Patents by Inventor Olav Lanes
Olav Lanes 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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Publication number: 20230125232Abstract: The present invention relates to the field of ligases. More specifically it relates to novel and highly efficient ATP-dependent DNA ligases with a unique ligase activity making the ligase particularly useful in a variety of molecular biology techniques. Furthermore, the invention relates to compositions and kits comprising the DNA ligase, methods for its manufacture and use.Type: ApplicationFiled: March 31, 2021Publication date: April 27, 2023Inventors: Bernd Ketelsen Striberny, Terese Solstad, Olav Lanes
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Patent number: 11591584Abstract: The invention provides a composition comprising a proteinase or an enzymatically active fragment thereof, said proteinase comprising the amino acid sequence of SEQ ID NO: 1 or comprising an amino acid sequence which is at least about 70% identical to SEQ ID NO: 1, wherein i) the concentration of free calcium in said composition is ?about 80 ?M; or ii) the concentration of monovalent salt in said composition is ?about 20 mM. Under such conditions, the proteinases and enzymatically active fragments thereof are inducibly thermolabile. The invention further provides samples comprising one or more polypeptides and a proteinase or an enzymatically active fragment thereof, said proteinase comprising the amino acid sequence of SEQ ID NO: 1 or comprising an amino acid sequence which is at least about 70% identical to SEQ ID NO: 1, wherein i) the concentration of free calcium in said sample is ?about 80 ?M; or ii) the concentration of monovalent salt in said sample is ?about 20 mM.Type: GrantFiled: March 7, 2019Date of Patent: February 28, 2023Assignee: ARCTICZYMES ASInventors: Bernd Ketelsen Striberny, Cathrine Pedersen, Jørn Remi Henriksen, Olav Lanes, Marit Sjo Lorentzen
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Publication number: 20200407701Abstract: The invention provides a composition comprising a proteinase or an enzymatically active fragment thereof, said proteinase comprising the amino acid sequence of SEQ ID NO: 1 or comprising an amino acid sequence which is at least about 70% identical to SEQ ID NO: 1, wherein i) the concentration of free calcium in said composition is ?about 80 ?M; or ii) the concentration of monovalent salt in said composition is ?about 20 mM. Under such conditions, the proteinases and enzymatically active fragments thereof are inducibly thermolabile. The invention further provides samples comprising one or more polypeptides and a proteinase or an enzymatically active fragment thereof, said proteinase comprising the amino acid sequence of SEQ ID NO: 1 or comprising an amino acid sequence which is at least about 70% identical to SEQ ID NO: 1, wherein i) the concentration of free calcium in said sample is ?about 80 ?M; or ii) the concentration of monovalent salt in said sample is ?about 20 mM.Type: ApplicationFiled: March 7, 2019Publication date: December 31, 2020Inventors: Bernd Ketelsen STRIBERNY, Cathrine PEDERSEN, Jørn Remi HENRIKSEN, Olav LANES, Marit Sjo LORENTZEN
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Publication number: 20200332352Abstract: The invention provides an exonuclease or an enzymatically active fragment thereof, said exonuclease having the amino acid sequence of SEQ ID NO:1 or an amino acid sequence which is at least about 50% identical thereto, wherein said exonuclease or enzymatically active fragment thereof (i) is substantially irreversibly inactivated by heating at a temperature of about 55° C. for 10 minutes in a buffer consisting of 10 mM Tris-HCl, pH 8.5 at 25° C., 50 mM KCl and 5 mM MgCl2; (ii) is substantially specific for single stranded DNA; and (iii) has a 3?-5? exonuclease activity. The invention further provides a method of removing single stranded DNA from a sample, a method of nucleic acid amplification, a method of reverse transcription and a method of nucleic acid sequence analysis in which the exonuclease or enzymatically active fragment thereof is used.Type: ApplicationFiled: August 13, 2019Publication date: October 22, 2020Applicants: ArcticZymes AS, Universitetet I Tromsø - Norges Arktiske UniversitetInventors: Terese SOLSTAD, Elisabeth Lill ANDREASSEN, Marit Sjo LORENTZEN, Olav LANES, Morten ELDE, Atle Noralf LARSEN, Yvonne PIOTROWSKI, Nils Peder WILLASSEN
