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Building capacity for testing sterile insect technique against Aedes-borne diseases in the Pacific: a training workshop and launch of sterile insect technique trials against Aedes aegypti and arboviral diseases

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贫困所致传染病(英文) 2024年第5期13卷 1-9页

作者： Foley Nicole Fouque Florence Zhong Qingxia Bossin Herve Bouyer Jeremy Velayudhan Raman Nett Randall Drexler Anna Arboviral Diseases Branch Division of Vector-Borne Infectious Diseases Centers for Disease Control and Prevention Fort Collins CO USA Research for Implementation Unit The Special Programme for Research and Training in Tropical Diseases World Health Organization Geneva Switzerland Department of Control of Neglected Tropical Diseases WHO Geneva Switzerland Medical Entomology Laboratory UMR SECOPOL Institut Louis Malardé BP Papeete Tahiti French Polynesia insect Pest Control Subprogramme Joint FAO/IAEA Centre of Nuclear Techniques in Food and Agriculture Department of Nuclear Sciences and Applications International Atomic Energy Agency Vienna Austria

Background Vector-borne diseases cause morbidity and mortality globally. However, some areas are more impacted than others, especially with climate change. Controlling vectors remains the primary means to prevent these diseases, but new, more effective tools are needed. The World Health Organization (WHO) prioritized evaluating novel control methods, such as sterile insect technique (SIT) for control ofAedes-borne diseases. In response, a multiagency partnership between the U.S. Centers for Disease Control and Prevention (CDC), the Special Programme for Research and Training in Tropical Diseases (TDR), WHO, and the International Atomic Energy Agency (IAEA) supported the operational implementation and evaluation of SIT againstAedes aegypti and arboviral diseases in the Pacific through a consortium of regional partners (PAC-SIT Consortium).Main text A workshop was held from 2 to 6 May 2023, during which PAC-SIT country participants, researchers, and stakeholders in SIT, scientific advisory committee members, and organizational partners came together to review the principles and components of SIT, share experiences, visit field sites and the SIT facility, and officially launch the PAC-SIT project. Working in groups focused on entomology, epidemiology, and community engagement, participants addressed challenges, priorities, and needs for SIT *** The PAC-SIT workshop brought together researchers and stakeholders engaged in evaluating SIT for arboviral diseases in the Pacific region and globally. This training workshop highlighted that many countries are actively engaged in building operational capacities and phased testing of SIT. The workshop identified a key need for robust larger-scale studies tied with epidemiological endpoints to provide evidence for the scalability and impact on mosquito-borne diseases.

关键词： Vector-borne diseases Aedes albopictus Aedes aegypti sterile insect technique Mosquito Mosquito control Public health Pacific

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Advancing the art of mosquito control: the journey of the sterile insect technique against Aedes aegypti in Cuba

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Infectious Diseases of Poverty 2024年第4期13卷 96-96页

作者： Rene Gato Zulema Menendez Misladys Rodriguez Gladys Gutierrez-Bugallo Maria del Carmen Marquetti sterile insect technique Laboratory Department of Vector Control Institute of Tropical Medicine Pedro Kourí Havana Cuba Department of Epidemiology Institute of Tropical Medicine Pedro Kourí Havana Cuba Toxicology and Genetics Laboratory Department of Vector Control Institute of Tropical Medicine Pedro Kourí Havana Cuba Ecology Laboratory Department of Vector Control Institute of Tropical Medicine Pedro Kourí Havana Cuba

Background Aedes aegypti,the primary vector of dengue,chikungunya,and Zika viruses,poses a significant public health threat *** control methods using insecticides are increasingly challenged by resistance and environmental *** sterile insect technique(SIT)offers an eco-friendly alternative that has been suc-cessfully applied to other insect *** article aims to briefly review *** management in Cuba,highlighting the accomplishments,challenges,and future directions of the *** body Here we provide a brief summary of the extensive history of *** control efforts in *** a successful eradication campaign in the 1980s,a resurgence of dengue cases has been observed in recent years,suggesting that traditional control methods may have limited effectiveness under current *** response,Cuba initiated a phased approach to develop and evaluate the feasibility of SIT for *** control,starting in *** research focused on *** mating behavior and sterilization methods,followed by successful laboratory and semi-field trials that demonstrated population *** first open-field trial in 2020 confirmed the eff-cacy of the SIT in reducing *** populations under real-world ***,the research is in a phase involving a cluster-randomized superiority-controlled *** planned trial will compare the standard vector control program with the same program augmented by the SIT,aiming to assess the impact of the SIT on dengue incidence as the primary *** robust epidemiological trials to evaluate the effectiveness of the SiT is com-plex due to potential spillover effects from mosquito and human movement across study ***,con-ducting the SIT requires significant development and operational *** these challenges,the ongo-ing Cuban trial holds promise for establishing the SIT as an effective and sustainable tool for *** control an

关键词： Cuba Aedes aegypti sterile insect technique Vector control Arbovirus transmission Mosquito

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CRISPR-based genetic control strategies for insect pests

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Journal of Integrative Agriculture 2023年第3期22卷 651-668页

