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Retention times and Mr of the compounds missing in the ABC transporter mutants compared with wild type after 7 d secretion (25-d-old plants) of root exudate profiles analyzed by HPLC-MS
+, Presence of compound; −, absence of compound.
| Peak Retention Time (Mr) | Col-0 | pgp4-1 | pgp4-2 | pdr2 | pdr6 | pdr7 | mrp2 | ath6 | pgp1 |
|---|---|---|---|---|---|---|---|---|---|
| Compound 1: 33.92 min (208) | + | + | + | + | − | + | + | − | + |
| Compound 2: 38.9 min (387) | + | + | + | + | + | + | − | + | − |
| Compound 3: 39.9 min (647) | + | − | − | + | + | + | − | + | − |
