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Figure 1 | BMC Biology

Figure 1

From: Molecular evidence for increased regulatory conservation during metamorphosis, and against deleterious cascading effects of hybrid breakdown in Drosophila

Figure 1

Number of genes significantly differentially expressed in pairwise comparisons between each of the three pure Drosophila species at each of the four sampled stages (out of 2,253 genes). There are fewer genes differentially expressed in the larval as compared to the late pupal stage in the comparison between Drosphila melanogaster and D. simulans (P < 0.001) as indicated by the dashed line. Similarly, there are fewer genes differentially expressed in the early pupal stage of the same comparison than the late pupal or the adult as indicated by the solid line (P < 0.001). In the comparison between D. simulans and D. sechellia there are fewer genes differentially expressed during the larval stage than any other stage as indicated by the three asterisks (***) (P < 0.001). All other between stage comparisons within the pairwise comparisons were not statistically significant. There were fewer genes that were differentially expressed between D. simulans and D. sechellia during the larval stage than the other two more phylogenetically distant comparisons (indicated by the dagger [†]). The number of genes that were significantly differentially expressed differed in all three comparisons between the early pupal stage; however, the D. simulans versus D. sechellia comparison was not the lowest (indicated by the double-dagger [‡]).

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