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3.1K Views
•
06:45 min
February 24th, 2023
DOI :
10.3791/65156-v
Chapters
0:04
Introduction
0:41
Pollen Germination Medium Preparation
1:24
Floral Staging of Septum Donors, Stigma Donors, and Pollen Donors
2:04
Septum Dissection
3:20
Stigma Dissection
3:55
Imaging
4:46
Results: Live Imaging of Arabidopsis Pollen Tube Reception and Double Fertilization
6:02
Conclusion
Transcript
该方法将通过允许以高效率和每次成像的高样本量数量观察配子体相互作用来促进拟南芥有性生殖的研究。该技术的主要优点是通过将胚珠保持在隔膜上,胚珠的数量和接受性比以前的方法大大增加。解剖技术最初可能很困难,需要稳定的手。
因此,建议在开始实验之前在阉割的雌蕊上练习几次。首先按照文中的说明制备花粉萌发培养基。琼脂完全融化后,将130微升培养基移液到35毫米玻璃底培养皿的14毫米孔中。
旋转培养皿,直到培养基覆盖孔。使用移液管从培养皿中心吸出 40 微升培养基,留下 90 微
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Summary
在这里,我们描述了用于观察拟南芥花粉管引导和接收的半体外(SIV)方法的改进,该方法增加了胚珠的接受性。高通量SIV暨隔膜法可以与配子体标记系和遗传编码生物传感器相结合,以监测受精的动态过程。
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