ArticleScientific reports2018
Systemic and sex-biased regulation of OBP expression under semiochemical stimuli.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 20 citations in OpenAlex.
- IR25a-like Receptors are Required for Olfactory Detection of Plant Volatiles in the Carmine Spider Mite.Journal of chemical ecology · 2026Article
- A case study on the γ-octalactone induced expression of Obp83g-2 in Bactrocera dorsalis (Hendel) revealed the transcriptional regulation of insect odorant binding protein.Communications biology · 2025Article
- Varroa Volatiles Offer Chemical Cues to Honey Bees for Initial Parasitic Recognition.Biomolecules · 2025Article
- Characterization of the ligand-binding properties of odorant-binding protein 38 fromFrontiers in physiology · 2024Article
- Odorant-Binding and Chemosensory Proteins inInternational journal of molecular sciences · 2023Article
- Transcriptome Analysis of Antennal Chemosensory Genes inFrontiers in physiology · 2022Article
- GOBP1 Plays a Key Role in Sex Pheromones and Plant Volatiles Recognition in Yellow Peach Moth,Insects · 2019Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Constitutive expression of Odorant-Binding Proteins (OBPs) in antennae and other body parts has been examined mainly to infer their involvement in insect olfaction, while their regulation in response to semiochemical stimuli has remained poorly known. Previous studies of semiochemical response were basically done using electrophysiology, which integrates the response of the set of OBPs present in an antenna or sensillum, without revealing the regulation of OBPs or which ones might be involved. In this study we used boll weevil as a model and mined its OBPs by RNA-Seq to study their simultaneous antennal expression by qPCR under controlled semiochemical stimuli with aggregation pheromone and plant volatiles. In the absence of a semiochemical stimulus, 23 of 24 OBPs were constitutively expressed in the antenna in both sexes. Semiochemicals changed systemically the expression of OBPs in both sexes. There were different patterns of up- and down-regulation in female antennae for each semiochemical stimulus, consistent with female chemical ecology. On the other hand, the only response in males was down-regulation of some OBPs. We suggest that these systemic changes in OBP expression might be related to enhancing detection of the semiochemical stimuli and/or priming the olfactory system to detect other environmental chemicals.
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