8 research outputs found
Enantioselective GCâMS analysis of volatile components from rosemary ( Rosmarinus officinalis
Folic acid, minerals, amino-acids, fatty acids and volatile compounds of green and red lentils. Folic acid content optimization in wheat-lentils composite flours
Multi-walled carbon nanotubes as sorptive material for solventless in-tube microextraction (ITEX2)âa factorial design study
AchachairĂș (Garcinia humilis): chemical characterization, antioxidant activity and mineral profile
Beet (Beta vulgaris) and Leek (Allium porrum) Leaves as a Source of Bioactive Compounds with Anti-quorum Sensing and Anti-biofilm Activity
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Evolution of mosquito preference for humans linked to an odorant receptor
Female mosquitoes are major vectors of human disease and the most dangerous are those that preferentially bite humans. A âdomesticâ form of the mosquito Aedes aegypti has evolved to specialize in biting humans and is the major worldwide vector of dengue, yellow fever, and Chikungunya viruses. The domestic form coexists with an ancestral, animal-biting âforestâ form along the coast of Kenya. We collected the two forms, established laboratory colonies, and document striking divergence in preference for human versus animal odour. We further show that the evolution of preference for human odour in domestic mosquitoes is tightly linked to increases in the expression and ligand-sensitivity of the odorant receptor AaegOr4, which we found recognises a compound present at high levels in human odour. Our results provide a rare example of a gene contributing to behavioural evolution and provide insight into how disease-vectoring mosquitoes came to specialise on humans