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Detection of Clavibacter michiganensis subsp. michiganensis Assisted by Micro- Raman Spectroscopy under Laboratory Conditions
Moisé, s Roberto Vallejo Pé, rez, Hugo Ricardo Navarro Contreras, Jesú, s A. Sosa Herrera, José, Pablo Lara Á, vila 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 5호 4 381-392 (12 pages)
a contagion process was induced with Cmm, the disease epidemiology was monitored. Micro-Raman spectroscopy (532 nm λ laser) technique was evaluated its performance at assisting on Cmm detection through its characteristic Raman spectrum fingerprint. Our experiment was conducted with tomato plants in a completely randomized block experimental design (13 plants × 4 rows). The Cmm infection was confirmed by 16S rDNA and plants showed symptoms from 48 to 72 h after inoculation, the evolution of the... -
Micro-sized carbon with dimple patterns prepared using an electro-spray method
Mi-Seon Park, Young-Seak Lee 한국탄소학회 Carbon Letters 4 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.3 9 215-218 (4 pages)
Carbon micro particles with dimple patterns were produced by electro-spraying a solution of pitch in tetrahydrofuran. Particle formation depended on separation in an electrical field and volatilization of the solvent. More than 80% of the obtained carbon exhibited an average particle size of less than 50 μm. X-ray diffraction analysis suggests that the carbon with dimple patterns has increased crystallinity after heat treatment. -
Characteristics of Pre-service English Teachers’ Micro-teaching Feedback and its Relations with their Self-efficacy and Perceptions
Hyunjeong Nam 경인교육대학교 교육연구원 교육논총 23 Pages
경인교육대학교 교육연구원 교육논총 2020, 제 40권 제 3호 8 157-179 (23 pages)
As the importance of micro-teaching and feedback is acknowledged in previous research, the present study aims to explore the features of self and peer-feedback in three dimensions (direct-indirect, corrective-suggestive, and emotional–factual). In addition, the paper investigates whether pre-service teachers’ self-efficacy and perceptions affect the features of their feedback. A total of 45 pre-service English teachers at a university participated in the study. The study utilized two... -
Design of Electromagnetically Driven Micro Scanning Mirror for Laser Animation System
이경건, 장윤호, 유병욱, 진주영, 임용근, 김용권, Lee. Kyoung-Gun, Jang. Yun-Ho, Yoo. Byung-Wook, Jin. Joo-Young, Lim. Yong-Geun, Kim. Yong-Kweon 대한전기학회 전기학회논문지= The Transactions of the Korean Institute of Electrical Engineers 8 Pages
대한전기학회 전기학회논문지= The Transactions of the Korean Institute of Electrical Engineers 2009, Vol.58 No.3 578-585 (8 pages)
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Novel Intensity-Based Fiber Optic Vibration Sensor Using Mass-Spring Structure
호 일, 김현호, 최상진, 반재경, Yi. Hao, Kim. Hyeon-Ho, Choi. Sang-Jin, Pan. Jae-Kyung 대한전자공학회 Journal of the Institute of Electronics and Information Engineers 9 Pages
대한전자공학회 Journal of the Institute of Electronics and Information Engineers 2014, Vol.51 No.6 78-86 (9 pages)
여 구하고, 개구면의 상대적인 변위에 따른 출력값을 실험을 통하여 측정한다. 이를 이용하여 진동에 따른 출력 특성을 파악한 결과 센서 민감도 $15.731{mu}W/G$, 감지영역 ${pm}6.087G$를 얻었다. 그리고 입력광원의 파워가 10 dB까지 변하더라도 참조광을 이용하여 0.75%의 상대오차를 보이는 매우 안정된 출력광 파워를 얻었다. 제안한 광섬유 진동센서는 간단한 구조, 저비용 및 다지점 측정 가능의 특징을 가지면서, MEMS (Micro-Electro-Mechanical System) 기술을 이용하여 소형으로 간편하게 제작할 수 있는 잠재력을 가진다. -
Are pulmonary hemostasis and fibrinolysis out of balance in equine chronic pneumopathies?
