The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Chloroplast‐located flavonoids can scavenge singlet oxygen
Open accessAbstract
* The hypothesis was tested that flavonoids may scavenge singlet oxygen ((1)O(2)) in mesophyll cells of Phillyrea latifolia exposed to excess-light stress. * In cross-sections taken from leaves developed at 10% (shade) or 100% (sun) solar irradiance, we evaluated the excess photosynthetically active radiation (PAR)-induced accumulation of (1)O(2) in mesophyll cells by imaging the fluorescence quenching of the specific (1)O(2) probe N-[2-(diethylamino)ethyl]-N-[(2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-3-yl)methyl]-5-(dimethylamino)-1-naphthalenesulfonamide (DanePy). The intracellular location of flavonoids was also analyzed using three-dimensional deconvolution microscopy. * Photo-induced quenching of DanePy fluorescence was markedly greater in the mesophyll of shade leaves than in that of sun leaves, the former showing a negligible accumulation of mesophyll flavonoids. The photo-induced generation of (1)O(2) was inversely related to the content of flavonoids in the mesophyll cells of sun leaves. Flavonoids were located in the chloroplasts, and were likely associated with the chloroplast envelope. * Here we provide relevant evidence for the potential scavenger activity of chloroplast-located flavonoids against (1)O(2) and new insights into the photo-protective role of flavonoids in higher plants.
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Cites
Structure-antioxidant activity relationships of flavonoids and phenolic acids
Rice-Evans, C. A., Miller, N. J., & Paganga, G. (1996) · Free Radical Biology and Medicine · doi:10.1016/0891-5849(95)02227-9 · Cited by 9,085
Advances in flavonoid research since 1992
Harborne, J. B., & Williams, C. A. (2000) · Phytochemistry · doi:10.1016/s0031-9422(00)00235-1 · Cited by 3,956
Cited by
Flavonoids as Antioxidants and Developmental Regulators: Relative Significance in Plants and Humans
Brunetti, C., Di Ferdinando, M., Fini, A., Pollastri, S., & Tattini, M. (2013) · International Journal of Molecular Sciences · doi:10.3390/ijms14023540 · Cited by 508
Self-citationWyatt, T. T., van Leeuwen, M. R., Golovina, E. A., Hoekstra, F. A., Kuenstner, E. J., Palumbo, E. A., Snyder, N. L., Visagie, C., Verkennis, A., Hallsworth, J. E., et al. (2015) · Environmental Microbiology · doi:10.1111/1462-2920.12558 · Cited by 64
Wyatt, T. T., Golovina, E. A., van Leeuwen, R., Hallsworth, J. E., Wösten, H. A. B., & Dijksterhuis, J. (2015) · Environmental Microbiology · doi:10.1111/1462-2920.12557 · Cited by 61
Metadata
- Authors
- Agati, G., Matteini, P., Goti, A., & Tattini, M.
- Venue
- New Phytologist
- Publisher
- Wiley
- Published
- 2007-01-15
- Volume
- 174
- Issue
- 1
- Pages
- 77-89
- ISSN
- 0028-646X (ISSN-L)
- 1469-8137
- OpenAlex
- W2096603969
- Cited by
- 270
- References
- 2
- FWCI
- 3.47
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Agati, G., Matteini, P., Goti, A., & Tattini, M. (2007). Chloroplast‐located flavonoids can scavenge singlet oxygen. New Phytologist. https://doi.org/10.1111/j.1469-8137.2007.01986.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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