Involving Site-specific Recombination (e.g., Cre-lox, Etc.) Patents (Class 435/462)
  • Publication number: 20130059388
    Abstract: The present disclosure provides a method for endogenously tagging an endogenous protein in a cell, and a cell comprising an endogenously tagged protein. Also described are cells produced using such a method and a kit comprising a cell having tagged endogenous protein.
    Type: Application
    Filed: April 13, 2011
    Publication date: March 7, 2013
    Applicant: SIGMA-ALDRICH CO., LLC
    Inventors: Dmitry Malkov, Nathan Zenser, Deborah Vassar, Fan Zhang, Hongyi Zhang
  • Publication number: 20130052739
    Abstract: Methods and compositions using populations of randomized modified FRT recombination sites to identify, isolate and/or characterize modified FRT recombination sites are provided. The recombinogenic modified FRT recombination sites can be employed in a variety of methods for targeted recombination of polynucleotides of interest, including methods to recombine polynucleotides, assess promoter activity, directly select transformed organisms, minimize or eliminate expression resulting from random integration into the genome of an organism, such as a plant, remove polynucleotides of interest, combine multiple transfer cassettes, invert or excise a polynucleotide, and identify and/or characterize transcriptional regulating regions are also provided.
    Type: Application
    Filed: October 25, 2012
    Publication date: February 28, 2013
    Applicant: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventor: PIONEER HI-BRED INTERNATIONAL, INC.
  • Publication number: 20130045539
    Abstract: The invention relates to a set of genetic constructs which comprises at least a first recombinogenic construct (i) with at least two portions homologous to the genomic regions preceding and following the DNA target site of a site specific endonuclease and also comprising both a negative selection and positive selection mark interposed with the homologous portions as well as a region into which a sequence of interest can be cloned adjacent to the positive selection marker; and a second construct (ii, iii or iv) comprising the meganuclease. The present invention also relates to a kit comprising these constructs and methods to use this set of constructs to introduce into the genome of a target cell, tissue or organism a sequence of interest.
    Type: Application
    Filed: February 18, 2011
    Publication date: February 21, 2013
    Applicant: CELLECTIS
    Inventors: Christophe Delenda, Jean-Pierre Cabaniols
  • Publication number: 20130040302
    Abstract: Methods for producing engineered induced pluripotent stem (iPS) cells are provided comprising introducing a first nucleic acid into somatic cells for integration into their genome and reprogramming the cells to produce engineered iPS cells having the nucleic acid integrated into their genome. For example, in certain aspects the cells are reprogrammed by introduction of a genetic element that expresses one or more reprogramming factor and culturing of the cells under conditions sufficient to produce reprogrammed cells.
    Type: Application
    Filed: July 11, 2012
    Publication date: February 14, 2013
    Inventors: Thomas J. Burke, Michael Miller, Michael McLachlan, Sarah Jane Dickerson, Anne Strouse
  • Publication number: 20130024959
    Abstract: The present invention relates to a method of producing a cell comprising a conditionally active transgene in its genome, the method comprising (a) introducing into the cell a targeting vector, wherein the targeting vector comprises (i) a 5? recombinase recognition site specifically recognised by a first recombinase, wherein the first recombinase is endogenously present in the cell or wherein the first recombinase or a nucleic acid molecule encoding said first recombinase in expressible form is introduced into the cell; followed by (ii) a 5? recombinase recognition site specifically recognised by a second recombinase, wherein the second recombinase is not endogenously present or is not active in the cell; followed by (iii) a selection cassette comprising a positively selectable marker gene; followed by (iv) a 3? recombinase recognition site specifically recognised by a third recombinase, wherein the third recombinase is not endogenously present or is not active in the cell; followed by (v) the transgene; follo
    Type: Application
    Filed: November 24, 2010
    Publication date: January 24, 2013
    Applicants: UNIVERSITY OF FRANKFURT-MEDICAL SCHOOL, HELMHOLTZ ZENTRUM MÜNCHEN-DEUTSCHES FORSCHUNGSZENTRUM FÜR GESUNDHEIT UND UMWELT (GMBH)
    Inventors: Laura Schebelle, Frank Schnütgen, Thomas Floss
  • Publication number: 20130017578
    Abstract: The present invention refers to muteins of the bacteriophage lambda integrases and to nucleic acid molecules comprising a nucleotide sequence encoding such muteins of the lambda integrases. The invention further refers to host cells containing a nucleic acid molecule comprising a nucleotide sequence encoding such muteins of the lambda integrases. The invention also refers to methods of recombining nucleic acids of interest into target nucleic acids in the presence of the muteins of the lambda integrases, as well as sequence specific recombination kits.
