Table 3 Genomic GC contents
Sn4Sn2000Sn79-1087
High GC content range (%)a34.3–100.034.2–100.032.7–100.0
High GC content genome proportion (%)b91.091.597.2
High GC content peak (%)c52.352.352.2
Low GC content range (%)d0.0–34.30.0–34.20.0–32.7
Low GC content genome proportion (%)e9.08.52.8
Low GC content peak (%)f26.026.326.4
Gene density in high GC regions (genes/Mbp)g389.0394391
Gene density in low GC regions (genes/Mbp)h12.615.93.1
  • Genomic GC content attributes as derived from analysis via OcculterCut (Testa et al. 2016) indicating a two-speed genome.

  • a Range of GC content in the elevated GC regions of the genome.

  • b Proportion of the genome containing a relatively higher GC content.

  • c Peak GC content within the high GC genomic compartment.

  • d Range of GC content in the relatively lower GC regions of the genome.

  • e Proportion of the genome containing a relatively lower GC content.

  • f Peak GC content within the low GC genomic compartment.

  • g Density of annotated genes within the relatively high GC regions of the genome.

  • h Density of annotated genes within the relatively low GC regions of the genome.