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Satyrization and satyrization-resistance in competitive displacements of invasive mosquito species

Insect Science 2016年第2期23卷 162-174页

作者： Irka Ewa Bargielowski Leon Philip Lounibos Florida Medical Entomology Laboratory University of Florida Vero Beach Florida USA

Competitive displacements or reductions of resident populations of insects, often effected by a related species, may be caused by a variety of mechanisms. Satyrization is a form of mating interference in which males of one species mate with females of another species, significantly decreasing their fitness and not generating hybrids. Satyriza- tion has been established to be the probable cause of competitive displacements of resident mosquitoes by invasive species, especially of aedes aegypti by aedes albopictus, two important vectors of dengue and chikungunya viruses. Mathematical models predict that even low levels of asymmetric mating interference are capable of producing competitive displacements or reductions. Couplings of virgin Ae. aegypti females with Ae. albopictus males effectively sterilize these females through the monogamizing actions of male ac- cessory gland products, but the converse interspecific mating does not impact the future reproduction ofAe. albopictus females. Populations ofAe. aegypti exposed to satyrization quickly evolve resistance to interspecific mating, which is believed to ameliorate repro- ductive interference from, and promote co-existence with, Ae. albopictus. The evolution of satyrization resistance among Ae. aegypti in laboratory cages is accompanied by fitness costs, such as reduced fecundity and slower receptivity to conspecific males. Cage exper- iments and field observations indicate that Ae. albopictus males are capable of satyrizing females of other species of the Stegomvia subgenus, potentially leading to competitive displacements, and possible extinctions, especially of endemic species on islands. Exam- ination of other examples of reproductive interference in insects reveals few parallels to the mechanism and outcomes of satyrization by Ae. albopictus. We conclude by posing the hypothesis that satyrization may favor the ecological success of Ae. albopictus, and suggest many lines for future research on this phenomenon.

关键词： aedes aegypti aedes albopictus mating interference reproductive interfer-ence satyrization

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Anti-Insect Activity of the Methanol Extracts of Fern and Gymnosperm

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Agricultural Sciences in China 2010年第2期9卷 249-256页

作者： HUANG Su-qing ZHANG Zhi-xiang LI You-zhi LI Yu-xia XU Han-hong Key Laboratory of Natural Pesticide ＆ Chemical Biology Ministry of Education/South China Agricultural University Guangzhou 510642 P.R. China College of Bio-Safety Science and Technology Hunan Agricultural University Changsha 410128 P.R.China

With environmental and food safety issues becoming one of the greatest concerns of the public, active plant compounds play more and more important roles in pest controlling. Fern to their particular status in plant taxology and co-evolution are of great significance for application as new pesticides due with insects. In this study, methanol extracts were distilled from wild fern and gymnosperm of 54 species of 22 families collected from Shiwandashan Mountain in Guangxi Zhuang Autonomous Region of China. Insecticidal activities of the methanol extracts were assayed on both adult house fly （Musca domestica） and mosquito （aedes albopictus）. Significant insecticidal activities were exhibited in the methanol extracts of five species, Cupressusfunebris （leaves and stems）, Cycas acuminatissima （roots）, Keteleeria fortunei （leaves and stems）, Onychium japonicum （whole plant）, and Pinus taiwanensis var. Darning shanensis （leaves and stems）. Applications of the extracts of these plants resulted in higher than 50% mortalities in 4th instar larvae of A. albopictus at 24 h after treatment. The methanol extracts from 13 species possessed insecticidal activities against the adult of M. domestica at 48 h after treatment with higher than 90% mortalities. The extensive screening results showed that these fern and gymnosperm were highly potential to be botanical insecticides. The findings provide a feasible and valuable basis for further investigation.

