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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19072
|2 doi
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|a pubmed24n1452.xml
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|a (DE-627)NLM358241790
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|a (NLM)37322592
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Song, Jianing
|e verfasserin
|4 aut
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| 245 |
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|a SlMPK1- and SlMPK2-mediated SlBBX17 phosphorylation positively regulates CBF-dependent cold tolerance in tomato
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 03.08.2023
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|a Date Revised 26.06.2024
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|a published: Print-Electronic
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|a ErratumIn: New Phytol. 2024 Jun 24. doi: 10.1111/nph.19936. - PMID 38922925
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|a Citation Status MEDLINE
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|a © 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation.
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|a B-box (BBX) proteins are an important class of zinc finger transcription factors that play a critical role in plant growth and stress response. However, the mechanisms of how BBX proteins participate in the cold response in tomato remain unclear. Here, using approaches of reverse genetics, biochemical and molecular biology we characterized a BBX transcription factor, SlBBX17, which positively regulates cold tolerance in tomato (Solanum lycopersicum). Overexpressing SlBBX17 enhanced C-repeat binding factor (CBF)-dependent cold tolerance in tomato plants, whereas silencing SlBBX17 increased plant susceptibility to cold stress. Crucially, the positive role of SlBBX17 in CBF-dependent cold tolerance was dependent on ELONGATED HYPOCOTYL5 (HY5). SlBBX17 physically interacted with SlHY5 to directly promote the protein stability of SlHY5 and subsequently increased the transcriptional activity of SlHY5 on SlCBF genes under cold stress. Further experiments showed that cold-activated mitogen-activated protein kinases, SlMPK1 and SlMPK2, also physically interact with and phosphorylate SlBBX17 to enhance the interaction between SlBBX17 and SlHY5, leading to enhanced CBF-dependent cold tolerance. Collectively, the study unveiled a mechanistic framework by which SlMPK1/2-SlBBX17-SlHY5 regulated transcription of SlCBFs to enhance cold tolerance, thereby shedding light on the molecular mechanisms of how plants respond to cold stress via multiple transcription factors
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a B-box protein
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|a C-repeat binding factor
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|a HY5
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|a MAPK
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|a cold stress
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|a phosphorylation
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|a protein-protein interaction
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|a transcription factor
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|a Transcription Factors
|2 NLM
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| 650 |
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|a Mitogen-Activated Protein Kinases
|2 NLM
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| 650 |
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|a EC 2.7.11.24
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 700 |
1 |
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|a Lin, Rui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tang, Mingjia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Lingyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan, Pengxiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xia, Xiaojian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Jingquan
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Yanhong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 239(2023), 5 vom: 13. Sept., Seite 1887-1902
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:239
|g year:2023
|g number:5
|g day:13
|g month:09
|g pages:1887-1902
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| 856 |
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|u http://dx.doi.org/10.1111/nph.19072
|3 Volltext
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|d 239
|j 2023
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|c 09
|h 1887-1902
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