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| Research reveals that crop phosphorus-iron nutrients antagonize signal transduction mechanism |
Recently, the soil-plant interaction innovation team of the Institute of Agricultural Resources and Agricultural Regional Planning of the Chinese Academy of Agricultural Sciences revealed the signal transduction mechanism of crop phosphorus-iron nutrient antagonism, providing an important theory for crop genetic improvement for the synergistic and efficient use of phosphorus and iron nutrients in yellow-red soil farmland Basis
.
Related study, published in "Molecular Plant" ( Molecular Plant ) on
( Molecular Plant ) Molecular Plant
According to researcher Yi Keke, the high-quality and high-yield crops are inseparable from a balanced intake of mineral nutrients
.
However, there are huge differences in the mineral nutrient content of different cultivated land around the world, and most of the cultivated land has serious nutrient imbalance
The research team found that phosphorus nutrient signaling central regulators (PHRs) and iron nutrient signaling core regulators (HRZs) jointly mediate the interaction process of phosphorus-iron signaling
.
PHRs and HRZs regulate their respective protein and transcription levels through mutual inhibition, thereby regulating the expression of downstream phosphorus starvation response genes and iron starvation response genes, so as to respond to different changes in the supply of phosphorus and iron nutrients in the soil to ensure the growth of crops
Further studies have found that the PHRs-HRZs constitute molecular regulatory modules also exist in the model plant Arabidopsis thaliana, and it is speculated that this mutual inhibitory molecular module may be ubiquitous in plants
.
This research provides a new idea for solving the problem of phosphorus-iron nutrient imbalance in yellow-red soil arable land in China by means of molecular breeding
The research was funded by the National Natural Science Gene Project and the Young Talents Project of the Chinese Academy of Agricultural Sciences
.
(Source: China Science News Li Chen Jin Yunxiang)
Related paper information: https://doi.
https://doi.
org/10.
1016/j.
molp.
2021.
09.
011 https://doi.
org/10.
1016/j.
molp.
2021.
09.
011
