SEED SOWER
Welcome to the weekly edition of Seed Sower, which shares a list of pending patents published the previous week by the U.S. Patent and Trademark Office. These patent applications cover seed-bearing plants and non-transgenic plant breeding methods only.
The USDA Seed Liaison helps those who work with seeds to navigate a complex system by increasing transparency about intellectual property related to seeds, among other things. Learn more about the Seed Liaison initiative.
TRANSGENIC PLANT WITH REDUCED HEAVY METALS AND METHODS FOR PREPARATION THEREOF
HEXAPLOID-OCTOPLOID PERENNIAL RYEGRASS, HEXAPLOID-OCTOPLOID RYEGRASS AMERICAN RYEGRASS, AND HYBRIDS THEREOF
SEXUAL KENTUCKY BLUEGRASS CULTIVARS AND BREEDING STRATEGIES
ALBUGO-CANDIDA-RESISTANT BRASSICA OLERACEA PLANTS
TISSUE CULTURED CANNABIS PLANTLET AND METHODS FOR PREPARING SAME
MARKER-ASSISTED BREEDING IN CANNABIS PLANTS
TOBACCO PLANT RESISTANT TO SPOTTED WILT DISEASE WITHOUT LINKAGE DRAG AND METHOD FOR BREEDING THE SAME
LETTUCE PLANT RESISTANT TO DOWNY MILDEW AND RESISTANCE GENE
LETTUCE VARIETY WARBLER
CLEMATIS PLANT NAMED 'EVIPO117'
This list includes the titles of all U.S. patent applications published on February 15, 2024 with the following Cooperative Plant Classification:
A01H: New plants or {non-transgenic} processes for obtaining them; plant reproduction by tissue culture techniques | 6: Angiosperms, i.e. Flowering plants, characterised by their botanic taxonomy
Patents can have more than one classification. There may be other classifications of interest to plant breeders. View all classifications for A01H.
To assist the reader in understanding each patent application, each title below is followed by the application's abstract and its independent claims. The abstract is a short summary of the invention that allows the reader to understand the gist of disclosed invention. Independent (standalone) claims define the scope of the patent protection being sought. Independent claims may also be followed by one or more dependent claims, which are not listed here in the interest of brevity. To see the application’s complete list of claims:
- Click the patent title to open the application in Patent Center.
- Click “Download PDF.”
- Find the numbered list of claims, usually located at the end of the document.
Some applications are excluded from Pre-Grant Publication. Those applications include: applications recognized by the Office as no longer pending; applications that are national security classified (see 37 CFR 5.2(c)), subject to a secrecy order under 35 U.S.C. 181, or under national security review; applications that have been issued as a patent in sufficient time to be removed from the publication process; and applications filed with a nonpublication request in compliance with 37 CFR 1.213(a). See MPEP § 1122-1124.
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TRANSGENIC PLANT WITH REDUCED HEAVY METALS AND METHODS FOR PREPARATION THEREOF
Applicants: KT&G CORPORATION
Abstract: Provided are: a plant cell, in which expression or activity of a phytochelatin synthase (PCS) gene or a protein encoded by the PCS gene is reduced as compared with a parent cell; a plant having that has reduced heavy metal absorption, and includes the plant cell; a method of reducing heavy metals in a plant, the method including reducing expression or activity of a PCS gene or a protein encoded by the PCS gene, as compared with a parent cell; a CRISPR-Cas9 recombinant vector including a single guide RNA targeting a PCS gene; and a method of preparing a plant with reduced heavy metals, the method including transforming a plant cell with the recombinant vector.
Independent Claims:
1. A plant cell in which expression or activity of a phytochelatin synthase (PCS) gene or a protein encoded by the PCS gene is reduced, as compared with a parent cell.
6. A method of reducing heavy metals in a plant, the method comprising reducing expression or activity of a PCS gene or a protein encoded by the PCS gene, as compared with a parent cell of the plant.
9. A CRISPR-Cas9 recombinant vector comprising a single guide RNA targeting a PCS gene.
HEXAPLOID-OCTOPLOID PERENNIAL RYEGRASS, HEXAPLOID-OCTOPLOID RYEGRASS AMERICAN RYEGRASS, AND HYBRIDS THEREOF
Applicants: NEXGEN Plant Science Center, LLC
Abstract: A method of developing hexaploid (2n=6x=42) and octoploid (2n=8x=56) turf-type perennial ryegrass (Lolium perenne L.) and Festulolium [(American Ryegrass), x Festulolium loliaceum (Huds.) P. Fourn. (Festuca pratensis Huds. x Lolium perenne)], and their hybrids with Tall Fescue (Festuca arundinacea Schreb.) including germplasm, cultivars and seed used to produce the grass are provided. These grasses are useful as an improved turfgrass on golf courses, athletic fields and other areas using seeded turfgrasses. The grasses will provide a green improved winter performance and drought tolerance.
