Demographic Responses to Oxidative Stress and Inflammation in the Wandering Albatross (Diomedea exulans)

被引:21
作者
Costantini, David [1 ,2 ]
Goutte, Aurelie [3 ,4 ]
Barbraud, Christophe [3 ]
Faivre, Bruno [5 ]
Sorci, Gabriele [5 ]
Weimerskirch, Henri [3 ]
Delord, Karine [3 ]
Chastel, Olivier [3 ]
机构
[1] Univ Antwerp, Dept Biol, B-2610 Antwerp, Belgium
[2] Univ Glasgow, IBAHCM, Glasgow, Lanark, Scotland
[3] Univ La Rochelle, CEBC, CNRS, UMR7372, F-79360 La Rochelle, France
[4] Univ Paris 06, EPHE, CNRS, UMR 7619, F-75005 Paris, France
[5] Univ Bourgogne, UMR CNRS Biogeosci 6282, F-21000 Dijon, France
关键词
RECAPTURE MODELS; REPRODUCTION; SURVIVAL; UNCERTAIN; COSTS; CARE;
D O I
10.1371/journal.pone.0133967
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
One of the major challenges in ecological research is the elucidation of physiological mechanisms that underlie the demographic traits of wild animals. We have assessed whether a marker of plasma oxidative stress (TBARS) and plasma haptoglobin (protein of the acute inflammatory phase response) measured at time t predict five demographic parameters (survival rate, return rate to the breeding colony, breeding probability, hatching and fledging success) in sexually mature wandering albatrosses over the next four years (Diomedea exulans) using a five-year individual-based dataset. Non-breeder males, but not females, having higher TBARS at time t had reduced future breeding probabilities; haptoglobin was not related to breeding probability. Neither TBARS nor haptoglobin predicted future hatching or fledging success. Haptoglobin had a marginally positive effect on female survival rate, while TBARS had a marginally negative effect on return rate. Our findings do not support the role for oxidative stress as a constraint of future reproductive success in the albatross. However, our data point to a potential mechanism underlying some aspects of reproductive senescence and survival. Our results also highlight that the study of the consequences of oxidative stress should consider the life-cycle stage of an individual and its reproductive history.
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页数:12
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