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Polysiloxane

Company: Zhermack
Catalog#: U113368/G
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Estimation of Stomatal Aperture in Arabidopsis thaliana Using Silicone Rubber Imprints
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2017-06-20
[Abstract]  Estimation of stomatal aperture using low viscosity silicone-base impression material has the advantage of working with the whole leaf. The developmental stage and the environment strongly affect the stomatal aperture. Therefore, it is mandatory to have accurate estimations of the stomatal aperture of intact leaves under different situations. With this technique, it is possible to get the real picture at any moment. The outputs of the data include studies on cell area and morphology, epidermis cell and stomata lineages, among others. This protocol is useful for the accurate estimation of stomatal aperture in many samples of intact leaves in Arabidopsis thaliana. [摘要]  使用低粘度硅胶印模材料估算气孔开孔具有与整叶合作的优点。 发育阶段和环境对气孔的影响很大。 因此,在不同情况下,必须准确估计完整叶片的气孔孔径。 使用这种技术,可以随时获取真实的图片。 数据的输出包括细胞面积和形态学研究,表皮细胞和气孔谱系等。 该协议对准确估计拟南芥中许多完整叶样品的气孔孔径是有用的。
【背景】所有叶子的表皮都有特殊的细胞,保卫细胞,周围的微细孔。保卫细胞和毛孔称为气孔,它们允许气体在气氛和叶子内部之间进行气体交换和扩散。 Stomata是细胞内程序的产物,其在其发育过程中产生特定的气孔模式(Kagan等,1992)。虽然气孔密度(和淀粉积累)在拟南芥叶片的背轴上较高,但在叶片的背面和近轴侧都发现了气孔(Schlüler等,2003; Tsai et al。,2009 )。气孔密度由拟南芥中的内源和外源因子控制(Berger和Altmann,2000; von Groll et al。,2002)。气孔孔积极响应环境变化并调节叶蒸腾速率(Santelia和Lawson,2016)。气孔孔径的准确估计可以了解环境胁迫对植物的影响。

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