http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이종근,임미경,이광휘,김한경,김태수 國立 昌原大學校 精報通信硏究所 1998 精報通信論文集 Vol.2 No.-
This paper presents a system for internetworking between different network management protocols. The internetworking system between SNMP(Simple Network Management Protocol) and CMIP(Common Management Information Protocol) has been designed. SNMP has been used as a standard protocol in Internet while CMIP has been selected as management protocol in OSI network. This approach is different from previous researches which convert protocols between management protocols. We have newly defined manage objects structure. Thus, even if a new management protocol would be introduce in addition, the new gateway system needs not be designed. We can achieve it through minimum modification in the interface of the managed objects. So, we can support managed objects defined previously using MOVI(Manage Object View Interface) concept presented in our previous research. Through this research, we have some additional benefits: it is able to internetwork between more complicated network management protocols, to increase usefulness of SNMP and CMIP, also it will use in internetworking between new network management protocols.
( Jong Hui Lim ),( Chang Hwan Ahn ),( Hee Young Jeong ),( Yo Hwan Kim ),( Sang Dal Kim ) 한국응용생명화학회 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.2
The plant growth promoting rhizobacteria (PGPR) strains Bacillus subtilis AH18 and Bacillus licheniformis K11 were selected as biocontrol agents for the suppression of phytophthora blight caused by Phytophthora capsici. A genetic monitoring method was developed utilizing multiplex and real-time polymerase chain reaction (PCR) in a pepper farming soil. 2,3-Dihydro-2,3-dihydroxy benzoate dehydrogenase of a key siderophore synthesis enzyme (sid), auxin efflux carrier gene (aec), and cellulase gene (cel) of B. subtilis AH18 were used as genetic methods to monitor the presence and concentration of the inoculated microbial agents. Monitoring of B. licheniformis K11 was carried out by amplification of a cellulase gene (celK), siderophore synthase gene (dhbF), and iturin synthase A gene (ituA). B. subtilis AH18 and B. lichenifomis K11 could be detected upto 20 days by multiplex PCR in pepper farming soil. B. subtilis AH18 sid and three Bacillus lichenifomis K11 genes could be detected upto week 5 by real-time PCR in the natural unsterilized soil. P. capsici pathogen became nearly undetectable after 20 days biocontrol treatment in the field soil. These results could lead to the development of select PGRPs as useful microbial agents for the organic farming of peppers.
Induction of Drought Stress Resistance by Multi-Functional PGPR Bacillus licheniformis K11 in Pepper
Lim, Jong-Hui,Kim, Sang-Dal The Korean Society of Plant Pathology 2013 Plant Pathology Journal Vol.29 No.2
Drought stress is one of the major yield affecting factor for pepper plant. The effects of PGPRs were analyzed in relation with drought resistance. The PGPRs inoculated pepper plants tolerate the drought stress and survived as compared to non-inoculated pepper plants that died after 15 days of drought stress. Variations in protein and RNA accumulation patterns of inoculated and non-inoculated pepper plants subjected to drought conditions for 10 days were confirmed by two dimensional polyacrylamide gel electrophoresis (2D-PAGE) and differential display PCR (DD-PCR), respectively. A total of six differentially expressed stress proteins were identified in the treated pepper plants by 2D-PAGE. Among the stress proteins, specific genes of Cadhn, VA, sHSP and CaPR-10 showed more than a 1.5-fold expressed in amount in B. licheniformis K11-treated drought pepper compared to untreated drought pepper. The changes in proteins and gene expression patterns were attributed to the B. licheniformis K11. Accordingly, auxin and ACC deaminase producing PGPR B. licheniformis K11 could reduce drought stress in drought affected regions without the need for overusing agrochemicals and chemical fertilizer. These results will contribute to the development of a microbial agent for organic farming by PGPR.
Lim, Jong-Hui,Ahn, Chang-Hwan,Jeong, Hee-Young,Kim, Yo-Hwan,Kim, Sang-Dal The Korean Society for Applied Biological Chemistr 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.2
The plant growth promoting rhizobacteria (PGPR) strains Bacillus subtilis AH18 and Bacillus licheniformis K11 were selected as biocontrol agents for the suppression of phytophthora blight caused by Phytophthora capsici. A genetic monitoring method was developed utilizing multiplex and real-time polymerase chain reaction (PCR) in a pepper farming soil. 2,3-Dihydro-2,3-dihydroxy benzoate dehydrogenase of a key siderophore synthesis enzyme (sid), auxin efflux carrier gene (aec), and cellulase gene (cel) of B. subtilis AH18 were used as genetic methods to monitor the presence and concentration of the inoculated microbial agents. Monitoring of B. licheniformis K11 was carried out by amplification of a cellulase gene (celK), siderophore synthase gene (dhbF), and iturin synthase A gene (ituA). B. subtilis AH18 and B. lichenifomis K11 could be detected upto 20 days by multiplex PCR in pepper farming soil. B. subtilis AH18 sid and three Bacillus lichenifomis K11 genes could be detected upto week 5 by real-time PCR in the natural unsterilized soil. P. capsici pathogen became nearly undetectable after 20 days biocontrol treatment in the field soil. These results could lead to the development of select PGRPs as useful microbial agents for the organic farming of peppers.