Independent Claims:
1. A seed of a hexaploid perennial ryegrass.
4. A seed of an octoploid perennial ryegrass.
7. A seed of a hexaploid American ryegrass.
10. A seed of an octoploid American ryegrass.
SEXUAL KENTUCKY BLUEGRASS CULTIVARS AND BREEDING STRATEGIES
Inventors: Kenneth Hignight; Debra Hignight; Joseph K. Wipff
Abstract: A method for producing 100% sexual cultivars of a grass plant developed from facultative apomictic germplasm. Sexual cultivars of Kentucky bluegrass include those of breeder's codes: AKB020, AKB413, AKB419, AKB484, AKB357, and AKB397. Additionally, disclosed is a method for producing hybrid apomictic plants from hybridization of a completely sexual parent with a facultative or apomictic parent, including those of breeder's codes AKB1661, AKB1658, AKB3605, AKB2839, AKB2949, AKB3128, AKB3179, AKB3201, AKB3216, AKB3241.
Independent Claims:
1. A seed of a sexual Kentucky bluegrass capable of 100% sexual reproduction.
4. A method of producing seed capable of 100% sexual reproduction from seed of plants with facultative sexual or apomictic reproduction, comprising: growing plants with facultative sexual or apomictic reproduction; selecting plants with phenotypes of interest; harvesting the selected plants individually; growing the selected plants individually alongside clones of a maternal parent of the selected plants; and determining the percentage of sexual reproduction.
11. A method for producing hybrid seed comprising: crossing a maternal completely sexual plant with a paternal facultative or apomictic cultivar to create a first hybrid generation; growing the first hybrid generation; selecting phenotypes of interest from plant of the first hybrid generation; harvest selected phenotype plants individually; and grow individually the selected phenotype plants along side a clone of a maternal parent of the select phenotype plant to create a second hybrid generation.
ALBUGO-CANDIDA-RESISTANT BRASSICA OLERACEA PLANTS
Applicants: Bejo Zaden B.V.
Abstract: Provided herein are Brassica oleracea plants being resistant to the plant pathogen Albugo candida and wherein the resistance is encoded by one genomic region on chromosome. Also provided herein are methods for identifying the present Albugo candida resistance and to molecular markers for use in the present methods.
Independent Claims:
1. A Brassica oleracea plant wherein the plant resistant to the plant pathogen Albugo candida , and wherein the resistance is encoded by one genomic region located on chromosome 2 between base pairs 5373001 and 6058829 of the Brassica oleracea reference genome JZS v2.
8. A method for identifying a genomically encoded resistance against the plant pathogen Albugo candida as found in Brassica oleracea plant deposited under deposit number NCIMB 43452, the method comprises the step of detecting one or more genomic sequences selected from the group consisting of SEQ ID Nos. 1, SEQ ID No. 3, SEQ. ID. No. 5, SEQ ID No 7, SEQ ID No 9, SEQ ID No 11, SEQ ID No. 13, SEQ ID No. 15, SEQ ID No. 17, SEQ ID No. 19, SEO ID No. 21, SEQ ID No. 23, SEQ ID No. 25, SEQ ID No. 27, SEQ ID No. 29, SEQ ID No 31, SEQ ID No. 33, SEQ ID No. 35, SEQ ID No. 37, SEQ ID No. 39, SEQ ID.No. 41, and SEQ ID No. 43.
11. A molecular marker selected from the group consisting of SEQ ID Nos. 1, SEQ ID No. 3, SEQ ID No. 5, SEO ID No. 7, SEQ ID No. 9, SEQ ID No. 11, SEQ ID No. 13, SEQ ID No. 15, SEQ ID No. 17, SEQ ID No. 19, SEQ ID No. 21, SEQ ID No. 23, SEQ ID No. 25, SEQ ID No. 27, SEQ ID No. 29, SEQ ID No. 31, SEQ ID No. 33, SEQ ID No. 35, SEQ ID No. 37, SEQ ID No. 39, SEQ ID No. 41, and SEO ID No. 43.
TISSUE CULTURED CANNABIS PLANTLET AND METHODS FOR PREPARING SAME
Applicants: CANNADORF LTD.; YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM LTD.
Abstract: The present invention is directed to a tissue cultured Cannabis plantlet, including methods for producing, and using same.
