Characteristic strategy of assimilation of various saccharides by Clostridium cellulovorans.
Characteristic strategy of assimilation of various saccharides by Clostridium cellulovorans.
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DOI：
10.1186/s13568-016-0237-5
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发表时间：
2016-12
期刊：
影响因子：
3.7
通讯作者：
Ueda M
中科院分区：
文献类型：
--
作者：
Inamori T;Aburaya S;Morisaka H;Kuroda K;Ueda M
纤维素梭菌不仅能有效地同化纤维素，还能通过产生纤维素体和非纤维素体酶来有效地同化半纤维素。然而，关于C. cellulovorans如何在含有多糖和低聚糖的培养基中同化各种糖类，人们知之甚少。在本研究中，我们研究了纤维素酵母的糖类结合和同化特性。在含有木聚糖和纤维素的培养基中，通过切换多糖实现了更快的生长，其中木聚糖首先被同化，其次是纤维素。此外，容易降解的多糖的存在可能通过促进生长来增加木质纤维素的同化率。C. cellulovorans的这些特性适合于木质纤维素生物质的有效利用。本文的在线版本（doi:10.1186/s13568-016-0237-5）包含补充材料，可供授权用户使用。
Clostridium cellulovorans can effectively assimilate not only cellulose but also hemicellulose by producing cellulosomal and non-cellulosomal enzymes. However, little is known about how C. cellulovorans assimilates various saccharides in media containing polysaccharides and oligosaccharides. In this research, we investigated the property of saccharide incorporation and assimilation by C. cellulovorans. Faster growth in media containing xylan and cellulose was achieved by switching polysaccharides, in which xylan was first assimilated, followed by cellulose. Furthermore, the presence of polysaccharides that can be easily degraded might increase the assimilation rate of lignocellulose by promoting growth. These properties of C. cellulovorans could be suitable for the effective utilization of lignocellulosic biomass. The online version of this article (doi:10.1186/s13568-016-0237-5) contains supplementary material, which is available to authorized users.
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