# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.3061 Bacteria.6772 Proteobacteria.4105 Betaproteobacteria.91537 Burkholderia.66211 Burkholderia_sp_.40163 bum.3995 bum:AXG89_17880 hybrid sensor histidine kinase/response regulator