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Molecular Plant Advance Access originally published online on July 30, 2009
Molecular Plant 2009 2(5):1015-1024; doi:10.1093/mp/ssp055
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© The Author 2009. Published by the Molecular Plant Shanghai Editorial Office in association with Oxford University Press on behalf of CSPP and IPPE, SIBS, CAS.

Transcriptional Wiring of Cell Wall-Related Genes in Arabidopsis

Marek Mutwil, Colin Ruprecht, Federico M. Giorgi, Martin Bringmann, Björn Usadel and Staffan Persson1

Max-Planck-Institute for Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam, Germany

1 To whom correspondence should be addressed. E-mail Persson{at}mpimp-golm.mpg.de, fax +49-331-567-898149, tel. +49-331-567-8149.

Transcriptional coordination, or co-expression, of genes may signify functional relatedness of the corresponding proteins. For example, several genes involved in secondary cell wall cellulose biosynthesis are co-expressed with genes engaged in the synthesis of xylan, which is a major component of the secondary cell wall. To extend these types of analyses, we investigated the co-expression relationships of all Carbohydrate-Active enZYmes (CAZy)-related genes for Arabidopsis thaliana. Thus, the intention was to transcriptionally link different cell wall-related processes to each other, and also to other biological functions. To facilitate easy manual inspection, we have displayed these interactions as networks and matrices, and created a web-based interface (http://aranet.mpimp-golm.mpg.de/corecarb) containing downloadable files for all the transcriptional associations.

Key Words: Cell walls • bioinformatics • Arabidopsis • co-expression


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M. Mutwil, B. Usadel, M. Schutte, A. Loraine, O. Ebenhoh, and S. Persson
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[Abstract] [Full Text] [PDF]


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