Patents by Inventor Jeng Shong Chen
Jeng Shong Chen 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: 11746129Abstract: Compositions and methods for controlling plant pests are disclosed. In particular, novel engineered hybrid insecticidal proteins having toxicity to at least European corn borer are provided. By fusing unique combinations of complete or partial variable regions and conserved blocks of at least two different Bacillus thuringiensis (Bt) Cry proteins or a modified Cry proteins a hybrid insecticidal protein having activity against at least European corn borer is designed. Nucleic acid molecules encoding the novel hybrid proteins are also provided. Methods of making the hybrid proteins and methods of using the hybrid proteins and nucleic acids encoding the hybrid proteins of the invention, for example in transgenic plants to confer protection from insect damage are also disclosed.Type: GrantFiled: February 3, 2021Date of Patent: September 5, 2023Assignee: Syngenta Participations AGInventors: Hope Hart, Jeng Shong Chen, Cheryl M. DeFontes
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Patent number: 11384125Abstract: This invention provides polypeptides that were identified as interacting with Vip3 toxin. This invention also provides a method of identifying agents that bind to Vip3 interacting polypeptides, which agents may act as insecticidal agent, cytotoxic agents and/or modulate the activity of Vip3 interacting polypeptides.Type: GrantFiled: October 9, 2020Date of Patent: July 12, 2022Assignee: Syngenta Participations AGInventors: Milan Jucovic, Renshui Liu, Richard Sessler, Guo-Qing Tang, Jeng Shong Chen
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Publication number: 20210161114Abstract: Artificially selected strains of insects from the genus Spodoptera exhibiting resistance to a Bacillus thuringiensis derived Vip3A protein are described. Methods for various uses of these strains are also described.Type: ApplicationFiled: February 11, 2021Publication date: June 3, 2021Applicant: SYNGENTA PARTICIPATIONS AGInventors: Julio Fatoretto, Zhimou Wen, Phillip Matthews, Jeng Shong Chen
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Publication number: 20210155661Abstract: Compositions and methods for controlling plant pests are disclosed. In particular, novel engineered hybrid insecticidal proteins having toxicity to at least European corn borer are provided. By fusing unique combinations of complete or partial variable regions and conserved blocks of at least two different Bacillus thuringiensis (Bt) Cry proteins or a modified Cry proteins a hybrid insecticidal protein having activity against at least European corn borer is designed. Nucleic acid molecules encoding the novel hybrid proteins are also provided. Methods of making the hybrid proteins and methods of using the hybrid proteins and nucleic acids encoding the hybrid proteins of the invention, for example in transgenic plants to confer protection from insect damage are also disclosed.Type: ApplicationFiled: February 3, 2021Publication date: May 27, 2021Applicant: Syngenta Participations AGInventors: Hope HART, Jeng Shong CHEN, Cheryl M. DEFONTES
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Patent number: 10934330Abstract: Compositions and methods for controlling pests are disclosed. In particular, methods for modulating the activity of Cry1Ba proteins against lepidopteran or coleopteran pests are provided. Further, mutant Cry1Ba proteins having modulated insecticidal activity compared to native Cry1Ba proteins are disclosed.Type: GrantFiled: December 4, 2018Date of Patent: March 2, 2021Assignee: Syngenta Participations AGInventors: Yan Gao, Jared Conville, Jeng Shong Chen
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Publication number: 20210024592Abstract: This invention provides polypeptides that were identified as interacting with Vip3 toxin. This invention also provides a method of identifying agents that bind to Vip3 interacting polypeptides, which agents may act as insecticidal agent, cytotoxic agents and/or modulate the activity of Vip3 interacting polypeptides.Type: ApplicationFiled: October 9, 2020Publication date: January 28, 2021Applicant: Syngenta Crop Protection AGInventors: Milan JUCOVIC, Renshui LIU, Richard SESSLER, Guo-Qing TANG, Jeng Shong CHEN
