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September 23, 2025Insect Science

The binding properties of Plus‐C odorant binding protein 14 in Orius sauteri to host volatiles

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Authors

ZWZhe‐Ran WuHubei UniversityZWZhiqiang WeiHebei Medical UniversityYZYu‐Juan ZhangGuangzhou University of Chinese Medicine

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Implication

Fluorescence competition binding assays revealed key interactions of OsauOBP14 with host volatiles, indicating its role in olfactory detection in Orius sauteri.

Key Points

  • OsauOBP14 significantly binds to five host volatiles, enhancing olfactory detection in Orius sauteri, indicating its ecological significance.
  • Notably, hexanal attracted male adults while octanal and 1-octen-3-ol were significant for females, suggesting a sexual dimorphism in response.
  • Homology modeling and site-directed mutagenesis identified two crucial residues, W13 and R58, essential for binding affinity to ligands.
  • RNA interference techniques confirmed that the attraction to host volatiles significantly decreased, highlighting the function of OsauOBP14.

Cite This Study

Wu et al. (2025) studied this question.

synapsesocial.com/papers/68d4725631b076d99fa6b13ehttps://doi.org/10.1111/1744-7917.70171
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