I- Cre I meganuclease variants with modified specificity,...

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C435S183000, C435S252300, C435S320100, C536S023200

Reexamination Certificate

active

07897372

ABSTRACT:
Method of preparing 1-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.

REFERENCES:
patent: 6610545 (2003-08-01), Dujon et al.
patent: 7309605 (2007-12-01), Dujon et al.
patent: 2004/0002092 (2004-01-01), Arnould et al.
patent: 2006/0078552 (2006-04-01), Arnould et al.
patent: 2006/0206949 (2006-09-01), Arnould et al.
patent: 2010/0021448 (2010-01-01), Duchateau et al.
patent: 2010/0144012 (2010-06-01), Arnould et al.
patent: WO 96/14408 (1996-05-01), None
patent: 2004 067736 (2004-08-01), None
Chica et al. Curr Opin Biotechnol. Aug. 2005;16(4):378-84.
Sen et al. Appl Biochem Biotechnol. Dec. 2007;143(3):212-23.
Sussman, D. et al.,“Isolation and Characterization of New Homing Endonuclease Specificities at Individual Target Site Positions”, J. Mol. Biol., vol. 342, No. 1, pp. 31-41, 2004.
Seligman, D. et al.,“Mutations Altering the Cleavage Specificity of a Homing Endonuclease”, Nucleic Acids Research, vol. 30, No. 17, pp. 3870-3879, 2002.
Arnould, S. et al.,“Engineering of Large Numbers of Highly Specific Homing Endonucleases that Induce Recombination on Novel DNA Targets”, J. Mol. Biol., vol. 355, No. 3, pp. 443-458, 2006.
U.S. Appl. No. 12/091,216, filed Apr. 23, 2008, Paques.
Cabaniols et al., “Robust Cell Lin Development Using Meganucleases,” Methods in Molecular Biology, vol. 435: 31-45, 2008.
Chames et al., “In Vivo Selection of Engineered Homing Endonucleases using Double-Strand Break Induced Homologous Recombination,” Nucleic Acids Res., 33: e178 (2005).
Chevalier et al., “Design, Activity, and Structure of a Highly Specific Artificial Endonuclease,” Molecular Cell, 10: 895-905 (2002).
Choulika et al., “The Yeast I-Sce I Meganuclease Induces Site-Directed Chromosomal Recombination in Mammalian Cells,” C R Acad Sci III,1994 317:1013-9 (1994).
Colleaux et al., “Universal Code Equivalent of a Yeast Mitochondrial Intron Reading Frame Is Expressed intoE. colias a Specific Double Strand Endonuclease,” Cell, 44:521-533 (1986).
Delahodde et al., “Site-Specific DNA Endonuclease and RNA Mautrase Activities of Two Homologous Intron-Encoded Proteins from Yeast Mitochondria,” Cell, 56: 431-441 (1989).
Dujon et al., “Group I Introns as Mobile Genetic Elements: Facts and Mechanistic Speculations—a Review,” Gene, 82: 91-126 (1989).
Dujon et al., “Cellectis. Celletis' 5th Scientific Advisory Board Meeting. Report of the Meeting,” p. 1-4, Dec. 16-17, 2004.
Dujon et al., “Homing Endonucleases and the Yeast Mitochondrial Locus—a Historical Perspective,” Nucleic Acids and Molecular Biology, 16: 11-31 (2005).
Durrenberger et al., “Chloroplast Ribosomal Intron of Chlamydomonas Reinhardtil: In Vitro Self-Splicing, DNA Endonuclease Activity and in Vivo Mobility,” the EMBO J, 10:3495-3501 (1991).
Epinat et al., “A Novel Engineered Meganuclease Induces Homologous Recombination in Yeast and Mammalian Cells”, Nucleic Acids Research, 31: 2952-2962 (2003).
Galetto et al., “Target Approaches for Gene Therapy and the Emergence of Engineered Meganucleases,” Expert Opin. Biol. Ther, 9:1289-1303 (2009).
Lacroix et al., “Automated Discovery and Design of Novel Meganucleases,” Cellectis S.A., 1-21. (2009).
Maggos, “Technology, Industrializing DNA Modification,” BioCentury, Cellectis091508, PREC197169 (Jan. 22, 2007).
Marcaida et al., “Crystal Structure of I-Dmol in Complex with its Target DNA Provides New Insights into Meganuclease Engineering,” PNAS, 105: 16888-16893 (2008).
Meganuclease I-Sce I (Omega-Nuclease). Cat No 11 362 399 001, Version Nov. 2004, Roche.
Paques et al., “Meganucleases and DNA Double-Strand Break-Induced Recombination: Perspectives for Gene Therapy,” Current Gene Therapy, 7: 49-66 (2007).
