CE SAIN Lecture Series on June 25, 2018
June 25, 2018: The Center of Excellence on Sustainable Agricultural Intensification and Nutrition (CE SAIN Cambodia) of Royal University of Agriculture (RUA) facilitated lectures on “Salt-Tolerance in Plant: Learning From a Facultative CAM halophyte, Mesembryanthemum crystallinum,L.” Presented by Dr. Roeurn Siranet, an agriculture engineer of Agronomy Faculty, Royal University of Agriculture.
Dr. Roeurn Siranet holds doctoral degree from Kagawa University, Japan. His research focuses on the morphological, physiological and molecular study of salt stress tolerance in a halophyte, Mesembryanthemum crystallinum, L., He is also a co-author with prof. Dr. Cheang Hong of the CE-SAIN-funded project.
The lecture shared about Halophytes have evolved numerous strategies to adapt to high salinity. Mesembryanthemum crystallinum L., the common ice plant, is a halophytic plant that exhibits extreme tolerance to high salinity concentrations equivalent to seawater (500 mM NaCl). Under stress condition, the plant switches from C3 to CAM, a photosynthetic pathway, which allows higher water-use efficiency. Moreover, the species develops epidermal bladder cells (EBCs) on the adaxial and abaxial surfaces of its aerial organs, an interesting component conferring extreme salinity tolerance to the plant. The EBCs would swollen up to 25 % of its size, being capable of accumulate up to 1M NaCl. (Click here for slide presentation, 3MB)