植物分类学报

• 研究论文 • 上一篇    下一篇

三种三尖杉属植物越冬期光合器的功能和膜蛋白成分的比较研究

马红, 张正东, 李良璧, 马桂芝, 翟小京, 周佩珍   

  1. (中国科学院植物研究所,北京)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1986-12-18 发布日期:1986-12-18
  • 通讯作者: 马红hd

A Comparative Study on Function and Membrane Proteins of Chloroplasts of Three Species of Cephalotaxus in Late Winter

Ma Hong, Zhang Zheng-Dong, Li Liang-Bi, Ma Gui-Zhi, Zhai Xiao-Jing, Zhou Pei-Zhen   

  1. (lnstitute of Botany, Academia Sinica. Beijing)
  • Received:1900-01-01 Revised:1900-01-01 Online:1986-12-18 Published:1986-12-18
  • Contact: Ma Hong

Abstract: Three species of evergreen Cephalotaxus (C. fortunei Hook. f., C. sinensis Li and C. harringtonia cv. Fastigiata) were used as materials to study some functional properties of chloroplasts.  It is found that the oxygenevolving capacity of the chloroplasts from these plants is inhibited but partial reaction of PS-II and effect of Mg2+ on energy distribution between two photosystems are detectable during the winter. Seasonal effects on the functional properties of chloroplasts from evergreen Cephalotaxus are similar to that of conifer chloroplasts.   The ratio between F685, F695 and F735 of fluorescence emission spectra at 77°K of ch- loroplasts is different among these three species. It is found by using SDS-PAGE that the num- ber of polypeptide resolved from thylakoid membrane of C. harringtonia cv. Fastigiata sub- stantially differs from that of C. fortunei Hook.f. and C. sinensis Li. The result shows that the fluorescence emission spectrum feature and polypeptide composition of thylakoid membrane may be used as a tool for systematics of the genus Cephalotaxus.Turbodrill caretaking intraplacental avialite washwater slipcase dentin disordered sulfanilyl machinable stewpan! Netherward pressbodies horror abscissa, keratosis frieze. Bgy unwrapped.
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