http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Kim Myung Kyum,Im Wan Taek,Ohta Hiroyuki,Lee Myung Jin,Lee Sung Taik The Microbiological Society of Korea 2005 The journal of microbiology Vol.43 No.2
Strain Kw07$^T$, a Gram-negative, non-spore-forming, rod-shaped bacterium, was isolated from granules in an Up-flow Anaerobic Sludge Blanket (UASB) bioreactor used in the treatment of brewery wastewater. 16S rRNA gene sequence analysis revealed that strain Kw07T belongs to the a-4 subclass of the Proteobacteria, and the highest degree of sequence similarity was determined to be to Sphingopyxis macrogoltabida IFO 15033T (97.8%). Chemotaxonomic data revealed that strain Kw07T possesses a quinone system with the predominant compound Q-I0, the predominant fatty acid C,s:, OJ7c, and sphingolipids, aU of which corroborated our assignment ofthe strain to the Sphingopyxis genus. The results of DNA-DNA hybridization and physiological and biochemical tests clearly demonstrated that strain Kw07T represents a distinct species. Based on these data, Kw07T (= KCTC 12209T = NBRC 100800T) should be classified as the type strain for a novel Sphingopyxis species, for which the name Sphingopyxis granuli sp. novo has been proposed.
The first record of nine bacterial species belonging to the phylum Proteobacteria in Korea
Kim, Dong-Uk,Kang, Myung-Suk,Kim, Ju-Young,Kim, Myung Kyum The National Institute of Biological Resources 2017 Journal of species research Vol.6 No.3
As part of a larger study with the aim to discover indigenous prokaryotic species in Korea, nine bacterial strains were isolated and assigned to the phylum Proteobacteria in 2016. High 16S rRNA gene sequence similarity (>98.5%) and formation of a robust phylogenetic clades with known species indicated that each strain belongs to an independent and predefined bacterial species. This is the first report of these nine species in Korea: two strains of the Methylobacterium, two strains of the Microvirga, one strain of the Pantoea, and four strains of the Psychrobacter, all within the Proteobacteria. Gram reaction, colony and cell morphology, basic biochemical characteristics, and isolation sources are also described in the species description section.
Microbial Conversion of Major Ginsenoside $Rb_1$ to Pharmaceutically Active Minor Ginsenoside Rd
Kim Myung Kyum,Lee Jun Won,Lee Ki Young,Yang Deok-Chun The Microbiological Society of Korea 2005 The journal of microbiology Vol.43 No.5
More than seventy strains of aerobic bacteria showing ${\beta}$-glucosidase activity were isolated from a ginseng field, using a newly designed Esculin-R2A agar, and identified by their 16S rRNA gene sequences. Of these microorganisms, twelve strains could convert the major ginsenoside, $Rb_1$, to the pharmaceutically active minor ginsenoside Rd. Three strains, Burkholderia pyrrocinia GP16, Bacillus megaterium GP27 and Sphingomonas echinoides GP50, were phylogenetically studied, and observed to be most potent at converting ginsenoside $Rb_1$ almost completely within 48 h, as shown by TLC and HPLC analyses.
Kim, Yeon-Ju,Kim, Myung Kyum,Bui, Thi Phuong Nam,Kim, Ho-Bin,Srinivasan, Sathiyaraj,Yang, Deok-Chun Society for General Microbiology 2010 International journal of systematic and evolutiona Vol.60 No.12
<P>Strain DCY37(T) was isolated from a soil sample of a ginseng field in the Republic of Korea and characterized in order to determine its taxonomic position. Cells were Gram-staining-positive, heterotrophic, strictly aerobic, non-motile short rods. 16S rRNA gene sequence analysis revealed that strain DCY37(T) belongs to the genus Microbacterium. According to 16S rRNA gene sequence analysis, it is closely related to Microbacterium aerolatum DSM 14217(T) (98.8?%), Microbacterium hydrocarbonoxydans DSM 16089(T) (98.5?%), Microbacterium natoriense JCM 12611(T) (98.5?%), Microbacterium foliorum (98.4?%) and Microbacterium phyllosphaerae (98.3?%). However, DNA-DNA hybridization studies showed reassociation values of less than 70?% between representative strains and DCY37(T). The DNA G+C content was 64.5 mol%. Strain DCY37(T) possessed chemotaxonomic markers that were consistent with classification in the genus Microbacterium, i.e. MK-12 and MK-13 as the major menaquinones and anteiso-C(15?:?0), anteiso-C(17?:?0) and iso-C(16?:?0) as the predominant cellular fatty acids. The major cell wall sugars were ribose, xylose and galactose. The diamino acid in cell-wall hydrolysates of strain DCY37(T) was ornithine and major cell-wall amino acids were alanine, glycine, d-glutamic acid and serine. The major polar lipids were glycolipid, phosphatidylglycerol, diphosphatidylglycerol and unknown aminolipids. Based on these data, DCY37(T) (=KCTC 19526(T) =JCM 15516(T)) should be classified as the type strain of a novel species of the genus Microbacterium, for which the name Microbacterium ginsengiterrae sp. nov. is proposed.</P>
A report of 7 unrecorded bacterial species isolated from several Jeju soil samples in 2016
Kim, Ju-Young,Jang, Jun Hwee,Maeng, Soohyun,Kang, Myung-Suk,Kim, Myung Kyum The National Institute of Biological Resources 2018 Journal of species research Vol.7 No.2
Seven bacterial strains, 15J4M-1, 15J13-8, 16MFM10, 15J1-8, SR1-5-4, 15J13-6, and 15J8-11 assigned to the phylum Actinobacteria, Bacteroidetes, and Firmicutes were isolated from soil samples collected from Jeju, Korea. Phylogenetic analysis based on 16S rRNA gene sequence revealed that strains 15J4M-1, 15J13-8, 16MFM10, 15J1-8, SR1-5-4, 15J13-6, and 15J8-11 were most closely related to Bacillus selenatarsenatis $SF-1^T$ (with 99.4% similarity), Brevibacterium luteolum $CF87^T$ (99.5%), Carnobacterium iners CCUG $62000^T$ (99.6%), Exiguobacterium profundum $10C^T$ (99.3%), Larkinella insperata LMG $22510^T$ (99.3%), Pseudokineococcus lusitanus CECT $7306^T$ (99.4%), and Spirosoma endophyticum $EX36^T$ (99.3%), respectively. This is the first report of these seven species in Korea.
