# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.1825530 Bacteria.950658 Proteobacteria.368594 Alphaproteobacteria.182698 Azospirillum.6050 Azospirillum_brasilense.9246 abs.5931 abs:AZOBR_p310163 protein of unknown function OC.1825530 Bacteria.950658 Proteobacteria.368594 Alphaproteobacteria.182698 Azospirillum.6050 Azospirillum_sp_.16353 azt.6069 azt:TSH58p_32060 hypothetical protein