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anopheles gambiae

Beyond Nature and Nurture: Phenotypic Plasticity in Blood-Feeding Behavior of Anopheles gambiae s.s. When Humans Are Not Readily Accessible

December 18, 2009 - 16:38 -- Ingeborg van Schayk
Thierry Lefèvre, Louis-Clément Gouagna, Kounbrobr Roch Dabiré, Eric Elguero, Didier Fontenille, François Renaud, Carlo Costantini, AND Frédéric Thomas
Am J Trop Med Hyg 2009;81 1023-1029

This paradox can be interpreted as the evolution of a plastic strategy of feeding behavior in this field population of An. gambiae because of the greater accessibility of readily available, although less-preferred, hosts.

Review: Diversity and similarity in the tRNA world: Overall view and case study on malaria-related tRNAs

December 17, 2009 - 13:24 -- Patrick Sampao
Joern Pütza, Richard Giegéa and Catherine Florentz
FEBS Letters, Volume 584, Issue 2, 21 January 2010, Pages 350-358

Transfer RNAs (tRNAs) are ancient macromolecules that have evolved under various environmental pressures as adaptors in translation in all forms of life but also towards alternative structures and functions. The present knowledge on both “canonical” and “deviating” signature motifs retrieved from vertical and horizontal sequence comparisons is briefly reviewed.

Open Access | Synergy between Repellents and Organophosphates on Bed Nets: Efficacy and Behavioural Response of Natural Free-Flying An. gambiae Mosquitoes

December 15, 2009 - 20:47 -- Ingeborg van Schayk
Pennetier C, Costantini C, Corbel V, Licciardi S, Dabiré RK, et al.
PLoS ONE 4(11): e7896

These field trials argue in favour of the strategy of mixing repellent and organophosphate on bed nets to better control resistant malaria vectors.

Medical Condition: 

Open Access | Short report: First report of Metarhizium anisopliae IP 46 pathogenicity in adult Anopheles gambiae s.s. and An. arabiensis (Diptera; Culicidae)

December 14, 2009 - 10:28 -- Ingeborg van Schayk
Mnyone LL, Russell TL, Lyimo IN, Lwetoijera DW, Kirby MJ, Luz C
Parasites & Vectors 2009, 2:59 (1 December 2009)

The results indicate that M. anisopliae IP 46 has the potential to be a bio-control agent for African malaria vector species, and is a suitable candidate for further research and development.

Medical Treatment: 

Nitric oxide is an essential component of the hemocyte-mediated mosquito immune response against bacteria

December 3, 2009 - 09:22 -- Patrick Sampao
Julián F. Hillyer, Tania Y. Estévez-Lao
Developmental & Comparative Immunology, Volume 34, Issue 2, February 2010, Pages 141-149, doi:10.1016/j.dci.2009.08.014

Here, we characterized the temporal and spatial expression of the Anopheles gambiae nitric oxide synthase gene and explored the role nitric oxide plays in the antibacterial response in the mosquito hemocoel.

Environmental factors associated with the malaria vectors Anopheles gambiae and Anopheles funestus in Kenya

November 26, 2009 - 13:12 -- Ingeborg van Schayk
Louise A Kelly-Hope, Janet Hemingway, F Ellis McKenzie
Malaria Journal 2009, 8:268 (26 November 2009)

In a retrospective study, the authors show that the abundance, distribution and malaria transmission of different malaria vectors are driven by different environmental factors.


Managing insecticide resistance in malaria vectors by combining carbamate-treated plastic wall sheeting and pyrethroid-treated bed nets

October 29, 2009 - 12:00 -- Ingeborg van Schayk
Armel Djenontin, Joseph Chabi, Thierry Baldet, Seth Irish, Cedric Pennetier, Jean-Marc Hougard, Vincent Corbel, Martin Akogbeto, Fabrice Chandre
Malaria Journal 2009, 8:233 (20 October 2009)

Pyrethroid resistance is now widespread in Anopheles gambiae, the major vector for malaria in sub-Saharan Africa. This resistance may compromise malaria vector control strategies that are currently in use in endemic areas. In this context, a new tool for management of resistant mosquitoes based on the combination of a pyrethroid-treated bed net and carbamate-treated plastic sheeting was developed.


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