tpj12191-sup-0001-FigureS1.tifimage/tif36KFigure S1. MS/MS spectra of metabolites identified from Medicago root and nodule extract via a conventional LC–MS/MS approach.
tpj12191-sup-0002-FigureS2.tifimage/tif17KFigure S2. Dendrogram representation of the PCA-transformed spectra.
tpj12191-sup-0003-FigureS3.tifimage/tif76KFigure S3. Comparison of Medicago nodules in WT and mutant backgrounds.
tpj12191-sup-0004-FigureS4.tifimage/tif268KFigure S4. Comparison of profiling spectra with DMAN or DHB as matrix.
tpj12191-sup-0005-FigureS5.tifimage/tif42KFigure S5. Schematic representation of the citric acid cycle and detected metabolites.
tpj12191-sup-0006-FigureS6.tifimage/tif322KFigure S6. Plant growth conditions and experimental set-up.
tpj12191-sup-0007-Legends.docxWord document16K 
tpj12191-sup-0008-ExperimentalProcedure.docxWord document26K

Methods S1. Plant lines, rhizobial strains and chemicals.

Methods S2. Acetylene reduction assays.

Methods S3. Tissue extraction.

Methods S4. Sample preparation for imaging.

Methods S5. MALDI-TOF/TOF for MSI.

Methods S6. ESI-Q-TOF.

Methods S7. Molecular identification of metabolites.

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