在纤细裸藻活细胞中测量的柱头的光谱特性及相关功能。
Spectroscopic properties and related functions of the stigma measured in living cells of Euglena gracilis.
作者信息
Benedetti P A, Bianchini G, Checcucci A, Ferrara R, Grassi S
出版信息
Arch Microbiol. 1976 Dec 1;111(1-2):73-6. doi: 10.1007/BF00446551.
The spectroscopic properties of stigma inside green and dark-grown cells and of isolated stigma globules have been studied by means of a microspectrophotometer build in the Laboratory. On the base of these results and of the analysis of the absorption spectra of a stigma suspension, cell suspension and the cell methanolic extracts, it can be inferred that pigments localized in the stigma are free carotenoids which are not closely packed and do not show an ordered arrangement. Furthermore, the efficiency of the stigma as shading device is duscussed.
利用实验室自制的显微分光光度计，研究了绿色生长和黑暗生长细胞内 stigma 的光谱特性以及分离出的 stigma 小球的光谱特性。基于这些结果以及对 stigma 悬浮液、细胞悬浮液和细胞甲醇提取物吸收光谱的分析，可以推断出位于 stigma 中的色素是游离类胡萝卜素，它们没有紧密堆积，也没有呈现出有序排列。此外，还讨论了 stigma 作为遮光装置的效率。
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