Table 2 Number of genes/proteins that segregate C. trachomatis strains according to distinct phenotypes
Segregation by PhenotypeaExclusive Segregation by Phenotypeb
Full-tropismcOcularGenitaldPrevalent GenitalPrevalent Genital + LGVeLGVOcularGenitaldPrevalent GenitalLGV
Nucleotide11 (1.3%)136 (15.6%)14 (1.6%)431 (49.3%)173 (19.8%)695 (79.5%)7 (0.8%)0 (0%)47 (5.4%)245 (28%)
Amino acid12 (1.4%)105 (12%)15 (1.7%)302 (34.6%)146 (16.7%)531 (60.8%)21 (2.4%)1 (0.1%)61 (7%)240 (27.5%)
  • The numbers in parenthesis refer to the proportion of genes/proteins, found in each category, relative to the 874 analyzed genes/proteins. LGV, lymphogranuloma venereum.

  • a Genes/proteins for which the phylogenetic tree differentiates at least one group of strains in a nonexclusive manner.

  • b Genes/proteins for which the phylogenetic tree differentiates only one particular group of strains whereas the remainder are mixed.

  • c Genes/proteins for which the phylogenetic tree shows three clades (ocular, genital, and LGV serovars).

  • d Refers to all genital strains (prevalent plus non-prevalent serovars).

  • e Genes/proteins for which the phylogenetic tree clusters the strains from prevalent genital and LGV serovars in the same clade.