Lim, Jong-Ok,Oh, Myeong-Hui,Lee, Jong-Wook,Lee, Seung-Hwan Korean Society of Applied Entomology 2007 Journal of Asia-Pacific Entomology Vol.10 No.4
An ectoparasitoid natural enemy, Cephalonomia gallicola (Ashmead 1887) (Hymenoptera: Bethylidae) was found in the mass rearing colonies of cigarette beetle, Lasioderma serricorne (Fabricius 1792) (Coleoptera: Anobiidae), under laboratory condition. As the first record in Korea, the description of the apterous female is provided for the macerated microslide specimens, with the detail illustration for the taxonomic characteristics and the biometric data.
Lim, Jong-Hui,Kim, Sang-Dal The Korean Society for Applied Biological Chemistr 2009 Applied Biological Chemistry (Appl Biol Chem) Vol.52 No.5
In this study, we invested the synergistic plant promotion ability of red-pepper and tomato by the selected multi-functional PGPR: Bacillus subtilis AH18 and Bacillus licheniformis K11. The both strains of PGPR B. licheniformis K11 and B. subtilis AH18 produced the auxins, antifungal ${\beta}$-glucannase, and siderophores, and were capable of solubilizing insoluble phosphates. The auxins produced by B. subtilis AH18 and B. licheniformis K11 were purified and identified from culture filtrates using PVP column, Sephadex LH-20 column chromatography, HPLC, GC-MS, and $^1HNMR$. The purified $auxin_{AH18}$ was confirmed to have derivatives composed with IAA of MW 175, IBA of MW 203, and IPA of MW 189. The amount ratio of $auxin_{AH18}$ producing was as follows: IAA:IBA:IPA=1:1.5:2.6. The purified $auxin_{K11}$ consisted of an IBA of MW 203. B. licheniformis K11 and B. subtilis AH18 stimulated seed germination and root growth of red-pepper, tomato, green onions, and spinach. In particular, red-pepper and tomato plants displayed up to 20% increased root, stem, and leaf growth. When the pots were simultaneously treated with a combination of $auxin_{AH18}$ and $auxin_{K11}$, the growth rates of red pepper and tomato plants were over 20% greater than observed with treatment with either auxin alone.
Lim, Jong-Hui,An, Chang-Hwan,Kim, Yo-Hwan,Jung, Byung-Kwon,Kim, Sang-Dal The Korean Society for Applied Biological Chemistr 2012 Applied Biological Chemistry (Appl Biol Chem) Vol.55 No.5
Plant tissues produce ethylene under the environmental stresses such as drought, salinity, and heavy metals. Ethylene concentration can be reduced by 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase produced by plant growth-promoting rhizobacterium (PGPR), which cleaves the ethylene precursor ACC. The present study focused on alleviation of environmental stress by selected PGPR, which could suppress fungal plant disease. These PGPRs were capable of utilizing ACC as sole source of nitrogen and also produced auxin. Seed germination of red pepper was reduced with increasing salt concentration, and approximately 98.2% of seeds germinated in the absence of salt, whereas only 36.2% seeds germinated in the presence of 175 mM NaCl. Seed germination was also decreased by 62.1 and 19.9% in the presence of 120mM NaCl and 120mM NaCl+ACC deaminase-producing PGPR Pseudomonas fluorescens 2112, respectively, compared to uninoculated control. The effect of salinity stress with different salt concentration on pepper plants and their alleviation with PGPR was evaluated. Non-inoculated pepper plants died after 5 week when grown in the presence of high salt (120 mM NaCl), whereas 80% of pepper plants inoculated with P. fluorescens 2112 survived under the high salt stress. Salt stress also decreased the fresh and dry weights of pepper grown, compared to the negative control, whereas pepper plants inoculated with P. fluorescens 2112 retained the biomass similar to control plants. These results indicate that ACC deaminase and auxin producing P. fluorescens 2112 is a multi-functional PGPR that can promote the growth and development of pepper plants by alleviating the high-salt stress.
( Jong Hui Lim ),( Hee Young Jeong ),( Sang Dal Kim ) 한국응용생명화학회(구 한국농화학회) 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.3
In order to isolate the antibacterial bacteriocin-producing bacteria against Listeria monocytogenes, one of noxious and prevalent food-poisoning bacterium, 117 strains of indigenous ferment bacteria were isolated from Korean traditional fermented soybean paste (Doenjang) in Korea. Among the isolated strains, 4 isolates inhibited the growth of L. monocytogenes. Strain J4, showing the strongest inhibition activity against L. monocytogenes, was identified as a Bacillus amyloliquefaciens by 16S rDNA sequencing. The strain had a broad spectrum of antibacterial activity against various food-borne pathogens such as Micrococcus luteus, Vibrio parahaemolyticus, and Staphylococcus aureus besides L. monocytogenes. The bacteriocin J4 was purified by 60% ammonium sulfate precipitation, carboxymethyl (CM)-Sephadex column chromatography, and Sephadex G-100 gel filtration. The purified bacteriocin J4 was estimated to be 39 kDa molecular weight by tricine sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). Bacterocin J4 had antimicrobial activity in a wide pH range (2.0-12.0) and was heat-stable at 80˚C for 20 min, but the activity of bacterocin was inactivated by heating at 100˚C for 15 min. The antimicrobial activity of the bacteriocin J4 was completely abolished by treatment with proteolytic enzymes such as protease (type I and IX), papain, trypsin, proteinase K, and pepsin, but not when treated with α-amylase, α-glucosidase, and β-glucosidase. The encoding gene of the bacteriocin J4 was included in chromosomal DNA, not plasmid. The bacteriocin J4 had a bacteriolytic mechanism, resulting in cell wall degradation of L. monocytogenes.