Supplemental Data

Files in this Data Supplement:

• Supplemental Figure 1 - The AMT1;2-2 Mutant Allele Is Non-Functional When Heterologously Expressed in Yeast.
• Supplemental Figure 2 - The Insertion Lines amt1;2-1 and amt1;2-2 Show Decreased Methylammonium Sensitivity.
• Supplemental Figure 3 - The Insertion Lines amt1;2-1 and amt1;2-2 Do Not Show Altered Ammonium Concentrations in the Xylem Sap.
• Supplemental Figure 4 - The amt2;1 T-DNA Insertion Line.
• Supplemental Figure 5 - Growth of the Quadruple Insertion Line (qko) on Millimolar Ammonium Concentrations.
• Supplemental Figure 6 - Time-Dependent Accumulation of AMT1;5 mRNA Under Nitrogen Deficiency.
• Supplemental Figure 7 - Comparison of the influx of ¹⁵N-labeled ammonium into roots of three Arabidopsis ecotypes.