Patents by Inventor Geert Johannes De Boer
Geert Johannes De Boer 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: 11920144Abstract: Provided herein is a lettuce plant that is resistant to downy mildew, more specifically a lettuce plant that has a mutated gene that confers broad spectrum resistance to oomycetes in lettuce. Also provided herein are a resistance gene and a method for obtaining a lettuce plant that is resistant to downy mildew, wherein the method includes the step of mutating a gene.Type: GrantFiled: August 16, 2018Date of Patent: March 5, 2024Assignee: Enza Zaden Beheer B.V.Inventors: Bas Ter Riet, Geert Johannes De Boer, Ilja Roobeek, Mathieu Andre Pel
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Patent number: 11299746Abstract: The present invention relates to Phytophthora capsici resistant Capsicum annuum plants wherein said resistance is conferred by a combination of two genes. The present invention further relates to the use of these genes for providing Phytophthora capsici resistant Capsicum annuum plants and proteins encoded by the present genes.Type: GrantFiled: July 6, 2020Date of Patent: April 12, 2022Assignee: Enza Zaden Beheer B.V.Inventors: Christianus Cornelis Nicolaas Van Schie, Karin Ingeborg Posthuma, Tieme Zeilmaker, Geert Johannes De Boer
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Publication number: 20220098611Abstract: The present invention relates to mutant petunia (Petunia spp.) plants including mutant dmr6.1 and dmr6.2 alleles. The mutant petunia plants are resistant to oomycete and fungal pathogens.Type: ApplicationFiled: December 14, 2021Publication date: March 31, 2022Applicant: Enza Zaden Beheer B.V.Inventors: Christianus Cornelis Nicolaas VAN SCHIE, Tieme ZEILMAKER, Geert Johannes DE BOER
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Publication number: 20210238626Abstract: Provided herein is a lettuce plant that is resistant to downy mildew, more specifically a lettuce plant that has a mutated gene that confers broad spectrum resistance to oomycetes in lettuce. Also provided herein are a resistance gene and a method for obtaining a lettuce plant that is resistant to downy mildew, wherein the method includes the step of mutating a gene.Type: ApplicationFiled: August 16, 2018Publication date: August 5, 2021Inventors: Bas Ter Riet, Geert Johannes De Boer, Ilja Roobeek, Mathieu Andre Pel
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Publication number: 20200332313Abstract: The present invention relates to Phytophthora capsici resistant Capsicum annuum plants wherein said resistance is conferred by a combination of two genes. The present invention further relates to the use of these genes for providing Phytophthora capsici resistant Capsicum annuum plants and proteins encoded by the present genes.Type: ApplicationFiled: July 6, 2020Publication date: October 22, 2020Applicant: Enza Zaden Beheer B.V.Inventors: Christianus Cornelis Nicolaas VAN SCHIE, Karin Ingeborg POSTHUMA, Tieme ZEILMAKER, Geert Johannes DE BOER
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Patent number: 10465201Abstract: Provided herein are Solanum lycopersicum plants with increased fruit yield and to seeds or fruits of the present Solanum lycopersicum plants. Also provided herein are methods for increasing the fruit yield of Solanum lycopersicum plants. Further provided are fruits and seeds of the present Solanum lycopersicum plants. Solanum lycopersicum plant with increased fruit yield including the SP3D and SP gene, or at least the promoter sequence thereof, of Solanum pennelli or another Solanum species such as Solanum neorickii, Solanum chmielewskii, Solanum chilense, Solanum parviflorum, Solanum pimpinellifolium, and Solanum peruvianum.Type: GrantFiled: March 13, 2015Date of Patent: November 5, 2019Assignee: Enza Zaden Beheer B.V.Inventors: Ilja Roobeek, Marieke Ykema, Martijn Petrus van Stee, Geert Johannes De Boer
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Publication number: 20190208730Abstract: Provided herein is a Cucumber plant (Cucumis sativus) which provides fruits having an improved shelf life, wherein said plant comprises a stay green gene providing the improved fruit shelf life, wherein said stay green gene encodes a protein comprising the amino acid sequence as shown in SEQ ID No. 2, or amino acid sequences with more than 90% identity, preferably more than 94% identity, more preferably more than 96% identity, even more preferably more than 98% identity; and wherein the expression of said stay green gene is reduced as compared to the expression of said stay green gene in a cucumber plant not providing fruits having an improved shelf life or the enzymatic activity of said protein is reduced as compared to the enzymatic activity of said protein in a cucumber plant not providing fruits having an improved shelf life.Type: ApplicationFiled: March 21, 2019Publication date: July 11, 2019Inventors: Geert Johannes De Boer, Mattheus Nicolaas Groot, Jeanine Danielle Louwerse, Wilhelmina Antonia Cornelia Anna Leijten
