Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/23967
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dc.contributor.authorRoessner, U.en
dc.contributor.authorPatterson, J.en
dc.contributor.authorForbes, M.en
dc.contributor.authorFincher, G.en
dc.contributor.authorLangridge, P.en
dc.contributor.authorBacic, A.en
dc.date.issued2006en
dc.identifier.citationPlant Physiology, 2006; 142(3):1087-1101en
dc.identifier.issn0032-0889en
dc.identifier.issn1532-2548en
dc.identifier.urihttp://hdl.handle.net/2440/23967-
dc.description© 2006 American Society of Plant Biologistsen
dc.description.abstractBoron (B) is an essential micronutrient that affects plant growth at either deficient or toxic concentrations in soil. The aim of this work was to investigate the adaptation of barley (Hordeum vulgare) plants to toxic B levels and to increase our understanding of B toxicity tolerance mechanisms. We used a metabolomics approach to compare metabolite profiles in root and leaf tissues of an intolerant, commercial cultivar (cv Clipper) and a B-tolerant Algerian landrace (cv Sahara). After exposure to elevated B (200 and 1,000 µM), the number and amplitude of metabolite changes in roots was greater in Clipper than in Sahara. In contrast, leaf metabolites of both cultivars only responded following 1,000 µM treatment, at which B toxicity symptoms (necrosis) were visible. In addition, metabolite levels were dramatically altered in the tips of leaves of the sensitive cultivar Clipper after growth in 1,000 µM B compared to those of Sahara. This correlates with a gradual accumulation of B from leaf base to tip in B-intolerant cultivars. Overall, there were always greater differences between tissue types (roots and leaves) than between the two cultivars. This work has provided insights into metabolic differences of two genetically distinct barley cultivars and information about how they respond metabolically to increasing B levels.en
dc.description.statementofresponsibilityUte Roessner, John H. Patterson, Megan G. Forbes, Geoffrey B. Fincher, Peter Langridge, and Anthony Bacicen
dc.language.isoenen
dc.publisherAmer Soc Plant Physiologistsen
dc.subjectPolysaccharide rhamnogalacturonan-ii; plant-cell-walls; pectic polysaccharide; drought stress; metabolites; tolerance; identification; mechanism; reveals; complexen
dc.titleAn investigation of boron toxicity in barley using metabolomicsen
dc.typeJournal articleen
dc.identifier.rmid0020061672en
dc.identifier.doi10.1104/pp.106.084053en
dc.identifier.pubid52117-
pubs.library.collectionAgriculture, Food and Wine publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidLangridge, P. [0000-0001-9494-400X]en
Appears in Collections:Agriculture, Food and Wine publications

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