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Effect of five diatomaceous earth formulations against Tribofium castaneum （Coleoptera： Tenebrionidae）, Oryzaephflus surinamensis （Coleoptera： Silvanidae） and Rhyzopertha dominica （Coleoptera： Bostrychidae）

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Insect Science 2007年第5期14卷 359-365页

作者： MASUMEH ZIAEE adel khashaveh Department of Zoology Young Researcher Club of Urmia Islamic Azad University Urmia Department of Entomology Agricultural Faculty Urmia University Urmia Iran

Laboratory bioassays were conducted to determine the effect of food source on the survival of Tribolium castaneum Herbst, Oryzaephilus surinamensis L. and Rhyzopertha dominica F., after exposure to five diatomaceous earth （DE） formulations： Protect-It, Insecto, Perma-GuardTM, Dryacide and SilicoSec. Adults of these species were exposed to DEs at the rate of 0.5 mg/cm^2 for 1 day on filter paper inside plastic Petri dishes. After exposure, the initial mortality was counted and live individuals of the three species were held for a week in glass vials containing 50 mg wheat flour, rice and whole wheat, respectively. In the second experiment, after 1 day exposure to DEs, beetles were transferred to Petri dishes without food and held for a week to determine if the presence of food source would decrease the mortality of beetles. Experiments were carried out at 27℃ and 55% RH in the dark. The initial mortality in both of the experiments reached 100% for the three species exposed to Protect-It and in the case ofR. dominica and O. surinamensis exposed to Dryacide. In contrast, low level of mortality （〈 10%） was observed for T. castaneum exposed to Perma-GuardTM and Insecto. The mortality after the post-treatment period on food was decreased for the three species exposed to Perma-GuardTM and in the case of T. castaneum and R. dominica exposed to Insecto and SilicoSec. Adults of O. surinamensis were the most susceptible followed by R. dominica and 100% adult mortality was obtained, whereas T. castaneum were the least susceptible beetles to DEs. Protect-It and Dryacide were the most efficient DE formulations and can be used effectively in a stored grain integrated pest management program.

关键词： diatomaceous earth initial mortality food delayed mortality Oryzaephilus surinamensis Rhyzopertha dominica Tribolium castaneum

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Functional characterization of sensory neuron membrane protein 1a involved in sex pheromone detection of Apolygus lucorum(Hemiptera:Miridae)

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Journal of Integrative Agriculture 2024年第12期23卷 4120-4135页

作者： Yan Li Xingkui An Shuang Shan Xiaoqian Pang Xiaohe Liu Yang Sun adel khashaveh Yongjun Zhang State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100193China Anhui Provincial Key Laboratory of Molecular Enzymology and Mechanism of Major Diseases College of Life SciencesAnhui Normal UniversityWuhu 241000China State Key Laboratory of Resource Insects Institute of Apicultural ResearchChinese Academy of Agricultural SciencesBeijing 100193China School of Resource and Environment Henan Institute of Science and TechnologyXinxiang 453003China

The mirid bug Apolygus lucorum(Hemiptera:Miridae)is a polyphagous pest that affects a wide range of host *** control remains challenging mainly due to its rapid reproduction,necessitating an understanding of sex pheromone *** recognition of sex pheromones is vital for courtship and mating behaviors,and is mediated by various chemosensory-associated *** these,sensory neuron membrane protein(SNMP),a CD36-related protein,is suggested to play crucial roles in detecting sex *** this study,we employed transcriptomic and genomic data from *** and phylogenetic approaches,and identified four putative SNMP genes(AlucSNMP1a,AlucSNMP1b,AlucSNMP2a,and AlucSNMP2b)with full open reading *** analysis revealed the ubiquitous presence of AlucSNMP transcripts in multiple tissues,with only AlucSNMP1a exhibiting male-biased expression in the antennae,suggesting its potential role in male *** analysis using the Xenopus oocyte expression system,coupled with two-electrode voltage clamp recording,demonstrated that the co-expression of AlucSNMP1a with specific pheromone receptors(PRs)and the Odorant receptor co-receptor(Orco)significantly enhanced electrophysiological responses to sex pheromones compared to the co-expression of PRs and Orco ***,the results indicated that the presence of AlucSNMP1a not only affected the responsiveness to sex pheromones but also influenced the kinetics(activation and inactivation)of the induced *** contrast,the co-expression of AlucSNMP1b with AlucPR/Orco complexes had no impact on the inward currents induced by two pheromone *** examination of the selective pressures on SNMP1 genes across 20 species indicated strong purifying selection,implying potential functional conservation in various *** findings highlight the crucial role of AlucSNMP1a in the response to sex pheromones.

