# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.411002 Bacteria.68249 Proteobacteria.497255 Betaproteobacteria.159272 Burkholderia.64261 Burkholderia_sp_.31403 bug.6218 bug:BC1001_PA6384 Retron-type RNA-directed DNA polymerase