The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Type B Response Regulators of Arabidopsis Play Key Roles in Cytokinin Signaling and Plant Development
Open accessAbstract
The type B Arabidopsis Response Regulators (ARRs) of Arabidopsis thaliana are transcription factors that act as positive regulators in the two-component cytokinin signaling pathway. We employed a mutant-based approach to perform a detailed characterization of the roles of ARR1, ARR10, and ARR12 in plant growth and development. The most pronounced phenotype was found in the arr1-3 arr10-5 arr12-1 triple loss-of-function mutant, which showed almost complete insensitivity to high levels of exogenously applied cytokinins. The triple mutant exhibited reduced stature due to decreased cell division in the shoot, enhanced seed size, increased sensitivity to light, altered chlorophyll and anthocyanin concentrations, and an aborted primary root with protoxylem but no metaxylem. Microarray analysis revealed that expression of the majority of cytokinin-regulated genes requires the function of ARR1, ARR10, and ARR12. Characterization of double mutants revealed differing contributions of the type B ARRs to mutant phenotypes. Our results support a model in which cytokinin regulates a wide array of downstream responses through the action of a multistep phosphorelay that culminates in transcriptional regulation by ARR1, ARR10, and ARR12.
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Cites
Analysis of Relative Gene Expression Data Using Real-Time Quantitative PCR and the 2−ΔΔCT Method
Livak, K. J., & Schmittgen, T. D. (2001) · Methods · doi:10.1006/meth.2001.1262 · Cited by 180,860
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Cytokinin signaling in plant development
Kieber, J. J., & Schaller, G. E. (2018) · Development · doi:10.1242/dev.149344 · Cited by 758
Self-citationChoi, J., Huh, S. U., Kojima, M., Sakakibara, H., Paek, K.-H., & Hwang, I. (2010) · Developmental Cell · doi:10.1016/j.devcel.2010.07.011 · Cited by 473
Jeon, J., Kim, N. Y., Kim, S., Kang, N. Y., Novák, O., Ku, S.-J., Cho, C., Lee, D. J., Lee, E.-J., Strnad, M., et al. (2010) · Journal of Biological Chemistry · doi:10.1074/jbc.m109.096644 · Cited by 379
MutMap accelerates breeding of a salt-tolerant rice cultivar
Takagi, H., Tamiru, M., Abe, A., Yoshida, K., Uemura, A., Yaegashi, H., Obara, T., Oikawa, K., Utsushi, H., Kanzaki, E., et al. (2015) · Nature Biotechnology · doi:10.1038/nbt.3188 · Cited by 364
Stem cell function during plant vascular development
Miyashima, S., Sebastian, J., Lee, J., & Helariutta, Y. (2013) · The EMBO Journal · doi:10.1038/emboj.2012.301 · Cited by 295
Metadata
- Authors
- Argyros, R. D., Mathews, D. E., Chiang, Y.-H., Palmer, C. M., Thibault, D. M., Etheridge, N., Argyros, D. A., Mason, M. G., Kieber, J. J., & Schaller, G. E.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2008-08-01
- Volume
- 20
- Issue
- 8
- Pages
- 2102-2116
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2162505470
- Cited by
- 497
- References
- 1
- FWCI
- 18.13
- Type
- journal article
- Language
- en
- Open access
- green
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- Argyros, R. D., Mathews, D. E., Chiang, Y.-H., Palmer, C. M., Thibault, D. M., Etheridge, N., Argyros, D. A., Mason, M. G., Kieber, J. J., & Schaller, G. E. (2008). Type B Response Regulators of Arabidopsis Play Key Roles in Cytokinin Signaling and Plant Development. The Plant Cell. https://doi.org/10.1105/tpc.108.059584
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