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Patent number: 10787702Abstract: The invention provides an exonuclease or an enzymatically active fragment thereof, said exonuclease having the amino acid sequence of SEQ ID NO:1 or an amino acid sequence which is at least about 50% identical thereto, wherein said exonuclease or enzymatically active fragment thereof (i) is substantially irreversibly inactivated by heating at a temperature of about 55° C. for 10 minutes in a buffer consisting of 10 mM Tris-HCl, pH 8.5 at 25° C., 50 mM KCl and 5 mM MgCl2; (ii) is substantially specific for single stranded DNA; and (iii) has a 3?-5? exonuclease activity. The invention further provides a method of removing single stranded DNA from a sample, a method of nucleic acid amplification, a method of reverse transcription and a method of nucleic acid sequence analysis in which the exonuclease or enzymatically active fragment thereof is used.Type: GrantFiled: August 13, 2019Date of Patent: September 29, 2020Assignees: ARCTICZYMES AS, UNIVERSITETET I TROMSø—NORGES ARKTISKE UNIVERSITETInventors: Terese Solstad, Elisabeth Lill Andreassen, Marit Sjo Lorentzen, Olav Lanes, Morten Elde, Atle Noralf Larsen, Yvonne Piotrowski, Nils Peder Willassen
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Patent number: 10787653Abstract: The present invention relates to DNA polymerases. In particular, the present invention relates to DNA polymerases based on a DNA polymerase from a Psychrobacillus sp. The present invention provides an isolated DNA polymerase or an enzymatically active fragment thereof, said DNA polymerase comprising the amino acid sequence of SEQ ID NO:1 or comprising an amino acid sequence which is at least 70% identical to SEQ ID NO:1. The invention also provides nucleic acid molecules comprising a nucleotide sequence that encodes the DNA polymerase. The invention also provides a method of nucleotide polymerisation and a method of amplifying a nucleic acid in which the DNA polymerase or an enzymatically active fragment thereof is used.Type: GrantFiled: March 22, 2017Date of Patent: September 29, 2020Assignee: UNIVERSITETET I TROMSØ—NORGES ARKTISKE UNIVERSITETInventors: Atle Noralf Larsen, Yvonne Piotrowski, Netsanet Gizaw Assefa, Olav Lanes
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Publication number: 20200071753Abstract: The invention provides an exonuclease or an enzymatically active fragment thereof, said exonuclease having the amino acid sequence of SEQ ID NO:1 or an amino acid sequence which is at least about 50% identical thereto, wherein said exonuclease or enzymatically active fragment thereof (i) is substantially irreversibly inactivated by heating at a temperature of about 55° C. for 10 minutes in a buffer consisting of 10 mM Tris-HCl, pH 8.5 at 25° C., 50 mM KCl and 5 mM MgCl2; (ii) is substantially specific for single stranded DNA; and (iii) has a 3?-5? exonuclease activity. The invention further provides a method of removing single stranded DNA from a sample, a method of nucleic acid amplification, a method of reverse transcription and a method of nucleic acid sequence analysis in which the exonuclease or enzymatically active fragment thereof is used.Type: ApplicationFiled: August 13, 2019Publication date: March 5, 2020Applicants: ArcticZymes AS, Universitetet I Tromsø - Norges Arktiske UniversitetInventors: Terese SOLSTAD, Elisabeth Lill ANDREASSEN, Marit Sjo LORENTZEN, Olav LANES, Morten ELDE, Atle Noralf LARSEN, Yvonne PIOTROWSKI, Nils Peder WILLASSEN
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Patent number: 10415082Abstract: The invention provides an exonuclease or an enzymatically active fragment thereof, said exonuclease having the amino acid sequence of SEQ ID NO:1 or an amino acid sequence which is at least about 50% identical thereto, wherein said exonuclease or enzymatically active fragment thereof (i) is substantially irreversibly inactivated by heating at a temperature of about 55° C. for 10 minutes in a buffer consisting of 10 mM Tris-HCl, pH 8.5 at 25° C., 50 mM KCl and 5 mM MgCl2; (ii) is substantially specific for single stranded DNA; and (iii) has a 3?-5? exonuclease activity. The invention further provides a method of removing single stranded DNA from a sample, a method of nucleic acid amplification, a method of reverse transcription and a method of nucleic acid sequence analysis in which the exonuclease or enzymatically active fragment thereof is used.Type: GrantFiled: August 28, 2018Date of Patent: September 17, 2019Assignees: ARCTICZYMES AS, UNIVERSITETET I TROMSø—NORGES ARKTISKE UNIVERSITETInventors: Terese Solstad, Elisabeth Lill Andreassen, Marit Sjo Lorentzen, Olav Lanes, Morten Elde, Atle Noralf Larsen, Yvonne Piotrowski, Nils Peder Willassen