    Type: Application
    Filed: November 8, 2010
    Publication date: January 17, 2013
    Inventors: Farid John Ghadessy, Mei Sian Yvonne Tay, Peter Drodge
  • Publication number: 20130004946
    Abstract: The disclosure relates generally to stem cell biology and more specifically to genetic manipulation of stem cells. Methods and compositions using recombinational cloning techniques are disclosed which allow the construction and insertion of complex genetic constructs into embryonic and adult stem cells and progenitor cells. The methods disclosed will allow the harvesting of adult stem cells pre-engineered with integration sites to facilitate early passage genetic modification.
    Type: Application
    Filed: April 16, 2012
    Publication date: January 3, 2013
    Applicant: Life Technologies Corporation
    Inventors: Jonathan Chesnut, Bhaskar Thyagarajan, Antje Taliana, Pauline Lieu, Mahendra Rao, Robert Bennett, Robert Burrier, Uma Lakshmipathy, Ying Liu
  • Publication number: 20120329067
    Abstract: Provided herein are zinc linger nucleases having altered, arid in particular, improved catalytic activity and methods of generating such nucleases. Accordingly, there are provided methods for identifying improved catalytic activity of a ZFN by expressing a mutated zinc finger nuclease in a cell containing a reporter construct with a toxic gene, and a zinc finger nuclease cleavage site that is recognized by the ZFN. Survival of the cell is positively correlated with catalytic activity of the ZFN; thus, libraries of mutated ZFKs may be selected for altered catalytic activity based on relative survival rates, Methods of using identified ZFNs are also provided.
    Type: Application
    Filed: January 21, 2011
    Publication date: December 27, 2012
    Inventors: Carlos F. Barbas III, Jing Guo
  • Patent number: 8338138
    Abstract: The invention provides molecular switches which couple external signals to functionality, and combinatorial methods of making and using the same involving circular permutation of nucleic acid and amino acid sequences. The switches according to the invention can be used, for example, to regulate gene transcription, target drug delivery to specific cells, transport drugs intracellularly, control drug release, provide conditionally active proteins, perform metabolic engineering, and modulate cell signaling pathways. Libraries comprising the switches, expression vectors and host cells for expressing the switches are also provided.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: December 25, 2012
    Assignee: The John Hopkins University
    Inventors: Marc A. Ostermeier, Gurkan Guntas
  • Publication number: 20120324603
    Abstract: The invention relates to chimeric endonucleases, comprising an endonuclease and a heterologous DNA binding domain, as well as methods of targeted integration, targeted deletion or targeted mutation of polynucleotides using chimeric endonucleases.
    Type: Application
    Filed: November 26, 2010
    Publication date: December 20, 2012
    Applicant: BASF Plant Sceience Company GmbH
    Inventors: Andrea Hlubek, Christian Biesgen, Hans Wolfgang Höffken
  • Patent number: 8323930
    Abstract: Provided are methods, compositions, and kits for molecular cloning of DNA using DNA topoisomerase. The methods comprise (I) combining into a mixture (A) a first polynucleotide, comprising an origin of replication, a selectable marker, two topoisomerase recognition sequences, and two nicking agent recognition sequences, each of the topoisomerase recognition sequences being within 50 nucleotides of at least one of the nicking agent recognition sequences and each of two nicking agent recognition sequences being nicked, with (B) a sequence-specific topoisomerase and (C) a second polynucleotide, having a 5? hydroxyl on each end; and (II) transforming the mixture into a host organism, thereby cloning the second polynucleotide. Formation or purification of a DNA-protein adduct prior to the addition of the second polynucleotide is not required. Also provided are vector sequences to facilitate performance of the methods and methods for modifying a vector of interest to render it useful in the disclosed methods.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: December 4, 2012
    Assignee: DNA Twopointo, Inc.
