Patents Assigned to Devgen NV
  • Publication number: 20220170018
    Abstract: Disclosed are double stranded RNA molecules that are toxic to flea beetles, particularly the flea beetle species Psylliodes chrysocephala, Phyllotreta nemorum, Phyllotreta striolata, Phyllotreta armoraciae, Phyllotreta atra and Phyllotreta cruciferae. In particular, interfering RNA molecules capable of interfering with pest target genes and that are toxic to the target pest are provided. Further, methods of making and using the interfering RNA, for example in transgenic plants or as the active ingredient in a composition, to confer protection from insect damage are disclosed.
    Type: Application
    Filed: March 13, 2021
    Publication date: June 2, 2022
    Applicant: DEVGEN NV
    Inventors: Lien DE SCHRIJVER, Kaat CAPPELLE, Lies DEGRAVE, Myriam BEGHYN, Yann NAUDET
  • Patent number: 11286476
    Abstract: Methods of substantially retaining or otherwise preserving the biological activity of a dsRNA, present in a cell, to post-transcriptionally silence the expression of a gene in a target organism, comprising the step of adding to the cell composition a compound having the function of a protein—or amine—cross linking agent and/or an acid, and compositions comprising the cells comprising dsRNA, and protein cross linking agents and/or acids, as well as the use of the cross linking agents and/or acids in the method.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: March 29, 2022
    Assignees: SYNGENTA PARTICIPATIONS AG, Devgen NV
    Inventors: Pascale Feldmann, Jeffrey David Fowler, Nema Devi Jhurry, Isabelle Maillet, Marta Omedes Pujol
  • Publication number: 20220049256
    Abstract: Disclosed are double stranded RNA (dsRNA) molecules that are toxic to insect pests. In particular, interfering RNA molecules capable of modulating expression of a pest insect target gene and that are toxic to the insect pest are provided. Further, methods of making and using the interfering RNA, for example as the active ingredient in an insecticidal composition or in a transgenic plant, to confer protection from insect damage are disclosed.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 17, 2022
    Applicant: DEVGEN NV
    Inventors: Yann NAUDET, Myriam BEGHYN, Lien DE SCHRIJVER, Isabelle MAILLET, Annelies PHILIPS
  • Patent number: 11198868
    Abstract: Disclosed are double stranded RNA (dsRNA) molecules that are toxic to insect pests. In particular, interfering RNA molecules capable of modulating expression of a pest insect target gene and that are toxic to the insect pest are provided. Further, methods of making and using the interfering RNA, for example as the active ingredient in an insecticidal composition or in a transgenic plant, to confer protection from insect damage are disclosed.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: December 14, 2021
    Assignee: DEVGEN NV
    Inventors: Yann Naudet, Myriam Beghyn, Lien De Schrijver, Isabelle Maillet, Annelies Philips
  • Publication number: 20210254093
    Abstract: The present invention relates to the prevention and/or control of infestation by insect pest species. In particular, the invention relates to down-regulation of expression of target genes in insect pests using interfering ribonucleic acid (RNA) molecules. Also described are transgenic plants that (i) express or are capable of expressing interfering RNAs of the invention and (ii) are resistant to infestation by insect pest species. Compositions containing the interfering RNAs of the invention are also provided.
    Type: Application
    Filed: March 8, 2021
    Publication date: August 19, 2021
    Applicant: DEVGEN NV
    Inventors: Thierry BOGAERT, Romaan RAEMAEKERS, Yann NAUDET
  • Publication number: 20210123069
    Abstract: Disclosed are double stranded RNA molecules that are toxic to flea beetles, particularly the flea beetle species Psylliodes chrysocephala, Phyllotreta nemorum, Phyllotreta striolata, Phyllotreta armoraciae, and Phyllotreta cruciferae. In particular, interfering RNA molecules capable of interfering with pest target genes and that are toxic to the target pest are provided. Further, methods of making and using the interfering RNA, for example in transgenic plants or as the active ingredient in a composition, to confer protection from insect damage are disclosed.
