# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.463125 Bacteria.335736 Firmicutes.60261 Firmicutes___Clostridia.79892 Thermoanaerobacterium.2809 Thermoanaerobacterium_thermosaccharolyticum.2333 ttm.1610 ttm:Tthe_1719 Citrate transporter OC.463125 Bacteria.335736 Firmicutes.60261 Firmicutes___Clostridia.79890 Thermoanaerobacterium.3106 Thermoanaerobacterium_thermosaccharolyticum.2810 tto.1582 tto:Thethe_01714 H+/gluconate symporter family protein