关键词： plant extracts anti-insect activity Musca domestica aedes albopictus

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Susceptibility and interactions between aedes mosquitoes and Zika viruses

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Insect Science 2021年第5期28卷 1439-1451页

作者： Teng-Fei Zhou Ze-Tian Lai Shuang Liu Jia-Yong Zhou Yang Liu Yang Wu Ye Xu Kun Wu Jin-Bao Gu Gong Cheng Xiao-Guang Chen Department of Pathogen Biology Key Laboratory of Tropical Disease Research of Guangdong ProvinceSchool of Public HealthSouth-ern Medical UniversityGuangzhouChina Tsinghua-Peking Center for Life Sciences School of MedicineTsinghua UniversityBeijing100084China Department of Biochemistry&Molecular Biology University of Texas Medical BranchGalvestonTexasUSA

Zika virus disease is caused by Zika virus infection,as transmitted by aedes *** of the Zika virus strains isolated from patients display different pathogenicities toward *** vector mosquitoes for Zika virus are mainly of the aedes genus,especially aedes aegypti and aedes ***,susceptibility and interactions between aedes *** and Zika viruses remain *** this study,we chose two Zika virus strains(FSS 13025 and PRVABC59)with different abilities to infect the primary vector mosquitoes *** and *** transcriptomes and small RNA profiles of infected and uninfected mosquitoes were comparatively analyzed,and differentially expressed genes were functionally examined using RNA *** to the results,the susceptibility of PRVABC59 was higher than that of FSS13025 in aedes vector mosquitoes,and *** was more susceptible to Zika virus than was *** PRVABC59 infection,specific differential expression profiles correlated with *** and ***,and susceptibility was significantly affected when three targeted genes were successfully knocked *** with PRVABC59,infection of *** with FSS 13025 generated more 21-nt virus small interference *** can be concluded that the susceptibility of vector aedes *** to Zika viruses varies and that the interactions between mosquitoes and Zika virus correlate with susceptibility.

关键词： aedes aegypti aedes albopictus RNAi RNA-Seq susceptibility Zika virus

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大链壶菌对白纹伊蚊及几种其它贵州蚊虫的杀灭作用的观察(英文)

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Insect Science 1994年第3期 283-288页

作者：苏晓庆贵阳医学院生物教研室贵阳550004

采用大链壶菌在实验室内对白纹伊蚊及其它几种贵州蚊虫的幼虫进行杀灭试验。白纹伊蚊的感染率为25—89％,而致倦库蚊的感染率可达90—100％。实验结果为大链壶菌的宿主记录新增加一个属和五个种。

关键词： Lagenidium giganteum mosquito biocontrol aedes albopictus

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中华按蚊和白纹伊蚊接种马来丝虫微丝蚴后酚氧化酶活性的变化(英文)

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Insect Science 1995年第2期 188-192页

作者：潘小军金萍广州师范学院生物系广州医学院寄生虫学教研室广州510400 广州510182

酚氧化酶在昆虫抵抗外来异物黑化和成囊的免疫反应中起重要作用。中华按蚊和白纹伊蚊分别经胸内接种马来丝虫微丝蚴和生理盐水后,测定蚊血淋巴中酚氧化酶活性。结果表明:未接种的两种蚊,其1日龄蚊的酚氧化酶活性显著高于3、12和16日龄蚊... 详细信息

酚氧化酶在昆虫抵抗外来异物黑化和成囊的免疫反应中起重要作用。中华按蚊和白纹伊蚊分别经胸内接种马来丝虫微丝蚴和生理盐水后,测定蚊血淋巴中酚氧化酶活性。结果表明:未接种的两种蚊,其1日龄蚊的酚氧化酶活性显著高于3、12和16日龄蚊。1日龄中华按蚊接种微丝蚴24h后,其酚氧化酶活性比未接种蚊和接种生理盐水蚊高2—3倍。1日龄白纹伊蚊接种微丝蚴24h后,其酚氧化酶活性是未接种蚊的7倍。白纹伊蚊酚氧化酶活性的免疫激活水平显著高于中华按蚊。讨论了中华按蚊和白纹伊蚊酚氧化酶活性的差异与其免疫力差异的关系。

关键词： Anopheles sinensis aedes albopictus Brugia malayi phenol oxidase.

