# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.1328010 Bacteria.305412 Proteobacteria.368785 Alphaproteobacteria.183107 Azospirillum.8452 Azospirillum_brasilense.5992 abf.2668 abf:AMK58_13605 hypothetical protein