Direct ethanol fermentation from lignocellulosic biomass by Antarctic basidiomycetous yeast Mrakia blollopis under a low temperature condition
Direct ethanol fermentation from lignocellulosic biomass by Antarctic basidiomycetous yeast Mrakia blollopis under a low temperature condition
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DOI：
10.1016/j.cryobiol.2013.06.003
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发表时间：
2013-10-01
期刊：
影响因子：
2.7
通讯作者：
Hoshino, Tamotsu
中科院分区：
文献类型：
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作者：
Tsuji, Masaharu;Goshima, Tetsuya;Hoshino, Tamotsu
南极担子菌酵母Mrakia bllolopis SK-4在低温条件下对各种糖类具有独特的发酵能力。因此，该酵母可用于从葡萄糖发酵乙醇，也可用于在 10 摄氏度下不含/含吐温 80 的纤维素生物质直接乙醇发酵 (DEF)。最多可从 12% (w/v) 葡萄糖形成 48.2 g/l 乙醇。 DEF 将滤纸、日本雪松和桉树分别转化为 12.2 g/l、12.5 g/l 和 7.2 g/l 乙醇。在存在 1% (v/v) Tween 80 的情况下，乙醇浓度比不含 Tween 80 的乙醇浓度增加约 1.1-1.6 倍。这是在低温条件下使用低温真菌进行 DEF 的首次报道。我们认为 M. bllolopis SK-4 在指定环境中具有良好的乙醇发酵潜力。 (C) 2013 Elsevier Inc. 保留所有权利。
Antarctic basidiomycetous yeast Mrakia blollopis SK-4 has unique fermentability for various sugars under a low temperature condition. Hence, this yeast was used for ethanol fermentation from glucose and also for direct ethanol fermentation (DEF) from cellulosic biomass without/with Tween 80 at 10 degrees C. Maximally, 48.2 g/l ethanol was formed from 12% (w/v) glucose. DEF converted filter paper, Japanese cedar and Eucalyptus to 12.2 g/l, 12.5 g/l and 7.2 g/l ethanol, respectively. In the presence of 1% (v/v) Tween 80, ethanol concentration increased by about 1.1-1.6-fold compared to that without Tween 80. This is the first report on DEF using cryophilic fungi under a low temperature condition. We consider that M. blollopis SK-4 has a good potential for ethanol fermentation in told environments. (C) 2013 Elsevier Inc. All rights reserved.