Figure 5From: Mutational pressure dictates synonymous codon usage in freshwater unicellular α - cyanobacterial descendant Paulinella chromatophora and β - cyanobacterium Synechococcus elongatus PCC6301 Neutrality plots. (a) Neutrality plot of 768 PCG in P. chromatophora. (b) Neutrality plot of 2342 PCG in S. elongatus. Back to article page