Inventor

DU GUOCHENG

CN56 patents

⚠️ This page may combine multiple inventors who share the name “DU GUOCHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DU GUOCHENG

UNIV JIANGNAN

Asparaginase mutant with efficient expression, activity and stability

Method for improving GlcNAc production of recombinant bacillus subtilis

Method for producing N-acetylglucosamine by co-utilizing glucose and xylose based on CRISPRi

Acid-tolerant Saccharomyces cerevisiae and use thereof

Recombinant Bacillus subtilis and use thereof

Multicopper oxidase mutant with improved salt tolerance

Construction of recombinant Saccharomyces cerevisiae for synthesizing carminic acid and application thereof

Recombinant Bacillus subtilis with improved 2′-fucosyllactose production, and construction method thereof

Method for promoting acetylglucosamine synthesis of bacillus subtilis

Recombinant Escherichia coli and application thereof in screening erythritol-producing strains

Method for simultaneously reducing urethane and its precursors levels during Chinese liquor production process

Method for efficient catalytic synthesis of PAPS based on constructing ATP regeneration system

Saccharomyces cerevisiae strain for producing human milk lipid substitute and use thereof

RamA transcription factor mutant for promoting production of N-acetylglucosamine and use thereof

Salt-reduced fermentation method for high-salt dilute-state fermented soy sauce

Pyruvate-responsive biosensor, and construction method and use thereof

Transcription factor SugR coding gene, and use thereof in production of N-acetylglucosamine

Construction and application of engineering bacteria capable of secreting and expressing diacetylchitobiose deacetylase

Method for regulating expression of protein of interest in bacillus subtilis

Method for do novo biosynthesis of chondroitin sulfate

Bacillus subtilis for producing N-acetylneuraminic acid and application thereof

Method for extracting alpha-ketoglutarate and pyruvate simultaneously from microbial fermentation broth or enzymatic conversion solution

Recombinant strain of Bacillus subtilis

Multi-functional peptide benefiting expression, purification, stabilization and catalytic efficiency of recombinant proteins

Method for improving yield and production intensity of Gluconobacter oxydans sorbose

Transgenic strain containing an isolated promoter

Method of gene expression regulation

Promoter and use thereof

Method for promoting n-acetylglucosamine synthesis by using GlcN6P responsive element

Recombinant bacillus subtilis for increasing production of acetylglucosamine and construction method thereof

High-throughput screening system based on multi-manipulators

Production-line-type high-throughput screening system

Method for reconstructing aspergillus niger to increase citrate production

Method for increasing citric acid production by Aspergillus niger fermentation

Mutant with enhanced secretion of L-asparaginase and its application

Recombinant Bacillus subtilis engineered bacterium capable of efficiently expressing keratinase

CHEN JIAN

Method for increasing protein thermal stability

Method of constructing a recombinant Bacillus subtilis that can produce specific-molecular-weight hyaluronic acids

Genetically engineered Torulopsis glabrata with enhanced extracellular secretion of pyruvic acid

Genetically engineered Yarrowia lipolytica with enhanced extracellular secretion of α-ketoglutarate

Leech hyaluronidase and its application

Method for decreasing pyruvate catabolism and increasing the accumulation of pyruvate in microbes

Method for improving acid tolerance of Propionibacterium acidipropionici

Method for increasing microbial catalase production

BRIGHT DAIRY & FOOD CO LTD

Recombinant Bacillus subtilis for synthesizing GDP-L-fucose and application thereof

Recombinant Bacillus subtilis for synthesizing lacto-N-neotetraose and application thereof

NANTONG LICHENG BIOLOGICAL ENG CO LTD

Recombinant Bacillus subtilis for increasing yield of menaquinone 7 and application thereof

BLOOMAGE BIOTECHNOLOGY CORP LTD

High-efficiency synthesis and high-purity hyaluronic acid, and recombinant Corynebacterium glutamicum for oligosaccharide thereof

ZHANG JUAN

Mutant strain of Lactococcus lactis and its application

FANG FANG

Method for improving the quality of soy sauce using Bacillus amyloliquefaciens