In plants, impairing transgenerational resetting of juvenility leads to premature flowering in the offspring. This robust reset process is mediated by de novo activation of MIR156/7-family genes at different developmental stages through distinct reprogramming routes.
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References
Wang, J. W. et al. miR156-regulated SPL transcription factors define an endogenous flowering pathway in Arabidopsis thaliana. Cell 138, 738–749 (2009). This paper reports the regulatory function of miR156-mediated age pathway in flowering.
Wu, G. et al. The sequential action of miR156 and miR172 regulates developmental timing in. Arabidopsis. Cell 138, 750–759 (2009). This paper reports the critical role of miR156 in the juvenile-to-adult transition.
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Cheng, Y. J. et al. Cell division in the shoot apical meristem is a trigger for miR156 decline and vegetative phase transition in Arabidopsis. Proc. Natl Acad. Sci. USA 118, e2115667118 (2021). This paper reports cell division as a trigger for miR156 decline and vegetative phase transition.
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This is a summary of: Gao, J. et al. A robust mechanism for resetting juvenility during each generation in Arabidopsis. Nat. Plants https://doi.org/10.1038/s41477-022-01110-4 (2022)
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Transgenerational reset of juvenility in plants. Nat. Plants 8, 202–203 (2022). https://doi.org/10.1038/s41477-022-01119-9
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DOI: https://doi.org/10.1038/s41477-022-01119-9
