Science and Technology Daily News (Reporter Wu Changfeng) A reporter learned from the University of Science and Technology of China on August 16 that Professor Zhao Zhong’s research group at the school first defined the endogenous adversity signal that regulates the fate of stem cells, and revealed that endogenous adversity signals regulate plant stem cells The new mechanism of destiny
Most plant organs divide and differentiate from stem cells located in the apical meristems of the stem and root apical meristems of the root tips after embryos
Through transcriptome sequencing of plant stem cell-enriched mutants, the researchers established a high-resolution gene expression profile of the plant stem apical meristem and predicted 3017 genes specifically expressed in plant stem cells and their microenvironment
This study shows that when plants are subjected to external stress, AGL22, as the central transcription factor for plants to respond to stress in the early stage, on the one hand, can initiate the plant's response to stress, on the other hand, it can block plant stem cell differentiation and delay flowering, thereby regulating The plastic development of plants under adversity conditions balances the development and resistance process of plants
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