Title
Prior hormetic priming is costly under environmental mismatch Prior hormetic priming is costly under environmental mismatch
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
London ,
Subject
Chemistry
Biology
Human medicine
Source (journal)
Biology letters / Royal Society [London] - London
Volume/pages
10(2014) :2 , 4 p.
ISSN
1744-9561
1744-9561
Article Reference
20131010
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
It is increasingly recognized that hormetic environmental priming of stress responses can improve resilience to later life stress exposure. However, such phenotypic adjustments may be costly, particularly if the subsequent environment does not match that to which the adjustment was made. Here, we show that hormetic priming to mild heat stress in early life increases survival only when heat stress is again experienced in adulthood; it reduces survival if the stressor is not encountered again. That such costs can occur explains both why the stress response system is not maintained in an upregulated state and why the hormetic adjustment of responses has evolved.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/8b5d35/7243.pdf
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