Correspondence analysis of relative synonymous codon usage for Neisseria meningitidis MC58 genes:
% variability
Axis 1
23.1
Axis 2
8.6
Axis 3
6.3
Axis 4
3.8
Axis 5
3.2
Axis 6
2.9
Red (), blue () and green squares () correspond to genes proposed as being acquired by HGT and included in regions with a low, high and non-deviated G+C content, respectively. Yellow cross diagonals (x) correspond to putative highly expressed genes.
Correlation values between main axis in correspondence analysis and different parameters. See the Abbreviations used: