Plant Physiology and Agrobiology
Estíbaliz Larrainzar (IP)
Professor
PHONE NUMBER
+34 948 169121
Otros miembros
Research lines
- Nitrogen fixation in legumes: metabolic regulation and agricultural implications
- Role of ethylene in the establishment of symbiosis and nodule function in legumes
- Identification of extrachromosomal DNA and its role in drought response in Medicago truncatula
- Contribution of plant growth-promoting bacteria to drought tolerance
Representative publications
- Rubia MI, Larrainzar E, Arrese-Igor C. (2025) Drought stress modifies the source-sink dynamics of nitrogen-fixing soybean plants prioritizing roots and nodules. Physiol Plant. 177(3):e70276. doi: 10.1111/ppl.70276.
- Gómez-Fernández GO, van Velzen R, Mun JH, Cook DR, Kohlen W, Larrainzar E. (2025) Ethylene biosynthesis in legumes: gene identification and expression during early symbiotic stages. J Exp Bot. eraf069. doi: 10.1093/jxb/eraf069
- Batool S, Safdar M, Naseem S, Sami A, Saleem RSZ, Larrainzar E, Shahid I. (2024) A novel Enterococcus-based nanofertilizer promotes seedling growth and vigor in wheat (Triticum aestivum L.) Plants (Basel) 13(20):2875. doi: 10.3390/plants13202875.
- Ivanovici A, Laffont C, Larrainzar E, Patel N, Winning CS, Lee HC, Imin N, Frugier F, Djordjevic MA. (2023) The Medicago SymCEP7 hormone increases nodule number via shoots without compromising lateral root number. Plant Physiol. 191(3):2012-2026. doi: 10.1093/plphys/kiad012.
- Soba D, Arrese-Igor C, Aranjuelo I (2022) Additive effects of heatwave and water stresses on soybean seed yield is caused by impaired carbon assimilation at pod formation but not at flowering. Plant Science 321 (Aug): art111320. doi: 10.1016/j.plantsci.2022.111320
- Cobos-Porras L, Rubia MI, Huertas R, Kum D, Dalton DA, Udvardi MK, Arrese-Igor C, Larrainzar E. (2021) Increased ascorbate biosynthesis does not improve nitrogen fixation nor alleviate the effect of drought stress in nodulated Medicago truncatula plants. Front Plant Sci. 12:686075. doi: 10.3389/fpls.2021.686075
Grants
- Larrainzar E (IP1); Arrese-Igor C (IP2) (2022-2026) LEGUMET. Nuevas implicaciones del papel del etileno en leguminosas: sequía y simbiosis. Agencia Estatal de Investigación (AEI) PID2021-122740OB-I00
- Castellani L (2022-2025) Exploring the role of circular extrachromosomal DNA in response to drought in legume plants. European Union’s Horizon 2020 Research and Innovation Program under Marie Sklodowska-Curie grant agreement No. 101034288.
- Shahid I (2023-2026) Crafting synthetic microbial communities for enhanced drought resiliency in legumes. European Union’s Horizon 2020 Research and Innovation Program under Marie Sklodowska-Curie grant agreement No. 101034288.
Patents
- Morán JF, Larrainzar E, Urarte, E; Auzmendi I, González EM, Arrese-Igor C, Ariz I (2007). In vitro method of quantifying oxidative/ nitrosative/ nitrative stress and/or selecting compounds with antioxidant activity. PCT 2008/070144.
Relevant methods
- Plant growth in multiple systems, including hydroponic and aeroponic. Seed multiplication capacity.
- Measurement of nitrogen fixation in vivo through H2 release.
- Determination of a wide variety of metabolites in plant samples, including amino acids, organic acids, soluble carbohydrates, starch, cations and ions, etc., using capillary electrophoresis and ion chromatography.
- Measurement of enzyme activity in C and N metabolism in various plant tissues.
Collaborations with other national and international research groups
- Stefanie Wienkoop (University of Vienna, Austria)
- Manuel Becana (EEAD-CSIC. Zaragoza, Spain)
- Andreas Niebel, Fernanda de Carvalho-Niebel (Castanet-Tolosan. Francia)
- Douglas R Cook (Univ California-Davis, USA)
- José María García-Mina (Universidad de Navarra, Spain)
- Joaquín Fernández-Irigoyen, Enrique Santamaría (NavarraBiomed. Navarra, Spain)
- Wouter Kohlen, Dept. Laboratory of Cell and Developmental Biology, Wageningen University and Research, Países Bajos
- M Eugenia Zanetti, Instituto de Biotecnología y Biología Molecular, Universidad Nacional de La Plata, Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina
- Euan K. James, The James Hutton Institute, Dundee, Reino Unido
