Seung-Hee Yoo

Chung-Ang University

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i-10 index

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Soon-Wo Kwon

Rural Development Administration

Hang-Yeon Weon

Rural Development Administration

Byung‐Yong Kim

Chong Kun Dang Bio (South Korea)

Erko Stackebrandt

Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures

Seung-Joo Go

National Institute of Agricultural Science and Technology

R. Anandham

Tamil Nadu Agricultural University

Yiseul Kim

Korea Food Research Institute

Yang-Hee Cho

National Institute of Agricultural Science and Technology

Seon-Young Lee

Rural Development Administration

Youn-Kyung Baek

Rural Development Administration

Cooperative Institutions

Rural Development Administration

National Institute of Agricultural Science and Technology

National Academy of Agricultural Science

Seoul National University

Chungnam National University

Chung-Ang University

Kyungpook National University

Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures

Kangwon National University

Chonnam National University

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Isolation and identification of microorganisms in Korean traditional soybena paste and soybean sauce

Seung-Hee Yoo W.H. Cho Sun-Chul Kang

As a basic study for quality improvement of Korean soybean paste and soybean sauce, we investigated on microflora of soybean paste and soybean sauce fermentation. Major microorganisms were isolated from the sample pastes and sauces, and identified systematically. Selected microorganisms were identified by MIS whole cell fatty acid analysis by gas chromatography. Identification results showed that Bacillus licheniformis, Bacillus pumilis and Bacillus subtilis were dominant in soybean paste and Staphylococcus vitulus, Bacillus subtilis, Bacillus pumilus, and Lactobacillus fermentum were dominant in soybean sauce. It seemed that these microorganisms played an important role in soybean paste and soybean sauce fermentation and could be used for the further studies such as protease and amylase activities.

Bacillus licheniformis

Bacillus pumilus

Soybean oil

Lactobacillus fermentum

Bacillus (shape)

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Citations (5)

Chitinimonas koreensis sp. nov., isolated from greenhouse soil in Korea

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2006)

Byung‐Yong Kim Hang-Yeon Weon Seung-Hee Yoo Wen-Ming Chen Soon-Wo Kwon

Strain R2A43-10(T) was isolated from a greenhouse soil in Korea. Cells were Gram-negative rods, motile by means of a single flagellum. Growth occurred at 10-40 degrees C and at pH 5-8. Ubiquinone-8 (Q-8) was the only respiratory lipoquinone. Major fatty acids were summed feature 3 (C(16 : 1)omega7c and/or iso-C(15 : 0) 2-OH) and C(16 : 0). 16S rRNA gene sequence analysis revealed that strain R2A43-10(T) was closely related to Chitinimonas taiwanensis cf(T) (sequence similarity of 94.8 %), but it exhibited low sequence similarities (<92 %) to other members of the Betaproteobacteria. The G+C content of the genomic DNA of strain R2A43-10(T) was 65.0 mol%. The novel isolate could be differentiated from C. taiwanensis cf(T) by several physiological properties. On the basis of genomic and phenotypic data, it is concluded that R2A43-10(T) (=KACC 11467(T)=DSM 17726(T)) is the type strain of a novel species of the genus Chitinimonas, for which the name Chitinimonas koreensis sp. nov. is proposed.

10.1099/ijs.0.64163-0

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Citations (28)

Terrabacter aeriphilus sp. nov., isolated from an air sample

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2009)

Hang-Yeon Weon Jung-A Son Seung-Hee Yoo Byung‐Yong Kim Soon-Wo Kwon

A novel actinomycete, designated strain 5414T-18(T), was isolated from an air sample collected from the Taean region, Korea. The strain contained oxidase and grew in the presence of 7 % NaCl. A neighbour-joining tree constructed on the basis of the 16S rRNA gene sequence showed that strain 5414T-18(T) is a member of the genus Terrabacter, sharing 97.8-98.3 % 16S rRNA gene sequence similarities to type strains of species of the genus Terrabacter (98.3 % sequence similarity with Terrabacter lapilli LR-26(T)). It contained peptidoglycan containing ll-diaminopimelic acid of A3gamma type, with three glycine residues as the interpeptide bridge. Whole-cell sugars were glucose, mannose and ribose. Mycolic acids were absent. The predominant menaquinone was MK-8(H(4)). The major fatty acids (>7 % of total fatty acids) were iso-C(15 : 0), iso-C(16 : 0), C(17 : 1)omega8c and iso-C(14 : 0). The major polar lipids were phosphatidylethanolamine, diphosphatidylglycerol, phosphatidylinositol and an unidentified phosphoglycolipid. The DNA G+C content of the type strain was 73 mol%. Strain 5414T-18(T) exhibited DNA-DNA relatedness levels of 44, 43, 39, 34 and 34 % to the type strains of Terrabacter lapilli, Terrabacter aerolatus, Terrabacter terrae, Terrabacter tumescens and Terracoccus luteus, respectively. These findings suggest that strain 5414T-18(T) represents a novel species within the genus Terrabacter. The name Terrabacter aeriphilus sp. nov. is proposed for this novel species, with the type strain 5414T-18(T) (=KACC 20693(T)=DSM 18563(T)).

