The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
PIL5, a Phytochrome-Interacting Basic Helix-Loop-Helix Protein, Is a Key Negative Regulator of Seed Germination in Arabidopsis thaliana [W]
Open accessAbstract
The first decision made by an angiosperm seed, whether to germinate or not, is based on integration of various environmental signals such as water and light. The phytochromes (Phys) act as red and far-red light (Pfr) photoreceptors to mediate light signaling through yet uncharacterized pathways. We report here that the PIF3-like 5 (PIL5) protein, a basic helix-loop-helix transcription factor, is a key negative regulator of phytochrome-mediated seed germination. PIL5 preferentially interacts with the Pfr forms of Phytochrome A (PhyA) and Phytochrome B (PhyB). Analyses of a pil5 mutant in conjunction with phyA and phyB mutants, a pif3 pil5 double mutant, and PIL5 overexpression lines indicate that PIL5 is a negative factor in Phy-mediated promotion of seed germination, inhibition of hypocotyl negative gravitropism, and inhibition of hypocotyl elongation. Our data identify PIL5 as the first Phy-interacting protein that regulates seed germination.
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Cites
Phototropins 1 and 2: versatile plant blue-light receptors
Briggs, W. R., & Christie, J. M. (2002) · Trends in Plant Science · doi:10.1016/s1360-1385(02)02245-8 · Cited by 785
Cited by
Molecular Aspects of Seed Dormancy
Finkelstein, R., Reeves, W., Ariizumi, T., & Steber, C. (2008) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.59.032607.092740 · Cited by 1,379
Molecular networks regulating Arabidopsis seed maturation, after‐ripening, dormancy and germination
Holdsworth, M. J., Bentsink, L., & Soppe, W. J. J. (2008) · New Phytologist · doi:10.1111/j.1469-8137.2008.02437.x · Cited by 964
Light-Regulated Plant Growth and Development
Kami, C., Lorrain, S., Hornitschek, P., & Fankhauser, C. (2010) · Current Topics in Developmental Biology · doi:10.1016/s0070-2153(10)91002-8 · Cited by 927
Molecular mechanisms of seed dormancy
GRAEBER, K., NAKABAYASHI, K., MIATTON, E., LEUBNER‐METZGER, G., & SOPPE, W. J. J. (2012) · Plant, Cell & Environment · doi:10.1111/j.1365-3040.2012.02542.x · Cited by 640
Phytochrome Signaling Mechanisms
Li, J., Li, G., Wang, H., & Wang Deng, X. (2011) · The Arabidopsis Book · doi:10.1199/tab.0148 · Cited by 561
Metadata
- Authors
- Oh, E., Kim, J., Park, E., Kim, J.-I., Kang, C., & Choi, G.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2004-11-01
- Volume
- 16
- Issue
- 11
- Pages
- 3045-3058
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2162939744
- Cited by
- 450
- References
- 1
- FWCI
- 16.12
- Type
- journal article
- Language
- en
- Open access
- green
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- Oh, E., Kim, J., Park, E., Kim, J.-I., Kang, C., & Choi, G. (2004). PIL5, a Phytochrome-Interacting Basic Helix-Loop-Helix Protein, Is a Key Negative Regulator of Seed Germination in Arabidopsis thaliana [W]. The Plant Cell. https://doi.org/10.1105/tpc.104.025163
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