PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17481610-5 2007 Two of the NRT1 genes, CHL1 and AtNRT1.2, and two of the NRT2 genes, AtNRT2.1 and AtNRT2.2, are known to be involved in nitrate uptake. Nitrates 120-127 nitrate transporter 1.1 Arabidopsis thaliana 11-15 17481610-6 2007 In addition, AtNRT1.4 is required for petiole nitrate storage. Nitrates 46-53 nitrate transporter 1.1 Arabidopsis thaliana 13-19