ClassID:

118368

C12Y603/01002 - CPC Classification

Classification description:

Ligases forming carbon-nitrogen bonds (6.3); Acid-ammonia (or amine)ligases (amide synthases)(6.3.1) Glutamate-ammonia ligase (6.3.1.2)

Recent Application in this class:
#1
20260085327
2026-03-26

METABOLIC SELECTION VIA THE SERINE BIOSYNTHESIS PATHWAY

#2
20260028611
2026-01-29

METABOLIC SELECTION VIA ASPARAGINE BIOSYNTHESIS PATHWAY

#3
20250366419
2025-12-04

GUIDED MICROBIAL REMODELING, A PLATFORM FOR THE RATIONAL IMPROVEMENT OF MICROBIAL SPECIES FOR AGRICULTURE

#4
20250304997
2025-10-02

POLYNUCLEOTIDES WITH SELECTION MARKERS

#5
20250287969
2025-09-18

THEANINE-PRODUCING STRAIN AND USE THEREOF IN TEA FERMENTATION PRODUCTION

#6
20250243130
2025-07-31

PHOSPHATE SENSING MICROBIAL GENE SWITCH

#7
20250223581
2025-07-10

NEW GLUTAMINE SYNTHETASE VARIANTS AS SELECTION MARKER

#8
20250221954
2025-07-10

METHODS TO TREAT, PREVENT, OR REDUCE HYPERAMMONEMIA

#9
20250146037
2025-05-08

HYALURONIC ACID-PRODUCING RECOMBINANT CELLS

#10
20250136966
2025-05-01

ATTENUATED GLUTAMINE SYNTHETASE AS A SELECTION MARKER

#11
20250108095
2025-04-03

DEGRADATION OF TOXINS IN VIVO

#12
20250101402
2025-03-27

SELECTABLE MARKERS FOR EUKARYOTIC EXPRESSION SYSTEM

#13
20250066491
2025-02-27

NOVEL MARKERS FOR RECOMBINANT PRODUCTION SYSTEM

#14
20250027052
2025-01-23

VECTORS INCORPORATING A COMBINATION OF PROMOTERS DRIVING SELECTABLE MARKER EXPRESSION

#15
20250003940
2025-01-02

BIOSENSOR, BIOSENSOR COMPONENTS, AND USE THEREOF

#16
20240360484
2024-10-31

METHODS FOR REGULATING NITROGEN METABOLISM DURING THE PRODUCTION OF ETHANOL FROM CORN BY METABOLICALLY ENGINEERED YEAST STRAINS

#17
20240150746
2024-05-09

USE OF GLUTAMINE SYNTHETASE FOR TREATING HYPERAMMONEMIA

#18
20240124868
2024-04-18

ATTENUATED GLUTAMINE SYNTHETASE AS A SELECTION MARKER

#19
20240124850
2024-04-18

Auxotrophic Cells for Virus Production and Compositions and Methods of Making

#20
20240093196
2024-03-21

MODIFICATIONS OF MAMMALIAN CELLS USING ARTIFICIAL MICRO-RNA TO ALTER THEIR PROPERTIES AND THE COMPOSITIONS OF THEIR PRODUCTS

#21
20240043878
2024-02-08

GENERATION OF A HIGH PRODUCING RECOMBINANT CHINESE HAMSTER OVARY CELL LINE FOR THERAPEUTIC PROTEIN PRODUCTION

#22
20240010576
2024-01-11

METHODS AND COMPOSITIONS FOR IMPROVING PLANT TRAITS

#23
20230331798
2023-10-19

GLYCOSYLATION-MODIFIED ERYTHOPOIETIN AND USE THEREOF

#24
20230295625
2023-09-21

MODIFICATIONS OF MAMMALIAN CELLS USING ARTIFICIAL MICRO-RNA TO ALTER THEIR PROPERTIES AND THE COMPOSITIONS OF THEIR PRODUCTS

#25
20230220430
2023-07-13

RECOMBINANT VECTOR FOR TRANSFORMATION IMPROVING GLUTAMINE PRODUCTIVITY, AND STRAIN EMPLOYING SAME

#26
20230048658
2023-02-16

DIRECT SELECTION OF CELLS EXPRESSING HIGH LEVELS OF HETEROMERIC PROTEINS USING GLUTAMINE SYNTHETASE INTRAGENIC COMPLEMENTATION VECTORS

#27
20230002789
2023-01-05

Compositions and methods for increasing the efficiency of cell cultures used for food production

#28
20220401532
2022-12-22

USE OF GLUTAMINE SYNTHETASE FOR TREATING HYPERAMMONEMIA

#29
20220401531
2022-12-22

Use of glutamine synthetase for treating hyperammonemia

#30
20220356488
2022-11-10

Asparaginase Based Selection System for Heterologous Protein Expression in Mammalian Cells

#31
20220356487
2022-11-10

MAMMALIAN EXPRESSION VECTORS

#32
20220333137
2022-10-20

METHODS AND PRODUCTS FOR PRODUCING ENGINEERED MAMMALIAN CELL LINES WITH AMPLIFIED TRANSGENES

#33
20220251594
2022-08-11

GLUTAMINE SYNTHETASE MUTANT HAVING GLUFOSINATE AMMONIUM RESISTANCE AND APPLICATION THEREOF AND CULTIVATION METHOD THEREFOR

#34
20220218802
2022-07-14

USE OF GLUTAMINE SYNTHETASE FOR TREATING FATTY LIVER DISEASE

#35
20220177930
2022-06-09

Methods for regulating nitrogen metabolism during the production of ethanol from corn by metabolically engineered yeast strains

