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Identification of gravity-related esterases (grEST1 and grEST2) in carrot callus cells

Cai Weiming, Guan Peizhu, Zhao Wei, Yin Jun, Fei Chikun

Shanghai Institute of Plant Physiology,Chinese Academy of Sciences.Shanghai 200032

Abstract

We suggest that the effect of simulated microgravity conditions on grEST1 and grEST2 activities in carrot callus cells is through affecting their synthesis. In addition, the activities of grEST1 and grEST2 were not inhibited by eserine, acetylcholine iodide, diisopropyl fluorophosphate and p-chloromercuribenzoate, which indicates that they are acetylesterases.

Key words: Carrot;Estezase;Acetylesterase;Microgravity;Clinostat

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Citing This Article：

Cai Weiming, Guan Peizhu, Zhao Wei, Yin Jun, Fei Chikun. Identification of gravity-related esterases (grEST1 and grEST2) in carrot callus cells. Acta Physiol Sin 1998; 50 (4): (in Chinese with English abstract).