Dataset Information

Stable establishment of wMel Wolbachia in Aedes aegypti populations in Yogyakarta, Indonesia.

ABSTRACT: The successful establishment of the wMel strain of Wolbachia for the control of arbovirus transmission by Aedes aegypti has been proposed and is being implemented in a number of countries. Here we describe the successful establishment of the wMel strain of Wolbachia in four sites in Yogyakarta, Indonesia. We demonstrate that Wolbachia can be successfully introgressed after transient releases of wMel-infected eggs or adult mosquitoes. We demonstrate that the approach is acceptable to communities and that Wolbachia maintains itself in the mosquito population once deployed. Finally, our data show that spreading rates of Wolbachia in the Indonesian setting are slow which may reflect more limited dispersal of Aedes aegypti than seen in other sites such as Cairns, Australia.

SUBMITTER: Tantowijoyo W

PROVIDER: S-EPMC7190183 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Stable establishment of wMel Wolbachia in Aedes aegypti populations in Yogyakarta, Indonesia.

Tantowijoyo Warsito W Andari Bekti B Arguni Eggi E Budiwati Nida N Nurhayati Indah I Fitriana Iva I Ernesia Inggrid I Daniwijaya Edwin W EW Supriyati Endah E Yusdiana Dedik H DH Victorius Munasdi M Wardana Dwi S DS Ardiansyah Hilmi H Ahmad Riris Andono RA Ryan Peter A PA Simmons Cameron P CP Hoffmann Ary A AA Rancès Edwige E Turley Andrew P AP Johnson Petrina P Utarini Adi A O'Neill Scott L SL

PLoS neglected tropical diseases 20200417 4

The successful establishment of the wMel strain of Wolbachia for the control of arbovirus transmission by Aedes aegypti has been proposed and is being implemented in a number of countries. Here we describe the successful establishment of the wMel strain of Wolbachia in four sites in Yogyakarta, Indonesia. We demonstrate that Wolbachia can be successfully introgressed after transient releases of wMel-infected eggs or adult mosquitoes. We demonstrate that the approach is acceptable to communities ...[more]

PMID: 32302295

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Project description:Dengue fever, the most prevalent global arboviral disease, represents an important public health problem in Indonesia. Control of dengue relies on the control of its main vector, the mosquito Aedes aegypti, yet nothing is known about the population history and genetic structure of this insect in Indonesia. Our aim was to assess the spatio-temporal population genetic structure of Ae. aegypti in Yogyakarta, a densely populated region on Java with common dengue outbreaks.We used multiple marker systems (microsatellites, nuclear and mitochondrial genome-wide single nucleotide polymorphisms generated via Restriction-site Associated DNA sequencing) to analyze 979 Ae. aegypti individuals collected from the Yogyakarta city and the surrounding hamlets during the wet season in 2011 and the following dry season in 2012. We employed individual- and group-based approaches for inferring genetic structure.We found that Ae. aegypti in Yogyakarta has spatially structured and seasonally stable populations. The spatial structuring was significant for the nuclear and mitochondrial markers, while the temporal structuring was non-significant. Nuclear markers identified three main genetic clusters, showing that hamlets have greater genetic isolation from each other and from the inner city sites. However, one hamlet experienced unrestricted mosquito interbreeding with the inner city, forming a single genetic cluster. Genetic distance was poorly correlated with the spatial distance among mosquito samples, suggesting stronger influence of human-assisted gene flow than active mosquito movement on spatial genetic structure. A star-shaped mitochondrial haplotype network and a significant R(2) test statistic (R(2)?=?0.0187, P?=?0.001) support the hypothesis that Ae. aegypti in Yogyakarta originated from a small or homogeneous source and has undergone a relatively recent demographic expansion.We report the first insights into the spatio-temporal genetic structure and the underlying processes in the dengue fever mosquito from Yogyakarta, Indonesia. Our results provide valuable information on the effectiveness of local control measures as well as guidelines for the implementation of novel biocontrol strategies such as release of Wolbachia-infected mosquitoes.

Dataset Information

Stable establishment of wMel Wolbachia in Aedes aegypti populations in Yogyakarta, Indonesia.

Publications

Stable establishment of wMel Wolbachia in Aedes aegypti populations in Yogyakarta, Indonesia.

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