The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Dual Role of TOC1 in the Control of Circadian and Photomorphogenic Responses in Arabidopsis[W]
Open accessAbstract
To examine the role of the TOC1 (TIMING OF CAB EXPRESSION1) gene in the Arabidopsis circadian system, we generated a series of transgenic plants expressing a gradation in TOC1 levels. Silencing of the TOC1 gene causes arrhythmia in constant darkness and in various intensities of red light, whereas in blue light, the clock runs faster in silenced plants than in wild-type plants. Increments in TOC1 gene dosage delayed the pace of the clock, whereas TOC1 overexpression abolished rhythmicity in all light conditions tested. Our results show that TOC1 RNA interference and toc1-2 mutant plants displayed an important reduction in sensitivity to red and far-red light in the control of hypocotyl elongation, whereas increments in TOC1 gene dosage clearly enhanced light sensitivity. Furthermore, the red light–mediated induction of CCA1/LHY expression was decreased in TOC1 RNA interference and toc1-2 mutant plants, indicating a role for TOC1 in the phytochrome regulation of circadian gene expression. We conclude that TOC1 is an important component of the circadian clock in Arabidopsis with a crucial function in the integration of light signals to control circadian and morphogenic responses.
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Cites
Molecular Bases for Circadian Clocks
Dunlap, J. C. (1999) · Cell · doi:10.1016/s0092-8674(00)80566-8 · Cited by 2,900
Interacting molecular loops in the mammalian circadian clock
Shearman, L. P., Sriram, S., Weaver, D. R., Maywood, E. S., Chaves, I., Zheng, B., Kume, K., Lee, C. C., van der, G. T. J., Horst, et al. (2000) · Science · doi:10.1126/science.288.5468.1013 · Cited by 1,367
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Edgar, R. S., Green, E. W., Zhao, Y., van Ooijen, G., Olmedo, M., Qin, X., Xu, Y., Pan, M., Valekunja, U. K., Feeney, K. A., et al. (2012) · Nature · doi:10.1038/nature11088 · Cited by 914
A Functional Genomics Approach Reveals CHE as a Component of the Arabidopsis Circadian Clock
Pruneda-Paz, J. L., Breton, G., Para, A., & Kay, S. A. (2009) · Science · doi:10.1126/science.1167206 · Cited by 462
Self-citationThe clock gene circuit in Arabidopsis includes a repressilator with additional feedback loops
Pokhilko, A., Fernández, A. P., Edwards, K. D., Southern, M. M., Halliday, K. J., & Millar, A. J. (2012) · Molecular Systems Biology · doi:10.1038/msb.2012.6 · Cited by 409
Borland, A. M., Griffiths, H., Hartwell, J., & Smith, J. A. C. (2009) · Journal of Experimental Botany · doi:10.1093/jxb/erp118 · Cited by 371
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Metadata
- Authors
- Más, P., Alabadí, D., Yanovsky, M. J., Oyama, T., & Kay, S. A.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2003-01-01
- Volume
- 15
- Issue
- 1
- Pages
- 223-236
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2159868152
- Cited by
- 268
- References
- 2
- FWCI
- 27.15
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Más, P., Alabadí, D., Yanovsky, M. J., Oyama, T., & Kay, S. A. (2003). Dual Role of TOC1 in the Control of Circadian and Photomorphogenic Responses in Arabidopsis[W]. The Plant Cell. https://doi.org/10.1105/tpc.006734
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