Abstract
Generation of the root greatly benefits higher plants living on land. Continuous root growth and development are achieved by the root apical meristem, which acts as a reservoir of stem cells. The stem cells, on the one hand, constantly renew themselves through cell division. On the other hand, they differentiate into functional cells to form diverse tissues of the root. The balance between the maintenance and consumption of the root apical meristem is governed by cell-to-cell communications. Receptor-like protein kinases (RLKs), a group of signaling molecules localized on the cell surface, have been implicated in sensing multiple endogenous and environmental signals for plant development and stress adaptation. Over the past two decades, various RLKs and their ligands have been revealed to participate in regulating root meristem homeostasis. In this review, we focus on the recent studies about RLK-mediated signaling in regulating the maintenance and consumption of the root apical meristem.
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This work was supported by National Natural Science Foundation of China (31770312 and 31970339), and Fundamental Research Funds for the Central Universities (lzujbky-2019-ct04 and lzujbky-2020-kb05).
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Zhu, Y., Hu, C. & Gou, X. Receptor-like protein kinase-mediated signaling in controlling root meristem homeostasis. aBIOTECH 1, 157–168 (2020). https://doi.org/10.1007/s42994-020-00024-z
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DOI: https://doi.org/10.1007/s42994-020-00024-z