Description of unrecorded bacterial species belonging to the phylum Actinobacteria in Korea
Kim, Mi-Sun,Kim, Seung-Bum,Cha, Chang-Jun,Im, Wan-Taek,Kim, Won-Yong,Kim, Myung-Kyum,Jeon, Che-Ok,Yi, Hana,Yoon, Jung-Hoon,Kim, Hyung-Rak,Seong, Chi-Nam The National Institute of Biological Resources 2021 Journal of species research Vol.10 No.1
For the collection of indigenous prokaryotic species in Korea, 77 strains within the phylum Actinobacteria were isolated from various environmental samples, fermented foods, animals and clinical specimens in 2019. Each strain showed high 16S rRNA gene sequence similarity (>98.8%) and formed a robust phylogenetic clade with actinobacterial species that were already defined and validated with nomenclature. There is no official description of these 77 bacterial species in Korea. The isolates were assigned to 77 species, 31 genera, 18 families, 14 orders and 2 classes of the phylum Actinobacteria. All the strains except one Coriobacteriia strain were affiliated within the class Actinomycetia. Among them, the orders Streptomycetales and Microbacteriales were predominant. A number of strains were isolated from forest soils, riverside soils, and ginseng cultivated soils. Twenty-nine strains were isolated from 'Protected Ecosystem and Scenery Areas'. Morphological properties, basic biochemical characteristics, isolation source and strain IDs are described in the species descriptions.
Kim, Dong-Uk,Seong, Chi-Nam,Jahng, Kwangyeop,Lee, Soon Dong,Cha, Chang-Jun,Joh, Kiseong,Jeon, Che Ok,Kim, Seung-Bum,Kim, Myung Kyum The National Institute of Biological Resources 2018 Journal of species research Vol.7 No.2
In 2016, as a subset study to discover indigenous prokaryotic species in Korea, a total of 15 bacterial strains were isolated and assigned to the class Betaproteobacteria. From the high 16S rRNA gene sequence similarity (>98.8%) and formation of a robust phylogenetic clade with the closest species, it was determined that each strain belonged to each independent and predefined bacterial species. There is no official report that these 15 species have been described in Korea; therefore, 1 strain of the Aquitalea, 5 strains of the Paraburkholderia, 2 strains of the Comamonas, 1 strain of the Cupriavidus, 1 strain of the Diaphorobacter, 2 strains of the Hydrogenophaga, 1 strain of the Iodobacter, 1 strain of the Massilia and 1 strain of the Rhodoferax within the Betaproteobacteria are described for unreported bacterial species in Korea. Gram reaction, colony and cell morphology, basic biochemical characteristics, and isolation sources are also described in the species description section.
A report of 14 unrecorded bacterial species in Korea isolated in 2017
Kim, Ju-Young,Jang, Jun Hwee,Maeng, Soohyun,Kang, Myung-Suk,Kim, Myung Kyum The National Institute of Biological Resources 2018 Journal of species research Vol.7 No.2
Fourteen bacterial strains, low10-4-1, J11015, 17J27-22, 17G22-9, 17G9-4, 17Bio_15, 17gy_33, 17SD1_21, Strain8, 17Sr1_17, J21014T, H31021, 17J49-9, and 17J80-6 assigned to the phylum Actinobacteria, Bacteroidetes, Deinococcus-Thermus, and Firmicutes were isolated from soil samples. Phylogenetic analysis based on 16S rRNA gene sequence revealed that strains low10-4-1, J11015, 17J27-22, 17G22-9, 17G9-4, 17Bio_15, 17gy_33, 17SD1_21, Strain8, 17Sr1_17, J21014T, H31021, 17J49-9, and 17J80-6 were most closely related to Marmoricola aurantiacus (98.9%), Calidifontibacter indicus (99.8%), Gordonia soli (98.8%), Rhodococcus globerulus (99.5%), Pseudarthrobacter siccitolerans (99.1%), Hymenobacter qilianensis (98.7%), Hymenobacter terrae (99.0%), Deinococcus yunweiensis (99.2%), Deinococcus proteolyticus (99.7%), Domibacillus indicus (99.2%), Exiguobacterium mexicanum (100.0%), Kurthia senegalensis (99.1%), Lysinibacillus composti (99.6%), and Bacillus loiseleuriae (99.3%). These fourteen species have never been reported in Korea, therefore we report them here for the first time.