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https://hdl.handle.net/2440/47336
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dc.contributor.author | Stacey, S. | - |
dc.contributor.author | McLaughlin, M. | - |
dc.contributor.author | Cakmak, I. | - |
dc.contributor.author | Hettiarachchi, G. | - |
dc.contributor.author | Scheckel, K. | - |
dc.contributor.author | Karkkainen, M. | - |
dc.date.issued | 2008 | - |
dc.identifier.citation | Journal of Agricultural and Food Chemistry, 2008; 56(6):2112-2117 | - |
dc.identifier.issn | 0021-8561 | - |
dc.identifier.issn | 1520-5118 | - |
dc.identifier.uri | http://hdl.handle.net/2440/47336 | - |
dc.description | Copyright © 2008 American Chemical Society | - |
dc.description.abstract | This study investigated the formation and plant uptake of lipophilic metal−rhamnolipid complexes. Monorhamnosyl and dirhamnosyl rhamnolipids formed lipophilic complexes with copper (Cu), manganese (Mn), and zinc (Zn). Rhamnolipids significantly increased Zn absorption by Brassica napus var. Pinnacle roots in ⁶⁵Zn-spiked ice-cold solutions, compared with ZnSO₄ alone. Therefore, rhamnolipid appeared to facilitate Zn absorption via a nonmetabolically mediated pathway. Synchrotron XRF and XAS showed that Zn was present in roots as Zn−phytate-like compounds when roots were treated with Zn-free solutions, ZnSO₄, or Zn−EDTA. With rhamnolipid application, Zn was predominantly found in roots as the Zn−rhamnolipid complex. When applied to a calcareous soil, rhamnolipids increased dry matter production and Zn concentrations in durum (Triticum durum L. cv. Balcali-2000) and bread wheat (Triticum aestivum L. cv. BDME-10) shoots. Rhamnolipids either increased total plant uptake of Zn from the soil or increased Zn translocation by reducing the prevalence of insoluble Zn−phytate-like compounds in roots. | - |
dc.description.statementofresponsibility | Samuel P. Stacey, Michael J. McLaughlin, Ismail Çakmak, Ganga M. Hettiarachchi, Kirk G. Scheckel and Michael Karkkainen | - |
dc.language.iso | en | - |
dc.publisher | Amer Chemical Soc | - |
dc.source.uri | http://pubs.acs.org/cgi-bin/abstract.cgi/jafcau/2008/56/i06/abs/jf0729311.html | - |
dc.subject | chelate | - |
dc.subject | fertilizer | - |
dc.subject | lipophilic | - |
dc.subject | rhamnolipid | - |
dc.subject | zinc | - |
dc.title | Root uptake of lipophilic zinc-rhamnolipid complexes | - |
dc.type | Journal article | - |
dc.provenance | Published on Web 02/28/2008. | - |
dc.identifier.doi | 10.1021/jf0729311 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | McLaughlin, M. [0000-0001-6796-4144] | - |
Appears in Collections: | Aurora harvest 6 Earth and Environmental Sciences publications Environment Institute publications |
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