Long-read genome assembly of the insect model organism Tribolium castaneum reveals spread of satellite DNA in gene-rich regions by recurrent burst events

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Figure 2.
Figure 2.

Distribution evaluation of Cast1–Cast9 satDNAs in TcasONT assembly. (A) Comparison of monomer copy numbers for Cast satDNAs annotated in the reference Tcas5.2 and the TcasONT genome assemblies (see also Supplemental Table S11). The assemblies were mapped with Cast1–Cast9 satDNA monomeric consensus sequences published previously (Pavlek et al. 2015). (B) Comparison of monomer copy numbers for Cast satDNAs annotated in the reference Tcas5.2 and the TcasONT genome assemblies (see also Supplemental Table S11). The assemblies were mapped with Cast1–Cast9 satDNA monomeric consensus sequences published previously (Pavlek et al. 2015). (C) Circular representation of the TcasONT genome assembly with annotated Cast1–Cast9 satDNAs, genes, and transposable elements (TEs). The boxes indicate the most prominent regions where the accumulation of Cast satDNAs correlates positively with gene density and negatively with the TEs density. The position of the (peri)centromere on each chromosome is indicated by a red arrow.

This Article

  1. Genome Res. 34: 1878-1894

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