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Emticicia aquatilis sp. nov., isolated from a freshwater sample near Donghaksa temple
- Authors: Hien T.T. Ngo1, Huan Trinh2, Jung-Eun Yang3, Kyung-Hwa Won4, Dong-Hun Chu5, MooChang Kook6, Tae-Hoo Yi7
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1 1Kyung Hee University 2 2Kyung Hee University 3 3SD Biotechnologies Co., Ltd. 4 4SD Biotechnologies Co., Ltd. 5 5Kyung Hee University 6 6Anyang University 7 7Kyung-Hee University
- First Published Online: 01 February 2017, International Journal of Systematic and Evolutionary Microbiology doi: 10.1099/ijsem.0.001840
- Issue Published:
A Gram-stain-negative, facultative anaerobic, non-motile, rod-shaped and yellow-pigmented bacterium, designated strain THG-DN6.14T, was isolated from a freshwater sample near Donghaksa temple in Daejeon, South Korea. According to 16S rRNA gene sequence comparisons, strain THG-DN6.14T was found to be most closely related to Emticicia sediminis JBR12T (99.1 % sequence similarity), Emticicia oligotrophica DSM 17448T (97.6 %), Emticicia aquatica HMF2925T (96.5 %), and Emticicia ginsengisoli Gsoil 085T (94.4 %). The DNA-DNA relatedness between strain THG-DN6.14T and its phylogenetically closest neighbours was below 65.0 %. The DNA G+C content was 43.3 mol%. The major polar lipids were found to be phosphati¬dylethanolamine, unidentified glycolipid, and unidentified aminoglycolipid. The major fatty acids were identified as C16:0, iso-C15:0, iso-C17:0 3OH, and summed feature 3 (C16:1 ω7c and/or C16:1 ω6c). The respiratory quinone was menaquinone MK-7. These data supported the affiliation of strain THG-DN6.14T to the genus Emticicia. Strain THG-DN6.14T was distinguished from related Emticicia species by physiological and biochemical tests. Therefore, the novel isolate represents a novel species, for which the name Emticicia aquatilis sp. nov. is proposed, with THG-DN6.14T as the type strain (= KACC 18540T = CGMCC 1.15958T).
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