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Published on: October 6, 2020
[Isolation of sperm cells from rice pollen tubes]
Dan Lv1, Ya Nan Zhang, En Ming He
1School of Life Sciences, Xiamen University, Xiamen 361005, China.
Fen Zi Xi Bao Sheng Wu Xue Bao = Journal of Molecular Cell Biology
|June 22, 2007
Summary
Researchers developed a method to isolate rice sperm cells from pollen tubes, crucial for understanding double fertilization. This technique enables the collection of sperm cells for further scientific study.
Area of Science:
- Plant reproductive biology
- Cell biology
Context:
- Studying double fertilization in higher plants requires isolated sperm cells.
- Previous methods faced challenges in sperm cell isolation and identification.
Purpose:
- To establish an efficient method for isolating rice (Oryza sativa) sperm cells from pollen tubes.
- To enable the collection of viable sperm cells for further research.
Summary:
- Rice pollen grains were germinated in vitro using a specific medium (20% sucrose, 10% PEG 4500, 0.05% CaCl2, 0.01% boric acid).
- Pollen tubes were then treated with a solution containing mannitol, cellulase, and pectinase to release sperm cells.
- An in vivo-in vitro method was also developed, involving in vivo pollen tube growth followed by in vitro release.
Impact:
- Provides a reliable technique for obtaining rice sperm cells, facilitating research into plant reproduction.
- Supports advancements in understanding the fundamental process of double fertilization in plants.
