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Corynebacterium sanguinis sp. nov., a clinical and environmental associated corynebacterium.
Systematic and Applied Microbiology ( IF 3.4 ) Pub Date : 2019-11-14 , DOI: 10.1016/j.syapm.2019.126039
Daniel Jaén-Luchoro 1 , Lucia Gonzales-Siles 2 , Roger Karlsson 2 , Liselott Svensson-Stadler 3 , Kent Molin 3 , Sofia Cardew 3 , Susanne Jensie-Markopolous 3 , Maria Ohlén 3 , Elisabeth Inganäs 3 , Susann Skovbjerg 4 , Brian J Tindall 5 , Edward R B Moore 1
Affiliation  

Clinical and environmental-associated strains (n = 17), genotypically related to Corynebacterium spp., yet distinct from any species of the genus Corynebacterium with validly published names, have been isolated during the last 20 years and tentatively identified as Corynebacterium sanguinis, although the combination, “Corynebacterium sanguinis” was never validly published. The comprehensive genotypic and phenotypic characterisations and genomic analyses in this study support the proposal for recognizing the species within the genus Corynebacterium, for which the name, Corynebacterium sanguinis sp. nov., is reaffirmed and proposed. Strains of Corynebacterium sanguinis are Gram-positive, non-motile, non-spore-forming, short, pleomorphic and coryneform bacilli, growing aerobically, with CO2. They contain mycolic acids, major respiratory menaquinones, MK-8 (II-H2) and MK-9 (II-H2), and polar lipids, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylinositol, phosphoglycolipid, glycolipids and a novel lipid that remains to be characterized and identified. Strains of Corynebacterium sanguinis are genotypically most similar to Corynebacterium lipophiliflavum, with 16S rRNA gene sequence similarities of 98.3% and rpoB sequence similarities of 94.9–95.2%. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) analysis were able to clearly differentiate Corynebacterium sanguinis from the most closely related species. The genome size of Corynebacterium sanguinis is 2.28–2.37 Mbp with 65.1–65.5 mol% G + C content. A total of 2202–2318 ORFs were predicted, comprising 2141–2251 protein-encoding genes. The type strain is CCUG 58655T (=CCM 8873T = NCTC 14287T).



中文翻译:

棒状杆菌Sanguinis sp。nov。,临床和环境相关的棒杆菌。

临床和环境相关的菌株(Ñ  = 17),基因型有关棒状杆菌属,从该属的任何物种但独特的棒状杆菌与合格发表的名称,在过去20年中已经被分离和初步鉴定为棒状杆菌血统,虽然组合“ Corynebacterium sanguinis ”从未有效发表过。这项研究中全面的基因型和表型特征以及基因组分析支持了识别棒状杆菌Corynebacterium sanguinis sp。)名称的提议。十一月,重申并提出。株血红棒杆菌是革兰氏阳性,无运动性,无孢子形成,短,多形和棒状杆菌,需氧生长,带有CO 2。它们含有霉菌酸,主要呼吸性甲萘醌,MK-8(II-H 2)和MK-9(II-H 2),以及极性脂质,磷脂酰甘油,二磷脂酰甘油,磷脂酰肌醇,磷酸糖脂,糖脂和尚待发现的新型脂质特征和识别。血统棒状杆菌的菌株在基因型上与嗜脂棒状杆菌最相似,其16S rRNA基因序列相似性为98.3%,rpoB序列相似性为94.9–95.2%。基质辅助激光解吸/电离飞行时间质谱(MALDI-TOF MS)分析能够清楚地将血红棒杆菌与最密切相关的物种区分开来。血红棒杆菌的基因组大小为2.28–2.37 Mbp,G + C含量为65.1–65.5 mol%。预测总共有2202–2318个ORF,包括2141–2251个蛋白质编码基因。类型应变为CCUG 58655 T(= CCM 8873 T  = NCTC 14287 T)。

更新日期:2019-11-14
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