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. 2012 Sep 10;12:161. doi: 10.1186/1471-2229-12-161

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Copyright ©2012 Ma et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Hierarchical cluster analysis and Venn diagrams of rice genes showing transcriptional changes in response to K⁺deficiency. (A) Hierarchical cluster analysis of genes showing transcriptional changes at indicated times (6 h, 3 d and 5 d) during K⁺ deficiency. (B, C) Venn diagrams of up- (B) and down- (C) regulated genes at different LK-treated times. The genes up-regulated at least at one time point were selected for the analysis in (B). Meanwhile, the genes down-regulated at least at one time point were selected for the analysis in (C).