    Type: Application
    Filed: April 17, 2019
    Publication date: April 29, 2021
    Applicant: DEVGEN NV
    Inventors: Lien DE SCHRIJVER, Kaat CAPPELLE, Lies DEGRAVE, Yann NAUDET, Steffy DENORME
  • Patent number: 10941415
    Abstract: The present invention relates to the prevention and/or control of infestation by insect pest species. In particular, the invention relates to down-regulation of expression of target genes in insect pests using interfering ribonucleic acid (RNA) molecules. Also described are transgenic plants that (i) express or are capable of expressing interfering RNAs of the invention and (ii) are resistant to infestation by insect pest species. Compositions containing the interfering RNAs of the invention are also provided.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: March 9, 2021
    Assignee: DEVGEN NV
    Inventors: Thierry Bogaert, Romaan Raemaekers, Yann Naudet
  • Publication number: 20200407719
    Abstract: Disclosed are double stranded RNA molecules that are toxic to pollen beetles, particularly the pollen beetle Meligethes aeneus. In particular, interfering RNA molecules capable of interfering with pest target genes and that are toxic to the target pest are provided. Further, methods of making and using the interfering RNA, for example in transgenic plants or as the active ingredient in a composition, to confer protection from insect damage are disclosed.
    Type: Application
    Filed: February 13, 2019
    Publication date: December 31, 2020
    Applicant: Devgen NV
    Inventors: Yann NAUDET, Lien DESCHRIJVER, Kaat CAPPELLE, Steffy Donorme
  • Publication number: 20200239891
    Abstract: Disclosed are double stranded RNA (dsRNA) molecules that are toxic to insect pests. In particular, interfering RNA molecules capable of modulating expression of a pest insect target gene and that are toxic to the insect pest are provided. Further, methods of making and using the interfering RNA, for example as the active ingredient in an insecticidal composition or in a transgenic plant, to confer protection from insect damage are disclosed.
    Type: Application
    Filed: November 6, 2018
    Publication date: July 30, 2020
    Applicant: DEVGEN NV
    Inventors: Yann Naudet, Myriam Beghyn, Lien De Schrijver, Isabelle Maillet, Annelies Philips
  • Publication number: 20200181611
    Abstract: The present invention provides an RNA comprising in the 5? to 3? direction a first sequence and a second sequence, the first sequence being spaced apart from the second sequence by a spacer sequence, the first and second sequences being substantially complementary and forming a duplex via Watson and Crick base pairing, the second sequence being able to hybridise with the mRNA of a target gene in an organism, the RNA being substantially in the form of a hairpin, the second sequence being fully complementary to the said mRNA along the region at which it hybridises, the first sequence comprising nucleotide bases which do not Watson and Crick base pair with the corresponding bases in the second sequence of the duplex wherein the duplex does not comprise regions of 3 or more consecutive mismatched bases or an RNA comprising in the 5? to 3? direction a first sequence and a second sequence, the first sequence being spaced apart from the second sequence by a spacer sequence, the first and second sequences being subst
    Type: Application
    Filed: October 19, 2016
    Publication date: June 11, 2020
    Applicant: Devgen NV
    Inventors: Wendy MADDELEIN, Isabelle MAILLET
  • Publication number: 20200140884
    Abstract: The present invention relates to the prevention and/or control of infestation by insect pest species. In particular, the invention relates to down-regulation of expression of target genes in insect pests using interfering ribonucleic acid (RNA) molecules. Also described are transgenic plants that (i) express or are capable of expressing interfering RNAs of the invention and (ii) are resistant to infestation by insect pest species. Compositions containing the interfering RNAs of the invention are also provided.
    Type: Application
    Filed: January 21, 2020
    Publication date: May 7, 2020
    Applicant: DEVGEN NV
    Inventors: Thierry Bogaert, Romaan Raemaekers, Yann Naudet
  • Publication number: 20200045977
    Abstract: The present invention provides a method of substantially retaining or otherwise preserving the biological activity of a dsRNA, present in a cell, to post-transcriptionally silence the expression of a gene in a target organism, comprising the step of adding to the cell composition a compound having the function of a protein—or amine—cross linking agent and/or an acid. The invention also comprises compositions comprising the cells comprising dsRNA, and protein cross linking agents and/or acids, as well as the use of said cross linking agents and/or acids in the method.
    Type: Application
    Filed: September 28, 2017
    Publication date: February 13, 2020
    Applicants: SYNGENTA PARTICIPATIONS AG, Devgen NV
    Inventors: Pascale FELDMANN, Jeffrey David FOWLER, Nema Devi JHURRY, Isabelle MAILLET, Marta OMEDES PUJOL
  • Publication number: 20190256851
    Abstract: The present invention relates to genetic control of infestation by insect pest species, particularly prevention and/or control of pest infestation of plants, using interfering ribonucleic acid (RNA) molecules. Compositions and combinations containing the interfering RNA molecules of the invention for use in topical applications, for example in the form of insecticides.
