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  • Title: Acidovorax monticola sp. nov., isolated from soil.
    Author: Chaudhary DK, Kim J.
    Journal: Antonie Van Leeuwenhoek; 2018 Oct; 111(10):1925-1934. PubMed ID: 29627890.
    Abstract:
    A novel strain K-4-16T was isolated from forest soil of Namsan Mountain, Seoul, South Korea, and was taxonomically characterized by a polyphasic approach. Strain K-4-16T was observed to be a Gram-staining negative, grayish white-coloured, motile with peritrichous flagella, and rod shaped bacterium. It was able to grow at 15-45 °C, at pH 4.5-10.5, and at 0-4% (w/v) NaCl concentration. Based on the 16S rRNA gene sequence analysis, strain K-4-16T belongs to the genus Acidovorax and is closely related to Acidovorax anthurii CFBP 3232T (98.3% sequence identity), Acidovorax konjaci K2T (97.9% sequence identity), Acidovorax valerianellae CFBP 4730T (97.8% sequence identity), and Acidovorax caeni R-24608T (97.8% sequence identity). The only respiratory quinone was ubiquinone-8. The major polar lipids were phosphatidylethanolamine, phosphatidylglycerol, and diphosphatidylglycerol. The predominant fatty acids of strain K-4-16T were summed feature 3 (C16:1ω7c and/or C16:1ω6c), C16:0, and summed feature 8 (C18:1ω7c and/or C18:1ω6c). The genomic DNA G+C content of this novel strain was 64.7 mol%. The DNA-DNA relatedness between strain K-4-16T and its reference strains were below the threshold value of 70%. The morphological, physiological, chemotaxonomic, and phylogenetic analyses clearly distinguished this strain from its close phylogenetic neighbors. Thus, strain K-4-16T represents a novel species of the genus Acidovorax, for which the name Acidovorax monticola sp. nov. is proposed. The type strain is K-4-16T (= KEMB 9005-570T = KACC 19171T = NBRC 113141T).
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