![]() Osmoprotectants such as proline and glycine betaine increased in concentrations as the external salinity was increased under hypoxic conditions. During hypoxia, the concentration of free amino acids increased in shoots and roots. Key Results Roots exposed to hypoxic conditions showed an increased level of tricarboxylic acid (TCA)-cycle intermediates such as succinate, malate and citrate. A non-targeted metabolic approach was used to clarify the biochemical pathways underlying the metabolic and physiological adaptation mechanisms of S. Additionally, hypoxic conditions were applied to investigate the impact of hypoxia combined with different salt concentrations. maritima plants were grown in a hydroponic culture under low, medium and high salt concentrations. Methods To compare the adaptive mechanisms to deficient, optimal and stressful salt concentrations, S. ![]() ![]() maritima to salinity combined with hypoxia were investigated on a physiological and metabolic level. In the present work, the adaptive mechanisms of S. ![]() maritima has evolved tolerance to high salt concentrations and hypoxic conditions in the soil caused by periodic flooding. Flowers, Timothy J.īackground and Aims Suaeda maritima is a halophyte commonly found on coastal wetlands in the intertidal zone. Bouchereau, Alain Berardocco, Solenne Seal, Charlotte E. Metabolic and physiological adjustment of Suaeda maritima to combined salinity and hypoxiaīehr, Jan H.
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