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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erad265
|2 doi
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|a pubmed24n1482.xml
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|a (DE-627)NLM359239137
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|a (NLM)37422862
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|a DE-627
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|a eng
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|a Bianchimano, Luciana
|e verfasserin
|4 aut
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|a Temperature regulation of auxin-related gene expression and its implications for plant growth
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 04.12.2023
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|a Date Revised 26.07.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2023. 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 Twenty-five years ago, a seminal paper demonstrated that warm temperatures increase auxin levels to promote hypocotyl growth in Arabidopsis thaliana. Here we highlight recent advances in auxin-mediated thermomorphogenesis and identify unanswered questions. In the warmth, PHYTOCHROME INTERACTING FACTOR 4 (PIF4) and PIF7 bind the YUCCA8 gene promoter and, in concert with histone modifications, enhance its expression to increase auxin synthesis in the cotyledons. Once transported to the hypocotyl, auxin promotes cell elongation. The meta-analysis of expression of auxin-related genes in seedlings exposed to temperatures ranging from cold to hot shows complex patterns of response. Changes in auxin only partially account for these responses. The expression of many SMALL AUXIN UP RNA (SAUR) genes reaches a maximum in the warmth, decreasing towards both temperature extremes in correlation with the rate of hypocotyl growth. Warm temperatures enhance primary root growth, the response requires auxin, and the hormone levels increase in the root tip but the impacts on cell division and cell expansion are not clear. A deeper understanding of auxin-mediated temperature control of plant architecture is necessary to face the challenge of global warming
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|a Meta-Analysis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Auxin
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|a hypocotyl growth
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|a leaf hyponasty
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|a meta-analysis
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|a root growth
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|a temperature and gene expression
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|a thermomorphogenesis
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|a Arabidopsis Proteins
|2 NLM
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|a Indoleacetic Acids
|2 NLM
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|a Basic Helix-Loop-Helix Transcription Factors
|2 NLM
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| 650 |
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|a PIF7 protein, Arabidopsis
|2 NLM
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| 650 |
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|a DNA-Binding Proteins
|2 NLM
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| 700 |
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|a De Luca, María Belén
|e verfasserin
|4 aut
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|a Borniego, María Belén
|e verfasserin
|4 aut
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|a Iglesias, María José
|e verfasserin
|4 aut
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| 700 |
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|a Casal, Jorge J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 74(2023), 22 vom: 01. Dez., Seite 7015-7033
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:74
|g year:2023
|g number:22
|g day:01
|g month:12
|g pages:7015-7033
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|u http://dx.doi.org/10.1093/jxb/erad265
|3 Volltext
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