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At-TAX: a whole genome tiling array resource for developmental expression analysis and transcript identification in Arabidopsis thaliana

Sascha Laubinger1, Georg Zeller12, Stefan R Henz1, Timo Sachsenberg1, Christian K Widmer2, Naïra Naouar34, Marnik Vuylsteke34, Bernhard Schölkopf5, Gunnar Rätsch2 and Detlef Weigel1*

Author Affiliations

1 Department of Molecular Biology, Max Planck Institute for Developmental Biology, Spemannstr. 37-39, 72076 Tübingen, Germany

2 Friedrich Miescher Laboratory of the Max Planck Society, Spemannstr. 39, 72076 Tübingen, Germany

3 Department of Plant Systems Biology, VIB, Technologiepark 927, 9052 Ghent, Belgium

4 Department of Molecular Genetics, Ghent University, Technologiepark 927, 9052 Ghent, Belgium

5 Department of Empirical Inference, Max Planck Institute for Biological Cybernetics, Spemannstr. 38, 72076 Tübingen, Germany

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Genome Biology 2008, 9:R112  doi:10.1186/gb-2008-9-7-r112

Published: 9 July 2008

Abstract

Gene expression maps for model organisms, including Arabidopsis thaliana, have typically been created using gene-centric expression arrays. Here, we describe a comprehensive expression atlas, Arabidopsis thaliana Tiling Array Express (At-TAX), which is based on whole-genome tiling arrays. We demonstrate that tiling arrays are accurate tools for gene expression analysis and identified more than 1,000 unannotated transcribed regions. Visualizations of gene expression estimates, transcribed regions, and tiling probe measurements are accessible online at the At-TAX homepage.