J Integr Plant Biol. ›› 1996, Vol. 38 ›› Issue (12): -.

• Research Articles •    

Ultrastructural Localization of Acid Phosphatase Activity in Soybean Cotyledon Cells

Zheng Yi-zhi, Li Jing, Gao Yang and Tong De-juan   

Abstract: In the cotyledon cells of the developing seeds (35~50 d after flowering) and the early germinating seeds (4 ~ 8 d after sowing) of soybean (Glycine max L. ), acid phosphatase (APase) activity was mainly deposited in the protein bodies (PB) and in endoplasmic reticulum (ER). In addition, in the early developing cotylendon cells, the prominent reaction product of APase activity was seen along the plasma membrane, in the cell wall and within the vesicles in the cytoplasm adjancent to the plasma membrane. And some of the vesicles seemed to be fused with the plasma membrane.

Key words: Soybean, Acid phosphatase, Ultrastructural localization, Cotyledon

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