Diamino acid

Strain (injury)

Muramic acid

10.1099/ijs.0.016444-0

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Citations (15)

Marinobacter koreensis sp. nov., isolated from sea sand in Korea

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2006)

Byung‐Yong Kim Hang-Yeon Weon Seung-Hee Yoo Jong‐Shik Kim Soon-Wo Kwon

A marine, Gram-negative, aerobic, motile, straight-rod-shaped, moderately halophilic bacterium, designated strain DD-M3 T , was isolated from sea sand in Pohang, Korea. A phylogenetic tree based on 16S rRNA gene sequences showed that the strain fell within the evolutionary radiation encompassed by the genus Marinobacter . The levels of 16S rRNA gene sequence similarity between the novel strain and the type strains of recognized Marinobacter species ranged from 94.2 to 97.6 %, the highest values being with Marinobacter flavimaris SW-145 T (97.6 %) and Marinobacter lipolyticus SM19 T (96.8 %). The values for DNA–DNA relatedness between isolate DD-M3 T and the type strains of the most closely related species, M. flavimaris and M. lipolyticus , were 41 and 36 %, respectively. Strain DD-M3 T was characterized as having Q-9 as the predominant respiratory quinone and 16 : 0, summed feature 3 and 18 : 1 ω 9 c as the main fatty acids. The DNA G+C content was 54.1 mol%. On the basis of its phenotypic and genotypic characteristics, DD-M3 T represents a novel species of the genus Marinobacter , for which the name Marinobacter koreensis sp. nov. is proposed, with DD-M3 T (=KACC 11513 T =DSM 17924 T ) as the type strain.

Strain (injury)

10.1099/ijs.0.64231-0

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Citations (53)

Two novel species, Lysobacter daejeonensis sp. nov. and Lysobacter yangpyeongensis sp. nov., isolated from Korean greenhouse soils

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2006)

Hang-Yeon Weon Byung‐Yong Kim Youn-Kyung Baek Seung-Hee Yoo Soon-Wo Kwon

Two bacterial strains were isolated from greenhouse soils of Daejeon and Yangpyeong regions in Korea. The strains, designated GH1-9T and GH19-3T, were Gram-negative and aerobic, with rod-shaped cells. Their DNA G+C contents were 61.7 and 67.3 mol%, respectively. The major fatty acids of strain GH1-9T were iso-C16 : 0, iso-C15 : 0, iso-C14 : 0, iso-C17 : 1omega9c and iso-C11 : 0 3-OH and the major components of strain GH19-3T were iso-C16 : 0, iso-C15 : 0, C16 : 1omega7c alcohol, iso-C17 : 1omega9c and iso-C11 : 0 3-OH. None of the species of the genus Lysobacter with validly published names showed 16S rRNA gene sequence similarity values of more than 97 % with respect to the novel isolates. The closest sequence similarity of strain GH1-9T was with Lysobacter concretion is DSM 16239T (96.4 %), whereas strain GH19-3T showed the highest sequence similarity with Lysobacter enzymogenes DSM 2043T (96.6 %). Polyphasic taxonomic studies indicated that the two strains should be classified as representing novel members of the genus Lysobacter. The names Lysobacter daejeonensis sp. nov. and Lysobacter yangpyeongensis sp. nov. are proposed, with strains GH1-9T (=KACC 11406T=DSM 17634T) and GH19-3T (=KACC 11407T=DSM 17635T), respectively, as the type strains.

Strain (injury)

10.1099/ijs.0.64095-0

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Citations (76)

Bacillus composti sp. nov. and Bacillus suwonensis sp. nov., Isolated from Cotton Composts

한국미생물학회 학술대회논문집 (2010)

Yiseul Kim Soojin Kim R. Anandham Seung-Hee Yoo Hang-Yeon Weon

Bacillus (shape)

Bacillaceae

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Devosia soli sp. nov., isolated from greenhouse soil in Korea

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2006)

Seung-Hee Yoo Hang-Yeon Weon Byung‐Yong Kim Seung‐Beom Hong Soon-Wo Kwon

A Gram-negative, obligately aerobic, rod-shaped bacterium was isolated from greenhouse soil used to cultivate lettuce. The strain, GH2-10 T , was characterized on the basis of phenotypic and genotypic data. 16S rRNA gene sequence analysis revealed that the isolate belonged to the genus Devosia , with highest sequence similarity (98.5 %) to Devosia riboflavina IFO 13584 T . Sequence similarities with other strains tested were below 97.0 %. Strain GH2-10 T had Q-10 as the predominant ubiquinone and C 18 : 1 ω 7 c and C 16 : 0 as the major fatty acids. The G+C content of the genomic DNA was 59.5 mol%. The results of DNA–DNA hybridization experiments (47 % relatedness between D. riboflavina DSM 7230 T and strain GH2-10 T ) and physiological and biochemical tests suggested that strain GH2-10 T represents a novel species of the genus Devosia , for which the name Devosia soli sp. nov. is proposed. The type strain is GH2-10 T (=KACC 11509 T =DSM 17780 T ).

