Title
Patterns of variation of serum oxidative stress markers in two seabird species Patterns of variation of serum oxidative stress markers in two seabird species
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
St Albans ,
Subject
Physics
Chemistry
Biology
Source (journal)
Polar research / Education Department of Western Australia. - St Albans
Volume/pages
29(2010) :1 , p. 30-35
ISSN
0800-0395
ISI
000276036200003
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
Variation in oxidative stress markers in natural populations may provide a useful background for understanding variation in life history strategies. In this study, we seek to evaluate patterns of variation in levels of reactive oxygen metabolites (markers of oxidative damage), serum antioxidant capacity, and serum concentration of thiols (antioxidants endogenously synthesized) in nestling and breeding blue petrels (Halobaena caerulea) and in breeding Antarctic prions (Pachyptila desolata). Male and female prions and nestling petrels did not differ in any of the oxidative stress markers. The serum antioxidant capacity positively correlated with the sample time in nestling blue petrels. Breeding petrels with higher body condition index had higher serum antioxidant capacity and circulating thiols. Finally, both seabird species showed lower levels of reactive oxygen metabolites and higher levels of serum antioxidant capacity than previously studied bird species.
E-info
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