Table 2.

Conserved genes for replication and transcription

GeneReplication
Transcription
dnaEgidAdnaNgyrAgyrBdnaBdnaGdnaXpolArncssbrpoArpoBrpoCrpoDgreAnusAnusG
PS + B++++++++++++++++++
Buchnera Cc++++++++++++++++++
Sulcia +++++++++
Carsonella ++++++++
  • The genes conserved among all previously sequenced symbiont genomes and free-living bacteria (30) are shown in the row labeled PS + B (previous symbionts + bacteria). +, homolog is present; −, homolog is absent.