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Li, Wen-Jun,Kroppenstedt, Reiner M.,Wang, Dong,Tang, Shu-Kun,Lee, Jae-Chan,Park, Dong-Jin,Kim, Chang-Jin,Xu, Li-Hua,Jiang, Cheng-Lin Microbiology Society 2006 International journal of systematic and evolutiona Vol.56 No.5
<P>Five novel Nocardiopsis strains isolated from hypersaline soils in China were subjected to a polyphasic analysis to determine their taxonomic position. All of the novel isolates could grow on agar plates at NaCl concentrations of up to 18 % (w/v), with optimum growth at 5-8 %. The DNA G+C contents of the novel strains ranged from 67.9 to 73.2 mol%. The morphological and chemotaxonomic characteristics of the isolates matched those described for members of the genus Nocardiopsis. Based on their 16S rRNA gene sequence analysis, DNA-DNA hybridization values and phenotypic characteristics, including the composition of cell-wall amino acids and sugars, menaquinones, polar lipids and cellular fatty acids, the isolates are proposed as representing five novel species of the genus Nocardiopsis. The novel species are proposed as Nocardiopsis gilva sp. nov. [type strain YIM 90087T (=KCTC 19006T=CCTCC AA 2040012T=DSM 44841T)], Nocardiopsis rosea sp. nov. [type strain YIM 90094T (=KCTC 19007T=CCTCC AA 2040013T=DSM 44842T), Nocardiopsis rhodophaea sp. nov. [type strain YIM 90096T (=KCTC 19049T=CCTCC AA 2040014T=DSM 44843T), Nocardiopsis chromatogenes sp. nov. [type strain YIM 90109T (=KCTC 19008T=CCTCC AA 2040015T=DSM 44844T) and Nocardiopsis baichengensis sp. nov. [type strain YIM 90130T (=KCTC 19009T=CCTCC AA 2040016T=DSM 44845T). On the basis of the chemotaxonomic data, the description of the recently described species Nocardiopsis salina Li et al. 2004 is emended.</P>
Knoellia aerolata sp. nov., isolated from an air sample in Korea
Weon, Hang-Yeon,Kim, Byung-Yong,Schumann, Peter,Kroppenstedt, Reiner M.,Noh, Hyung-Jun,Park, Chan-Won,Kwon, Soon-Wo Microbiology Society 2007 International journal of systematic and evolutiona Vol.57 No.12
<P>An aerobic, Gram-positive, non-motile, non-spore-forming, rod-coccus-shaped bacterium, strain 5317S-21(T), was isolated from an air sample from Suwon city, Republic of Korea. The isolate was able to grow within a pH range of 5.0-9.0 and a temperature range of 5-35 degrees C and it tolerated up to 2 % (w/v) NaCl. The cell-wall peptidoglycan contained meso-diaminopimelic acid as diagnostic diamino acid. The predominant isoprenoid quinone was MK-8(H(4)). The major polar lipids were phosphatidylinositol, phosphatidylethanolamine and diphosphatidylglycerol; phosphatidylglycerol and several unknown phospholipids were also detected. Mycolic acids were absent. The only whole-cell sugar was glucose. The major cellular fatty acids were iso-C(16 : 0), C(17 : 1)omega8c and iso-C(15 : 0). 16S rRNA gene sequence analysis indicated that strain 5317S-21(T) was related phylogenetically to members of the genus Knoellia, with 97.4 % sequence similarity to the type strains of Knoellia sinensis and Knoellia subterranea. The G+C content of the genomic DNA of strain 5317S-21(T) was 73 mol%. Levels of DNA-DNA relatedness between strain 5317S-21(T) and the type strains of Knoellia sinensis and Knoellia subterranea were 37 and 41 %, respectively. It was concluded that strain 5317S-21(T) represents a novel species of the genus Knoellia, for which the name Knoellia aerolata sp. nov. is proposed. The type strain is 5317S-21(T) (=KACC 20583(T) =DSM 18566(T)).</P>
Tsukamurella soli sp. nov., isolated from soil
Weon, Hang-Yeon,Yoo, Seung-Hee,Anandham, Rangasamy,Schumann, Peter,Kroppenstedt, Reiner M.,Kwon, Soon-Wo,Stackebrandt, Erko Microbiology Society 2010 International journal of systematic and evolutiona Vol.60 No.7
<P>A Gram-positive, rod-shaped, catalase-positive, oxidase-negative, white-coloured bacterium, designated strain JS18-1<SUP>T</SUP>, was isolated from a soil sample collected from Halla mountain, Jeju island, Korea. 16S rRNA gene sequence analysis revealed that the strain was most closely related to members of the genus <I>Tsukamurella</I> with levels of sequence similarity of 95.4-96.5 %. Strain JS18-1<SUP>T</SUP> shared highest 16S rRNA gene sequence similarity with <I>Tsukamurella strandjordii</I> DSM 44573<SUP>T</SUP> (96.5 %), <I>Tsukamurella carboxydivorans</I> Y2<SUP>T</SUP> (96.4 %) and <I>Tsukamurella tyrosinosolvens</I> DSM 44234<SUP>T</SUP> (96.4 %). The G+C content of the total DNA of strain JS18-1<SUP>T</SUP> was 70 mol%. The cell-wall peptidoglycan type was A1<I>γ</I> and mycolic acids were also detected. The predominant polar lipids were diphosphatidylglycerol, phosphatidylethanolamine and phosphatidylinositol. The major quinone was menaquinone-9 (MK-9) and major cell-wall sugars were arabinose, ribose and glucose. The major fatty acids (>10 % of the total fatty acids) were C16 : 0, C18 : 1<I>ω</I>9<I>c</I>, C18 : 0 10-methyl and summed feature 3 (C16 : 1<I>ω</I>7<I>c</I> and/or iso-C15 : 0 2-OH). Phylogenetic analysis based on 16S rRNA gene sequences and chemotaxonomic, biochemical and physiological characteristics indicate that strain JS18-1<SUP>T</SUP> represents a novel species of the genus <I>Tsukamurella</I>, for which the name <I>Tsukamurella soli</I> sp. nov. is proposed. The type strain is JS18-1<SUP>T</SUP> (=KACC 20764<SUP>T</SUP>=DSM 45046<SUP>T</SUP>).</P>