Ann Kristin Barton, Caroline Wirth, Angelika Bondzio, Ralf Einspanier, Heidrun Gehlen 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 3호 12 349-357 (9 pages)
Clinical examination, bronchoalveolar lavage fluid (BALF) cytology, acute-phase protein, and pulmonary hemostasis and fibrinolysis marker (fibrinogen, serum amyloid A [SAA], and D-dimer) results were compared between control and respiratory disease-affected horses. Using a clinical scoring system, horses (n = 58) were classified as respiratory disease-free (Controls, n = 15) or with recurrent airway obstruction (RAO; n = 18), inflammatory airway disease (n = 14) or chronic interstitial... -
Expression and lytic efficacy assessment of the Staphylococcus aureus phage SA4 lysin gene
Anil Kumar Mishra*, Mayank Rawat, Konasagara Nagaleekar Viswas, Abhishek, Sujeet Kumar, Manjunatha Reddy 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 1호 6 37-43 (7 pages)
Treatment of bovine mastitis caused by Staphylococcus (S.) aureus is becoming very difficult due to the emergence of multidrug-resistant strains. Hence, the search for novel therapeutic alternatives has become of great importance. Consequently, bacteriophages and their endolysins have been identified as potential therapeutic alternatives to antibiotic therapy against S. aureus. In the present study, the gene encoding lysin (LysSA4) in S. aureus phage SA4 was cloned and the nucleotide sequence... -
Short Communication : Fecal microbiota analysis of obese dogs with underlying diseases: a pilot study
Hyung Jin Park , Sang Eun Lee , Hyeun Bum Kim , Jae Hoon Kim , Kyoung Won Seo , Kun Ho Song 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 4 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2015, 제 55권 제 3호 9 205-208 (4 pages)
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The effects of posterior retraction on the displacement of the maxilla
Bo-Yeong Yoo, Jong-Chul Kim 대한치과교정학회 The Korean Journal of Orthodontics 13 Pages
대한치과교정학회 The Korean Journal of Orthodontics 1996, 제 26권 제 6호 5 691-703 (13 pages)
Three-dimensional finite element model was made from adult skull to find desirable direction of retraction force to treat skeletal class II malocclusion. The retraction force of 400g was applied to the first molar. The direction of the force application was 23° downward, parallel, 23° upward and 45` upward to the occlusal plane. The stress distribution and the displacement within the maxilla were analyzed by three-dimensional finite element method. The findings obtained were as follows: 1.... -
미적 교육으로서의 음악교육에 대한 철학적 관점의 비평적 조망
주대창(Dae Chang Ju) 한국음악교육학회 음악교육연구 21 Pages
한국음악교육학회 음악교육연구 2014, 제 43권 제 2호 5 93-113 (21 pages)
음악교육철학 분야에서 미적 교육은 가장 중요한 이슈의 하나로 다루어지고 있다. 그러나 그 기원과 철학적 의도에 대해 충분한 검토가 이루어지지 않은 실정이다. 본 연구는 미학을 탄생시킨 바움가르텐, 그것의 목적론적 활용을 추구한 칸트, 그리고 그의 사고를 이어받아 미적 교육이라는 교육적 아이디어를 가시화 한 쉴러를 하나의 철학적 체계 안에서 살펴보았다. 이를 통하여 오늘날 음악교육에서 내세우는 철학적 근거로서의 미적 교육이 본래의 철학적 의도와 일치하지 않으며, 그러한 무의식적 변질이 음악교육의 당위성을... -
Epigenetic modification of α-N-acetylgalactosaminidase enhances cisplatin resistance in ovarian cancer
Ye-NaHa, HyeYounSung, San-DukYang, YunJuChae, WoongJu, Jung-HyuckAhn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2018, Vol.22 No.1 5 43-51 (9 pages)
Although cisplatin is one of the most effective antitumor drugs for ovarian cancer, the emergence of chemoresistance to cisplatin in over 80% of initially responsive patients is a major barrier to successful therapy. The precise mechanisms underlying the development of cisplatin resistance are not fully understood, but alteration of DNA methylation associated with aberrant gene silencing may play a role. To identify epigenetically regulated genes directly associated with ovarian cancer cisplatin... -
Voluntary stand-up physical activity enhances endurance exercise capacity in rats
DaeYunSeo, SungRyulLee, Hyo-BumKwak, KyoWonSeo, RobinAMcGregor, JiYoungYeo, TaeHeeKo, SaranhuuBolorerdene, NariKim, KyungSooKo, ByoungDooR 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.3 8 287-295 (9 pages)
