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쑥갓의 꽃에서 분리한 sesquiterpene lactones의 항균활성
하태정, 한효심, 장기창, 장대식, 조동령, 양민석, 이경동, Ha. Tae-Jung, Han. Hyo-Shim, Jang. Ki-Chang, Jang. Dae-Sik, Cho. Dong-Young, Yang. Min-Suk, Lee. Kyung-Don 한국응용생명화학회 한국농화학회지 5 Pages
한국응용생명화학회 한국농화학회지 2003, Vol.46 No.3 235-239 (5 pages)
쑥갓(Chrysanthemum coronapium L.)의 꽃에서 분리한 13개의 sesequiterpene lactone들에 대한 생리활성 실험의 일환으로, 세균 8종과 곰팡이 5종을 이용하여 항미생물 활성을 검토하였다. 그 결과, 항세균 실험에서 Gram 양성균인 Bacillus subtilis, Bacillus cereus, Staphylococcus aureus 균들과 Gram 음성균인 Vibrio parahaemolyticus균이 쑥갓에서 분리된 13종의 화합물들에 대하여 광범위한 활성을 나타내었으며, 이들 중에 dihydrochrysanolide 유도체가 Staphylococcus aureus균에서 $3.1;{mu}g{cdot}disc^{-1}$이하의 강한... -
지칭개, 구절초 및 산국에서 분리한 Sesquiterpene lactones의 항균활성
장대식, 박기훈, 이종록, 하태정, 박윤배, 남상해, 양민석, Jang. Dae-Sik, Park. Ki-Hun, Lee. Jong-Rok, Ha. Tae-Joung, Park. Yun-Bae, Nam. Sang-Hae, Yang. Min-Suk 한국응용생명화학회 한국농화학회지 4 Pages
한국응용생명화학회 한국농화학회지 1999, Vol.42 No.2 176-179 (4 pages)
지칭개, 구절초 및 산국에서 분리한 9종류의 sesquiterpene lactones에 대한 생리활성 실험의 일환으로, 10종의 세균에 대한 항세균활성과 6종의 식물병원균에 대한 항진균활성을 조사하였다. 항세균 활성실험에서는 지칭개에서 분리한 hemistepsin A와 B 그리고 산국에서 분리한 tulipinolide가 시험균주 전반에 대하여 강한 활성을 보였으며, 항진균 활성실험에서는 hemistepsin B, angeloylcumambrin B, tigloylcumambrin B, 그리고 costunolide가 광범위한 활성을 보였다. 또한, 항세균 활성실험과 항진균 활성실험 모두 비교적... -
산국으로부터 분리한 Sesquiterpene Lactones의 흰쥐 복수암에 대한 효과
남상해, 최상도, 최진상, 장대식, 최상욱, 양민석 한국식품영양과학회 한국식품영양과학회지 4 Pages
한국식품영양과학회 한국식품영양과학회지 1997, Vol.26 No.1 144-147 (4 pages)
산국의 꽃으로부터 2종의 sesquiterpene lactones을 분리정제하였으며, 각각 Compound I 과 II로 명명하였으며, 이 두 물질을 Sarcoma180에 감염된 ICR mouse에 대하여 항암효과실험을 수행한 결과 Compound I과 II의 투여농도가 10mg/kg일 때 수명 연장효과가 각 각 143%, 134%로 나타났다. 또한 Compound I 과 II 를 1mg/kg 씩을 섞어서 투여하였을 때에 158%의 수명 연장효과가 나타났다 -
Isolation of Magnolialide and Artesin from Cichorium intybus: Revised Structures of Sesquiterpene Lactones
Park. Hee-Juhn, Kwon. Sang-Hyuk, Yoo. Ki-Oug, Jung. Won-Tae, Lee. Kyung-Tae, Kim. Joo-Il, Han. Yong-Nam 한국생약학회 Natural product sciences 5 Pages
한국생약학회 Natural product sciences 2000, Vol.6 No.2 86-90 (5 pages)
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A Highly Diastereoselective Cyclocarbonylation of Allene-Aldehyde Mediated by Mo(CO)6: Synthesis of Bicyclic Lactones
Ko. Kyoung-Jun, Kim. Sang-Hoon, Kim. Yu-Rim, Min. Dong-Won, Yu. Chan-Mo 대한화학회 Bulletin of the Korean Chemical Society 2 Pages
대한화학회 Bulletin of the Korean Chemical Society 2007, Vol.28 No.11 1921-1922 (2 pages)
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Cephalosporolides H and I, Two Novel Lactones from a Marine-Derived Fungus, Penicillium sp.
