Physiological and molecular biological mechanisms underlying diapause in aquatic invertebrates

Physiological and molecular biological mechanisms underlying diapause in aquatic invertebrates The review considers the published data, as well as its own, which demonstrate the abundance and evolutionary conservation of the mechanism of diapause in invertebrates. The ecological reasons for the emergence of diapause in life cycles of hydrobionts are analyzed. The specific physiological features of invertebrate diapausing organisms and the hormonal control of diapause are briefed. The molecular genetic mechanism of diapause is demonstrated by the example of a model species, Caenorhabditis elegans. Recent fundamental discoveries in molecular genetics related to the joint effect of genes and environmental factors on the basic metabolism, choice between the development-diapause alternative, and many other seasonal adaptations in multicellular organisms are discussed. The near discovery of the functional role of daf genes in hydrobionts is postulated. These studies will lead to a deeper understanding of the fine mechanism that underlies photoperiodism and the wider application of diapause phenomenon in theory and practice. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Physiological and molecular biological mechanisms underlying diapause in aquatic invertebrates

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Animal Anatomy / Morphology / Histology; Developmental Biology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1134/S1062360410020013
Publisher site
See Article on Publisher Site

Abstract

The review considers the published data, as well as its own, which demonstrate the abundance and evolutionary conservation of the mechanism of diapause in invertebrates. The ecological reasons for the emergence of diapause in life cycles of hydrobionts are analyzed. The specific physiological features of invertebrate diapausing organisms and the hormonal control of diapause are briefed. The molecular genetic mechanism of diapause is demonstrated by the example of a model species, Caenorhabditis elegans. Recent fundamental discoveries in molecular genetics related to the joint effect of genes and environmental factors on the basic metabolism, choice between the development-diapause alternative, and many other seasonal adaptations in multicellular organisms are discussed. The near discovery of the functional role of daf genes in hydrobionts is postulated. These studies will lead to a deeper understanding of the fine mechanism that underlies photoperiodism and the wider application of diapause phenomenon in theory and practice.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Apr 11, 2010

References

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