Involuntary physical activity induced by the avoidance of electrical shock leads to improved endurance exercise capacity in animals. However, it remains unknown whether voluntary stand-up physical activity (SPA) without forced simulating factors improves endurance exercise capacity in animals. We examined the eff ects of SPA on body weight, cardiac function, and endurance exercise capacity for 12 weeks. Twelve male Sprague-Dawley rats (aged 8 weeks, n=6 per group) were randomly assigned to a... -
Functional Connections of the Vestibulo-spino-adrenal Axis in the Control of Blood Pressure Via the Vestibulosympathetic Reflex in Conscious Rats
Huan-JunLu, Mei-HanLi, Mei-ZhiLi, SangEonPark, MinSunKim, Yuan-ZheJin, ByungRimPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.5 5 427-434 (8 pages)
Significant evidence supports the role of the vestibular system in the regulation of blood pressure during postural movements. In the present study, the role of the vestibulo-spino-adrenal (VSA) axis in the modulation of blood pressure via the vestibulosympathetic reflex was clarified by immunohis-tochemical and enzyme immunoassay methods in conscious rats with sinoaortic denervation. Expression of c-Fos protein in the intermediolateral cell column of the middle thoracic spinal regions and blood... -
Dexmedetomidine Modulates Histamine-induced Ca2+ Signaling and Pro-inflammatory Cytokine Expression
DongkiYang, JeongHeeHong 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.5 3 413-420 (8 pages)
Dexmedetomidine is a sedative and analgesic agent that exerts its effects by selectively agonizing α2 adrenoceptor. Histamine is a pathophysiological amine that activates G protein-coupled receptors, to induce Ca2+ release and subsequent mediate or progress inflammation. Dexmedetomidine has been reported to exert inhibitory effect on inflammation both in vitro and in vivo studies. However, it is unclear that dexmedetomidine modulates histamine-induced signaling and pro-inflammatory cytokine... -
Bacterial PAMPs and Allergens Trigger Increase in [Ca2+]i-induced Cytokine Expression in Human PDL Fibroblasts
Ga-YeonSon, DongMinShin, JeongHeeHong 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.3 15 291-297 (7 pages)
An oral environment is constantly exposed to environmental factors and microorganisms. The periodontal ligament (PDL) fibroblasts within this environment are subject to bacterial infection and allergic reaction. However, how these condition affect PDL fibroblasts has yet to be elucidated. PDL fibroblasts were isolated from healthy donors. We examined using reverse transcription-polymerase chain reaction and measuring the intracellular Ca2+ concentration ([Ca2+]i). This study investigated the... -
Aortic Remodelling in Chronic Nicotine-Administered Rat
SatirahZainalabidin, SitiBalkisBudin, AnRamalingam, YiChengLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.5 9 411-418 (8 pages)
Vascular remodelling is an adaptive mechanism, which counteracts pressure changes in blood circulation. Nicotine content in cigarette increases the risk of hypertension. The exact relationship between nicotine and vascular remodelling still remain unknown. Current study was aimed to determine the effect of clinically relevant dosage of nicotine (equivalent to light smoker) on aortic reactivity, oxidative stress markers and histomorphological changes. Twelve age-matched male Sprague-Dawley rats... -
Cyclophilin A as a New Therapeutic Target for Hepatitis C Virus- induced Hepatocellular Carcinoma
JinhwaLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.5 1 375-383 (9 pages)
Hepatocellular carcinoma (HCC) related to hepatitis B virus (HBV) and hepatitis C virus (HCV) infections is thought to account for more than 80% of primary liver cancers. Both HBV and HCV can establish chronic liver inflammatory infections, altering hepatocyte and liver physiology with potential liver disease progression and HCC development. Cyclophilin A (CypA) has been identified as an essential host factor for the HCV replication by physically interacting with the HCV non structural protein... -
