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Laurence J Zwiebel - One of the best experts on this subject based on the ideXlab platform.
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Suboptimal Larval Habitats Modulate Oviposition of the Malaria Vector Mosquito Anopheles coluzzii.
PLOS ONE, 2016Co-Authors: Dong-hwan Choe, Ahmed M. Saveer, Laurence J ZwiebelAbstract:Selection of Oviposition Sites by gravid females is a critical behavioral step in the reproductive cycle of Anopheles coluzzii, which is one of the principal Afrotropical malaria vector mosquitoes. Several studies suggest this decision is mediated by semiochemicals associated with potential Oviposition Sites. To better understand the chemosensory basis of this behavior and identify compounds that can modulate Oviposition, we examined the generally held hypothesis that suboptimal larval habitats give rise to semiochemicals that negatively influence the Oviposition preference of gravid females. Dual-choice bioassays indicated that Oviposition Sites conditioned in this manner do indeed foster significant and concentration dependent aversive effects on the Oviposition site selection of gravid females. Headspace analyses derived from aversive habitats consistently noted the presence of dimethyl disulfide (DMDS), dimethyl trisulfide (DMTS) and 6-methyl-5-hepten-2-one (sulcatone) each of which unitarily affected An. coluzzii Oviposition preference. Electrophysiological assays across the antennae, maxillary palp, and labellum of gravid An. coluzzii revealed differential responses to these semiochemicals. Taken together, these findings validate the hypothesis in question and suggest that suboptimal environments for An. coluzzii larval development results in the release of DMDS, DMTS and sulcatone that impact the response valence of gravid females.
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Suboptimal larval habitats modulate Oviposition of the malaria vector mosquito Anopheles gambiae s.s.
bioRxiv, 2015Co-Authors: Dong-hwan Choe, Ahmed M. Saveer, Laurence J ZwiebelAbstract:Selection of Oviposition Sites by gravid females is a critical behavioural preference in the reproductive cycle of Anopheles gambiae, the principal Afrotropical malaria vector mosquito. Several studies suggest this decision is mediated by semiochemicals associated with potential Oviposition Sites. To better understand the chemosensory basis of this behaviour and identify compounds that can modulate Oviposition, we examined the generally held hypothesis that suboptimal larval habitats give rise to semiochemicals that negatively influence the Oviposition preference of gravid females. Dual-choice bioassays indicated that Oviposition Sites conditioned in this manner do indeed foster significant and concentration dependent aversive effects on the Oviposition site selection of gravid females. Headspace analyses derived from aversive habitats consistently noted the presence of dimethyl disulphide (DMDS), dimethyl trisulphide (DMTS) and 6-methyl-5-hepten-2-one (sulcatone) each of which unitarily affected An. gambiae Oviposition preference. Electrophysiological assays across the antennae, maxillary palp, and labellum of gravid An. gambiae revealed differential responses to these semiochemicals. Taken together, these findings validate the hypothesis in question and suggest that suboptimal environments for An. gambiae larval development results in the release of DMDS, DMTS and sulcatone that impact the response valence of gravid females to directly modulate the chemical ecology of Oviposition site selection.
Dong-hwan Choe - One of the best experts on this subject based on the ideXlab platform.
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Suboptimal Larval Habitats Modulate Oviposition of the Malaria Vector Mosquito Anopheles coluzzii.
PLOS ONE, 2016Co-Authors: Dong-hwan Choe, Ahmed M. Saveer, Laurence J ZwiebelAbstract:Selection of Oviposition Sites by gravid females is a critical behavioral step in the reproductive cycle of Anopheles coluzzii, which is one of the principal Afrotropical malaria vector mosquitoes. Several studies suggest this decision is mediated by semiochemicals associated with potential Oviposition Sites. To better understand the chemosensory basis of this behavior and identify compounds that can modulate Oviposition, we examined the generally held hypothesis that suboptimal larval habitats give rise to semiochemicals that negatively influence the Oviposition preference of gravid females. Dual-choice bioassays indicated that Oviposition Sites conditioned in this manner do indeed foster significant and concentration dependent aversive effects on the Oviposition site selection of gravid females. Headspace analyses derived from aversive habitats consistently noted the presence of dimethyl disulfide (DMDS), dimethyl trisulfide (DMTS) and 6-methyl-5-hepten-2-one (sulcatone) each of which unitarily affected An. coluzzii Oviposition preference. Electrophysiological assays across the antennae, maxillary palp, and labellum of gravid An. coluzzii revealed differential responses to these semiochemicals. Taken together, these findings validate the hypothesis in question and suggest that suboptimal environments for An. coluzzii larval development results in the release of DMDS, DMTS and sulcatone that impact the response valence of gravid females.
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Suboptimal larval habitats modulate Oviposition of the malaria vector mosquito Anopheles gambiae s.s.
bioRxiv, 2015Co-Authors: Dong-hwan Choe, Ahmed M. Saveer, Laurence J ZwiebelAbstract:Selection of Oviposition Sites by gravid females is a critical behavioural preference in the reproductive cycle of Anopheles gambiae, the principal Afrotropical malaria vector mosquito. Several studies suggest this decision is mediated by semiochemicals associated with potential Oviposition Sites. To better understand the chemosensory basis of this behaviour and identify compounds that can modulate Oviposition, we examined the generally held hypothesis that suboptimal larval habitats give rise to semiochemicals that negatively influence the Oviposition preference of gravid females. Dual-choice bioassays indicated that Oviposition Sites conditioned in this manner do indeed foster significant and concentration dependent aversive effects on the Oviposition site selection of gravid females. Headspace analyses derived from aversive habitats consistently noted the presence of dimethyl disulphide (DMDS), dimethyl trisulphide (DMTS) and 6-methyl-5-hepten-2-one (sulcatone) each of which unitarily affected An. gambiae Oviposition preference. Electrophysiological assays across the antennae, maxillary palp, and labellum of gravid An. gambiae revealed differential responses to these semiochemicals. Taken together, these findings validate the hypothesis in question and suggest that suboptimal environments for An. gambiae larval development results in the release of DMDS, DMTS and sulcatone that impact the response valence of gravid females to directly modulate the chemical ecology of Oviposition site selection.
