The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Galactinol and Raffinose Constitute a Novel Function to Protect Plants from Oxidative Damage
Open accessAbstract
Galactinol synthase (GolS) is a key enzyme in the synthesis of raffinose family oligosaccharides that function as osmoprotectants in plant cells. In leaves of Arabidopsis (Arabidopsis thaliana) plants overexpressing heat shock transcription factor A2 (HsfA2), the transcription of GolS1, -2, and -4 and raffinose synthase 2 (RS2) was highly induced; thus, levels of galactinol and raffinose increased compared with those in wild-type plants under control growth conditions. In leaves of the wild-type plants, treatment with 50 μ m methylviologen (MV) increased the transcript levels of not only HsfA2, but also GolS1, -2, -3, -4, and -8 and RS2, -4, -5, and -6, the total activities of GolS isoenzymes, and the levels of galactinol and raffinose. GolS1- or GolS2-overexpressing Arabidopsis plants (Ox-GolS1-11, Ox-GolS2-8, and Ox-GolS2-29) had increased levels of galactinol and raffinose in the leaves compared with wild-type plants under control growth conditions. High intracellular levels of galactinol and raffinose in the transgenic plants were correlated with increased tolerance to MV treatment and salinity or chilling stress. Galactinol and raffinose effectively protected salicylate from attack by hydroxyl radicals in vitro. These findings suggest the possibility that galactinol and raffinose scavenge hydroxyl radicals as a novel function to protect plant cells from oxidative damage caused by MV treatment, salinity, or chilling.
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Bradford, M. M. (1976) · Analytical Biochemistry · doi:10.1016/0003-2697(76)90527-3 · Cited by 255,302
[1] Role of free radicals and catalytic metal ions in human disease: An overview
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Al-Taweel, K., Iwaki, T., Yabuta, Y., Shigeoka, S., Murata, N., & Wadano, A. (2007) · Plant Physiology · doi:10.1104/pp.107.101733 · Cited by 116
Self-citation
Cited by
Multifunctional fructans and raffinose family oligosaccharides
Ende, W. V. D. (2013) · Frontiers in Plant Science · doi:10.3389/fpls.2013.00247 · Cited by 398
Plant fructans in stress environments: emerging concepts and future prospects
Valluru, R., & Van den Ende, W. (2008) · Journal of Experimental Botany · doi:10.1093/jxb/ern164 · Cited by 396
Maruyama, K., Takeda, M., Kidokoro, S., Yamada, K., Sakuma, Y., Urano, K., Fujita, M., Yoshiwara, K., Matsukura, S., Morishita, Y., et al. (2009) · Plant Physiology · doi:10.1104/pp.109.135327 · Cited by 373
Are Grasses Really Useful for the Phytoremediation of Potentially Toxic Trace Elements? A Review
Rabêlo, F. H. S., Vangronsveld, J., Baker, A. J. M., van der Ent, A., & Alleoni, L. R. F. (2021) · Frontiers in Plant Science · doi:10.3389/fpls.2021.778275 · Cited by 67
Wyatt, 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
Metadata
- Authors
- Nishizawa, A., Yabuta, Y., & Shigeoka, S.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 2008-05-23
- Volume
- 147
- Issue
- 3
- Pages
- 1251-1263
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2163986764
- Cited by
- 1,112
- References
- 4
- FWCI
- 35.48
- Type
- journal article
- Language
- en
- Open access
- hybrid
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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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