A Review on Renal Toxicity Profile of Common Abusive Drugs
VarunParkashSingh, NirmalSingh, AmteshwarSinghJaggi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.4 13 347-357 (11 pages)
Drug abuse has become a major social problem of the modern world and majority of these abusive drugs or their metabolites are excreted through the kidneys and, thus, the renal complications of these drugs are very common. Morphine, heroin, cocaine, nicotine and alcohol are the most commonly abused drugs, and their use is associated with various types of renal toxicity. The renal complications include a wide range of glomerular, interstitial and vascular diseases leading to acute or chronic renal... -
Activation of Lysophosphatidic Acid Receptor Is Coupled to Enhancement of Ca2＋-Activated Potassium Channel Currents
Sun-HyeChoi, Byung-HwanLee, Hyeon-JoongKim, Sung-HeeHwang, Sang-MokLee, Seung-YeolNah 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.3 7 223-228 (6 pages)
The calcium-activated K＋ (BKCa) channel is one of the potassium-selective ion channels that are present in the nervous and vascular systems. Ca2＋ is the main regulator of BKCa channel activation. The BKCa channel contains two high affinity Ca2＋ binding sites, namely, regulators of K＋ conductance, RCK1 and the Ca2＋ bowl. Lysophosphatidic acid (LPA, 1-radyl-2-hydroxy-sn-glycero-3-phosphate) is one of the neurolipids. LPA affects diverse cellular functions on many cell types through G protein-... -
Signaling Pathway of Lysophosphatidic Acid-Induced Contraction in Feline Esophageal Smooth Muscle Cells
YunSungNam, JungSookSuh, HyunJuSong, UyDongSohn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.2 5 139-147 (9 pages)
Lysolipids such as LPA, S1P and SPC have diverse biological activities including cell proliferation, differentiation, and migration. We investigated signaling pathways of LPA-induced contraction in feline esophageal smooth muscle cells. We used freshly isolated smooth muscle cells and permeabilized cells from cat esophagus to measure the length of cells. Maximal contraction occurred at 10−6 M and the response peaked at 30s. To identify LPA receptor subtypes in cells, western blot analysis... -
The Protective Effect of Eupatilin against Hydrogen Peroxide-Induced Injury Involving 5-Lipoxygenase in Feline Esophageal Epithelial Cells
JaeChunLim, SunYoungPark, YoonjinNam, ThanhThaoNguyen, UyDongSohn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.5 4 313-320 (8 pages)
In this study, we focused to identify whether eupatilin (5,7-dihydroxy-3',4',6-trimethoxyflavone), an extract from Artemisia argyi folium, prevents H2O2-induced injury of cultured feline esophageal epithelial cells. Cell viability was measured by the conventional MTT reduction assay. Western blot analysis was performed to investigate the expression of 5-lipoxygenase by H2O2 treatment in the absence and presence of inhibitors. When cells were exposed to 600 ՌM H2O2 for 24 hours, cell... -
The Protective Effect of Quercetin-3-O-β-D-Glucuronopyranoside on Ethanol-induced Damage in Cultured Feline Esophageal Epithelial Cells
JungHyunCho, SunYoungPark, HoSungLee, WanKyunnWhang, UyDongSohn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.6 1 319-326 (8 pages)
Quercetin-3-O-Ղ-D-glucuronopyranoside (QGC) is a flavonoid glucoside extracted from Rumex Aquaticus Herba. We aimed to explore its protective effect against ethanol-induced cell damage and the mechanism involved in the effect in feline esophageal epithelial cells (EEC). Cell viability was tested and 2',7'-dichlorofluorescin diacetate assay was used to detect intracellular H2O2 production. Western blotting analysis was performed to investigate MAPK activation and interleukin 6 (IL-6)... -
c-fos mRNA Expression in the Vestibular System following Hypergravity Stimulation in Rats
GuangShiJin, JaeHyoLee, JaeHeeLee, MoonYoungLee, MinSunKim, YuanZheJin, JeongHoonSong, ByungRimPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2007, Vol.11 No.1 1 1-7 (7 pages)
