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| DOI: | 10.1046/j.1469-8137.2002.00455.x |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1046/j.1469-8137.2002.00455.x/full
Last checked: 02/07/2014
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1046/j.1469-8137.2002.00455.x/pdf
Last checked: 02/07/2014
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Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Hartley-Whitaker, J.;
Woods, C.;
Meharg, A. A. |
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| Author Affiliation: | Hartley-Whitaker and Woods: Centre for Ecology and Hydrology, Merlewood, Grange-over-Sands, Cumbria, UK; Meharg: Department of Plant and Soil Science, University of Aberdeen, Aberdeen, UK |
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| Title: | Is differential phytochelatin production related to decreased arsenate influx in arsenate tolerant Holcus lanatus? |
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| Section: | Research
Other records with the "Research" Section
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| Source: | New Phytologist. Vol. 155, No. 2, August 2002, p. 219-225. |
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| Publishing Information: | Oxford, England: Blackwell Publishing, for the New Phytologist Trust |
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| # of Pages: | 7 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1046/j.1469-8137.2002.00455.x/abstract
Last checked: 02/07/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Phytochelatins; Arsenic; Decontamination; Arsenates; Holcus lanatus; Buthionine sulfoximine; Genetic factors; Root elongation; Heavy metals
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| Abstract/Contents: | "Phytochelatins (PCs) are required for arsenic (As) detoxification in nontolerant plants. In addition, a role for PCs in arsenic tolerance has recently been proven, with tolerant plants able to accumulate significantly higher concentrations of As-PC complexes at equivalent levels of stress than nontolerant plants. The relationship between arsenate influx and PC production in tolerant and nontolerant Holcus lanatus plants was determined in this study, along with an investigation of the effect of inhibition of PC synthesis by buthionine sulfoximine (BSO) on arsenate tolerance. A strong correlation between PC production and arsenate influx was demonstrated in arsenate-tolerant plants. In addition, inhibition of PC synthesis by BSO in tolerant plants increased arsenate sensitivity to that of the nontolerant clone. This dramatic reduction in tolerance proves that PC production is an essential component of the arsenate tolerance mechanism in H. lanatus. This study proposes that while there is a single major gene factor for arsenate tolerance, hypostatic modifiers are also in operation, affecting the expression of the tolerance character." |
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| Language: | English |
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| References: | 23 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hartley-Whitaker, J., C. Woods, and A. A. Meharg. 2002. Is differential phytochelatin production related to decreased arsenate influx in arsenate tolerant Holcus lanatus?. New Phytol. 155(2):p. 219-225. |
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| DOI: 10.1046/j.1469-8137.2002.00455.x |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1046/j.1469-8137.2002.00455.x/full
Last checked: 02/07/2014
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1046/j.1469-8137.2002.00455.x/pdf
Last checked: 02/07/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: QK 1 .N38 |
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