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Insecticide resistance status and biochemical mechanisms involved in aedes mosquitoes: A scoping review

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Asian Pacific Journal of Tropical Medicine 2021年第2期14卷 52-63页

作者： Minu Bharati Dhiraj Saha Insect Biochemistry and Molecular Biology Laboratory Department of ZoologyUniversity of North Bengal.P.O.North Bengal UniversityDistrict-DarjeelingWest Bengal734013 India

Mosquitoes belonging to the genus aedes pose a significant threat to human health on a global scenario due to their role in transmission of dengue,chikungunya,zika,and yellow *** absence of specific medications and vaccines against these diseases,disease prevention relies on vector ***,in today’s world,vector control is facing major challenges due to the onset of insecticide resistance in *** are four main mechanisms of insecticide resistance,namely,behavioral resistance,reduced penetration/cuticular resistance,metabolic detoxification,and target site resistance;however,the latter two mechanisms have been studied widely in aedes *** resistance in aedes mosquitoes is widespread throughout the *** review compiles the degree of insecticide resistance/susceptibility prevailing among different field populations of aedes mosquitoes *** addition,the review has detailed the mechanisms providing the resistance phenomenon observed in nature in aedes mosquitoes.

关键词： aedes aegypti aedes albopictus Insecticide resistance Metabolic detoxification Knockdown resistance

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Threats of Zika virus transmission for Asia and its Hindu-Kush Himalayan region

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Infectious Diseases of Poverty 2018年第1期7卷 387-393页

作者： Meghnath Dhimal Sushma Dahal Mandira Lamichhane Dhimal Shiva Raj Mishra Khem BKarki Krishna Kumar Aryal Ubydul Haque Md Iqbal Kabir Pradeep Guin Azeem Mehmood Butt Harapan Harapan Qi-Yong Liu Cordia Chu Doreen Montag David Alexander Groneberg Basu Dev Pandey Ulrich Kuch Ruth Muller Nepal Health Research Council(NHRC) Ramshah PathKathmanduNepal Institute of Occupational edicine Social Medicine and Environmental MedicineGoethe UniversityFrankfurt am MainGermany Faculty of Social Sciences Goethe UniversityFrankfurt am MainGermany The University of Queensland BrisbaneAustralia Department of Public Health Baldwin Wallace UniversityBereaOhioUSA Department of Epidemiology National Institute of Preventive and Social MedicineMinistry of Health and Family WelfareDhakaBangladesh Public Health Foundation of India GurgaonHaryanaIndia Centre for Environmental Health GurgaonHaryanaIndia Translational Genomics Laboratory Department of BiosciencesCOMSATS Institute of Information Technology(CIIT)Islamabad 45550Pakistan Medical Research Unit School of MedicineSyiah Kuala UniversityBanda AcehIndonesia WHO Collaborating Centre for Vector Surveillance and Management SKLIDCCIDICDCChina CDCBeijingChina Centre for Environment and Population Health Griffith UniversityNathanQueenslandAustralia Barts and the London School of Medicine Centre for Primary Care and Public HealthQueen Mary University of LondonLondonUK Department of Health Services Ministry of HealthGovernment of NepalKathmanduNepal

