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<i>Asticcacaulis</i> <i>solisilvae</i> sp. nov., isolated from forest soil
Kim, Seil,Gong, Gyeongtaek,Park, Tai Hyun,Um, Youngsoon International Union of Microbiological Societies 2013 International journal of systematic and evolutiona Vol.63 No.10
<P>An obligately aerobic, chemoheterotrophic, mesophilic prosthecate bacterium, designated strain CGM1-3EN<SUP>T</SUP>, 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 µm long by 0.30–0.75 µm 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 C<SUB>16 : 0</SUB>, C<SUB>18 : 1</SUB>ω7<I>c</I> 11-methyl, C<SUB>12 : 1</SUB> 3-OH and summed feature 8 (comprising C<SUB>18 : 1</SUB>ω7<I>c</I>/C<SUB>18 : 1</SUB>ω6<I>c</I>). The genomic DNA G+C content of strain CGM1-3EN<SUP>T</SUP> was 63.7 mol%. The closest phylogenetic neighbour to strain CGM1-3EN<SUP>T</SUP> was identified as <I>Asticcacaulis biprosthecium</I> DSM 4723<SUP>T</SUP> (97.2 % 16S rRNA gene sequence similarity) and the DNA–DNA hybridization value between strain CGM1-3EN<SUP>T</SUP> and <I>A. biprosthecium</I> DSM 4723<SUP>T</SUP> was less than 24.5 %. Strain CGM1-3EN<SUP>T</SUP> used <SMALL>d</SMALL>-glucose, <SMALL>d</SMALL>-fructose, sucrose, maltose, trehalose, <SMALL>d</SMALL>-mannose, <SMALL>d</SMALL>-mannitol, <SMALL>d</SMALL>-sorbitol, <SMALL>d</SMALL>-galactose, cellobiose, lactose, raffinose, fumarate, pyruvate, <SMALL>dl</SMALL>-alanine and glycerol as carbon sources. Based on data from the present polyphasic study, the forest soil isolate CGM1-3EN<SUP>T</SUP> is considered to represent a novel species of the genus <I>Asticcacaulis</I>, for which the name <I>Asticcacaulis</I> <I>solisilvae</I> sp. nov. is proposed. The type strain is CGM1-3EN<SUP>T</SUP> ( = AIM0088<SUP>T</SUP> = KCTC 32102<SUP>T</SUP> = JCM 18544<SUP>T</SUP>).</P>
Burkholderia jirisanensis sp. nov., isolated from forest soil
Kim, Seil,Gong, Gyeongtaek,Min Woo, Han,Kim, Yunje,Um, Youngsoon Microbiology Society 2016 International journal of systematic and evolutiona Vol.66 No.-
<P>A Gram-negative, catalase-positive, mesophilic, obligately aerobic bacterium designated JRM2-1(T) was isolated from forest soil of Jirisan Mountain, Republic of Korea, and its taxonomic position was investigated based on a polyphasic taxonomic approach. Cells of strain JRM2-1(T) grew optimally at pH 5.0-7.0 and at 25 degrees C. Strain JRM2-1(T) was susceptible to chloramphenicol, gentamicin, kanamycin, nalidixic acid, rifampicin, streptomycin and tetracycline. On the basis of 16S rRNA gene sequence similarity, the closest neighbour of strain JRM2-1(T) was Burkholderia rhizosphaerae WR43(T) (98.1 %). On the basis of our phylogenetic analysis, strain JRM2-1(T) is clearly distinguished from related species of the genus Burkholderia and is clustered with plant-associated members of the genus. The major cellular fatty acids were C-16 : 0, C-17 : 0 cyclo and C-19 : 0 cyclo omega 8c. The polar lipid profile of strain JRM2-1(T) contained diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, several unidentified aminolipids and an unidentified aminophospholipid. The isoprenoid quinone of strain JRM2-1(T) was Q-8 and the DNA G + C content was 63.7 mol%. On the basis of our polyphasic taxonomic investigation, strain JRM2-1(T) is considered to represent a novel species in the genus Burkholderia, for which the name Burkholderia jirisanensis sp. nov. is proposed. The type strain is JRM2-1(T) (=AIM 0373(T) =KCTC 42072(T) =JCM 19985(T)).</P>