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A comparative study of ethanol production by Issatchenkia orientalis strains under stress conditions

2011; Elsevier BV; Volume: 113; Issue: 1 Linguagem: Inglês

10.1016/j.jbiosc.2011.09.004

1389-1723

Naoto Isono, Hiroka Hayakawa, Atsuko Usami, Takashi Mishima, Makoto Hisamatsu,

Fungal and yeast genetics research

The ability of 13 strains of multi-stress-tolerant Issatchenkia orientalis yeast to produce ethanol was examined under different stress conditions, including conditions of elevated H2SO4 and Na2SO4 concentrations and increased heat. The MF-121 strain produced a significant amount of ethanol after the incubation in acidic media containing high concentrations of salt, e.g., 50 g/l Na2SO4 at pH 2.0, or at high temperatures, e.g., 43°C, when compared with other strains.