Asia and its Hindu Kush Himalayan(HKH)region is particularly vulnerable to environmental change,especially climate and land use changes further influenced by rapid population growth,high level of poverty and unsustainable *** has been a hotspot of dengue fever and chikungunya mainly due to its dense human population,unplanned urbanization and *** an urban cycle,dengue virus(DENV)and chikungunya virus(CHIKV)are transmitted by aedes aegypti and *** mosquitoes which are also competent vectors of Zika virus(ZIKV).Over the last decade,DENV and CHIKV transmissions by *** have extended to the Himalayan countries of Bhutan and Nepal and ZIKV could follow in the footsteps of these viruses in the HKH *** already established distribution of human-biting aedes mosquito vectors and a naïve population with lack of immunity against ZIKV places the HKH region at a higher risk of *** of the countries in the HKH region have already reported ZIKV *** have documented an increasing threat of ZIKV in Asia and its HKH region because of the high abundance and wide distribution of human-biting mosquito vectors,climate change,poverty,report of indigenous cases in the region,increasing numbers of imported cases and a naïve population with lack of immunity against *** outbreak anywhere is potentially a threat ***,in order to ensure international health security,all efforts to prevent,detect,and respond to ZIKV ought to be intensified now in Asia and its HKH *** prepare for possible ZIKV outbreaks,Asia and the HKH region can also learn from the success stories and strategies adopted by other regions and countries in preventing ZIKV and associated *** future control strategies for DENV,CHIKV and ZIKV should be considered in tandem with the threat to human well-being that is posed by other emerging and re-emerging vector-borne and zoonotic diseases,and by the continuing urgent need to strengthen public

关键词： aedes aegypti aedes albopictus Dengue virus Chikungunya virus Hindu Kush Himalayas Mountain Poverty Zika virus

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Co-circulation of aedes flavivirus,Culex flavivirus,and Quang Binh virus in Shanghai,China

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Infectious Diseases of Poverty 2018年第1期7卷 740-749页

作者： Yuan Fang Yi Zhang Zheng-Bin Zhou Wen-Qi Shi Shang Xia Yuan-Yuan Li Jia-Tong Wu Qin Liu Guang-Yi Lin National Institute of Parasitic Diseases Chinese Center for Disease Control and PreventionWHO Collaborating Centre for Tropical DiseasesNational Center for International Research on Tropical DiseasesMinistry of Science and TechnologyKey Laboratory of Parasite and Vector BiologyMinistry of Health207 Rui Jin Er RoadShanghai 200025People’s Republic of China Shanghai Medical College Fudan UniversityShanghai 200032People’s Republic of China

Background:With increases in global travel and trade,the spread of arboviruses is undoubtedly *** detection in field-caught mosquitoes can provide the earliest possible warning of ***-specific flavivirus(ISFV)has been first detected in 1991 and documented worldwide in the latest ten *** infection with ISFVs is apparently limited to insects,an increase in the infection rate of mosquito-borne flaviviruses may be able to induce cytopathic effects in vertebrate cells during co-infection with other human ***,little is known whether ISFVs persist in most regions of ***:During the mosquito activity season in 2016,a surveillance program was carried out to detect ISFVs in mosquitoes in metropolitan Shanghai,*** presence of ISFVs was randomly tested in different species of mosquitoes using RT-PCR-based and hemi-nested PCR assays,following by the sequencing of PCR *** from positive pooled samples were compared with those deposited in ***,sequences of representative insect flaviviruses were used for further phylogenetic and molecular evolutionary ***:Our investigations showed:(1)the presence of aedes flavivirus(AEFV)in 11/161 pooled samples(nine pools in Songjiang District,one pool in Huangpu District,and one pool in Qingpu District)of aedes albopictus,(2)the presence of Quang Binh virus(QBV)in 10/195 pooled samples(all in Chongming District)of Culex tritaeniorhynchus;and(3)the presence of Culex flavivirus(CxFV)in 9/228 pooled samples(six pools in Pudong New Area,two pools in Huangpu District,and one pool in Chongming District)of ***,phylogenetic analyses of the gene sequences of envelope proteins indicated that Shanghai CxFV strains belonged to the Asia/USA *** overall maximum likelihood estimation values(and 95%confidence interval)for CxFV,QBV,and AEFV in mosquitoes collected in Shanghai in 2016 were 1.34(0.66-2.45),1.65(0.87-2.85),and