Altered environmental gravity, including both hypo- and hypergravity, may result in space adaptation syndrome. To explore the characteristics of this adaptive plasticity, the expression of immediate early gene c-fos mRNA in the vestibular related tissues following an exposure to hypergravity stimulus was determined in rats. The animals were subjected to a force of 2 g (twice earth's gravity) for 1, 3, or 12 h, and were examined poststimulus at 0, 2, 6, 12, and 24 h. RT-PCR (reverse transcription... -
Regulation of Vacuolar H+-ATPase c Gene Expression by Oxidative Stress
Whan-JongKwak, Seong-MookKim, Min-SungKim, Jung-HoonKang, Dong-JinKim, Ho-ShikKim, Oh-JooKown, In-KyungKim, Seong-WhanJeong 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.5 4 275-282 (8 pages)
By using differential display, we identified one of the genes encoding the multi-subunit complex protein V-ATPase, c subunit gene (ATP6L), and showed alterations of the gene expression by oxidative stresses. Expression of the ATP6L gene in Neuro-2A cells was increased by the treatment with H2O2 and incubation in hypoxic chamber, implying that the expression of the ATP6L gene is regulated by oxidative stresses. To examine mechanisms involved in the regulation of the gene expression by oxidative... -
정신분열병의 인지재활
이희상, 안석균, 이만홍 대한신경정신의학회 신경정신의학 12 Pages
대한신경정신의학회 신경정신의학 1998, 제 37권 제 2호 1 203-214 (12 pages)
정신분열병 환자에서 인지기능의 장애를 보인다는 점은 널리 받아들여지고 있다. 최근 들어 인지결함에 대 한 치료적 개입의 가능성이 시사되면서 정신분열병의 인지재활이 시도되고 있다. 본 논문에서는 인지재활과 관련되어 제기되는 몇 가지 질문에 대해 살펴보았다. 즉, 1) 인지재활은 무엇인 가?；2) 정신분열병의 정보처리 모델에 따른 인지재활 방법은 어떤 것들이 가능하겠는가?；3) 인지재활의 방법에는 어떠한 것들이 있는가? ；4) 몇몇 인지기능 결함에 대한 인지재활 방법은 어떻게 하는 것인 가?；5) 인지재활을 시행함에... -
The Molecular Basis and Physiological Implications of Red Cell Deformability
Chien, Shu 대한생리학회 대한생리학회지 14 Pages
대한생리학회 대한생리학회지 1991, 제 25권 제 2호 1 101-114 (14 pages)
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Control Efficacy of Bacillus velezensis AFB2-2 against Potato Late Blight Caused by Phytophthora infestans in Organic Potato Cultivation
Min Jeong Kim, Chang Ki Shim, Jong-Ho Park 한국식물병리학회 The Plant Pathology Journal 16 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 6호 8 580-595 (16 pages)
Although late blight is an important disease in eco- friendly potato cultivation in Korea, it is highly depen- dent on the use of eco-friendly agricultural materials and the development of biological control technology is low. It is a necessary to develop an effective biocontrol agent to inactivate late blight in the field. AFB2-2 strain is a gram-positive with peritrichous flagella. It can uti- lize 20 types of carbon sources, like L-arabinose, and D- trehalose at 35°C. The optimal growth... -
Carbamoyl Phosphate Synthase Subunit CgCPS1 Is Necessary for Virulence and to Regulate Stress Tolerance in Colletotrichum gloeosporioides
Aamar Mushtaq, Muhammad Tariq, Maqsood Ahmed, Zongshan Zhou, Imran Ali, Raja Tahir Mahmood 한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 3 232-242 (11 pages)
Glomerella leaf spot (GLS) is a severe infectious dis- ease of apple whose infective area is growing gradually and thus poses a huge economic threat to the world. Different species of Colletotrichum including Colleto- trichum gloeosporioides are responsible for GLS. For efficient GLS control, it is important to understand the mechanism by which the cruciferous crops and C. gloeosporioides interact. Arginine is among one of the several types of amino acids, which plays crucial role in biochemical... -
Effects of Salicylic Acid and Indole Acetic Acid Exogenous Applications on Induction of Faba Bean Resistance against Orobanche crenata
Fatima Zahra Briache, Mounia Ennami, Joseph Mbasani-Mansi, Assia Lozzi, Abdelhadi Abousalim, Walid El Rodeny, Moez Amri, Zine El Abidine Triqui, Rachid Mentag 한국식물병리학회 The Plant Pathology Journal 15 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 5호 10 476-490 (15 pages)
