Altered expression of the <scp>PTR</scp>/<scp>NRT</scp>1 homologue Os<scp>PTR</scp>9 affects nitrogen utilization efficiency, growth and grain yield in rice

The plant PTR/NRT1 (peptide transporter/nitrate transporter 1) gene family comprises di/tripeptide and low-affinity nitrate transporters; some members also r...