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Fig. 2 | BMC Evolutionary Biology

Fig. 2

From: Widespread gene duplication and adaptive evolution in the RNA interference pathways of the Drosophila obscura group

Fig. 2

Expression profile of RNAi-accessory protein genes. Plots show the difference in expression pattern between sex (male: blue, female:red) for genes other than Ago2; ‘anc’ ancestral copy, ‘dup’ duplicate copy as inferred by synteny. The y-axis is the natural log of normalized expression. The significance between sexes is denoted by * (0.001 < pMCMC < 0.05) and ** (pMCMC < 0.001). Sample sizes are the same as Fig. 1. Note that armitage, asterix, cutoff, maelstrom, tejas and vreteno are not duplicated in the obscura subgroup

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