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A Copper Cofactor for the Ethylene Receptor ETR1 from Arabidopsis
Abstract
The ETR1 receptor from Arabidopsis binds the gaseous hormone ethylene. A copper ion associated with the ethylene-binding domain is required for high-affinity ethylene-binding activity. A missense mutation in the domain that renders the plant insensitive to ethylene eliminates both ethylene binding and the interaction of copper with the receptor. A sequence from the genome of the cyanobacterium Synechocystis sp. strain 6803 that shows homology to the ethylene-binding domain of ETR1 encodes a functional ethylene-binding protein. On the basis of sequence conservation between the Arabidopsis and the cyanobacterial ethylene-binding domains and on in vitro mutagenesis of ETR1, a structural model for this copper-based ethylene sensor domain is presented.
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Citations
Cited by
Molecular mechanisms of plant metal tolerance and homeostasis
Clemens, S. (2001) · Planta · doi:10.1007/s004250000458 · Cited by 1,417
EIN2, a Bifunctional Transducer of Ethylene and Stress Responses in Arabidopsis
Alonso, J. M., Hirayama, T., Roman, G., Nourizadeh, S., & Ecker, J. R. (1999) · Science · doi:10.1126/science.284.5423.2148 · Cited by 1,312
P1B-ATPases – an ancient family of transition metal pumps with diverse functions in plants
Williams, L. E., & Mills, R. F. (2005) · Trends in Plant Science · doi:10.1016/j.tplants.2005.08.008 · Cited by 432
Trace metal metabolism in plants
Andresen, E., Peiter, E., & Küpper, H. (2018) · Journal of Experimental Botany · doi:10.1093/jxb/erx465 · Cited by 431
(2000) · PubMed · Cited by 242
Metadata
- Authors
- Rodrı́guez, F. I., Esch, J. J., Hall, A. E., Binder, B. M., Schaller, G. E., & Bleecker, A. B.
- Venue
- Science
- Published
- 1999-02-12
- Volume
- 283
- Issue
- 5404
- Pages
- 996-998
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2055326419
- Cited by
- 655
- References
- 0
- FWCI
- 32.69
- Type
- journal article
- Language
- en
- Open access
- closed
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- Rodrı́guez, F. I., Esch, J. J., Hall, A. E., Binder, B. M., Schaller, G. E., & Bleecker, A. B. (1999). A Copper Cofactor for the Ethylene Receptor ETR1 from Arabidopsis. Science. https://doi.org/10.1126/science.283.5404.996
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