Strain (injury)

Soil microbiology

genomic DNA

10.1099/ijs.0.64214-0

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Citations (47)

Tsukamurella soli sp. nov., isolated from soil

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2009)

Hang-Yeon Weon Seung-Hee Yoo R. Anandham Peter Schümann Reiner M. Kroppenstedt

A Gram-positive, rod-shaped, catalase-positive, oxidase-negative, white-coloured bacterium, designated strain JS18-1(T), 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 Tsukamurella with levels of sequence similarity of 95.4-96.5 %. Strain JS18-1(T) shared highest 16S rRNA gene sequence similarity with Tsukamurella strandjordii DSM 44573(T) (96.5 %), Tsukamurella carboxydivorans Y2(T) (96.4 %) and Tsukamurella tyrosinosolvens DSM 44234(T) (96.4 %). The G+C content of the total DNA of strain JS18-1(T) was 70 mol%. The cell-wall peptidoglycan type was A1gamma 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 C(16 : 0), C(18 : 1)omega9c, C(18 : 0) 10-methyl and summed feature 3 (C(16 : 1)omega7c and/or iso-C(15 : 0) 2-OH). Phylogenetic analysis based on 16S rRNA gene sequences and chemotaxonomic, biochemical and physiological characteristics indicate that strain JS18-1(T) represents a novel species of the genus Tsukamurella, for which the name Tsukamurella soli sp. nov. is proposed. The type strain is JS18-1(T) (=KACC 20764(T)=DSM 45046(T)).

10.1099/ijs.0.014852-0

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Citations (18)

Niastella koreensis gen. nov., sp. nov. and Niastella yeongjuensis sp. nov., novel members of the phylum Bacteroidetes, isolated from soil cultivated with Korean ginseng

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2006)

Hang-Yeon Weon Byung‐Yong Kim Seung-Hee Yoo Seon-Young Lee Soon-Wo Kwon

Two novel strains, GR20-10 T and GR20-13 T , were isolated from soil using R2A medium. The soil sample was collected from a field in the Yeongju region of Korea that was cultivated with Korean ginseng. Phylogenetic analysis based on 16S rRNA gene sequences indicated that these strains formed a cluster with several uncultured bacterial clones and with Flexibacter filiformis , Flexibacter sancti , Flexibacter japonensis , Cytophaga arvensicola and Flavobacterium ferrugineum (recently reclassified as Terrimonas ferruginea ) in the phylum Bacteroidetes . The level of 16S rRNA gene sequence similarity between the two novel strains was 98.9 %. Isolates GR20-10 T and GR20-13 T showed the highest sequence similarities to Flexibacter japonensis IFO 16041 T (91.8 and 91.9 %, respectively) and T. ferruginea ATCC 13524 T (90.4 and 90.6 %, respectively). The whole-cell fatty acid profiles of the two isolates were similar and their major fatty acids were 15 : 0 iso, 17 : 0 iso 3-OH and 15 : 1 iso G. The major isoprenoid quinone of both strains was MK-7. The G+C contents of GR20-10 T and GR20-13 T were 45.8 and 44.3 mol%, respectively. DNA–DNA hybridization (57 % DNA–DNA hybridization value) and phenotypic data indicated that strains GR20-10 T and GR20-13 T each belong to a separate species. On the basis of phenotypic and phylogenetic data and genomic distinctiveness, strains GR20-10 T and GR20-13 T represent two novel species in a novel genus in the phylum Bacteroidetes ; the names Niastella koreensis gen. nov., sp. nov. (the type species; type strain GR20-10 T =KACC 11465 T =DSM 17620 T ) and Niastella yeongjuensis sp. nov. (type strain GR20-13 T =KACC 11466 T =DSM 17621 T ) are proposed.

10.1099/ijs.0.64242-0

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Citations (95)

A Study on the Role of Communication in the University for Development of Organizational Identification : The Effect of Students’ University Newspaper Usage, Contents Satisfaction and Communication Climate on the Relationship with University and Identification

Gwanggohak yeon-gu/Gwang'gohag yeon'gu (2016)

Heewon Cha Yujin Lim Seung-Hee Yoo

Organizational identification

Identification

Organisation climate

Organizational Communication

10.14377/kja.2016.4.15.165

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Citations (0)