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  A global survey of gene regulation during cold acclimation in Arabidopsis thaliana

Hannah, M. A., Heyer, A. G., & Hincha, D. K. (2005). A global survey of gene regulation during cold acclimation in Arabidopsis thaliana. PLoS Genetics, 1(2), e26. doi:10.1371/journal.pgen.0010026.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-2BBE-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-2BBF-7
Genre: Journal Article

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 Creators:
Hannah, M. A.1, Author              
Heyer, A. G.2, Author              
Hincha, D. K.3, Author              
Affiliations:
1Small Molecules, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753340              
2Plant-Environment Interactions, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753348              
3Transcript Profiling, Infrastructure Groups and Service Units, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753306              

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Free keywords: false discovery rate freezing-tolerance low-temperature transcription factors water-deficit microarray experiments signal-transduction cdna microarray expression stress
 Abstract: Many temperate plant species such as Arabidopsis thaliana are able to increase their freezing tolerance when exposed to low, nonfreezing temperatures in a process called cold acclimation. This process is accompanied by complex changes in gene expression. Previous studies have investigated these changes but have mainly focused on individual or small groups of genes. We present a comprehensive statistical analysis of the genome-wide changes of gene expression in response to 14 d of cold acclimation in Arabidopsis, and provide a large-scale validation of these data by comparing datasets obtained for the Affymetrix ATH1 Genechip and MWG 50-mer oligonucleotide whole-genome microarrays. We combine these datasets with existing published and publicly available data investigating Arabidopsis gene expression in response to low temperature. All data are integrated into a database detailing the cold responsiveness of 22,043 genes as a function of time of exposure at low temperature. We concentrate our functional analysis on global changes marking relevant pathways or functional groups of genes. These analyses provide a statistical basis for many previously reported changes, identify so far unreported changes, and show which processes predominate during different times of cold acclimation. This approach offers the fullest characterization of global changes in gene expression in response to low temperature available to date.

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Language(s): eng - English
 Dates: 2005-08-192005
 Publication Status: Published in print
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 Identifiers: ISI: ISI:000234714200006
DOI: 10.1371/journal.pgen.0010026
ISSN: 1553-7390 (Print) 1553-7390 (Linking)
URI: ://000234714200006 http://www.plosgenetics.org/article/fetchObjectAttachment.action?uri=info%3Adoi%2F10.1371%2Fjournal.pgen.0010026&representation=PDF
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Title: PLoS Genetics
Source Genre: Journal
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Pages: - Volume / Issue: 1 (2) Sequence Number: - Start / End Page: e26 Identifier: -