Ribonuclease (3.1.4) Patents (Class 435/199)
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Publication number: 20140154780Abstract: Methods and compositions are provided for engineering mutant enzymes with reduced star activity where the mutant enzymes have a fidelity index (FI) in a specified buffer that is greater than the FI of the non-mutated enzyme in the same buffer.Type: ApplicationFiled: December 20, 2013Publication date: June 5, 2014Applicant: NEW ENGLAND BIOLABS, INC.Inventors: Zhenyu Zhu, Aine Quimby, Shengxi Guan, Dapeng Sun, Yishu Huang, Xuhui Lai, Siu-hong Chan, Xianghui Li, Shuang-Yong Xu, Chunhua Zhang
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Patent number: 8735127Abstract: A method of preventing, inhibiting and/or reversing cell motility, actin filament assembly or disassembly, proliferation, colonization, differentiation, accumulation and/or development of abnormal cells in a subject is disclosed. The method is effected by administering to the subject a therapeutically effective amount of a ribonuclease of the T2 family having actin binding activity.Type: GrantFiled: September 9, 2013Date of Patent: May 27, 2014Assignee: Yissum Research Development Company of the Hebrew University of JerusalemInventors: Levava Roiz, Betty Schwartz, Patricia Smirnoff, Oded Shoseyov
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Publication number: 20140134704Abstract: An antimicrobial activity enhancing agent for lactoferrin or a lactoferrin hydrolysate, which contains ribonuclease-4 as an active ingredient, and a method for producing an antimicrobial activity enhancing agent for lactoferrin or a lactoferrin hydrolysate, which comprises (a) the step of contacting raw milk with a cation exchange resin to adsorb proteins in the raw milk to the cation exchange resin, (b) the step of washing the cation exchange resin having undergone the adsorption treatment, and flowing an elution solvent to elute a protein fraction having an isoelectric point of 8.0 to 10.0, and (c) the step of subjecting the eluted protein fraction to gel filtration using a gel filtration carrier to collect a fraction of a molecular weight of 30 kDa or less.Type: ApplicationFiled: July 29, 2011Publication date: May 15, 2014Applicant: MORINAGA MILK INDUSTRY CO., LTD.Inventors: Mai Murata, Hiroyuki Wakabayashi, Koji Yamauchi
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Patent number: 8715992Abstract: Method of preparing I-CreI meganuclease variants having a modified cleavage specificity, variants obtainable by said method and their applications either for cleaving new DNA target or for genetic engineering and genome engineering for non-therapeutic purposes. Nucleic acids encoding said variants, expression cassettes comprising said nucleic acids, vectors comprising said expression cassettes, cells or organisms, plants or animals except humans, transformed by said vectors.Type: GrantFiled: March 16, 2012Date of Patent: May 6, 2014Assignee: CellectisInventors: Philippe Duchateau, Frederic Paques
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Patent number: 8715676Abstract: Described herein are methods to express and purify recombinant type 1 ribosome inactivating proteins. Included are methods for using recombinant cucurmosin as a therapeutic to treat cancer and infectious diseases.Type: GrantFiled: February 27, 2009Date of Patent: May 6, 2014Assignee: Bioo Scientific CorporationInventor: Mingang Chen
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Publication number: 20140113296Abstract: This disclosure provides method for adding an adaptor to a genomic sequence by invasive cleavage, as well as a kit for performing the method. In some embodiments, the method comprises: a) hybridizing genomic DNA to an adaptor comprising a double stranded region and a single stranded region comprising a 5? overhang to produce a substrate for a flap endonuclease; b) cleaving the substrate using the flap endonuclease; c) ligating the recessed end of the double stranded region to the fragment to produce an adaptor-ligated DNA; d) intramolecularly ligating the ends of the adaptor-ligated DNA to produce a circular DNA molecule; and e) enzymatically processing the circular DNA molecule using an oligonucleotide that hybridizes to the adaptor and an enzyme. A kit for performing the method is also provided.Type: ApplicationFiled: August 9, 2013Publication date: April 24, 2014Inventors: Fredrik Dahl, Olof John Ericsson, Henrik Johansson, Maithreyan Srinivasan
