SGD Paper 
Gao L and Xia L (2012) Sm-like protein enhanced tolerance of recombinant Saccharomyces cerevisiae to inhibitors in hemicellulosic hydrolysate. Bioresour Technol 124():504-7
Abstract: A current challenge of the cellulosic ethanol industry is to improve the resistance of inhibitors present in biomass hydrolysates. RNA-binding protein gene lsm6 was cloned from industrial Saccharomyces cerevisiae ZU-E8, which is able to conferment glucose and xylose, and transformed into ZU-E8 via expression vector pRS426. The positive transformant ZU-910 with over-expressing lsm6 was identified on the culture plates using high concentration of acetate and re-screened by fermentation test. Fermentation by the recombinants was performed in a medium containing 80 g/L xylose and 2 g/L acetic acid or 20 g/L NH(4)Ac/NaAc. After 96 h shaking-flask fermentation, ZU-910 utilized 90.2% xylose with an ethanol yield of 26.9 g/L, which was 8.5- and 10-fold higher than ZU-E8. Further, in the corn stover hemicellulosic hydrolysate fermentation, both the xylose conversion and ethanol production by ZU-910 was larger by 50% and 40% than ZU-E8. ZU-910 has also enhanced tolerance against furfural and SO(4)(2-).
| Status: Published | Type: Journal Article | PubMed ID: 23021959 |
Topics addressed in this paper
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| Topics | Genes linked to topics |
|---|---|
| LSM6 | |
| Additional Literature |  |
| Industrial Applications | |
| Mutants/Phenotypes | |
