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Class 435/441 - Mutation employing a chemical mutagenic agent


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Processes wherein structural change in a gene is effected
No. of patents: 109
Last issue date: 01/31/2012


1      
NumberTitleIssue Date
8105836Chemical inhibitors of mismatch repair
Dominant negative alleles of human mismatch repair genes can be used to generate hypermutable cells and organisms. By introducing these genes into cells and transgenic animals, new cell lines and animal varieties with novel and useful properties can be prepared more...
01/31/2012
8021883Antibiotic-sensitive lactic acid bacteria strains
Many probiotic Bifidobacteriacea contains an active tetW that renders the cells resistant to tetracycline. This may present a risk of a horizontal transfer of functional antibiotic genes. The present invention relates to a method of obtaining novel tetracycline-sens...
09/20/2011
7759121Methods for generating hypermutable yeast
Yeast cells are mutagenized to obtain desirable mutants. Mutagenesis is mediated by a defective mismatch repair system which can be enhanced using conventional exogenously applied mutagens. Yeast cells with the defective mismatch repair system are hypermutable, but ...
07/20/2010
7547550Tetraploid watermelons producing small fruits
Tetraploid watermelon inbreds are disclosed. The invention relates to the seeds and plants of the tetraploid watermelon inbreds, the methods of propagating the tetraploid inbreds through seeds and tissue culture. The invention also relates to methods of producing th...
06/16/2009
7368259Method for generating diversity
The invention relates to a method for preparing an antibody-producing cell line capable of directed constitutive hypermutation of a specific nucleic acid region, comprising the steps of: a) screening a clonal cell population for V gene diversity; b) isolating one or...
05/06/2008
7323329Methods for production of hyaluronic acid, and isolated strains of supercapsulated streptococci
Isolated strains of supercapsulated streptococci band at a density of no greater than 1.03 g/cm3 in a Percoll gradient and are capable of producing hyaluronic acid with molecular weight exceeding 6 million Da. Methods of producing high molecular we...
01/29/2008
7303897Method of preparing polynucleotide fragments for use in shuffling, and shuffling of same
The invention relates to a fragmentation process that depends on mismatches between two strands of parental polynucleotides. One embodiment, comprises a method for preparing polynucleotide fragments of DNA comprising formation of heteroduplex molecules by hybridizin...
12/04/2007
7279463Triple-helix forming oligonucleotides for targeted mutagenesis
A high affinity, triplex-forming oligonucleotide and methods for use thereof wherein an oligonucleotide is used to form a triple-stranded nucleic acid molecule with a specific DNA segment of a target DNA molecule. Upon formation of the triplex, the binding of the ol...
10/09/2007
7256259Methods for ligation of molecules to surfaces
The present invention is a method for a covalent ligation of one or more molecules to one or more surfaces, that is site-specific and both rapid and high yielding. The covalent ligation to the surface is based on the reaction of an azide and a phosphinothioester to ...
08/14/2007
7235700Process for producing cyclohexenone long-chain alcohols
A process for producing cyclohexenone long-chain alcohol represented by the following formula (1): (wherein A represents a C10-C18 alkylene or alkenylene group, and each of R1, R2, and R3 individually represents hydrogen or methyl), ...
06/26/2007
7208317In Vitro mutagenesis, phenotyping, and gene mapping
Cellular libraries useful for in vitro phenotyping and gene mapping. In a representative approach, a method for preparing a homozygous cellular library includes the steps of providing a heterozygous cellular library comprising a plurality of isolated parent cells; i...
04/24/2007
7169611Programmable genotoxic agents and uses therefor
The compositions and methods disclosed herein provide heterobifunctional programmable genotoxic compounds that can be designed to kill selected cells present in a heterogenous cell population. The present compounds comprise a first agent that inflicts damage on cell...
01/30/2007
7169964Genetic control of organ abscission
A method for decreasing the rate of organ or floral abscission is described. The method includes modifying the ARF GAP domain of a gene. In one instance the gene is the NEVERSHED gene. ...
01/30/2007
7125695Directed evolution of microorganisms
The present invention provides methods for directing the evolution of microorganisms comprising the use of mutator genes and growth under conditions of selective pressure. The method discloses mutator genes which can be used in the methods of the present invention a...
10/24/2006
7122369Bacterial strains, methods of preparing the same and use thereof in fermentation processes for L-lysine production
The invention provides novel microorganisms, methods for the production thereof and novel processes for the production of amino acids. Mutagenesis of parental bacterial strains and selection of an improved raffinate-resistant phenotype enables the isolation of strai...
10/17/2006
7122339Method for generating diversity
The invention relates to a method for preparing an antibody-producing cell line capable of directed constitutive hypermutation of a specific nucleic acid region, comprising the steps of: a) screening a clonal cell population for V gene diversity; b) isolating one or...
10/17/2006
RE39352Creatine amidinohydrolase, production thereof and use thereof
A creatine amidinohydrolase having the following physicochemical properties: Action: catalyzing the following reaction; creatine+H2O→sarcosine+urea ...
10/17/2006
7118866Heterodimeric receptor libraries using phagemids
Filamentous phage comprising a matrix of cpVIII proteins encapsulating a genome encoding first and second polypeptides of an antogenously assembling receptor, such as an antibody, and a receptor comprised of the first and second polypeptides surface-integrated into ...
10/10/2006
7070941Methods and compositions for tagging via azido substrates
The invention provides methods and compositions for azide tagging of biomolecules. In one embodiment of the invention, proteins are tagged by metabolic incorporation of prenylated azido-analog substrates. Examples of such analogs are azido farnesyl diphosphate and a...
