A molecular framework for light and gibberellin control of cell elongation

Chen, M., Chory, J. & Fankhauser, C. Light signal transduction in higher plants. Annu. Rev. Genet. 38, 87–117 (2004)

Alabadi, D., Gil, J., Blazquez, M. A. & Garcia-Martinez, J. L. Gibberellins repress photomorphogenesis in darkness. Plant Physiol. 134, 1050–1057 (2004)

Huq, E. & Quail, P. H. PIF4, a phytochrome-interacting bHLH factor, functions as a negative regulator of phytochrome B signaling in Arabidopsis . EMBO J. 21, 2441–2450 (2002)

Quail, P. H. Photosensory perception and signalling in plant cells: new paradigms? Curr. Opin. Cell Biol. 14, 180–188 (2002)

Sun, T. P. & Gubler, F. Molecular mechanism of gibberellin signaling in plants. Annu. Rev. Plant Biol. 55, 197–223 (2004)

Neff, M. M., Fankhauser, C. & Chory, J. Light: an indicator of time and place. Genes Dev. 14, 257–271 (2000)

Nagy, F. & Schafer, E. Control of nuclear import and phytochromes. Curr. Opin. Plant Biol. 3, 450–454 (2000)

Huq, E., Al-Sady, B. & Quail, P. H. Nuclear translocation of the photoreceptor phytochrome B is necessary for its biological function in seedling photomorphogenesis. Plant J. 35, 660–664 (2003)

Achard, P. et al. DELLAs contribute to plant photomorphogenesis. Plant Physiol. 143, 1163–1172 (2007)

Silverstone, A. L. et al. Repressing a repressor: gibberellin-induced rapid reduction of the RGA protein in Arabidopsis . Plant Cell 13, 1555–1566 (2001)

Fu, X. et al. Gibberellin-mediated proteasome-dependent degradation of the barley DELLA protein SLN1 repressor. Plant Cell 14, 3191–3200 (2002)

Dill, A., Jung, H. S. & Sun, T. P. The DELLA motif is essential for gibberellin-induced degradation of RGA. Proc. Natl Acad. Sci. USA 98, 14162–14167 (2001)

Peng, J. et al. The Arabidopsis GAI gene defines a signaling pathway that negatively regulates gibberellin responses. Genes Dev. 11, 3194–3205 (1997)

Peng, J. et al. 'Green revolution' genes encode mutant gibberellin response modulators. Nature 400, 256–261 (1999)

Ueguchi-Tanaka, M., Nakajima, M., Motoyuki, A. & Matsuoka, M. Gibberellin receptor and its role in gibberellin signaling in plants. Annu. Rev. Plant Biol. 58, 183–198 (2007)

McGinnis, K. M. et al. The Arabidopsis SLEEPY1 gene encodes a putative F-box subunit of an SCF E3 ubiquitin ligase. Plant Cell 15, 1120–1130 (2003)

Dill, A., Thomas, S. G., Hu, J., Steber, C. M. & Sun, T. P. The Arabidopsis F-box protein SLEEPY1 targets gibberellin signaling repressors for gibberellin-induced degradation. Plant Cell 16, 1392–1405 (2004)

Fujimori, T., Yamashino, T., Kato, T. & Mizuno, T. Circadian-controlled basic/helix-loop-helix factor, PIL6, implicated in light-signal transduction in Arabidopsis thaliana. Plant Cell Physiol. 45, 1078–1086 (2004)

Khanna, R. et al. A novel molecular recognition motif necessary for targeting photoactivated phytochrome signaling to specific basic helix-loop-helix transcription factors. Plant Cell 16, 3033–3044 (2004)

Nozue, K. et al. Rhythmic growth explained by coincidence between internal and external cues. Nature 448, 358–361 (2007)

Feng, S. et al. Coordinated regulation of Arabidopsis thaliana development by light and gibberellins. Nature doi: 10.1038/nature06448 (this issue).

Al-Sady, B., Ni, W., Kircher, S., Schafer, E. & Quail, P. H. Photoactivated phytochrome induces rapid PIF3 phosphorylation prior to proteasome-mediated degradation. Mol. Cell 23, 439–446 (2006)

Oh, E. et al. Light activates the degradation of PIL5 protein to promote seed germination through gibberellin in Arabidopsis . Plant J. 47, 124–139 (2006)

Shen, Y., Khanna, R., Carle, C. M. & Quail, P. H. Phytochrome induces rapid PIF5 phosphorylation and degradation in response to red-light activation. Plant Physiol. 145, 1043–1051 (2007)

Peng, J. & Harberd, N. P. Gibberellin deficiency and response mutations suppress the stem elongation phenotype of phytochrome-deficient mutants of Arabidopsis . Plant Physiol. 113, 1051–1058 (1997)

Kim, J. et al. Functional characterization of phytochrome interacting factor 3 in phytochrome-mediated light signal transduction. Plant Cell 15, 2399–2407 (2003)

Huq, E. et al. Phytochrome-interacting factor 1 is a critical bHLH regulator of chlorophyll biosynthesis. Science 305, 1937–1941 (2004)

Oh, E. et al. PIL5, a phytochrome-interacting bHLH protein, regulates gibberellin responsiveness by binding directly to the GAI and RGA promoters in Arabidopsis seeds. Plant Cell 19, 1192–1208 (2007)

Lee, J. et al. Analysis of transcription factor HY5 genomic binding sites revealed its hierarchical role in light regulation of development. Plant Cell 19, 731–749 (2007)

Boter, M., Ruiz-Rivero, O., Abdeen, A. & Prat, S. Conserved MYC transcription factors play a key role in jasmonate signaling both in tomato and Arabidopsis . Genes Dev. 18, 1577–1591 (2004)

Reed, J. W., Nagpal, P., Poole, D. S., Furuya, M. & Chory, J. Mutations in the gene for the red/far-red light receptor phytochrome B alter cell elongation and physiological responses throughout Arabidopsis development. Plant Cell 5, 147–157 (1993)

Huq, E., Kang, Y., Halliday, K. J., Qin, M. & Quail, P. H. SRL1: a new locus specific to the phyB-signaling pathway in Arabidopsis . Plant J. 23, 461–470 (2000)

Clough, S. J. & Bent, A. F. Floral dip: a simplified method for Agrobacterium-mediated transformation of Arabidopsis thaliana. Plant J. 16, 735–743 (1998)

Martinez-Garcia, J. F., Huq, E. & Quail, P. H. Direct targeting of light signals to a promoter element-bound transcription factor. Science 288, 859–863 (2000)

Jefferson, R. A. The GUS reporter gene system. Nature 342, 837–838 (1989)

Logemann, J., Schell, J. & Willmitzer, L. Improved method for the isolation of RNA from plant tissues. Anal. Biochem. 163, 16–20 (1987)

Voinnet, O., Rivas, S., Mestre, P. & Baulcombe, D. An enhanced transient expression system in plants based on suppression of gene silencing by the p19 protein of tomato bushy stunt virus. Plant J. 33, 949–956 (2003)