| 植物中XRN家族的研究进展 |
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| 引用本文： | 刘俊江,李正国,杨迎伍.植物中XRN家族的研究进展[J].热带亚热带植物学报,2011,19(5):483-490. |
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| 作者姓名： | 刘俊江 李正国 杨迎伍 |
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| 作者单位： | 重庆大学生物工程学院基因工程研究中心;重庆市高校功能基因与调控新技术重点实验室,重庆400030 |
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| 基金项目： | 国家自然科学基金项目(30972002, 31071798);中央高校基本科研业务费项目(CDJXS102300)资助 |
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| 摘 要： | XRN家族是一类5′-3′核酸外切酶家族,主要参与rRNA的成熟加工以及特异mRNA的降解过程,在动物、植物以及微生物的生长发育过程中起着重要的作用.对XRN家族在植物生长发育过程中的功能进行了综述,XRN家族在植物中主要参与rRNA加工过程、miRNA途径、外源mRNA降解过程以及乙烯信号通路.
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| 关 键 词： | XRN家族 rRNA加工 mRNA降解 PTGS 乙烯信号通路 |
| 收稿时间： | 2011/3/11 0:00:00 |
| 修稿时间： | 2011/4/24 0:00:00 |
Progress on the Function of XRN Family in Plants |
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| LIU Jun-jiang,LI Zheng-guo and YANG Ying-wu.Progress on the Function of XRN Family in Plants[J].Journal of Tropical and Subtropical Botany,2011,19(5):483-490. |
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| Authors: | LIU Jun-jiang LI Zheng-guo and YANG Ying-wu |
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| Institution: | Genetic Engineering Research Center, Bio -engineering College, Chongqing University, Key Laboratory of Functional Gene and New Regulation Technologies under Chongqing Municipal Education Commission, China;Genetic Engineering Research Center, Bio -engineering College, Chongqing University, Key Laboratory of Functional Gene and New Regulation Technologies under Chongqing Municipal Education Commission, China;Genetic Engineering Research Center, Bio -engineering College, Chongqing University, Key Laboratory of Functional Gene and New Regulation Technologies under Chongqing Municipal Education Commission, China |
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| Abstract: | XRN protein family, a kind of 5'-to-3'exoribonuclease,mainly participate in processes of pre-rRNAs and degradation of mRNAs, plays important role in the growth and development of animals, plants and microorganisms. The recent progresses of function of XRN family during plant developmental stages were reviewed. XRN family in plants involves in the processing of rRNA, miRNA pathway, degradation of exogenous mRNAs and ethylene signal pathway. |
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