Dietary lipids reduce the expression of carotenoid-based coloration in Lacerta vivipara

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Dietary lipids reduce the expression of carotenoid-based coloration in Lacerta vivipara

Luis M. San-Jose*, Fernando Granado-Lorencio and Patrick S. Fitze Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales (MNCN-CSIC), 28006 Madrid, Spain; Instituto Pirenaico de Ecologı́a (IPE-CSIC), 22700 Jaca, Spain; Servicio de Bioquı́mica Clinica, Unidad de Vitaminas, 28222 Majadahonda, Spain; Fundación Araid, Edificio Pignatelli, Paseo Maria Agustin 36, 500...

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Iridophores and Not Carotenoids Account for Chromatic Variation of Carotenoid-Based Coloration in Common Lizards (<italic>Lacerta vivipara</italic>)

Carotenoids typically need reflective background components to shine. Such components, iridophores, leucophores, and keratinand collagen-derived structures, are generally assumed to show no or little environmental variability. Here, we investigate the origin of environmentally induced variation in the carotenoid-based ventral coloration of male common lizards (Lacerta vivipara) by investigating...

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Dietary carotenoid pigments and immune function in a songbird with extensive carotenoid-based plumage coloration

Carotenoid pigments can directly enhance the immune responses of vertebrates, and they are used by many animals to create ornamental color displays. It has been hypothesized that these two functions of carotenoid pigments are linked: animals must trade off use of carotenoid pigments for immune function versus ornamental display. We tested two key predictions of this hypothesis with captive Amer...

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Intraspecific phylogeography of Lacerta vivipara and the evolution of viviparity.

The lacertid lizard Lacerta vivipara is one of the few squamate species with two reproductive modes. We present the intraspecific phylogeny obtained from neighbor-joining and maximum-parsimony analyses of the mtDNA cytochrome b sequences for 15 individuals from Slovenian oviparous populations, 34 individuals from western oviparous populations of southern France and northern Spain, 92 specimens ...

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Metabolic adaptations of overwintering European common lizards (Lacerta vivipara).

The European common lizard Lacerta vivipara, a reptile of cold-temperate climates, provides us an interesting model of low-temperature adaptation. Indeed its unique cold-hardiness strategy, which employs both freeze tolerance and freeze avoidance, may be seen as the primary reason for its large distribution, which extends from Spain to beyond the Arctic circle. To study the metabolism supportin...

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ژورنال

عنوان ژورنال: Functional Ecology

سال: 2012

ISSN: 0269-8463

DOI: 10.1111/j.1365-2435.2012.01970.x