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Patent number: 10321652Abstract: Provided herein is a Cucumber plant (Cucumis sativus) which provides fruits having an improved shelf life, wherein said plant comprises a stay green gene providing the improved fruit shelf life, wherein said stay green gene encodes a protein comprising the amino acid sequence as shown in SEQ ID No. 2, or amino acid sequences with more than 90% identity, preferably more than 94% identity, more preferably more than 96% identity, even more preferably more than 98% identity; and wherein the expression of said stay green gene is reduced as compared to the expression of said stay green gene in a cucumber plant not providing fruits having an improved shelf life or the enzymatic activity of said protein is reduced as compared to the enzymatic activity of said protein in a cucumber plant not providing fruits having an improved shelf life.Type: GrantFiled: July 16, 2015Date of Patent: June 18, 2019Assignee: Enza Zaden Beheer B.V.Inventors: Geert Johannes De Boer, Mattheus Nicolaas Groot, Jeanine Danielle Louwerse, Wilhelmina Antonia Cornelia Anna Leijten
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Publication number: 20170314039Abstract: The present invention relates to a plant belonging to the Solanaceae family wherein said plant comprises a genetic trait providing Phytophthora resistance and wherein said resistance trait is encoded by a combination of at least two genes having a reduced expression, or transcription, of said genes or a reduced activity of proteins encoded by said genes as compared to said plant belonging to Solanaceae family being susceptible to Phytophthora. The present invention especially relates to plants belonging to the Solanaceae family selected from the group consisting of sweet pepper (Capsicum annuum), Capsicum spp., potato (Solanum tuberosum), petunia, tomato (Solanum lycopersicum), Nicotinia benthamiana, and tabacco (Nicotinia tabacum), and the present Phytophthora resistance is especially a resistance to a plant pathogen selected from the group consisting of Phytophthora spp., Phytophthora capsici, Phytophthora infestans, and Phytophthora nicotinae.Type: ApplicationFiled: June 18, 2015Publication date: November 2, 2017Applicant: Enza Zaden Beheer B.V.Inventors: Christianus Cornelis Nicolaas VAN SCHIE, Karin Ingeborg POSTHUMA, Tieme ZEILMAKER, Geert Johannes DE BOER
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Publication number: 20170215361Abstract: Provided herein is a Cucumber plant (Cucumis sativus) which provides fruits having an improved shelf life, wherein said plant comprises a stay green gene providing the improved fruit shelf life, wherein said stay green gene encodes a protein comprising the amino acid sequence as shown in SEQ ID No. 2, or amino acid sequences with more than 90% identity, preferably more than 94% identity, more preferably more than 96% identity, even more preferably more than 98% identity; and wherein the expression of said stay green gene is reduced as compared to the expression of said stay green gene in a cucumber plant not providing fruits having an improved shelf life or the enzymatic activity of said protein is reduced as compared to the enzymatic activity of said protein in a cucumber plant not providing fruits having an improved shelf life.Type: ApplicationFiled: July 16, 2015Publication date: August 3, 2017Inventors: Geert Johannes De Boer, Mattheus Nicolaas Groot, Jeanine Danielle Louwerse, Wilhelmina Antonia Cornelia Anna Leijten
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Publication number: 20170107529Abstract: Provided herein are Solanum lycopersicum plants with increased fruit yield and to seeds or fruits of the present Solanum lycopersicum plants. Also provided herein are methods for increasing the fruit yield of Solanum lycopersicum plants. Further provided are fruits and seeds of the present Solanum lycopersicum plants. Solanum lycopersicum plant with increased fruit yield including the SP3D and SP gene, or at least the promoter sequence thereof, of Solanum pennelli or another Solanum species such as Solanum neorickii, Solanum chmielewskii, Solanum chilense, Solanum parviflorum, Solanum pimpinellifolium, and Solanum peruvianum.Type: ApplicationFiled: March 13, 2015Publication date: April 20, 2017Inventors: Ilja Roobeek, Marieke Ykema, Martijn Petrus van Stee, Geert Johannes De Boer
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Publication number: 20160333370Abstract: Provided herein is a plant belonging to the Solanaceae family wherein said plant includes a genetic trait providing Phytophthora resistance and wherein said resistance trait is encoded by a combination of at least two genes having a reduced expression, or transcription, of said genes or a reduced activity of proteins encoded by said genes as compared to said plant belonging to Solanaceae family being susceptible to Phytophthora.Type: ApplicationFiled: January 14, 2014Publication date: November 17, 2016Inventors: Christianus Cornelis Nicolaas Van Schie, Karin Ingeborg Posthuma, Tieme Zeilmaker, Maria Theresia Kroon, Geert Johannes De Boer