-Glu. The polar lipid profile of strain XNB-1T consisted of diphosphatidylglycerol, phosphatidylglycerol, an unidentified phosphoglycolipid and three unidentified phospholipids. The predominant menaquinone of strain XNB-1T was MK-8(H4 ) and the DNA G+C content was 70.1 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain XNB-1T belonged to the genus Ornithinicoccus , and shared the highest similarity with Ornithinicoccus hortensis HKI 0125T (96.0 %), followed by Ornithinicoccus halotolerans EGI 80423T (95.5 %). Genome-based analysis of average nucleotide identity of strain XNB-1T with O. hortensis HKI 0125T and O. halotolerans EGI 80423T yielded values of 73.1 and 73.3 %, respectively, while the digital DNA-DNA hybridization values were 19.5 and 19.9 %, respectively. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain XNB-1T is considered to represent a novel species of the genus Ornithinicoccus , for which the name Ornithinicoccus soli sp. nov. is proposed. The type strain is XNB-1T (=CCTCC AB 2019099T =KCTC 49259T ).- Published
- 2020
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