    Inventors: Jon E. Ness, Jeremy S. Minshull
  • Patent number: 8304189
    Abstract: The present invention relates to the fields of biotechnology and molecular biology. In particular, the present invention relates to the construction and use of nucleic acid molecules comprising cloning sites which differ in nucleotide sequence. In particular embodiments, the present invention relates to nucleic acid molecules which contain recombination sites with different primer binding sites. These different primer binding sites may be used to sequence different ends of nucleic acid segments located between the two recombination sites.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: November 6, 2012
    Assignee: Life Technologies Corporation
    Inventors: Jon Chesnut, Louis Leong
  • Publication number: 20120276074
    Abstract: The present disclosure relates to the co-expression of an endonuclease with an end-processing enzyme for the purpose of enhanced processing of the polynucleotide ends generated by endonuclease cleavage.
    Type: Application
    Filed: February 24, 2012
    Publication date: November 1, 2012
    Applicant: SEATTLE CHILDREN'S RESEARCH INSTITUTE
    Inventors: Andrew M. Scharenberg, Michael T. Certo, Kamila S. Gwiazda
  • Publication number: 20120276537
    Abstract: The present invention relates to a method of modifying a target sequence in the genome of a mammalian or avian oocyte by homologous recombination with a donor nucleic acid sequence, the method comprising the steps (a) introducing into the oocyte a zinc finger nuclease or a nucleic acid molecule encoding the zinc finger nuclease in expressible form, wherein the zinc finger nuclease specifically binds within the target sequence and introduces a double strand break within the target sequence; and (b) introducing a nucleic acid molecule into the oocyte, wherein the nucleic acid molecule comprises the donor nucleic acid sequence and regions homologous to the target sequence. The present invention further relates to a method of producing a non-human mammal or an avian carrying a modified target sequence in its genome.
    Type: Application
    Filed: October 28, 2010
    Publication date: November 1, 2012
    Inventors: Ralf Kühn, Wolfgang Wurst, Melanie Meyer
  • Publication number: 20120277120
    Abstract: Provided herein are methods of integrating one or more exogenous nucleic acids into one or more selected target sites of a host cell genome. In certain embodiments, the methods comprise contacting the host cell genome with one or more integration polynucleotides comprising an exogenous nucleic acid to be integrated into a genomic target site, and a nuclease capable of causing a double-strand break near or within the genomic target site.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Applicant: AMYRIS, INC.
    Inventors: Zach Serber, Andrew Horwitz
  • Publication number: 20120266266
    Abstract: Rationally-designed LAGLIDADG meganucleases and methods of making such meganucleases are provided. In addition, methods are provided for using the meganucleases to generate recombinant cells and organisms having a desired DNA sequence inserted into a limited number of loci within the genome, as well as methods of gene therapy, for treatment of pathogenic infections, and for in vitro applications in diagnostics and research.
    Type: Application
    Filed: June 25, 2012
    Publication date: October 18, 2012
    Applicant: DUKE UNIVERSITY
    Inventors: James J. SMITH, Derek JANTZ, Homme W. HELLINGA
  • Publication number: 20120258541
    Abstract: Provided herein are methods for stable integration and/or expression of one or more recombinant polynucleotides in a host cell. The recombinant polynucleotides are typically integrated into the host genome at some native chromosomal integration sites. The integration can be mediated by homologous recombination or by using a hybrid recombinase targeting the specific chromosomal locations. The native chromosomal integration sites in the host cells, which support stable integration and strong transcription activities of foreign genes, are present within or adjacent to specific genes in the CHO genome, ankyrin 2 gene (Ank2), cleavage and polyadenylation specific factor 4 gene (Cpsf4), C-Mos gene, and Nephrocystin-1/Mal gene. Also provided are methods and nucleic acid molecules for inserting site-specific recombination sequences (chromosomal landing pads) into these specific chromosomal locations, engineered host cells containing chromosomal landing pads, methods and compositions (e.g., kits) therefore.
