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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erz217
|2 doi
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|a pubmed24n0990.xml
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|a (DE-627)NLM29705788X
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|a (NLM)31086987
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Andrási, Norbert
|e verfasserin
|4 aut
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|a The mitogen-activated protein kinase 4-phosphorylated heat shock factor A4A regulates responses to combined salt and heat stresses
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|c 2019
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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 27.07.2020
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|a Date Revised 28.06.2021
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|a published: Print
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|a ErratumIn: J Exp Bot. 2021 Jul 28;72(15):5781. - PMID 34180987
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|a Citation Status MEDLINE
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|a © The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Heat shock factors regulate responses to high temperature, salinity, water deprivation, or heavy metals. Their function in combinations of stresses is, however, not known. Arabidopsis HEAT SHOCK FACTOR A4A (HSFA4A) was previously reported to regulate responses to salt and oxidative stresses. Here we show, that the HSFA4A gene is induced by salt, elevated temperature, and a combination of these conditions. Fast translocation of HSFA4A tagged with yellow fluorescent protein from cytosol to nuclei takes place in salt-treated cells. HSFA4A can be phosphorylated not only by mitogen-activated protein (MAP) kinases MPK3 and MPK6 but also by MPK4, and Ser309 is the dominant MAP kinase phosphorylation site. In vivo data suggest that HSFA4A can be the substrate of other kinases as well. Changing Ser309 to Asp or Ala alters intramolecular multimerization. Chromatin immunoprecipitation assays confirmed binding of HSFA4A to promoters of target genes encoding the small heat shock protein HSP17.6A and transcription factors WRKY30 and ZAT12. HSFA4A overexpression enhanced tolerance to individually and simultaneously applied heat and salt stresses through reduction of oxidative damage. Our results suggest that this heat shock factor is a component of a complex stress regulatory pathway, connecting upstream signals mediated by MAP kinases MPK3/6 and MPK4 with transcription regulation of a set of stress-induced target genes
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis
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|a MAP kinases
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|a combined stress
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|a heat
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|a heat shock factor A4A
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|a phosphorylation
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|a promoter binding
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|a salinity
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|a transcription regulation
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|a Arabidopsis Proteins
|2 NLM
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|a HSFA4A protein, Arabidopsis
|2 NLM
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|a Transcription Factors
|2 NLM
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|a Sodium Chloride
|2 NLM
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|a 451W47IQ8X
|2 NLM
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| 650 |
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|a AtMPK4 protein, Arabidopsis
|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 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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| 700 |
1 |
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|a Rigó, Gábor
|e verfasserin
|4 aut
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| 700 |
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|a Zsigmond, Laura
|e verfasserin
|4 aut
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|a Pérez-Salamó, Imma
|e verfasserin
|4 aut
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| 700 |
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|a Papdi, Csaba
|e verfasserin
|4 aut
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| 700 |
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|a Klement, Eva
|e verfasserin
|4 aut
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|a Pettkó-Szandtner, Aladár
|e verfasserin
|4 aut
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| 700 |
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|a Baba, Abu Imran
|e verfasserin
|4 aut
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| 700 |
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|a Ayaydin, Ferhan
|e verfasserin
|4 aut
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| 700 |
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|a Dasari, Ramakrishna
|e verfasserin
|4 aut
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|a Cséplő, Ágnes
|e verfasserin
|4 aut
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| 700 |
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|a Szabados, László
|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 70(2019), 18 vom: 24. Sept., Seite 4903-4918
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:70
|g year:2019
|g number:18
|g day:24
|g month:09
|g pages:4903-4918
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|u http://dx.doi.org/10.1093/jxb/erz217
|3 Volltext
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|d 70
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|h 4903-4918
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