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Anopheles

Open Access | Malaria transmission and vector behaviour in a forested malaria focus in central Vietnam and the implications for vector control

December 29, 2010 - 11:41 -- Kabogo Ndegwa
Author(s): 
Van Bortel W, Trung H, Hoi L, Ham N, Chut N, Luu N, Roelants P, Denis L, Speybroeck N, D'Alessandro U, Coosemans M
Reference: 
Malaria Journal 2010, 9:373 (23 December 2010)

The vector behaviour and spatio-temporal patterns of malaria transmission in Southeast Asia impose new challenges when changing objectives from control to elimination of malaria and make it necessary to focus not only on the known main vector species.

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Mitochondrial DNA variation in the malaria vector Anopheles minimus across China, Thailand and Vietnam: evolutionary hypothesis, population structure and population history

December 16, 2010 - 08:57 -- Patrick Sampao
Author(s): 
B Chen, P M Pedro, R E Harbach, P Somboon, C Walton and R K Butlin
Reference: 
Heredity , (2 June 2010)

We compare alternative hypotheses concerning the origin of this pattern. The observed data deviate from the expectations based on a single-panmictic population with or without growth, or a stable but spatially structured population.

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Open Access | The dominant Anopheles vectors of human malaria in Africa, Europe and the Middle East: occurrence data, distribution maps and bionomic precis

December 6, 2010 - 13:07 -- Patrick Sampao
Author(s): 
Sinka ME., Bangs MJ., Hay SI., et al.
Reference: 
Parasites & Vectors 2010, 3:117 (3 December 2010)

This is the second in a series of three articles documenting the geographical distribution of 41 dominant vector species (DVS) of human malaria.

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Brief Report: Pyrethroid Susceptibility in Natural Populations of the Anopheles punctulatus Group (Diptera: Culicidae) in Papua New Guinea

December 3, 2010 - 08:06 -- Patrick Sampao
Author(s): 
John B. Keven, Cara N. Henry-Halldin, Edward K. Thomsen, Ivo Mueller, Peter M. Siba, Peter A. Zimmerman, AND Lisa J. Reimer
Reference: 
Am J Trop Med Hyg, Dec 2010; 83: 1259 - 1261.

The study used World Health Organization standard susceptibility bioassays to detect knockdown phenotypes and a novel nested polymerase chain reaction to detect the knockdown resistant (kdr) allele in these vectors.

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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 | Lineage divergence detected in the malaria vector Anopheles marajoara (Diptera: Culicidae) in Amazonian Brazil

October 8, 2010 - 11:28 -- Patrick Sampao
Author(s): 
McKeon SN, Lehr MA, Wilkerson RC, Ruiz JF, Sallum MA, Lima JB, Povoa MM, Conn JE
Reference: 
Malaria Journal 2010, 9:271 (7 October 2010)

To test the paraphyletic hypothesis and examine the utility of the Folmer region, genealogical trees based on a concatenated (white + 3' COI sequences) dataset and pairwise differentiation of COI fragments were examined.

First attempt to validate the gSG6-P1 salivary peptide as an immuno-epidemiological tool for evaluating human exposure to Anopheles funestus bites

September 16, 2010 - 08:06 -- Kabogo Ndegwa
Author(s): 
Anne Poinsignon, Badara Samb, Franck Remoue, et al
Reference: 
Tropical Medicine & International Health, Volume 15, Issue10, Pages 1198 – 1203, October 2010

The results suggest that the evaluation of the IgG response specific to gSG6-P1 in children could also represent a biomarker of exposure to An. funestus bites. The availability of such a biomarker evaluating the exposure to both main Plasmodium falciparum vectors in Africa could be particularly relevant as a direct criterion for the evaluation of the efficacy of vector control strategies.

Genetic Structure of Anopheles (Nyssorhynchus) marajoara (Diptera: Culicidae) in Colombia

September 3, 2010 - 08:01 -- Patrick Sampao
Author(s): 
Helena Brochero, Cong Li, Richard Wilkerson, Jan E. Conn, AND Manuel Ruiz-García
Reference: 
Am. J. Trop. Med. Hyg., 83(3), 2010, pp. 585-595

The assignment analyses showed two incompletely isolated gene pools separated by the Eastern Andean cordillera. However, other possible geographical barriers (rivers and other mountains) did not play any role in the moderate genetic heterogeneity found among these populations (FST = 0.069).

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Open Access | Cuticle thickening associated with pyrethroid resistance in the major malaria vector Anopheles funestus

August 6, 2010 - 14:45 -- Patrick Sampao
Author(s): 
Wood or, Hanrahan S, Coetzee M, Koekemoer LL, Brooke BD
Reference: 
Parasites & Vectors 2010, 3:67 (4 August 2010)

Measures of mean cuticle thickness in laboratory samples of female An. funestus were obtained using scanning electron microscopy (SEM). These females were drawn from a laboratory colony carrying the pyrethroid resistance phenotype at a stable rate, but not fixed.

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Open Access | Genome mapping and characterization of the Anopheles gambiae heterochromatin

August 6, 2010 - 14:29 -- Patrick Sampao
Author(s): 
Sharakhova M, George P, Brusentsova , Leman SC, Bailey JA, Smith CD, Sharakhov
Reference: 
BMC Genomics 2010, 11:459 (4 August 2010)

Our results demonstrate that Anopheles polytene chromosomes and whole-genome shotgun assembly render the mapping and characterization of a significant part of heterochromatic scaffolds a possibility.

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