    Type: Application
    Filed: April 5, 2012
    Publication date: October 11, 2012
    Inventors: Vincent P. Mauro, Wei Zhou, Bruce Cunningham, Gerald M. Edelman
  • Publication number: 20120219959
    Abstract: The present invention provides for a method or methods of targeted genetic recombination or mutagenesis in a host cell or organism, and compositions useful for carrying out the method. The targeting method of the present invention exploits endogenous cellular mechanisms for homologous recombination and repair of double stranded breaks in genetic material. The present invention provides numerous improvements over previous mutagenesis methods, such advantages include that the method is generally applicable to a wide variety of organisms, the method is targeted so that the disadvantages associated with random insertion of DNA into host genetic material are eliminated, and certain embodiments require relatively little manipulation of the host genetic material for success. Additionally, it provides a method that produces organisms with specific gene modifications in a short period of time.
    Type: Application
    Filed: December 8, 2011
    Publication date: August 30, 2012
    Inventors: Dana Carroll, Mary M. Golic, Marina Bibikova, Gary Rrews, Kent G. Golic
  • Publication number: 20120214242
    Abstract: The present invention relates to vectors, compositions and methods for conditional, Cre-lox regulated, RNA interference. The vectors allow for spatial and temporal control of miRNA expression in vivo.
    Type: Application
    Filed: January 12, 2012
    Publication date: August 23, 2012
    Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: Patrick Stern, Richard Hynes
  • Publication number: 20120214241
    Abstract: Disclosed herein are methods and compositions for alteration of an LRRK2 gene in a fibroblast or iPSC.
    Type: Application
    Filed: December 15, 2011
    Publication date: August 23, 2012
    Inventors: Josee LAGANIERE, J. William Langston, Birgitt Schüle, H. Steve Zhang
  • Patent number: 8247535
    Abstract: Compositions and methods for conferring herbicide resistance or tolerance to bacteria, plants, plant cells, tissues and seeds are provided. Compositions include polynucleotides encoding herbicide resistance or tolerance polypeptides, vectors comprising those polynucleotides, and host cells comprising the vectors. The nucleotide sequences of the invention can be used in DNA constructs or expression cassettes for transformation and expression in organisms, including microorganisms and plants. Compositions also include transformed bacteria, plants, plant cells, tissues, and seeds. In particular, isolated polynucleotides encoding glyphosate resistance or tolerance polypeptides are provided, particularly polypeptide variants of SEQ ID NO:2 and 4. Additionally, amino acid sequences corresponding to the polynucleotides are encompassed.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: August 21, 2012
    Assignee: Athenix Corp.
    Inventors: Volker Heinrichs, Laura Cooper Schouten, Brian Vande Berg
  • Patent number: 8232448
    Abstract: This application is in the field of sialic acid chemistry, metabolism, antigenicity, and the production of transgenic non-human mammals with altered sialic acid production. More particularly, this application relates to N-glycolylneuraminic acid (Neu5Gc) being an immunogen in humans, and the production of Neu5Gc-free mammalian products for laboratory and human use.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: July 31, 2012
    Assignee: The Regents of the University of California
    Inventors: Ajit Varki, Anna Maria Hedlund, Dzung Nguyen
  • Patent number: 8227249
    Abstract: The present invention provides methods of site-specifically integrating a polynucleotide sequence of interest in a genome of a eucaryotic cell, as well as, enzymes, polypeptides, and a variety of vector constructs useful therefore. In the method, a targeting construct comprises, for example, (i) a first recombination site and a polynucleotide sequence of interest, and (ii) a site-specific recombinase, which are introduced into the cell. The genome of the cell comprises a second recombination site. Recombination between the first and second recombination sites is facilitated by the site-specific recombinase. The invention describes compositions, vectors, and methods of use thereof, for the generation of transgenic cells, tissues, plants, and animals. The compositions, vectors, and methods of the present invention are also useful in gene therapy techniques.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: July 24, 2012
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventor: Michele P. Calos
  • Publication number: 20120141441
    Abstract: The present disclosure provides methods for introducing a gene encoding a muscle membrane protein into a cell isolated from a subject to generate a genetically modified cell. The genetically modified cell may be introduced back, e.g., engrafted into the subject. The isolated cell may be additionally modified by introducing into the isolated cell a gene encoding one or more reprogramming transcription factors that induce the cell to form an induced pluripotent stem cell. The genetically modified cell may be differentiated in vitro to form muscle cell precursors before engrafting into the subject. Also provided are compositions comprising autologous cells isolated from a subject which cells comprise a muscle membrane protein gene integrated into a genome attachment site in the genome of the cell. The autologous cell may be an induced pluripotent cell or a mesenchymal stem cell, such as an adipose-derived mesenchymal stem cell (AD-MSC).
