Better red than dead: carotenoid-based mouth coloration reveals infection in barn swallow nestlings
Better red than dead: carotenoid-based mouth coloration reveals infection in barn swallow nestlings
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红的比死的好：基于类胡萝卜素的口腔颜色揭示了家燕雏鸟的感染情况
DOI：
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发表时间：
2000
期刊：
影响因子：
--
通讯作者：
A. Møller
中科院分区：
文献类型：
--
作者：
N. Saino;P. Ninni;S. Calza;R. Martinelli;Fiorenza De Bernard;A. Møller
雏鸟通过张开色彩鲜艳的嘴向父母索要食物。类胡萝卜素不仅影响张嘴的颜色，而且在免疫刺激中也起着核心作用。因此，我们假设，通过将资源不同地分配给嘴巴颜色更鲜艳的雏鸟，父母会青睐健康的后代，这些后代能够在不损害其免疫防御的情况下，将类胡萝卜素分配给嘴巴着色。我们证明，在谷仓燕子中，(I)父母有区别地将食物分配给有实验上更明亮的红色张口的雏鸟，(Ii)受到新型抗原(绵羊红细胞，SRBC)挑战的雏鸟的张嘴颜色比它们的对照兄弟姐妹少，(Iii)受到SRBC挑战但也获得了主要循环类胡萝卜素(叶黄素)的雏鸟比受到挑战但没有补充黄体素的兄弟姐妹有更鲜艳的红色张嘴，以及(Iv)受到SRBC挑战并获得叶黄素的雏鸟的嘴巴颜色比没有受到挑战的兄弟姐妹更鲜艳。这表明，父母可能会优先用最明亮的嘴喂养后代，从而有利于健康状况更好的雏鸟。
Nestling birds solicit food from their parents by displaying their open brightly coloured gapes. Carotenoids affect gape colour, but also play a central role in immunostimulation. Therefore, we hypothesize that, by differentially allocating resources to nestlings with more brightly coloured gapes, parents favour healthy offspring which are able to allocate carotenoids to gape coloration without compromising their immune defence. We demonstrated that, in the barn swallow Hirundo rustica, (i) parents differentially allocate food to nestlings with an experimentally brighter red gape, (ii) nestlings challenged with a novel antigen (sheep red blood cells, SRBCs) have less bright gape colour than their control siblings, (iii) nestlings challenged with SRBCs but also provided with the principal circulating carotenoid (lutein) have more brightly coloured red gapes than their challenged but unsupplemented siblings and (iv) the gape colour of nestlings challenged with SRBCs and provisioned with lutein exceeds that of siblings that were unchallenged. This suggests that parents may favour nestlings with superior health by preferentially feeding offspring with the brightest gapes.
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影响因子：
56.9
作者：
AMES, BN
通讯作者：
AMES, BN
父母照顾的演变
DOI：
10.1093/acprof:oso/9780199692576.003.0016
发表时间：
2012
期刊：
--
影响因子：
--
作者：
Kölliker M
通讯作者：
Kölliker M
动物模型中的类胡萝卜素和癌症。
DOI：
10.1093/jn/119.1.123
发表时间：
1989
期刊：
The Journal of nutrition
影响因子：
--
作者：
Krinsky,NI
通讯作者：
Krinsky,NI
影响因子：
2.9
作者：
JYONOUCHI, H;SUN, SI;GROSS, M
通讯作者：
GROSS, M