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Patent number: 8697359Abstract: The invention provides for systems, methods, and compositions for altering expression of target gene sequences and related gene products. Provided are vectors and vector systems, some of which encode one or more components of a CRISPR complex, as well as methods for the design and use of such vectors. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for utilizing the CRISPR-Cas system.Type: GrantFiled: October 15, 2013Date of Patent: April 15, 2014Assignees: The Broad Institute, Inc., Massachusetts Institute of TechnologyInventor: Feng Zhang
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Patent number: 8697395Abstract: Use of meganucleases for cleaving DNA in a non-human or an isolated human cell and, in some instances, inducing homologous recombination in said cells and to its application for genome engineering and gene therapy.Type: GrantFiled: July 24, 2012Date of Patent: April 15, 2014Assignee: Cellectis S.A.Inventors: Sylvain Arnould, Patrick Chames, Phillippe Duchateau, Jean-Charles Epinat, Emmanuel Lacroix, Frederic Paques
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Patent number: 8697065Abstract: The present invention is directed toward the delivery of a toxic protein to pathogenic cells, particularly cancer cells. In preferred embodiments, the toxic protein is a ribonuclease that has been modified to make it toxic to target cells and that can be conjugated to a target cell-specific delivery vector, such as an antibody, for delivery to pathogenic cells.Type: GrantFiled: June 20, 2013Date of Patent: April 15, 2014Assignee: Quintessence Biosciences, Inc.Inventors: Laura E. Strong, Peter A. Leland, Thomas Burke
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Patent number: 8697062Abstract: The present invention relates generally to conjugates of human ribonucleases and water-soluble polymers, compositions comprising the conjugates and methods of using the same. In particular, the present invention provides conjugates of human ribonucleases and one or more water-soluble polymer compositions (e.g., to increase serum half-life and a pharmacokinetic profile, in vivo biological activity, stability, and/or reduce host immune response to the protein in vivo) as well as methods of using the conjugates in the therapy, treatment, and/or prevention of disease (e.g., cancer).Type: GrantFiled: October 8, 2008Date of Patent: April 15, 2014Assignee: Quintessence Biosciences, Inc.Inventors: Ronald T. Raines, Thomas J. Rutkoski, John A. Kink, Laura E. Strong
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Publication number: 20140099696Abstract: Microspheres are produced by contacting a solution of a macromolecule or small molecule in a solvent with an antisolvent and a counterion, and chilling the solution. The microspheres are useful for preparing pharmaceuticals, nutraceuticals, cosmetic products and the like of defined dimensions.Type: ApplicationFiled: April 30, 2013Publication date: April 10, 2014Applicant: Ansun Biopharma, Inc.Inventors: Michael P. Malakhov, Fang Fang
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Patent number: 8691549Abstract: Compositions and methods are provided for enzymes with altered properties that involve a systematic approach to mutagenesis and a screening assay that permits selection of the desired proteins. Embodiments of the method are particularly suited for modifying specific properties of restriction endonucleases such as star activity. The compositions includes restriction endonucleases with reduced star activity as defined by an overall fidelity index improvement factor.Type: GrantFiled: January 8, 2013Date of Patent: April 8, 2014Assignee: New England Biolabs, Inc.Inventors: Zhenyu Zhu, Aine Quimby, Shuang-Yong Xu, Shengxi Guan, Hua Wei, Penghua Zhang, Dapeng Sun, Siu-hong Chan
