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anopheles gambiae

Midgut Microbiota of the Malaria Mosquito Vector Anopheles gambiae and Interactions with Plasmodium falciparum Infection

June 6, 2012 - 06:53 -- Kabogo Ndegwa
Author(s): 
Anne Boissière, Majoline T. Tchioffo, Dipankar Bachar, Luc Abate, Alexandra Marie, Sandrine E. Nsango, Hamid R. Shahbazkia, Parfait H. Awono-Ambene, Elena A. Levashina, Richard Christen, Isabelle Morlais
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PLoS Pathog 8(5): e1002742

MalariaWorldThe susceptibility of Anopheles mosquitoes to Plasmodium infections relies on complex interactions between the insect vector and the malaria parasite.

Village-Scale Evaluation of PermaNet 3.0: an Enhanced Efficacy Combination Long-Lasting Insecticidal Net Against Resistant Populations of Anopheles gambiae s.s.

May 25, 2012 - 13:49 -- Patrick Sampao
Author(s): 
A. O. Adeogun, J. B. Olojede, A. O. Oduola and T. S. Awolola
Reference: 
Malaria Chemotherapy, Control & Elimination, Vol. 1 (2012), Article ID 235543, 9 pages

MalariaWorldHere we report on a small-scale village trial carried out at two localities where malaria vectors were resistant to pyrethroid insecticides. Methods. Nets were distributed to cover all sleeping spaces and evaluated for insecticidal activity.

Dose-Effects of Bednets Impregnated with a Natural Pyrethrins Formulation: Persistence, Feeding Inhibition, and Wash Resistance against Anopheles gambiae s.s.

May 25, 2012 - 10:18 -- Patrick Sampao
Author(s): 
Kefa S. Sum, John M. Vulule, Collins Ouma, Nicholas Mulaya, and Walter G. Z. O. Jura
Reference: 
Malaria Chemotherapy, Control & Elimination, Vol. 1 (2012), Article ID 235487, 9 pages

MalariaWorld This study evaluated dose-response, persistence, irritancy and wash resistance of mosquito nets treated with a synergized natural pyrethrins-formulation against Anopheles gambiae s.s.

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Evaluation of Entomopathogenic Fungus Metarhizium anisopliae Formulated with Suneem (Neem Oil) against Anopheles gambiae s.l. and Culex quinquefasciatus Adults

May 25, 2012 - 09:53 -- Patrick Sampao
Author(s): 
Fawrou Seye, Mady Ndiaye, Oumar Faye and José Marie Afoutou
Reference: 
Malaria Chemotherapy, Control & Elimination, Vol. 1 (2012), Article ID 235494, 6 pages

MalariaWorldVery low mortality was observed in the water control. M. anisopliae in Suneem formulation could be developed for a spray technique, before being introduced in vector control.

Efficacy of ICON(R) Maxx in the laboratory and against insecticide-resistant Anopheles gambiae in central Cote d'Ivoire

May 17, 2012 - 06:32 -- Kabogo Ndegwa
Author(s): 
Winkler MS, Tchicaya E, Koudou BG, Donze J, Nsanzabana C, Muller P, Adja AM, Utzinger J
Reference: 
Malaria Journal 2012, 11:167 (15 May 2012)

MalariaWorldIn contrast to previous laboratory investigation, ICON(R) Maxx-treated nets showed only moderate KD and mortality rates.

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Restricted | Evidence for X-linked introgression between molecular forms of Anopheles gambiae from Angola

May 8, 2012 - 13:40 -- Kabogo Ndegwa
Author(s): 
K. S. Choi, H. Townson
Reference: 
Medical and Veterinary Entomology, Volume 26, Issue 2, pages 218–227, June 2012

MalariaWorldThe M and S molecular forms of the African malaria vector Anopheles gambiae (Diptera: Culicidae) are morphologically identical incipient species in which reproductive isolation is incomplete, enabling low-level gene flow between forms.

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Open Access | Spatial and temporal dynamics of malaria transmission in rural Western Kenya

April 30, 2012 - 13:59 -- Patrick Sampao
Author(s): 
Amek N, Bayoh N, Hamel M, Lindblade KA, Gimnig J, Odhiambo F, Laserson KF, Slutsker L, Smith T, Vounatsou P
Reference: 
Parasites & Vectors 2012, 5:86 (28 April 2012)

MalariaWorldWe describe the spatio-temporal dynamics of malaria transmission intensity measured by mosquito density and EIR in the KEMRI/CDC health and demographic surveillance system using entomological data collected during 2002-2004.

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Open Access | Footprints of positive selection associated with a mutation (N1575Y) in the voltage-gated sodium channel of Anopheles gambiae

April 26, 2012 - 13:29 -- Kabogo Ndegwa
Author(s): 
Christopher M. Jones, Milindu Liyanapathirana, Fiacre R. Agossa, David Weetman, Hilary Ranson, Martin James Donnelly, and Craig S. Wilding
Reference: 
PNAS April 24, 2012 vol. 109 no. 17 6614-6619

MalariaWorldInsecticide resistance is an ideal model to study the emergence and spread of adaptative variants.

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Open Access | Identification and validation of a gene causing cross-resistance between insecticide classes in Anopheles gambiae from Ghana

April 19, 2012 - 07:28 -- Kabogo Ndegwa
Author(s): 
Sara N. Mitchell, Bradley J. Stevenson, Pie Müller, Craig S. Wilding, Alexander Egyir-Yawson, Stuart G. Field, Janet Hemingway, Mark J. I. Paine, Hilary Ranson, and Martin James Donnelly
Reference: 
PNAS April 17, 2012 vol. 109 no. 16 6147-6152

MalariaWorldIn the last decade there have been marked reductions in malaria incidence in sub-Saharan Africa.

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Open Access | Impact of three years of large scale Indoor Residual Spraying (IRS) and Insecticide Treated Nets (ITNs) interventions on insecticide resistance in Anopheles gambiae s.l. in Benin

April 11, 2012 - 14:38 -- Patrick Sampao
Author(s): 
Padonou GG, Sezonlin M, Osse R, Aizoun N, Oke-Agbo F, Oussou O, Gbedjissi G, Akogbeto M
Reference: 
Parasites & Vectors 2012, 5:72 (10 April 2012)

MalariaWorldThe results of this study have confirmed that An.gambiae have maintained and developed the resistance to pyrethroids, but are still susceptible to bendiocarb.

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