Method for constructing plant dwarfing and early flowering by using CRY1G380R

A technology of CRY1G380R and plants, applied in the field of agricultural science, can solve problems affecting the function of photolyase/CRY protein
CN102344486AInactive Publication Date: 2012-02-08SHANGHAI JIAO TONG UNIV
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI JIAO TONG UNIV
Publication Date
2012-02-08
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention belongs to the technical field of the agricultural science, and discloses a method for constructing plant dwarfing and early flowering by using CRY1G380R. According to the method, with site-directed mutagenesis of conservative sites of plant cryptochrome CRY1, the constitutive dwarf of the plant can be generated, ie., the light quality and the light intensity generate light influence on the plant dwarfing development; with the method, the plant can significantly and early flowers, and the early flowering phenotype does not depend on photoperiod conditions of plant growing.
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Description

technical field

[0001] The invention relates to a method in the field of agricultural science and technology, in particular to a mutant protein CRY1 utilizing plant cryptochrome G380R Methods of creating dwarf plants as well as early flowering. Background technique

[0002] Light plays an important role in regulating the growth and development of plants and the physiology of animals. In the solar spectrum, the blue light / A region ultraviolet light, red light, and far red light are the main bands that regulate plant growth and development. CRYPTOCHROME (CRY), also known as cryptochrome, is ubiquitous in blue light / A region ultraviolet light photoreceptor in animals and plants. The CRY proteins of animals and plants all have a conserved N-terminal domain, called the PHR domain ( Ph otolyase- R elated Region). These PHR domains have high homology with the ancient DNA photolyase (photolyase) family, belong to a protein superfamily (photolyase / CRY), and have very similar pro...

Claims

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