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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erv453
|2 doi
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|a pubmed24n0845.xml
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|a (DE-627)NLM253654491
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|a (NLM)26463995
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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 |
1 |
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|a Opitz, Nina
|e verfasserin
|4 aut
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|a Extensive tissue-specific transcriptomic plasticity in maize primary roots upon water deficit
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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 02.11.2016
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|a Date Revised 13.11.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Water deficit is the most important environmental constraint severely limiting global crop growth and productivity. This study investigated early transcriptome changes in maize (Zea mays L.) primary root tissues in response to moderate water deficit conditions by RNA-Sequencing. Differential gene expression analyses revealed a high degree of plasticity of the water deficit response. The activity status of genes (active/inactive) was determined by a Bayesian hierarchical model. In total, 70% of expressed genes were constitutively active in all tissues. In contrast, <3% (50 genes) of water deficit-responsive genes (1915) were consistently regulated in all tissues, while >75% (1501 genes) were specifically regulated in a single root tissue. Water deficit-responsive genes were most numerous in the cortex of the mature root zone and in the elongation zone. The most prominent functional categories among differentially expressed genes in all tissues were 'transcriptional regulation' and 'hormone metabolism', indicating global reprogramming of cellular metabolism as an adaptation to water deficit. Additionally, the most significant transcriptomic changes in the root tip were associated with cell wall reorganization, leading to continued root growth despite water deficit conditions. This study provides insight into tissue-specific water deficit responses and will be a resource for future genetic analyses and breeding strategies to develop more drought-tolerant maize cultivars
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Drought
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|a RNA-Sequencing (RNA-Seq)
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|a expression pattern
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|a low water potential
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|a maize
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|a primary root
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|a tissue specificity
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|a transcriptome
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|a water deficit.
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|a Plant Proteins
|2 NLM
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| 650 |
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|a RNA, Plant
|2 NLM
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| 650 |
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 700 |
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|a Marcon, Caroline
|e verfasserin
|4 aut
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| 700 |
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|a Paschold, Anja
|e verfasserin
|4 aut
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| 700 |
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|a Malik, Waqas Ahmed
|e verfasserin
|4 aut
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| 700 |
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|a Lithio, Andrew
|e verfasserin
|4 aut
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| 700 |
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|a Brandt, Ronny
|e verfasserin
|4 aut
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| 700 |
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|a Piepho, Hans-Peter
|e verfasserin
|4 aut
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|a Nettleton, Dan
|e verfasserin
|4 aut
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|a Hochholdinger, Frank
|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), 4 vom: 13. Feb., Seite 1095-107
|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:4
|g day:13
|g month:02
|g pages:1095-107
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|u http://dx.doi.org/10.1093/jxb/erv453
|3 Volltext
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|h 1095-107
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