Asticcacaulis solisilvae sp. nov., isolated from forest soil

Seil Kim, Gyeongtaek Gong, Tai Hyun Park, Youngsoon Um

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13 Scopus citations


An obligately aerobic, chemoheterotrophic, mesophilic prosthecate bacterium, designated strain CGM1-3ENT, was isolated from the enrichment cultures of forest soil from Cheonggyesan Mountain, Republic of Korea. Cells were Gram-reaction-negative, motile rods (1.3-2.4 mm long by 0.30-0.75 mm wide) with single flagella. The strain grew at 10-37 °C (optimum 25-30 °C) and at pH 4.5-9.5 (optimum 5.0-7.0). The major cellular fatty acids were C16: 0, C18: 1ω7c 11- methyl, C12: 1 3-OH and summed feature 8 (comprising C18: 1ω7c/C18: 1ω6c). The genomic DNA G+C content of strain CGM1-3ENT was 63.7 mol%. The closest phylogenetic neighbour to strain CGM1-3ENT was identified as Asticcacaulis biprosthecium DSM 4723T (97.2% 16S rRNA gene sequence similarity) and the DNA-DNA hybridization value between strain CGM1- 3ENT and A. biprosthecium DSM 4723T was less than 24.5 %. Strain CGM1-3ENT used Dglucose, D-fructose, sucrose, maltose, trehalose, D-mannose, D-mannitol, D-sorbitol, D-galactose, cellobiose, lactose, raffinose, fumarate, pyruvate, DL-alanine and glycerol as carbon sources. Based on data from the present polyphasic study, the forest soil isolate CGM1-3ENT is considered to represent a novel species of the genus Asticcacaulis, for which the name Asticcacaulis solisilvae sp. nov. is proposed. The type strain is CGM1-3ENT (=AIM0088T=KCTC 32102T=JCM 18544T).

Original languageEnglish
Pages (from-to)3829-3834
Number of pages6
JournalInternational Journal of Systematic and Evolutionary Microbiology
Issue numberPART10
StatePublished - Oct 2013


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