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anopheles arabiensis

The effect of multiple blood-feeding on the longevity and insecticide resistant phenotype in the major malaria vector Anopheles arabiensis (Diptera: Culicidae)

September 19, 2014 - 14:11 -- Open Access
Author(s): 
Oliver SV, Brooke BD
Reference: 
Parasites & Vectors 2014, 7 :390 (23 August 2014)

These data suggest that multiple blood-feeding confers a competitive advantage to insecticide resistant females by increased longevity and maintenance of the expression of resistance with age.

The effects of genetic manipulation, dieldrin treatment and irradiation on the mating competitiveness of male Anopheles arabiensis in field cages

August 20, 2014 - 06:56 -- Open Access
Author(s): 
Yamada H, Vreysen MJ, Gilles JR, Munhenga G, Damiens DD
Reference: 
Malaria Journal 2014, 13 :318 (13 August 2014)

An irradiation dose of 75 Gy reduced the competitiveness of male ANO IPCL1 significantly and will need to be compensated by releasing higher numbers of sterile males in the field.

Genetic basis of pyrethroid resistance in a population of Anopheles arabiensis, the primary malaria vector in Lower Moshi, north-eastern Tanzania

July 1, 2014 - 18:05 -- Open Access
Author(s): 
Matowo J, Jones CM, Kabula B, Ranson H, Steen K, Mosha F, Rowland M, Weetman D
Reference: 
Parasites & Vectors 2014, 7 :274 (19 June 2014)

Our study provides replication of CYP4G16 as a candidate gene for pyrethroid resistance in An. arabiensis, although its role may not be in detoxification, and requires further investigation.

Ecological niche and potential distribution of Anopheles arabiensis in Africa in 2050

June 10, 2014 - 15:33 -- Open Access
Author(s): 
Drake JM, Beier JC
Reference: 
Malaria Journal 2014, 13 :213 (3 June 2014)

In summary, these results suggest that the future potential distribution of An. arabiensis in Africa is likely to be smaller than the contemporary distribution by approximately half as a result of climate change.

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Use of a semi-field system to evaluate the efficacy of topical repellents under user conditions provides a disease exposure free technique comparable with field data

May 6, 2014 - 08:26 -- Open Access
Author(s): 
Sangoro O, Lweitojera D, Simfukwe E, Ngonyani H, Mbeyela E, Lugiko D, Kihonda J, Maia M, Moore S
Reference: 
Malaria Journal 2014, 13 :159 (26 April 2014)

Semi-field evaluation results were comparable to full-field evaluations, indicating that such systems could be satisfactorily used in measuring efficacy of topically applied mosquito repellents, thereby avoiding risks of exposure to mosquito-borne pathogens, associated with field testing.

Diversity, Differentiation, and Linkage Disequilibrium: Prospects for Association Mapping in the Malaria Vector Anopheles arabiensis

January 17, 2014 - 18:12 -- Open Access
Author(s): 
Clare Diana Marsden, Yoosook Lee, Katharina Kreppel, Allison Weakley, Anthony Cornel, Heather M. Ferguson, Eleazar Eskin and Gregory C. Lanzaro
Reference: 
G3 Genes Genomes Genetics January 1, 2014 vol. 4 no. 1 121-131

Here we conducted whole-genome sequencing on 24 specimens of the malaria mosquito vector, Anopheles arabiensis, to further understanding of patterns of genetic diversity, population subdivision and linkage disequilibrium in this species.

The dynamics of pyrethroid resistance in Anopheles arabiensis from Zanzibar and an assessment of the underlying genetic basis

December 11, 2013 - 16:00 -- Open Access
Author(s): 
Jones CM, Haji KA, Khatib BO, Bagi J, Mcha J, Devine GJ, Daley M, Kabula B, Ali AS, Majambere S, Ranson H
Reference: 
Parasites & Vectors 2013, 6 :343 (6 December 2013)

Background

The emergence of pyrethroid resistance in the malaria vector, Anopheles arabiensis, threatens to undermine the considerable gains made towards eliminating malaria on Zanzibar. Previously, resistance was restricted to the island of Pemba while mosquitoes from Unguja, the larger of the two islands of Zanzibar, were susceptible. Here, we characterised the mechanism(s) responsible for resistance on Zanzibar using a combination of gene expression and target-site mutation assays.

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The dynamics of pyrethroid resistance in Anopheles arabiensis from Zanzibar and an assessment of the underlying genetic basis

December 10, 2013 - 16:44 -- Open Access
Author(s): 
Jones CM, Haji KA, Khatib BO, Bagi J, Mcha J, Devine GJ, Daley M, Kabula B, Ali AS, Majambere S, Ranson H
Reference: 
Parasites & Vectors 2013, 6 : 343 (6 December 2013)

Background

The emergence of pyrethroid resistance in the malaria vector, Anopheles arabiensis, threatens to undermine the considerable gains made towards eliminating malaria on Zanzibar. Previously, resistance was restricted to the island of Pemba while mosquitoes from Unguja, the larger of the two islands of Zanzibar, were susceptible. Here, we characterised the mechanism(s) responsible for resistance on Zanzibar using a combination of gene expression and target-site mutation assays.

Methods

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Impact of housing condition on indoor-biting and indoor-resting Anopheles arabiensis density in a highland area, central Ethiopia

November 13, 2013 - 08:43 -- Open Access
Author(s): 
Animut A, Balkew M, Lindtjørn B
Reference: 
Malaria Journal 2013, 12 :393 (5 November 2013
MalariaWorld

Housing conditions such as presence of open eaves, absence of window, location at low and mid altitudes, were strong predictors of indoor exposure to An. arabiensis bite in a highland area of south-central Ethiopia.

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The influence of physiological status on age prediction of Anopheles arabiensis using near infra-red spectroscopy

October 17, 2013 - 16:50 -- Open Access
Author(s): 
Ntamatungiro AJ, Mayagaya VS, Rieben S, Moore SJ, Dowell FE, Maia MF
Reference: 
Parasites & Vectors 2013, 6 :298 (14 October 2013)
MalariaWorld

We observed a slight trend within some physiological stages that suggest older insects tend to be predicted as being physiologically more mature.

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