نتایج جستجو برای: mosquitoes

تعداد نتایج: 10880  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2004
Nic Irvin Mark S Hoddle David A O'Brochta Bryan Carey Peter W Atkinson

The development of transgenic mosquitoes that are refractory to the transmission of human diseases such as malaria, dengue, and yellow fever has received much interest due to the ability to transform a number of vector mosquito species with transposable elements. Transgenic strains of mosquitoes have been generated with molecular techniques that exhibit a reduced capacity to transmit pathogens....

Journal: :E3S web of conferences 2023

The article summarizes and analyzes the materials of literary sources results our own research on inventory species diversity mosquitoes horseflies in Tyumen region. fauna Yamalo-Nenets autonomous okrug is represented by 27 6 subspecies, - 29 species, southern part region 33 4 subspecies 41 mosquitoes.

Journal: :Journal of clinical microbiology 1988
T F Tsai C M Happ R A Bolin M Montoya E Campos D B Francy R A Hawkes J T Roehrig

The use of enzyme immunoassay to detect St. Louis encephalitis (SLE) viral antigen in vector mosquitoes enhances the effectiveness of surveillance because infected mosquitoes can be identified more rapidly than with conventional virus isolation systems and because it is a simple and accessible procedure. Infectivity among mosquitoes experimentally infected with SLE virus was lost within 24 h af...

Journal: :Journal of the American Mosquito Control Association 1998
A T Naksathit T W Scott

We determined whether size, an indirect measure of teneral energy reserves, modifies the fitness advantage (sigma survival x egg production/female/day) conferred to female Aedes aegypti (L.) maintained on human blood over cohorts fed human blood plus sugar. Different sized females were obtained by rearing them at different larval densities and with different amounts of food per larva. Each fema...

2014
Regina Jijoho Patinvoh Alfred Akpoveta Susu

Reduction of mosquito populations will, at least, reduce substantially the transmission of malaria disease. One potential method of achieving this reduction is the environmentally-friendly population control method known as the Sterile Insect Control (SIT) method. The SIT method has so far not been widely used against insect disease vectors, such as mosquitoes, because of various practical diff...

Journal: :The Korean journal of parasitology 2002
Shin-Hyeong Cho Hyeong-Woo Lee E-Hyun Shin Hee-Il Lee Wook-Gyo Lee Chong-Han Kim Jong-Taek Kim Jong-Soo Lee Won-Ja Lee Gi-Gon Jung Tong-Soo Kim

In order to study the range of flight and feeding activity of Anopheles sinensis, the dispersal experiment was conducted in Paju city, located in the northern part of Gyeonggi-do, Republic of Korea, during the period of 7th to 28th September 1998. Unfed females An. sinensis were collected in cowshed and released after being marked with fluorescent dye at 23:00 hours on the same day. Released fe...

2014
Rebekah C. Kading Mary B. Crabtree Brian H. Bird Stuart T. Nichol Bobbie Rae Erickson Kalanthe Horiuchi Brad J. Biggerstaff Barry R. Miller

BACKGROUND Previously, we investigated the role of the Rift Valley fever virus (RVFV) virulence genes NSs and NSm in mosquitoes and demonstrated that deletion of NSm significantly reduced the infection, dissemination, and transmission rates of RVFV in Aedes aegypti mosquitoes. The specific aim of this study was to further characterize midgut infection and escape barriers of RVFV in Ae. aegypti ...

Journal: :Journal of insect physiology 2009
Guoli Zhou Roger L Miesfeld

Diapause in overwintering adult female Culex pipiens mosquitoes plays an important role in the transmission of West Nile and other encephalitis-inducing flaviviruses. To investigate the dynamic metabolic processes that control Cx. pipiens diapause, we used radioactive tracer techniques with [(14)C]-glucose to investigate the metabolic fate and flux of glucose in adult mosquitoes reared under di...

Journal: :Journal of medical entomology 2002
David J Dohm Monica L O'Guinn Michael J Turell

Environmental temperature can affect the ability of mosquitoes to transmit an arbovirus. However, results of various studies indicate that these effects are not consistent among viruses or mosquito species, and there is no information available on the effect of environmental temperature on the ability of North American mosquito species to transmit West Nile (WN) virus. We evaluated the effect o...

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