关键词： aedes flavivirus aedes albopictus Culex flavivirus Culex pipiens Culex tritaeniorhynchus Quang Binh virus

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Contribution of public places in proliferation of dengue vectors in Penang Island,Malaysia

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Asian Pacific Journal of Tropical Biomedicine 2017年第3期7卷 183-187页

作者： Alhaji Hamisu Maimusa Abu Hassan Ahmad Nur Faeza Abu Kassim Hamdan Ahmad Hamady Dieng Junaid Rahim School of Biological Sciences Universiti Sains Malaysia11800Pulau PinangMalaysia Vector Control Research Unit School of Biological SciencesUniversiti Sains Malaysia11800Pulau PinangMalaysia Institute of Biodiversity and Environmental Conservation Universiti Malaysia Sarawak94300Kota SamarahanSarawakMalaysia

Objective: To determine abundance, distribution and diversity of potential breeding container habitats of the dengue vectors in public places including schools, restaurants,mosques and parks in southwest areas of Penang Island, ***: Premises at restaurants, schools, parks and mosques were surveyed simultaneously and inspected visually for container habitats and production of immature mosquitoes from March 2015 to March 2016. Abundance(mean ± SE) of breeding containers between sites was compared using One-way ANOVA. Independent sample ttest was used to compare total number of aedes albopictus(Ae. albopictus) and aedes aegypti(Ae. aegypti) ***: The surveyed locations yielded a total of 3 741 breeding containers and 19 537 immature mosquitoes from four areas. Concurrent artificial and natural containers produced 78.4% immature Ae. albopictus and 6.3% Ae. aegypti mosquitoes in wet season,with 14.2% Ae. albopictus and 1.1% Ae. aegypti mosquitoes in dry season. Artificial containers accounted for 98.1% of the total containers recorded, with restaurants being the most productive locations(8 012) and schools being the least productive(2 234).Conclusions: It was concluded that public places are good sources of potential container habitats of aedes mosquitoes in Penang Island, Malaysia and Ae. albopictus has exclusively replaced the home-grown Ae. aegypti even in urban areas. Therefore, treatment of artificial containers in such locations is critical in aedes mosquito control campaigns during dengue outbreaks.

关键词： Public places Breeding containers Abundance aedes albopictus aedes aegypti

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Highly diversified Zika viruses imported to China, 2016

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Protein & Cell 2016年第6期7卷 461-464页

作者： Yanjun Zhang Wenxian Chen Gary Wong Yuhai Bi Juying Yan Yi Sun Enfu Chen Hao Yan Xiuyu Lou Haiyan Mao Shichang Xia George F.Gao Weifeng Shi Zhiping Chen Zhejiang Provincial Center for Disease Control and Prevention Hangzhou 310051China Yiwu Center for Disease Control and Prevention Yiwu 322000China CAS Key Laboratory of Pathogenic Microbiology and Immunology(CASPMI) Institute of MicrobiologyChinese Academy of SciencesBeijing 100101China Institute of Pathogen Biology Taishan Medical CollegeTaian 271000China Center for Influenza Research and Early-Warning(CASCIRE) Chinese Academy of SciencesBeijing 100101China Shenzhen Key Laboratory of Pathogen and Immunity Shenzhen Third People’s HospitalShenzhen 518112China Office of Director-General Chinese Center for Disease Control and Prevention(China CDC)Beijing 102206China

Dear Editor, First discovered during 1947 in Uganda from febrile rhesus macaques, Zika virus （ZIKV） is a mosquito-borne, reemerging flavivirus historically known to be present in much of Africa and Asia, occasionally causing outbreaks amongst the local populace （Haddow et al., 2012）. ZIKV infections in humans are mostly asymptomatic, but a small percentage of patients may show clinical symptoms such as a fever and rash, which resolve within a week or less.

关键词： Guangdong Province ZIKV Infection Amino Acid Polymorphism Maximum Likelihood Phylogenetic Tree aedes albopictus

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