A gene regulating rice seed setting rate and its application

A technology of seed setting rate and coding genes, which is applied to genes regulating rice seed setting rate and its application fields, and can solve problems such as cloning and research without breakthroughs
CN103421801BActive Publication Date: 2016-05-25CAS CENT FOR EXCELLENCE IN MOLECULAR PLANT SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CAS CENT FOR EXCELLENCE IN MOLECULAR PLANT SCI
Publication Date
2016-05-25

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Abstract

The invention relates to a gene regulating and controlling rice seed setting rate and applications. Concretely, after selection of defective mutants of a lots of rice seeds, Remorin protein with specificity to plants and the coding gene OsREM6.6 of the Remorin protein participate in regulation and control of the seed setting rate, which is discovered firstly. Though regulation and control of the expression of the protein and the gene, rice with different seed setting rates can be obtained. The expression of the protein and the gene has tissue specificity: the protein and the gene are always expressed in companion cells of phloems, and the Remorin protein is specific to and steadily located on cell membranes.
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Description

technical field

[0001] The invention belongs to the field of biotechnology and breeding, in particular, the invention relates to a gene for regulating the seed setting rate of rice and its application. Background technique

[0002] The food problem is a worldwide problem. With the rapid increase of population and the decrease of available arable land, it has become an important strategic measure for all countries to increase food production as soon as possible. Rice (Oryza sativa) is the main food variety and economic crop for Asian populations, and the improvement of rice yield is of great significance to solve the food problem. How to increase the yield of food to a greater extent has become an important topic of plant science research. The rapid acquisition of high-quality, high-yield and high-resistance new rice materials by using biotechnology for excellent genes has also attracted much attention.

[0003] Rice yield is mainly determined by three factors: grain weight...

Claims

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