التفاصيل البيبلوغرافية
| العنوان: |
Raw starch fermentation to ethanol by an industrial distiller's yeast strain of Saccharomyces cerevisiae expressing glucoamylase and α-amylase genes. |
| المؤلفون: |
Ha-Ram Kim, Young-Kum Im, Hyun-Mi Ko, Jong-Eon Chin, Il-Chul Kim, Hwanghee Lee, Suk Bai |
| المصدر: |
Biotechnology Letters; Aug2011, Vol. 33 Issue 8, p1643-1648, 6p |
| مصطلحات موضوعية: |
SACCHAROMYCES cerevisiae, POLYPLOIDY, CRYPTOCOCCUS neoformans, ASPERGILLUS, STARCH |
| مستخلص: |
Industrial strains of a polyploid, distiller's Saccharomyces cerevisiae that produces glucoamylase and α-amylase was used for the direct fermentation of raw starch to ethanol. Strains contained either Aspergillus awamori glucoamylase gene ( GA1), Debaryomyces occidentalis glucoamylase gene ( GAM1) or D. occidentalis α-amylase gene ( AMY), singly or in combination, integrated into their chromosomes. The strain expressing both GA1 and AMY generated 10.3% (v/v) ethanol (80.9 g l) from 20% (w/v) raw corn starch after 6 days of fermentation, and decreased the raw starch content to 21% of the initial concentration. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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