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The MADS29 Transcription Factor Regulates the Degradation of the Nucellus and the Nucellar Projection during Rice Seed Development
Open accessAbstract
The MADS box transcription factors are critical regulators of rice (Oryza sativa) reproductive development. Here, we here report the functional characterization of a rice MADS box family member, MADS29, which is preferentially expressed in the nucellus and the nucellar projection. Suppressed expression of MADS29 resulted in abnormal seed development; the seeds were shrunken, displayed a low grain-filling rate and suppressed starch biosynthesis, and contained abnormal starch granules. Detailed analysis indicated that the abnormal seed development is due to defective programmed cell death (PCD) of the nucellus and nucellar projection, which was confirmed by a TUNEL assay and transcriptome analysis. Further studies showed that expression of MADS29 is induced by auxin and MADS29 protein binds directly to the putative promoter regions of genes that encode a Cys protease and nucleotide binding site-Leu-rich repeat proteins, thereby stimulating the PCD. This study identifies MADS29 as a key regulator of early rice seed development by regulating the PCD of maternal tissues. It provides informative clues to elucidate the regulatory mechanism of maternal tissue degradation after fertilization and to facilitate the studies of endosperm development and seed filling.
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Citations
Cites
NLRs at the intersection of cell death and immunity
Ting, J. P.-Y., Willingham, S. B., & Bergstralh, D. T. (2008) · Nature Reviews Immunology · doi:10.1038/nri2296 · Cited by 371 · cited 3×
“transduction elements involved in the hypersensitive response (a pathway leading to PCD; Innes and DeYoung, 2006; Ting et al., 2008).”
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Cited by
Yang, W., Guo, Z., Huang, C., Duan, L., Chen, G., Jiang, N., Fang, W., Feng, H., Xie, W., Lian, X., et al. (2014) · Nature Communications · doi:10.1038/ncomms6087 · Cited by 598
Molecular regulation of seed and fruit set
Ruan, Y.-L., Patrick, J. W., Bouzayen, M., Osorio, S., & Fernie, A. R. (2012) · Trends in Plant Science · doi:10.1016/j.tplants.2012.06.005 · Cited by 438
Starch biosynthesis in cereal endosperms: An updated review over the last decade
Huang, L., Tan, H., Zhang, C., Li, Q., & Liu, Q. (2021) · Plant Communications · doi:10.1016/j.xplc.2021.100237 · Cited by 328
Metadata
- Authors
- Yin, L.-L., & Xue, H.-W.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2012-03
- Volume
- 24
- Issue
- 3
- Pages
- 1049-1065
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2158979923
- Cited by
- 189
- References
- 1
- FWCI
- 9.74
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: The MADS29 Transcription Factor Regulates the Degradation of the Nucellus and the Nucellar Projection during Rice Seed Development. https://app.cochat.ai/papers/10.1105/tpc.111.094854
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- Yin, L.-L., & Xue, H.-W. (2012). The MADS29 Transcription Factor Regulates the Degradation of the Nucellus and the Nucellar Projection during Rice Seed Development. The Plant Cell. https://doi.org/10.1105/tpc.111.094854
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