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Nsa Dada
American Society for Microbiology
Aedes aegyptiMalariaAnopheles albimanusDengue feverBiology
11Publications
5H-index
99Citations
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Publications 13
Newest
#1Nsa Dada (NMBU: Norwegian University of Life Sciences)H-Index: 5
#2Ana Cristina Benedict (Universidad del Valle de Guatemala)
Last. Audrey LenhartH-Index: 20
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Research on mosquito-microbe interactions may lead to new tools for mosquito and mosquito-borne disease control. To date, such research has largely utilized laboratory-reared mosquitoes that may lack the microbial diversity of wild populations. To better understand how mosquito microbiota may vary across different geographic locations and upon laboratory colonization, we characterized the microbiota of F1 progeny of wild-caught adult Anopheles albimanus from four locations in Guatemala using hig...
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#1Eric OchomoH-Index: 12
#2Luc DjogbenouH-Index: 3
Last. Nicola MulderH-Index: 35
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#1Nsa Dada (American Society for Microbiology)H-Index: 5
#2Juan C. Lol (Universidad del Valle de Guatemala)H-Index: 1
Last. Audrey Lenhart (CDC: Centers for Disease Control and Prevention)H-Index: 20
view all 8 authors...
A deeper understanding of the mechanisms underlying insecticide resistance is needed to mitigate its threat to malaria vector control. Following previously identified associations between mosquito microbiota and insecticide resistance, we demonstrate for the first time, the effects of pyrethroid exposure on the microbiota of F1 progeny of field-collected Anopheles albimanus. Larval and adult mosquitoes were exposed to the pyrethroids alphacypermethrin (only adults), permethrin, and deltamethrin....
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#4Razak SeiduH-Index: 9
Last. Hans J. OvergaardH-Index: 17
view all 5 authors...
Objective: This study aimed to determine the incidences of dengue-like illness (DLI), dengue virus (DENV) infection, and serotypes and to identify socio-demographical and entomological risk factors of DLI in selected suburban and rural communities in the Lao People's Democratic Republic and in Thailand. Methods: A two-year longitudinal study was conducted in four villages during the inter-epidemic period between 2011 and 2013. Entomological surveys, semi-structured interviews of household heads ...
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#1Nsa Dada (CDC: Centers for Disease Control and Prevention)H-Index: 5
#2Juan C. Lol (Universidad del Valle de Guatemala)H-Index: 1
Last. Audrey Lenhart (CDC: Centers for Disease Control and Prevention)H-Index: 20
view all 8 authors...
A deeper understanding of the mechanisms underlying insecticide resistance is needed to mitigate its threat to malaria vector control. Building upon our earlier identified associations between mosquito microbiota and insecticide resistance, we demonstrate for the first time, type-specific effects of pyrethroid exposure on internal and cuticle surface bacteria in adult progeny of field-collected Anopheles albimanus. In contrast, larval cuticle surface--but not internal--bacteria were affected by ...
1 CitationsSource
#1Nanthasane Vannavong (NMBU: Norwegian University of Life Sciences)H-Index: 2
#2Hans J. Overgaard (NMBU: Norwegian University of Life Sciences)H-Index: 17
Last. Razak Seidu (NTNU: Norwegian University of Science and Technology)H-Index: 9
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Drinking water (DW) can serve as a route for disease transmission if not properly managed. The study assessed the effect of different factors on Escherichia coli quantities in DW in household water storage containers in suburban and rural villages in Laos and Thailand. Higher E. coli concentrations in DW were found in Laos compared to Thailand, especially in households without toilets (in Laos) and in rural rather than in suburban villages. In suburban Laos, house material, storage container typ...
1 CitationsSource
#1Nsa Dada (American Society for Microbiology)H-Index: 5
#2Mili Sheth (CDC: Centers for Disease Control and Prevention)H-Index: 8
Last. Audrey Lenhart (CDC: Centers for Disease Control and Prevention)H-Index: 20
view all 5 authors...
In light of the declining global malaria burden attained largely due to insecticides, a deeper understanding of the factors driving insecticide resistance is needed to mitigate its growing threat to malaria vector control programs. Following evidence of microbiota-mediated insecticide resistance in agricultural pests, we undertook a comparative study of the microbiota in mosquitoes of differing insecticide resistance status. The microbiota of wild-caught Anopheles albimanus, an important Latin A...
17 CitationsSource
#1Nanthasane Vannavong (NMBU: Norwegian University of Life Sciences)H-Index: 2
#2Razak Seidu (NTNU: Norwegian University of Science and Technology)H-Index: 9
Last. Hans J. Overgaard (NMBU: Norwegian University of Life Sciences)H-Index: 17
view all 5 authors...
Background Dengue fever is a mosquito-borne disease accounting for 50–100 million annual cases globally. Laos and Thailand are countries in south-east Asia where the disease is endemic in both urban and rural areas. Household water storage containers, which are favourable breeding sites for dengue mosquitoes, are common in these areas, due to intermittent or limited access to water supply. This study assessed the effect of household water management and socio-demographic risk factors on Aedes ae...
4 CitationsSource
#1Nsa Dada (NMBU: Norwegian University of Life Sciences)H-Index: 5
#2Estelle Jumas-Bilak (University of Montpellier)H-Index: 23
Last. Hans J. Overgaard (NMBU: Norwegian University of Life Sciences)H-Index: 17
view all 6 authors...
Background: Domestic water storage containers constitute major Aedes aegypti breeding sites. We present for the first time a comparative analysis of the bacterial communities associated with Ae. aegypti larvae and water from domestic water containers. Methods: The 16S rRNA-temporal temperature gradient gel electrophoresis (TTGE) was used to identify and compare bacterial communities in fourth-instar Ae. aegypti larvae and water from larvae positive and negative domestic containers in a rural vil...
23 CitationsSource
#1Nsa Dada (NMBU: Norwegian University of Life Sciences)H-Index: 5
#2Nanthasane Vannavong (NMBU: Norwegian University of Life Sciences)H-Index: 2
Last. Hans J. Overgaard (NMBU: Norwegian University of Life Sciences)H-Index: 17
view all 7 authors...
In a cross-sectional survey in one rural and one suburban village each in Thailand and Laos the relationship between Aedes aegypti production and Escherichia coli contamination in household water storage containers was investigated. Entomological and microbiological surveys were conducted in 250 and 239 houses in Thailand and Laos, respectively. Entomological indices across all four villages were high, indicating a high risk for dengue transmission. Significantly more Ae. aegypti pupae were prod...
16 CitationsSource
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