Patents by Inventor Farid Ghadessy
Farid Ghadessy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11414681Abstract: The present invention refers to lambda integrases comprising at least one amino acid mutation at positions 43, 319 and 336 of the lambda integrase as set forth in SEQ ID NO: 1. The invention further refers to nucleic acid molecules comprising the nucleotide sequence encoding the mutant lambda integrase and to host cells containing these nucleic acid molecules. The invention also refers to methods of recombining a nucleic acid of interest into a target nucleic acid in the presence of the mutant lambda integrase and sequence specific recombination kits.Type: GrantFiled: June 3, 2019Date of Patent: August 16, 2022Assignee: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Farid Ghadessy, Jia Wei Siau, Peter Droge, Harshyaa Makhija, Shree Harsh Vijaya Chandra, Sabrina Peter
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Publication number: 20200063165Abstract: The present invention refers to lambda integrases comprising at least one amino acid mutation at positions 43, 319 and 336 of the lambda integrase as set forth in SEQ ID NO: 1. The invention further refers to nucleic acid molecules comprising the nucleotide sequence encoding the mutant lambda integrase and to host cells containing these nucleic acid molecules. The invention also refers to methods of recombining a nucleic acid of interest into a target nucleic acid in the presence of the mutant lambda integrase and sequence specific recombination kits.Type: ApplicationFiled: June 3, 2019Publication date: February 27, 2020Inventors: Farid GHADESSY, Jia Wei SLAU, Peter DROGE, Harshyaa MAKHIJA, Shree Harsh VIJAYA CHANDRA, Sabrina PETER
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Patent number: 10344301Abstract: The present invention refers to lambda integrases comprising at least one amino acid mutation at positions 43, 319 and 336 of the lambda integrase as set forth in SEQ ID NO: 1. The invention further refers to nucleic acid molecules comprising the nucleotide sequence encoding the mutant lambda integrase and to host cells containing these nucleic acid molecules. The invention also refers to methods of recombining a nucleic acid of interest into a target nucleic acid in the presence of the mutant lambda integrase and sequence specific recombination kits.Type: GrantFiled: August 11, 2015Date of Patent: July 9, 2019Assignee: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Farid Ghadessy, Jia Wei Siau, Peter Droge, Harshyaa Makhija, Shree Harsh Vijaya Chandra, Sabrina Peter
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Publication number: 20180172678Abstract: Methods, systems and nanoprobes for identifying sequence-specific transcription factor DNA interactions for drug and/or disease screening are provided. The method includes homogeneously mixing plasmonic metal nanoparticle probes with protein samples as an assay in multi-well plates. The plasmonic metal nanoparticle probes comprise a plurality of plasmonic metal nanoparticles and a specific DNA response element and the protein samples bind with the specific response elements to form an assembly of the plasmonic metal nanoparticle probes. The method further includes measuring particle size distribution of the assembly of the plasmonic metal nanoparticle probes in the solution by dynamic light scattering and determining one or more sequence-specific transcription factor DNA interactions from a curve of the particle size distribution determined from light scattered by the dynamic light scattering. The nanoprobe includes a plurality of plasmonic metal nanoparticles and a DNA linker.Type: ApplicationFiled: December 16, 2016Publication date: June 21, 2018Inventors: Yen Nee TAN, Xinting ZHENG, Farid GHADESSY, Walter Leng Peng GOH, David LANE, Lin-Yue Lanry YUNG
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Patent number: 9863937Abstract: The present invention relates to methods and compositions for detecting an interaction between a protein and a ligand, comprising: (i) binding at least one fluorescent molecular rotor to said ligand or protein; and (ii) detecting a change in fluorescence emitted by said fluorescent molecular rotor after contact of the bound fluorescent molecular rotor with the other of said ligand or protein, thereby detecting an interaction between the ligand and the protein, wherein the fluorescent molecular rotor comprises: a rotating ?-bond; an electron-donating moiety; an electron-accepting moiety; and a ?-conjugated linker.Type: GrantFiled: September 26, 2013Date of Patent: January 9, 2018Assignee: Agency for Science, Technology and ResearchInventors: Sydney Brenner, Yin Nah Teo, Farid Ghadessy, Leng Peng Walter Goh, Min Yen Lee
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Publication number: 20170327847Abstract: The present invention refers to lambda integrases comprising at least one amino acid mutation at positions 43, 319 and 336 of the lambda integrase as set forth in SEQ ID NO: 1. The invention further refers to nucleic acid molecules comprising the nucleotide sequence encoding the mutant lambda integrase and to host cells containing these nucleic acid molecules. The invention also refers to methods of recombining a nucleic acid of interest into a target nucleic acid in the presence of the mutant lambda integrase and sequence specific recombination kits.Type: ApplicationFiled: August 11, 2015Publication date: November 16, 2017Inventors: Farid GHADESSY, Jia Wei SIAU, Peter DROGE, Harshyaa MAKHIJA, Shree Harsh VIJAYA CHANDRA, Sabrina PETER