Yao. Yanhua, Zheng. Yinan, Sattler. Isabel, Lin. Wenhan, Li. Xiang 대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 4 Pages
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 2007, Vol.30 No.7 812-815 (4 pages)
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Cytotoxic Germacranolide Sesquiterpene Lactones from Carpesium triste var. manshuricum
Kim. Mi-Ran, Hwang. Bang-Yeon, Jeong. Eun-Sook, Yoo. Hwan-Soo, Chung. Youn-Bok, Hong. Jin-Tae, Moon. Dong-Cheul 대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 5 Pages
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 2007, Vol.30 No.5 556-560 (5 pages)
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Cytotoxic and ACAT-inhibitory Sesquiterpene Lactones from the Root of Ixeris dentata forma albiflora
Ahn. Eun-Mi, Bang. Myun-Ho, Song. Myoung-Chong, Park. Mi-Hyun, Kim. Hwa-Young, Kwon. Byoung-Mog, Baek. Nam-In 대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 5 Pages
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 2006, Vol.29 No.11 937-941 (5 pages)
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Cytotoxic Sesquiterpene Lactones from Saussurea calcicola
Choi. Sang-Zin, Choi. Sang-Un, Lee. Kang-Ro 대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 5 Pages
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 2005, Vol.28 No.10 1142-1146 (5 pages)
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Cytotoxic Effects of Sesquiterpene Lactones from the Flowers of Hemisteptia Iyrata B.
Ha. Tae-Joung, Jang. Dae-Sik, Lee. Jong-Rok, Lee. Kyung-Dong, Lee. Jun, Hwang. Seon-Woo, Jung. Hwa-Jin, Nam. Sang-Hae, Park. Ki-Hun, Yang 대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 4 Pages
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 2003, Vol.26 No.11 925-928 (4 pages)
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Novel insertion mutation of ABCB1 gene in an ivermectin-sensitive Border Collie
Jae-Ik Han, Hyoung-Won Son, Seung-Cheol Park, Ki-Jeong Na* 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 4호 10 341-344 (4 pages)
P-glycoprotein (P-gp) is encoded by the ABCB1 gene and acts as an efflux pump for xenobiotics. In the Border Collie, a nonsense mutation caused by a 4-base pair deletion in the ABCB1 gene is associated with a premature stop to P-gp synthesis. In this study, we examined the full- length coding sequence of the ABCB1 gene in an ivermectin- sensitive Border Collie that lacked the aforementioned deletion mutation. The sequence was compared to the corresponding sequences of a wild-type Beagle and... -
Effects of C18 Fatty Acids on Intracellular Ca2+ Mobilization and Histamine Release in RBL-2H3 Cells
MyungChulKim, MinGyuKim, YoungSooJo, HoSunSong, TaeInEom, SangSooSim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.3 7 241-247 (7 pages)
To investigate the underlying mechanisms of C18 fatty acids (stearic acid, oleic acid, linoleic acid and α-linolenic acid) on mast cells, we measured the effect of C18 fatty acids on intracellular Ca2+ mobilization and histamine release in RBL-2H3 mast cells. Stearic acid rapidly increased initial peak of intracellular Ca2+ mobilization, whereas linoleic acid and α-linolenic acid gradually increased this mobilization. In the absence of extracellular Ca2+, stearic acid (100 μM) did not cause... -
Intracellular Ca2＋ Mobilization and Beta-hexosaminidase Release Are Not Influenced by 60 Hz-electromagnetic Fields (EMF) in RBL 2H3 Cells
YeonHeeHwang, HoSunSong, HeeRaeKim, MyoungSooKo, JaeMinJeong, YongHoKim, JeongSooRyu, UyDongSohn, Yoon-MyoungGimm, SungHoMyung, SangSooSim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.5 10 313-317 (5 pages)
The effects of extremely low frequency electromagnetic fields (EMF) on intracellular Ca2＋ mobilization and cellular function in RBL 2H3 cells were investigated. Exposure to EMF (60 Hz, 0.1 or 1 mT) for 4 or 16 h did not produce any cytotoxic effects in RBL 2H3 cells. Melittin, ionomycin and thapsigargin each dose-dependently increased the intracellular Ca2＋ concentration. The increase of intracellular Ca2＋ induced by these three agents was not affected by exposure to EMF (60 Hz, 1 mT) for 4... -
Diphenylhydantoin 및 Ouabain 이 흰쥐 적혈구세포막 ATPase에 미치는 영향
박찬웅(Park, Chan-Woong), 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1970, 제 6권 제 1호 1 1-8 (8 pages)
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Phytoplasma Infection could Affect Chemical Composition of Artemisia sieberi
Chamran Hemmati, Mehrnoosh Nikooei 한국식물병리학회 The Plant Pathology Journal 6 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 3호 8 274-279 (6 pages)
