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mosquitoes

Open Access | Insecticide resistance and malaria transmission: infection rate and oocyst burden in Culex pipiens mosquitoes infected with Plasmodium relictum

January 4, 2011 - 12:42 -- Kabogo Ndegwa
Author(s): 
Vezilier J, Nicot A, Gandon S, Rivero A
Reference: 
Malaria Journal 2010, 9:379 (31 December 2010)

Insecticide resistance was found to have no effect on Plasmodium development within the mosquito.

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Open Access | "Before we used to get sick all the time": perceptions of malaria and use of long-lasting insecticide-treated bed nets (LLINs) in a rural Kenyan community

December 2, 2010 - 06:36 -- Kabogo Ndegwa
Author(s): 
Dye TD, Apondi R, Lugada ES, Kahn JG, Smith J, Othoro C
Reference: 
Malaria Journal 2010, 9:345 (30 November 2010)

Attitudes toward LLINs were positive in this rural community in Western Kenya, and respondents noted benefits with LLIN use.

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Open Access | Genetic evidence for malaria vectors of the Anopheles sundaicus complex in Sri Lanka with morphological characteristics attributed to Anopheles subpictus species B

December 1, 2010 - 10:12 -- Kabogo Ndegwa
Author(s): 
Surendran SN, Singh OP, Jude PJ, Ramasamy R
Reference: 
Malaria Journal 2010, 9:343 (29 November 2010)

The study suggests that published morphological characteristics are not specific enough to identify some members of the Subpictus complex, particularly species B.

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Open Access | How many mosquito nets are needed to achieve universal coverage? Recommendations for the quantification and allocation of long-lasting insecticidal nets for mass campaigns

November 24, 2010 - 08:39 -- Kabogo Ndegwa
Author(s): 
Albert Kilian, Marc Boulay, Hannah Koenker, Matthew Lynch
Reference: 
Malaria Journal 2010, 9:330 (18 November 2010)

In order to avoid stock-outs of nets during national coverage campaigns, it is recommended to use a quantification factor of 1.78 people per net, with an additional allocation factor suggested to account for other common problems at the community level resulting in a final recommended ratio of 1.60 people per net.

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An experimental hut evaluation of PermaNet® 3.0, a deltamethrin–piperonyl butoxide combination net, against pyrethroid-resistant Anopheles gambiae and Culex quinquefasciatus mosquitoes in southern Benin

November 15, 2010 - 14:22 -- Patrick Sampao
Author(s): 
Raphael N’Guessan, Alex Asidi, Pelagie Boko, Abibatou Odjo, Martin Akogbeto, Olivier Pigeon, Mark Rowland
Reference: 
Transactions of the Royal Society of Tropical Medicine and Hygiene, Volume 104, Issue 12, December 2010, Pages 758-765

An experimental hut trial comparing unwashed and 20 times washed PermaNet 3.0 and PermaNet 2.0, Olyset Net and a conventional deltamethrin-treated net washed three times was conducted in southern Benin.

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Open Access | The effect of repeated washing of long-lasting insecticide-treated nets (LLINs) on the feeding success and survival rates of Anopheles gambiae

November 3, 2010 - 08:16 -- Kabogo Ndegwa
Author(s): 
Atieli FK, Munga SO, Ofulla AV, Vulule JM
Reference: 
Malaria Journal 2010, 9:304 (29 October 2010)

The result of this study shows that repeated washing of LLINs at short time intervals using local washing methods may render them infective within a short time in preventing local vectors from feeding.

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Open Access | Plasmodium falciparum Malaria Challenge by the Bite of Aseptic Anopheles stephensi Mosquitoes: Results of a Randomized Infectivity Trial

October 30, 2010 - 12:24 -- Kabogo Ndegwa
Author(s): 
Kirsten E. Lyke, Matthew Laurens, Matthew Adams, Peter F. Billingsley, Adam Richman, Mark Loyevsky, Sumana Chakravarty, Christopher V. Plowe, B. Kim Lee Sim, Robert Edelman, Stephen L. Hoffman
Reference: 
PLoS ONE 5(10): e13490

The use of aseptic, cGMP-compliant P. falciparum-infected mosquitoes is safe, is associated with a precise prepatent period compared to the standard model and appears more efficient than the standard approach, as it led to infection in 100% (6/6) of volunteers exposed to three mosquito bites and 83% (5/6) of volunteers exposed to one mosquito bite.

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SNP genotyping defines complex gene-flow boundaries among african malaria vector mosquitoes

October 27, 2010 - 13:09 -- Kabogo Ndegwa
Author(s): 
DE Neafsey, MK Lawniczak,MA Muskavitch, et al.
Reference: 
Science 22 October 2010: Vol. 330. no. 6003, pp. 514 – 517

Mosquitoes in the Anopheles gambiae complex show rapid ecological and behavioral diversification, traits that promote malaria transmission and complicate vector control efforts.

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Open Access | A heterodimeric complex of the LRR proteins LRIM1 and APL1C regulates complement-like immunity in Anopheles gambiae

October 1, 2010 - 13:31 -- Kabogo Ndegwa
Author(s): 
Richard H. G. Baxter, Stefanie Steinert, Yogarany Chelliah, Gloria Volohonsky, Elena A. Levashina, and Johann Deisenhofer
Reference: 
PNAS September 28, 2010 vol. 107 no. 39 16817-16822

The leucine-rich repeat (LRR) proteins LRIM1 and APL1C control the function of the complement-like protein TEP1 in Anopheles mosquitoes. The molecular structure of LRIM1 and APL1C and the basis of their interaction with TEP1 represent a new type of innate immune complex.

Open Access | Naturally Occurring Triggers that Induce Apoptosis-Like Programmed Cell Death in Plasmodium berghei Ookinetes

September 17, 2010 - 10:06 -- Kabogo Ndegwa
Author(s): 
Medhat Ali, Ebtesam M. Al-Olayan, Steven Lewis, Holly Matthews, Hilary Hurd
Reference: 
PLoS ONE 5(9): e12634

Several protozoan parasites have been shown to undergo a form of programmed cell death that exhibits morphological features associated with metazoan apoptosis. These include the rodent malaria parasite, Plasmodium berghei.

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