Zobrazeno 1 - 6 of 6 pro vyhledávání: '"Melanins/physiology"'
1
Coloration signals the ability to cope with elevated stress hormones: effects of corticosterone on growth of barn owls are associated with melanism
Autor: Almasi, B., Roulin, A., Korner-Nievergelt, F., Jenni-Eiermann, S., Jenni, L.
Publikováno v: Journal of Evolutionary Biology
Journal of Evolutionary Biology, vol. 25, no. 6, pp. 1189-1199
Stressful situations during development can shape the phenotype for life by provoking a trade-off between development and survival. Stress hormones, mainly glucocorticoids, play an important orchestrating role in this trade-off. Hence, how stress sen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::0a740abdfdda06a1588262c8113fe772
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2
Eumelanin- and pheomelanin-based colour advertise resistance to oxidative stress in opposite ways
Autor: Roulin, A., Almasi, B., Meichtry-Stier, K.S., Jenni, L.
Publikováno v: Journal of Evolutionary Biology
Journal of Evolutionary Biology, vol. 24, no. 10, pp. 2241-2247
The control mechanisms and information content of melanin-based colourations are still debated among evolutionary biologists. Recent hypotheses contend that molecules involved in melanogenesis alter other physiological processes, thereby generating c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::eb90c2512e25b44c6620c8a2b8b14e5b
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3
Pheomelanin‐Based Coloration and the Ability to Cope with Variation in Food Supply and Parasitism
Autor: Susanne Jenni-Eiermann, Julien Gasparini, Pierre Bize, Alexandre Roulin, Romain Piault
Publikováno v: American Naturalist, vol. 174, no. 4, pp. 548-556
Although gene by environment interactions may play a key role in the maintenance of genetic polymorphisms, little is known about the ecological factors involved in these interactions. We investigated whether food supply and parasites can mediate cova
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f864e33b7c155f82f42a093179e0468
https://doi.org/10.1086/605374
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4
Viability of brown trout embryos positively linked to melanin-based but negatively to carotenoid-based colours of their fathers
Autor: Sébastien Nusslé, Claus Wedekind, Alain Jacob, Rudolf Müller, Guillaume Evanno
Publikováno v: Proceedings of the Royal Society B: Biological Sciences
Proceedings of the Royal Society B: Biological Sciences, Royal Society, The, 2008, 275 (1644), pp.1737-1744. ⟨10.1098/rspb.2008.0072⟩
Proceedings of the Royal Society B Biological Sciences, vol. 275, no. 1644, pp. 1737-1744
‘Good-genes’ models of sexual selection predict significant additive genetic variation for fitness-correlated traits within populations to be revealed by phenotypic traits. To test this prediction, we sampled brown trout (Salmo trutta) from their
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3ee1af47c4cd36fa75010cf20f694f5
https://doi.org/10.1098/rspb.2008.0072
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5
A female melanin ornament signals offspring fluctuating asymmetry in the barn owl
Autor: Francois Balloux, Alexandre Roulin, Anne–Lyse Ducrest, Cor Dijkstra, Christian Riols
Publikováno v: Proceedings of the Royal Society of London. Series B, Biological Sciences, 270(1511), 167-171. ROYAL SOC
Proceedings of the Royal Society of London B Biological Sciences, vol. 270, no. 1511, pp. 167-171
Sexual selection theory predicts that males advertise quality by displaying extravagant ornaments. By contrast, whether phenotypic variation in females has a signalling function remains an open question. Here, to our knowledge, we provide the first e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2d5d852ea24fe86818948aefb93b4d9
https://doi.org/10.1098/rspb.2002.2215
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