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Infectious Disease: Malaria
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Total 105 results found since Jan 2013.
Application of hydrolysis probe analysis to identify clade types of the malaria vector mosquito Anopheles funestus sensu stricto from Muheza, northeastern Tanzania
Medical and Veterinary Entomology,Volume 32, Issue 1, Page 125-128, March 2018.
Source: Medical and Veterinary Entomology - October 25, 2017 Category: Veterinary Research Source Type: research
Discrimination of Neotropical Anopheles species based on molecular and wing geometric morphometric traits.
Abstract
Morphological similarities among closely related Anopheles species that differ in biological traits and malaria transmission represent a challenge in medical entomology; therefore, new tools are constantly tested to bring solutions. Particularly, in this work, a geometric morphometric analysis of wing geometry variation, based on morphologically and molecularly identified specimens, was applied for the discrimination of fourteen Anopheles species belonging to the Nyssorhynchus, Anopheles and Kerteszia subgenera. DNA barcodes helped to confirm species assignation and the geometric morphometric approach rev...
Source: Infection, Genetics and Evolution - July 31, 2017 Category: Genetics & Stem Cells Authors: Gómez GF, Correa MM Tags: Infect Genet Evol Source Type: research
Current vector control challenges in the fight against malaria.
Abstract
The effective and eco-friendly control of Anopheles vectors plays a key role in any malaria management program. Integrated Vector Management (IVM) suggests making use of the full range of vector control tools available. The strategies for IVM require novel technologies to control outdoor transmission of malaria. Despite the wide number of promising control tools tested against mosquitoes, current strategies for malaria vector control used in most African countries are not sufficient to achieve successful malaria control. The majority of National Malaria Control Programs in Africa still rely on indoor resi...
Source: Acta Tropica - July 3, 2017 Category: Infectious Diseases Authors: Benelli G, Beier JC Tags: Acta Trop Source Type: research
Variation in host preferences of malaria mosquitoes is mediated by skin bacterial volatiles
In this study, the responses of two malaria mosquito species in the An. gambiae complex, Anopheles gambiae s.s. (hereafter, An. gambiae) and Anopheles arabiensis, with different host preferences, to volatiles released from skin bacteria were tested. Skin bacteria collected from human, cow and chicken skin significantly increased trap catches; traps containing bacteria collected from human skin caught the highest proportions of An. gambiae and An. arabiensis. Traps with bacteria of human origin caught a significantly higher proportion of An. gambiae than of An. arabiensis, whereas bacterial volatiles from the chicken attrac...
Source: Medical and Veterinary Entomology - June 22, 2017 Category: Veterinary Research Authors: A. O. BUSULA, W. TAKKEN, J. G. BOER, W. R. MUKABANA, N. O. VERHULST Tags: Original Article Source Type: research
Nigeria: Mosquitoes Are Our Friends, Stop Killing Them - Don
[Guardian] A Professor of Entomology at the University of Ilorin, Adeolu Ande, has decried killing mosquitoes, saying the insects are friends to humans that deserved to be properly managed.
Source: AllAfrica News: Malaria - June 6, 2017 Category: Infectious Diseases Source Type: news
Variation in host preferences of malaria mosquitoes is mediated by skin bacterial volatiles
In this study, the responses of two malaria mosquito species in the An. gambiae complex, Anopheles gambiae s.s. (hereafter, An. gambiae) and Anopheles arabiensis, with different host preferences, to volatiles released from skin bacteria were tested. Skin bacteria collected from human, cow and chicken skin significantly increased trap catches; traps containing bacteria collected from human skin caught the highest proportions of An. gambiae and An. arabiensis. Traps with bacteria of human origin caught a significantly higher proportion of An. gambiae than of An. arabiensis, whereas bacterial volatiles from the c...
Source: Medical and Veterinary Entomology - June 1, 2017 Category: Veterinary Research Authors: A. O. BUSULA, W. TAKKEN, J. G. BOER, W. R. MUKABANA, N. O. VERHULST Tags: Original Article Source Type: research
The malaria testing and treatment landscape in the southern Lao People ’s Democratic Republic (PDR)
In the context of national and regional goals to eliminate malaria by 2030, the Center for Malaria Parasitology and Entomology in the Lao PDR is implementing strategies to ensure all malaria cases are detected...
Source: Malaria Journal - April 25, 2017 Category: Infectious Diseases Authors: Saysana Phanalasy Source Type: research
In vitro studies of larvicidal effects of some plant extracts against Anopheles gambiae larvae (Diptera: Culicidae)
Larvicidal effects of plant extracts against larvae of Anopheles gambiae were studied in the malaria entomology laboratory at Mendefera. The aim of the study was to evaluate ethanol and hot water extracts from leaves of seven different plants, viz., Azadirachta indica, Eucalyptus globulus, Tagetes minuta, Datura stramonium, Lantana camara, Ricinus communis and Jatropha curcas, as natural lar...
Source: Journal of Medicinal Plants Research - January 24, 2017 Category: Complementary Medicine Source Type: research
Comparison of Adult Mosquito Black-Light and Light-Emitting Diode Traps at Three Cowsheds Located in Malaria-Endemic Areas of the Republic of Korea
Adult mosquito surveillance and field trials evaluated selected commercially available ultraviolet black-light (BL) and light-emitting diode (LED) traps at three sites where vivax malaria is endemic from May to October 2015 in northwestern Republic of Korea. Collections totaled 283,929 adult mosquitoes (280,355 [98.74%] females and 3,574 [1.26%] males) comprising 17 species (including six members of the Anopheles Hyrcanus Group) belonging to six genera. The four most predominant female species collected were Aedes vexans nipponii (Theobald) (83.84%), followed by Anopheles Hyrcanus Group (13.66%), Culex pipiens Group (1.67%...
