草莓和番茄果实乙烯自我催化与Ca2+-CaM 的关系

园艺学报 ›› 2003, Vol. 30 ›› Issue (03): 263-266.

草莓和番茄果实乙烯自我催化与Ca²⁺-CaM 的关系

顾采琴^1,2;席屿芳¹; 关军锋²;李广敏²

( 浙江大学生物系统工程与食品科学学院食品系，杭州310029；河北省农林科学院遗传生理研究所，石家庄 050051)

收稿日期:2002-11-08 修回日期:2003-03-19 出版日期:2003-06-25 发布日期:2003-06-25

The Relationship between Ca²⁺-CaM and Ethylene Autocatalysis in Strawberryand Tomato Fruit

Gu Caiqin^1,2;Xi Yufang¹;Guan Junfeng²;Li Guangmin²

( ¹College of Bio-systems Engineering and Food Science，Zhejiang University，Hanghou 310029,China;²Institute of Genetics and Physiology，Hebei Academy of Agriculture and Forestry Sciences，Shijiazhuang 050051，China)

Received:2002-11-08 Revised:2003-03-19 Online:2003-06-25 Published:2003-06-25

摘要/Abstract

摘要：

外源乙烯处理乳白期草莓和绿熟期番茄果实12 h后，诱导草莓乙烯大量合成，使番茄乙烯释
放高峰提前2 d出现，同时还促进两种果实的钙调素(Calmodulin，CaM)含量增加。细胞质膜钙离子通道阻塞剂异搏定(Verapamil，Vp)、钙调素拮抗剂氯丙嗪(Chloropromaize，CPZ)和三氟拉嗪(Trifluoperazine，TFP)均抑制了外源乙烯诱导的草莓乙烯合成，表明Ca²⁺-CaM 信使系统可能参与草莓乙烯自我催化作用；Vp抑制外源乙烯诱导的番茄乙烯合成，而CPZ和TFP的作用不显著，说明番茄果实乙烯自我催化作用与胞外Ca²⁺内流有关，与CaM的关系不明显。

关键词: 乙烯, 草莓, 番茄, 果实, 贮藏, Ca²⁺-CaM信使系统

Abstract:

Strawberry and tomato fruits harvested at white and green mature stages respectively were investigated in relation to ethylene production rates and calmodulin (CaM) contents．The fruits were treated for 12 h with exogenous ethylene in combination with verapamil (Vp) or chloropmmaize (CPZ) and trifluoperazine (TFP)，and then removed from the ethylene for strawberry．The results showed that exogenous ethylene could increase ethylene production of strawberry by420%-73% and resulted in a peak of ethylene production of toma to fruit with 2 days in advance. Ethylene also increased the CaM contents in both fruits. Vp,CPZ and TFP restrained the ethylene production in strawberry fruit when ethylene applied to the fruit，which indicated that Ca²⁺-CaM signal

system maybe involved in ethylene autocatalysis. Vp,but CPZ and TFP， can inhibited the ethylene autocatalysis of tomato fruit，which suggesting that，in contrast to strawberry，ethylene autoeatalysis of the fruit was related to

Ca²⁺ influx from the extracellular space， but to CaM ．

Key words: COLOR: black, FONT-FAMILY: 宋体, mso-hansi-font-family: 'Times New Roman', mso-bidi-font-family: 宋体, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA">Ethylene, Strawberry, Tomato, Fruit, Storage, Ca²⁺-CaM message system

中图分类号:

顾采琴;席屿芳;关军锋;李广敏. 草莓和番茄果实乙烯自我催化与Ca²⁺-CaM 的关系[J]. 园艺学报, 2003, 30(03): 263-266.

Gu Caiqin;Xi Yufang;Guan Junfeng;Li Guangmin. The Relationship between Ca²⁺-CaM and Ethylene Autocatalysis in Strawberryand Tomato Fruit[J]. ACTA HORTICULTURAE SINICA, 2003, 30(03): 263-266.

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草莓和番茄果实乙烯自我催化与Ca²⁺-CaM 的关系

The Relationship between Ca²⁺-CaM and Ethylene Autocatalysis in Strawberryand Tomato Fruit

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