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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2020.110584
|2 doi
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|a pubmed24n1044.xml
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|a (DE-627)NLM313461171
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|a (NLM)32771144
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|a (PII)S0168-9452(20)30190-4
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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 He, Zhenyu
|e verfasserin
|4 aut
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|a The phytochrome-interacting transcription factor CsPIF8 contributes to cold tolerance in citrus by regulating superoxide dismutase expression
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|c 2020
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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
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|2 rdacarrier
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|a Date Completed 02.03.2021
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier B.V. All rights reserved.
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|a As one of the subtropical and tropical fruit trees, Citrus sinensis is sensitive to cold stress. However, most transcription factors (TFs) that regulate cold tolerance in citrus have not yet been reported. A phytochrome-interacting transcription factor (PIF) gene (CsPIF8) in citrus was significantly upregulated under cold stress. Overexpression of CsPIF8 increased cold tolerance in transgenic tomato plants and grapefruit callus, whereas virus-induced gene silencing-mediated suppression of PIF8 increased cold sensitivity in seedlings of Poncirus trifoliata. Superoxide dismutase (SOD) reduces the superoxide anion (O2-) level to enhance cold tolerance in plants. Chromatin immunoprecipitation combined with high-throughput sequencing, yeast one hybrid, electrophoretic mobility shift and dual luciferase assays showed that CsPIF8 directly bound the E-box (CANNTG) of CsSOD promoter and activated the promoter of CsSOD. Furthermore, the expression level of CsSOD and CsSOD activity were significantly increased, whereas the level of O2- was significantly reduced in the transgenic lines. The Poncirus trifoliata seedlings with VIGS-mediated suppression of PIF8 exhibited the opposite effects. These results have shown that CsPIF8 improved cold tolerance in citrus through regulating the expression level of SOD and SOD activity. These findings may provide novel insights into the regulation of PIF8 in the response to cold stress in citrus
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|a Journal Article
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|a Citrus sinensis
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|a Cold tolerance
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|a Phytochrome-interacting transcription factor
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|a Superoxide dismutase
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|a Transcriptional regulation
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|a Plant Proteins
|2 NLM
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|a Transcription Factors
|2 NLM
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|a Superoxide Dismutase
|2 NLM
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| 650 |
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|a EC 1.15.1.1
|2 NLM
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| 700 |
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|a Zhao, Tiantian
|e verfasserin
|4 aut
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|a Yin, Zhaoping
|e verfasserin
|4 aut
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|a Liu, Jihong
|e verfasserin
|4 aut
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|a Cheng, Yunjiang
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Juan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 298(2020) vom: 08. Sept., Seite 110584
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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|g volume:298
|g year:2020
|g day:08
|g month:09
|g pages:110584
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|u http://dx.doi.org/10.1016/j.plantsci.2020.110584
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