| Budget Amount *help |
¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Outline of Final Research Achievements |
Lignocellulose hydrolysates contain aliphatic acids, such as acetic acid, that negatively affects the fermentation ability of S. cerevisiae. In this study, we found that the strain overexpressing HAA1 gene acquired a higher level of acetic acid tolerance. The ethanol production ability of HAA1-overexpressing strain was not influenced by acetic acid addition. We believe that this technology has the great potential to reduce bioethanol production costs.
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