Prieto et al., “Generation and Analysis of Mesophilic Variants of the Thermostable Archael I-DMOI Homing Endonuclease,” J. Biol. Chem., 283: 4364-4374 (2008).
Schiestl et al., “Integration of DNA Fragments by Illegitimate Recombination inSaccharonmyces cerevisiae,” Proc. Natl. Acad. Sci., 88: 7585-7589 (1991).
Thierry et al., “Cleavage of Yeast and Bacteriophage T7 Genomes at a Single Site Using the Rare Cutter Endonuclease I-Sce I,” Nucleic Acids Research, 19:189-190 (1991).
Plaintiff Cellectis's Brief in Support of its Proposed Claim Construction, Nov. 2, 2009.
Stoddard, Expert Report of Bary L. Stoddard, Ph.D. on the Meaning of the Asserted Claims in Cellectis's Patents, Jan. 16, 2009.
Office Action from related U.S. Appl. No. 10/543,556, mailed May 14, 2009.
Office Action from related U.S. Appl. No. 11/908,934, mailed Oct. 14, 2010.
Office Action from related U.S. Appl. No. 10/388,230, mailed May 24, 2010.
Office Action from related U.S. Appl. No. 10/507,736, mailed Jun. 25, 2010.
Office Action from related U.S. Appl. No. 12/710,969 mailed Jul. 14, 2010.
Notice of Opposition to a European Patent No. 1 485 475, dated Jun. 5, 2008.
Response to Opposition to European Patent No. 1 485475, filed Jan. 13, 2009.
Summons to Attend Oral Proceedings issued for European Patent No. 1 485475, dated Jun. 30, 2009 (w/English Translation).
Response to Oral Proceedings to European Patent No. 1 485475, received Jun. 30, 2009, filed Sep. 18, 2009.
Response to Summons to Attend Oral Proceedings for European Patent No. 1 485475, filed Sep. 18, 2009.
Interlocutory Decision in Opposition Proceedings issued for EP 03744485.8-2405, Feb. 8, 2010.
Appeal filed for European Patent No. 1 485475, filed Jun. 8, 2010. (French).
Appeal filed for European Patent No. 1 485475, filed Jun. 17, 2010.
Minutes of Oral Proceedings before the Opposition Division, Nov. 18, 2009.
Emmanuel Fajardo-Sanchez. “Computer design of obligate heterodimer meganucleases allows efficient cutting of custom DNA sequences”, Nucleic Acids Research, 2008, vol. 36, No. 7, pp. 2163-2173.
Jesús Prieto, et al., “The C-terminal loop of the homing endonuclease I-Crel is essential for site recognition, DNA binding and cleavage”, Nucleic Acids Research, 2007, vol. 35, No. 10, pp. 3262-3271.
Brett S. Chevalier, et al., “The homing endonuclease I-Crel uses three metals, one of which is shared between the two active sites”, Nature Structural Biology, vol. 8, No. 4, Apr. 2001, pp. 312-316.
Redondo et al., “Molecular Basis of Xeroderma Pigmentosum Group C DNA Recognition by Engineered Meganucleases,” Nature, 456: 107-111, (2008).
Quirk et al., “Intron Mobility in the T-Even Phages: Hight Frequency Inheritance of Group I Introns Promoted by Intron Open Reading Frames,” Cell, 56: 455-465 (1989).
Office Action from related U.S. Appl. No. 10/543,556, mailed Aug. 19, 2008.
Office Action from related U.S. Appl. No. 11/908,934, mailed Jan. 25, 2010.
Office Action from related U.S. Appl. No. 10/388,230, mailed Nov. 25, 2008.
Office Action from related U.S. Appl. No. 10/388,230, mailed Jun. 14, 2007.
Office Action from related U.S. Appl. No. 10/388,230, mailed Feb. 9, 2006.
Office Action from related U.S. Appl. No. 10/507,736, mailed Aug. 5, 2009.
Office Action from related U.S. Appl. No. 10/507,736, mailed Aug. 1, 2008.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

I- Cre I meganuclease variants with modified specificity,... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with I- Cre I meganuclease variants with modified specificity,..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and I- Cre I meganuclease variants with modified specificity,... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2724228

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.