論文 - 詳細
| RRC ID | 66619 |
|---|---|
| 著者 | Benndorf R, Schwitalla JW, Martin K, de Beer ZW, Vollmers J, Kaster AK, Poulsen M, Beemelmanns C. |
| タイトル | Nocardia macrotermitis sp. nov. and Nocardia aurantia sp. nov., isolated from the gut of the fungus-growing termite Macrotermes natalensis. |
| ジャーナル | Int J Syst Evol Microbiol |
| Abstract |
The taxonomic positions of two novel aerobic, Gram-stain-positive Actinobacteria, designated RB20T and RB56T, were determined using a polyphasic approach. Both were isolated from the fungus-farming termite Macrotermes natalensis. Results of 16S rRNA gene sequence analysis revealed that both strains are members of the genus Nocardia with the closest phylogenetic neighbours Nocardia miyunensis JCM12860T (98.9 %) and Nocardia nova DSM44481T (98.5 %) for RB20T and Nocardia takedensis DSM 44801T (98.3 %), Nocardia pseudobrasiliensis DSM 44290T (98.3 %) and Nocardia rayongensis JCM 19832T (98.2 %) for RB56T. Digital DNA-DNA hybridization (DDH) between RB20T and N. miyunensis JCM12860T and N. nova DSM 44481T resulted in similarity values of 33.9 and 22.0 %, respectively. DDH between RB56T and N. takedensis DSM44801T and N. pseudobrasiliensis DSM44290T showed similarity values of 20.7 and 22.3 %, respectively. In addition, wet-lab DDH between RB56T and N. rayongensis JCM19832T resulted in 10.2 % (14.5 %) similarity. Both strains showed morphological and chemotaxonomic features typical for the genus Nocardia, such as the presence of meso-diaminopimelic acid (A2pm) within the cell wall, arabinose and galactose as major sugar components within whole cell-wall hydrolysates, the presence of mycolic acids and major phospholipids (diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol), and the predominant menaquinone MK-8 (H4, ω-cyclo). The main fatty acids for both strains were hexadecanoic acid (C16 : 0), 10-methyloctadecanoic acid (10-methyl C18 : 0) and cis-9-octadecenoic acid (C18 : 1 ω9c). We propose two novel species within the genus Nocardia: Nocardia macrotermitis sp. nov. with the type strain RB20T (=VKM Ac-2841T=NRRL B65541T) and Nocardia aurantia sp. nov. with the type strain RB56T (=VKM Ac-2842T=NRRL B65542T). |
| 巻・号 | 70(10) |
| ページ | 5226-5234 |
| 公開日 | 2020-10-1 |
| DOI | 10.1099/ijsem.0.004398 |
| PMID | 32815801 |
| PMC | PMC7660896 |
| MeSH | Animals Bacterial Typing Techniques Base Composition DNA, Bacterial / genetics Diaminopimelic Acid / chemistry Fatty Acids / chemistry Gastrointestinal Microbiome Isoptera / microbiology* Nocardia / classification* Nocardia / isolation & purification Phospholipids / chemistry Phylogeny* RNA, Ribosomal, 16S / genetics South Africa Vitamin K 2 / analogs & derivatives Vitamin K 2 / chemistry |
| オルトメトリクス指標 |
オルトメトリクス指標項目
|
| 最多言及媒体 | X(Twitter) |
| 各媒体での言及数の合計 | 9 |
| 過去6か月間でのオルトメトリクス指標の変動値 | 0.0 |
| リソース情報 | |
| 一般微生物 | JCM12860 JCM19832 |