84 2.12 T thermosaccharolyticum W16 T thermosaccharolyticum W16 60 60 2.19 Ren , 2008 T thermosaccharolyticum W16 Clostridium thermocellum 60 60 2.24 Cao , 2009 ATCC 27405 1.65 Magnusson , 2008 2.30 Ren , 2008