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Fig. 6 | BMC Evolutionary Biology

Fig. 6

From: Diversification of defensins and NLRs in Arabidopsis species by different evolutionary mechanisms

Fig. 6

Distribution and frequency of DEFL and NLR gene expression in the conditions tested. a The density plot illustrates the distribution of genes expressed on different numbers of conditions here investigated. The peaks indicate that most genes of the DEFL family are expressed in one or two conditions, while NLR genes are predominantly expressed in all four conditions. These trends suggest that in the course of evolution the members of the DEFL family significantly diverged at the regulatory level in comparison to NLRs. b The bar chart represents the number of members from the DEFL or NLR family that are expressed in pistils or leaves under different conditions. While DEFLs are predominantly expressed in pistils, a similar number of NLRs are consistently expressed in all four conditions. These different patterns highlight the regulatory divergence among the members of the DEFL family

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