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231223s2011 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2010.07.001
|2 doi
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|a pubmed24n0667.xml
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|a (NLM)20674078
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Purdy, Sarah J
|e verfasserin
|4 aut
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|a A nuclear-localized protein, KOLD SENSITIV-1, affects the expression of cold-responsive genes during prolonged chilling in Arabidopsis
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|c 2011
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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 20.04.2011
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2010 Elsevier GmbH. All rights reserved.
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|a Plants respond to cold by transcriptional and metabolic responses which underlie tolerance and acclimation mechanisms, but details at the molecular level are incomplete. Here we describe KOLD SENSITIV-1 (KOS1), a new gene required for responses to cold. KOS1 protein is predicted to have coiled-coil, Structural Maintenance of Chromosomes and nuclear-targeting domains. GFP-labeled KOS1 localizes to the nucleus. Null mutants could not be isolated but two independent knockdown T-DNA mutants were obtained. Growth and development of kos1 knockdown mutant plants was comparable to wild type when grown at 21°C. However, when grown at 4°C these mutants exhibited accelerated leaf yellowing and smaller rosette size than wild type. Quantitative RT-PCR revealed that in the cold kos1 mutants had reduced expression of cold-responsive transcripts COR15A, COR15B, BAM3 and AMY3. Metabolite profiling revealed that ascorbate levels were lower in the mutants in the cold relative to wild type. KOS1 therefore represents a new gene that influences the regulation of transcript and metabolite levels in response to prolonged chilling temperatures
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Nuclear Proteins
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Starch
|2 NLM
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|a 9005-25-8
|2 NLM
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|a Ascorbic Acid
|2 NLM
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|a PQ6CK8PD0R
|2 NLM
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| 700 |
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|a Bussell, John D
|e verfasserin
|4 aut
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|a Nelson, David C
|e verfasserin
|4 aut
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| 700 |
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|a Villadsen, Dorthe
|e verfasserin
|4 aut
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| 700 |
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|a Smith, Steven M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 168(2011), 3 vom: 15. Feb., Seite 263-9
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:168
|g year:2011
|g number:3
|g day:15
|g month:02
|g pages:263-9
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|u http://dx.doi.org/10.1016/j.jplph.2010.07.001
|3 Volltext
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