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Ethylene signaling in rice
  • ISSN号:1001-6538
  • 期刊名称:科学通报(英文版)
  • 时间:2010.7.7
  • 页码:2204-2210
  • 分类:Q257[生物学—细胞生物学] S641.2[农业科学—蔬菜学;农业科学—园艺学]
  • 作者机构:[1]Plant Gene Research Center, National Key Lab of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
  • 相关基金:We thank Mr. LEI Gang for assistance in preparation of the manuscript. This work was supported by the National Natural Science Foundation of China (90717005 and 30925006).
  • 相关项目:植物学
中文摘要:

乙烯在植物调整到环境压力的生长,开发和回答的许多方面。它的发信号的小径在模型被建立了双子叶的植物 Arabidopsis。然而,它在 monocotyledous 米饭植物的角色和信号 transduction 仍然保持大部分未知。在这评论,我们在表明研究的米饭乙烯总结当前的进展并且从 Arabidopsis 和另外的植物把这些与结果作比较。大多数在表明小径的 Arabidopsis 乙烯的对那些相应的部件在米饭被发现了,包括五乙烯受体, OsEIN2, OsEIL1,和 OsERFs。瑞斯乙烯受体是机能上地比 Arabidopsis 的更分叉。OsEIN2 和 OsEIL1 显示与他们的 Arabidopsis orthologs 相比在米饭乙烯回答的规定限制了角色。象小块土地一样蛋白质 OsERF1 和 OsEBP-89 看起来涉及米饭乙烯发信号。然而,他们是否通过 OsEIN2 和调停 OsEIL1 的小径被激活,需要进一步的研究。给那米饭使用乙烯控制不在 Arabidopsis,看起来新的部件或新机制存在的许多过程可以在米饭乙烯发信号存在小径。

英文摘要:

Ethylene regulates many aspects of growth, development and responses to environmental stresses in plants. Its signaling pathway has been established in model dicotyledonous plant Arabidopsis. However, its roles and signal transduction in monocotyledous rice plant remain largely unknown. In this review, we summarize the current advances in rice ethylene signaling studies and compare these with the results from Arabidopsis and other plants. Most of the components homologous to those in Arabidopsis ethylene signaling pathway have been found in rice, including five ethylene receptors, OsEIN2, OsEIL1, and OsERFs. Rice ethylene receptors are functionally more divergent than that ofArabidopsis. OsEIN2 and OsEIL1 display limited roles in regulation of rice ethylene responses compared with their Arabidopsis orthologs. ERF-like proteins OsERF1 and OsEBP-89 appear to be involved in rice ethylene signaling. However, whether they are activated through OsEIN2 and OsEILl-mediated pathway needs further studies. Given that rice uses ethylene to control many processes that do not exist in Arabidopsis, it seems that new components or new mechanisms may exist in rice ethylene signaling pathway.

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