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RISS 인기검색어
- 검색키워드
- 저자 : Yi-Ru Lai (검색결과 4 건)
- 무료
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Lai, Yi-Ru,Lin, Pei-Yu,Chen, Chao-Ying,Huang, Chien-Jui The Korean Society of Plant Pathology 2016 Plant Pathology Journal Vol.32 No.5
Dithiocarbamate fungicides such as maneb and mancozeb are widely used nonsystemic protectant fungicides to control various plant fungal diseases. Dithiocarbamate fungicides should be frequently applied to achieve optimal efficacy of disease control and avoid either decline in effectiveness or wash-off from leaf surface. Dithiocarbamates are of low resistance risk but have the potential to cause human neurological diseases. The objective of this study was to develop a strategy to effectively control plant disease with reduced use of dithiocarbamtes. Southern corn leaf blight was the model pathosystem for the investigation. When corn plants were drench-treated with Bacillus cereus C1L, a rhizobacterium able to induce systemic resistance in corn plants against southern leaf blight, frequency of spraying dithiocarbamate fungicides could be decreased. The treatment of B. cereus C1L was able to protect maize from southern leaf blight while residues of dithiocarbamates on leaf surface were too low to provide sufficient protection. On the other hand, frequent sprays of mancozeb slightly but significantly reduced growth of corn plants under natural conditions. In contrast, application of B. cereus C1L can significantly promote growth of corn plants whether sprayed with mancozeb or not. Our results provide the information that plant disease can be well controlled by rhizobacteria-mediated induced systemic resistance in combination with reduced but appropriate application of dithiocarbamate fungicides just before a heavy infection period. An appropriate use of rhizobacteria can enhance plant growth and help plants overcome negative effects caused by dithiocarbamates.
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Yi-Ru Lai,Pei-Yu Lin,CHAO-YING CHEN,Chien-Jui Huang 한국식물병리학회 2016 Plant Pathology Journal Vol.32 No.5
Dithiocarbamate fungicides such as maneb and mancozebare widely used nonsystemic protectant fungicidesto control various plant fungal diseases. Dithiocarbamatefungicides should be frequently applied toachieve optimal efficacy of disease control and avoideither decline in effectiveness or wash-off from leafsurface. Dithiocarbamates are of low resistance riskbut have the potential to cause human neurological diseases. The objective of this study was to develop a strategyto effectively control plant disease with reduceduse of dithiocarbamtes. Southern corn leaf blight wasthe model pathosystem for the investigation. Whencorn plants were drench-treated with Bacillus cereusC1L, a rhizobacterium able to induce systemic resistancein corn plants against southern leaf blight, frequencyof spraying dithiocarbamate fungicides couldbe decreased. The treatment of B. cereus C1L was ableto protect maize from southern leaf blight while residuesof dithiocarbamates on leaf surface were too lowto provide sufficient protection. On the other hand,frequent sprays of mancozeb slightly but significantlyreduced growth of corn plants under natural conditions. In contrast, application of B. cereus C1L cansignificantly promote growth of corn plants whethersprayed with mancozeb or not. Our results provide theinformation that plant disease can be well controlledby rhizobacteria-mediated induced systemic resistancein combination with reduced but appropriate applicationof dithiocarbamate fungicides just before a heavyinfection period. An appropriate use of rhizobacteriacan enhance plant growth and help plants overcomenegative effects caused by dithiocarbamates.
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Thyroid Fine-Needle Aspiration in Taiwan: The History and Current Practice
Jen-Fan Hang,Chiung-Ru Lai,Chih-Yi Hsu 대한병리학회 2017 Journal of Pathology and Translational Medicine Vol.51 No.6
In Taiwan, thyroid cancer is the most common endocrine gland malignancy and the incidence of thyroid cancer has increased four-fold in the past two decades. Fine-needle aspiration is an accurate and cost-effective method of evaluating thyroid nodules and has been the gold-standard diagnostic tool for thyroid tumors in Taiwan since the 1980s. This article reviews the history, current practice, reporting systems, training, and quality assurance for thyroid fine-needle aspiration cytology in Taiwan.
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Thyroid fine-needle aspiration cytology in Taiwan: a nationwide survey and literature update
Chien-Chin Chen,Jen-Fan Hang,Chih-Yi Liu,Yeh-Han Wang,Chiung-Ru Lai 대한병리학회 2020 Journal of Pathology and Translational Medicine Vol.54 No.5
In Taiwan, thyroid fine-needle aspiration cytology is easily accessible and reliable for evaluating thyroid nodules. The sonographic pattern plays a major role and is the deciding factor for aspiration. We conducted a nationwide survey in 2017 and it revealed that 31% of laboratories had adopted The Bethesda System for Reporting Thyroid Cytopathology. There was a relatively high unsatisfactory rate (24.04%) and low rates of indeterminate diagnoses, including atypia of undetermined significance/follicular lesions of undetermined significance: 4.87%, and follicular neoplasm/suspicious for a follicular neoplasm: 0.35%. Moreover, the risks of malignancy in benign, atypia of undetermined significance, and suspicious for a follicular neoplasm were relatively high. These may reflect strict diagnostic criteria for indeterminate categories and better patient selection for surgery. Improvements in specimen sampling and continuing education programs are crucial. Newly-developed thyroid cytology technologies, such as immunocytochemistry, molecular testing, and computerized cytomorphometry, may further facilitate cytology diagnoses.
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