    Type: Application
    Filed: December 2, 2011
    Publication date: June 7, 2012
    Inventors: MICHELE P. CALOS, MARISA KAROW, CHRISTOPHER L. CHAVEZ, Alfonso P. FARRUGGIO, CHUNLI ZHAO, HASSAN CHAIB, CHRISTOPHER BJORNSON, TAWNY NEAL, JONATHAN M. GEISINGER
  • Patent number: 8193410
    Abstract: A process of producing a transgenic multi-cellular plants or parts thereof expressing a trait of interest, said trait having a controlled distribution of said trait to progeny, wherein said process comprises (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 plant or cells thereof to generate progeny exhibiting said functional trait of interest due to binding between a protein or polypeptide encoded by said first heterologous nucleotide sequence and a protein or polypeptide encoded by said second heterologous nucleotide
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: June 5, 2012
    Assignee: Icon Genetics GmbH
    Inventors: Stefan Werner, Anatoly Giritch, Serik Eliby, Sylvestre Marillonnet, Victor Klimyuk, Yuri Gleba
  • Patent number: 8192934
    Abstract: The present invention relates to genetic engineering and especially to the use of DNA transposition complex of bacteriophage Mu. In particular, the invention provides a gene transfer system for eukaryotic cells, wherein in vitro assembled Mu transposition complexes are introduced into a target cell and subsequently transposition into a cellular nucleic acid occurs. The invention further provides a kit for producing insertional mutations into the genomes of eukaryotic cells. The kit can be used, e.g., to generate insertional mutant libraries.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: June 5, 2012
    Assignee: Finnzymes Oy
    Inventors: Harri Savilahti, Mikko Frilander, Xiaojuan Meng, Anja Paatero, Maria Pajunen, Hikka Turakainen
  • Publication number: 20120124686
    Abstract: The present disclosure provides a method of making a mammal (e.g., a rodent, such as a mouse) by integrating an intact polynucleotide sequence into a specific genomic locus of the mammal to result in a transgenic mammal. A transgenic mammal made by the methods of the present disclosure would contain a known copy number (e.g., one) of the inserted polynucleotide sequence at a predetermined location. The method involves introducing a site-specific recombinase and a targeting construct, containing a first recombination site and the polynucleotide sequence of interest, into the mammalian cell. The genome of the cell contains a second recombination site and recombination between the first and second recombination sites is facilitated by the site-specific, uni-directional recombinase. The result of the recombination is site-specific integration of the polynucleotide sequence of interest in the genome of the mammal. This inserted sequence is then also transmitted to the progeny of the mammal.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 17, 2012
    Inventors: Liqun Luo, Ruby Yanru Tsai, Bosiljka Tasic, Simon Hippenmeyer, Hui Zong
  • Publication number: 20120107938
    Abstract: The present invention concerns methods and kits for the direct, targeted engineering of conditional alleles in rodent embryonic stem cells in which the conditional allele is replaced with a DNA of interest without first introducing heterotypic recombination sites, thus providing high efficiency targeted exchange of genetic material.
    Type: Application
    Filed: June 28, 2010
    Publication date: May 3, 2012
    Applicant: UNIVERSITY OF BASEL
    Inventors: Javier Lopez-Rios, Rolf Zeller, Marco Osterrwalder
  • Publication number: 20120093785
    Abstract: The present invention relates to a human artificial chromosome (HAC) vector and a method for producing the same. The present invention further relates to a method for introducing foreign DNA using a human artificial chromosome vector and a method for producing a cell which expresses foreign DNA. Furthermore, the present invention relates to a method for producing a protein.
