The role of amino acid metabolism during abiotic stress release

Plant responses to abiotic stress include various modifications in amino acid metabolism. By using a hydroponic culture system, we systematically investigate modification in amino acid profiles and the proteome of Arabidopsis thaliana leaves during initial recovery from low water potential or high salinity. Both treatments elicited oxidative stress leading to a biphasic stress response during recovery. Degradation of highly abundant proteins such as subunits of photosystems and ribosomes contributed to an accumulation of free amino acids. Catabolic pathways for several low abundant amino acids were induced indicating their usage as an alternative respiratory substrate to compensate for the decreased…

• DA
  Deutscher Akademischer Austauschdienst
• CD
  Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

  Award: PROBRAL #423/14
• BF
  Bundesministerium für Bildung und Forschung
• CN
  Conselho Nacional de Desenvolvimento Científico e Tecnológico