The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
ROS production and protein oxidation as a novel mechanism for seed dormancy alleviation
Open accessAbstract
Summary: At harvest, sunflower (Helianthus annuus L.) seeds are dormant and unable to germinate at temperatures below 15°C. Seed storage in the dry state, known as after‐ripening, is associated with an alleviation of embryonic dormancy allowing subsequent germination at suboptimal temperatures. To identify the process by which dormancy is broken during after‐ripening, we focused on the role of reactive oxygen species (ROS) in this phenomenon. After‐ripening entailed a progressive accumulation of ROS, namely superoxide anions and hydrogen peroxide, in cells of embryonic axes. This accumulation, which was investigated at the cellular level by electron microscopy, occurred concomitantly with lipid peroxidation and oxidation (carbonylation) of specific embryo proteins. Incubation of dormant seeds for 3 h in the presence of hydrogen cyanide (a compound that breaks dormancy) or methylviologen (a ROS‐generating compound) also released dormancy and caused the oxidation of a specific set of embryo proteins. From these observations, we propose a novel mechanism for seed dormancy alleviation. This mechanism involves ROS production and targeted changes in protein carbonylation patterns.
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Cites
Bradford, M. M. (1976) · Analytical Biochemistry · doi:10.1016/0003-2697(76)90527-3 · Cited by 255,302
Photoperoxidation in isolated chloroplasts
Heath, R. L., & Packer, L. (1968) · Archives of Biochemistry and Biophysics · doi:10.1016/0003-9861(68)90654-1 · Cited by 11,413
Free Radicals in Biology and Medicine
Halliwell, B., & Gutteridge, J. M. C. (2015) · doi:10.1093/acprof:oso/9780198717478.001.0001 · Cited by 8,990
Cited by
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
First off the mark: early seed germination
Weitbrecht, K., Müller, K., & Leubner-Metzger, G. (2011) · Journal of Experimental Botany · doi:10.1093/jxb/err030 · Cited by 842
Nonogaki, H., Bassel, G. W., & Bewley, J. D. (2010) · Plant Science · doi:10.1016/j.plantsci.2010.02.010 · Cited by 835
Franklin, K. A. (2008) · New Phytologist · doi:10.1111/j.1469-8137.2008.02507.x · Cited by 801
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
Metadata
- Authors
- Oracz, K., Bouteau, H. E., Farrant, J. M., Cooper, K., Belghazi, M., Job, C., Job, D., Corbineau, F., & Bailly, C.
- Venue
- The Plant Journal
- Publisher
- Wiley
- Published
- 2007-03-21
- Volume
- 50
- Issue
- 3
- Pages
- 452-465
- ISSN
- 0960-7412 (ISSN-L)
- 1365-313X
- OpenAlex
- W2138937471
- Cited by
- 518
- References
- 3
- FWCI
- 25.03
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Oracz, K., Bouteau, H. E., Farrant, J. M., Cooper, K., Belghazi, M., Job, C., Job, D., Corbineau, F., & Bailly, C. (2007). ROS production and protein oxidation as a novel mechanism for seed dormancy alleviation. The Plant Journal. https://doi.org/10.1111/j.1365-313x.2007.03063.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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