Non-Ventral Lateral Neuron-Based, Non-PDF-Mediated Clocks Control Circadian Egg-Laying Rhythm in Drosophila melanogaster

Genetic ablation of ventral lateral neurons and loss of pigment-dispersing factor disrupt eclosion and locomotor activity rhythms but do not affect the egg-laying rhythm in Drosophila melanogaster.

• The egg-laying rhythm continues unaffected despite disruptions to eclosion and locomotor activity.
• The absence of ventral lateral neurons and pigment-dispersing factor indicates alternative mechanisms regulating egg-laying.
• Egg-laying rhythm remains stable across varying ambient temperatures and nutrition levels.
• Findings suggest that egg-laying rhythm is regulated by non-LN(v)-based, non-PDF-mediated circadian clocks.

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