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Accumulation of non-protein metal-binding polypeptides (gamma-glutamyl-cysteinyl)n-glycine in selected cadmium-resistant tomato cells.
Open accessAbstract
Tomato cell suspensions have been selected for sustained growth on normally lethal concentrations of CdCl2. In cadmium-resistant (CdR) cells, Cd2+ is found complexed with non-protein, cysteine-rich polypeptides which accumulate in high amounts when cells are grown in the presence of Cd2+. Sequence and linkage analysis of these peptides by triple quadrupole mass spectrometry establishes structures of (gamma-Glu-Cys)3-Gly and (gamma-Glu-Cys)4-Gly. Necessity of these peptides for the CdR phenotype is demonstrated by inhibition of their accumulation by buthionine sulfoximine, a specific inhibitor of gamma-glutamylcysteine synthetase. Treatment of CdR cells with a concentration of buthionine sulfoximine below that inhibiting growth in the absence of Cd2+ renders CdR cells sensitive to Cd2+ ion.
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Cites
Griffith, O. W., & Meister, A. (1979) · Journal of Biological Chemistry · doi:10.1016/s0021-9258(18)35980-5 · Cited by 1,683
Cited by
Heavy metal detoxification in higher plants - a review
Zenk, M. H. (1996) · Gene · doi:10.1016/s0378-1119(96)00422-2 · Cited by 1,003
Biosynthesis of cadmium sulphide quantum semiconductor crystallites
Dameron, C. T., Reese, R. N., Mehra, R. K., Kortan, A. R., Carroll, P. J., Steigerwald, M. L., Brus, L. E., & Winge, D. R. (1989) · Nature · doi:10.1038/338596a0 · Cited by 787
Glutathione Metabolic Genes Coordinately Respond to Heavy Metals and Jasmonic Acid in Arabidopsis
Xiang, C., & Oliver, D. J. (1998) · The Plant Cell · doi:10.1105/tpc.10.9.1539 · Cited by 668
Phytochelatin Synthase Genes from Arabidopsis and the Yeast Schizosaccharomyces pombe
Ha, S.-B., Smith, A. P., Howden, R., Dietrich, W. M., Bugg, S., O'Connell, M. J., Goldsbrough, P. B., & Cobbett, C. S. (1999) · The Plant Cell · doi:10.1105/tpc.11.6.1153 · Cited by 659
Ernst, W. H. O., Verkleij, J. A. C., & Schat, H. (1992) · Acta Botanica Neerlandica · doi:10.1111/j.1438-8677.1992.tb01332.x · Cited by 585
Metadata
- Authors
- Steffens, J. C., Hunt, D. F., & Williams, B. G.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 1986-10
- Volume
- 261
- Issue
- 30
- Pages
- 13879-13882
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W1559244050
- Cited by
- 207
- References
- 1
- FWCI
- 19.74
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- CoChat. (2026). Citation check: Accumulation of non-protein metal-binding polypeptides (gamma-glutamyl-cysteinyl)n-glycine in selected cadmium-resistant tomato cells. https://app.cochat.ai/papers/10.1016/s0021-9258(18)66952-2
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- Steffens, J. C., Hunt, D. F., & Williams, B. G. (1986). Accumulation of non-protein metal-binding polypeptides (gamma-glutamyl-cysteinyl)n-glycine in selected cadmium-resistant tomato cells. Journal of Biological Chemistry. https://doi.org/10.1016/s0021-9258(18)66952-2
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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.
