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000003965 084__ $$2WoS$$aPlant Sciences
000003965 1001_ $$0P:(DE-Juel1)129336$$aJahnke, S.$$b0$$uFZJ
000003965 245__ $$aCombined MRI-PET dissects dynamic changes in plant structures and functions
000003965 260__ $$aOxford [u.a.]$$bWiley-Blackwell$$c2009
000003965 300__ $$a634 - 644
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000003965 440_0 $$021082$$aThe Plant Journal$$v59$$x0960-7412
000003965 500__ $$aRecord converted from VDB: 12.11.2012
000003965 520__ $$aUnravelling the factors determining the allocation of carbon to various plant organs is one of the great challenges of modern plant biology. Studying allocation under close to natural conditions requires non-invasive methods, which are now becoming available for measuring plants on a par with those developed for humans. By combining magnetic resonance imaging (MRI) and positron emission tomography (PET), we investigated three contrasting root/shoot systems growing in sand or soil, with respect to their structures, transport routes and the translocation dynamics of recently fixed photoassimilates labelled with the short-lived radioactive carbon isotope (11)C. Storage organs of sugar beet (Beta vulgaris) and radish plants (Raphanus sativus) were assessed using MRI, providing images of the internal structures of the organs with high spatial resolution, and while species-specific transport sectoralities, properties of assimilate allocation and unloading characteristics were measured using PET. Growth and carbon allocation within complex root systems were monitored in maize plants (Zea mays), and the results may be used to identify factors affecting root growth in natural substrates or in competition with roots of other plants. MRI-PET co-registration opens the door for non-invasive analysis of plant structures and transport processes that may change in response to genomic, developmental or environmental challenges. It is our aim to make the methods applicable for quantitative analyses of plant traits in phenotyping as well as in understanding the dynamics of key processes that are essential to plant performance.
000003965 536__ $$0G:(DE-Juel1)FUEK407$$2G:(DE-HGF)$$aTerrestrische Umwelt$$cP24$$x0
000003965 588__ $$aDataset connected to Web of Science, Pubmed
000003965 650_2 $$2MeSH$$aBeta vulgaris
000003965 650_2 $$2MeSH$$aCarbon Radioisotopes
000003965 650_2 $$2MeSH$$aMagnetic Resonance Imaging: methods
000003965 650_2 $$2MeSH$$aPlant Roots: anatomy & histology
000003965 650_2 $$2MeSH$$aPlant Roots: metabolism
000003965 650_2 $$2MeSH$$aPlant Shoots: anatomy & histology
000003965 650_2 $$2MeSH$$aPlant Shoots: metabolism
000003965 650_2 $$2MeSH$$aPositron-Emission Tomography: methods
000003965 650_2 $$2MeSH$$aRaphanus
000003965 650_2 $$2MeSH$$aZea mays
000003965 650_7 $$00$$2NLM Chemicals$$aCarbon Radioisotopes
000003965 650_7 $$2WoSType$$aJ
000003965 65320 $$2Author$$acarbon-11 (C-11)
000003965 65320 $$2Author$$aco-registration
000003965 65320 $$2Author$$afunctional imaging (3D)
000003965 65320 $$2Author$$amagnetic resonance imaging (MRI)
000003965 65320 $$2Author$$anon-invasive method
000003965 65320 $$2Author$$apositron emission tomography (PET)
000003965 7001_ $$0P:(DE-Juel1)VDB63505$$aMenzel, M. I.$$b1$$uFZJ
000003965 7001_ $$0P:(DE-Juel1)129425$$avan Dusschoten, D.$$b2$$uFZJ
000003965 7001_ $$0P:(DE-Juel1)129390$$aRoeb, G. W.$$b3$$uFZJ
000003965 7001_ $$0P:(DE-Juel1)5963$$aBühler, J.$$b4$$uFZJ
000003965 7001_ $$0P:(DE-Juel1)VDB70195$$aMinwuyelet, S.$$b5$$uFZJ
000003965 7001_ $$0P:(DE-Juel1)VDB49819$$aBlümler, P.$$b6$$uFZJ
000003965 7001_ $$0P:(DE-Juel1)129409$$aTemperton, V. M.$$b7$$uFZJ
000003965 7001_ $$0P:(DE-Juel1)129332$$aHombach, T.$$b8$$uFZJ
000003965 7001_ $$0P:(DE-HGF)0$$aStreun, M.$$b9
000003965 7001_ $$0P:(DE-HGF)0$$aBeer, S.$$b10
000003965 7001_ $$0P:(DE-HGF)0$$aKhodaverdi, M.$$b11
000003965 7001_ $$0P:(DE-Juel1)VDB1841$$aZiemons, K.$$b12$$uFZJ
000003965 7001_ $$0P:(DE-Juel1)131816$$aCoenen, H. H.$$b13$$uFZJ
000003965 7001_ $$0P:(DE-Juel1)129402$$aSchurr, U.$$b14$$uFZJ
000003965 773__ $$0PERI:(DE-600)2020961-7$$a10.1111/j.1365-313X.2009.03888.x$$gVol. 59, p. 634 - 644$$p634 - 644$$q59<634 - 644$$tThe @plant journal$$v59$$x0960-7412$$y2009
000003965 8567_ $$uhttp://dx.doi.org/10.1111/j.1365-313X.2009.03888.x
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