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| 1 | Field resistance to spinosad in western flower thrips Frankliniella occidentalis(Thysanoptera:Thripidae)显示文摘The western flower thrips, Frankliniella occidentalis, is one of the most destructive sucking pests of vegetables, fruits and ornamental crops in China. Spinosad is one of the most commonly used insecticides to manage thrips. To assess the incidence of spinosad resistance in F. occidentalis field populations in eastern China, survival rates for 24 different populations were compared with those of a susceptible laboratory strain. All populations showed significantly higher resistance to spinosad compared with the control as determined by comparing median lethal concentrations. Two populations from Shouguang and Liaocheng in Shandong Province were classified as having moderate and high levels of resistance to spinosad with a mean resistance ratio of 17.0 and 89.2, respectively. Our research indicates a widespread reduction in spinosad efficacy for controlling F. occidentalis field populations, and that resistance management strategies should be implemented as soon as practicable, to reduce the potential of progressive resistance development and loss of efficacy. | LI Dong-gang SHANG Xiao-yong Stuart Reitz Ralf Nauen LEI Zhong-ren Si Hyeock Lee GAO Yu-lin | 2016 | Journal of Integrative Agriculture2016，15，12： | 7 |
| 2 | Inhibition of acetylcholinesterases of the pinewood nematode, Bursaphelenchus xylophilus , by phytochemicals from plant essential oils显示文摘 | Jae Soon Kang Eunae Kim Si Hyeock Lee Il-Kwon Park | 2012 | Pesticide Biochemistry and Physiology2012，，： | 1 |
| 3 | The moderating effects of home region orientation on R&D investment and international SME performance: Lessons from Korea显示文摘 | In Hyeock Lee Matthew R. Marvel | 2009 | European Management Journal2009，，5： | 1 |
| 4 | Regional knowledge production and entrepreneurial firm creation: Spatial Dynamic Analyses显示文摘 | In Hyeock Lee Eunsuk Hong Laixiang Sun | 2013 | Journal of Business Research2013，，10： | 1 |
| 5 | Permethrin Carboxylesterase Functions as Nonspecific Sequestration Proteins in the Hemolymph of Colorado Potato Beetle显示文摘 | Si Hyeock Lee J.Marshall Clark | 1998 | Pesticide Biochemistry and Physiology1998，，1： | 1 |
| 6 | Comparative analyses of the venom components in the salivary gland transcriptomes and saliva proteomes of some heteropteran insects显示文摘Salivary gland-specific transcriptomes of nine heteropteran insects with distinct feeding strategies (predaceous, hematophagous, and phytophagous) were analyzed and annotated to compare and identify the venom components as well as their expression profiles. The transcriptional abundance of venom genes was verified via quantitative real-time PCR. Hierarchical clustering of 30 representative differentially expressed venom genes from the nine heteropteran species revealed unique groups of salivary gland-specific genes depending on their feeding strategy. The commonly transcribed genes included a paralytic neurotoxin (arginine kinase), digestive enzymes (cathepsin and serine protease), an anti-inflammatory protein (cystatin), hexamerin, and an odorant binding protein. Both predaceous and hematophagous (bed bug) heteropteran species showed relatively higher transcription levels of genes encoding proteins involved in proteolysis and cytolysis, whereas phytophagous heteropterans exhibited little or no expression of these genes, but had a high expression of vitellogenin, a multifunctional allergen. Saliva proteomes from four representative species were also analyzed. All venom proteins identified via saliva proteome analysis were annotated using salivary gland transcriptome data. The proteomic expression profiles of venom proteins were in good agreement with the salivary gland-specific transcriptomic profiles. Our results indicate that profiling of the salivary gland transcriptome provides important information on the composition and evolutionary features of venoms depending on their feeding strategy. | Kyungjae Andrew Yoon Woo-Jin Kim Seungki Lee Hee-Sun Yang Byoung-Hee Lee Si Hyeock Lee | 2022 | Insect Science2022，29，2： | 0 |
| 7 | CopE and TLR6 RNAi-mediated tomato resistance to western flower thrips显示文摘The western flower thrips(WFT;Frankliniella occidentalis)is a mesophyll cell feeder that damages many crops.Management of WFT is complex due to factors such as high fecundity,short reproduction time,ability to feed on a broad range of host plants,and broad pesticide resistance.These challenges have driven research into developing alternative pest control approaches for WFT.This study analyzed the feasibility of a biological control-based strategy to manage WFT using RNA interference(RNAi)-mediated silencing of WFT endogenous genes.For the delivery of RNAi,we developed transgenic tomato lines expressing double-stranded RNA(dsRNA)of coatomer protein subunit epsilon(CopE)and Toll-like receptor 6(TLR6)from WFT.These genes are involved in critical biological processes of WFT,and their dsRNA can be lethal to these insects when ingested orally.Adult WFT that fed on the transgenic dsRNAexpressing tomato flower stalk showed increased mortality compared with insects that fed on wild-type samples.In addition,WFT that fed on TLR6 and CopE transgenic tomato RNAi lines showed reduced levels of endogenous CopE and TLR6 transcripts,suggesting that their mortality was likely due to RNAi-mediated silencing of these genes.Thus,our findings demonstrate that transgenic tomato plants expressing dsRNA of TLR6 and CopE can be lethal to F.occidentalis,suggesting that these genes may be deployed to control insecticide-resistant WFT. | Jelli VENKATESH Sung Jin KIM Muhammad Irfan SIDDIQUE Ju Hyeon KIM Si Hyeock LEE Byoung-Cheorl KANG | 2023 | Journal of Integrative Agriculture2023，22，2： | 0 |
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