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| DOI: | 10.1111/j.1469-8137.2007.02056.x |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2007.02056.x/pdf
Last checked: 03/20/2012
Requires: PDF Reader
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2007.02056.x/full
Last checked: 03/20/2012
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Ueno, D.;
Rombolà, A. D.;
Iwashita, T.;
Nomoto, K.;
Ma, J. F. |
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| Author Affiliation: | Ueno and Ma: Research Institute for Bioresources, Okayama University, Kurashiki, Japan; Rombolà: Dipartimento di Colture Arboree, Università di Bologna, Bologna, Italy; Iwashita: Suntory Institute for Bioorganic Research, Osaka, Japan; Nomoto: Faculty of Life Sciences, Toyo University, Gunma, Japan |
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| Title: | Identification of two novel phytosiderophores secreted by perennial grasses |
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| Source: | New Phytologist. Vol. 174, No. 2, April 2007, p. 304-310. |
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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/10.1111/j.1469-8137.2007.02056.x/abstract
Last checked: 03/20/2012
Notes: Abstract only |
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| Keywords: | TIC Keywords: Chromatography; Cultivar evaluation; Disodium methyl arsenate; Iron deficiency; Lolium perenne; Poa pratensis; Root exudates
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| Cultivar Names: | Tore; Baron |
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| Abstract/Contents: | "It has been suggested that some perennial grasses secrete phytosiderophores in response to iron (Fe) deficiency, but the compounds have not been identified. Here, we identified and characterized the phytosiderophores secreted by two perennial grasses, Lolium perenne cv. Tove and Poa pratensis cv. Baron. Root exudates were collected from the roots of Fe-deficient grasses and then purified with various chromatographies. The structure of the purified compounds was determined using both nuclear magnetic resonance and fast atom bombardment mass spectrometry. Both species secreted phytosiderophores in response to Fe deficiency, and the amount of phytosiderophores secreted increased with the development of Fe deficiency. The type of phytosiderophores secreted differed with plant species; L. perenne cv. Tove secreted 3-epihydroxy-2'-deoxymugineic acid (epiHDMA), 2'-deoxymugineic acid (DMA) and an unknown compound, whereas P. pratensis cv. Baron secreted DMA, avenic acid A (AVA) and an unknown compound. Purification and subsequent analysis with nuclear magnetic resonance and mass led to identification of the two novel phytosiderophores; 3-hydroxy-2'-deoxymugineic acid (HDMA) from L. perenne, and 2'-hydroxyavenic acid A (HAVA) from P. pratensis. Both novel phytosiderophores have similar chelating activity to known phytosiderophores." |
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| Language: | English |
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| References: | 31 |
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| Note: | Figures
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ueno, D., A. D. Rombolà, T. Iwashita, K. Nomoto, and J. F. Ma. 2007. Identification of two novel phytosiderophores secreted by perennial grasses. New Phytol. 174(2):p. 304-310. |
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| DOI: 10.1111/j.1469-8137.2007.02056.x |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2007.02056.x/pdf
Last checked: 03/20/2012
Requires: PDF Reader
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2007.02056.x/full
Last checked: 03/20/2012
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2219226 |
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