J Integr Plant Biol. ›› 1990, Vol. 32 ›› Issue (4): -.

• Research Articles •    

The Changes of H+-ATPase During the Mitochondrial Development of Pea Cotyledon

Wang Fei-lan and Liu Cun-de   

Abstract: Electron microscopic observation indicated that the mitochondrial membrane of pea cotyledon gradually developed into integral structure during seeds imbibition. ATP-synthesizing activity of H+-ATPase increased in company with mitochondrial development, but the content of F1-ATPase subunits was not different on the mitochondria of cotyledon imbibed for 6 hours and for 24 hours in water. After cotyledon was imbibed at low temperature, the content of γ and β subunits of F1-ATPase was distinctly reduced with the inhibition of H+-ATPase activity.

Key words: Pea, Cotyledon, Mitoch0ndria, Development, H+-ATPase, F1-ATPase

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