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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erw212
|2 doi
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|a pubmed24n0868.xml
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|a (DE-627)NLM260677817
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|a (NLM)27217548
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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 Velasco-Arroyo, Blanca
|e verfasserin
|4 aut
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| 245 |
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|a HvPap-1 C1A protease actively participates in barley proteolysis mediated by abiotic stresses
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|c 2016
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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 03.11.2017
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|a Date Revised 13.01.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © The Author 2016. 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 Protein breakdown and mobilization from old or stressed tissues to growing and sink organs are some of the metabolic features associated with abiotic/biotic stresses, essential for nutrient recycling. The massive degradation of proteins implies numerous proteolytic events in which cysteine-proteases are the most abundant key players. Analysing the role of barley C1A proteases in response to abiotic stresses is crucial due to their impact on plant growth and grain yield and quality. In this study, dark and nitrogen starvation treatments were selected to induce stress in barley. Results show that C1A proteases participate in the proteolytic processes triggered in leaves by both abiotic treatments, which strongly induce the expression of the HvPap-1 gene encoding a cathepsin F-like protease. Differences in biochemical parameters and C1A gene expression were found when comparing transgenic barley plants overexpressing or silencing the HvPap-1 gene and wild-type dark-treated leaves. These findings associated with morphological changes evidence a lifespan-delayed phenotype of HvPap-1 silenced lines. All these data elucidate on the role of this protease family in response to abiotic stresses and the potential of their biotechnological manipulation to control the timing of plant growth
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Abiotic stress
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|a C1A proteases
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|a barley
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|a cysteine-proteases
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|a darkness
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|a proteolysis
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|a stay-green phenotype.
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|a Cysteine Proteases
|2 NLM
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|a EC 3.4.-
|2 NLM
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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| 700 |
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|a Diaz-Mendoza, Mercedes
|e verfasserin
|4 aut
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|a Gandullo, Jacinto
|e verfasserin
|4 aut
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|a Gonzalez-Melendi, Pablo
|e verfasserin
|4 aut
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|a Santamaria, M Estrella
|e verfasserin
|4 aut
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|a Dominguez-Figueroa, Jose D
|e verfasserin
|4 aut
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|a Hensel, Goetz
|e verfasserin
|4 aut
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| 700 |
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|a Martinez, Manuel
|e verfasserin
|4 aut
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|a Kumlehn, Jochen
|e verfasserin
|4 aut
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|a Diaz, Isabel
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 67(2016), 14 vom: 30. Juli, Seite 4297-310
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:67
|g year:2016
|g number:14
|g day:30
|g month:07
|g pages:4297-310
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|u http://dx.doi.org/10.1093/jxb/erw212
|3 Volltext
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|d 67
|j 2016
|e 14
|b 30
|c 07
|h 4297-310
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