The study was
undertaken to answer the question of whether 24-epibrassinolide has the ability
to protect the plasma membrane against salt stress. Onion inner epidermal cells
were exposed to 150 mMNaCl for 3h. Different protocols of 24-epibrassinolide,
and three concentrations were studied (0, 1, 3 µM). NaCl increased plasma
membrane permeability, number of cells with swollen protoplasm, and cell death.
24-epibrassinolide overcame Na+-induced cellular alterations.
24-epibrassinolide prior to salt treatment had the greatest protective effect.
24-epibrassinolide at 3 µM was more effective than 1 µM. Plasma membrane
protection under salinity stress was provided by 24-epibrassinolide, which may
lead to improved salt tolerance. - See more at:
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