关键词： mirid bug pheromone perception sensory neuron membrane proteins expression profile receptor interaction evolution

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Biosynthesis of artemisinic acid in engineered Saccharomyces cerevisiae and its attractiveness to the mirid bug Apolygus lucorum

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Journal of Integrative Agriculture 2022年第10期21卷 2984-2994页

作者： TENG Dong LIU Dan-feng khashaveh adel SUN Pei-yao GENG Ting ZHANG Da-wei ZHANG Yong-jun State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100193P.R.China Laboratory of Ecology and Evolutionary Biology Yunnan UniversityKunming 650091P.R.China Langfang Scientific Research Trial Station Institute of Plant ProtectionChinese Academy of Agricultural SciencesLangfang 065000P.R.China Institute of Plant Protection Gansu Academy of Agricultural SciencesLanzhou 730070P.R.China

Artemisia annua is an important preferred host of the mirid bug Apolygus lucorum in *** emitted from *** attract *** artemisinic acid of *** is a precursor of artemisinin that has been widely investigated in the Chinese herbal medicine ***,little is known at this point about the biological roles of artemisinic acid in regulating the behavioral trends of *** this study,we collected volatiles from *** at the seedling stage by using headspace solid phase microextraction(HS-SPME).Gas chromatography-mass spectrometry(GC-MS) analysis showed that approximately 11.03±6.00 and 238.25±121.67 ng hartemisinic acid were detected in volatile samples and milled samples,***,a key gene for artemisinic acid synthesis,the cytochrome P450 gene cyp71 av1,was expressed in engineered Saccharomyces cerevisiae to catalyze the production of artemisinic *** the addition of exogenous artemisinic alcohol or artemisinic aldehyde,artemisinic acid was identified as the product of the expressed *** electroantennogram(EAG) recordings,3-day-old adult *** showed significant electrophysiological responses to artemisinic alcohol,artemisinic aldehyde and artemisinic ***,3-day-old female bugs were significantly attracted by artemisinic acid and artemisinic alcohol at a concentration of 10 mmol L,whereas 3-day-old male bugs were attracted significantly by 10 mmol Lartemisinic acid and artemisinic *** propose that artemisinic acid and its precursors could be used as potential attractant components for the design of novel integrated pest management strategies to control ***.

关键词： artemisinic acid CYP71AV1 biosynthesis Apolygus lucorum electrophysiological responses behavioral trends

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n-octyl acrylate is a candidate sex pheromone component involved in courtship in parasitoid wasp Microplitis mediator

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Insect Science 2024年第4期31卷 1200-1210页

作者： Yu-Xiao Tao Shuang Shan Youssef Dewer Shan-Ning Wang adel khashaveh Rui-Jun Li Yong-Jun Zhang State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijingChina College of Plant Protection Agricultural University of HebeiBaodingHebei ProvinceChina Bioassay Research Department Central Agricultural Pesticide LaboratorySabahia Plant Protection Research StationAgricultural Research CenterAlexandriaEgypt Beijing Key Laboratory of Environment Friendly Management on Fruit Diseases and Pests in North China Institute of Plant ProtectionBeijing Academy of Agriculture and Forestry SciencesBeijingChina

Sex pheromones are considered to play critical roles in partner communication of most parasitic ***,the identification of sex pheromone components remains limited to a few families of parasitoid *** this study,we functionally characterized a candidate sex pheromone component in Microplitis mediator(Hymenoptera:Braconidae),a solitary parasitoid of Noctuidae *** found that the body surface extract from female wasps could significantly stimulate courtship behavior of *** chromatography-electroantennographic detection(GC-EAD)analysis revealed that a candidate semiochemical from extract triggered significant electrophysiological response of antennae of *** performing gas chromatography-mass spectrometer(GC-MS)measurement,GC-EAD active compound was identified as n-octyl acrylate,a candidate sex pheromone component in female *** electroantennogram(EAG)tests,antennae of male wasps showed significantly higher electrophysiological responses to n-octyl acrylate than those of females.Y-tube olfactometer assays indicated that male wasps significantly chose n-octyl acrylate compared with the ***,male wasps showed a remarkable preference for n-octyl acrylate in a simulated field condition behavioral trial;simultaneously,n-octyl acrylate standard could also trigger significant courtship behavior in *** propose that n-octyl acrylate,as a candidate vital sex pheromone component,could be utilized to design behavioral regulators of *** to implement the protection and utilization of natural enemies.