Artemisia sieberi showing symptoms resembling those caused by phytoplasma were observed in Geno Mountain, Hormozgan Province, Iran, and were examined for phytoplasma presence by PCR assays. In addition, the essential oils hydrodistilled from the aerial parts of phytoplasma-infected and healthy plants have been analyzed and compared by GC and GC/MS. Phylogenetic and virtual RFLP analysis of the 16S rRNA gene sequences revealed that the phytoplasma associated with A. sieberi witches’ broom (AsWB)... -
Effect of Producing Different Phenazines on Bacterial Fitness and Biological Control in Pseudomonas chlororaphis 30-84
한국식물병리학회 The Plant Pathology Journal 15 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 1호 5 44-58 (15 pages)
Pseudomonas chlororaphis 30-84 is a biological control agent selected for its ability to suppress diseases caused by fungal pathogens. P. chlororaphis 30-84 produces three phenazines: phenazine-1-carboxylic acid (PCA), 2-hydroxy-phenazine-1-carboxylic acid (2OHPCA) and a small amount of 2-hydroxy-phenazine (2OHPHZ), and these are required for fungal pathogen inhibition and wheat rhizosphere competence. The two, 2-hydroxy derivatives are produced from PCA via the activity of a phenazine-modifying... -
Proteomic Analysis of a Global Regulator GacS Sensor Kinase in the Rhizobacterium, Pseudomonas chlororaphis O6
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2014, 30권 2호 15 220-227 (8 pages)
The GacS/GacA system in the root colonizer Pseudomonas chlororaphis O6 is a key regulator of many traits relevant to the biocontrol function of this bacterium. Proteomic analysis revealed 12 proteins were down-regulated in a gacS mutant of P. chlororaphis O6. These GacS-regulated proteins functioned in combating oxidative stress, cell signaling, biosynthesis of secondary metabolism, and secretion. The extent of regulation was shown by real-time RT-PCR to vary between the genes. Mutants of P.... -
Research Articles : RNAseq-based Transcriptome Analysis of Burkholderia glumae Quorum Sensing
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 3호 4 249-259 (11 pages)
Burkholderia glumae causes rice grain rot and sheath rot by producing toxoflavin, the expression of which is regulated by quorum sensing (QS). The QS systems of B. glumae rely on N-octanoyl homoserine lactone, synthesized by TofI and its cognate receptor TofR, to activate the genes for toxoflavin biosynthesis and an IclR-type transcriptional regulator gene, qsmR. To understand genome-wide transcriptional profiling of QS signaling, we employed RNAseq of the wild-type B. glumae BGR1 with... -
Modulation of Quorum Sensing in Acyl homoserine Lactone Producing or Degrading Tobacco Plants Leads to Alteration of Induced Systemic Resistance Elicited by the Rhizobacterium Serratia marcescens 90 166
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 2호 8 182-192 (11 pages)
Numerous root-associated bacteria (rhizobacteria) are known to elicit induced systemic resistance (ISR) in plants. Bacterial cell-density-dependent quorum sensing (QS) is thought to be important for ISR. Here, we investigated the role of QS in the ISR elicited by the rhizobacterium, Serratia marcescens strain 90?166, in tobacco. Since S. marcescens 90?166 produces at least three QS signals, QS-mediated ISR in strain 90?166 has been difficult to understand. Therefore, we investigated the ISR... -
Biocontrol of Phytophthora Blight and Anthracnose in Pepper by Sequentially Selected Antagonistic Rhizobacteria against Phytophthora capsici
한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 2호 5 154-167 (14 pages)
We previously developed a sequential screening procedure to select antagonistic bacterial strains against Phytophthora capsici in pepper plants. In this study, we used a modified screening procedure to select effective biocontrol strains against P. capsici; we evaluated the effect of selected strains on Phytophthora blight and anthracnose occurrence and fruit yield in pepper plants under field and plastic house conditions from 2007 to 2009. We selected four potential biocontrol strains... -
Virulence Attenuation of Pectobacterium carotovorum Using N-Acyl-homoserine Lactone Degrading Bacteria Isolated from Potato Rhizosphere
한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2011, 27권 3호 5 242-248 (7 pages)
