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1.WO/2022/139522GLYCOSYLTRANSFERASE AND STEVIOL GLUCOSIDE PREPARATION METHOD USING SAME
WO 30.06.2022
Int.Class C12N 9/10
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
9Enzymes, e.g. ligases (6.); Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating, or purifying enzymes
10Transferases (2.)
Appl.No PCT/KR2021/019767 Applicant SAMYANG CORPORATION Inventor KIM, Jeong Min
The present invention relates to a glycosyltransferase, a composition for producing a steviol glucoside by using same, and a preparation method therefor, and, more specifically, to: a rebaudioside glycosyltransferase for transferring glucose to a steviol glucoside; a recombinant strain expressing the enzyme; and a method for producing rebaudioside, which is steviol glucoside, by using the enzyme and strain.
2.WO/2022/140482ENERGY FROM BACTERIA AND SEABED EXTRACTION
WO 30.06.2022
Int.Class C02F 1/00
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
Appl.No PCT/US2021/064749 Applicant RAYTHEON BBN TECHNOLOGIES, CORP. Inventor ROSENTHAL, Benjamin, Jacob
A method of generating hydrogen gas includes providing a colony of sulfur-reducing bacteria and a colony of sulfur-oxidizing bacteria. The colonies can be submerged in a body of water. The colony of sulfur-reducing bacteria can be used to convert at least a portion of sulfates present in the body of water to hydrogen sulfide. The colony of sulfur-oxidizing bacteria can be used to convert the hydrogen sulfide to sulfuric acid. The sulfuric acid can react with manganese to produce hydrogen gas and manganese sulfate.
3.WO/2022/136207IMPROVED MEANS AND METHODS FOR PRODUCING ISOBUTENE FROM 3-METHYLCROTONIC ACID
WO 30.06.2022
Int.Class C12P 5/02
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
5Preparation of hydrocarbons
02acyclic
Appl.No PCT/EP2021/086687 Applicant GLOBAL BIOENERGIES Inventor BENSOUSSAN, Claude
Described is a method for the production of isobutene from a carbon source characterized in that it comprises: (a) culturing a microorganism capable of producing 3-methylcrotonic acid from a carbon source in a liquid culture medium, thereby producing said 3-methylcrotonic acid so that it accumulates in the liquid culture medium; and (b) enzymatically converting said 3-methylcrotonic acid contained in the liquid culture medium obtained in step (a) into isobutene by: (i) incubating a microorganism expressing an FMN-dependent decarboxylase associated with an FMN prenyl transferase with said liquid culture medium containing 3-methylcrotonic acid obtained in step (a); and/or (ii) incubating an FMN-dependent decarboxylase associated with an FMN prenyl transferase with said liquid culture medium containing 3-methylcrotonic acid obtained in step (a); thereby producing said isobutene; and (c) recovering the produced isobutene.
4.20220204553METHODS FOR THE FRACTIONATION OF PROTEINS
US 30.06.2022
Int.Class C07K 1/22
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
1General processes for the preparation of peptides
14Extraction; Separation; Purification
16by chromatography
22Affinity chromatography or related techniques based upon selective absorption processes
Appl.No 17594994 Applicant THE UNIVERSITY OF SYDNEY Inventor Mark LARANCE

The present invention provides methods for the fractionation of low molecular weight proteins from mixed protein populations, and proteins obtained by said methods. The methods described herein may find application in, but are not limited to, the detection and/or quantitation of low abundance and/or low molecular weight proteins in biological samples.

5.20220204996PHOTOSYSTEM I-HYDROGENASE CHIMERAS FOR HYDROGEN PRODUCTION
US 30.06.2022
Int.Class C12P 3/00
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
3Preparation of elements or inorganic compounds except carbon dioxide
Appl.No 17565684 Applicant Kevin Redding Inventor Kevin Redding

Provided herein, in some embodiments, are engineered cells and use of the same for increased hydrogen production. In particular, provided herein are genetically engineered cells comprising a polynucleotide encoding a fusion protein comprising a photosystem I (PSI) protein and an algal hydrogenase, as well as methods for producing such genetically engineered cells. Also provided herein are methods for increasing hydrogen (H2) production in cells.

6.20220204948MACHINE LEARNING GENE MINING METHOD AND PHOSPHINOTHRICIN DEHYDROGENASE MUTANT FOR AMINO TRANSLOCATION
US 30.06.2022
Int.Class C12N 9/06
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
9Enzymes, e.g. ligases (6.); Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating, or purifying enzymes
02Oxidoreductases (1.), e.g. luciferase
06acting on nitrogen containing compounds as donors (1.4, 1.5, 1.7)
Appl.No 17505945 Applicant ZHEJIANG UNIVERSITY OF TECHNOLOGY Inventor YAPING XUE

Disclosed are a machine learning gene mining method and a phosphinothricin dehydrogenase mutant for amino translocation. The phosphinothricin dehydrogenase mutant for amino translocation is obtained by mutation of a wild-type phosphinothricin dehydrogenase with an amino acid sequence as shown in SEQ ID No.2 at one of the following sites: (1) E263D-K134R-H96A-R290V; (2) E263D-K134R-H96A; (3) E263D-K134R; (4) E263D; (5) E263N; (6) E263C; and (7) E263G. The present invention utilizes the site-saturation mutagenesis technology to mutate a phosphinothricin dehydrogenase gene as shown in SEQ ID No. 1, finds that the 263rd, 134th, 290th and 290th positions are the key sites affecting enzyme activity and stereoselectivity, and obtains a mutant with enzyme activity and ee value much higher than those of the parent phosphinothricin dehydrogenase.

