A unified nomenclature of NITRATE TRANSPORTER 1/PEPTIDE TRANSPORTER family members in plants

Léran, Sophie; Varala, Kranthi; Boyer, Jean-Christophe; Chiurazzi, Maurizio; Crawford, Nigel; Daniel-Vedele, Françoise; David, Laure; Dickstein, Rebecca; Fernandez, Emilio; Forde, Brian; Gassmann, Walter; Geiger, Dietmar; Gojon, Alain; Gong, Ji-Ming; Halkier, Barbara A.; Harris, Jeanne M.; Hedrich, Rainer; Limami, Anis M.; Rentsch, Doris; Seo, Mitsunori; ... (2014). A unified nomenclature of NITRATE TRANSPORTER 1/PEPTIDE TRANSPORTER family members in plants. Trends in Plant Science, 19(1), pp. 5-9. Elsevier Current Trends 10.1016/j.tplants.2013.08.008

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Members of the plant NITRATE TRANSPORTER 1/PEPTIDE TRANSPORTER (NRT1/PTR) family display protein sequence homology with the SLC15/PepT/PTR/POT family of peptide transporters in animals. In comparison to their animal and bacterial counterparts, these plant proteins transport a wide variety of substrates: nitrate, peptides, amino acids, dicarboxylates, glucosinolates, IAA, and ABA. The phylogenetic relationship of the members of the NRT1/PTR family in 31 fully sequenced plant genomes allowed the identification of unambiguous clades, defining eight subfamilies. The phylogenetic tree was used to determine a unified nomenclature of this family named NPF, for NRT1/PTR FAMILY. We propose that the members should be named accordingly: NPFX.Y, where X denotes the subfamily and Y the individual member within the species.

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