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Publication number: 20170121752Abstract: There is provided a method for detecting the presence or absence of acrylic acid or its derivatives thereof in a sample, the method comprising the steps of: (a) introducing a probe comprising a diaryltetrazole compound to the sample; (b) exposing said sample to light; and (c) detecting the presence or absence of acrylic acid or its derivatives thereof in the sample based on fluorescence emitted by the sample after step (c).Type: ApplicationFiled: May 14, 2015Publication date: May 4, 2017Inventors: Yin Nah TEO, Zhi Yi LEE, Farid GHADESSY, Sarada Srinivasa RAGHAVAN
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Publication number: 20160195519Abstract: The present invention relates to methods and compositions for detecting an interaction between a protein and a ligand, comprising: (i) binding at least one fluorescent molecular rotor to said ligand or protein; and (ii) detecting a change in fluorescence emitted by said fluorescent molecular rotor after contact of the bound fluorescent molecular rotor with the other of said ligand or protein, thereby detecting an interaction between the ligand and the protein, wherein the fluorescent molecular rotor comprises: a rotating ?-bond; an electron-donating moiety; an electron-accepting moiety; and a ?-conjugated linker.Type: ApplicationFiled: September 26, 2013Publication date: July 7, 2016Inventors: Sydney Brenner, Yin Nah Teo, Farid Ghadessy, Leng Peng Walter Goh, Min Yen Lee
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Publication number: 20150276755Abstract: The present disclosure provides a method of determining resistance of a biological molecule to inhibition of its interaction with a target molecule by an inhibitor of the biological molecule, the method comprising the steps of: a) co-compartmentalizing a gene encoding the biological molecule with the target molecule, or a gene encoding the biological molecule with a gene encoding the target molecule into an aqueous droplet disposed within a water-in-oil emulsion, and b) assaying for a complex comprising the biological molecule and the target molecule upon expression of the gene encoding the biological molecule and the gene encoding the target molecule, wherein detection of the complex in the presence of the inhibitor indicates that the biological molecule is resistant to inhibition of its interaction with the target molecule by the inhibitor. Also provided are mutated HDM2 ubiquitin ligase polypeptides exhibiting resistance to Nutlin inhibition of p53 binding.Type: ApplicationFiled: October 25, 2013Publication date: October 1, 2015Inventors: Farid Ghadessy, Chandra Shekhar Verma, David Philip Lane, Jia Wei Siau, Thomas Leonard Joseph, Adelene Yen Ling Sim
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Patent number: 9096835Abstract: The present invention relates to DNA polymerases. In particular the invention relates to a method for the generation of DNA polymerases exhibiting a relaxed substrate specificity. Uses of mutant polymerases produced using the methods of the invention are also described.Type: GrantFiled: June 19, 2012Date of Patent: August 4, 2015Assignee: Medical Research CouncilInventors: Philipp Holliger, Farid Ghadessy, Marc d'Abbadie
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Patent number: 8871686Abstract: The invention relates to methods of identifying a binding partner of a target molecule within a plurality of analyte molecules, including a plurality of peptides and/or proteins. The target molecule is physically combined with a target labeling nucleic acid molecule. Each member of the plurality of analyte molecules is physically linked to an analyte labeling nucleic acid molecule, each analyte labeling nucleic acid molecule comprising a selected nucleotide sequence. This specific nucleotide sequence may include a sequence encoding a peptide/protein combined therewith. The target molecule is contacted with the analyte molecules and a complex between the target molecule and an analyte molecule forms. The mixture is subdivided into compartments. The target labeling nucleic acid molecule and the analyte labeling nucleic acid molecule are linked and the plurality of compartments allowed to disintegrate. The linked nucleic acid molecule is retrieved and the sequence determined.Type: GrantFiled: July 7, 2010Date of Patent: October 28, 2014Assignee: Agency for Science, Technology and ResearchInventors: John Farid Ghadessy, Saurabh Nirantar
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Publication number: 20140127694Abstract: The present invention relates to DNA polymerases. In particular the invention relates to a method for the generation of DNA polymerases exhibiting a relaxed substrate specificity. Uses of mutant polymerases produced using the methods of the invention are also described.Type: ApplicationFiled: June 19, 2012Publication date: May 8, 2014Applicant: Medical Research CouncilInventors: Philipp Holliger, Farid Ghadessy, Marc D'Abbadie
