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A Clathrin-Related Protein, SCD2/RRP1, Participates in Abscisic Acid Signaling inArabidopsis | |
Hou, Bingzhu1; Shen, Yuanyue | |
2020 | |
发表期刊 | FRONTIERS IN PLANT SCIENCE |
ISSN | 1664-462X |
卷号 | 11 |
摘要 | Abscisic acid (ABA) plays important roles in many aspects of plant growth and development, and responses to diverse stresses. Although much progress has been made in understanding the molecular mechanisms of ABA homoeostasis and signaling, the mechanism by which plant cells integrate ABA trafficking and signaling to regulate plant developmental processes is poorly understood. In this study, we usedArabidopsis STOMATAL CYTOKINESIS DEFECTIVE 2/RIPENING-REGULATED PROTEIN 1(SCD2/RRP1) mutants and overexpression plants, in combination with transcriptome and protein-interaction assays, to investigate SCD2/RRP1 involvement in the integration of ABA trafficking and signaling in seed germination and seedling growth. Manipulation ofSCD2/RRP1expression affected ABA sensitivity in seed germination and seedling growth, as well as transcription of several ABA transporter genes and ABA content. RNA-sequencing analysis ofArabidopsistransgenic mutants suggested that SCD2/RRP1 was associated with ABA signalingviaa type 2C protein phosphatase (PP2C) protein. The N- and C-terminal regions of SCD2/RRP1 separately interacted with both PYRABACTIN RESISTANCE 1 (PYR1) and ABA INSENSITIVE 1 (ABI1) on the plasma membrane, and SCD2/RRP1 acted genetically upstream of ABI1. Interestingly, ABA inhibited the interaction of SCD2/RRP1 with ABI1, but did not affect the interaction of SCD2/RRP1 with PYR1. These results suggested that inArabidopsisSCD2/RRP1participates in early seed development and growth potentially through clathrin-mediated endocytosis- and clathrin-coated vesicle-mediated ABA trafficking and signaling. These findings provide insight into the mechanism by which cells regulate plant developmental processes through ABA. |
关键词 | Arabidopsis seed germination seedling growth abscisic acid SCD2 RRP1 PYR1 ABI1 |
学科领域 | Plant Sciences |
DOI | 10.3389/fpls.2020.00892 |
收录类别 | SCI |
语种 | 英语 |
WOS关键词 | CHELATASE H-SUBUNIT ; CELL EXPANSION ; ABA ; BIOSYNTHESIS ; TRANSPORTER ; CYTOKINESIS ; HOMEOSTASIS ; ENDOCYTOSIS ; RECEPTOR ; PATHWAY |
WOS研究方向 | Plant Sciences |
WOS记录号 | WOS:000546815300001 |
出版者 | FRONTIERS MEDIA SA |
文献子类 | Article |
出版地 | LAUSANNE |
资助机构 | China National Science FoundationNational Natural Science Foundation of China (NSFC) [31672125] ; National Key Research and Development Program [2018YFD1000200] ; Beijing Natural Science FoundationBeijing Natural Science Foundation [6171001] ; Sichuan Lomon Biotechnology Co. Ltd [2018001] |
作者邮箱 | sfmn@tom.com |
作品OA属性 | Green Published, gold |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ibcas.ac.cn/handle/2S10CLM1/21687 |
专题 | 中科院植物分子生理学重点实验室 |
作者单位 | 1.Beijing Univ Agr, Coll Plant Sci & Technol, Beijing Key Lab Agr Applicat & New Tech, Beijing, Peoples R China 2.Chinese Acad Sci, Inst Bot, Key Lab Plant Mol Physiol, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Hou, Bingzhu,Shen, Yuanyue. A Clathrin-Related Protein, SCD2/RRP1, Participates in Abscisic Acid Signaling inArabidopsis[J]. FRONTIERS IN PLANT SCIENCE,2020,11. |
APA | Hou, Bingzhu,&Shen, Yuanyue.(2020).A Clathrin-Related Protein, SCD2/RRP1, Participates in Abscisic Acid Signaling inArabidopsis.FRONTIERS IN PLANT SCIENCE,11. |
MLA | Hou, Bingzhu,et al."A Clathrin-Related Protein, SCD2/RRP1, Participates in Abscisic Acid Signaling inArabidopsis".FRONTIERS IN PLANT SCIENCE 11(2020). |
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