Raineya orbicola gen. nov., sp. nov. a slightly thermophilic bacterium of the phylum bacteroidetes and the description of raineyaceae fam. nov
2018
Albuquerque L. | Polónia A.R.M. | Barroso C. | Froufe H.J.C. | Lage O. | Lobo-Da-Cunha A. | Egas C. | Da Costa M.S. | CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental
An isolate, designated SPSPC-11T, with an optimum growth temperature of about 50°C and an optimum pH for growth between 7.5 and 8.0, was recovered from a hot spring in central Portugal. Based on phylogenetic analysis of its 16S rRNA sequence, the new organism is most closely related to the species of the genus Thermonema but with a pairwise sequence similarity of <85 %. The isolate was orange-pigmented, formed non-motile long filaments and rod-shaped cells that stain Gram-negative. The organism was strictly aerobic, oxidase-positive and catalase-positive. The major fatty acids were iso- C15:0, iso-C15: 0 2-OH and iso-C17: 0 3-OH. The major polar lipids were one aminophospholipid, two aminolipids and three unidentified lipids. Menaquinone 7 was the major respiratory quinone. The DNA G+C content of strain SPSPC-11T was 37.6 mol% (draft genome sequence). The high quality draft genome sequence corroborated many of the phenotypic characteristics of strain SPSPC-11T. Based on genotypic, phylogenetic, physiological and biochemical characterization we describe a new species of a novel genus represented by strain SPSPC-11T (=CECT 9012T=LMG 29233T) for which we propose the name Raineya orbicola gen. nov., sp. nov. We also describe the family Raineyaceae to accommodate this new genus and species. © 2018 IUMS.
Показать больше [+] Меньше [-]This research was supported by the European Union’s Horizon 2020 Research and Innovation programme under Metafluidics Grant Agreement No 685474. This work was also supported by FEDER funds through the Operational Programme Competitiveness Factors – COMPETE 2020 and national funds by FCT – Foundation for Science and Technology under the strategic project UID/NEU/04539/2013.
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