Patents by Inventor Leonardo De Maria
Leonardo De Maria 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: 20140047571Abstract: The present invention relates to polypeptides having phytase activity. These polypeptides have an amino acid sequence which has at least 70% identity to either of three phytases derived from the bacterium Buttiauxella, and which comprises at least one of the following amino acids at the position indicated: 119N, 120L, and/or 121E. These phytases have an improved specific activity. Additional specific amino acid substitutions are also disclosed which characterize and distinguish additional phytases of the invention having improved properties such as temperature and/or pH stability, pH activity profile, temperature activity profile, substrate profile, improved performance in animal feed in vitro or in vivo. The invention also relates to isolated polynucleotides encoding the polypeptides, nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods for producing and using the polypeptides.Type: ApplicationFiled: October 11, 2013Publication date: February 13, 2014Applicant: Novozymes A/SInventors: Carsten Sjoeholm, Soeren Flensted Lassen, Lars Kobberoee Skov, Leonardo De Maria
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Publication number: 20130298267Abstract: The present invention relates to polypeptides having phytase activity. These polypeptides have an amino acid sequence which has at least 70% identity to either of three phytases derived from the bacterium Buttiauxella, and which comprises at least one of the following amino acids at the position indicated: 119N, 120L, and/or 121E. These phytases have an improved specific activity. Additional specific amino acid substitutions are also disclosed which characterize and distinguish additional phytases of the invention having improved properties such as temperature and/or pH stability, pH activity profile, temperature activity profile, substrate profile, improved performance in animal feed in vitro or in vivo. The invention also relates to isolated polynucleotides encoding the polypeptides, nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods for producing and using the polypeptides.Type: ApplicationFiled: July 19, 2013Publication date: November 7, 2013Inventors: Carsten Sjoeholm, Soeren Flensted Lassen, Lars Kobberoee Skov, Leonardo De Maria
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Publication number: 20130266554Abstract: The present invention is directed to lysozyme variants and nucleotide sequences encoding same. The lysozyme variants have antimicrobial and/or lysozyme activity and comprise an alteration of an amino acid sequence at one or more positions. The present invention is also directed to methods for producing and of using the Opisthocomus hoazin lysozyme and the lysozyme variants of the present invention as antimicrobial agents.Type: ApplicationFiled: September 15, 2011Publication date: October 10, 2013Applicant: NOVOZYMES A/SInventors: Mikkel Klausen, Marie Allesen Holm, Leonardo De Maria, Michael Skjoet
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Patent number: 8507240Abstract: The present invention relates to phytases having at least 76% identity to a phytase derived from Hafnia alvei and comprises at least one modification in the amino acid sequence thereof. These phytase variants have modified, preferably improved, properties, such as, reduced protease sensibility, preferably they exhibit improved properties in respect of thermal performance, such as heat-stability (temperature stability, thermostability), steam stability, pelleting stability and/or temperature profile; and/or protease stability, in particular pepsin stability, pH profile, specific activity, substrate specificity, performance in animal feed (such as an improved release and/or degradation of phytate), susceptibility to glycation, and/or glycosylation pattern. The invention also relates to DNA encoding these phytases, methods of their production, as well as the use thereof, e.g., in animal feed and animal feed additives.Type: GrantFiled: May 16, 2012Date of Patent: August 13, 2013Assignee: Novozymes A/SInventors: Soeren Flensted Lassen, Leonardo De Maria, Lars Kobberoee Skov, Esben Peter Friis, Tomoko Matsui, Allan Noergaard, Jesper Vind
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Publication number: 20130195829Abstract: The present invention relates to a method for producing phytase variants which has at least 74% identity to a phytase derived from Citrobacter braakii and comprises at least two additional disulfide bonds as compared to this phytase. These phytase variants have modified, preferably improved, properties, such as thermostability, temperature profile, pH profile, specific activity, performance in animal feed, reduced protease sensitiliby, and/or an modified glycosylation pattern. The invention also relates to the variants produced, DNA encoding these phytases, methods of their production, as well as the use thereof, e.g. in animal feed and animal feed additives.Type: ApplicationFiled: March 25, 2011Publication date: August 1, 2013Applicant: NOVOZYMES A/SInventors: Lars Koberoee Skov, Leonardo De Maria, Tomoko Matsui
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Patent number: 8460656Abstract: The present invention relates to a phytase which has at least 80% identity to a phytase derived from Citrobacter braakii and comprises at least one alteration when compared to this phytase. These phytase variants have amended, preferably improved, properties, such as thermostability, temperature profile, pH profile, specific activity, performance in animal feed, reduced protease sensitiliby, and/or an amended glycosylation pattern. The invention also relates to DNA encoding these phytases, methods of their production, as well as the use thereof, e.g. in animal feed and animal feed additives.Type: GrantFiled: March 19, 2007Date of Patent: June 11, 2013Assignee: Novozymes A/SInventors: Leonardo De Maria, Carsten Andersen, Lars Kobberoee Skov, Mikael Blom Soerensen
