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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... -
Hydrogen Peroxide Prompted Lignification Affects Pathogenicity of Hemi-biotrophic Pathogen Bipolaris sorokiniana to Wheat
Ajit Poudel, Sudhir Navathz, Ramesh Chand, Vinod K. Mishra, Pawan K. Singh, Arun K. Joshi 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 4호 1 287-300 (14 pages)
to spot blotch in wheat. We used cluster analysis to separate the resistant and susceptible genotypes by phenotypic and biochemical traits. H2O2 associated lignin production significantly reduced the number of appressoria and penetration pegs. We visualized the effect of lignin in disease resistance using differential histochemical staining of tissue from resistant and susceptible genotypes, which shows the variable accumulation of hydrogen peroxide and lignin around penetration sites. -
Update on Distribution and Genetic Variability of Plum pox virus Strains in Bulgaria
Ivanka Kamenova, Anelija Borisova 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 3호 6 243-256 (14 pages)
Field surveys for Plum pox virus (PPV) infection were conducted in stone fruit orchards all over Bulgaria. In total, 1168 out of 3020 leaf samples from cultivated Prunus spp. and wildly growing P. cerasifera trees reacted positive for PPV in DASI-ELISA with the universal monoclonal antibody (MAb) 5B. Further ELISA analyses showed that 987 and 127 isolates belonged to PPV-M and PPV-D serotypes, respectively. The plum and P. cerasifera showed 82.0% and 50.5% levels of infection, respectively... -
Association Analysis of Charcoal Rot Disease Resistance in Soybean
Ali Ghorbanipour, Babak Rabiei, Siamak Rahmanpour, Seyed Akbar Khodaparast 한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 3호 1 189-199 (11 pages)
In this research, the relationships among the 31 microsatellite markers with charcoal rot disease resistance related indices in 130 different soybean cultivars and lines were evaluated using association analysis based on the general linear model (GLM) and the mixed linear model (MLM) by the Structure and Tassel software. The results of microsatellite markers showed that the genetic structure of the studied population has three subpopulations (K=3) which the results of bar plat also confirmed it.... -
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)
clear evidence of positive relationship among the components was recorded. From hierarchical cluster analysis five groups were originating among the isolates. It resolved that a large amount of pathogenic diversity exists in Bipolaris sorokiniana. Variation in aggressiveness was found among the isolates from different wheat growing areas. Most virulent isolates BS 24 and BS 33 belonging to High Ganges River Flood Plain agro-climatic zones considered by rice-wheat cropping pattern, hot and humid... -
Phylogenetic Analysis of New Isolates of Cucumber mosaic virus from Iran on the Basis of Different Genomic Regions
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2012, 28권 4호 5 381-389 (9 pages)
Molecular characterization of Cucumber mosaic virus (CMV) was done by using samples from tomato and cucurbitaceous plants collected from different locations in the northwest region of Iran. After screening by enzyme-linked immunosorbent assay, 91 CMV-infected samples were identified. Biological properties of eight representative isolates were compared with each other revealing two distinct phenotypes on squash and tomato plants. Phylogenetic analyses based on nucleotide sequences of the coat... -
Research Articles : Evaluation of Potential Reference Genes for Quantitative RT-PCR Analysis in Fusarium graminearum under Different Culture Conditions
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2011, 27권 4호 1 301-309 (9 pages)
The filamentous fungus Fusarium graminearum is an important cereal pathogen. Although quantitative realtime PCR (qRT-PCR) is commonly used to analyze the expression of important fungal genes, no detailed validation of reference genes for the normalization of qRT-PCR data has been performed in this fungus. Here, we evaluated 15 candidate genes as references, including those previously described as housekeeping genes and those selected from the whole transcriptome sequencing data. By a combination... -
The Road to RNA Silencing is Paved with Plant-Virus Interactions
한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2011, 27권 3호 1 197-206 (10 pages)
RNA silencing has had a large impact on biology in general, as well as on our understanding of plantpathogen interactions, especially interactions between plants and viruses. While most of what we know about the mechanism of RNA silencing was deduced in the last 12 years, many of the interactions between plants and viruses, as well as virus-virus interactions in plants, which we now know are manifestations of RNA silencing, were the subject of decades of work from numerous laboratories. These... -
빅데이터 분석을 활용한 치매 작업치료 연구 동향 분석 : 텍스트 마이닝
박엄지, 박수희 대한고령친화산업학회 대한고령친화산업학회지 10 Pages
대한고령친화산업학회 대한고령친화산업학회지 2017, 제 9권 2호 2 15-24 (10 pages)
연구목적 본 연구의 목적은 빅데이터 분석 기법 중 하나인 텍스트 마이닝을 활용하여 작업치료 분야의 치 매 관련 연구의 동향을 정량적으로 분석하는 것이다. 연구방법 웹 크롤링(Web Crawling)도구인 Textom과 한국교육학술정보원을 통해 획득한 데이터 중 선정기 준과 배제기준에 따라 선정된 연구 총 108편을 대상으로 연도별 ? 학술지별 발행빈도, 대상 연구의 질적 수준, 핵심어 분석 및 연도별 핵심어 분석을 시행하였다. 연구결과 연구결과 2015년 발행된 연구의 수가 22편(20.4%)으로 가장 많았으며, 학술지 발행빈도는 고령자 ?... -
모(母)의 경제활동 참여가 초등학생의 영어 성취도에 미치는 영향: 도구변수를 활용한 인과관계 분석
김경년, 임정만 한국교육사회학회 교육사회학연구 24 Pages
한국교육사회학회 교육사회학연구 2012, 제 22권 제 4호 1 1-24 (24 pages)
본 연구는 가정의 역할과 기능이 변화하고 있는 시점에서 모의 경제활동 참여가 서울지역 초등학교 4학년생의 학업성취도에 미치는 영향을 도구변수를 활용하여 그 인과관계를 조사하 였다. 모 취업의 영향을 분석함에 있어서 방법론적으로 중요한 점은 학업성취도 차이가 모의 취업 여부 이외에 모와 아동의 특성에 원인이 있을 수 있다는 점이다. 모의 취업 여부의 결정 이 부모와 아동의 특성에 의해 내생적(endogenous)으로 결정된다면 회귀분석에 의해 추정된 모 취업 여부에 의한 학업성취도의 차이는 편의(bias)를 가질 수 있다....
