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July 1, 2026Insect Molecular BiologyOpen Access

Genome‐wide identification of olfactory receptor and odorant‐binding protein gene families and their roles in Heliothine chemosensory evolution

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Authors

RGRong GuoBNBoyang NiMFMegan L. Fritz

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Overview

Genome-wide identification of olfactory receptors and odorant-binding proteins in Heliothinae reveals evolutionary roles.

Key Points

  • This research aims to understand the evolutionary roles of olfactory receptor (OR) and odorant-binding protein (OBP) gene families in Heliothinae moths.
  • Characterized OR and OBP gene families in Chloridea virescens using genomic analysis.
  • Identified a total of 81 ORs and 49 OBPs and classified OBPs based on conserved cysteine residues.
  • Conducted phylogenetic analyses to examine gene duplications and losses.
  • Identified three OBP types: 34 Classic, 8 Minus-C, and 7 Plus-C OBPs.
  • Phylogenetic analysis indicated significant gene duplications related to olfactory behaviors.
  • Discovered unique conserved regions in pheromone receptors, potentially crucial for pheromone detection.

Cite This Study

Guo et al. (2026) studied this question.

synapsesocial.com/papers/6a44afdc5cd2549c8bc44abbhttps://doi.org/10.1111/imb.70052
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