#36
20220112500
2022-04-14

Modifications of mammalian cells using artificial micro-RNA to alter their properties and the compositions of their products

#37
20220010340
2022-01-13

BACTERIAL-DERIVED NITROGEN SOURCE FOR ETHANOL FERMENTATION

#38
20210340570
2021-11-04

Compositions and methods for increasing the efficiency of cell cultures used for food production

#39
20210317435
2021-10-14

DOUBLE KNOCK-OUT CHO CELL LINE METHOD OF ITS GENERATION AND PRODUCING THERAPEUTIC PROTEINS THEREFROM

#40
20210317168
2021-10-14

Complement Component 1s (C1s) Deficient Cells for Production of Vaccines and Biopharmaceutical Proteins

#41
20210214282
2021-07-15

Methods and compositions for improving plant traits

#42
20210180079
2021-06-17

MODIFICATION OF GLUTAMINE SYNTHETASE TO IMPROVE YIELD IN PLANTS

#43
20210145946
2021-05-20

USE OF GLUTAMINE SYNTHETASE FOR TREATING HYPERAMMONEMIA

#44
20210102230
2021-04-08

METHODS OF MANUFACTURING THERAPEUTIC PROTEINS

#45
20200362344
2020-11-19

Modifications of mammalian cells using artificial micro-RNA to alter their properties and the compositions of their products

#46
20200157578
2020-05-21

Methods for regulating nitrogen metabolism during the production of ethanol from corn by metabolically engineered yeast strains

#47
20200087221
2020-03-19

Methods and compositions for improving plant traits

#48
20190352631
2019-11-21

Attenuated glutamine synthetase as a selection marker

#49
20190249199
2019-08-15

METHODS AND PRODUCTS FOR PRODUCING ENGINEERED MAMMALIAN CELL LINES WITH AMPLIFIED TRANSGENES

#50
20190127452
2019-05-02

Direct selection of cells expressing high levels of heteromeric proteins using glutamine synthetase intragenic complementation vectors

#51
20190048373
2019-02-14

Glutamine synthetase reaction and method for quantifying ammonia utilizing the same

#52
20180297906
2018-10-18

Methods and compositions for improving plant traits

#53
20180297905
2018-10-18

Methods and compositions for improving plant traits

#54
20180273437
2018-09-27

Methods and compositions for improving plant traits

#55
20180195083
2018-07-12

Improvement of Plant Yield

#56
20180163233
2018-06-14

METHODS AND PRODUCTS FOR PRODUCING ENGINEERED MAMMALIAN CELL LINES WITH AMPLIFIED TRANSGENES

#57
20180135090
2018-05-17

Methods of manufacturing therapeutic proteins

#58
20180112250
2018-04-26

Quantification method for ammonia, quantification reagent kit, test piece, and ammonia quantification device

#59
20180057807
2018-03-01

Gene modification in clostridium for increased alcohol production

#60
20180037927
2018-02-08

Quantification Method for Ammonia, Quantification Reagent, Quantification Reagent Kit, Test Piece, and Ammonia Quantification Device

#61
20170051301
2017-02-23

Transgenic plants with enhanced growth characteristics

#62
20160330964
2016-11-17

Methods and compositions for weed control

#63
20160222471
2016-08-04

SCREENING FOR NITROGEN FIXATION

#64
20160137972
2016-05-19

TRANSGENIC ALGAE ENGINEERED FOR HIGHER PERFORMANCE

#65
20160108415
2016-04-21

Manipulation of glutamine symthetases (GS) to improve nitrogen use efficiency and grain yield in higher plants

#66
20160017377
2016-01-21

Methods for regulating nitrogen metabolism during the production of ethanol from corn by metabolically engineered yeast strains

#67
20160017372
2016-01-21

Methods and products for producing engineered mammalian cell lines with amplified transgenes

#68
20150337331
2015-11-26

Expression vector

#69
20150140607
2015-05-21

CHO expression system

#70
20150087067
2015-03-26

Methods and compositions for inactivating glutamine synthetase gene expression

#71
20150044753
2015-02-12

Expression vector comprising a polynucleotide encoding a modified glutamine synthetase and a method for preparing a target protein employing the same

#72
20130247247
2013-09-19

Methods and compositions for weed control

#73
20120190069
2012-07-26

GLUTAMINE-AUXOTHROPHIC HUMAN CELLS CAPABLE OF PRODUCING PROTEINS AND CAPABLE OF GROWING IN A GLUTAMINE-FREE MEDIUM

#74
20110217780
2011-09-08

Transgenic algae engineered for higher performance

#75
20110030089
2011-02-03

Transgenic plants with enhanced growth characteristics

#76
20100311124
2010-12-09

Methods and compositions for inactivating glutamine synthetase gene expression

#77
20100129869
2010-05-27

Methods and compositions for inactivating glutamine synthetase gene expression

#78
20070166285
2007-07-19

Systems and methods related to degradation of uremic toxins

#79
20060183676
2006-08-17

Treatment of mycobacterium tuberculosis with antisense oligonucleotides

#80
20050277132
2005-12-15

Nematode GS-like sequences

#81
20050196824
2005-09-08

Chaperonin and osmolyte protein folding and related screening methods

#82
20050123529
2005-06-09

Systems and methods related to degradation of uremic toxins

#83
20050084928
2005-04-21

Glutamine-auxothrophic human cells capable of producing proteins and capable of growing in a glutamine-free medium

#84
15138165
2017-02-14

Cell line containing a knockout of the glutamine synthetase (GS) gene and a method of producing target proteins using a GS knockout HEK293 cell line