Study of the influence of simulated microgravity on the cytoplasmic membrane lipid bilayer of plant cells

Heading: 
Space Life Sciences
1Kordyum, EL, 1Nedukha, OM, 2Grakhov, VP, 1Mel’nik, AK, 1Vorobyova, TM, 1Klimenko, OM, 1Zhupanov, IV
1M.G. Kholodny Institute of Botany of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
2M.M. Gryshko National Botanic Garden of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
Kosm. nauka tehnol. 2015, 21 ;(3):40–47
https://doi.org/10.15407/knit2015.03.040
Publication Language: Ukrainian
Abstract: 

Results of the investigations of microviscosity, the composition of lipids and fatty acids in the fraction of the cytoplasmic membrane isolated from epicotyls and roots of Pisum sativum seedlings grown during 6 days under clinorotation are presented. Based on the changes in the investigated patterns, gravisensitivity of the cytoplasmic membrane was established, and a degree of gravisensitivity was higher in the root’s membrane. An increased content of sterols in the cytoplasmic membrane under clinorotation was shown for the first time. Urgent questions on further research of gravisensitivity/gravidependence of the plant cell cytoplasmic membrane are discussed.
Keywords: clinorotation, lipid bilayer, membrane, Pisum sativum, sterols
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