Rice mitogen-activated protein kinase and its coded gene and use

A technology for activating protein kinases and mitogens, applied in the field of mitogen-activated protein kinases and their coding genes and applications, can solve the problems of limiting rice yield potential, unbalanced expression of caryopsis endosperm genes, and low filling
CN1821395AInactive Publication Date: 2006-08-23BEIJING NORMAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
BEIJING NORMAL UNIVERSITY
Publication Date
2006-08-23
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The present invention discloses a kind of rice mitogen-activated protein kinase and its coding gene and application in breeding very high yield rice variety. The kinase protein with one of the following amino acid residue sequence: 1) SEQ ID No. 1 in the sequence list; and 2. the amino acid residue sequence of SEQ ID No. 1 through substitution, deletion or addition of 1-10 amino acid residues and coding rice grain growth related protein. By means of transgenic technology, the present invention improves the effect of OsMAPK6 on grain shape construction to regulate the activity of grain in accumulating matter and reach the aim of increasing rice yield.
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Description

technical field

[0001] The invention relates to a mitogen-activated protein kinase and its coding gene and application, in particular to a rice mitogen-activated protein kinase and its coding gene and its application in cultivating super-high-yielding rice varieties. Background technique

[0002] Mitogen-activated protein kinase (MAPK) is an important serine / threonine signaling family widely present in plants. Plant MAPK and some other signaling molecules constitute the MAPK cascade pathway (MAPK cascade), which participates in various physiological activities from cytoplasmic movement to plant growth and development and resistance to adversity stress. When plants are subjected to certain stresses, such as ultraviolet radiation, osmotic stress, cold stress, and trauma, or stimulated by cytokines and hormones, plant MAPKs will be activated by different upstream signals that are activated by various internal and external stimuli. Molecular activation, through the phosphorylat...

Claims

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