Markers grouping obtained in discrimination analyses. (A) Grouping was carried out regarding frequency of alternative codon usage. Symbols used: red squares-chromosome markers (ch), blue triangles-chromid-like replicons' markers (cd), green circles-'other plasmid' markers (including pSym markers) (p). (B) Strains grouping observed in discrimination analyses regarding frequency of alternative codon usage of the tested gene set.
Mazur et al. BMC Microbiology 2011 11:123 doi:10.1186/1471-2180-11-123