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Patent number: 8415119Abstract: The present invention relates to a method of producing a protein of interest comprising: (a) cultivating a mutant cell under conditions conducive for production of the protein wherein the mutant has a reduced or no expression of an endogenous polypeptide shown in SEQ ID NO: 2 compared to a parent host cell grown under the same conditions; and optionally (b) recovering the protein of interest.Type: GrantFiled: February 20, 2009Date of Patent: April 9, 2013Assignee: Novozymes A/SInventors: Mogens Trier Hansen, Birthe Marie Ravn, Leonardo De Maria
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Patent number: 8377677Abstract: The invention relates to a novel 3D structure encoding a Nocardiopsis protease, as well as to variants of parent protease homologous to Nocardiopsis proteases, preferably of improved thermostability and/or with an amended temperature activity profile. The invention also relates to DNA sequences encoding such variants, their production in a recombinant host cell, as well as methods of using the variants, in particular within the field of animal feed and detergents. The invention furthermore relates to methods of generating and preparing protease variants of amended properties.Type: GrantFiled: January 5, 2011Date of Patent: February 19, 2013Assignee: Novozymes A/SInventors: Leonardo De Maria, Carsten Andersen, Lars Lehmann Hylling Christensen, Soren Flensted Lassen, Peter Rahbek Ostergaard
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Publication number: 20130040342Abstract: The present invention relates to a method for producing phytase variants has at least 70% identity to a phytase derived from Buttiauxella and comprises at least one additional disulfide bond as compared to this phytase. These phytase variants have modified, preferably improved, properties, such as thermostability, temperature profile, pH profile, specific activity, performance in animal feed, reduced protease sensitiliby, and/or an modified glycosylation pattern. The invention also relates to the variants produced, DNA encoding these phytases, methods of their production, as well as the use thereof, e.g. in animal feed and animal feed additives.Type: ApplicationFiled: March 25, 2011Publication date: February 14, 2013Applicant: NOVOZYMES A/SInventors: Leonardo De Maria, Lars Kobberoee Skov, Michael Skjoet
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Patent number: 8367390Abstract: The present invention relates to variants of Glycoside Hydrolase family 53 galactanases, e.g., variants of the galactanases from strains of Yersinia, Aspergillus, Humicola, Meripilus, Myceliophthora, Thermomyces, Bacillus, Bifidobacterium, Cellvibrio, Clostridium, Pseudomonas, Thermotoga, or Xanthomonas.Type: GrantFiled: April 8, 2009Date of Patent: February 5, 2013Assignee: Novozymes A/SInventors: Leonardo De Maria, Allan Svendsen, Torben Vedel Borchert, Lars Lehmann Hylling Christensen, Sine Larsen, Carsten Ryttersgaard
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Publication number: 20130023028Abstract: The invention relates to a method of preparing a variant of a parent polypeptide comprising: (a) providing an amino acid sequence of a parent polypeptide; (b) substituting at least one amino acid residue at a position in the sequence corresponding to any of positions: 41, 83, 129, 207 or 284 in SEQ ID No: 2; (c) selecting a variant with lipolytic activity, which compared to the parent polypeptide has improved stability, and has an amino acid sequence with at least 60% identity to the mature polypeptide of SEQ ID No: 2; and (d) recovering the variant.Type: ApplicationFiled: December 2, 2010Publication date: January 24, 2013Applicants: Novozymes South Asia Pvt. Ltd., Novozymes A/SInventors: Allan Svendsen, Sangeeta Naik, Saikia Rakhi, Aditya Basu, Pritish Paul, Santhosh Maypadum Vasu, Leonardo De Maria, Michael Skjot
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Publication number: 20130017185Abstract: The present invention relates to a phytase which has at least 70% identity to a phytase derived from E. coli and comprises at least one modification as compared to this phytase. These phytase variants have modified, preferably improved, properties, such as thermostability, temperature profile, pH profile, specific activity, performance in animal feed, reduced protease sensibility, and/or an modified glycosylation pattern. The invention also relates to DNA encoding these phytases, methods of their production, as well as the use thereof, e.g. in animal feed and animal feed additives.Type: ApplicationFiled: March 25, 2011Publication date: January 17, 2013Applicant: NOVOZYMES A/SInventors: Leonardo De Maria, Lars Kobberoee Skov, Michael Skjoet
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Publication number: 20120295000Abstract: The present invention relates to isolated polypeptides and isolated nucleic acid sequences encoding the polypeptides, as well as methods for producing and using the polypeptides in animal feed. An example of a polypeptide of the invention is the so-called L12 protein from Bacillus licheniformis ATCC 14580 which improves the Feed Conversion Ratio (FCR) and/or acts as a gut microflora modulator. The invention furthermore relates to the probiotic use of strains of Bacillus which produce proteins related to L12.Type: ApplicationFiled: August 3, 2012Publication date: November 22, 2012Applicant: NOVOZYMES A/SInventors: Peter Rahbek Oestergaard, Lene Nonboe Anderson, Aurelia Séon, Carlos Simönes-Nunes, Anna-Maria Klünter, Leonardo De Maria, Bjorn Eggert Christensen