关键词： behavioral assay courtship behavior GC-EAD analysis Microplitis mediator sex pheromone

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Characterization and target gene analysis of microRNAs in the antennae of the parasitoid wasp Microplitis mediator

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Insect Science 2021年第4期28卷 1033-1048页

作者： Shuang Shan Shan-Ning Wang Xuan Song adel khashaveh Zi-Yun Lu Khalid Hussain Dhiloo Rui-Jun Li Xi-Wu Gao Yong-Jun Zhang State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijingChina College of Plant Protection China Agricultural UniversityBeijingChina Institute of Plant and Environment Protection Beijing Academy of Agricultural and Forestry SciencesBeijingChina College of Plant Protection Agricultural University of HebeiBaodingHebeiChina IPM Center of Hebei Province Key Laboratory of Integrated Pest Management on Crops in Northern Region of North ChinaMinistry of AgriculturePlant Protection InstituteHebei Academy of Agricultural and Forestry SciencesBaodingHebeiChina Department of Entomology Faculty of Crop ProtectionSindh Agriculture UniversityTandojamPakistan

MicroRNAs(miRNAs),a class of non-coding single-strand RNA molecules encoded by endogenous genes,are about 21–24 nucleotides long and are involved in the post-transcriptional regulation of gene expression in plants and ***,the types and quantities of miRNAs in the different tissues of an organism are diverse,and these divergences may be related to their specific *** we have identified 296 known miRNAs and 46 novel miRNAs in the antennae of the parasitoid wasp Microplitis mediator by high-throughput ***-three miRNAs were predicted to target olfactory-associated genes,including odorant binding proteins(OBPs),chemosensory proteins,odorant receptors(ORs),ionotropic receptors(IRs)and gustatory *** these,17 miRNAs were significantly highly expressed in the antennae,four miRNAs were highly expressed both in the antennae and head or wings,while the remaining 12 miRNAs were mainly expressed in the head,thorax,abdomen,legs and ***,miR-9a-5p and miR-2525-3p were highly expressed in male antennae,whereas miR-1000-5p and novel-miR-13 were enriched in female *** 17 miRNAs highly expressed in antennae are likely to be associated with olfaction,and were predicted to target one OBP(targeted by miR-3751-3p),one IR(targeted by miR-7-5p)and 14 ORs(targeted by 15 miRNAs including miR-6-3p,miR-9a-5p,miR-9b-5p,miR-29-5p,miR-71-5p,miR-275-3p,miR-1000-5p,miR-1000-3p,miR-2525-3p,miR-6012-3p,miR-9719-3p,novel-miR-10,novel-miR-13,novel-miR-14 and novel-miR-28).These candidate olfactory-associated miRNAs are all likely to be involved in chemoreception through the regulation of chemosensory gene expression in the antennae of ***.

关键词： expression profile miRNA Microplitis mediator,olfactory-associated gene target gene

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Molecular characterization and expression of sensory neuron membrane proteins in the parasitoid Microplitis mediator (Hymenoptera: Braconidae)

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Insect Science 2020年第3期27卷 425-439页

作者： Shuang Shan Shan-Ning Wang Xuan Song adel khashaveh Zi-Yun Lu Khalid Hussain Dhiloo Rui-Jun Li Xi-Wu Gao Yong-Jun Zhang College of Plant Protection China Agricultural UniversityBeijingChina State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijingChina Institute of Plant and Environment Protection Beijing Academy of Agricultural and Forestry SciencesBeijingChina College of Plant Protection Agricultural University of HebeiBaodingChina IPM Center of Hebei Province Key Laboratory of Integrated Pest Management on Crops in Northern Region of North ChinaMinistry of AgriculturePlant Protection InstituteHebei Academy of Agricultural and Forestry SciencesBaodingChina Department of Entomology Faculty of Crop ProtectionSindh Agriculture UniversityTandojamPakistan

Sensory neuron membrane proteins(SNMPs),homologs of the human fatty acid transport protein CD36 family,are observed to play a significant role in chemoreception,especially in detecting sex pheromone in Drosophila and some lepidopteran *** the current study,two full‐length SNMP transcripts,MmedSNMP1 and MmedSNMP2,were identified in the parasitoid Microplitis mediator(Hymenoptera:Braconidae).Quantitative real‐time polymerase chain reaction analysis showed that the expression of MmedSNMP1 was significantly higher in antennae than in other tissues of both *** addition,the MmedSNMP1 transcript was increased dramatically in newly emerged adults and there were no significant differences between adults with or without mating and parasitic ***,compared with MmedSNMP1,the expression of MmedSNMP2 was widely found in various tissues,significantly increased at half‐pigmented pupae stage and remained at a relatively constant level during the following developmental *** was found that MmedSNMP1 contained eight exons and seven introns,which was highly conserved compared with other insect *** situ hybridization assay demonstrated that MmedSNMP1 transcript was distributed widely in antennal *** selected chemosensory genes(odorant binding protein,odorant receptor,and ionotropic receptor genes),MmedSNMP1 only partially overlapped with MmedORco in olfactory sensory neurons of *** immunolocalization results further indicated that MmedSNMP1 was mainly expressed in sensilla placodea of antennae and possibly involved in perceiving plant volatiles and sex *** findings lay a foundation for further investigating the roles of SNMPs in the chemosensation of parasitoids.

关键词： antennae chemosensation expression profile in situ hybridization Microplitis mediator,sensory neuron membrane proteins

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