The parasitic weed, Orobanche crenata, is one of the most devastating constraint for faba bean production in Mediterranean regions. Plant host defense induction was reported as one of the most appropriate control methods in many crops. The aim of this study was to elucidate the effect of salicylic acid (SA) and indole acetic acid (IAA) on the induction of faba bean resistance to O. crenata under the field and controlled experimental conditions. Both hormones were tested on two contrasting faba... -
Distribution of Pectobacterium Species Isolated in South Korea and Comparison of Temperature Effects on Pathogenicity
Samnyu Jee, Jang-Gyu Choi, Young-Gyu Lee, Min Kwon, Ingyu Hwang, Sunggi Heu 한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 4호 5 346-354 (9 pages)
Pectobacterium, which causes soft rot disease, is divided into 18 species based on the current classification. A total of 225 Pectobacterium strains were isolated from 10 main cultivation regions of potato (Solanum tuberosum), napa cabbage (Brassica rapa subsp. pekinensis), and radish (Raphanus sativus) in South Korea; 202 iso- lates (90%) were from potato, 18 from napa cabbage, and five from radish. Strains were identified using the Biolog test and phylogenetic analysis. The pathogenicity and... -
A LysM Domain-Containing Protein LtLysM1 Is Important for Vegetative Growth and Pathogenesis in Woody Plant Pathogen Lasiodiplodia theobromae
Dulanjalee Lakmali Harishchandra, Wei Zhang, Xinghong Li, Kandawatte Wedaralalage Thilini Chethana, Kevin David Hyde, Siraprapa Brooks, Jiye Yan, Junbo Peng 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 4호 3 323-334 (12 pages)
Lysin motif (LysM) proteins are reported to be necessary for the virulence and immune response suppression in many herbaceous plant pathogens, while far less is documented in woody plant pathogens. In this study, we preliminarily characterized the molecular function of a LysM protein LtLysM1 in woody plant pathogen Lasiodiplodia theobromae. Transcriptional profiles revealed that LtLysM1 is highly expressed at infectious stages, especially at 36 and 48 hours post inoculation. Amino acid sequence... -
Bacteriophage Usage for Bacterial Disease Management and Diagnosis in Plants
Nguyen Trung Vu, Chang-Sik Oh 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 3호 2 204-217 (14 pages)
In nature, plants are always under the threat of pests and diseases. Pathogenic bacteria are one of the ma- jor pathogen types to cause diseases in diverse plants, resulting in negative effects on plant growth and crop yield. Chemical bactericides and antibiotics have been used as major approaches for controlling bacterial plant diseases in the field or greenhouse. However, the appearance of resistant bacteria to common antibiot- ics and bactericides as well as their potential negative effects... -
Antibody-Mediated Resistance to Rhizomania Disease in Sugar Beet Hairy Roots
M. Jafarzade, M. Ramezani, F. Hedayati, Z. Mokhtarzade, B. Zare, M. S. Sabet, P. Norouzi, M. A. Malboobi 한국식물병리학회 The Plant Pathology Journal 6 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 6호 15 692-697 (6 pages)
Agrobacterium rhizogenes–mediated transformation of sugar beet hairy roots expressing single-chain variable fragment (scFv) was exploited to evaluate the efficacy of four antibody-based constructs for interfering with the Beet necrotic yellow vein virus infection. The scFv specific to a major coat protein of virus, p21, was targeted to various cellular compartments including the cytosol (pIC and pICC constructs), apoplast (pIA), and mitochondrion (pIM). After mechanical virus inoculation,... -
Stress Tolerance and Virulence-Related Roles of Lipopolysaccharide in Burkholderia glumae
Chaeyeong Lee, Mohamed Mannaa, Namgyu Kim, Juyun Kim, Yeounju Choi, Soo Hyun Kim, Boknam Jung, Hyun-Hee Lee, Jungkwan Lee, Young-Su Seo 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 5호 6 445-458 (14 pages)
The lipopolysaccharide (LPS) composed of lipid A, core, and O-antigen is the fundamental constituent of the outer membrane in gram-negative bacteria. This study was conducted to investigate the roles of LPS in Burkholderia glumae, the phytopathogen causing bacterial panicle blight and seedling rot in rice. To study the roles of the core oligosaccharide (OS) and the Oantigen region, mutant strains targeting the waaC and the wbiFGHI genes were generated. The LPS profile was greatly affected by... -
