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Title:
ACID-RESISTANT YEAST STRAIN FOR HIGH-YIELD PRODUCTION OF SUCCINIC ACID, AND CONSTRUCTION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/093796
Kind Code:
A1
Abstract:
Provided are a genetically modified yeast strain for producing succinic acid, which strain has the activity or an enhanced activity of an NADPH-dependent malate dehydrogenase (EC1.1.1.82), and optionally also has the activity or an enhanced activity of at least one of the following: (i) a soluble fumarate reductase (EC 4.2.1.2), (ii) a pyruvate carboxylase (EC 6.4.1.1), (iii) a fumarase (EC 4.2.1.2), and (iv) a succinic acid transporter; and a preparation method therefor, a method for producing succinic acid by using same, and the use thereof.

Inventors:
ZHANG XUELI (CN)
FAN FEIYU (CN)
XI YONGYAN (CN)
XU HONGTAO (CN)
Application Number:
PCT/CN2022/133973
Publication Date:
June 01, 2023
Filing Date:
November 24, 2022
Export Citation:
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Assignee:
TIANJIN INST IND BIOTECHNOLOGY CAS (CN)
International Classes:
C12N1/21; C12P7/46; C12R1/85
Foreign References:
CN111295446A2020-06-16
CN104694449A2015-06-10
CN104178443A2014-12-03
Other References:
ZHANG TING, GE CHENGYU, DENG LI, TAN TIANWEI, WANG FANG: "C4-dicarboxylic acid production by overexpressing the reductive TCA pathway", FEMS MICROBIOLOGY LETTERS, vol. 362, no. 9, 1 May 2015 (2015-05-01), XP093068739, DOI: 10.1093/femsle/fnv052
SANCHEZ, A. M. ET AL.: "Efficient succinic acid production from glucose through overexpression of pyruvate carboxylase in an Escherichia coli alcohol dehydrogenase and lactate dehydrogenase mutant", BIOTECHNOLOGY PROGRESS, vol. 21, no. 2, 2 March 2005 (2005-03-02), pages 358 - 365, XP008136355, DOI: 10.1021/bp049676e
ZHANG YU-XIU, WANG JIAO, WANG DAN, QI FENG: "Advancement in Genetic Engineering for Production of Succinic Acid by Escherichia coli", CHINA BIOTECHNOLOGY., vol. 29, no. 7, 15 July 2009 (2009-07-15), pages 108 - 117, XP093068746, DOI: 10.13523/j.cb.20090719
姜振楠 (JIANG, ZHENNAN): "羧酸转运蛋白工程改造解脂耶氏酵母高效生产丁二酸 (Transporter Engineering in Yarrowia Lipolytica for High-efficient Succinic Acid Production)", 中国优秀硕士学位论文全文数据库(工程科技I辑) (ENGINEERING SCIENCE & TECHNOLOGY I, CHINA MASTER’S THESES FULL-TEXT DATABASE), 15 September 2021 (2021-09-15)
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AHN J HJANG Y SLEE S Y, PRODUCTION OF SUCCINIC ACID BY METABOLICALLY ENGINEERED MICROORGANISMS [J]. CURRENT OPINION IN BIOTECHNOLOGY, vol. 42, 2016, pages 54 - 66
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Attorney, Agent or Firm:
NTD UNIVATION INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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