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  • Enrica D’Apuzzo, Alessandra Rogato, +9 authors Maurizio Chiurazzi
  • Biology, Medicine
  • Plant Physiology
  • 2004 (First Publication: 1 April 2004)
  • Ammonium is a primary source of nitrogen for plants. In legume plants ammonium can also be obtained by symbiotic nitrogen fixation, and \batchmode \documentclass[fleqn,10pt,legalpaper]{article}Expand
  • Barbara Montanini, Marco Betti, Antonio Joaquín Santos Márquez, Raffaella Balestrini, Paola Bonfante, Simone Ottonello
  • Biology, Medicine
  • The Biochemical journal
  • 2003 (First Publication: 15 July 2003)
  • The nucleotide sequences reported in this paper have been submitted to the GenBank(R)/EBI Nucleotide Sequence Databases with accession numbers AF462037 (glutamine synthetase) and AF462032 (glutamateExpand
    An adequate carbon supply is fundamental for plants to thrive under ammonium stress. In this work, we studied the mechanisms involved in tomato (Solanum lycopersicum L.) response to ammonium toxicityExpand
  • Pedro Pérez Díaz, Marco Betti, Diego H Sanchez, Michael K. Udvardi, Jorge Monza, Antonio Joaquín Santos Márquez
  • Medicine, Biology
  • The New phytologist
  • 2010 (First Publication: 1 December 2010)
  • The role of plastidic glutamine synthetase (GS2) in proline biosynthesis and drought stress responses in Lotus japonicus was investigated using the GS2 mutant, Ljgln2-2. Wild-type (WT) and mutantExpand
  • Oscar Llorca, Marco Betti, José M González, Alfonso Valencia, Antonio Joaquín Santos Márquez, José M. Valpuesta
  • Biology, Medicine
  • Journal of structural biology
  • 2006 (First Publication: 1 December 2006)
  • The structure of the prokaryotic glutamine synthetases type I (GS-I), key enzymes in nitrogen metabolism, was determined several years ago by X-ray diffraction, and consists of a double hexamericExpand