Patents Assigned to Oxford Nanopore Technologies Limited
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Publication number: 20210284696Abstract: The present invention relates to novel protein pores and their uses in analyte detection and characterisation. The invention particularly relates to an isolated pore complex formed by a CsgG-like pore and a modified CsgF peptide, or a homologue or mutant thereof, thereby incorporating an additional channel constriction or reader head in the nanopore. The invention further relates to a transmembrane pore complex and methods for production of the pore complex and for use in molecular sensing and nucleic acid sequencing applications.Type: ApplicationFiled: March 18, 2021Publication date: September 16, 2021Applicants: Oxford Nanopore Technologies Limited, VIB VZW, Vrije Universiteit BrusselInventors: Han Remaut, Sander Van Der Verren, Nani Van Gerven, Lakmal Jayasinghe, Elizabeth Jayne Wallace, Pratik Raj Singh, Richard George Hambley, Michael Jordan, John Joseph Kilgour
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Patent number: 11085078Abstract: The invention provides a method of detecting a target polynucleotide in a sample comprising: (a) contacting the sample with a guide polynucleotide that binds to a sequence in the target polynucleotide and a polynucleotide-guided effector protein, wherein the guide polynucleotide and polynucleotide-guided effector protein form a complex with any target polynucleotide present in the sample; (b) contacting the sample with a membrane comprising a transmembrane pore; (c) applying a potential to the membrane; and (d) monitoring for the presence or absence of an effect resulting from the interaction of the complex with the transmembrane pore to determine the presence or absence of the complex, thereby detecting the target polynucleotide in the sample.Type: GrantFiled: September 29, 2017Date of Patent: August 10, 2021Assignee: Oxford Nanopore Technologies LimitedInventors: Andrew John Heron, James Edward Graham, Richard Alexander Gutierrez, Rebecca Victoria Bowen, James White, Clive Gavin Brown, Daniel George Fordham
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Publication number: 20210230665Abstract: A method for selecting polynucleotides, the method comprising: allowing a nucleic acid handling enzyme to move along multiple polynucleotides in a sample for a defined time period, wherein the enzyme is loaded onto each of the multiple polynucleotides and wherein one or more molecule of the enzyme moves along each of the multiple polynucleotides; and selecting polynucleotides based on whether or not the enzyme reaches the end of and/or unbinds from the polynucleotides in the defined time period.Type: ApplicationFiled: January 7, 2019Publication date: July 29, 2021Applicant: Oxford Nanopore Technologies LimitedInventors: Andrew John Heron, Rebecca Victoria Bowen
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Publication number: 20210198718Abstract: A method of attaching an adapter to a polynucleotide comprising: providing a double stranded polynucleotide comprising a single stranded break point within its polynucleotide sequence; contacting said double stranded polynucleotide with an exonuclease to form a single stranded region initiated at said break point; attaching an adapter to said single stranded region.Type: ApplicationFiled: May 24, 2019Publication date: July 1, 2021Applicant: Oxford Nanopore Technologies LimitedInventors: Daniel George Fordham, Phillip Laurence James
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Publication number: 20210198710Abstract: The invention relates to new methods for synthesising polynucleotide molecules according to a predefined nucleotide sequence. The invention also relates to methods for the assembly of synthetic polynucleotides following synthesis, as well as systems and kits for performing the synthesis and/or assembly methods.Type: ApplicationFiled: May 23, 2019Publication date: July 1, 2021Applicant: Oxford Nanopore Technologies LimitedInventors: John Milton, Sobia Nayyar, Jan Riedl, Ryosuke Ogaki
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Publication number: 20210198656Abstract: The invention provides methods of selecting polynucleotides based on their size in globular form. The polynucleotides may be treated with a condensation medium, e.g. comprising polyethylene glycol, e.g. PEG8000, and salt, in order to adopt a globular form. The method may employing filtering in order to retain the larger nucleic acids and make the larger nucleic acids available for sequencing applications, such as nanopore sequencing. The invention also relates to kits for selecting polynucleotides.Type: ApplicationFiled: May 24, 2019Publication date: July 1, 2021Applicant: Oxford Nanopore Technologies LimitedInventor: Daniel George Fordham
