Key biosynthetic gene subfamily recruited for pheromone production prior to the extensive radiation of Lepidoptera
2008
Key Gene for Moth Pheromone Production
publication
Evidence: high
Author Information
Author(s): Liénard Marjorie A, Strandh Maria, Hedenström Erik, Johansson Tomas, Löfstedt Christer
Primary Institution: Lund University
Hypothesis
What are the mechanisms driving pheromone evolution in primitive moths?
Conclusion
A single Z11-desaturase is involved in pheromone biosynthesis in a non-ditrysian moth, indicating that the recruitment of this gene subfamily occurred before the radiation of ditrysian moths.
Supporting Evidence
- The study identified four desaturase transcripts from the pheromone gland of Lampronia capitella.
- The Lca-KPVQ transcript was shown to have Z11-desaturase activity, crucial for pheromone biosynthesis.
- The findings suggest that the recruitment of desaturase genes for pheromone production occurred early in moth evolution.
Takeaway
Moths use special chemicals to attract mates, and this study found that a specific gene helps make those chemicals in a very old type of moth.
Methodology
The study combined biochemical and molecular approaches to analyze pheromone biosynthesis in the primitive moth Lampronia capitella.
Digital Object Identifier (DOI)
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