Abstract:
:Changes in plasma membrane lipids, such as sterols and fatty acids, have been observed as a result of salt stress. These alterations, together with modification of the plasma membrane protein profile, confer changes in the physical properties of the membrane to be taken into account for biotechnological uses. In our experiments, the relationship between lipids and proteins in three different Brassicaceae species differing in salinity tolerance (Brassica oleracea, B. napus and Cakile maritima) and the final plasma membrane stability were studied. The observed changes in the sterol (mainly an increase in sitosterol) and fatty acid composition (increase in RUFA) in each species led to physical adaptation of the plasma membrane to salt stress. The in vitro vesicles stability was higher in the less tolerant (B. oleracea) plants together with low lipoxygenase activity. These results indicate that the proteins/lipids ratio and lipid composition is an important aspect to take into account for the use of natural vesicles in plant biotechnology.
journal_name
J Plant Physioljournal_title
Journal of plant physiologyauthors
Chalbi N,Martínez-Ballesta MC,Youssef NB,Carvajal Mdoi
10.1016/j.jplph.2014.12.003subject
Has Abstractpub_date
2015-03-01 00:00:00pages
148-56eissn
0176-1617issn
1618-1328pii
S0176-1617(14)00347-2journal_volume
175pub_type
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