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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erab158
|2 doi
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|a pubmed24n1079.xml
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|a (DE-627)NLM323854362
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|a (NLM)33830198
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
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|a Li, Na
|e verfasserin
|4 aut
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| 245 |
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|a PHYTOCHROME INTERACTING FACTORS PIF4 and PIF5 promote heat stress induced leaf senescence in Arabidopsis
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|c 2021
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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 09.07.2021
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|a Date Revised 31.05.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2021. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Leaf senescence can be triggered by multiple abiotic stresses including darkness, nutrient limitation, salinity, and drought. Recently, heatwaves have been occurring more frequently, and they dramatically affect plant growth and development. However, the underlying molecular networks of heat stress-induced leaf senescence remain largely uncharacterized. Here we showed that PHYTOCHROME INTERACTING FACTOR 4 (PIF4) and PIF5 proteins could efficiently promote heat stress-induced leaf senescence in Arabidopsis. Transcriptomic profiling analysis revealed that PIF4 and PIF5 are likely to function through multiple biological processes including hormone signaling pathways. Further, we characterized NAC019, SAG113, and IAA29 as direct transcriptional targets of PIF4 and PIF5. The transcription of NAC019, SAG113, and IAA29 changes significantly in daytime after heat treatment. In addition, we demonstrated that PIF4 and PIF5 proteins were accumulated during the recovery after heat treatment. Moreover, we showed that heat stress-induced leaf senescence is gated by the circadian clock, and plants might be more actively responsive to heat stress-induced senescence during the day. Taken together, our findings proposed important roles for PIF4 and PIF5 in mediating heat stress-induced leaf senescence, which may help to fully illustrate the molecular network of heat stress-induced leaf senescence in higher plants and facilitate the generation of heat stress-tolerant crops
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Circadian clock
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|a PHYTOCHROME INTERACTING FACTOR 4 (PIF4)
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|a PIF5
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| 650 |
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|a heat stress
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| 650 |
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|a leaf senescence
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| 650 |
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|a transcriptional regulation
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Basic Helix-Loop-Helix Transcription Factors
|2 NLM
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| 650 |
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|a PIF4 protein, Arabidopsis
|2 NLM
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| 650 |
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|a PIF5 protein, Arabidopsis
|2 NLM
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| 650 |
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|a Phytochrome
|2 NLM
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| 650 |
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|a 11121-56-5
|2 NLM
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| 700 |
1 |
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|a Bo, Cunpei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yuanyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Lei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 72(2021), 12 vom: 28. Mai, Seite 4577-4589
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:72
|g year:2021
|g number:12
|g day:28
|g month:05
|g pages:4577-4589
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|u http://dx.doi.org/10.1093/jxb/erab158
|3 Volltext
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