# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.1825523 Bacteria.950651 Proteobacteria.368587 Alphaproteobacteria.182689 Azospirillum.6013 Azospirillum_brasilense.9052 abs.5495 abs:AZOBR_p270163 protein of unknown function OC.1825523 Bacteria.950651 Proteobacteria.368587 Alphaproteobacteria.182689 Azospirillum.6013 Azospirillum_sp_.10646 azt.243 azt:TSH58p_00855 hypothetical protein