Ahmed M. Saveer - One of the best experts on this subject based on the ideXlab platform.
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Suboptimal Larval Habitats Modulate Oviposition of the Malaria Vector Mosquito Anopheles coluzzii.
PLOS ONE, 2016Co-Authors: Dong-hwan Choe, Ahmed M. Saveer, Laurence J ZwiebelAbstract:Selection of Oviposition Sites by gravid females is a critical behavioral step in the reproductive cycle of Anopheles coluzzii, which is one of the principal Afrotropical malaria vector mosquitoes. Several studies suggest this decision is mediated by semiochemicals associated with potential Oviposition Sites. To better understand the chemosensory basis of this behavior and identify compounds that can modulate Oviposition, we examined the generally held hypothesis that suboptimal larval habitats give rise to semiochemicals that negatively influence the Oviposition preference of gravid females. Dual-choice bioassays indicated that Oviposition Sites conditioned in this manner do indeed foster significant and concentration dependent aversive effects on the Oviposition site selection of gravid females. Headspace analyses derived from aversive habitats consistently noted the presence of dimethyl disulfide (DMDS), dimethyl trisulfide (DMTS) and 6-methyl-5-hepten-2-one (sulcatone) each of which unitarily affected An. coluzzii Oviposition preference. Electrophysiological assays across the antennae, maxillary palp, and labellum of gravid An. coluzzii revealed differential responses to these semiochemicals. Taken together, these findings validate the hypothesis in question and suggest that suboptimal environments for An. coluzzii larval development results in the release of DMDS, DMTS and sulcatone that impact the response valence of gravid females.
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Suboptimal larval habitats modulate Oviposition of the malaria vector mosquito Anopheles gambiae s.s.
bioRxiv, 2015Co-Authors: Dong-hwan Choe, Ahmed M. Saveer, Laurence J ZwiebelAbstract:Selection of Oviposition Sites by gravid females is a critical behavioural preference in the reproductive cycle of Anopheles gambiae, the principal Afrotropical malaria vector mosquito. Several studies suggest this decision is mediated by semiochemicals associated with potential Oviposition Sites. To better understand the chemosensory basis of this behaviour and identify compounds that can modulate Oviposition, we examined the generally held hypothesis that suboptimal larval habitats give rise to semiochemicals that negatively influence the Oviposition preference of gravid females. Dual-choice bioassays indicated that Oviposition Sites conditioned in this manner do indeed foster significant and concentration dependent aversive effects on the Oviposition site selection of gravid females. Headspace analyses derived from aversive habitats consistently noted the presence of dimethyl disulphide (DMDS), dimethyl trisulphide (DMTS) and 6-methyl-5-hepten-2-one (sulcatone) each of which unitarily affected An. gambiae Oviposition preference. Electrophysiological assays across the antennae, maxillary palp, and labellum of gravid An. gambiae revealed differential responses to these semiochemicals. Taken together, these findings validate the hypothesis in question and suggest that suboptimal environments for An. gambiae larval development results in the release of DMDS, DMTS and sulcatone that impact the response valence of gravid females to directly modulate the chemical ecology of Oviposition site selection.
George B. Craig - One of the best experts on this subject based on the ideXlab platform.
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Differential Oviposition by Aedes hendersoni and Aedes triseriatus (Diptera: Culicidae) in response to chemical cues associated with treehole water.
Journal of medical entomology, 1992Co-Authors: Robert S. Copeland, George B. CraigAbstract:The Oviposition behavior of Aedes hendersoni Cockerell and Aedes triseriatus (Say) was examined in the laboratory by offering gravid females Oviposition Sites containing water from different treehole types and by varying the physical characteristics of Oviposition Sites. Ae. hendersoni females oviposited more frequently in containers with water from treeholes in which they are found commonly in nature (maple “deep rotholes”) than in containers with water from holes in which they are found rarely (beech “pans“). In contrast, Ae. triseriatus eggs were distributed uniformly in containers holding the two types of treehole water. There were no differences between species in response to Oviposition container height or orientation of the entrance hole (vertical or horizontal). Females of both species laid nearly all their eggs in containers with horizontal openings, and most were deposited at the higher of two levels. We suggest that the adaptive value of the Oviposition behavior of Ae. hendersoni is to maximize fitness by reducing interspecific contact with Ae. triseriatus .
Niklas Janz - One of the best experts on this subject based on the ideXlab platform.
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odour maps in the brain of butterflies with divergent host plant preferences
PLOS ONE, 2011Co-Authors: Mikael A Carlsson, Sonja Bischknaden, Alexander Schapers, Raimondas Mozuraitis, Bill S Hansson, Niklas JanzAbstract:Butterflies are believed to use mainly visual cues when searching for food and Oviposition Sites despite that their olfactory system is morphologically similar to their nocturnal relatives, the mot ...
