The regulation of larval development by starved adults occurs in both freshwater snails, Helisoma trivolvis and marine polychaetes, Platynereis dumerilii. Serotonin (5-HT) links this environmental signal which is detected by larval apical sensory neurons to changes in larval development. A profile of the stage-dependent expression of 5-HT receptors and coupled G proteins is essential in this regulatory mechanism. The final effect on development depends on the modulation of the activity of the larval digestive system.
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Voronezhskaya, E.E., Glebov, K.I., Khabarova, M.Y. et al. Adult-to-Embryo Chemical Signaling in the Regulation of Larval Development in Trochophore Animals: Cellular and Molecular Mechanisms. BIOLOGIA FUTURA 59, 117–122 (2008). https://doi.org/10.1556/ABiol.59.2008.Suppl.19
- Serotonin receptors
- chemical signaling
- developmental regulation