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Gaston A. Pizzio


Ph.D. in Basic and Applied Science, National University of Quilmes (UNQ), Argentina, 2009

Current position

Post-doctoral position, Department of Plant Development and Signal. CENTRE FOR RESEARCH IN AGRICULTURAL GENOMICS – CRAG (Csic-UAB-UB-IRTA. Bellaterra (Cerdanyola del Vallés), Barcelona, Spain


  1. Pizzio, G. A., Regmi, K. and Gaxiola, R. (2015). Rhizosphere acidification assay. Bio-protocol 5(23): e1676. 
  2. Khadilkar, A. S., Yadav, U. P., Salazar, C., Shulaev, V., Paez-Valencia, J., Pizzio, G. A., Gaxiola, R. A. and Ayre, B. G. (2015). Constitutive and companion cell-specific overexpression of AVP1, encoding a proton-pumping pyrophosphatase, enhances biomass accumulation, phloem loading and long-distance transport. Plant physiology: pp. 01409.02015.
  3. Gaxiola, R. A., Regmi, K., Paez-Valencia, J., Pizzio, G. and Zhang, S. (2015). Plant H+-PPases: Reversible enzymes with contrasting functions dependent on membrane environment. Molecular Plant.[Epub ahead of print]
  4. Pizzio, G. A., Paez-Valencia, J., Khadilkar, A. S., Regmi, K., Patron-Soberano, A., Zhang, S., Sanchez-Lares, J., Furstenau, T., Li, J., Sanchez-Gomez, C., Valencia-Mayoral, P., Yadav, U. P., Ayre, B. G. and Gaxiola, R. A. (2015). Arabidopsis type I proton-pumping pyrophosphatase expresses strongly in phloem, where it is required for pyrophosphate metabolism and photosynthate partitioning. Plant Physiol 167(4): 1541-1553.
  5. Pizzio, G. A., Rodriguez, L., Antoni, R., Gonzalez-Guzman, M., Yunta, C., Merilo, E., Kollist, H., Albert, A. and Rodriguez, P. L. (2013). The PYL4 A194T mutant uncovers a key role of PYR1-LIKE4/PROTEIN PHOSPHATASE 2CA interaction for abscisic acid signaling and plant drought resistance. Plant Physiol 163(1): 441-455.
  6. Antoni, R., Gonzalez-Guzman, M., Rodriguez, L., Peirats-Llobet, M., Pizzio, G. A., Fernandez, M. A., De Winne, N., De Jaeger, G., Dietrich, D., Bennett, M. J. and Rodriguez, P. L. (2013). PYRABACTIN RESISTANCE1-LIKE8 plays an important role for the regulation of abscisic acid signaling in root. Plant Physiol 161(2): 931-941.
  7. Gonzalez-Guzman, M.*, Pizzio, G. A.*, Antoni, R., Vera-Sirera, F., Merilo, E., Bassel, G. W., Fernandez, M. A., Holdsworth, M. J., Perez-Amador, M. A., Kollist, H. and Rodriguez, P. L. (2012). Arabidopsis PYR/PYL/RCAR receptors play a major role in quantitative regulation of stomatal aperture and transcriptional response to abscisic acid. Plant Cell 24(6): 2483-2496. (*Both authors contributed equally to this study)
  8. Antoni, R., Gonzalez-Guzman, M., Rodriguez, L., Rodrigues, A., Pizzio, G. A. and Rodriguez, P. L. (2012). Selective inhibition of clade A phosphatases type 2C by PYR/PYL/RCAR abscisic acid receptors. Plant Physiol 158(2): 970-980.
  9. Antoni, R., Rodriguez, L., Gonzalez-Guzman, M., Pizzio, G. A. and Rodriguez, P. L. (2011). News on ABA transport, protein degradation, and ABFs/WRKYs in ABA signaling. Curr Opin Plant Biol 14(5): 547-553.
  10. Pizzio, G. A. and Golombek, D. A. (2008). Photic regulation of map kinase phosphatases MKP1/2 and MKP3 in the hamster suprachiasmatic nuclei. J Mol Neurosci 34(2): 187-192.
  11. Hainich, E. C.*, Pizzio, G. A.* and Golombek, D. A. (2006). Constitutive activation of the ERK-MAPK pathway in the suprachiasmatic nuclei inhibits circadian resetting. FEBS Lett 580(28-29): 6665-6668. (*both authors contributed equally to this study)
  12. Golombek, D. A. and Pizzio, G. A. (2007). Chronobiological Aspects of Melatonin Activity. Melatonin: From Molecules to Therapy: 177.
  13. Pizzio, G. A., Hainich, E. C., Plano, S. A., Ralph, M. R. and Golombek, D. A. (2005). Nerve growth factor-induced circadian phase shifts and MAP kinase activation in the hamster suprachiasmatic nuclei. Eur J Neurosci 22(3): 665-671.
  14. Pizzio, G. A., Hainich, E. C., Ferreyra, G. A., Coso, O. A. and Golombek, D. A. (2003). Circadian and photic regulation of ERK, JNK and p38 in the hamster SCN. Neuroreport 14(11): 1417-1419.
  15. Golombek, D. A., Ferreyra, G. A., Agostino, P. V., Murad, A. D., Rubio, M. F., Pizzio, G. A., Katz, M. E., Marpegan, L. and Bekinschtein, T. A. (2003). From light to genes: moving the hands of the circadian clock. Front Biosci 8: s285-293.
Protocols by Gaston A. Pizzio
  1. Rhizosphere Acidification Assay