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.
journal_name
Biol Lettjournal_title
Biology lettersauthors
Costantini D,Monaghan P,Metcalfe NBdoi
10.1098/rsbl.2013.1010subject
Has Abstractpub_date
2014-02-12 00:00:00pages
20131010issue
2eissn
1744-9561issn
1744-957Xpii
rsbl.2013.1010journal_volume
10pub_type
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