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Publication number: 20210198732Abstract: A method for selectively modifying a target polynucleotide in a sample of polynucleotides, the method comprising contacting a sample of polynucleotides with a guide polynucleotide that binds to a sequence in the target polynucleotide and a polynucleotide-guided effector protein such that the polynucleotide-guided effector protein cuts the target polynucleotide to produce a cut end comprising an overhang; and attaching an adapter to the cut end in the target polynucleotide.Type: ApplicationFiled: May 24, 2019Publication date: July 1, 2021Applicant: Oxford Nanopore Technologies LimitedInventors: James Edward Graham, Etienne Raimondeau, Rebecca Victoria Bowen
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Publication number: 20210180124Abstract: The invention relates to a new method of determining the presence, absence or characteristics of an analyte. The analyte is coupled to a membrane. The invention also relates to nucleic acid sequencing.Type: ApplicationFiled: November 10, 2020Publication date: June 17, 2021Applicant: Oxford Nanopore Technologies LimitedInventors: James Anthony Clarke, James White, John Milton, Clive Gavin Brown
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Publication number: 20210170403Abstract: A microfluidic device for analysing a test liquid comprises: a sensor (235), such as a membrane provided with nanopores, provided in a sensing chamber (237); a sensing chamber inlet channel (261) and a sensing chamber outlet channel (262), each connecting to the sensing chamber for respectively passing liquid into and out of the sensing chamber, and a reservoir (233) forming a sample input port to the microfluidic device, the reservoir being in fluid communication with the sensing chamber inlet channel (261); a liquid collection channel (232); a barrier (231) between an end of the sensing chamber outlet channel (262) and the liquid collection channel (232); a first seal (251), covering the sample input port; a second seal (252), covering the end of the sensing chamber outlet channel (262), thereby preventing liquid from flowing from the sensing chamber (237), over the barrier (231), into the liquid collection channel (232); wherein the microfluidic device is filled with a liquid from the first seal (251) at tType: ApplicationFiled: November 23, 2018Publication date: June 10, 2021Applicant: Oxford Nanopore Technologies LimitedInventor: David Waterman
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Publication number: 20210148903Abstract: The invention relates to a method of determining the presence or absence of a target analyte in a sample. The method comprises immobilising any target analyte present in the sample on a surface; contacting the surface with: (i) a first detection agent that binds specifically to the target analyte; and (ii) a reporter polynucleotide, wherein the reporter polynucleotide is bound to, or binds to, the first detection agent; and contacting a transmembrane pore with any reporter polynucleotide that has been immobilised on the surface, wherein the reporter polynucleotide is immobilised on the surface by binding of the first agent to the target analyte, and using the transmembrane pore to detect the reporter polynucleotide, thereby determining the presence or absence of the target analyte in the sample.Type: ApplicationFiled: May 3, 2018Publication date: May 20, 2021Applicant: Oxford Nanopore Technologies LimitedInventor: Daniel George Fordham
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Publication number: 20210147490Abstract: Provided is a method of characterising a polynucleotide using a transmembrane pore, wherein the pore is a double pore comprising a first Csg G pore, or a homologue thereof, and a second CsgG pore, or a homologue thereof.Type: ApplicationFiled: May 3, 2018Publication date: May 20, 2021Applicants: Oxford Nanopore Technologies Limited, VIB VZW, Vrije Universiteit BrusselInventors: Lakmal Nishantha Jayasinghe, Elizabeth Jayne Wallace, Pratik Raj Singh, Richard George Hambley, Michael Jordan, Han Remaut
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Publication number: 20210147486Abstract: The present invention relates to novel protein pores and their uses in analyte detection and characterisation. The invention particularly relates to an isolated pore complex formed by a CsgG-like pore and a modified CsgF peptide, or a homologue or mutant thereof, thereby incorporating an additional channel constriction or reader head in the nanopore. The invention further relates to a transmembrane pore complex and methods for production of the pore complex and for use in molecular sensing and nucleic acid sequencing applications.Type: ApplicationFiled: July 2, 2018Publication date: May 20, 2021Applicants: Oxford Nanopore Technologies Limited, VIB VZW, Vrije Universiteit BrusselInventors: Han Remaut, Sander Egbert Van Der Verren, Nani Van Gerven, Lakmal Nishantha Jayasinghe, Elizabeth Jayne Wallace, Pratik Raj Singh, Richard George Hambley, Michael Robert Jordan, John Joseph Kilgour