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Patent number: 8685689Abstract: Specified restriction endonucleases have been characterized for the first time by their amino acid and DNA sequences. These sequences and those with at least 90% identity thereto have been used as probes in sequence similarity analyses to identify sequence matches in a sequence database that corresponds to novel restriction endonucleases or isoschizomers. The sequence similarity analyses includes selecting a positive sequence match from any sequence producing an expectation value of less than or equal to e?02.Type: GrantFiled: June 6, 2012Date of Patent: April 1, 2014Assignee: New England Biolabs, Inc.Inventors: Richard D. Morgan, Richard J. Roberts
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Publication number: 20140087427Abstract: The invention relates to a new double-stranded RNA endoribonuclease, its derivative and/or variant, which has a loop locating in and interacting with the major groove of the double-stranded RNA, exhibiting sequence specific properties in the double-stranded RNA cleavage.Type: ApplicationFiled: November 25, 2013Publication date: March 27, 2014Applicant: Miedzynarodowy Instytut Biologii Molekulamej I KomorkowejInventors: Janusz Marek Bujnicki, Krzysztof Jerzy Skowronek, Dariusz Pianka, Agata Agnieszka Sulej
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Publication number: 20140087426Abstract: This application provides transcription activator-like effector nucleases (TALENs), polynucleotide sequences encoding the TALENs, expression cassettes for producing TALENs to target cleavage of nucleic acids, and methods of producing and using the TALENs.Type: ApplicationFiled: September 24, 2013Publication date: March 27, 2014Applicant: The Chinese University of Hong KongInventors: Yun LIU, Christopher H.K. Cheng
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Patent number: 8673610Abstract: Compositions and methods are provided for enzymes with altered properties that involve a systematic approach to mutagenesis and a screening assay that permits selection of the desired proteins. Embodiments of the method are particularly suited for modifying specific properties of restriction endonucleases such as star activity. The compositions includes restriction endonucleases with reduced star activity as defined by an overall fidelity index improvement factor.Type: GrantFiled: January 8, 2013Date of Patent: March 18, 2014Assignee: New England Biolabs, Inc.Inventors: Zhenyu Zhu, Aine Quimby, Shuang-Yong Xu, Shengxi Guan, Hua Wei, Penghua Zhang, Dapeng Sun, Siu-hong Chan
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Patent number: 8673591Abstract: This invention provides reductase proteins that comprise NH2Y unnatural amino acid residues, systems of orthogonal elements for incorporating NH2Y into reductases and methods of using NH2Y amino acid residues in reductases as molecular probes for probing reductases function, structure and activity.Type: GrantFiled: October 23, 2008Date of Patent: March 18, 2014Assignees: The Scripps Research Institute, Massachusetts Institute of TechnologyInventors: Mohammad R. Seyedsayamdost, Jianming Xie, Clement Tsz Chan, Lital Alfonta, Peter G. Schultz, Joanne Stubbe
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Publication number: 20140068797Abstract: The present disclosure provides a DNA-targeting RNA that comprises a targeting sequence and, together with a modifying polypeptide, provides for site-specific modification of a target DNA and/or a polypeptide associated with the target DNA. The present disclosure further provides site-specific modifying polypeptides. The present disclosure further provides methods of site-specific modification of a target DNA and/or a polypeptide associated with the target DNA The present disclosure provides methods of modulating transcription of a target nucleic acid in a target cell, generally involving contacting the target nucleic acid with an enzymatically inactive Cas9 polypeptide and a DNA-targeting RNA. Kits and compositions for carrying out the methods are also provided. The present disclosure provides genetically modified cells that produce Cas9; and Cas9 transgenic non-human multicellular organisms.Type: ApplicationFiled: March 15, 2013Publication date: March 6, 2014Applicants: UNIVERSITY OF VIENNA, THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Jennifer A. Doudna, Martin Jinek, Emmanuelle Charpentier, Krzysztof Chylinski, James Harrison Doudna Cate, Wendell Lim, Lei Qi
