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Figure 3 | BMC Genomics

Figure 3

From: Extreme specificity of NCR gene expression in Medicago truncatula

Figure 3

Spatio-temporal expression of the NCR gene family in nodules. (A) Heat map and hierarchical clustering of NCRs in function of their spatial expression in nodules (samples I to IV, from the youngest, most apical part of the nodules to the oldest, most proximal part). Clustering was performed using Pearson correlation. (B) Heat map of NCR expression profiles obtained by LCM coupled to Affymetrix microarray analysis described by Limpens et al. [23]. M corresponds to meristem, dIZ to the distal zone II or infection zone, pIZ to the proximal zone II, IC to infected cell and UC to uninfected cell. (C) Heat map of NCR expression in function of the nodule age (dpi). The genes in the rows in (B) and (C) are in the same order as in panel (A). For each probe-set in the 3 panels, the relative expression was converted to the log2 value of the ratio representing the zone-specific expression over the average expression in all five zones.

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