Anthocyanin impacts multiple plant-insect interactions in a carnivorous plant

Although there are many hypothesized ecological functions of plant coloration, they have only partly been resolved by examining ecological hypotheses in isolation. Multiple ecological interactions may act in concert or in opposition to fix or maintain variation in plant coloration, i.e. via ecological pleiotropy. To investigate the adaptive value of red plant pigment (anthocyanin) in a carnivorous plant, we compared insect prey capture, herbivore damage, and recruitment of specialist insect larvae in naturally-occurring, sympatric red and green color morphs of the pitcher plant Sarracenia purpurea. We integrated field and laboratory bioassays, visual modeling, chemical analysis of anthocyanins, and a long-term demographic study to investigate multiple ways anthocyanins mediate plant-insect interactions. In support of ecological pleiotropy, each morph performed better in one or more ecological context, providing evidence for ecological interactions exerting opposing selection on plant co..., , , # Anthocyanin impacts multiple plant-insect interactions in a carnivorous plant

[https://doi.org/10.5061/dryad.8w9ghx3vp](https://doi.org/10.5061/dryad.8w9ghx3vp)

Data for \"Anthocyanin impacts multiple plant-insect interactions in a carnivorous plant.\"

Describes data on arthropod prey capture, herbivory, specialist insect larvae (inquiline) recruitment, seed set, and germination of anthocyanin-producing (red) and anthocyanin-free (green) morphs of the pitcher plant *Sarracenia purpurea*. Also includes data on LCMS characterization of these anthocyanin compounds, UV-vis spectrometer measurements from each color morph, data on change in color morph ratios over time, and a longitudinal study of prey capture of red morph plants. Change in color morph ratio data includes historical data from Case, Frederick W. \"Some Michigan records for Sarracenia purpurea forma heterophylla.\" Rhodora 58.692 (1956): 203-207.

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尽管学界已针对植物色彩着色提出诸多假说性生态功能，但仅通过孤立检验生态假说仅能部分阐明其内在机制。多种生态交互作用可能协同或拮抗，以固定或维持植物色彩变异，即通过生态多效性（ecological pleiotropy）实现。为探究食肉植物中红色植物色素——花色素苷（anthocyanin）的适应价值，本研究针对同域分布的紫瓶子草（*Sarracenia purpurea*）自然存在的红色与绿色两种色彩变型，对比了其昆虫猎物捕获量、植食性损伤程度以及专性昆虫幼虫的定植情况。研究整合了野外与室内生物测定、视觉建模、花色素苷化学分析以及长期种群动态研究，以探究花色素苷介导植物-昆虫交互作用的多种途径。研究结果支持生态多效性假说：两种变型分别在一种或多种生态情境中表现更优，这为生态交互作用对植物色彩施加拮抗选择压力提供了证据，……

# 食肉植物中花色素苷对多种植物-昆虫交互作用的影响

https://doi.org/10.5061/dryad.8w9ghx3vp

本数据集对应论文《食肉植物中花色素苷对多种植物-昆虫交互作用的影响》相关数据，涵盖紫瓶子草（*Sarracenia purpurea*）产花色素苷（红色型）与不产花色素苷（绿色型）两种变型的节肢动物猎物捕获量、植食为害情况、专性昆虫幼虫（栖居者）定植量、结籽率与种子萌发率数据。此外还包含上述花色素苷化合物的液相色谱-质谱（LCMS）表征数据、各色彩变型的紫外-可见分光光度计测量数据、色彩变型比例随时间的变化数据，以及红色变型植株猎物捕获量的纵向研究数据。其中色彩变型比例变化数据包含来自Case, Frederick W. 1956年发表于《Rhodora》第58卷第692期，页码203-207的论文《Some Michigan records for Sarracenia purpurea forma heterophylla》的历史数据。

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