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61.
Yucai Lv Xiaofen Wang Ning Li Xiaojuan Wang Masaharu Ishii Yasuo Igarashi Zongjun Cui 《环境科学学报(英文版)》2011,23(4):649-655
An e cient cellulose degrading bacteria exists in the thermophilic wheat straw-degrading community, WDC2. However, this strain
cannot be isolated and cultured using conventional separation techniques under strict anaerobic conditions. We successfully isolated
a strain of e ective cellulose degrading bacteria CTL-6 using a wash, heat shock, and solid-liquid alternating process. Analysis of its
properties revealed that, although the community containing the strain CTL-6 grew under aerobic conditions, the purified strain CTL-6
only grew under anaerobic culture conditions. The strain CTL-6 had a striking capability of degrading cellulose (80.9% weight loss after
9 days of culture). The highest e ciency value of the endocellulase (CMCase activity) was 0.404 mol/(min mL), cellulose degradation
e ciency by CTL-6 was remarkably high at 50–65°C with the highest degradation e ciency observed at 60°C. The 16S rRNA gene
sequence analysis indicated that the closest relative to strain CTL-6 belonged to the genus Clostridium thermocellum. Strain CTL-6
was capable of utilizing cellulose, cellobiose, and glucose. Strain CTL-6 also grew with Sorbitol as the sole carbon source, whereas C.
thermocellum is unable to do so. 相似文献
62.
Xuehao Zhao Yinhu Wu Xue Zhang Xin Tong Tong Yu Yunhong Wang Nozomu Ikuno Kazuki Ishii Hongying Hu 《Frontiers of Environmental Science & Engineering》2019,13(4):55