Several soil bacteria were found to degrade N-Acylhomoserine lactones (NAHLs), thereby interfering with the bacterial quorum sensing system. In this research, fifteen strains of NAHL degrading rhizobacteria were isolated from potato rhizosphere. Based on phenotypic characteristics and 16S rDNA sequence analyses, the strains were identified as members of genera Bacillus, Streptomyces, Arthrobacter, Pseudomonas and Mesorhizobium. All tested isolates were capable to degrade both synthetic and... -
새로운 생물적 방제 전략: 미생물 인자 유래 식물면역 유도
이상무, 정준휘, 류충민, 한국식물병리학회 식물병연구 19 Pages
한국식물병리학회 식물병연구 2015, 21권 2호 10 161-179 (19 pages)
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Removal of chromium from tannery wastewater by electrosorption on carbon prepared from peach stones: effect of applied potential
Mounir Ziati, Fariza Khemmari, Mohamed Kecir, Sabir Hazourli 한국탄소학회 Carbon Letters 5 Pages
한국탄소학회 Carbon Letters 2017, Vol.21 10 81-85 (5 pages)
The objective of this study is the removal of chromium from tannery wastewater by electrosorption on carbon prepared from lignocellulosic natural residue "peach stones' thermally treated. The followed steps for obtaining coal in chronological order were: cleaning, drying, crushing and finally its carbonization at 900°C. The characterization of the carbon material resulted in properties comparable to those of many coals industrially manufactured. The study of the dynamic adsorption of chromium... -
A facile green reduction of graphene oxide using Annona squamosa leaf extract
Basavaiah Chandu, Venkata Sai Sriram Mosali, Bhanu Mullamuri, Hari Babu Bollikolla 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2017, Vol.21 9 74-80 (7 pages)
A highly facile and eco-friendly green synthesis of Annona squamosa (custard apple) leaf extract reduced graphene oxide (CRG) nanosheets was achieved by the reduction of graphene oxide (GO). The as-prepared CRG was characterized with X-ray diffraction (XRD), transmission electron microscope (TEM), Fourier-transform infrared spectroscopy (FT-IR), ultraviolet-visible (UV-Vis), X-ray photoelectron spectroscopy (XPS) and Raman spectroscopic techniques. Removal of oxygen containing moieties from the... -
Adsorption capability of activated carbon synthesized from coconut shell
Md Shariful Islam, Bee Chin Ang, Samira Gharehkhani, Amalina Binti, Muhammad Afifi 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2016, Vol.20 1 1-9 (9 pages)
Activated carbon was synthesized from coconut shells. The Brunauer, Emmett and Teller surface area of the synthesized activated carbon was found to be 1640 m2/g with a pore volume of 1.032 cm3/g. The average pore diameter of the activated carbon was found to be 2.52 nm. By applying the size-strain plot method to the X-ray diffraction data, the crystallite size and the crystal strain was determined to be 42.46 nm and 0.000489897, respectively, which indicate a perfect crystallite structure. The... -
Adsorption of lisinopril and chlorpheniramine from aqueous solution on dehydrated and activated carbons
El-Said I. El-Shafey, Haider A. J. Al-Lawati, Wafa S. H. Al-Saidi 한국탄소학회 Carbon Letters 11 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 2 12-22 (11 pages)
Date palm leaflets were used as a precursor to prepare dehydrated carbon (DC) via phosphoric acid treatment at 150°C. DC, acidified with H3PO4, was converted to activated carbon (AC) at 500°C under a nitrogen atmosphere. DC shows very low surface area (6.1 m2/g) while AC possesses very high surface area (829 m2/g). The removal of lisinopril (LIS) and chlorpheniramine (CP) from an aqueous solution was tested at different pH, contact time, concentration, and temperature on both carbons. The... -
Effect of surface modification of carbon felts on capacitive deionization for desalination
Jong-Ho Lee, Hong-Joo Ahn, Donghwan Cho, Jeong-Il Youn, Young-Jig Kim, Han-Jun Oh 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.2 4 93-100 (8 pages)
Surface modified carbon felts were utilized as an electrode for the removal of inorganic ions from seawater. The surfaces of the carbon felts were chemically modified by alkaline and acidic solutions, respectively. The potassium hydroxide (KOH) modified carbon felt exhibited high Brunauer-Emmett-Teller (BET) surface areas and large pore volume, and oxygencontaining functional groups were increased during KOH chemical modification. However, the BET surface area significantly decreased by nitric... -
Removal of deltamethrin insecticide over highly porous
A. F. Hassan, A.M. Youssef, P. Priecel 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2013, Vol.14 No.4 6 234-242 (9 pages)
