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| Research reveals a new mechanism of wheat grain development |
The mechanism of wheat auxin signal factor function module to regulate grain shape and grain weight.
Image courtesy of the Chinese Academy of Agricultural Sciences
Photo courtesy of the Chinese Academy of Agricultural Sciences.
The mechanism of function module of wheat auxin signal factor to regulate grain shape and weight.
Recently, the bioinformatics and application innovation team of the Institute of Crop Science of the Chinese Academy of Agricultural Sciences found that in wheat, the auxin pathway inhibitor TaIAA21 interacts with the auxin response factor to regulate the expression of downstream ethylene response factor genes, thereby affecting wheat The molecular mechanism of grain shape and grain weight
.
Research results, published online in the "Journal of Plant" ( at The Plant Journal on)
The Plant Journal
According to researcher Li Aili, grain length, grain width and grain weight are important factors affecting crop yields
.
Auxin signal plays an important role in grain development
Li Aili introduced that grain length, grain width and grain weight are important factors affecting crop yields
In addition, the investigation of natural variation in wheat germplasm resources in China showed that the large-grain haplotype of this gene appears more frequently in cultivated varieties than in local varieties.
Therefore, it can be inferred that wheat breeding has a tendency to select this type of haplotype
.
The above research has important reference significance for high-yield breeding of wheat
This work was funded by the National Natural Science Foundation of China and the Science and Technology Innovation Project of the Chinese Academy of Agricultural Sciences
.
(Source: China Science News Li Chenweifei)
Related paper information: https://doi.
https://doi.
org/10.
1111/tpj.
15541
