VecNet Digital Library

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A comparative study of voltage-gated sodium channels in the Insecta: implications for pyrethroid resistance in anopheline and other neopteran species

Davies, T. G. E., Field, L. M., Usherwood, P. N. R., Williamson, M. S.
Insect Mol Biol 16(3), 361-375. (Jun 2007)

We report the complete cDNA sequence of the Anopheles gambiae voltage-gated sodium channel (VGSC) a subunit isolated from mature adult mosquitoes. The genomic DNA contains 35 deduced exons with a predicted translation of <= 2139 amino acid cDNAs. The transcription of the gene is, however, complex, alternate splicing being evident for at least five ...

A field trial with Lambda-cyhalothrin (ICON) for the intradomiciliary control of malaria transmitted by Anopheles darlingi root in Rondonia, Brazil

Charlwood, J. D., Alecrim, W. D., Fe, N., Mangabeira, J., Martins, V. J.
Acta Trop 60(1), 3-13. (Sep 1995)

A two stage field trial comparing the effects of Lambdacyhalothrin (ICON) and DDT when used as residual sprays on the inside surfaces of houses, was conducted in the Machadinho and Jaru areas of Rodonia, Brazil, in 1987 and 1988. In 1987 houses along two 16 km contiguous stretches of a main and a side road were sprayed and the effects on malaria ve...

A High Throughput Screening System for Determining the Three Actions of Insecticides Against Aedes aegypti (Diptera: Culicidae) Populations in Thailand

Thanispong, K., Achee, N. L., Grieco, J. P., Bangs, M. J., Suwonkerd, W., Prabaripai, A., Chauhan, K. R., Chareonviriyaphap, T.
J Med Entomol 47(5), 833-841. (Sep 2010)

Chemicals can protect humans from the bites of hemophagous arthropods through three different primary actions: irritancy (excitation), repellency, or toxicity, actions that can be evaluated using a laboratory-based assay system. In this study, the deterrent and toxic actions of three synthetic pyrethroids and DDT were characterized on six field str...

A large-scale evaluation of pirimiphos-methyl 25% WP during 1980-1981 for malaria control in Pakistan

Nasir, S. M., Ahmad, N., Shah, M. A., Azam, C. M.
J Trop Med Hyg 85(6), 239-44. (Dec 1982)

The emergence of strains of malaria vectors resistant to malathion in an area of Pakistan, and the continuing search for improved methods of control, necessitated the examination of alternative safe insecticides, with improved residual effects, for future use in the Malaria Control Programme in Pakistan. For these reasons, the effectiveness of piri...

A Malaria Control Trial Using Insecticide-Treated Bed Nets and Targeted Chemoprophylaxis in a Rural Area of the Gambia, West-Africa .3. Entomological Characteristics of the Study Area

Lindsay, S. W., Alonso, P. L., Schellenberg, J. R. M. A., Hemingway, J., Thomas, P. J., Shenton, F. C., Greenwood, B. M.
T Roy Soc Trop Med H 87, 19-23. (Jun 1993)

Baseline entomological surveillance was carried out i a rural area of The Gambia during the rainy season in 1988, one year before the implementation of a malaria control programme using insecticide-impregnated nets and targeted chemoprophylaxis in villages with a primary health care (PHC) system. Mosquito collections took place in 6 pairs of settle...

A malaria outbreak in Naxalbari, Darjeeling district, West Bengal, India, 2005: weaknesses in disease control, important risk factors

Sharma, P. K., Ramanchandran, R., Hutin, Y. J., Sharma, R., Gupte, M. D.
Malaria J 8. (Dec 10 2009)

An outbreak of malaria in Naxalbari, West Bengal, India, in 2005 was investigated to understand determinants and propose control measures. Malaria cases were slide-confirmed. Methods included calculation of annual blood examination rates (ABER, number of slides examined/population), collection of water specimens from potential vector-breeding sites...

A New Long-Lasting Indoor Residual Formulation of the Organophosphate Insecticide Pirimiphos Methyl for Prolonged Control of Pyrethroid-Resistant Mosquitoes: An Experimental Hut Trial in Benin

Rowland, M., Boko, P., Odjo, A., Asidi, A., Akogbeto, M., N'Guessan, R.
Plos One 8(7). (Jul 23 2013)

Background: Indoor residual spraying (IRS) is widely used for malaria transmission control in sub-Saharan Africa. Resistance to pyrethroids in the mosquito Anopheles gambiae is a growing problem. There is an urgent need to develop long-lasting alternative insecticides to reduce selection pressure for pyrethroid resistance and to provide control wit...

A new long-lasting indoor residual formulation of the organophosphate insecticide pirimiphos methyl for prolonged control of pyrethroid-resistant mosquitoes: an experimental hut trial in Benin

Rowland, M., Boko, P., Odjo, A., Asidi, A., Akogbeto, M., N'Guessan, R.
PloS one 8(7), e69516. (2013)

BACKGROUND: Indoor residual spraying (IRS) is widely used for malaria transmission control in sub-Saharan Africa. Resistance to pyrethroids in the mosquito Anopheles gambiae is a growing problem. There is an urgent need to develop long-lasting alternative insecticides to reduce selection pressure for pyrethroid resistance and to provide control wit...