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Patent number: 10836801Abstract: This invention provides polypeptides that were identified as interacting with Vip3 toxin. This invention also provides a method of identifying agents that bind to Vip3 interacting polypeptides, which agents may act as insecticidal agent, cytotoxic agents and/or modulate the activity of Vip3 interacting polypeptides.Type: GrantFiled: August 10, 2018Date of Patent: November 17, 2020Assignee: Syngenta Crop Protection AGInventors: Milan Jucovic, Renshui Liu, Richard Sessler, Guo-Qing Tang, Jeng Shong Chen
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Patent number: 10604757Abstract: Disclosed are double stranded RNA molecules that are toxic to coleopteran insects. In particular, interfering RNA molecules that capable of interfering with pest histone 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 to confer protection from insect damage are disclosed.Type: GrantFiled: November 17, 2015Date of Patent: March 31, 2020Assignee: Syngenta Participations AGInventors: Kevin V. Donohue, Renshui Liu, Jeng Shong Chen
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Publication number: 20190359994Abstract: Disclosed are double stranded RNA molecules that are toxic to coleopteran insects. In particular, dsRNA molecules that capable of interfering with pest IAP 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 to confer protection from insect damage are disclosed.Type: ApplicationFiled: August 13, 2019Publication date: November 28, 2019Applicant: SYNGENTA PARTICIPATIONS AGInventors: Kevin Donohue, Renshui Liu, Jeng Shong Chen
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Publication number: 20190194644Abstract: Compositions and methods for controlling pests are disclosed. In particular, methods for modulating the activity of Cry1Ba proteins against lepidopteran or coleopteran pests are provided. Further, mutant Cry1Ba proteins having modulated insecticidal activity compared to native Cry1Ba proteins are disclosed.Type: ApplicationFiled: December 4, 2018Publication date: June 27, 2019Applicant: Syngenta Participations AGInventors: Yan GAO, Jared CONVILLE, Jeng Shong CHEN
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Publication number: 20190112343Abstract: Compositions and methods for controlling plant pests are disclosed. In particular, novel engineered hybrid insecticidal proteins having toxicity to at least European corn borer are provided. By fusing unique combinations of complete or partial variable regions and conserved blocks of at least two different Bacillus thuringiensis (Bt) Cry proteins or a modified Cry proteins a hybrid insecticidal protein having activity against at least European corn borer is designed. Nucleic acid molecules encoding the novel hybrid proteins are also provided. Methods of making the hybrid proteins and methods of using the hybrid proteins and nucleic acids encoding the hybrid proteins of the invention, for example in transgenic plants to confer protection from insect damage are also disclosed.Type: ApplicationFiled: December 7, 2018Publication date: April 18, 2019Applicant: Syngenta Participations AGInventors: Hope Hart, Jeng Shong Chen, Cheryl M. Defontes
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Patent number: 10239921Abstract: Compositions and methods for controlling plant pests are disclosed. In particular, novel engineered hybrid insecticidal proteins (eHIPs) having toxicity to at least corn rootworm are provided. By fusing unique combinations of complete or partial variable regions and conserved blocks of at least two different Bacillus thuringiensis (Bt) Cry proteins or a modified Cry proteins an eHIP having activity against corn rootworm is designed. Nucleic acid molecules encoding the novel eHIPs are also provided. Methods of making the eHIPs and methods of using the eHIPs and nucleic acids encoding the eHIPs of the invention, for example in transgenic plants to confer protection from insect damage are also disclosed.Type: GrantFiled: May 6, 2016Date of Patent: March 26, 2019Assignee: Syngenta Participations AGInventors: Hope Hart, Jeng Shong Chen, Cheryl M. Defontes, Frederick Walters
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Patent number: 10196633Abstract: Compositions and methods for controlling pests are disclosed. In particular, methods for modulating the activity of Cry1Ba proteins against lepidopteran or coleopteran pests are provided. Further, mutant Cry1Ba proteins having modulated insecticidal activity compared to native Cry1Ba proteins are disclosed.Type: GrantFiled: December 9, 2015Date of Patent: February 5, 2019Assignee: Syngenta Participations AGInventors: Yan Gao, Jared Conville, Jeng Shong Chen