07/04/2006
7033766Construction and screening of lantibody display libraries
A sublancin peptide variant (lantibody) having a spacer region and a subtilin leader peptide fused to the C-terminal end of the mature sublancin peptide provide an anchoring means for inserting and retaining the lantibody in a host cell wall without affecting the in...
04/25/2006
6974884Chemical synthesis of reagents for peptide coupling
The present invention provides improved methods for synthesis of phosphinothiol reagents, as well as novel protected reagents, for use in formation of amide bonds, and particularly for peptide ligation. The invention provides phosphine-borane complexes useful as rea...
12/13/2005
6972320Ligation method and reagents to form an amide bond
Methods and reagents for the formation of amide bonds between an activated carboxylic acid derivative and an azide useful in the synthesis of peptides, proteins and derivatized or labeled amino acids, peptide or proteins. The method involves the formation of a phosp...
12/06/2005
6887707Induction of viral mutation by incorporation of miscoding ribonucleoside analogs into viral RNA
The present invention is directed to the identification and use of ribonucleoside analogs to induce the mutation of an RNA virus, including BVDV, HIV and HCV, or a virus which otherwise replicates through an RNA intermediate. The increase in the mutation rate of the...
05/03/2005
6878817Low density lipoprotein binding proteins and their use in diagnosing and treating atherosclerosis
Isolated polynucleotides encoding novel polypeptides which are capable of binding to native and methylated LDL (low density lipoprotein), the isolated polypeptides, called LBPs (LDL binding proteins), and biologically active fragments and analogs thereof, are descri...
04/12/2005
6875582Methods and targets of antibiotic resistance
The present invention provides for a method of evolving and selecting cells resistant to a selective agent by inducing directed evolution in continuous culture while applying both a mutagenic and selective agent to the cells to determine the cells having resistance....
04/05/2005
6872562Herbicide resistant dinitrogen fixing bacteria and method of use
The present invention is directed to herbicide resistant N2 fixing bacteria. The bacteria are useful for effecting N2 fixation, nodulation, growth and yield of herbicide resistant or tolerant leguminous plants treated with herbicide. The bacter...
03/29/2005
6869601Bacterial mutant BX065 and a method thereof
The present invention relates to a mutant bacteria Xanthomonas oryzae pathovar oryzae BXO65 with mutation at a site coding for enzyme shikimate dehydrogenase and a method of producing said mutant and also a method of screening inhibitors of bacterial pathogen...
03/22/2005
6835867Allelic series of genomic modifications in cells
The present invention relates to methods of producing an allelic series of modifications in genes of interest in a cell. In particular, the invention provides methods for using nucleic acid sequence-modifying agents (e.g., chemicals, electromagnetic radiation, etc.)...
12/28/2004
6740734Bacterial receptor structures
Novel proteins obtainable by mutagenesis of surface-exposed amino acids of domains of natural bacterial receptors, said proteins being obtained without substantial loss of basic structure and stability of said natural bacterial receptors; proteins which have been se...
05/25/2004
6733761Mycobacterial isocitrate lyase gene and uses thereof
The present invention provides a purified and isolated nucleic acid encoding mycobacterial isocitrate lyase, as well as mutated forms of the nucleic acid. Further provided are purified and isolated isocitrate lyase proteins and mutated isocitrate lyase proteins. Add...
05/11/2004
6713261Method for assessing genotoxicity of a compound
The invention concerns a method for assessing in vitro the genotoxicity of a compound, which consist in contacting said compound with at least a cell or cell type overexpressing bcl2 protooncogene and/or related anti-apoptotic protein, and observing the genotoxic ef...
03/30/2004
6706503Directed evolution of microorganisms
The present invention provides methods for directing the evolution of microorganisms comprising the use of mutator genes and growth under conditions of selective pressure. The method discloses mutator genes which can be used in the methods of the present invention a...
03/16/2004
6696294Methods for generating and identifying mutant polyploid plants, and uses therefor
The present invention provides methods for generating and identifying mutations in any target gene of a polyploid plant species. In a preferred aspect of the present invention, a plant is constructed and/or selected that has at least one copy of a functio...
02/24/2004
6666379Method of fabricating a wireless radio frequency identification device
A wireless radio frequency identification device is fabricated from a substrate formed to have conductive lines, at least a portion of which comprise an antenna. An integrated circuit chip and a battery are conductively bonded to the conductive lines on t...
12/23/2003
6653081Methods for monitoring antiretroviral therapy and guiding therapeutic decision in the treatment of HIV/AIDS
This invention relates to antiviral drug susceptibility and resistance tests to be used in identifying effective drug regimens for the treatment of human immunodeficiency virus (HIV) infection and acquired immunodeficiency syndrome (AIDS) and further rela...
11/25/2003
6632923Low density lipoprotein binding proteins and their use in diagnosing and treating atherosclerosis
Isolated polynucleotides encoding novel polypeptides which are capable of binding to native and methylated LDL (low density lipoprotein), the isolated polypeptides, called LBPs (LDL binding proteins), and biologically active fragments and analogs thereof,...
10/14/2003
6599705Regulation of fungal gene expression
Disclosed herein are methods for regulating fungal gene expression, and reagents for carrying out those methods....
07/29/2003
6548070Attenuated strains of mycobacteria
Attenuated strains of Mycobacterium, particularly species of the tuberculosis complex, have the mycobacterial cell entry (mce) gene functionally disabled. The gene may be disabled by an insertion into the gene which disrupts the mycobacterial cell entry f...
04/15/2003
6537795Method and means for the production of hyaluronic acid
A method for selecting streptococcus strains capable of producing hyaluronic acid with molecular weight exceeding six million includes the steps of cultivating strains of streptococci individually in culture medium which is free of metal ions which promot...
03/25/2003
6531303Method of producing geranylgeraniol
The invention provides a biological method of producing geranylgeraniol....
03/11/2003
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