Thermostable ethanol tolerant xylanase from a cold-adapted marine species <i>Acinetobacter johnsonii</i>

Dongsheng Xue; Xuhao Zeng; Dongqiang Lin; Shanjing Yao

doi:10.1016/j.cjche.2018.06.019

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Thermostable ethanol tolerant xylanase from a cold-adapted marine species Acinetobacter johnsonii

Biotechnology and Bioengineering | Updated：2026-01-06

- Thermostable ethanol tolerant xylanase from a cold-adapted marine species Acinetobacter johnsonii
- Thermostable ethanol tolerant xylanase from a cold-adapted marine species Acinetobacter johnsonii
- 中国化学工程学报（英文版） 2019年27卷第5期页码：1166-1170
- Affiliations：
  
  1. Key Laboratory of Fermentation Engineering(Hubei Universty of Technology), Ministry of Education, Hubei Provincial Cooperative Innovation Center of Industrial Fermentation, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology,Wuhan,China,430068
  2. Department of Chemical and Bioengineering, Zhejiang University,Hangzhou,China,310027
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.06.019
  中图分类号：
- 纸质出版：2019
- Accepted：
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Dongsheng Xue, Xuhao Zeng, Dongqiang Lin, 等. Thermostable ethanol tolerant xylanase from a cold-adapted marine species Acinetobacter johnsonii[J]. 中国化学工程学报（英文版）, 2019,27(5):1166-1170. DOI: 10.1016/j.cjche.2018.06.019.

[J]. 中国化学工程学报, 2019, 27(5): 1166-1170.
Dongsheng Xue, Xuhao Zeng, Dongqiang Lin, 等. Thermostable ethanol tolerant xylanase from a cold-adapted marine species Acinetobacter johnsonii[J]. 中国化学工程学报（英文版）, 2019,27(5):1166-1170. DOI: 10.1016/j.cjche.2018.06.019. DOI：

[J]. 中国化学工程学报, 2019, 27(5): 1166-1170. DOI： 10.1016/j.cjche.2018.06.019.

摘要

Abstract

A xylanase-producing bacterium

isolated from deep sea sediments

was identified as the cold-adapted marine species

Acinetobacter Johnsonii

. A cold-adapted marine species

Acinetobacter Johnsonii

could grow at 4℃. The optimum temperature and pH of xylanase from a cold-adapted marine species

Acinetobacter Johnsonii

were 55℃ and pH 6.0. Xylanase from a cold-adapted marine species

Acinetobacter Johnsonii

remained at 80% activity after incubation for 1 h at 65℃. The xylanase activity was 1.2-fold higher in 4% ethanol solution than in ethanol free solution. Gibbs free energy of denaturation

was higher in 4% ethanol solution than in ethanol free solution. Thermostable ethanol tolerant xylanase was valuable for bioethanol production by simultaneous saccharification and fermentation process with xylan as a carbon source.

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Thermostable ethanol tolerant xylanase from a cold-adapted marine species Acinetobacter johnsonii

Thermostable ethanol tolerant xylanase from a cold-adapted marine species Acinetobacter johnsonii

DOI：10.1016/j.cjche.2018.06.019

摘要

Abstract

关键词

Keywords

references