    Type: Application
    Filed: October 7, 2010
    Publication date: April 19, 2012
    Inventors: Mitsuo Oshimura, Motonobu Katoh, Kazuma Tomizuka, Yoshimi Kuroiwa, Minoru Kakeda
  • Patent number: 8129598
    Abstract: This invention provides methods for obtaining specific and stable integration of nucleic acids into eukaryotic cells. The invention makes use of site-specific recombination systems that use prokaryotic recombinase polypeptides, such as the ?C31 integrase, that can mediate recombination between the recombination sites, but not between hybrid recombination sites that are formed upon the recombination. Thus, the recombination is irreversible in the absence of additional factors. Eukaryotic cells that contain the recombinase polypeptides, or genes that encode the recombinases, are also provided.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: March 6, 2012
    Assignees: The Regents of the University of California, The United States of America as represented by the Secretary of Agriculture
    Inventors: David W. Ow, Richard Calendar, Lynn Thomason
  • Patent number: 8124404
    Abstract: There is provided a transposable element comprising at least four inverted repeats, at least two of which are each inverted in relation to another, the element comprising DNA for insertion into a host genome, the DNA being located between two pairs of opposing repeats excisable by a transposase in situ to leave said DNA without flanking transposon-derived repeats in the host genome. Also provided is a transposable element comprising at least three inverted repeats, at least one of which is inverted in relation to the others, wherein at least one non-terminal repeat is a minimal repeat. Both these elements allow for greater efficiency of insertion of nucleotide sequences into the genome.
    Type: Grant
    Filed: July 1, 2004
    Date of Patent: February 28, 2012
    Assignee: Oxitec Limited
    Inventor: Luke Alphey
  • Patent number: 8088621
    Abstract: The instant invention provides methods and compositions for generating recombinant adenoviral vectors. The invention also provides kits comprising for the generation of recombinant adenoviral vectors.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: January 3, 2012
    Assignee: The Johns Hopkins University
    Inventors: Ronald Rodriguez, Shawn Edward Lupold, Wasim Haider Chowdhury, Tarana A. Kudrolli
  • Patent number: 8039719
    Abstract: A novel double haploid maize line designated PHWWD and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing double haploid maize line PHWWD with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PHWWD through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. Hybrid maize seed, plant or plant part produced by crossing the double haploid line PHWWD or a trait conversion of PHWWD with another maize line. Inbred maize lines derived from double haploid maize line PHWWD, methods for producing other inbred maize lines derived from double haploid maize line PHWWD and the inbred maize lines and their parts derived by the use of those methods.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: October 18, 2011
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Ning Wang, Michael D. Miller, Lynn L. Heetland, William E. Solawetz, Zuo-Yu Zhao
  • Patent number: 8030556
    Abstract: A novel double haploid maize line designated PH17AW and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing double haploid maize line PH17AW with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH17AW through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. Hybrid maize seed, plant or plant part produced by crossing the double haploid line PH17AW or a trait conversion of PH17AW with another maize line. Inbred maize lines derived from double haploid maize line PH17AW, methods for producing other inbred maize lines derived from double haploid maize line PH17AW and the inbred maize lines and their parts derived by those methods.
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: October 4, 2011
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Zuo-Yu Zhao, Ning Wang, Douglas S. Nubel, Shifu Zhen
  • Patent number: 8030538
    Abstract: The present invention relates to a bovine beta-casein gene targeting vector comprising (1) a first region having a length of 5 to 12 kb which is homologous to the promoter and its flanking nucleic acid sequences of bovine beta-casein gene, and comprising exon 1, intron 1, and exon 2 of bovine beta-casein gene; (2) a region for cloning a nucleic acid coding for desired proteins; (3) a region for coding a positive selection marker; (4) a second region having a length of 2.8 to 3.5 kb which is homologous to the nucleic acid sequences of bovine beta-casein gene, and comprising exon 5, 6, 7 and 8, and intron 5, 6 and 7 of bovine beta-casein gene; wherein the nucleic acid segment corresponding to the first region is located upstream to the nucleic acid segment corresponding to the second region in the 5?-3? arrangement of beta-casein gene.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: October 4, 2011
    Assignee: Korea Research Institute of Bioscience and Biotechnology
    Inventors: Yong-Mahn Han, Kyung-Kwang Lee, Mira Chang, Deog-Bon Koo
  • Patent number: 8030560
    Abstract: A novel double haploid maize line designated PHWVZ and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing double haploid maize line PHWVZ with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PHWVZ through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. Hybrid maize seed, plant or plant part produced by crossing the double haploid line PHWVZ or a trait conversion of PHWVZ with another maize line. Inbred maize lines derived from double haploid maize line PHWVZ, methods for producing other inbred maize lines derived from double haploid maize line PHWVZ and the inbred maize lines and their parts derived by the use of those method.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: October 4, 2011
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Zuo-Yu Zhao, Ning Wang
  • Publication number: 20110236378
    Abstract: The invention provides knock-in non-human cells and mammals having a genome encoding chimeric antibodies and methods of producing knock-in cells and mammals. Certain aspects of the invention include chimeric antibodies, humanized antibodies, pharmaceutical compositions and kits. Certain aspects of the invention also relate to diagnostic and treatment methods using the antibodies of the invention.