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Patent number: 8663964Abstract: Two RNases (ranpirnase and the second embodiment disclosed in U.S. Pat. No. 5,728,805) are tested against human papillomavirus infections. QRT-PCR assays indicate that the RNases have anti-viral activity against type 11 HPV.Type: GrantFiled: July 20, 2011Date of Patent: March 4, 2014Assignee: Tamir Biotechnology, Inc.Inventors: Shailendra K. Saxena, Wojciech Ardelt
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Patent number: 8652821Abstract: The present invention provides compositions and methods for purifying RNA-free DNA from a sample.Type: GrantFiled: October 19, 2011Date of Patent: February 18, 2014Assignee: Bio-Rad Laboratories, Inc.Inventors: Steven T. Okino, Yan Wang
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Publication number: 20140044711Abstract: Hybrid nuclease molecules and methods for treating an immune-related disease or disorder in a mammal, and a pharmaceutical composition for treating an immune-related disease in a mammal.Type: ApplicationFiled: April 27, 2012Publication date: February 13, 2014Applicant: UNIVERSITY OF WASHINGTONInventors: Jeffrey A. Ledbetter, Martha Hayden-Ledbetter, Keith Elkon, Xizhang Sun
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Patent number: 8637291Abstract: Methods and compositions are provided for engineering mutant enzymes with reduced star activity where the mutant enzymes have a fidelity index (FI) in a specified buffer that is greater than the FI of the non-mutated enzyme in the same buffer.Type: GrantFiled: February 7, 2011Date of Patent: January 28, 2014Assignee: New England Biolabs, Inc.Inventors: Zhenyu Zhu, Aine Quimby, Shengxi Guan, Dapeng Sun, Yishu Huang, Xuhui Lai, Siu-hong Chan, Xianghui Li, Shuang-Yong Xu, Chunhua Zhang
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Patent number: 8628768Abstract: The present invention relates to the use of ribonucleases (RNases) in the treatment or prevention of disease.Type: GrantFiled: July 10, 2012Date of Patent: January 14, 2014Assignee: Quintessence Biosciences, Inc.Inventors: Tony Klink, John Kink, Laura Strong
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Patent number: 8629322Abstract: A genome shuffling method for autogamous plants, including producing individuals having the following three traits in a tight coupling linkage by a gene engineering technique selected from a transgenic technique and a gene targeting technique: 1) dominant male sterility, 2) chemical tolerance and 3) lethality inducible by activating an inducible promoter, selecting, from progeny of the individuals, male-sterile individuals by means of the chemical tolerance described in 2) and male-fertile individuals by means of the lethality described in 3), arranging the male-sterile individuals and the male-fertile individuals close together in flowering periods thereof, so that the male-sterile individuals are crossed with the male-fertile individuals, harvesting seeds from the male-sterile individuals, and repeating outcrossing using the seeds from generation to generation.Type: GrantFiled: October 29, 2010Date of Patent: January 14, 2014Inventor: Junichi Tanaka
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Patent number: 8628945Abstract: Compositions and methods are provided for enzymes with altered properties that involve a systematic approach to mutagenesis and a screening assay that permits selection of the desired proteins. Embodiments of the method are particularly suited for modifying specific properties of restriction endonucleases such as star activity. The compositions includes restriction endonucleases with reduced star activity as defined by an overall fidelity index improvement factor.Type: GrantFiled: January 8, 2013Date of Patent: January 14, 2014Assignee: New England Biolabs, Inc.Inventors: Zhenyu Zhu, Aine Quimby, Shuang-Yong Xu, Shengxi Guan, Hua Wei, Penghua Zhang, Dapeng Sun, Siu-hong Chan