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Publication number: 20120288490Abstract: The present invention relates to variant lysozymes. The present invention also relates to polynucleotides encoding the variant lysozymes and to nucleic acid constructs, vectors, and host cells comprising the polynucleotide.Type: ApplicationFiled: February 25, 2011Publication date: November 15, 2012Applicant: NOVOZYMES A/SInventor: Leonardo De Maria
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Publication number: 20120225468Abstract: The present invention relates to phytases having at least 76% identity to a phytase derived from Hafnia alvei and comprises at least one modification in the amino acid sequence thereof. These phytase variants have modified, preferably improved, properties, such as, reduced protease sensibility, preferably they exhibit improved properties in respect of thermal performance, such as heat-stability (temperature stability, thermostability), steam stability, pelleting stability and/or temperature profile; and/or protease stability, in particular pepsin stability, pH profile, specific activity, substrate specificity, performance in animal feed (such as an improved release and/or degradation of phytate), susceptibility to glycation, and/or glycosylation pattern. The invention also relates to DNA encoding these phytases, methods of their production, as well as the use thereof, e.g., in animal feed and animal feed additives.Type: ApplicationFiled: May 16, 2012Publication date: September 6, 2012Applicant: NOVOZYMES A/SInventors: Soeren Flensted Lassen, Leonardo De Maria, Esben Peter Friis, Tomoko Matsui, Allan Noergaard, Lars Kobberoee Skov, Jesper Vind
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Patent number: 8206962Abstract: The present invention relates to phytases having at least 76% identity to a phytase derived from Hafnia alvei and comprises at least one modification in the amino acid sequence thereof. These phytase variants have modified, preferably improved, properties, such as, reduced protease sensibility, preferably they exhibit improved properties in respect of thermal performance, such as heat-stability (temperature stability, thermostability), steam stability, pelleting stability and/or temperature profile; and/or protease stability, in particular pepsin stability, pH profile, specific activity, substrate specificity, performance in animal feed (such as an improved release and/or degradation of phytate), susceptibility to glycation, and/or glycosylation pattern. The invention also relates to DNA encoding these phytases, methods of their production, as well as the use thereof, e.g., in animal feed and animal feed additives.Type: GrantFiled: September 28, 2009Date of Patent: June 26, 2012Assignee: Novozymes A/SInventors: Soeren Flensted Lassen, Leonardo De Maria, Esben Peter Friis, Tomoko Matsui, Allan Noergaard, Lars Kobberoee Skov, Jesper Vind
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Publication number: 20120156328Abstract: The present invention relates to methods for preparing a cake using phospholipase variants and cake and cake mix compositions comprising same.Type: ApplicationFiled: June 8, 2010Publication date: June 21, 2012Applicant: PURATOS N.V.Inventors: Leonardo De Maria, Jesper Vind, Morten Tovborg Jensen, Ingrid Van Haesendonck, Goedele Van der Biest
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Publication number: 20120151632Abstract: The present invention relates to phospholipase variants, polynucleotides encoding the variant and to nucleic acid constructs, vectors, and host cells comprising the polynucleotides, and methods of using the variant enzymes.Type: ApplicationFiled: June 8, 2010Publication date: June 14, 2012Applicant: NOVOZYMES A/SInventors: Leonardo De Maria, Jesper Vind, Morten Tovborg Jensen
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Publication number: 20120100250Abstract: The present invention relates to carbohydrate oxidases. The present invention also relates to polynucleotides encoding the variant carbohydrate oxidases and to nucleic acid constructs, vectors, and host cells comprising the polynucleotides, and methods of using the variant enzymes, such as, in preparing dough and dough product compositions.Type: ApplicationFiled: July 9, 2010Publication date: April 26, 2012Applicant: NOVOZYMES A/SInventors: Lars Henrik Oestergaard, Leonardo De Maria
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Publication number: 20120090042Abstract: The present invention relates to polypeptides having phytase activity. These polypeptides have an amino acid sequence which has at least 70% identity to either of three phytases derived from the bacterium Buttiauxella, and which comprises at least one of the following amino acids at the position indicated: 119N, 120L, and/or 121E. These phytases have an improved specific activity. Additional specific amino acid substitutions are also disclosed which characterize and distinguish additional phytases of the invention having improved properties such as temperature and/or pH stability, pH activity profile, temperature activity profile, substrate profile, improved performance in animal feed in vitro or in vivo. The invention also relates to isolated polynucleotides encoding the polypeptides, nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods for producing and using the polypeptides.Type: ApplicationFiled: December 16, 2011Publication date: April 12, 2012Applicant: NOVOZYMES A/SInventors: Carsten Sjoeholm, Soeren Flensted Lassen, Lars Kobberoe Skov, Leonardo De Maria