4. Conclusion
This investigation reported the isolation of the S. cerevisiae LBM-1 strain, which is capable of growth at 42 C. In addition, the capacity of S. cerevisiae LBM-1 and K. marxianus UFV-3 to ferment sugarcane bagasse in SSF processes at 37 and 42 C weredemonstrated. The results show that these two yeast strains have a potential for the production of ethanol through the SSF process and suggest that the use of thermotolerant yeasts and a presaccharification stage are key to increasing yields in this process