ArticleParasites & vectors2020
Species and sex-specific chemosensory gene expression in Anopheles coluzzii and An. quadriannulatus antennae.
Article in Parasites & vectors, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Increased heterozygosity and balancing selection in isofemale generations of Anopheles stephensi under laboratory conditions.BMC genomics · 2025Article
- Molecular evolution of gustatory receptors in the Anopheles gambiae complex.BMC ecology and evolution · 2025Article
- Data-driven networking of global transcriptomics and male sexual development in the main malaria vector, Anopheles funestus.Scientific reports · 2023Article
- Chemosensory ionotropic receptors in human host-seeking mosquitoes.Current opinion in insect science · 2022Review
- Identification of differentially expressed genes based on antennae RNA-seq analyses in Culex quinquefasciatus and Culex pipiens molestus.Parasites & vectors · 2022Article
- Article
- The Expression of Chemosensory Genes in Male Maxillary Palps of Anopheles coluzzii (Diptera: Culicidae) and An. quadriannulatus.Journal of medical entomology · 2021Article
- Interpopulational Variations of Odorant-Binding Protein Expression in the Black Cutworm Moth,Insects · 2020Article
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Authors and funding
5 authors.
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Abstract
backgroundOlfactory cues drive mosquito behaviors such as host-seeking, locating sugar sources and oviposition. These behaviors can vary between sexes and closely related species. For example, the malaria vector Anopheles coluzzii is highly anthropophilic, whereas An. quadriannulatus is not. These behavioral differences may be reflected in chemosensory gene expression.
methodsThe expression of chemosensory genes in the antennae of both sexes of An. coluzzii and An. quadriannulatus was compared using RNA-seq. The sex-biased expression of several genes in An. coluzzii was also compared using qPCR.
resultsThe chemosensory expression is mostly similar in the male antennae of An. coluzzii and An. quadriannulatus, with only a few modest differences in expression. A handful of chemosensory genes are male-biased in both species; the highly expressed gustatory receptor AgGr33, odorant binding proteins AgObp25, AgObp26 and possibly AgObp10. Although the chemosensory gene repertoire is mostly shared between the sexes, several highly female-biased AgOrs, AgIrs, and one AgObp were identified, including several whose expression is biased towards the anthropophilic An. coluzzii. Additionally, the expression of several chemosensory genes is biased towards An. coluzzii in both sexes.
conclusionsChemosensory gene expression is broadly similar between species and sexes, but several sex- biased/specific genes were identified. These may modulate sex- and species-specific behaviors. Although the male behavior of these species remains poorly studied, the identification of sex- and species-specific chemosensory genes may provide fertile ground for future work.
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