7.20220205006Method For Improving Yield Of Sprayed Corn Bran In Corn Wet-Milling Process
US 30.06.2022
Int.Class C12P 19/14
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
19Preparation of compounds containing saccharide radicals
14produced by the action of a carbohydrase, e.g. by alpha-amylase
Appl.No 17611495 Applicant Novozymes A/S Inventor Yi Cao

Disclosed is a method for improving the yield of sprayed corn bran in a corn wet-milling process, an enzyme preparation is added in the process of separating fiber from starch and protein, the fiber residue after the enzyme preparation treatment contains less water, less starch and/or protein residue, and has a looser and more fluffy structure, the yield of the sprayed corn bran in the corn wet-milling process can be remarkably improved while ensuring normal color of the finished sprayed corn bran, that is, the amount of concentrated corn soaking solution sprayed on the fiber corn bran is significantly increased.

8.20220205062USING SYNTHETIC LIXIVIANT BIOLOGY FOR THE RECOVERY OF PRECIOUS AND TOXIC METALS FROM ANTHROPOGENIC SOURCES
US 30.06.2022
Int.Class C22B 11/08
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
11Obtaining noble metals
08by cyaniding
Appl.No 17601802 Applicant NATIONAL UNIVERSITY OF SINGAPORE Inventor Wen Shan YEW

The present invention generally relates to methods of biological reduction of metal-cyanide complexes after metal-cyanidation and methods of biologically hydrolysing cyanide. More particularly, the present invention allows the engineering of an integrated synthetic lixiviant biological system to be housed within a synthetic host (such as the cyanogenic Chromobacterium violaceum) for efficient precious metal recovery and toxic metal remediation of electronic waste; with up to four main components/modules in the design and engineering of the synthetic host: 1) synthetic cyanogenesis; 2) synthetic metal recovery; 3) synthetic cyanolysis; and 4) synthetic circuits for lixiviant biology. Bacteria capable of reducing ionic metal to ionic metal (such as gold or silver) as nanoparticles, comprising mercury(ll) reductase (MerA) comprising a substitution mutation at position V317, Y441, C464, A323D, A414E, G415I, E416C, L417I, I418D, or A422N, are also disclosed. Processes of synthetic cyanide lixiviant production using genetically engineered bacterium transformed with a heterologous hydrogen cyanide synthase gene and a heterologous 3-phosphoglycerate dehydrogenase mutant gene are also disclosed. Processes of synthetic cyanolysis using a genetically engineered bacterium transformed with a heterologous nitrilase gene are also disclosed.

9.WO/2022/133917MODIFIED PHOSPHOENOLPYRUVATE CARBOXYLASE AND APPLICATION THEREOF IN INCREASING YIELD OF AMINO ACIDS OF CORYNEBACTERIUM GLUTAMICUM
WO 30.06.2022
Int.Class C12N 1/21
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
1Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
20Bacteria; Culture media therefor
21modified by introduction of foreign genetic material
Appl.No PCT/CN2020/139053 Applicant WUHAN GRAND HOYO CO., LTD. Inventor PI, Li
A modified Phosphoenolpyruvate carboxylase. Compared to an amino acid sequence of a wild-type Phosphoenolpyruvate carboxylase, amino acids at bit 771 and/or bit 931 and/or bit 943 of an amino acid sequence of the modified Phosphoenolpyruvate carboxylase are substituted. By performing specific site mutation on the amino acid sequence of the wild-type Phosphoenolpyruvate carboxylase, the modified Phosphoenolpyruvate carboxylase obtained has a great influence on metabolism of an amino acid carbon flow; and expressing a coding gene of the modified Phosphoenolpyruvate carboxylase in Corynebacterium glutamicum can effectively increase the yield of amino acids to achieve good application prospect.
10.WO/2022/140232METHOD AND KIT FOR REGENERATING REUSABLE INITIATORS FOR NUCLEIC ACID SYNTHESIS
WO 30.06.2022
Int.Class C12P 19/34
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
19Preparation of compounds containing saccharide radicals
26Preparation of nitrogen-containing carbohydrates
28N-glycosides
30Nucleotides
34Polynucleotides, e.g. nucleic acids, oligoribonucleotides
Appl.No PCT/US2021/064298 Applicant CHEN, Cheng-Yao Inventor CHEN, Cheng-Yao
A method for nucleic acid synthesis and regeneration of a reusable synthesis initiator includes incorporating a linking nucleotide to an immobilized initiator using a polymerase, synthesizing a nucleic acid right after the linking nucleotide using the polymerase, subjecting a substrate base of the linking nucleotide in the nucleic acid to base-excision by a DNA glycosylase to generate an abasic site, subjecting the abasic site to cleavage by an endonuclease to release the nucleic acid from the initiator, and converting the 3' terminus of the initiator back to its original form by a 3' phosphatase activity-possessing enzyme. A kit based on the aforesaid method and a method tor regenerating a reusable initiator are also disclosed.