Effect of Bacillus aryabhattai H26-2 and B. siamensis H30-3 on Growth Promotion and Alleviation of Heat and Drought Stresses in Chinese Cabbage
Da Jeong Shin, Sung-Je Yoo, Jeum Kyu Hong, Hang-Yeon Weon, Jaekyeong Song, Mee Kyung Sang 한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 2호 10 178-187 (10 pages)
Plants are exposed to biotic stresses caused by pathogen attack and complex abiotic stresses including heat and drought by dynamic climate changes. To alleviate these stresses, we investigated two bacterial stains, H26-2 and H30-3 in two cultivars (‘Ryeokkwang’ and ‘Buram-3-ho’) of Chinese cabbage in plastic pots in a greenhouse. We evaluated effects of bacterial strains on plant growth-promotion and mitigation of heat and drought stresses; the role of exopolysaccharides as one of bacterial... -
Chlorophyll a Fluorescence Parameters of Hulled and Hull-less Barley (Hordeum vulgare L.) DH Lines Inoculated with Fusarium culmorum
Tomasz Warzecha, Edyta Skrzypek, Tadeusz Adamski, Maria Surma, Zygmunt Kaczmarek, Agnieszka Sutkowska 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 2호 3 112-124 (13 pages)
disease rating (DR), fresh weight of leaves and roots, kernel weight per spike, kernel number per spike, plump kernels, and indirect parameters - chlorophyll a fluorescence (CF). Plate assay, greenhouse and field tests were performed on 30 spring barley doubled haploid (DH) lines and their parents infected with Fusarium culmorum. Direct parameters proved that hulled genotypes show less symptoms. Most studied chlorophyll a fluorescence (CF) parameters (apart from DIo/CS – amount of energy... -
Evaluation of Pathogenic Variability Based on Leaf Blotch Disease Development Components of Bipolaris sorokiniana in Triticum aestivum and Agroclimatic Origin
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 2호 2 93-103 (11 pages)
Leaf blotch of wheat caused by Bipolaris sorokiniana is a major constraint to wheat production, causing significant yield reduction resulting in severe economic impact. The present study characterizes to determine and compare pathogenic variability exist/not based on components of leaf blotch disease development and level of aggressiveness due to agroclimatic condition of B. sorokiniana in wheat. A total of 169 virulent isolates of B. sorokiniana isolated from spot blotch infected leaf from... -
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... -
Hydrogen Cyanide Produced by Pseudomonas chlororaphis O6 Exhibits Nematicidal Activity against Meloidogyne hapla
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 1호 4 35-43 (9 pages)
Root-knot nematodes (Meloidogyne spp.) are parasites that attack many field crops and orchard trees, and affect both the quantity and quality of the products. A root-colonizing bacterium, Pseudomonas chlororaphis O6, possesses beneficial traits including strong nematicidal activity. To determine the molecular mechanisms involved in the nematicidal activity of P. chlororaphis O6, we constructed two mutants; one lacking hydrogen cyanide production, and a second lacking an insecticidal toxin, FitD.... -
Enhancement of Seed Dehiscence by Seed Treatment with Talaromyces flavus GG01 and GG04 in Ginseng (Panax ginseng)
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2017, 33권 1호 1 1-8 (8 pages)
Seed dehiscence of ginseng (Panax ginseng C. A. Mayer) is affected by moisture, temperature, storage conditions and microbes. Several microbes were isolated from completely dehisced seed coat of ginseng cultivars, Chunpoong and Younpoong at Gumsan, Korea. We investigated the potential of five Talaromyces flavus isolates from the dehiscence of ginseng seed in four traditional stratification facilities. The isolates showed antagonistic activities against fungal plant pathogens, such as... -
Biological Control Potential of Bacillus amyloliquefaciens KB3 Isolated from the Feces of Allomyrina dichotoma Larvae
