Table 1 Relative selective constraints in endosymbiotic bacterial genomes

From: Chance and necessity in the genome evolution of endosymbiotic bacteria of insects

Endosymbiotic group

No. of genes with R1 (%)

No. of genes with R>1 (%)

Buchnera

33 (6.8%)

454 (93.2%)

Candidatus Blochmannia

45 (9.6%)

422 (90.4%)

Wigglesworthia

34 (6.6%)

484 (93.4%)

Candidatus Baumannia

17 (3.8%)

431 (96.2%)

Blattabacterium

99 (28.1%)

253 (71.9%)