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Publication number: 20190106686Abstract: The present invention relates to DNA polymerases. In particular, the present invention relates to DNA polymerases based on a DNA polymerase from a Psychrobacillus sp. The present invention provides an isolated DNA polymerase or an enzymatically active fragment thereof, said DNA polymerase comprising the amino acid sequence of SEQ ID NO:1 or comprising an amino acid sequence which is at least 70% identical to SEQ ID NO:1. The invention also provides nucleic acid molecules comprising a nucleotide sequence that encodes the DNA polymerase. The invention also provides a method of nucleotide polymerisation and a method of amplifying a nucleic acid in which the DNA polymerase or an enzymatically active fragment thereof is used.Type: ApplicationFiled: March 22, 2017Publication date: April 11, 2019Applicant: Universitetet I Tromsø - Norges Arktiske UniversitetInventors: Atle Noralf LARSEN, Yvonne PIOTROWSKI, Netsanet Gizaw ASSEFA, Olav LANES
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Publication number: 20180363042Abstract: The invention provides an exonuclease or an enzymatically active fragment thereof, said exonuclease having the amino acid sequence of SEQ ID NO:1 or an amino acid sequence which is at least about 50% identical thereto, wherein said exonuclease or enzymatically active fragment thereof (i) is substantially irreversibly inactivated by heating at a temperature of about 55° C. for 10 minutes in a buffer consisting of 10 mM Tris-HCl, pH 8.5 at 25° C., 50 mM KCl and 5 mM MgCl2; (ii) is substantially specific for single stranded DNA; and (iii) has a 3?-5? exonuclease activity. The invention further provides a method of removing single stranded DNA from a sample, a method of nucleic acid amplification, a method of reverse transcription and a method of nucleic acid sequence analysis in which the exonuclease or enzymatically active fragment thereof is used.Type: ApplicationFiled: August 28, 2018Publication date: December 20, 2018Applicants: ArcticZymes AS, Universitetet I Tromsø - Norges Arktiske UniversitetInventors: Terese Solstad, Elisabeth Lill Andreassen, Marit Sjo Lorentzen, Olav Lanes, Morten Elde, Atle Noralf Larsen, Yvonne Piotrowski, Nils Peder Willassen
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Patent number: 10087483Abstract: The invention provides an exonuclease or an enzymatically active fragment thereof, said exonuclease having the amino acid sequence of SEQ ID No. 1 or an amino acid sequence which is at least about 50% identical thereto, wherein said exonuclease or enzymatically active fragment thereof (i) is substantially irreversibly inactivated by heating at a temperature of about 55° C. for 10 minutes in a buffer consisting of 10 mM Tris-HCI, pH 8.5 at 25° C., 50 mM KCI and 5 mM MgCI2; (ii) is substantially specific for single stranded DNA; and (iii) has a 3?-5? exonuclease activity. The invention further provides a method of removing single stranded DNA from a sample, a method of nucleic acid amplification, a method of reverse transcription and a method of nucleic acid sequence analysis in which the exonuclease or enzymatically active fragment thereof is used.Type: GrantFiled: August 19, 2015Date of Patent: October 2, 2018Assignees: ARCTICZYMES AS, UNIVERSITETET I TROMSØ—NORGES ARKTISKE UNIVERSITETInventors: Terese Solstad, Elisabeth Lill Andreassen, Marit Sjo Lorentzen, Olav Lanes, Morten Elde, Atle Noralf Larsen, Yvonne Piotrowski, Nils Peder Willassen
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Publication number: 20170233800Abstract: The invention provides an exonuclease or an enzymatically active fragment thereof, said exonuclease having the amino acid sequence of SEQ ID No. 1 or an amino acid sequence which is at least about 50% identical thereto, wherein said exonuclease or enzymatically active fragment thereof (i) is substantially irreversibly inactivated by heating at a temperature of about 55° C. for 10 minutes in a buffer consisting of 10 mM Tris-HCl, pH 8.5 at 25° C., 50 mM KCl and 5 mM MgCl2; (ii) is substantially specific for single stranded DNA; and (iii) has a 3?-5? exonuclease activity. The invention further provides a method of removing single stranded DNA from a sample, a method of nucleic acid amplification, a method of reverse transcription and a method of nucleic acid sequence analysis in which the exonuclease or enzymatically active fragment thereof is used.Type: ApplicationFiled: August 19, 2015Publication date: August 17, 2017Applicants: ArcticZymes AS, Universitetet I Tromsø - Norges Arktiske UniversitetInventors: Terese SOLSTAD, Elisabeth Lill ANDREASSEN, Marit Sjo LORENTZEN, Olav LANES, Morten ELDE, Atle Noralf LARSEN, Yvonne PIOTROWSKI, Nils Peder WILLASSEN