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Publication number: 20140011196Abstract: A restriction endonuclease with a recognition sequence 5?-TCGA-3?. The restriction endonuclease is sensitive to the presence of a modified cytosine residue in the recognition sequence. Methods and kits using the restriction endonuclease with a recongition sequence 5?-TCGA-3? are also disclosed.Type: ApplicationFiled: July 1, 2013Publication date: January 9, 2014Inventors: Renata Rimseliene, Remigijus Skirgaila, Arvydas Lubys
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Patent number: 8624000Abstract: A monomer of an I-CreI meganuclease variant wherein said monomer comprises mutations in the amino acid sequence of SEQ ID NO: 34, wherein said mutations include, (i) at least one and up to five amino acid substitutions from residue Q44 to residue R70, said substitutions selected from the group consisting of substitutions at positions Q44, T46, Y66, R68 and R7; and (ii) at least one and up to six amino acid substitutions from residue Q26 to residue Q38 said substitutions selected from the group consisting of substitutions at positions Q26, K28, N30, S32, Y33 and Q38, and wherein said monomer when in dimeric form binds and cleaves a DNA target sequence. Said dimeric forms include homodimeric, heterodimeric and single-chain I-CreI meganuclease variants.Type: GrantFiled: May 31, 2012Date of Patent: January 7, 2014Assignee: Cellectis S.A.Inventors: Sylvain Arnould, Patrick Chames, Phillippe Duchateau, Jean-Charles Epinat, Emmanuel Lacroix, Frederic Paques
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Publication number: 20140004594Abstract: This invention relates to altered forms of members of the RNase A superfamily. An RNase A can be modified to be cytotoxic by altering its amino acid sequence so that it is not bound easily by the ribonuclease inhibitor while still retaining catalytic properties. While earlier work had identified some modifications to RNase A that would result in cytotoxicity, the use of the FADE algorithm for molecular interaction analysis has led to several other locations that were candidates for modification. Some of those modifications did result in RNase A variants with increase cytotoxicity.Type: ApplicationFiled: August 30, 2013Publication date: January 2, 2014Applicant: Wisconsin Alumni Research FoundationInventors: Ronald T. Raines, Julie C. Mitchell, Thomas J. Rutkoski
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Patent number: 8617867Abstract: A method of preventing, inhibiting and/or reversing cell motility, actin filament assembly or disassembly, proliferation, colonization, differentiation, accumulation and/or development of abnormal cells in a subject is disclosed. The method is effected by administering to the subject a therapeutically effective amount of a ribonuclease of the T2 family having actin binding activity.Type: GrantFiled: January 1, 2012Date of Patent: December 31, 2013Assignee: Yissum Research Develpment Company of the Hebrew University of JerusalemInventors: Levava Roiz, Betty Schwartz, Patricia Smirnoff, Oded Shoseyov
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Publication number: 20130345162Abstract: Anti-viral therapeutics for use in viral targets having VPg unlinkase activity, including the broad class of picornaviruses, and therapeutic methods directed at suppression of such activity are provided. Such anti-viral therapies for use against human rhinovirus, for example, are particularly desirable as they would lessen both the severity and duration of upper respiratory distress in both normal and asthmatic individuals. Assays and purification protocols for detecting and purifying VPg unlinkase are also provided.Type: ApplicationFiled: April 22, 2013Publication date: December 26, 2013Applicant: The Regents of the University of CaliforniaInventors: Bert L. Semler, Richard Virgen-Slane, Janet M. Rozovics, Paul D. Gershon
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Publication number: 20130330778Abstract: A method of processing a target RNA is provided. In certain embodiments, this method comprises: contacting the products of an RNA ligase-mediated ligation reaction with an CAS6 protein, wherein: (i) the RNA ligase-mediated ligation reaction comprises: a target RNA, an RNA ligase, and first and second adaptors that can ligate together to produce an adaptor dimer that contains a CRISPR stem loop; and (ii) the CAS6 protein recognizes the CRISPR stem loop; thereby preventing the adaptor dimer from being reverse transcribed.Type: ApplicationFiled: May 15, 2013Publication date: December 12, 2013Inventors: Gusti Zeiner, Laurakay Bruhn
