Table 1 Performance comparison of strain TG57 with previous microorganisms capable of converting lignocellulose to biofuels.

Avicel, crystalline cellulose; PASC, phosphoric acid–swollen cellulose.

OrganismGenotypeCarbon sourceProductConcentration
(g/liter)		Yield
(g/g)		Productivity
[g/(liter·hour)]		Reference
Caldicellulosiruptor besciiRecombinantSwitchgrassEthanol0.590.02940.0049(15)
C. thermocellumRecombinantCrystalline celluloseEthanol22.40.390.162(16)
C. cellulolyticumRecombinantAvicelIsobutanol0.660.066—(17)
C. thermocellumRecombinantAvicelIsobutanol5.40.170.072(18)
C. acetobutylicumRecombinantAvicelButanolNilNilNil(19)
C. cellulovoransRecombinantCrystalline celluloseButanol1.420.20.0059(23)
Ethanol1.600.190.0067
C. phytofermentans ATCC 700394Wild typeBirchwood xylanEthanol0.460.1530.0192(27)
CelluloseEthanol2.760.4380.0041
Saccharomyces cerevisiaeRecombinantPASCEthanol2.10.5250.035(28)
C. cellulolyticumRecombinantCrystalline celluloseEthanol2.70.270.008(29)
C. thermocellumRecombinantAvicelEthanol5.460.14—(30)
Cellvibrio japonicusRecombinantAvicelEthanol2.60.260.052(31)
S. cerevisiaeRecombinantPASCEthanol1.00.3720.0052(32)
C. phytofermentans ATCC 700394Wild typeAFEX-pretreated corn stoverEthanol7.00.1910.0265(33)
S. cerevisiaeRecombinantPASCEthanol2.70.27—(34)
C. cellulolyticumRecombinantAvicelEthanol0.80.025—(35)
Clostridium sp. strain MF28Wild typeBeechwood xylanButanol3.20.1770.0222(41)
T. thermosaccharolyticum TG57Wild typeCrystalline celluloseButanol1.930.2010.0045This study
Beechwood xylanButanol3.630.2290.0189