Independent Claims:
1. A tissue cultured Cannabis plantlet comprising an inflorescence (IF), and characterized by any one of: a. comprising leaves having a cuticle being at least 5% less thick compared to a cuticle of leaves of a control mother plant; b. being devoid of a root or a rooting system; and c. a combination of (a) and (b).
MARKER-ASSISTED BREEDING IN CANNABIS PLANTS
Applicants: Central Coast Agriculture, Inc.
Abstract: The present invention relates to methods of breeding in Cannabis plants having a Value Phenotype.
Independent Claims:
1. A method of plant breeding to develop an Autoflower Value Phenotype, comprising a. providing a first parent plant, having a phenotype defined as a Value Phenotype, wherein the Value Phenotype comprises at least one trait of interest; b. providing a second parent plant, having an autoflower phenotype; c. crossing the first and second parent plants; d. recovering progeny from the crossing step; e. screening the progeny for presence of at least one autoflower allele using a marker having at least 51% correlation with presence of the autoflower allele; f. selecting autoflower carrier progeny, wherein cells of said autoflower carrier progeny comprise at least one autoflower allele; g. conducting further breeding steps using autoflower carrier progeny crossed with plants having the Value Phenotype; and h. repeating steps e, f, and g until at least one plant having an Autoflower Value Phenotype is obtained.
3. A method of plant breeding to develop a plant with an Autoflower Value Phenotype, comprising a. providing a first parent plant, having a phenotype defined as a Value Phenotype, wherein the Value Phenotype comprises at least one trait of interest; b. providing a second parent plant, having an autoflower phenotype; c. crossing the first and second parent plants; d. recovering progeny from the crossing step; e. identifying one or more loci for which the first and second parent plants are polymorphic such that, for each such polymorphic locus, there exists a first-parent allele and a different second-parent allele; f. screening individuals of the progeny for presence of (1) at least one autoflower allele (2a) presence of one or more first-parent alleles; and/or (2b) absence one or more second-parent alleles, wherein plants meeting criteria (1) and (2) are designed as desirable progeny; g. selecting the desirable progeny; h. conducting further breeding steps using the desirable progeny in one or more of subsequent crosses selected from any of (i) a self-cross of a desirable progeny individual; (ii) a cross between different desirable progeny individuals; (iii) a cross between a desirable progeny individual and the first parent plant; and/or (iv) a cross between a desirable progeny individual and a plant having the Value Phenotype that is not the first parent plant; and i. repeating steps f, g, and h until at least one plant having an Autoflower Value Phenotype is obtained.
5. A method of plant breeding to develop an Autoflower Value Phenotype, comprising a. providing a first parent plant having a phenotype defined as a Value Phenotype, wherein the Value Phenotype comprises at least one trait of interest; b. providing a second parent plant, having an autoflower phenotype; c. crossing the first and second parent plants; d. recovering progeny from the crossing step; e. screening the progeny phenotypically for presence of at least one autoflower-associated marker and the Value Phenotype; f. selecting autoflower carrier progeny with the Value Phenotype, wherein cells of said autoflower carrier progeny comprise at least one autoflower-associated marker; g. conducting further breeding steps using autoflower carrier progeny selfed, sib-mated, or crossed with plants having the Value Phenotype; and h. repeating steps e, f, and g until at least one plant having an Autoflower Value Phenotype is obtained.
TOBACCO PLANT RESISTANT TO SPOTTED WILT DISEASE WITHOUT LINKAGE DRAG AND METHOD FOR BREEDING THE SAME
Applicants: Yunnan Academy of Tobacco Agricultural Sciences
Abstract: The invention relates to the field of tobacco breeding, particularly to a tobacco plant resistant to TSWD without linkage drag and a method for breeding the same. Provided is a tobacco plant or germplasm resistant to TSWD, which comprises a short RTSW introgressed segment, wherein at least part or entire of the sequence set forth in SEQ ID No. 34 is deleted in the short RTSW introgressed segment as compared to the RTSW introgressed segment of tobacco ‘Polata’. Also provided is a method for screening said tobacco plant or germplasm, in which a tobacco plant or germplasm resistant to TSWD carrying a short RTSW introgressed segment is obtained by detecting NaChr4_2M, NaChr4_8M, NaChr3_62.6M and NaChr3_64.6M linkage drag locus markers. Compared with ‘Polalta’, the tobacco plant or germplasm provided by the invention not only has TSWD resistance, but also reduces or removes linkage drag.