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Publication number: 20130330805Abstract: Embodiments of the present invention generally relate to processing of peptides in urea solutions and substantial prevention of carbamylation of the peptide.Type: ApplicationFiled: August 19, 2013Publication date: December 12, 2013Applicant: Fujifilm Diosynth Biotechnologies U.S.A., Inc.Inventors: Philip A. Ropp, Christie Lynn Williams, Michael Murray, Miao Fang Lin
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Patent number: 8604281Abstract: A process of producing transgenic multi-cellular plants or parts thereof expressing a trait of interest that has a controlled distribution of said trait to progeny, comprising (i) producing a first plant or a cell thereof having in a first locus of a nuclear chromosome a first heterologous nucleotide sequence comprising a first fragment of a nucleotide sequence encoding said trait of interest, (ii) producing a second plant or a cell thereof having in a second locus of a nuclear chromosome homologous to said nuclear chromosome of step (i), a second heterologous nucleotide sequence comprising a second fragment of the nucleotide sequence encoding said trait of interest, and (iii) hybridising said first and said second plants or cells thereof to generate progeny exhibiting said functional trait of interest. Also disclosed is a process of producing hybrid seeds for agriculture.Type: GrantFiled: May 14, 2012Date of Patent: December 10, 2013Assignee: Bayer CropScience NVInventors: Stefan Werner, Anatoly Giritch, Serik Eliby, Sylvestre Marillonnet, Victor Klimyuk, Yuri Gleba
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Publication number: 20130288245Abstract: The invention provides a provides improvements to assays that employ RNase H cleavage for biological applications related to nucleic acid amplification and detection, where the RNase H has been reversibly inactivated.Type: ApplicationFiled: March 15, 2013Publication date: October 31, 2013Applicant: Integrated DNA TechnologiesInventors: Joseph Alan WALDER, Mark Aaron BEHLKE, Scott D. ROSE, Joseph DOBOSY, Susan Marie RUPP
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SECRETION YIELD OF A PROTEIN OF INTEREST BY IN VIVO PROTEOLYTIC PROCESSING OF A MULTIMERIC PRECURSOR
Publication number: 20130273606Abstract: The invention relates to a nucleic acid molecule encoding a multimeric precursor which after transcription is specifically cleaved in vivo to form multiple copies of a protein of interest. The invention further relates to a cell comprising this nucleic acid molecule and a method for producing a protein of interest using this cell.Type: ApplicationFiled: April 18, 2013Publication date: October 17, 2013Inventors: Anna Cornelia Hendrika VAN HAUTUM, Arjo Lysander DE BOER, Jan Bastiaan BOUWSTRA, Peter Franciscus Theresius Maria VAN ASTEN -
Publication number: 20130267009Abstract: Disclosed are rationally-designed, non-naturally-occurring meganucleases in which a pair of enzyme subunits having specificity for different recognition sequence half-sites are joined into a single polypeptide to form a functional heterodimer with a non-palindromic recognition sequence. The invention also relates to methods of producing such meganucleases, and methods of producing recombinant nucleic acids and organisms using such meganucleases.Type: ApplicationFiled: May 20, 2013Publication date: October 10, 2013Inventors: James Jefferson SMITH, Derek JANTZ
