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1. US20160115499 - Materials and methods for controlling bundle sheath cell fate and function in plants

Office
United States of America
Application Number 14898046
Application Date 11.06.2014
Publication Number 20160115499
Publication Date 28.04.2016
Grant Number 10865420
Grant Date 15.12.2020
Publication Kind B2
IPC
C12N 15/82
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
79Vectors or expression systems specially adapted for eukaryotic hosts
82for plant cells
CPC
C12N 15/8261
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
79Vectors or expression systems specially adapted for eukaryotic hosts
82for plant cells ; , e.g. plant artificial chromosomes (PACs)
8241Phenotypically and genetically modified plants via recombinant DNA technology
8261with agronomic (input) traits, e.g. crop yield
C12N 15/8225
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
79Vectors or expression systems specially adapted for eukaryotic hosts
82for plant cells ; , e.g. plant artificial chromosomes (PACs)
8216Methods for controlling, regulating or enhancing expression of transgenes in plant cells
8222Developmentally regulated expression systems, tissue, organ specific, temporal or spatial regulation
8223Vegetative tissue-specific promoters
8225Leaf-specific, e.g. including petioles, stomata
C12N 15/8269
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
79Vectors or expression systems specially adapted for eukaryotic hosts
82for plant cells ; , e.g. plant artificial chromosomes (PACs)
8241Phenotypically and genetically modified plants via recombinant DNA technology
8261with agronomic (input) traits, e.g. crop yield
8262involving plant development
8269Photosynthesis
Applicants FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
Inventors Hongchang Cui
Danyu Kong
Yueling Hao
Agents Saliwanchik, Lloyd & Eisenschenk
Title
(EN) Materials and methods for controlling bundle sheath cell fate and function in plants
Abstract
(EN)

The subject invention concerns materials and methods for increasing and/or improving photosynthetic efficiency in plants, and in particular, C3 plants. In particular, the subject invention provides for means to increase the number of bundle sheath (BS) cells in plants, to improve the efficiency of photosynthesis in BS cells, and to increase channels between BS and mesophyll (M) cells. In one embodiment, a method of the invention concerns altering the expression level or pattern of one or more of SHR, SCR, and/or SCL23 in a plant. The subject invention also pertains to genetically modified plants, and in particular, C3 plants, that exhibit increased expression of one or more of SHR, SCR, and/or SCL23. Transformed and transgenic plants are contemplated within the scope of the invention. The subject invention also concerns methods for increasing expression of photosynthetically important genes in a plant, wherein one or more genes of interest are operably linked with a plant SHR, SCR or SCL23 promoter sequence and expressed in a plant.


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