    Type: Application
    Filed: September 30, 2009
    Publication date: September 29, 2011
    Inventors: Larry Green, Hiroaki Shizuya
  • Patent number: 8026052
    Abstract: The present invention relates to genetic engineering and especially to the use of DNA transposition complex of bacteriophage Mu. In particular, the invention provides a gene transfer system for eukaryotic cells, wherein in vitro assembled Mu transposition complexes are introduced into a target cell and subsequently transposition into a cellular nucleic acid occurs. The invention further provides a kit for producing insertional mutations into the genomes of eukaryotic cells. The kit can be used, e.g., to generate insertional mutant libraries.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: September 27, 2011
    Assignee: Finnzymes Oy
    Inventors: Harri Savilahti, Mikko Frilander, Xiaojuan Meng, Anja Paatero, Maria Pajunen, Hilkka Turakainen
  • Patent number: 8026098
    Abstract: The invention relates to a process for the removal of selectable marker gene sequences, in particular antibiotic gene sequences, from nucleic acid molecules. The invention further relates to the application of this process in the unlabelled integration and deletion of chromosomal genes and in controlling gene expression.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: September 27, 2011
    Assignee: Cobra Biologics Limited
    Inventors: Rocky Marc Cranenburgh, Alexandra Elizabeth Bloor
  • Patent number: 8008016
    Abstract: The present invention includes vectors and methods for high throughput co-expression.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: August 30, 2011
    Assignee: University of Georgia Research Foundation, Inc.
    Inventors: Peter Horanyi, James Griffith, Bi-Cheng Wang, Francis E. Jenney, Jr.
  • Publication number: 20110207226
    Abstract: The present invention provides for a hybrid vector system for the purpose of therapeutic gene delivery where the system is used for a targeted integration of a therapeutic gene into a genome. The hybrid vector system comprises a hybrid vector made up of a non-integrating lentiviral vector and an adeno-associated vector, and a therapeutic gene.
    Type: Application
    Filed: August 20, 2009
    Publication date: August 25, 2011
    Applicant: Virxsys Corporation
    Inventors: Yajin NI, Jenice G. D' Costa, Ramdall K. Merling
  • Patent number: 7999158
    Abstract: A novel inbred maize line designated PHWWE and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing inbred maize line PHWWE with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PHWWE through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. Hybrid maize seed, plant or plant part produced by crossing the inbred line PHWWE or a trait conversion of PHWWE with another maize line. Inbred maize lines derived from maize line PHWWE, methods for producing other inbred maize lines derived from inbred maize line PHWWE and the inbred maize lines and their parts derived by the use of those methods.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: August 16, 2011
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Ning Wang, Lynn L. Heetland, William E. Solawetz, Zuo-Yu Zhao
  • Publication number: 20110189729
    Abstract: The present invention relates to novel nucleotide sequences, which are variants of att recombination sequences, involved in sequence-specific recombination of DNA in eukaryotic cells, whereby sequence specific recombination is performed by a bacteriophage lambda integrase Int. Such novel att recombination sequences being e.g. attP.b, attP.a, attL.a, attR.a and attR.b. The present invention further relates to a method of sequence-specific recombination of DNA in eukaryotic cells, comprising the introduction of a first DNA comprising a nucleotide sequence containing at least one recombination sequence into a cell, introducing a second DNA comprising a nucleotide sequence containing at least one further recombination sequence into a cell, and performing the sequence specific recombination by a bacteriophage lambda integrase Int, whereby at least one of said first or second DNAs is a novel att recombination sequences being e.g. attP.b, attP.a, attL.a, attR.a and attR.b.