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Patent number: 8551753Abstract: The invention provides methods of removing nucleic acid contamination from reverse transcription reactions and hot-start PCR, wherein said hot-start PCR is a barrier hot-start PCR set up and/or involves a hot-start DNA polymerase, which methods comprise use of a DNase that is substantially irreversibly inactivated by heating at a temperature of about 50° C. for 5 minutes, and that is substantially specific for double stranded DNA. The invention further provides a DNase that is substantially irreversibly inactivated by heating at a temperature of about 50° C. for 5 minutes, and that is substantially specific for double stranded DNA, nucleic acids encoding said DNase and kits or compositions comprising said DNase or said nucleic acid.Type: GrantFiled: July 21, 2010Date of Patent: October 8, 2013Assignee: Biotec Pharmacon ASAInventors: Olav Lanes, Morten Elde, Dag Rune Gjellesvik
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Patent number: 8551426Abstract: Provided are an RNase activity inhibitory compound to effectively control the activity of the RNase promoting degradation of extracted RNAs and, in addition, a sample storage container including the same. The RNase activity inhibitory compound and the sample storage container according to the present invention may be effectively used to store RNAs during RNA extraction or the extracted RNAs.Type: GrantFiled: June 12, 2009Date of Patent: October 8, 2013Assignee: Bioneer CorporationInventors: Jong Hoon Kim, Hwangseo Park, Han Oh Park
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Publication number: 20130244304Abstract: Specified restriction endonucleases have been characterized for the first time by their amino acid and DNA sequences. These sequences and those with at least 90% identity thereto have been used as probes in sequence similarity analyses to identify sequence matches in a sequence database that corresponds to novel restriction endonucleases or isoschizomers. The sequence similarity analyses includes selecting a positive sequence match from any sequence producing an expectation value of less than or equal to e-02.Type: ApplicationFiled: May 30, 2012Publication date: September 19, 2013Applicant: NEW ENGLAND BIOLABS, INC.Inventors: Richard D. Morgan, Richard J. Roberts
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Patent number: 8535925Abstract: Modified DNase polypeptides and methods of their use are provided.Type: GrantFiled: April 2, 2010Date of Patent: September 17, 2013Assignee: Bio-Rad Laboratories, Inc.Inventors: Gayathri Ramaswamy, Yan Wang
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Patent number: 8530214Abstract: The present invention relates to a polynucleotide encoding a monomer of an I-CreI variant said monomer comprising mutations in the amino acid sequence of SEQ ID NO: 34, wherein said mutations include: (i) at least one and up to eleven amino acid substitutions from residue S22 to Q44 said substitutions selected from the group consisting of substitutions at positions I24, Q26, K28, N30, S32, Y33, Q38, S40 and T42; and (ii) at least one and up to six amino acid substitutions from residue Y66 to I77 said substitutions selected from the group consisting of substitutions at positions Y66, R68, R70, V73 and I77; and wherein said monomer when in dimeric form binds and cleaves DNA.Type: GrantFiled: June 3, 2011Date of Patent: September 10, 2013Assignee: Cellectis S.A.Inventors: Sylvain Arnould, Patrick Chames, Philippe Duchateau, Jean-Charles Epinat, Emmanuel Lacroix, Frederic Paques
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Publication number: 20130225451Abstract: The present invention provides materials and methods useful for error correction of nucleic acid molecules. In one embodiment of the invention, a first plurality of double-stranded nucleic acid molecules having a nucleotide mismatch are fragmented by exposure to a molecule having unidirectional mismatch endonuclease activity. The nucleic acid molecules are cut at the mismatch site or near the mismatch site, leaving a double-stranded nucleic acid molecule having a mismatch at the end or near end of the molecule. The nucleic acid molecule is then exposed to a molecule having unidirectional exonuclease activity to remove the mismatched nucleotide. The missing nucleotides can then be filled in by the action of, e.g., a molecule having DNA polymerase activity. The result is double-stranded nucleic acid molecules with a decreased frequency of nucleotide mismatches.Type: ApplicationFiled: February 1, 2013Publication date: August 29, 2013Applicant: SYNTHETIC GENOMICS, INC.Inventor: SYNTHETIC GENOMICS, INC.