    Type: Application
    Filed: May 7, 2019
    Publication date: August 22, 2019
    Applicant: DEVGEN NV
    Inventors: Myriam Beghyn, Thierry Andre Olivier Eddy Bogaert, Pascale Feldmann, Romaan Raemaekers
  • Publication number: 20190127756
    Abstract: The present invention concerns concatemer and/or stabilized RNA constructs capable of forming dsRNA, optionally comprising a sequence capable of protecting the dsRNA against RNA processing in a host cell. The invention also relates to methods of producing these constructs and to methods for using these constructs. The constructs according to the present invention are particularly useful in plant pest control.
    Type: Application
    Filed: January 17, 2018
    Publication date: May 2, 2019
    Applicant: DEVGEN NV
    Inventors: Marc Van De Craen, Geert Karel Maria Plaetinck, Isabel Vercauteren, Marc Georges Logghe, Thierry Andre Olivier Eddy Bogaert, Richard Zwaal
  • Publication number: 20180289015
    Abstract: The present invention provides a method of substantially retaining or otherwise preserving the biological activity of a dsRNA, present in a cell lysate, to post-transcriptionally silence the expression of a gene in a target organism, comprising the step of adding to the lysate a compound having the function of a protein- or amine-cross linking agent. The invention also comprises compositions comprising the lysate comprising dsRNA, and protein cross linking agents, as well as the use of said agents in the method.
    Type: Application
    Filed: September 27, 2016
    Publication date: October 11, 2018
    Applicants: SYNGENTA CROP PROTECTION LLC, DEVGEN NV
    Inventors: Pascale Feldmann, Jeffrey David Fowler, Wendy Maddelein, Nina Cromheecke, Isabelle Maillet
  • Publication number: 20180148737
    Abstract: The present invention relates to the prevention and/or control of infestation by insect pest species. In particular, the invention relates to down-regulation of expression of target genes in insect pests using interfering ribonucleic acid (RNA) molecules. Also described are transgenic plants that (i) express or are capable of expressing interfering RNAs of the invention and (ii) are resistant to infestation by insect pest species. Compositions containing the interfering RNAs of the invention are also provided.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 31, 2018
    Applicant: DEVGEN NV
    Inventors: Thierry Bogaert, Romaan Raemaekers, Yann Naudet
  • Patent number: 9982258
    Abstract: The present invention relates to methods for controlling pest infestation using double stranded RNA molecules. The invention provides methods for producing transgenic cells expressing the double stranded RNA molecules, as well as compositions and commodity products containing or treated with such molecules.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: May 29, 2018
    Assignee: Devgen NV
    Inventors: Romaan Raemaekers, Pascale Feldmann, Geert Plaetinck, Irene Nooren, Frederic Pecqueur, Laurent Kubler, Nicole Damme, Lies Degrave, Isabel Remory, Thierry Bogaert
  • Publication number: 20180142237
    Abstract: The present invention relates to methods for controlling pest infestation using double stranded RNA molecules. The invention provides methods for producing transgenic cells expressing the double stranded RNA molecules, as well as compositions and commodity products containing or treated with such molecules.
    Type: Application
    Filed: September 12, 2014
    Publication date: May 24, 2018
    Applicant: DEVGEN NV
    Inventors: Romaan RAEMAEKERS, Pascale FELDMANN, Geert PLAETINCK, Irene NOOREN, Els VAN BLEU, Frederic PECQUEUR, Laurent KUBLER, Nicole DAMME, Lies DEGRAVE, Isabel REMORY, Thierry BOGAERT
  • Patent number: 9957523
    Abstract: The present invention relates to methods for controlling pest infestation using double stranded RNA molecules. The invention provides methods for making transgenic plants that express the double stranded RNA molecules, as well as pesticidal agents and commodity products produced by the inventive plants.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: May 1, 2018
    Assignee: Devgen NV
    Inventors: Romaan Raemaekers, Pascale Feldmann, Irene Nooren, Geert Plaetinck, Frederic Pecqueur, Els Van Bleu, Thierry Bogaert
  • Patent number: 9944948
    Abstract: The present invention relates to the prevention and/or control of infestation by insect pest species. In particular, the invention relates to down-regulation of expression of target genes in insect pests using interfering ribonucleic acid (RNA) molecules. Also described are transgenic plants that (i) express or are capable of expressing interfering RNAs of the invention and (ii) are resistant to infestation by insect pest species. Compositions containing the interfering RNAs of the invention are also provided.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: April 17, 2018
    Assignee: Devgen NV
    Inventors: Thierry Bogaert, Romaan Raemaekers, Yann Naudet