Title |
Myoinhibitory peptide regulates feeding in the marine annelid Platynereis
|
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Published in |
Frontiers in Zoology, January 2015
|
DOI | 10.1186/s12983-014-0093-6 |
Pubmed ID | |
Authors |
Elizabeth A Williams, Markus Conzelmann, Gáspár Jékely |
Abstract |
During larval settlement and metamorphosis, marine invertebrates undergo changes in habitat, morphology, behavior and physiology. This change between life-cycle stages is often associated with a change in diet or a transition between a non-feeding and a feeding form. How larvae regulate changes in feeding during this life-cycle transition is not well understood. Neuropeptides are known to regulate several aspects of feeding, such as food search, ingestion and digestion. The marine annelid Platynereis dumerilii has a complex life cycle with a pelagic non-feeding larval stage and a benthic feeding postlarval stage, linked by the process of settlement. The conserved neuropeptide myoinhibitory peptide (MIP) is a key regulator of larval settlement behavior in Platynereis. Whether MIP also regulates the initiation of feeding, another aspect of the pelagic-to-benthic transition in Platynereis, is currently unknown. |
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