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Publication number: 20210123032Abstract: The invention relates to modified helicases with reduced unbinding from polynucleotides. The helicases can be used to control the movement of polynucleotides and are particularly useful for sequencing polynucleotides.Type: ApplicationFiled: October 6, 2020Publication date: April 29, 2021Applicant: Oxford Nanopore Technologies LimitedInventors: Andrew Heron, Anthony Clarke, Ruth Moysey, Elizabeth Jayne Wallace, Mark Bruce, Lakmal Jayasinghe, Domenico Caprotti, Szabolcs Soeroes, Luke McNeill, David Alves, Rebecca Bowen, John Milton
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Publication number: 20210095337Abstract: The invention relates to a new method of determining the presence, absence or characteristics of an analyte. The analyte is coupled to a membrane. The invention also relates to nucleic acid sequencing.Type: ApplicationFiled: October 7, 2020Publication date: April 1, 2021Applicant: Oxford Nanopore Technologies LimitedInventors: James Anthony Clarke, James White, John Milton, Clive Gavin Brown
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Publication number: 20210087623Abstract: The invention relates to a new method of determining the presence, absence or characteristics of an analyte. The analyte is coupled to a membrane. The invention also relates to nucleic acid sequencing.Type: ApplicationFiled: October 7, 2020Publication date: March 25, 2021Applicant: Oxford Nanopore Technologies LimitedInventors: James Anthony Clarke, James White, John Milton, Clive Gavin Brown
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Patent number: 10927394Abstract: The invention relates to new methods for synthesising polynucleotide molecules according to a predefined nucleotide sequence. The invention also relates to methods for the assembly of synthetic polynucleotides following synthesis, as well as systems and kits for performing the synthesis and/or assembly methods.Type: GrantFiled: January 19, 2018Date of Patent: February 23, 2021Assignee: Oxford Nanopore Technologies LimitedInventors: John Milton, Sobia Nayyar, Jan Riedl, Ryosuke Ogaki
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Publication number: 20210018500Abstract: The invention relates to a new method of determining in a sample the presence or absence of one or more analyte members of a group of two or more analytes. The invention therefore relates to a multiplex assay for determining the presence or absence of each analyte in a group of multiple analytes. The assay uses aptamers and transmembrane pores.Type: ApplicationFiled: June 30, 2020Publication date: January 21, 2021Applicant: Oxford Nanopore Technologies LimitedInventors: Daniel John Turner, Daniel George Fordham, Roger Charles Gill, Clive Gavin Brown, Stuart Reid, James Anthony Clarke, James White
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Patent number: 10808231Abstract: The invention relates to modified helicases with reduced unbinding from polynucleotides. The helicases can be used to control the movement of polynucleotides and are particularly useful for sequencing polynucleotides.Type: GrantFiled: July 18, 2013Date of Patent: October 20, 2020Assignee: Oxford Nanopore Technologies LimitedInventors: Andrew Heron, James Clarke, Ruth Moysey, Elizabeth Jayne Wallace, Mark Bruce, Lakmal Jayasinghe, Domenico Caprotti, Szabolcs Soeroes, Luke McNeill, David Alves, Rebecca Bowen, John Milton
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Publication number: 20200309761Abstract: An optical device comprises a metasurface including a plurality of nanostmctures. The nanostmctures convert an input light of an arbitrary spin state into an output light of an arbitrary total angular momentum state characterized by a superposition of two independent orbital angular momentum (OAM) states.Type: ApplicationFiled: May 4, 2018Publication date: October 1, 2020Applicant: Oxford Nanopore Technologies LimitedInventors: Timothy Lee Massingham, Joseph Edward Harvey
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Publication number: 20200299336Abstract: The invention relates to mutant forms of CsgG. The invention also relates to analyte detection and characterisation using CsgG.Type: ApplicationFiled: March 2, 2017Publication date: September 24, 2020Applicant: Oxford Nanopore Technologies LimitedInventors: Lakmal Jayasinghe, Elizabeth Jayne Wallace