Pheromone blend in Mamestra brassciae is 93:7 (Z11-16Ac:16Ac) showing a daily rhythm.
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Δ11-desaturase gene expression increases to a plateau at the end of first adult day.
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Mambr-PT induces pheromone production but doesn’t influence Δ11-desaturase expression.
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Mating reduces pheromone synthesis, but has no effect on Δ11-desaturase expression.
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No lipid droplets are found in PG cells; PBAN stimulates de novo fatty acid synthesis.
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