Characters of Postharvest Physiology of Antisense LeETR1 Transgenic TomatoFruits

ACTA HORTICULTURAE SINICA ›› 2003, Vol. 30 ›› Issue (4): 404-408.

• 研究论文 • Previous Articles Next Articles

Characters of Postharvest Physiology of Antisense LeETR1 Transgenic TomatoFruits

Yang Huqing ，Ying Tiejin ，Xiang Qingning2，and Du Rongmao

( Department ofFood Science and Nutrition，Zhejiang Unirersity，Hom~hou 310029，University，Hangzhou 310029， China)

Received:1900-01-01 Revised:1900-01-01 Online:2003-08-25 Published:2003-08-25

Abstract

Abstract: In this paper we studied the post—harvest physiology of antisense LeETR 1 transgenic tomato fruits． Respiratory rate of transgenic fruits was significantly lower than contro1． Ethylene production peak of transgenic fruits appeared 10 d after contro1． Chlorophyll degration an d lycopene biosynthesis Was inhibited in transgenic fruits．After 30 days in normal room，transgenic tomatos eventually developed an orange colour but never turned red．During the course of ripening，cellulase and pely~ acturonase activity of transgenie fruits wel'B signitieantly lower than control and the firmness of transgenic fruits declined more slowly．These datas suggest that LeETR1 Was closely correlated with the ripe ning of tomato fruits．

Key words: Tomato, Transgenic, Ethylene, Ripening, Pignent

CLC Number:

S 641．2

Yang Huqing;Ying Tiejin;Xiang Qingning;and Du Rongmao. Characters of Postharvest Physiology of Antisense LeETR1 Transgenic TomatoFruits[J]. ACTA HORTICULTURAE SINICA, 2003, 30(4): 404-408.

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Characters of Postharvest Physiology of Antisense LeETR1 Transgenic TomatoFruits

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