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Association of Flavin Adenine Dinucleotide with the Arabidopsis Blue Light Receptor CRY1
Abstract
The Arabidopsis thaliana HY4 gene encodes CRY1, a 75-kilodalton flavoprotein mediating blue light-dependent regulation of seedling development. CRY1 is demonstrated here to noncovalently bind stoichiometric amounts of flavin adenine dinucleotide (FAD). The redox properties of FAD bound by CRY1 include an unexpected stability of the neutral radical flavosemiquinone (FADH⋅). The absorption properties of this flavosemiquinone provide a likely explanation for the additional sensitivity exhibited by CRY1-mediated responses in the green region of the visible spectrum. Despite the sequence homology to microbial DNA photolyases, CRY1 was found to have no detectable photolyase activity.
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Citations
Cited by
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
Franklin, K. A. (2008) · New Phytologist · doi:10.1111/j.1469-8137.2008.02507.x · Cited by 801
Cryptochrome Blue Light Photoreceptors Are Activated through Interconversion of Flavin Redox States
Bouly, J.-P., Schleicher, E., Dionisio-Sese, M., Vandenbussche, F., Van Der Straeten, D., Bakrim, N., Meier, S., Batschauer, A., Galland, P., Bittl, R., et al. (2007) · Journal of Biological Chemistry · doi:10.1074/jbc.m609842200 · Cited by 441
Self-citationBlue Light Receptors and Signal Transduction
Lin, C. (2002) · The Plant Cell · doi:10.1105/tpc.000646 · Cited by 367
Self-citationLin (2005) · Genome biology · doi:10.1186/gb-2005-6-5-220 · Cited by 351
Metadata
- Authors
- Lin, C., Robertson, D. E., Ahmad, M., Raibekas, A. A., Jorns, M. S., Dutton, P. L., & Cashmore, A. R.
- Venue
- Science
- Published
- 1995-08-18
- Volume
- 269
- Issue
- 5226
- Pages
- 968-970
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2022391649
- Cited by
- 426
- References
- 0
- FWCI
- 40.38
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Association of Flavin Adenine Dinucleotide with the Arabidopsis Blue Light Receptor CRY1. https://app.cochat.ai/papers/10.1126/science.7638620
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- Lin, C., Robertson, D. E., Ahmad, M., Raibekas, A. A., Jorns, M. S., Dutton, P. L., & Cashmore, A. R. (1995). Association of Flavin Adenine Dinucleotide with the Arabidopsis Blue Light Receptor CRY1. Science. https://doi.org/10.1126/science.7638620
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