    Type: Application
    Filed: November 28, 2008
    Publication date: August 4, 2011
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG
    Inventor: Barbara Enenkel
  • Publication number: 20110177600
    Abstract: The subject invention provides a site-specific integration system and methods for generating eukaryotic cells lines for protein production. The provided system includes a first site-specifically integrating target vector and a second site-specifically integrating donor vector comprising a gene of interest. Also provided are mammalian cell lines produced by the subject methods and systems, as well as kits that include the subject systems.
    Type: Application
    Filed: May 22, 2007
    Publication date: July 21, 2011
    Inventors: William J. Rutter, Michele P. Calos, Jimmy Z. Zhang
  • Patent number: 7968341
    Abstract: The present invention relates to a method of sequence-specific recombination of DNA in eukaryotic cells, comprising the introduction of a first DNA comprising a nucleotide sequence containing at least one recombination sequence into a cell, introducing a second DNA comprising a nucleotide sequence containing at least one further recombination sequence into a cell, and performing the sequence specific recombination by a bacteriophage lambda integrase Int.
    Type: Grant
    Filed: November 28, 2003
    Date of Patent: June 28, 2011
    Assignees: Boehringer Ingelheim Pharma GmbH & Co KG
    Inventors: Peter Dröge, Barbara Enenkel
  • Publication number: 20110145940
    Abstract: Materials and Methods related to gene targeting (e.g., gene targeting with transcription activator-like effector nucleases; “TALENS”) are provided.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 16, 2011
    Inventors: Daniel F. Voytas, Adam Bogdanove, Feng Zhang, Michelle Christian, Tomas Cermak, Clarice Lauer Schmidt, Erin Doyle, Li Wang
  • Publication number: 20110136237
    Abstract: Prokaryotic recombination systems have been adapted to function in eukaryotes in order to achieve one or more of the following: DNA site specific excision, translocation, integration and inversion. These recombination systems are identified as seven members of the small serine resolvase subfamily: CinH, ParA, Tn1721, Tn5053, Tn21, Tn402, and Tn501 and three members of the large serine resolvase subfamily: Bxb1, U153, and TP901-1. These recombination systems represent new tools for the genetic manipulation of eukaryotic genomes.
    Type: Application
    Filed: August 18, 2010
    Publication date: June 9, 2011
    Applicant: The United States of America, as represented by the Secretary of Agriculture
    Inventors: David W. Ow, James G Thomson
  • Patent number: 7947501
    Abstract: A method of creating a human pluripotent transgenic stem cell, wherein heterologous DNA is inserted into specific “hot-spots” in the genome where stable and high gene expression may occur, is disclosed. In one embodiment, the method comprises the steps of: (a) selecting a pluripotent stem cell line, and (b) inserting heterologous DNA at an insertion site selected from the group consisting of insertion site one and insertion site two to form a transgenic cell line. In another embodiment, the heterologous DNA is an exchange cassette and the transgenic cell line formed is a master cell line.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: May 24, 2011
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Su-Chun Zhang, Zhong-wei Du
  • Publication number: 20110107445
    Abstract: The present invention relates, in general, to a method for introducing a heterologous replacement gene sequence into a host embryonic stem cell to replace an endogenous host gene target sequence. In particular, the invention relates to a method for inserting large pieces of DNA into embryonic stem cells with improved efficiency, by first deleting the endogenous host gene target sequence, and subsequently utilising two proximally positioned site-specific recombinase target (RT) sites to insert a heterologous replacement gene sequence into the host chromosome.
    Type: Application
    Filed: March 25, 2009
    Publication date: May 5, 2011
    Inventors: Jost Seibler, Nico Scheer
  • Publication number: 20110076678
    Abstract: The disclosure relates to a method of reprogramming one or more somatic cells, e.g., partially differentiated or fully/terminally differentiated somatic cells, to a less differentiated state, e.g., a pluripotent or multipotent state. In further embodiments the invention also relates to reprogrammed somatic cells produced by methods of the invention, to uses of said cells, and to methods for identifying agents useful for reprogramming somatic cells.
    Type: Application
    Filed: April 7, 2008
    Publication date: March 31, 2011
    Inventors: Rudolf Jaenisch, Jaqub Hanna, Marius Wernig, Christopher J. Lengner, Alexander Meissner, Oliver Tobias Brambrink, G. Grant Welstead, Ruth Foreman