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 3호 12 273-280 (8 pages)
Most biocontrol agents for plant diseases have been isolated from sources such as soils and plants. As an alternative source, we examined the feces of tertiary larvae of the herbivorous rhino beetle, Allomyrina dichotoma for presence of biocontrol-active microbes. The initial screen was performed to detect antifungal activity against two common fungal plant pathogens. The strain with strongest antifungal activity was identified as Bacillus amyloliquefaciens KB3. The inhibitory activity of this... -
DNA Microarray and Gene Ontology Enrichment Analysis Reveals That a Mutation in opsX Affects Virulence and Chemotaxis in Xanthomonas oryzae pv. oryzae
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 3호 3 190-200 (11 pages)
Xanthomonas oryzae pv. oryzae (Xoo) causes bacterial leaf blight (BLB) in rice (Oryza sativa L.). In this study, we investigated the effect of a mutation in opsX (XOO1056), which encodes a saccharide biosynthesis regulatory protein, on the virulence and bacterial chemotaxis of Xoo. We performed DNA microarray analysis, which showed that 63 of 2,678 genes, including genes related to bacterial motility (flagellar and chemotaxis proteins) were significantly downregulated (<−2... -
Characterization of Nivalenol-Producing Fusarium culmorum Isolates Obtained from the Air at a Rice Paddy Field in Korea
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 3호 2 182-189 (8 pages)
Together with the Fusarium graminearum species complex, F. culmorum is a major member of the causal agents of Fusarium head blight on cereals such as wheat, barley and corn. It causes significant yield and quality losses and results in the contamination of grain with mycotoxins that are harmful to humans and animals. In Korea, F. culmorum is listed as a quarantine fungal species since it has yet to be found in the country. In this paper, we report that two isolates (J1 and J2) of F. culmorum... -
Impact of a Recombinant Biocontrol Bacterium, Pseudomonas fluorescens pc78, on Microbial Community in Tomato Rhizosphere
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 2호 7 136-144 (9 pages)
Pseudomonas fluorescens pc78 is an effective biocontrol agent for soil-borne fungal diseases. We previously constructed a P43-gfp tagged biocontrol bacteria P. fluorescens pc78-48 to investigate bacterial traits in natural ecosystem and the environmental risk of genetically modified biocontrol bacteria in tomato rhizosphere. Fluctuation of culturable bacteria profile, microbial community structure, and potential horizontal gene transfer was investigated over time after the bacteria treatment to... -
Outbreaks of Yuzu Dieback in Goheung Area: Possible Causes Deduced from Weather Extremes
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2015, 31권 3호 10 290-298 (9 pages)
Starting in 2012, severe diebacks usually accompanied by abundant gum exudation have occurred on yuzu trees in Goheung-gun, Jeonnam Province, where severely affected trees were occasionally killed. On-farm surveys were conducted at 30 randomly-selected orchards located at Pungyang-myeon, Goheung-gun, and the resulting disease incidences were 18.5% and 39.6% for dieback and gumming symptoms, respectively. Black spots on branches and leaves also appeared on infected trees showing a typical dieback... -
Relationships between Genetic Diversity and Fusarium Toxin Profiles of Winter Wheat Cultivars
한국식물병리학회 The Plant Pathology Journal 19 Pages
한국식물병리학회 The Plant Pathology Journal 2015, 31권 3호 4 226-244 (19 pages)
Fusarium head blight is one of the most important and most common diseases of winter wheat. In order to better understanding this disease and to assess the correlations between different factors, 30 cultivars of this cereal were evaluated in a two-year period. Fusarium head blight resistance was evaluated and the concentration of trichothecene mycotoxins was analysed. Grain samples originated from plants inoculated with Fusarium culmorum and naturally infected with Fusarium species. The genetic...
