# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.183544 Bacteria.314854 Firmicutes.63271 Firmicutes___Bacilli.24756 Aneurinibacillus.3810 asoc.1379 asoc:CB4_01466 puuP_3; Putrescine importer PuuP; K14052 putrescine importer