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Publication number: 20130143749Abstract: The present invention relates to methods of identifying a binding partner of a target molecule within a plurality of analyte molecules, including a plurality of peptides and/or proteins. The target molecule is physically combined with a target labeling nucleic acid molecule, which includes a specific nucleotide sequence. Where the target molecule is a peptide/protein this specific nucleotide sequence may include a sequence encoding the target molecule. Each member of the plurality of analyte molecules is physically linked to an analyte labeling nucleic acid molecule, each analyte labeling nucleic acid molecule comprising a selected nucleotide sequence. This specific nucleotide sequence may include a sequence encoding a peptide/protein combined therewith. The target molecule is contacted with the analyte molecules and a complex between the target molecule and an analyte molecule forms.Type: ApplicationFiled: July 7, 2010Publication date: June 6, 2013Inventors: John Farid Ghadessy, Saurabh Nirantar
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Publication number: 20120184011Abstract: An emulsion is useful in allowing a wide variety of gene products to be expressed via eukaryotic in vitro expression. The emulsion comprises a silicone based surfactant, a hydrophobic phase and a hydrophilic phase; wherein the hydrophilic phase comprises a plurality of compartments containing a functional in vitro eukaryotic expression system.Type: ApplicationFiled: February 29, 2012Publication date: July 19, 2012Inventors: Phillip Holliger, Farid Ghadessy
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Patent number: 8153364Abstract: An emulsion is useful in allowing a wide variety of gene products to be expressed via eukaryotic in vitro expression. The emulsion comprises a silicone based surfactant, a hydrophobic phase and a hydrophilic phase; wherein the hydrophilic phase comprises a plurality of compartments containing a functional in vitro eukaryotic expression system.Type: GrantFiled: January 26, 2010Date of Patent: April 10, 2012Assignee: MRCInventors: Philipp Holliger, Farid Ghadessy
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Patent number: 8153402Abstract: An emulsion is useful in allowing a wide variety of gene products to be expressed via eukaryotic in vitro expression. The emulsion comprises a silicone based surfactant, a hydrophobic phase and a hydrophilic phase; wherein the hydrophilic phase comprises a plurality of compartments containing a functional in vitro eukaryotic expression system.Type: GrantFiled: October 6, 2009Date of Patent: April 10, 2012Assignee: Medical Research CouncilInventors: Phillip Holliger, Farid Ghadessy
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Publication number: 20100298552Abstract: An emulsion is useful in allowing a wide variety of gene products to be expressed via eukaryotic in vitro expression. The emulsion comprises a silicone based surfactant, a hydrophobic phase and a hydrophilic phase; wherein the hydrophilic phase comprises a plurality of compartments containing a functional in vitro eukaryotic expression system.Type: ApplicationFiled: January 26, 2010Publication date: November 25, 2010Inventors: Phillipp Holliger, Farid Ghadessy
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Publication number: 20100159592Abstract: An emulsion is useful in allowing a wide variety of gene products to be expressed via eukaryotic in vitro expression. The emulsion comprises a silicone based surfactant, a hydrophobic phase and a hydrophilic phase; wherein the hydrophilic phase comprises a plurality of compartments containing a functional in vitro eukaryotic expression system.Type: ApplicationFiled: October 6, 2009Publication date: June 24, 2010Inventors: Phillip Holliger, Farid Ghadessy
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Patent number: 7655435Abstract: An emulsion is useful in allowing a wide variety of gene products to be expressed via eukaryotic in vitro expression. The emulsion comprises a silicone based surfactant, a hydrophobic phase and a hydrophilic phase; wherein the hydrophilic phase comprises a plurality of compartments containing a functional in vitro eukaryotic expression system.Type: GrantFiled: March 28, 2008Date of Patent: February 2, 2010Assignee: Medical Research CouncilInventors: Phillipp Holliger, Farid Ghadessy
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Publication number: 20090305292Abstract: The present invention relates to DNA polymerases. In particular the invention relates to a method for the generation of DNA polymerases exhibiting a relaxed substrate specificity. Uses of mutant polymerases produced using the methods of the invention are also described.Type: ApplicationFiled: August 10, 2009Publication date: December 10, 2009Applicant: MEDICAL RESEARCH COUNCILInventors: Philipp Holliger, Farid Ghadessy, Marc d'Abbadie