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Updated: Dec 29, 2025

A Rapid Strategy for the Isolation of New Faustoviruses from Environmental Samples Using Vermamoeba vermiformis
Published on: June 4, 2016
Ferrovibrio terrae sp. nov., isolated from soil
Dajung Ryu1, Minji Kim1, Bit Han1
1Department of Biology, Jeju National University, 102 Jejudaehak-ro, Jeju 63243, Republic of Korea.
Abstract:
Designated strain K5T was isolated from soil on Jeju Island. The bacterium was aerobic, Gram-stain-negative, oxidase-positive, catalase-low activity, motile, short-rod shaped, opaque and formed white colonies that were circular, raised and had entire margins. Strain K5T was able to grow at 15-40 °C, pH 4-9 and at 0-2 % (w/v) NaCl concentration. Phylogenetic analysis based on its 16S rRNA gene sequences indicated that strain K5T is closely related to Ferrovibrio soli A15T (98.9 % sequence similarity), Ferrovibrio denitrificans Sp-1T (98.7 %) and Ferrovibrio xuzhouensis LM-6T (97.4 %). The sole respiratory quinone was determined to be ubiquinone-10. The dominant fatty acids of strain K5T were summed feature 8 (C18 : 1 ω7c / C18 : 1ω6c, 29.8 %), C19 : 0 cyclo ω8c (20.2 %) and C16 : 0 (24.4 %). DNA G+C content was 63.6 % and DNA-DNA relatedness between strain K5T and other three members of the genus Ferrovibrio ranged from 24 to 28 %. The major polar lipids were identified as phosphatidylglycerol, phosphatidylethanolamine and aminolipids. Moreover, polyphasic characterization revealed that strain K5T represents a novel species in the genus Ferrovibrio, for which the name Ferrovibrio terrae sp. nov. is proposed. The type strain is K5T (=KCCM 43295T=LMG 30611T).
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