, Volume 28, Issue 1, pp 93–100 | Cite as

Identification of arbuscular mycorrhiza-inducible Nitrate Transporter 1/Peptide Transporter Family (NPF) genes in rice

  • Navina Drechsler
  • Pierre-Emmanuel Courty
  • Daphnée Brulé
  • Reinhard KunzeEmail author
Short Note


Arbuscular mycorrhizal fungi (AMF) colonize up to 90% of all land plants and facilitate the acquisition of mineral nutrients by their hosts. Inorganic orthophosphate (Pi) and nitrogen (N) are the major nutrients transferred from the fungi to plants. While plant Pi transporters involved in nutrient transfer at the plant-fungal interface have been well studied, the plant N transporters participating in this process are largely unknown except for some ammonium transporters (AMT) specifically assigned to arbuscule-colonized cortical cells. In plants, many nitrate transporter 1/peptide transporter family (NPF) members are involved in the translocation of nitrogenous compounds including nitrate, amino acids, peptides and plant hormones. Whether NPF members respond to AMF colonization, however, is not yet known. Here, we investigated the transcriptional regulation of 82 rice (Oryza sativa) NPF genes in response to colonization by the AMF Rhizophagus irregularis in roots of plants grown under five different nutrition regimes. Expression of the four OsNPF genes NPF2.2/PTR2, NPF1.3, NPF6.4 and NPF4.12 was strongly induced in mycorrhizal roots and depended on the composition of the fertilizer solution, nominating them as interesting candidates for nutrient signaling and exchange processes at the plant-fungal interface.


Oryza sativa Rhizophagus irregularis Nitrogen Fertilization Nitrate transporter 1/peptide transporter family NPF gene expression 



We thank Christine Rausch for conceptually and experimentally contributing to this study.

Funding information

This work was supported by a fellowship of the Studienstiftung des Deutschen Volkes to ND and by funds of the Dahlem Centre of Plant Sciences.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

572_2017_802_MOESM1_ESM.pdf (2 mb)
ESM 1 (PDF 2077 kb)


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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Institute of Biology/Applied Genetics, Dahlem Centre of Plant SciencesFreie Universität BerlinBerlinGermany
  2. 2.Agroécologie, AgroSupDijon, CNRS, INRAUniversité de Bourgogne Franche-ComtéDijonFrance

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