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anopheles

Evaluating synthetic odours and trap designs for monitoring Anopheles farauti in Queensland, Australia

September 10, 2019 - 15:18 -- Open Access
Author(s): 
Bram van de Straat, Alexandra Hiscox, Willem Takken and Thomas R. Burkot
Reference: 
Malaria Journal 2019 18:299, 2 September 2019

Monitoring of malaria vectors is important for designing and maintaining effective control interventions as changes in vector-feeding habits can threaten the efficacy of interventions. At present, human landing catches remain the most common method for monitoring malaria vectors of the Anopheles punctulatus complex, including the Anopheles farauti group. The aims of this study were to evaluate the efficacy of different lures and fan-powered traps, including an odour blend that has been demonstrated to be attractive to African anophelines, in Queensland, Australia.

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Semi-field evaluation of the cumulative effects of a “Lethal House Lure” on malaria mosquito mortality

September 10, 2019 - 15:17 -- Open Access
Author(s): 
Antoine M. G. Barreaux, Welbeck A. Oumbouke, Innocent Zran Tia, N’guessan Brou, Alphonsine A. Koffi, Raphaël N’guessan and Matthew B. Thomas
Reference: 
Malaria Journal 2019 18:298, 30 August 2019

There is growing interest in the potential to modify houses to target mosquitoes with insecticides or repellents as they search for human hosts. One version of this ‘Lethal House Lure’ approach is the In2Care® EaveTube, which consists of a section of polyvinyl chloride (PVC) pipe fitted into a closed eave, with an insert comprising electrostatic netting treated with insecticide powder placed inside the tube. Preliminary evidence suggests that when combined with screening of doors and windows, there is a reduction in entry of mosquitoes and an increase in mortality. However, the rate of overnight mortality remains unclear. The current study used a field enclosure built around experimental huts to investigate the mortality of cohorts of mosquitoes over multiple nights.

Knowledge engagement in gene drive research for malaria control

April 30, 2019 - 15:29 -- Open Access
Author(s): 
Sarah Hartley, Delphine Thizy, Katie Ledingham, Mamadou Coulibaly, Abdoulaye Diabaté, Bakara Dicko, Samba Diop, Jonathan Kayondo, Annet Namukwaya, Barry Nourou, Léa Paré Toé
Reference: 
PLoS Negl Trop Dis 13(4): e0007233

Gene drive mosquitoes are a novel approach to vector control being developed to help tackle malaria. A gene drive increases the frequency of a desired gene and its phenotypic effect into a mosquito population through reproduction in relatively few generations [1]. Combining gene drive with the precision of gene editing, scientists are able to modify the Anopheles mosquito genome and push modifications through natural vector populations. 

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Medical Condition: 

Cell-traversal protein for ookinetes and sporozoites (CelTOS) formulated with potent TLR adjuvants induces high-affinity antibodies that inhibit Plasmodium falciparum infection in Anopheles stephensi

April 29, 2019 - 13:13 -- Open Access
Author(s): 
Sakineh Pirahmadi, Sedigheh Zakeri, Akram A. Mehrizi, Navid D. Djadid, Abbas-Ali Raz, Jafar J. Sani, Ronak Abbasi and Zahra Ghorbanzadeh
Reference: 
Malaria Journal 2019 18:146, 24 April 2019

Plasmodium falciparum parasite is the most deadly species of human malaria, and the development of an effective vaccine that prevents P. falciparum infection and transmission is a key target for malarial elimination and eradication programmes. P. falciparum cell-traversal protein for ookinetes and sporozoites (PfCelTOS) is an advanced vaccine candidate. A comparative study was performed to characterize the immune responses in BALB/c mouse immunized with Escherichia coli-expressed recombinant PfCelTOS (rPfCelTOS) in toll-like receptor (TLR)-based adjuvants, CpG and Poly I:C alone or in combination (CpG + Poly I:C), followed by the assessment of transmission-reducing activity (TRA) of anti-rPfCelTOS antibodies obtained from different vaccine groups in Anopheles stephensi.

Medical Condition: 

Not Open Access | Plasmodium: Yet More Don’ts

February 9, 2019 - 18:51 -- NOT Open Access
Author(s): 
Miles B. Markus
Reference: 
Trends in Parasitology, Letter| Volume 35, Issue 2, P101-102, February 01, 2019

Anopheline’ is both an adjective (‘anopheline mosquito’) and a noun. Don’t use an upper case ‘A’, except at the beginning of a sentence; and do not italicize the word as if it is a Latinized genus name.

Change in Anopheles richness and composition in response to artificial flooding during the creation of the Jirau hydroelectric dam in Porto Velho, Brazil

February 23, 2017 - 16:24 -- Open Access
Author(s): 
Moreno S. Rodrigures, Elis P. Batista, Alexandre A. Silva, Fábio M. Costa, Verissimo A. S. Neto and Luiz Herman S. Gil
Reference: 
Malaria Journal 2017 16:87, 22 February 2017

The continual monitoring of these vectors during the late operational phase may be useful in order to understand how anophelines will behave in this area.

Draft Genomes of Anopheles cracens and Anopheles maculatus: Comparison of Simian Malaria and Human Malaria Vectors in Peninsular Malaysia

July 19, 2016 - 15:15 -- Open Access
Author(s): 
Yee-Ling Lau, Wenn-Chyau Lee, Junhui Chen, Zhen Zhong, Jianbo Jian, Amirah Amir, Fei-Wen Cheong, Jia-Siang Sum, Mun-Yik Fong
Reference: 
PLoS ONE 11(6): e0157893

Anopheles cracens has been incriminated as the vector of human knowlesi malaria in peninsular Malaysia.

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Pilot longitudinal mosquito surveillance study in the Danube Delta Biosphere Reserve and the first reports of Anopheles algeriensis Theobald, 1903 and Aedes hungaricus Mihályi, 1955 for Romania

April 26, 2016 - 16:10 -- Open Access
Author(s): 
Török E, Tomazatos A, Lühken R, et al.
Reference: 
Parasites & Vectors 2016, 9 :196 (11 April 2016)

We initiated a longitudinal mosquito surveillance study with carbon dioxide-baited Heavy Duty Encephalitis Vector Survey traps at four sampling sites to analyse the spatio-temporal pattern of the (i) mosquito species composition and diversity, (ii) functional groups of mosquitoes (oviposition sites, overwintering stage, and number of generations), and (iii) the occurrence of potential West Nile virus (WNV) vectors.

Behaviour and molecular identification of Anopheles malaria vectors in Jayapura district, Papua province, Indonesia

April 8, 2016 - 17:07 -- Open Access
Author(s): 
Brandy St. Laurent, Sukowati Supratman, Neil F. Lobo, et al.
Reference: 
Malaria Journal 2016 15:192, 8 April 2016

The vector composition in Papua, Indonesia is consistent with certain northern areas of PNG, but the behaviours of anophelines sampled in this region, such as early and indoor human biting of An. farauti 4, may enable them to act as major vectors of malaria.

Malaria incidence and entomological findings in an area targeted for a cluster-randomized controlled trial to prevent malaria in Ethiopia: results from a pilot study

March 10, 2016 - 17:19 -- Open Access
Author(s): 
Taye Gari, Oljira Kenea, Bernt Lindtjørn, et al.
Reference: 
Malaria Journal 2016 15:145, 8 March 2016

This study showed a high variation in malaria incidence and Anopheles between kebeles.

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