A Role of Cytokinin Transporter in Arabidopsis Immunity

文献类型： 外文期刊

第一作者： Wang, Shuai

作者： Wang, Shuai;Wang, Shu;Yang, Leiyun;Zhu, Ying;Hua, Jian;Wang, Shuai;Yuan, Yaping;Sun, Qi;Zhu, Ying;Wang, Shuai;Wang, Shu

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期刊名称：MOLECULAR PLANT-MICROBE INTERACTIONS （ 影响因子：4.171； 五年影响因子：4.836 ）

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收录情况： SCI

摘要： The phytohormone cytokinin (CK) is not only essential for plant growth and development but also impacts plant immunity. A mutant screen in a constitutively active plant immune receptor mutant snc1 (suppressor of npr1, constitutive1) identified a suppressor mutation of SNC1-induced defense responses in an ABC transporter coding gene ABCG14. ABCG14 transports CK from roots to the shoots, and the suppression of the SNC1-mediated defense response by the loss of ABCG14 is due to a deficiency of trans-zeatin (tZ)-type CK in the shoot. In addition, exogenous application of the tZ-type CK enhances disease resistance associated with increased expression of the plant immune receptor gene SNC1. Taken together, this study further established the role of tZ-type CK in disease resistance and suggests a new intersection of CKs with plant immunity at the expression regulation of a plant immune receptor gene.

分类号： Q94

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