IB-CAS  > 中科院光生物学重点实验室
A Kinase-Phosphatase-Transcription Factor Module Regulates Adventitious Root Emergence in Arabidopsis Root-Hypocotyl Junctions
Bai, Zechen1; Zhang, Jing1; Ning, Xin1; Guo, Hailong; Xu, Xiumei; Huang, Xiahe2; Wang, Yingchun2; Hu, Zhubing3; Lu, Congming4; Zhang, Lixin3; Chi, Wei1,5
2020
Source PublicationMOLECULAR PLANT
ISSN1674-2052
Volume13Issue:8Pages:1162-1177
AbstractAdventitious roots form from non-root tissues as part of normal development or in response to stress or wounding. The root primordia form in the source tissue, and during emergence the adventitious roots penetrate the inner cell layers and the epidermis; however, the mechanisms underlying this emergence remain largely unexplored. Here, we report that a regulatory module composed of the AP2/ERF transcription factor ABSCISIC ACID INSENSITIVE 4 (ABI4), the MAP kinases MPK3 and MPK6, and the phosphatase PP2C12 plays an important role in the emergence of junction adventitious roots (J-ARs) from the root-hypocotyl junctions in Arabidopsis thaliana. ABI4 negatively regulates J-AR emergence, preventing the accumulation of reactive oxygen species and death of epidermal cells, which would otherwise facilitate J-AR emergence. Phosphorylation by MPK3/MPK6 activates ABI4 and dephosphorylation by PP2C12 inactivates ABI4. MPK3/MPK6 also directly phosphorylate and inactivate PP2C12 during J-AR emergence. We propose that this double-check mechanism increases the robustness of MAP kinase signaling and finely regulates the local programmed cell death required for J-AR emergence.
KeywordABI4 MPK3/MPK6 PP2C12 adventitious root root-hypocotyl junction PCD
Subject AreaBiochemistry & Molecular Biology ; Plant Sciences
DOI10.1016/j.molp.2020.06.002
Indexed BySCI
Language英语
WOS KeywordLATERAL ROOT ; ABSCISIC-ACID ; PROTEIN PHOSPHATASES ; CELL ; SPECIFICITY ; AUXIN ; ABI4 ; STRESS ; PHOSPHORYLATION
WOS Research AreaBiochemistry & Molecular Biology ; Plant Sciences
WOS IDWOS:000557422800014
PublisherCELL PRESS
SubtypeArticle
Publication PlaceCAMBRIDGE
EISSN1752-9867
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA24010203-4] ; Ministry of Agriculture of ChinaMinistry of Agriculture, China [2016ZX08009003-005]
Corresponding Author Emailchiweimr@ibcas.ac.cn
OABronze
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/21638
Collection中科院光生物学重点实验室
Affiliation1.Chinese Acad Sci, Photosynth Res Ctr, Inst Bot, Key Lab Photobiol, Nanxincun 20, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Genet & Dev Biol, State Key Lab Mol Dev Biol, Beijing 100101, Peoples R China
4.Henan Univ, Sch Life Sci, State Key Lab Crop Stress Adaptat & Improvement, 85 Minglun St, Kaifeng 475001, Peoples R China
5.Shandong Agr Univ, Coll Life Sci, State Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China
6.Chinese Acad Sci, Innovat Acad Seed Design, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Bai, Zechen,Zhang, Jing,Ning, Xin,et al. A Kinase-Phosphatase-Transcription Factor Module Regulates Adventitious Root Emergence in Arabidopsis Root-Hypocotyl Junctions[J]. MOLECULAR PLANT,2020,13(8):1162-1177.
APA Bai, Zechen.,Zhang, Jing.,Ning, Xin.,Guo, Hailong.,Xu, Xiumei.,...&Chi, Wei.(2020).A Kinase-Phosphatase-Transcription Factor Module Regulates Adventitious Root Emergence in Arabidopsis Root-Hypocotyl Junctions.MOLECULAR PLANT,13(8),1162-1177.
MLA Bai, Zechen,et al."A Kinase-Phosphatase-Transcription Factor Module Regulates Adventitious Root Emergence in Arabidopsis Root-Hypocotyl Junctions".MOLECULAR PLANT 13.8(2020):1162-1177.
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