Independent Claims:
1. A tobacco plant or germplasm resistant to TSWD, which comprises a short RTSW introgressed segment, wherein at least part or entire of the sequence set forth in SEQ ID No. 34 is deleted in the short RTSW introgressed segment as compared to the RTSW introgressed segment of tobacco ‘Polata’.
8. A method for screening a tobacco plant or germplasm resistant to TSWD with reduced linkage drag, the method comprising: (a) screening tobacco plants or germplasms resistant to TSWD and isolating their nucleic acids; (b) detecting a first linkage drag locus marker and/or a second linkage drag locus marker in the isolated nucleic acids; the first linkage drag locus marker comprises NaChr4_2 M marker set forth in SEQ ID No. 10 and/or NaChr4_8M marker set forth in SEQ ID No. 11; the second linkage drag locus marker comprises NaChr3_62.6M marker set forth in SEQ ID No. 7 and/or NaChr3_64.6M marker set forth in SEQ ID No. 8; (c) selecting a tobacco plant or germplasm resistant to TSWD that does not comprise the first linkage drag locus marker and/or the second linkage drag locus marker.
13. A method for breeding a tobacco plant or germplasm resistant to TSWD with reduced linkage drag, the method comprising: (a) crossing a first tobacco plant or germplasm thereof with a second tobacco plant or germplasm thereof to produce a progeny tobacco plant or germplasm thereof, wherein the first tobacco plant or germplasm thereof comprises a TSWD resistance marker and does not comprise a first linkage drag locus marker and/or a second linkage drag locus marker; the TSWD resistance marker comprises NaChr3_59M marker set forth in SEQ ID No. 5; the first linkage drag locus marker comprises NaChr4_2M marker set forth in SEQ ID No. 10 and/or NaChr4_8M marker set forth in SEQ ID No. 11; the second linkage drag locus marker comprises NaChr3_62.6M marker set forth in SEQ ID No. 7 and/or NaChr3_64.6M marker set forth in SEQ ID No. 8; (b) isolating nucleic acids from the progeny tobacco plant or germplasm thereof; (c) detecting the TSWD resistance marker, the first linkage drag locus marker, and the second linkage drag locus marker in the isolated nucleic acids, thereby producing a progeny tobacco plant or germplasm that comprises the TSWD resistance marker and does not comprise the first linkage drag locus marker and/or the second linkage drag locus marker.
LETTUCE PLANT RESISTANT TO DOWNY MILDEW AND RESISTANCE GENE
Applicants: Enza Zaden Beheer B.V.
Abstract: The present invention relates to a lettuce plant that is resistant to downy mildew, more specifically to a lettuce plant that comprises a mutated gene that confers broad spectrum resistance to oomycetes in lettuce, more specifically B. lactucae. Furthermore, the present invention relates to a resistance gene and a method for obtaining a lettuce plant that is resistant to downy mildew, wherein the method comprises the step of mutating a gene.
Independent Claims:
1. A downy mildew resistant lettuce plant, wherein said lettuce plant comprises a SE17 resistance gene encoding a protein comprising a resistance domain 1 represented by amino acid sequence of SEQ ID No. 2 and resistance domain 2 with represented by the amino acid sequence of SEQ ID No. 6, wherein downy mildew resistance is provided by one or more mutations in resistance domain 1 and/or resistance domain 2 and wherein said lettuce plant is resistant to Bremia lactucae races B1:12 to B1:36.
LETTUCE VARIETY WARBLER
Applicants: Syngenta Crop Protection AG
Abstract: The present invention provides novel lettuce cultivar Warbler and plant parts, seed, and tissue culture therefrom. The invention also provides methods for producing a lettuce plant by crossing the lettuce plants of the invention with themselves or another lettuce plant. The invention also provides lettuce plants produced from such a crossing as well as plant parts, seed, and tissue culture therefrom.
Independent Claims:
1. A seed of lettuce cultivar Warbler, a representative sample of seed having been deposited under NCMA Accession No. 202206022.
2. A plant of lettuce cultivar Warbler, a representative sample of seed having been deposited under NCMA Accession No. 202206022.
CLEMATIS PLANT NAMED 'EVIPO117'
Inventors: Mogens Nyegaard Olesen; Raymond J. Evison
Abstract: A new Clematis plant with a compact growth habit, profuse, violet blue flowers, and continuous summer flowering. The variety successfully propagates from softwood cuttings and is suitable for cultivation in commercial nursery culture. This new and distinct variety has shown to be uniform and stable in the resulting generations from asexual propagation from vegetative cuttings.
Independent Claims:
1: A new and distinct variety of Clematis plant named ‘Evipo117’, substantially as described and illustrated herein.
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