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Thiobacter aerophilum sp. nov., a Thermophilic, Obligately Chemolithoautotrophic, Sulfur-Oxidizing Bacterium from a Hot Spring and Proposal of Thiobacteraceae fam. novстатья
- Авторы: Dukat Anna M., Elcheninov Alexander G., Klyukina Alexandra A., Novikov Andrei A., Frolov Evgenii N.
- Журнал: Microorganisms
- Том: 12
- Номер: 11
- Год издания: 2024
- Издательство: MDPI
- Местоположение издательства: Basel, Switzerland
- DOI: 10.3390/microorganisms12112252
- Аннотация: An aerobic, obligately chemolithoautotrophic, sulfur-oxidizing bacterium, strain AK1T, was isolated from a terrestrial hot spring of the Uzon Caldera, Kamchatka, Russia. The cells of the new isolate were Gram-negative motile rods with a single polar flagellum. Strain AK1T grew at 37–55 °C (optimum 50 °C) with 0–1.0% NaCl (optimum 0%) and within the pH range 4.8–7.0 (optimum pH 5.2–5.5). The new isolate was able to grow by aerobic respiration with sulfide, sulfur, or thiosulfate as the electron donor and HCO3−/CO2 as the carbon source. The major fatty acids were C16:0, C17:1 Δ, and C16:1 ω7c. The respiratory lipoquinone was ubiquinone UQ-8. The size of the genome and genomic DNA G+C content of the strain AK1T were 2.55 Mb and 64.0%, respectively. The closest 16S rRNA gene sequence of a validly published species belonged to Thiobacter subterraneus C55T (97.94% identity). According to the 16S rRNA gene sequence-based and conserved protein sequences-based phylogenetic analyses, strain AK1T represented a distinct lineage of the genus Thiobacter within a new family, Thiobacteraceae of the order Burkholderiales. As inferred from the morphology, physiology, chemotaxonomy, and phylogeny, strain AK1T ought to be recognized as a novel species for which we propose the name Thiobacter aerophilum sp. nov. The type strain is AK1T (=CGMCC 1.18099T = UQM 41819T).
- Добавил в систему: Дукат Анна Михайловна
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Полный текст | microorganisms-12-02252.pdf | 2,0 МБ | 11 ноября 2024 [Anna_Kuznetsova_microbiology] |