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Patent number: 10167323Abstract: Improved compositions and methods for controlling pests are disclosed. In particular, nucleic acid molecules encoding novel engineered Cry1Ba (eCry1Ba) proteins having improved toxicity to lepidopteran insect pests are provided. By substituting at least one amino acid in domain I of a Cry1Ba protein an engineered Cry1Ba protein having substantially altered insecticidal properties is designed. Further, methods of making and using the ecry1Ba nucleic acid sequences, for example in transgenic plants to express eCry1B proteins to confer protection from insect damage are disclosed.Type: GrantFiled: December 9, 2015Date of Patent: January 1, 2019Assignee: Syngenta Participations AGInventors: Yan Gao, Jared Conville, Jeng Shong Chen
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Publication number: 20180346528Abstract: This invention provides polypeptides that were identified as interacting with Vip3 toxin. This invention also provides a method of identifying agents that bind to Vip3 interacting polypeptides, which agents may act as insecticidal agent, cytotoxic agents and/or modulate the activity of Vip3 interacting polypeptides.Type: ApplicationFiled: August 10, 2018Publication date: December 6, 2018Applicant: Syngenta Participations AGInventors: Milan JUCOVIC, Renshui LIU, Richard SESSLER, Guo-Qing TANG, Jeng Shong CHEN
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Publication number: 20180291397Abstract: Engineered pesticidal polypeptides that are highly active against a wide range of pests and methods of making such polypeptides are disclosed. The nucleotide sequences encoding the pesticidal polypeptide can be used to transform various prokaryotic and eukaryotic organisms, which organisms can be used to produce the pesticidal polypeptides. The recombinant organisms and/or the polypeptides produced by the recombinant organisms can be used to control pests in various environments.Type: ApplicationFiled: June 15, 2018Publication date: October 11, 2018Applicant: Syngenta Participations AGInventors: Mikyong LEE, Jeng Shong CHEN, Jared CONVILLE, Narendra PALEKAR, Cheryl Marie DEFONTES
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Publication number: 20180249690Abstract: Artificially selected strains of insects from the genus Spodoptera exhibiting resistance to a Bacillus thuringiensis derived Vip3A protein are described. Methods for various uses of these strains are also described.Type: ApplicationFiled: May 12, 2016Publication date: September 6, 2018Applicant: SYNGENTA PARTICIPATIONS AGInventors: Julio Fatoretto, Zhimou Wen, Phillip Matthews, Jeng Shong Chen
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Publication number: 20180216105Abstract: Disclosed are double stranded RNA molecules that are toxic to coleopteran insects. In particular, interfering RNA molecules that capable of interfering with pest histone 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 to confer protection from insect damage are disclosed.Type: ApplicationFiled: November 17, 2015Publication date: August 2, 2018Applicant: SYNGENTA PARTICIPATIONS AGInventors: Kevin V. Donohue, Renshui Liu, Jeng Shong Chen
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Patent number: 10023876Abstract: Engineered pesticidal polypeptides that are highly active against a wide range of pests and methods of making such polypeptides are disclosed. The nucleotide sequences encoding the pesticidal polypeptide can be used to transform various prokaryotic and eukaryotic organisms, which organisms can be used to produce the pesticidal polypeptides. The recombinant organisms and/or the polypeptides produced by the recombinant organisms can be used to control pests in various environments.Type: GrantFiled: January 23, 2013Date of Patent: July 17, 2018Inventors: Mikyong Lee, Jeng Shong Chen, Cheryl Marie De Fontes, Jared Conville, Narendra Palekar
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Patent number: 9861105Abstract: Transgenic plants expressing a Vip3 protein have been found to be efficacious against plant-infesting nematodes. Disclosed are methods of controlling nematode populations using transgenic plants expressing Vip3 protein.Type: GrantFiled: July 11, 2012Date of Patent: January 9, 2018Assignee: Syngenta Participations AGInventors: Xiang Huang, Jeng Shong Chen