Shoufeng Wang , Wenjie Cong , Mingxuan Wang , Hualan Zhou , Zhenhai Li , Jiguo Wang , Jianguo Zhang
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引用次数: 0
Abstract
Xylanase production attracted attention because it was an important biological macromolecular in food industry, pharmaceutical industry, animal feed, biorefinery industry. Komagataella phaffii, as a famous recombinant protein producer, used alcohol oxidase 1 to oxidize methanol for recombinant xylanase expression. However, low affinity of alcohol oxidase 1 to oxygen was considered as a limitation because of requirement of a large amount oxygen supply, resulting low consumption of methanol. In this study, Ogataea parapolymorpha DL-1 alcohol oxidase (OpAOX) was used to substitute K. phaffii alcohol oxidase 1 for recombinant xylanase expression increment by 26.7°% through increasing specific methanol consumption rate. Furtherly, recombinant xylanase expression increased by 44.5°% after pH adjustment. These results were also verified by recombinant green fluorescent protein expression in this K. phaffii strain with 54.3°% increment. Therefore, K. phaffii harboring OpAOX provided new approach of recombinant xylanse production, and demonstrated a general strategy for other food related by-products production by K. phaffii.
Food BioscienceBiochemistry, Genetics and Molecular Biology-Biochemistry
CiteScore
6.40
自引率
5.80%
发文量
671
审稿时长
27 days
期刊介绍:
Food Bioscience is a peer-reviewed journal that aims to provide a forum for recent developments in the field of bio-related food research. The journal focuses on both fundamental and applied research worldwide, with special attention to ethnic and cultural aspects of food bioresearch.