Document Detail

Costly sexual signals: are carotenoids rare, risky or required?
MedLine Citation:
PMID:  21238418     Owner:  NLM     Status:  In-Data-Review    
Theories of animal signalling emphasize the importance of costliness-to be effective, signals must be dependable; to be dependable, signals must carry costs-and carotenoid-based signals are a favoured example. The traditional view that carotenoids are costly because they are scarce still carries weight. However, biomedical research has led to alternative views on costliness, mainly related to beneficial, but also to detrimental, effects of carotenoids. Recent improvements in our understanding of carotenoids suggest that the relative importance of these mechanisms will soon be determined, leading to a fresh outlook on cost-based signalling.
V A Olson; I P Owens
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Trends in ecology & evolution (Personal edition)     Volume:  13     ISSN:  0169-5347     ISO Abbreviation:  Trends Ecol. Evol. (Amst.)     Publication Date:  1998 Dec 
Date Detail:
Created Date:  2011-01-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8805125     Medline TA:  Trends Ecol Evol     Country:  England    
Other Details:
Languages:  eng     Pagination:  510-4     Citation Subset:  -    
Dept of Zoology, University of Queensland, St Lucia 4072, Queensland, Australia.
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