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| Web URL(s): | http://www.jstor.org/stable/2433063?seq=1#page_scan_tab_contents
Last checked: 12/17/2015
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Macnair, Mark R.;
Cumbes, Quinton |
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| Author Affiliation: | Dept. of Biological Sciences, hatherly Laboratories, University of Exeter, Prince of Wales Road, Exeter EX4 4PS, UK. |
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| Title: | Evidence that Arsenic Tolerance in Holcus lanatus L. is Caused by an Altered Phosphate Uptake System |
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| Source: | New Phytologist. Vol. 107, No. 2, October 1987, p. 387-394. |
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| Publishing Information: | Oxford, England |
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| Keywords: | TIC Keywords: Arsenic; Resistance; Holcus lanatus; Uptake; Adaptation; Phosphates
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| Abstract/Contents: | SUMMARY: "The uptake of arsenate by arsenic tolerant and non-tolerant plants of Holcus lanatus L., and the interaction of this uptake with phosphate level, was studied. The tolerance of the different plants, as measured by root growth, was also investigated. Arsenate inhibited the root growth of non-tolerant plants much more than that of tolerant ones, but at low levels of arsenate, the high phosphate treatment reduced the toxicity of arsenate in non-tolerants but not in tolerants. Tolerant plants took up less arsenate than non-tolerants. The effect of phosphate on arsenate uptake was very small in the tolerant plants, but in non-tolerants phosphate inhibited arsenate uptake when the phosphate was at a higher concentration than arsenate. These results are compatible with the hypothesis that arsenate is taken up by the phosphate uptake system in non-tolerant plants, but in tolerant plants this sytem has become altered so that it no longer recognizes arsenate." |
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| Language: | English |
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| References: | 27 |
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| Note: | Figures
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Macnair, M. R., and Q. Cumbes. 1987. Evidence that Arsenic Tolerance in Holcus lanatus L. is Caused by an Altered Phosphate Uptake System. New Phytol. 107(2):p. 387-394. |
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| Web URL(s):
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Last checked: 12/17/2015
Access conditions: Item is within a limited-access website |
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MSU catalog number: QK 1 .N38 |
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