# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.375301 Bacteria.973095 Proteobacteria.397940 Alphaproteobacteria.225508 Mesorhizobium.9828 Mesorhizobium_sp_.2042 meso.1880 meso:BSQ44_09655 hypothetical protein