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mosquito

Anopheles sinensis mosquito insecticide resistance: comparison of three mosquito sample collection and preparation methods and mosquito age in resistance measurements

February 25, 2014 - 17:32 -- Open Access
Author(s): 
Xu T, Zhong D, Tang L, Chang X, Fu F, Yan G, Zheng B
Reference: 
Parasites & Vectors 2014, 7 :54 (28 January 2014)

The objectives of this study were to determine whether mosquito sample collection and preparation methods affected bioassay results, which may cause incorrect classification of mosquito resistance status.

Assessing the optimal virulence of malaria-targeting mosquito pathogens: a mathematical study of engineered Metarhizium anisopliae

January 13, 2014 - 19:06 -- Open Access
Author(s): 
Konrad BP, Lindstrom M, Gumpinger A, Zhu J, Coombs D
Reference: 
Malaria Journal 2014, 13 :11 (8 January 2014)

The results indicate that there is no obvious choice of virulence for engineered Metarhizium or similar pathogens, and that all available information regarding the population ecology of the combined mosquito-fungus system should be carefully considered.

Not Open Access | Plasmodium sporozoites acquire virulence and immunogenicity during mosquito hemocoel transit

January 6, 2014 - 16:03 -- NOT Open Access
Author(s): 
Yuko Sato, Georgina N. Montagna and Kai Matuschewski
Reference: 
Infection and Immunity , volume 82, issue 1, January 2014

In this study, we systematically compared infectivity of Plasmodium berghei sporozoites isolated from the mosquito hemocoel and salivary glands. Hemocoel sporozoites display a lower proportion of gliding motility, but develop into liver stages when added to cultured hepatoma cells or after intravenous injection into mice.

Large fluctuations in the effective population size of the malaria mosquito Anopheles gambiae s.s. during vector control cycle

December 11, 2013 - 17:35 -- Open Access
Author(s): 
Theresa K. Hodges, Giridhar Athrey, Kevin C. Deitz, Hans J. Overgaard, Abrahan Matias, Adalgisa Caccone, Michel A. Slotman
Reference: 
Evolutionary Applications, Volume 6, Issue 8, pages 1171–1183, December 2013

We analyzed data for 13 microsatellite loci from 791 An. gambiae specimens collected at six time points in 2009 and 2010 and reconstructed the demographic history of the population during this period using approximate Bayesian computation (ABC).

Not Open Access | Effects of blood-feeding on olfactory sensitivity of the malaria mosquito Anopheles gambiae: Application of mixed linear models to account for repeated measurements

October 24, 2013 - 16:48 -- NOT Open Access
Author(s): 
Yu-Tong Qiu, Gerrit Gort, Roberta Torricelli, Willem Takken, Joop J.A. van Loon
Reference: 
Journal of Insect Physiology, Volume 59, Issue 11, November 2013, Pages 1111-1118
MalariaWorld

We introduce mixed linear modeling as an improved statistical analysis for electrophysiological data. Two hours after blood ingestion, olfactory sensitivity as quantified through EAG-recording increased significantly and selectively, i.e. for seven compounds, compared to unfed females of the same age.

Agro-ecosystems impact malaria prevalence: large-scale irrigation drives vector population in western Ethiopia

October 18, 2013 - 15:43 -- Open Access
Tags: 
Author(s): 
Kassahun T Jaleta, Sharon R Hill, Emiru Seyoum, Meshesha Balkew, Teshome Gebre-Michael, Rickard Ignell, Habte Tekie
Reference: 
Malaria Journal 2013, 12:350 (2 October 2013)
MalariaWorld

In this study, the effect of agro-ecosystem practices on malaria prevalence and the risk of malaria transmission by the primary vector mosquito, Anopheles arabiensis, in Ethiopia were investigated.

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Not Open Access | Effects of blood-feeding on olfactory sensitivity of the malaria mosquito Anopheles gambiae: Application of mixed linear models to account for repeated measurements

October 9, 2013 - 14:55 -- NOT Open Access
Author(s): 
Yu-Tong Qiu, Gerrit Gort, Roberta Torricelli, Willem Takken, Joop J.A. van Loon
Reference: 
Journal of Insect Physiology, Volume 59, Issue 11, November 2013, Pages 1111-1118
MalariaWorld

We investigated if peripheral olfactory sensitivity changed after a blood meal by recording electroantennograms (EAGs) of female mosquitoes at three time points (2 h, 48 h and 72 h) to 15 volatile kairomones of either human origin or documented to emanate from oviposition sites.

NOT Open Access | Looking under the skin: the first steps in malarial infection and immunity

September 18, 2013 - 11:24 -- NOT Open Access
Author(s): 
Robert Ménard, Joana Tavares, Ian Cockburn, Miles Markus, Fidel Zavala & Rogerio Amino
Reference: 
Nature Reviews Microbiology 11, 701–712, (2013)
MalariaWorld

Malaria, which is caused by Plasmodium spp., starts with an asymptomatic phase, during which sporozoites, the parasite form that is injected into the skin by a mosquito, develop into merozoites, the form that infects erythrocytes.

Not Open Access | Monitoring Malaria Vector Control Interventions: Effectiveness of Five Different Adult Mosquito Sampling Methods

September 13, 2013 - 18:23 -- NOT Open Access
Tags: 
Author(s): 
Shirley A. Onyango , Uriel Kitron , Peter Mungai , Eric M. Muchiri , Elizabeth Kokwaro , Charles H. King , and Francis M. Mutuku
Reference: 
Journal of Medical Entomology 50(5):1140-1151. 2013
MalariaWorld

The objective of our study was to identify the most efficient mosquito sampling tool(s) for routine vector surveillance for malaria and lymphatic filariasis transmission in coastal Kenya.

Medical Condition: 

Geographic population structure of the African malaria vector Anopheles gambiae suggests a role for the forest-savannah biome transition as a barrier to gene flow

August 29, 2013 - 15:28 -- Open Access
Author(s): 
Pinto J, Egyir-Yawson A, della Torre A, et al.
Reference: 
Evolutionary Applications, Volume 6, Issue 6, pages 910–924, September 2013
MalariaWorld

These clusters are coincident with the central African rainforest belt and northern and southern savannah biomes, which suggests restrictions to gene flow associated with the transition between these biomes. By contrast, geographically patterned population substructure appears much weaker within the S-form.

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