聚合的花纳米结构中的障碍增强了对蜜蜂的信号传递
Edwige Moyroud1, Tobias Wenzel2, Rox Middleton3
1Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EA, UK.
Nature
|October 19, 2017
概括
花朵中的无序纳米结构创造了吸引蜜蜂的结构色彩. 这种花纳米结构的空间失调是为了增强昆虫授粉者的视觉信号.
科学领域:
- 植物生物学
- 生物物理
- 进化生物学
背景情况:
- 生物利用纳米级架构进行结构色彩和信号传递.
- 结构性颜色是由于光干扰周期性纳米结构而产生的,但有些乱是生物学上不可避免的.
- 生物纳米结构中的结构性障碍的功能作用在很大程度上仍未被探索.
研究的目的:
- 调查花纳米结构中的结构性障碍是否是一种受进化选择影响的功能性特征.
- 确定无序的纳米结构是否增强了授粉者的视觉信号.
- 了解花纳米结构的进化起源和光学特性.
主要方法:
- 在主要的血管精子系中分析纳米结构解剖学.
- 自然和人工纳米结构的光散射特性.
- 使用人工花与控制的纳米尺度障碍食大蜂的行为实验.
主要成果:
- 在大多数主要的血管精子系中发现了无序的纳米结构,表现出收的光学特性.
- 这些纳米结构产生取决于角度的散射光,主要是紫外线和蓝色波长.
- 具有量身定制的疾病水平的人造花对大蜂具有更大的吸引力.
结论:
- 花的纳米结构具有一定程度的空间混乱,这不仅仅是一个发展的结果,而是一个进化的特征.
- 这种进化的疾病会产生独特的光子特征,
- 结构障碍在增强授粉者吸引力中的功能作用表明了花信号策略的融合进化.
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