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Journal of Experimental Botany, Vol. 52, No. 356, pp. 641-652, April 2001
© 2001 Oxford University Press

Nuclear magnetic resonance micro-imaging in the investigation of plant cell metabolism

Walter Köckenberger1

Magnetic Resonance Centre, School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, UK

Micro-imaging based on nuclear magnetic resonance offers the possibility to map metabolites in plant tissues non-invasively. Major metabolites such as sucrose and amino acids can be observed with high spatial resolution. Stable isotope tracers, such as 13C-labelled metabolites can be used to measure the in vivo conversion rates in a metabolic network. This review summarizes the different nuclear magnetic resonance micro-imaging techniques that are available to obtain spatially resolved information on metabolites in plants. A short general introduction into NMR imaging techniques is provided. Particular emphasis is given to the difficulties encountered when NMR micro-imaging is applied to plant systems.

Key words: Metabolite pools in plants, non-invasive imaging, nuclear magnetic resonance microscopy.


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