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. 2015 Oct 13;67(4):1095–1107. doi: 10.1093/jxb/erv453

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© The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Sample relationship and differential gene expression. (A) Hierarchical clustering and (B) multidimensional scaling plot of root tissue transcriptomes. (C) Numbers of differentially expressed genes in the four root tissues at different significance levels (light colour, FDR <5%; medium dark colour, FDR <1%; dark colour, FDR <0.1%). (D) Numbers of up- and down-regulated genes (FDR <1%); dark bars represent strongly regulated genes (|log₂Fc| ≥1). (E) Overlap between differentially expressed genes (FDR <1%; |log₂Fc| ≥1) in the four root tissues. Mz, meristematic zone; Ez, elongation zone; Co, cortex; St, stele; C, control; WD, water deficit treatment.