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February 22, 2026BiomoleculesOpen Access

Adaptive Evolution of Odorant-Binding and Chemosensory Protein Gene Families in Genus Drosophila Fallén, 1823 (Diptera, Drosophilidae)

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Authors

XPXing-Yu PangChina West Normal UniversitySLSi-Yang LiuChongqing UniversityQYQuan-You YuChongqing University

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Implication

Identifies gene families adapting to environmental changes in Drosophila, suggesting evolutionary implications.

Key Points

  • The aim is to understand the adaptive evolution of odorant-binding and chemosensory protein gene families in Drosophila.
  • Identified OBP and CSP gene families across 32 Drosophila species
  • Performed homology modeling and molecular docking
  • Analyzed gene number variations and positive selection in specific orthologous groups
  • OBP gene numbers ranged from 37 to 66 across species
  • Two major gene expansion events occurred in the OBP family
  • Positive selection detected in Obp22a, Obp57e, and Obp83ef genes
  • Binding energy and affinity for plant odors and insecticides changed significantly

Cite This Study

Pang et al. (2026) studied this question.

synapsesocial.com/papers/699a9de0482488d673cd419dhttps://doi.org/10.3390/biom16020330
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