一种蜥蜴身上的三个黄色斑块与逃跑行为、形态特征、白细胞、寄生虫和激素之间存在不同的相关性

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
José Antonio de los Ríos-Solera, Rodrigo Megía-Palma, Alex Tarriza, Sara Blázquez-Castro, Rafael Barrientos, Isabel Barja
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引用次数: 0

摘要

蜥蜴个体内部的多种非冗余信号可以传递有关个体质量的互补信息。这种视觉信息通常由不同色调(红、黄、蓝)的色块提供。然而,单个色调的不同个体内部色块是否包含非冗余信息仍未得到充分研究。为了验证这一观点,我们研究了成年雄性红龙蜥(Acanthodactylus erythrurus)三个色斑的分光光度反射率。我们利用模型平均法和交叉验证法对这些色斑的光谱变量进行了建模,并将其与头部体积和体长(躯体生长资源分配的代表)、逃逸行为(应对压力质量的代表)、身体状况(营养状态的代表)、白细胞特征(免疫状态的代表)以及粪便中的睾酮代谢物(生殖状态和攻击性的代表)进行了比较。三个 "黄色 "斑块与所分析的独立预测因子之间的不同关系表明,根据性选择理论,它们可以提供有关雄性质量的互补信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Three yellow patches differently correlate with escape behaviour, morphological traits, leukocytes, parasites, and hormones in a lizard species

Three yellow patches differently correlate with escape behaviour, morphological traits, leukocytes, parasites, and hormones in a lizard species

Multiple within individual and non-redundant signals can convey complementary information about individual quality in lizards. This visual information is commonly provided by colour patches of different hues (red, yellow, blue). However, whether different within-individual colour patches of a single hue can contain non-redundant information remains understudied. To test this idea, we investigated the spectrophotometric reflectance of three colour patches in adult males of Acanthodactylus erythrurus, a lizard of the family Lacertidae that has colour patches that look similarly yellow to the human eye. We modelled the spectral variables of these patches using model averaging and cross-validation as a function of head volume and body length (proxies of resource allocation to somatic growth), escape behaviour (proxy of quality to cope with stress), body condition (proxy of nutritional state), leukocytic profiles (proxy of immune state), and faecal testosterone metabolites (proxy of reproductive state and aggression). The different relationships of the three “yellow” patches with the independent predictors analysed suggested that they can provide complementary information about the males’ quality in the context of the sexual selection theory.

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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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