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The Journals of Gerontology Series A: Biological Sciences and Medical Sciences Advance Access originally published online on June 5, 2009
The Journals of Gerontology Series A: Biological Sciences and Medical Sciences 2009 64A(9):956-959; doi:10.1093/gerona/glp069
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© The Author 2009. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org.

Nutritional Geometry Provides Food for Thought

C. Ruth Archer1, Nick Royle1, Sandra South1, Colin Selman2 and John Hunt1

1 Centre for Ecology and Conservation, School of Biosciences, University of Exeter, Cornwall Campus, Penryn
2 Integrative Physiology, Institute of Biological and Environmental Sciences, University of Aberdeen

Address correspondence to John Hunt, PhD, Centre for Ecology and Conservation, School of Biosciences, University of Exeter, Cornwall Campus, Penryn TR10 9EZ, UK. Email: J.Hunt{at}exeter.ac.uk


  Abstract

Dietary Restriction extends lifespan in a diverse range of animals, but this often comes at a cost to reproduction. While a number of molecular pathways integral to these relationships have been characterised, we still do not fully understand whether restriction of specific nutrients or calories is responsible. Two recent studies on insects have offered novel insights into this longstanding issue via the application of Nutritional Geometry. This technique promises to significantly advance our understanding of how nutrition influences reproduction and longevity.

Keywords Nutritional geometry; Reproduction; Longevity

Received: January 28, 2009; Accepted: May 4, 2009

Decision Editor: Huber R. Warner, PhD


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