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Title:
MDH GENE-BASED POLYNUCLEOTIDE HAVING PROMOTER ACTIVITY AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/257758
Kind Code:
A1
Abstract:
A polynucleotide having promoter activity of a malate dehydrogenase gene (mdh gene), a transcription expression cassette, recombinant expression vector and recombinant host cell containing the polynucleotide having the promoter activity, a method for constructing a promoter mutant, a method for regulating the transcription of a target gene, a method for preparing a protein, and method for producing a target compound. The polynucleotide having the promoter activity is a mutant of an mdh gene promoter, and compared with a promoter of a wild-type mdh gene, the promoter activity of the mutant is significantly improved. After operably linking the mutant to a target gene, the expression efficiency of the target gene can be significantly improved, thereby effectively improving the yield and transformation rate of a target compound.

Inventors:
ZHENG PING (CN)
LIU JIAO (CN)
SUN JIBIN (CN)
SUN GUANNAN (CN)
ZHOU WENJUAN (CN)
GUO XUAN (CN)
Application Number:
PCT/CN2022/094736
Publication Date:
December 15, 2022
Filing Date:
May 24, 2022
Export Citation:
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Assignee:
TIANJIN INST IND BIOTECHNOLOGY CAS (CN)
International Classes:
C12N15/113; C07K14/34; C12N1/20; C12N15/09; C12N15/67; C12R1/06; C12R1/13; C12R1/15; C12R1/185
Domestic Patent References:
WO2006028063A12006-03-16
WO1993008277A11993-04-29
Foreign References:
CN103981203A2014-08-13
CN1440458A2003-09-03
Other References:
WANG, YINGCHUN ET AL.: "Screening efficient constitutive promoters in Corynebacterium glutamicum based on time- series transcriptome analysis", CHINESE JOURNAL OF BIOTECHNOLOGY, vol. 34, no. 11, 25 November 2018 (2018-11-25), pages 1760 - 1771, XP055901944, ISSN: 1000-3061, DOI: 10.13345/j.cjb.180041
VAN DER REST, M. ET AL.: "Functions of the Membrane-Associated and Cytoplasmic Malate Dehydrogenases in the Citric Acid Cycle of Escherichia coli", JOURNAL OF BACTERIOLOGY, vol. 182, no. 24, 31 December 2000 (2000-12-31), pages 6892 - 6899, XP002179953, ISSN: 0021-9193, DOI: 10.1128/JB.182.24.6892-6899.2000
"Microbial Metabolic Engineering: Methods and Protocols", 1989, COLD SPRING HARBOR LABORATORY PRESS
WANG, YC ET AL.: "Screening efficient constitutive promoters in Corynebacterium glutamicum based on time-series transcriptome analysis", CHINESE JOURNAL OF BIOTECHNOLOGY, vol. 34, no. 11, 2018, pages 1760 - 1771, XP055901944, DOI: 10.13345/j.cjb.180041
Attorney, Agent or Firm:
LINDA LIU & PARTNERS (CN)
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