Figure 3From: The loose evolutionary relationships between transcription factors and other gene products across prokaryotesComparing the Codon Adaptation Index of predicted transcription factor-coding genes and other genes across prokaryotic genomes. This curve shows that TF-coding genes in approx. 94% of the genomes tested had lower average CAI than other genes, thus suggesting that TF-coding genes tend to be more horizontally transferred than other genes.Back to article page