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Publication number: 20130224799Abstract: A method is disclosed for improved isothermal amplification of nucleic acids comprising the step of release of an essential component from a matrix under predetermined conditions. Furthermore, the invention relates to a kit comprising mesophilic enzyme and a matrix with embedded essential components for isothermal amplification. A composition comprising a matrix and a mesophilic enzyme and a method for embedding a mesophilic enzyme are disclosed as well.Type: ApplicationFiled: August 9, 2011Publication date: August 29, 2013Applicant: QIAGEN GMBHInventor: Christian Korfhage
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Publication number: 20130217131Abstract: The present invention relates to a fusion protein having a TAL (transcription activator-like) effector (TALE) domain and a nucleotide cleavage domain, and more particularly, to the TAL effector nuclease comprising a TAL (transcription activator-like) effector (TALE) domain and a nucleotide cleavage domain, wherein the TALE domain includes one or more TALE-repeat modules, each of the TALE-repeat modules recognizing a single specific nucleic acid, and a use thereof.Type: ApplicationFiled: February 15, 2013Publication date: August 22, 2013Applicant: TOOLGEN INCORPORATIONInventors: Jin Soo Kim, Hye Joo Kim
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Publication number: 20130216579Abstract: Disclosed herein are methods and compositions for genome editing of the malarial parasite Plasmodium, and for the use of the edited Plasmodium in the development of vaccines and therapeutics.Type: ApplicationFiled: January 23, 2013Publication date: August 22, 2013Applicants: The Trustees of Columbia University in the City of New York, Sangamo BioSciences, Inc.Inventors: Sangamo BioSciences, Inc., The Trustees of Columbia University in the City of New York
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Publication number: 20130209437Abstract: A method for engineering I-CreI homing endonuclease variants able to cleave mutant I-CreI sites having variation in positions ±8 to ±10. A I-CreI homing endonuclease variant obtainable by said method, a vector encoding said variant, a cell, an animal or a plant modified by said vector. Use of said I-CreI endonuclease variant and derived products for genetic engineering, genome therapy and antiviral therapy.Type: ApplicationFiled: January 17, 2013Publication date: August 15, 2013Applicant: CELLECTISInventor: Cellectis
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Publication number: 20130210151Abstract: A chimeric endonuclease is provided comprising the GIY-YIG nuclease domain which is linked to a DNA-targeting domain by a linking domain. The endonuclease is useful in gene editing.Type: ApplicationFiled: November 7, 2012Publication date: August 15, 2013Applicant: University of Western OntarioInventor: University of Western Ontario
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Publication number: 20130198878Abstract: Disclosed herein are homozygously modified organisms and methods of making and using these organisms.Type: ApplicationFiled: March 14, 2013Publication date: August 1, 2013Applicant: C/O SANGAMO BIOSCIENCES, INC.Inventor: C/O SANGAMO BIOSCIENCES, INC.
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Publication number: 20130196373Abstract: Disclosed herein are enhanced polypeptides, polynucleotides encoding these polypeptides, cells and organisms comprising novel DNA-binding domains, including TALE DNA-binding domains. Also disclosed are methods of using these novel DNA-binding domains for modulation of gene expression and/or genomic editing of endogenous cellular sequences.Type: ApplicationFiled: November 16, 2012Publication date: August 1, 2013Applicant: SANGAMO BIOSCIENCES, INC.Inventor: Sangamo BioSciences, Inc.
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Publication number: 20130189760Abstract: The purpose of the present invention is to provide a nuclease that secretes natural nonpathogenic microorganisms extracellularly, has higher specific activity than conventional nucleases, and is useful in nucleolytic degradation on an industrial scale. This purpose is achieved with an extracellularly secreted nuclease derived from Streptomyces bacteria, the nuclease having specific activity equal to or greater than the specific activity of Benzonase® when supplied to double-stranded DNA for 30 minutes at 37° C. in 20 mM Tris/HCl (pH 8.5) containing 1 mM MgCl2 and 1 mM CaCl2 after purification, using double-stranded DNA, single-stranded DNA, and RNA as substrates.Type: ApplicationFiled: September 15, 2011Publication date: July 25, 2013Applicant: Independent Administrative Institution Japan Agency For Marine-Earth ScienceInventors: Kozue Mori, Yukari Ohta, Yuji Hatada, Nobuyuki Nakamura, Masayuki Miyazaki