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Molecular Plant Nutrition laboratory, Department of Physiology and Cell Biology, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Corrensstr. 3, OT Gatersleben, D-06466 Stadt Seeland, Germany
E-mail: giehl@ipk-gatersleben.de
https://www.ipk-gatersleben.de/en/research/physiology-and-cell-biology/molecular-plant-nutrition
Area of expertise: plant nutrition, nutrient sensing, nutrient transport, root exudates, root responses to nutrients, ionomics, nitrogen, phosphorus, iron
Selected Publications:
Paffrath, V., Moya, Y.A.T, Weber, G., von Wirén, N., and Giehl, R.F.H. (2024). A major role of coumarin-dependent ferric iron reduction in strategy I-type iron acquisition in Arabidopsis. Plant Cell 36: 642–664.
Maniero, R.A., Picco, C., Hartmann, A., Engelberger, F., Gradogna, A., Scholz-Starke, J., Melzer, M., Künze, G., Carpaneto, A., von Wirén, N., and Giehl, R.F.H. (2024). Ferric reduction by a CYBDOM protein counteracts increased iron availability in root meristems induced by phosphorus deficiency. Nat. Commun. 15: 422.
Giehl, R.F.H., Flis, P., Fuchs, J., Gao, Y., Salt, D.E., and von Wirén, N. (2023). Cell type-specific mapping of ion distribution in Arabidopsis thaliana roots. Nat. Commun. 14: 3351.
Jia, Z.T., Giehl, R.F.H., and von Wirén, N. (2021). Local auxin biosynthesis acts downstream of brassinosteroids to trigger root foraging for nitrogen. Nat. Commun. 12: 5437.
Riemer, E., Qiu, D., Laha, D., Harmel, R.K., Gaugler, P., Gaugler, V., Frei, M., Hajirezaei, M.R., Laha, N.P., Krusenbaum, L., Schneider, R., Saiardi, A., Fiedler, D., Jessen, H.J., Schaaf, G., and Giehl, R.F.H. (2021). ITPK1 is an InsP6/ADP phosphotransferase that controls phosphate signaling in Arabidopsis. Mol. Plant 11: 1864–1880.
Lešková, A., Zvarík, M., Araya, T., and Giehl, R.F.H. (2020). Nickel toxicity targets cell wall-related processes and PIN2-mediated auxin transport to inhibit root elongation and gravitropic responses in Arabidopsis. Plant Cell Physiol. 61: 519–535.
Jia, Z.T., Giehl, R.F.H., Meyer, R.C., Altmann, T., and von Wirén, N. (2019). Natural variation of BSK3 tunes brassinosteroid signaling to regulate root foraging under low nitrogen. Nat. Commun. 10: 2378.
Rajniak, J., Giehl, R.F.H., Chang, E., Murgia, I., von Wirén, N., and Sattely, E.S. (2018). Biosynthesis of redox-active metabolites in response to iron deficiency in plants. Nat. Chem. Biol. 14: 442–450.
Giehl, R.F.H., Laginha, A.M., Duan, F., Rentsch, D., Yuan, L., and von Wirén, N. (2017). A critical role of AMT2;1 in root-to-shoot translocation of ammonium in Arabidopsis. Mol. Plant 10: 1449–1460.
Giehl, R.F.H., Lima, J.E., and von Wirén, N. (2012). Localized iron supply triggers lateral root elongation in Arabidopsis by altering the AUX1-mediated auxin distribution. Plant Cell 24: 33–49.
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