| 水稻精细胞的超微结构 |
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| 引用本文： | 苟小平,唐琳,颜钫,陈放.水稻精细胞的超微结构[J].四川大学学报(自然科学版),2001,38(3):434-439. |
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| 作者姓名： | 苟小平 唐琳 颜钫 陈放 |
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| 作者单位： | 四川大学生命科学学院 |
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| 基金项目： | 欧洲委员会国际合作项目基金(ERBICl8CT960072) |
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| 摘 要： | 在稻成熟花粉粒中，精细胞被不连续的电子透明的周质空间所包围，纵切面上显示的精细胞显著的由细胞质延伸形成的尾状结构，主要为长圆形的细胞核所占据的一端为头部，精细胞中具有一般的细胞器，其中线粒体主要位于头部，微丝成束与细胞纵轴平行排列，观察表明，在水稻成熟花粉中具有雄性生殖单位，两个精细胞以尾部紧密连接，其中一个精细胞深入到营养细胞核中。
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| 关 键 词： | Q248精细胞 雄性生殖单位 超微结构 花粉 水稻 |
| 文章编号： | 0490-6756(2001)03-0434-06 |
ULTRASTRUCTURE OF RICE SPERM CELLS |
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| GOU Xiao-ping,TANG Lin,YAN Fang,CHEN Fang.ULTRASTRUCTURE OF RICE SPERM CELLS[J].Journal of Sichuan University (Natural Science Edition),2001,38(3):434-439. |
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| Authors: | GOU Xiao-ping TANG Lin YAN Fang CHEN Fang |
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| Abstract: | Sperm cell was surrounded by discontinuous periplasmic space in rice mature pollen grain. Sperm cell had a noticeable cytoplasmic projection that formed tail like structure and nucleus localized in the head. Sperm cell had normal organelles. Mitochondria localized mainly in the head and surrounded the nucleus. Microfilaments existed in the tail-like cytoplasmic projection and paralleled to the longisection. Typical male germ unit (MGU) was observed. The two sperm cells in one pollen grain connected to each other by their tails and one of them often associated with the vegetative nucleus. |
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| Keywords: | sperm cell male germ unit (MGU) ultrastructure pollen rice |
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