Table 1 Fermentation parameters of thermophiles for ethanol or butanol production
Strain | Genotype or phenotype | Substrate | Products | Fermentation mode | Titer (g/L) | Yield (g/g) | References |
|---|---|---|---|---|---|---|---|
Saccharomyces cerevisiae | Thermotolerant mutant (40 °C) | molasses | Ethanol | 5 L tank | 72.40 | 0.36 | [65] |
Kluyveromyces marxianus | Wild type (42 °C) | Wheat straw | Ethanol | Fed-Batch | 10.70–21.10 | 0.36–0.38 | [66] |
P. kudriavzevii DSA3.2 | 45 °C | Rice straw | Ethanol | SSF | 10.53 | 0.43 | [67] |
T. aotearoense strain P8S10 | Δldh/ΔargR::scrB(G3-1)-scrA(CA)/Δrex | Cane molasses | Ethanol | Fed-Batch | 33.94 | 0.39 | This study |
T. thermosaccharolyticum DSM 571 | Overexpression of native thl, hbd, crt, bcd, etfA, and etfB | Cellobiose | Butanol | Batch | 0.38 | 0.04 | [40] |
T. saccharolyticum JW/SL-YS485 | Δldh, integration of butanol synthetic way | Xylose | Butanol | Batch | 1.05 | 0.10 | [41] |
Thermoanaerobacterium sp. M5 | Wild type | Xylan (+ FeCl2) | Butanol | Batch | 1.17 | 0.04 | [15] |
T. thermosaccharolyticum TG57 | Wild type (with no ethanol or butyrate byproducts) | Cellulose | Butanol | Batch | 1.93 | 0.20 | [68] |
Xylan | Butanol | Batch | 3.63 | 0.23 | |||
T. aotearoense strain P8SB2 | Δldh::adhE2-hbd-thl/Δrex::crt-bcd-etfAB/Δtdk::scrBA | Sucrose | Butanol | Serum bottle | 0.93 | 0.08 | This study |
Ethanol | 3.09 | 0.25 | |||||
T. aotearoense strain P8SB4 | Δldh/ΔargR::adhE2-hbd-thl/ Δrex::crt-bcd-etfAB/Δtdk::scrBA | Molasses | Butanol | Fed-batch | 3.22 | 0.06 | This study |
Ethanol | 21.36 | 0.38 |