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ACTA HORTICULTURAE SINICA ›› 2001, Vol. 28 ›› Issue (3): 256-261.

• 研究报告 • Previous Articles     Next Articles

A Study on the Relationships between Acid Invertase , Sucrose Synthase andSucrose Metabolism in ‘Red Fuji’Apple Fruit

Wang Yongzhang and Zhang Dapeng
  

  1. (Laboratory of Molecular Developmental Biology of Fruit Trees , China Agricultural University , Beijing 100094)
  • Received:1900-01-01 Revised:1900-01-01 Online:2001-06-25 Published:2001-06-25

Abstract: The changes of sugar accumulation and related enzyme activities in sugar metabolism of ‘Red Fuji’apple fruit showed that the activities of soluble and cell wall2bound acid invertase had significant negative correlation with
soluble sugar contents in the early stage of fruit development. However , the activity of sucrose synthase showed a highly positive correlation with sucrose accumulation in the late development stage. It is concluded that the sucrose metabolism in apple fruit may be mainly mediated by acid invertase and sucrose synthase.

Key words: Apple, Fruit, Sugar metabolism, Invertase, Sucrose synthase

CLC Number: