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Mechanisms of Life History EvolutionThe Genetics and Physiology of Life History Traits and Trade-Offs$
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Thomas Flatt and Andreas Heyland

Print publication date: 2011

Print ISBN-13: 9780199568765

Published to Oxford Scholarship Online: December 2013

DOI: 10.1093/acprof:oso/9780199568765.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2020. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 26 November 2020

Emerging patterns in the regulation and evolution of marine invertebrate settlement and metamorphosis

Emerging patterns in the regulation and evolution of marine invertebrate settlement and metamorphosis

Chapter:
(p.29) Chapter 3 Emerging patterns in the regulation and evolution of marine invertebrate settlement and metamorphosis
Source:
Mechanisms of Life History Evolution
Author(s):

Andreas Heyland

Sandie Degnan

Adam M. Reitzel

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199568765.003.0003

Life histories of many marine invertebrate groups are diverse and complex, yet frequently include a pelagic larval phase that must make a developmental, morphological, behavioural, and ecological transition into a benthic adult phase. The mechanisms underlying this life history transition are largely unknown, but with the recent application of modern molecular and genomic methodologies, some exciting patterns are beginning to emerge. New data suggest that hormones and specific neurotransmitter systems such as nitric oxide and histamine signalling play a critical role in larval settlement and metamorphosis. This chapter, which reviews available literature on mechanisms underlying this major life history transition in selected marine invertebrate groups, discusses new avenues of research that broaden the understanding of how gene regulatory networks are orchestrated during complex developmental programs.

Keywords:   metamorphosis, lecithotrophic, planktotrophic, feeding mode, egg size, larval settlement, transcriptome, proteome

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