Biomedical subjects

O A Okanenko

Publications and source records attributed to O A Okanenko.

3 recordsLinked to original sources

PubMedDate not supplied

[Plant sulfolipids].

Plant sulpholipid, sulphoquinovosyl diacylglycerol (SQDG), represents about 12% of the lipid mass in higher plants and as the lipid with net negative charge is capable to play a specific role in the structural organisation of the membrane. SQDG appears to be concentrated mainly in the plant chloroplasts, as in envelope so and in lamellar membranes; higher plant chloroplasts are considered to be completely autonomous for SQDG synthesis both the DAG moiety and the head group. The possible pathway of SQDG biosyntheses and functions are discussed.

Lipid Metabolism↗

PubMedDate not supplied

[Glycolipid changes in tissues of wheat leaves induced by exogenous hydrogen peroxide].

The results of the study of H2O2 treatment of wheat leaf glycolipid composition are presented. The fraction changes depended upon H2O2 concentration, way of treatment and exposition. The most typical reaction was galactolipid (MGDG, DGDG) content increase while lower sulpholipid variations at low doses of the root treatment and at leaf spraying.

Dose-Response Relationship, Drug↗

PubMedDate not supplied

[Effect of drought on the content of polar lipids and sterols in wheat leaves].

Composition of lipids and sterols in leaf tissues of winter wheat varieties with different drought resistance was investigated under the heat and water deficit. The data obtained have shown that the water deficit induced accumulation of sulpholipids and sitosterol accompanied by a decrease of stigmasterol in resistant plants. A decrease of monogalactosyldiacylglycerol, sulpholipid, phosphatidyl choline and sitosterol was observed against an increase of the stigmasterol content in the sensitive plants. The action of high temperature induced accumulation of sulpholipid, phosphatidyl glycerol, sitosterol and cholesterol accompanied by a decrease of campasterol and stigmasterol in a resistant variety. A sensitive variety was characterized by a decrease of sulpholipid and sitosterol.

Cholesterol↗