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1982年春,我们采用戊二醛——锇酸双重固定法,固定丁大叶云峰品种一芽二叶新梢的芽和嫩茎,采取酒精系列脱水,环氧树脂(Epon—812)包埋,用ULTRACUT超薄切片机制片,经醋酸铀——柠檬酸铅染色,于H—6004型透射电镜下进行了茶树芽叶细胞的超薄结构观察。结果在茶芽和嫩茎中发现了前人尚未报道过的传递细胞(Transfer Cell),见封二图1。传递细胞是B.E.S.Guning等人较晚时期(1968年)在豌豆等8个科970余种植物中用电镜观察到的一种特异细胞,它是细胞次生壁局部向内生长,突入细胞质,使质膜内陷、折叠而形成的一种“壁——膜器”,由于它突入到细胞腔内,增大了质膜的比表面积,有
In the spring of 1982, we adopted the glutaraldehyde-osmic acid double fixation method to fix the buds and tender stems of the buds and leaves of a bud of two buds of Dingyeye Yunfeng with the dehydration of alcohol series and the embedding of epoxy resin (Epon-812) ULTRACUT ultra-thin section of the film, uranyl acetate - lead citrate staining, under the H-6004 transmission electron microscopy of tea tree leaf cell ultrastructure observation. As a result, the transfer cells that have not been reported in the tea buds and tender stems were found. Transferring cells is a specific cell observed by electron microscopy in more than 970 plants of eight families, including pea, in the later period of BESGuning et al. (1968). It is a cell that grows inwardly on the secondary wall of the cell and protrudes into the cytoplasm so that A “wall-membrane” formed by the invagination and folding of the plasma membrane enlarges the specific surface area of the plasma membrane as it protrudes into the cell cavity. There are