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240609s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108782
|2 doi
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|a pubmed24n1474.xml
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|a (DE-627)NLM37338887X
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|a (NLM)38850728
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|a (PII)S0981-9428(24)00450-9
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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 |
1 |
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|a Shen, Yuxiao
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Identification of PP2Cs in six rosaceae species highlights RcPP2C24 as a negative regulator in rose drought tolerance
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|c 2024
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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 16.06.2024
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|a Date Revised 17.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 The Authors. Published by Elsevier Masson SAS.. All rights reserved.
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|a Drought is a major environmental stress that limits plant growth, so it's important to identify drought-responsive genes to understand the mechanism of drought response and breed drought-tolerant roses. Protein phosphatase 2C (PP2C) plays a crucial role in plant abiotic stress response. In this study, we identified 412 putative PP2Cs from six Rosaceae species. These genes were divided into twelve clades, with clade A containing the largest number of PP2Cs (14.1%). Clade A PP2Cs are known for their important role in ABA-mediated drought stress response; therefore, the analysis focused on these specific genes. Conserved motif analysis revealed that clade A PP2Cs in these six Rosaceae species shared conserved C-terminal catalytic domains. Collinearity analysis indicated that segmental duplication events played a significant role in the evolution of clade A PP2Cs in Rosaceae. Analysis of the expression of 11 clade A RcPP2Cs showed that approximately 60% of these genes responded to drought, high temperature, and salt stress. Among them, RcPP2C24 exhibited the highest responsiveness to both drought and ABA. Furthermore, overexpression of RcPP2C24 significantly reduced drought tolerance in transgenic tobacco by increasing stomatal aperture after exposure to drought stress. The transient overexpression of RcPP2C24 weakened the dehydration tolerance of rose petal discs, while its silencing increased their dehydration tolerance. In summary, our study identified PP2Cs in six Rosaceae species and highlighted the negative role of RcPP2C24 on rose's drought tolerance by inhibiting stomatal closure. Our findings provide valuable insights into understanding the mechanism behind rose's response to drought
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|a Journal Article
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|a Drought
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|a Protein phosphatase 2C (PP2C)
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|a RcPP2C24
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|a Rose (Rosa chinensis)
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|a Stomatal closure
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|a Abscisic Acid
|2 NLM
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| 650 |
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|a 72S9A8J5GW
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Protein Phosphatase 2C
|2 NLM
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| 650 |
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|a EC 3.1.3.16
|2 NLM
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| 700 |
1 |
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|a Zou, Jinyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Qian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shang, Wenqian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Tianxiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Liyun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Zheng
|e verfasserin
|4 aut
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| 700 |
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|a Li, Yonghua
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 212(2024) vom: 01. Juli, Seite 108782
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:212
|g year:2024
|g day:01
|g month:07
|g pages:108782
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108782
|3 Volltext
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