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A R2R3-MYB gene, AtMYB30 , acts as a positive regulator of the hypersensitive cell death program in plants in response to pathogen attack
Open accessAbstract
Hypersensitive response (HR) is a programmed cell death that is commonly associated with disease resistance in plants. Among the different HR-related early induced genes, the AtMYB30 gene is specifically, rapidly, and transiently expressed during incompatible interactions between Arabidopsis and bacterial pathogens. Its expression was also shown to be deregulated in Arabidopsis mutants affected in the control of cell death initiation. Here, we demonstrate that overexpression in Arabidopsis and tobacco of AtMYB30 ( i ) accelerates and intensifies the appearance of the HR in response to different avirulent bacterial pathogens, ( ii ) causes HR-like responses to virulent strains, and ( iii ) increases resistance against different bacterial pathogens, and a virulent biotrophic fungal pathogen, Cercospora nicotianae . In antisense AtMYB30 Arabidopsis lines, HR cell death is strongly decreased or suppressed in response to avirulent bacterial strains, resistance against different bacterial pathogens decreased, and the expression of HR- and defense-related genes was altered. Taken together, these results strongly suggest that AtMYB30 is a positive regulator of hypersensitive cell death.
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Cited by
Yanhui, C., Xiaoyuan, Y., Kun, H., Meihua, L., Jigang, L., Zhaofeng, G., Zhiqiang, L., Yunfei, Z., Xiaoxiao, W., Xiaoming, Q., et al. (2006) · Plant Molecular Biology · doi:10.1007/s11103-005-2910-y · Cited by 992
Lin-Wang, K., Bolitho, K., Grafton, K., Kortstee, A., Karunairetnam, S., McGhie, T. K., Espley, R. V., Hellens, R. P., & Allan, A. C. (2010) · BMC Plant Biology · doi:10.1186/1471-2229-10-50 · Cited by 699
McGrath, K. C., Dombrecht, B., Manners, J. M., Schenk, P. M., Edgar, C. I., Maclean, D. J., Scheible, W.-R., Udvardi, M. K., & Kazan, K. (2005) · Plant Physiology · doi:10.1104/pp.105.068544 · Cited by 579
Mengiste, T., Chen, X., Salmeron, J., & Dietrich, R. (2003) · The Plant Cell · doi:10.1105/tpc.014167 · Cited by 553
Intervention of Phytohormone Pathways by Pathogen Effectors
Kazan, K., & Lyons, R. (2014) · The Plant Cell · doi:10.1105/tpc.114.125419 · Cited by 488
Metadata
- Authors
- Vailleau, F., Daniel, X., Tronchet, M., Montillet, J.-L., Triantaphylidès, C., & Roby, D.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2002-07-15
- Volume
- 99
- Issue
- 15
- Pages
- 10179-10184
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2160001142
- Cited by
- 301
- References
- 0
- FWCI
- 9.00
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: A R2R3-MYB gene, AtMYB30 , acts as a positive regulator of the hypersensitive cell death program in plants in response to pathogen attack. https://app.cochat.ai/papers/10.1073/pnas.152047199
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- Vailleau, F., Daniel, X., Tronchet, M., Montillet, J.-L., Triantaphylidès, C., & Roby, D. (2002). A R2R3-MYB gene, AtMYB30 , acts as a positive regulator of the hypersensitive cell death program in plants in response to pathogen attack. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.152047199
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