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Patent number: 9650618Abstract: The present invention provides an endonuclease I or enzymatically active fragment thereof wherein said endonuclease I has the sequence of SEQ ID No. 4 or a sequence which is at least 70% identical thereto and wherein the amino acid residue which is immediately N-terminal of the FYCGC pentapeptide motif has been substituted with a residue which is negatively charged as well as nucleic acid molecules encoding these enzymes and methods of removing contaminating polynucleotides from a sample using these enzyme.Type: GrantFiled: July 15, 2016Date of Patent: May 16, 2017Assignee: BIOTEC PHARMACON ASAInventors: Olav Lanes, Linda Havdalen, Terese Solstad, Marit Lorentzen, Bjørn Altermark, Ingar Leiros, Ronny Helland
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Publication number: 20160355798Abstract: The present invention provides an endonuclease I or enzymatically active fragment thereof wherein said endonuclease I has the sequence of SEQ ID No. 4 or a sequence which is at least 70% identical thereto and wherein the amino acid residue which is immediately N-terminal of the FYCGC pentapeptide motif has been substituted with a residue which is negatively charged as well as nucleic acid molecules encoding these enzymes and methods of removing contaminating polynucleotides from a sample using these enzyme.Type: ApplicationFiled: July 15, 2016Publication date: December 8, 2016Applicant: BIOTEC PHARMACON ASAInventors: Olav LANES, Linda HAVDALEN, Terese SOLSTAD, Marit LORENTZEN, Bjørn ALTERMARK, Ingar LEIROS, Ronny HELLAND
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Patent number: 9422595Abstract: The present invention provides an endonuclease I or enzymatically active fragment thereof wherein said endonuclease I has the sequence of SEQ ID No. 4 or a sequence which is at least 70% identical thereto and wherein the amino acid residue which is immediately N-terminal of the FYCGC pentapeptide motif has been substituted with a residue which is negatively charged as well as nucleic acid molecules encoding these enzymes and methods of removing contaminating polynucleotides from a sample using these enzyme.Type: GrantFiled: February 18, 2013Date of Patent: August 23, 2016Assignee: BIOTEC PHARMACON ASAInventors: Olav Lanes, Linda Havdalen, Terese Solstad, Marit Lorentzen, Bjørn Altermark, Ingar Leiros, Ronny Helland
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Patent number: 9133447Abstract: 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: September 25, 2013Date of Patent: September 15, 2015Assignee: Biotec Pharmacon ASAInventors: Olav Lanes, Morten Elde, Dag Rune Gjellesvik
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Publication number: 20140370514Abstract: The present invention provides an endonuclease I or enzymatically active fragment thereof wherein said endonuclease I has the sequence of SEQ ID No. 4 or a sequence which is at least 70% identical thereto and wherein the amino acid residue which is immediately N-terminal of the FYCGC pentapeptide motif has been substituted with a residue which is negatively charged as well as nucleic acid molecules encoding these enzymes and methods of removing contaminating polynucleotides from a sample using these enzyme.Type: ApplicationFiled: February 18, 2013Publication date: December 18, 2014Applicant: BIOTEC PHARMACONB ASAInventors: Olav Lanes, Linda Havdalen, Terese Solstad, Marit Lorentzen, Bjørn Altermark, Ingar Leiros, Ronny Helland
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Publication number: 20140093938Abstract: 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: ApplicationFiled: September 25, 2013Publication date: April 3, 2014Applicant: BIOTEC PHARMACON ASAInventors: Olav Lanes, Morten Elde, Dag Rune Gjellesvik
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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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Publication number: 20110020878Abstract: 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: ApplicationFiled: July 21, 2010Publication date: January 27, 2011Applicant: BIOTEC PHARMACON ASAInventors: Olav Lanes, Morten Elde, Dag Rune Gjellesvik