S. cerevisiae NCYC 3451 displayed the greatest furfural
resistance (Figure 3F, Additional file 1: Figure S1F) and
was able to grow in the presence of up to 3.0 mg ml−1
furfural. Furthermore, ethanol production in this strain
did not appear to be inhibited by furfural, with the highest
ethanol yield (95 ± 15%; Table 2) achieved at a (furfural)
concentration of 3.0 mg ml−1. As already mentioned,
NCYC 3451 is a recombinant strain and has been shown