Source: Journal of Medical Entomology - January 11, 2017 Category: Biology Authors: Kim, H.-C., Kim, M.-S., Choi, K.-S., Hwang, D.-U., Johnson, J. L., Klein, T. A. Tags: Vector-Borne Diseases, Surveillance, Prevention Source Type: research
Confirmation of Anopheles peditaeniatus and Anopheles sundaicus as Malaria Vectors (Diptera: Culicidae) in Sungai Nyamuk Village, Sebatik Island North Kalimantan, Indonesia Using an Enzyme-Linked Immunosorbent Assay
This study tested Anopheles collected in Sungai Nyamuk Village for the presence of both Plasmodium falciparum and Plasmodium vivax CSP. The Anopheles spp. were collected by human landing collection indoors and outdoors and by indoor and outdoor resting catches in Sungai Nyamuk Village, Nunukan District, North Kalimantan Province from August 2010 to January 2012. Overall, 5,100 Anopheles spp. comprising 11 species were collected and 2,259 adult parous females were tested by ELISA. Of these, only one Anopheles peditaeniatus Leicester (3.8%, n = 26) and one Anopheles sundaicus sensu lato (0.6%, n = 157) that originated from o...
Source: Journal of Medical Entomology - November 11, 2016 Category: Biology Authors: Sugiarto, , Kesumawati Hadi, U., Soviana, S., Hakim, L. Tags: Vector/Pathogen/Host Interaction, Transmission Source Type: research
Vector Competence of Anopheles kleini and Anopheles sinensis (Diptera: Culicidae) From the Republic of Korea to Vivax Malaria-Infected Blood From Patients From Thailand
In total, 1,300 each of Anopheles kleini Rueda and Anopheles sinensis Wiedemann sensu stricto (s.s.) females (colonized from the Republic of Korea) and Anopheles dirus Peyton & Harrison (Thai strain) were allowed to feed on blood from Thai malaria patients naturally infected with Plasmodium vivax. The overall oocyst infection rates for An. dirus, An. kleini, and An. sinensis s.s. were 77.4, 46.1, and 45.9%, respectively. The mean number of oocysts was significantly higher for An. dirus (82.7) compared with An. kleini (6.1) and An. sinensis s.s. (8.6), whereas the mean number of oocysts for An. kleini and An. sinensis s...
Source: Journal of Medical Entomology - November 11, 2016 Category: Biology Authors: Ubalee, R., Kim, H.-C., Schuster, A. L., McCardle, P. W., Phasomkusolsil, S., Takhampunya, R., Davidson, S. A., Lee, W.-J., Klein, T. A. Tags: Vector/Pathogen/Host Interaction, Transmission Source Type: research
Detection of Plasmodium falciparum Infection in Anopheles squamosus (Diptera: Culicidae) in an Area Targeted for Malaria Elimination, Southern Zambia
Southern Zambia is the focus of strategies to create malaria-free zones. Interventions being rolled out include test and treat strategies and distribution of insecticide-treated bed nets that target vectors that host-seek indoors and late at night. In Macha, Choma District, collections of mosquitoes were made outdoors using barrier screens within homesteads or UV bulb light traps set next to goats, cattle, or chickens during the rainy season of 2015. Anopheline mosquitoes were identified to species using molecular methods and Plasmodium falciparum infectivity was determined by ELISA and real-time qPCR methods. More than 40...
Source: Journal of Medical Entomology - November 11, 2016 Category: Biology Authors: Stevenson, J. C., Simubali, L., Mbambara, S., Musonda, M., Mweetwa, S., Mudenda, T., Pringle, J. C., Jones, C. M., Norris, D. E. Tags: Short Communication Source Type: research
Measures of Malaria Burden after Long-Lasting Insecticidal Net Distribution and Indoor Residual Spraying at Three Sites in Uganda: A Prospective Observational Study
by Agaba Katureebe, Kate Zinszer, Emmanuel Arinaitwe, John Rek, Elijah Kakande, Katia Charland, Ruth Kigozi, Maxwell Kilama, Joaniter Nankabirwa, Adoke Yeka, Henry Mawejje, Arthur Mpimbaza, Henry Katamba, Martin J. Donnelly, Philip J. Rosenthal, Chris Drakeley, Steve W. Lindsay, Sarah G. Staedke, David L. Smith, Bryan Greenhouse, Moses R. Kamya, Grant Dorsey
BackgroundLong-lasting insecticidal nets (LLINs) and indoor residual spraying of insecticide (IRS) are the primary vector control interventions used to prevent malaria in Africa. Although both interventions are effective in some settings, high-quality evidence is rarel...
Source: PLoS Medicine - November 7, 2016 Category: Internal Medicine Authors: Agaba Katureebe Source Type: research
Electrophysiological Responses of Gustatory Receptor Neurons on the Labella of the Common Malaria Mosquito, Anopheles quadrimaculatus (Diptera: Culicidae)
We recorded electrical responses from sensory cells associated with gustatory sensilla on the labella of female Anopheles quadrimaculatus Say to salt, sucrose, quinine (a feeding deterrent), and the insect repellent, N,N-diethyl-3-methylbenzamide (DEET). A salt-sensitive cell responded to increasing concentrations of sodium chloride. A second cell was activated by increasing sucrose concentrations, while quinine, DEET, or a mixture of quinine + DEET elicited spike activity from a third cell, an apparent bitter- or deterrent-sensitive cell. Both quinine and DEET suppressed activity of the sugar-sensitive cell; sucrose suppr...
Source: Journal of Medical Entomology - September 2, 2016 Category: Biology Authors: Sparks, J. T., Dickens, J. C. Tags: Neurobiology, Physiology, Biochemistry Source Type: research