作者： Ying YAN Roswitha A.AUMANN Irina HÄCKER Marc F.SCHETELIG Department of insect Biotechnology in Plant Protection Institute for Insect BiotechnologyJustus-Liebig-University GiessenGiessen 35394Germany

Genetic control strategies such as the sterile insect technique have successfully fought insect pests worldwide. The CRISPR(clustered regularly interspaced short palindromic repeats) technology, together with high-quality genomic resources obtained in more and more species, greatly facilitates the development of novel genetic control insect strains that can be used in area-wide and species-specific pest control programs. Here, we review the research progress towards state-of-art CRISPR-based genetic control strategies, including gene drive, sex ratio distortion, CRISPRengineered genetic sexing strains, and precision-guided sterile insect technique. These strategies’ working mechanisms,potential resistance development mechanisms, and regulations are illustrated and discussed. In addition, recent developments such as stacked and conditional systems are introduced. We envision that the advances in genetic technology will continue to be one of the driving forces for developing the next generation of pest control strategies.

关键词： insect pest genetic control sterile insect technique gene drive genetic sexing strains CRISPR-Cas9

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Wild bacterial probiotics fed to larvae of mass-reared Queensland fruit fly[Bactrocera tryoni(Froggatt)]do not impact long-term survival,mate selection,or locomotor activity

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insect Science 2020年第4期27卷 745-755页

作者： Lucas A.Shuttleworth Mohammed Abul Monjur Khan Damian Collins Terry Osborne Olivia L.Reynolds New South Wales Department of Primary Industries Elizabeth Macarthur Agricultural InstituteMenangleAustralia Faculty of Agriculture DefDartment of EntomologyBangladesh Agricultural UniversityMymensinghBangladesh Graham Centre(an alliance between NSW Department of Primary Industries and Charles Sturt University) Wagga WaggaNew South WalesAustralia State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops Institute of Applied EcologyFujian Agriculture and Forestry UniversityFuzhouChina

Queensland fruit fly[Bactrocera Uyoni(Froggatt),Diptera,Tephritidae]is the most devastating insect pest impacting Australian *** sterile insect technique(SIT)is an important component of tephritid pest management ***,mass-rearing and irradiation(to render insects sterile)may reduce the fitness and performance of the insect,including the ability of sterile males to successfully compete for wild *** of the gut microbiome,including the supplementation with bacterial probiotics shows promise for enhancing the quality of mass-reared sterile flies,however there are fewer published studies targeting the larval *** this study,we supplemented the larval stage of mass-reared *** with bacterial *** tested several individual bacteria that had been previously isolated and characterized from the gut of wild *** larvae including Asaia sp.,Enterobacter sp.,Lactobacillus sp.,Leuconostoc *** also tested a consortium of all four of these bacterial *** fitness parameters tested included adult survival in field cages,laboratory mate selection of bacteria supplemented males by bacteria nonsupplemented females,and laboratory locomotor activity of adult *** of the bacterial probiotic treatments in the current study was significantly different to the control for field survival,mate selection or locomotor activity of adult ***,which agree with some of the other studies regarding bacterial probiotics fed to the larval stage of *** work is needed to determine if feeding the same,and/or other probiotics to adults,as opposed to larvae can positively impact survival,mating performance,mating competitiveness and locomotor activity of *** bacterial group(s)and function of bacterial species that increase fitness and competitiveness is also of interest to tephritid mass-rearing programs.

关键词： area wide integrated pest management mass-rearing mate choice sterile insect technique Tephritidae

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Domestication-related changes in sexual performance of Queensland fruit fly

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insect Science 2021年第5期28卷 1491-1503页

作者： Jeanneth Perez Vivian Mendez Boaz Yuval Phillip WTaylor Applied BioSciences Macquarie UniversitySydneyAustralia Australian Research Council Industrial Transformation Training Centre for Fruit Fly Biosecurity Innovation Macquarie UniversitySydneyAustralia Department of Entomology The Hebrew University of JerusalemRehovotIsrael

In sterile insect technique(SIT)programs,massive numbers of insects are reared,sterilized,and released in the field to impede reproduction of pest *** domestication and rearing processes used to produce insects for SIT programs may have significant evolutionary impacts on life history and reproductive *** assessed the effects of domestication on sexual performance of laboratory reared Queensland fruit fly,Bactrocera tryoni,by comparing an old(49 generations)and a young colony(5 generations).We evaluated mating propensity,mating latency,copula duration,sperm transfer,and ability to induce sexual inhibition in ***,both males and females from the old colony had greater mating propensity than those from the young *** duration was longer when females were from the old *** was no evidence of sexual isolation between the colonies as males and females from the two colonies had similar propensity to mate with flies from either *** from the old colony transferred more sperm regardless of which colony their mate was ***,males from both colonies were similarly able to induce sexual inhibition in their mates and were also similarly able to secure copulations with already-mated *** effects of domestication on sperm transfer,coupled with maintained ability to induce sexual inhibition in mates and to secure copulations with previously mated females,highlights that domestication may have little effect,or even positive effects,on some aspects of sexual performance that may advantage mass-reared *** in SIT programs.

关键词： laboratory adaptation mass-rearing Q-fly sexual behavior sterile insect technique

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