Adaptation of intestine-based microbial functions to bioethanol production

doi:10.1016/j.cjche.2017.10.004

Chinese Journal of Chemical Engineering ›› 2018, Vol. 26 ›› Issue (5): 1140-1144.DOI: 10.1016/j.cjche.2017.10.004

• Biotechnology and Bioengineering • 上一篇下一篇

Adaptation of intestine-based microbial functions to bioethanol production

Zhuojun Ying, Xidong Zhang

Nanjing Foreign Language School, No. 30 East Beijing Road, Nanjing 210008, Jiangsu, China

收稿日期:2017-08-17 修回日期:2017-09-27 出版日期:2018-05-28 发布日期:2018-06-29
通讯作者: Zhuojun Ying,E-mail address:yingzhuojun@nfls.com.cn

Adaptation of intestine-based microbial functions to bioethanol production

Zhuojun Ying, Xidong Zhang

Nanjing Foreign Language School, No. 30 East Beijing Road, Nanjing 210008, Jiangsu, China

Received:2017-08-17 Revised:2017-09-27 Online:2018-05-28 Published:2018-06-29
Contact: Zhuojun Ying,E-mail address:yingzhuojun@nfls.com.cn

摘要/Abstract

摘要： Animal intestine is a favorable habitat to microbes. It facilitates the evolution of dense and diversified microbial communities that are highly active and persistent throughout life span. Here, we stimulate this unique biosystem to develop high-efficient continuous bio-manufacturing processes. The pig small intestine was explored as a novel bioreactor with industrial Saccharomyces cerevisiae for biofuel production. Results showed that the small intestine was a beneficial material for cell adherence. The cells on the intestine exhibited the abilities of selfimmobilization, self-duplication and self-repairing. Therefore the intestine-based S. cerevisiae could be continuously used for a long time at high metabolic activities. Both the fermentation speed and ethanol yield were improved. This study provides valuable insights into the functions of intestine-based biosystem and should inspire the development of bionic industrial processes. Future dissection of the interface mechanism and design of more bionic materials will make bioprocesses more economically favorable and environmentally sustainable.

关键词: Bioethanol, Cell immobilization, Pig intestine, Saccharomyces cerevisiae

Abstract: Animal intestine is a favorable habitat to microbes. It facilitates the evolution of dense and diversified microbial communities that are highly active and persistent throughout life span. Here, we stimulate this unique biosystem to develop high-efficient continuous bio-manufacturing processes. The pig small intestine was explored as a novel bioreactor with industrial Saccharomyces cerevisiae for biofuel production. Results showed that the small intestine was a beneficial material for cell adherence. The cells on the intestine exhibited the abilities of selfimmobilization, self-duplication and self-repairing. Therefore the intestine-based S. cerevisiae could be continuously used for a long time at high metabolic activities. Both the fermentation speed and ethanol yield were improved. This study provides valuable insights into the functions of intestine-based biosystem and should inspire the development of bionic industrial processes. Future dissection of the interface mechanism and design of more bionic materials will make bioprocesses more economically favorable and environmentally sustainable.

Key words: Bioethanol, Cell immobilization, Pig intestine, Saccharomyces cerevisiae

Zhuojun Ying, Xidong Zhang. Adaptation of intestine-based microbial functions to bioethanol production[J]. Chinese Journal of Chemical Engineering, 2018, 26(5): 1140-1144.

Zhuojun Ying, Xidong Zhang. Adaptation of intestine-based microbial functions to bioethanol production[J]. Chin.J.Chem.Eng., 2018, 26(5): 1140-1144.

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Adaptation of intestine-based microbial functions to bioethanol production

Adaptation of intestine-based microbial functions to bioethanol production

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