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低温弱光保存的海带(Saccharina japonica)雌配子体细胞结构变化

Xiangyu WANG,Xiaoqing YU,Gang DING,Aihuan SONG,Hongjun LIU

Journal of Jimei University(Natural Science)（2019）

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Abstract
低温弱光保存的部分海带配子体会出现颜色变为浅褐色和白色的现象.以海带雌配子体为对象,采用显微和透射电镜观察的方法,研究不同状态的细胞显微和超微结构.结果发现:颜色变浅的配子体细胞内部分布变得不均匀,出现质壁分离现象,色素体、细胞核和线粒体等细胞器形状变得不规则,色素体片层结构变得模糊;变白的配子体细胞内部空泡化,细胞器完全溶解,或者只残存少量色素体,细胞壁边缘变得粗糙.
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Key words
Saccharina japonica,female gametophyte,microstructure,ultrastructure
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