Figure 5. Size distribution and nucleotide counts of thyA- and thyX-containing genomes.

Figure 5

Size distribution and nucleotide counts of thyA- and thyX-containing genomes. A) Distributions of genome size, GC% and growth rate are shown. In each case, thyX and thyA containing organisms were analyzed individually. B) A scatter plot demonstrating the relationship between the genome size and the nucleotide counts for 425 prokaryotic genomes is shown [GC count (filled squares); AT counts (open circles)]. The best polynomial nonlinear fits (second order) for GC (solid line) and AT (dotted line) counts are shown. (Inset) Plotting of the relative GC% as a function of genome size. The figure has been reproduced with permission from reference 49.

From: Folate-Dependent Thymidylate-Forming Enzymes: Parallels between DNA and RNA Metabolic Enzymes and Evolutionary Implications

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