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The Sequential Action of miR156 and miR172 Regulates Developmental Timing in Arabidopsis
Open accessAbstract
SUMMARY The transition from the juvenile to the adult phase of shoot development in plants is accompanied by changes in vegetative morphology and an increase in reproductive potential. Here we describe the regulatory mechanism of this transition. We show that miR156 is necessary and sufficient for the expression of the juvenile phase, and regulates the timing of the juvenile-to-adult transition by coordinating the expression of several pathways that control different aspects of this process. miR156 acts by repressing the expression of functionally distinct SPL transcription factors. miR172 acts downstream of miR156 to promote adult epidermal identity. miR156 regulates the expression of miR172 via SPL9 which, redundantly with SPL10, directly promotes the transcription of miR172b. Thus, like the larval-to-adult transition in Caenorhabditis elegans, the juvenile-to-adult transition in Arabidopsis is mediated by sequentially operating miRNAs. miR156 and miR172 are positively regulated by the transcription factors they target, suggesting that negative feedback loops contribute to the stability of the juvenile and adult phases.
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The C. elegans heterochronic gene lin-4 encodes small RNAs with antisense complementarity to lin-14
Lee, R. C., Feinbaum, R. L., & Ambros, V. (1993) · Cell · doi:10.1016/0092-8674(93)90529-y · Cited by 12,948
Specific effects of microRNAs on the plant transcriptome
Schwab, R., Palatnik, J. F., Riester, M., Schommer, C., Schmid, M., & Weigel, D. (2005) · Developmental Cell · doi:10.1016/j.devcel.2005.01.018 · Cited by 1,467
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Cited by
Regulation of OsSPL14 by OsmiR156 defines ideal plant architecture in rice
Jiao, Y., Wang, Y., Xue, D., Wang, J., Yan, M., Liu, G., Dong, G., Zeng, D., Lu, Z., Zhu, X., et al. (2010) · Nature Genetics · doi:10.1038/ng.591 · Cited by 1,528
Self-citationOsSPL14 promotes panicle branching and higher grain productivity in rice
Miura, K., Ikeda, M., Matsubara, A., Song, X.-J., Ito, M., Asano, K., Matsuoka, M., Kitano, H., & Ashikari, M. (2010) · Nature Genetics · doi:10.1038/ng.592 · Cited by 1,104
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Amasino, R. (2010) · The Plant Journal · doi:10.1111/j.1365-313x.2010.04148.x · Cited by 894
Adventitious Roots and Lateral Roots: Similarities and Differences
Bellini, C., Pacurar, D. I., & Perrone, I. (2014) · Annual Review of Plant Biology · doi:10.1146/annurev-arplant-050213-035645 · Cited by 624
The multifaceted roles of FLOWERING LOCUS T in plant development
PIN, P. A., & NILSSON, O. (2012) · Plant, Cell & Environment · doi:10.1111/j.1365-3040.2012.02558.x · Cited by 384
Metadata
- Authors
- Wu, G., Park, M. Y., Conway, S. R., Wang, J.-W., Weigel, D., & Poethig, R. S.
- Venue
- Cell
- Publisher
- Elsevier BV
- Published
- 2009-08
- Volume
- 138
- Issue
- 4
- Pages
- 750-759
- ISSN
- 0092-8674 (ISSN-L)
- OpenAlex
- W2167681032
- Cited by
- 1,678
- References
- 2
- FWCI
- 71.03
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Wu, G., Park, M. Y., Conway, S. R., Wang, J.-W., Weigel, D., & Poethig, R. S. (2009). The Sequential Action of miR156 and miR172 Regulates Developmental Timing in Arabidopsis. Cell. https://doi.org/10.1016/j.cell.2009.06.031
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