Biochemical conditionality of differentiation of halophytes by the type of regulation of salt metabolism in Prieltonye

The elemental composition and the content of pigments, proteins, lipids, free amino acids, and antioxidants of five wild halophyte species in Prieltonye were investigated. Plants differed in systematic location (Chenopodiaceae, Plumbaginaceae, Asteraceae), the type of regulation of salt metabolism (...

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Bibliographic Details
Published in:Contemporary problems of ecology 2016, Vol.9 (1), p.98-106
Main Authors: Rozentsvet, O. A, Nesterov, V. N, Bogdanova, E. S, Tabalenkova, G. N, Zakhozhiy, I. G
Format: Article
Language:English
Subjects:
Amino acids
Antioxidants
Artemisia
Asteraceae
Biomedical and Life Sciences
calcium
Chemical composition
Chenopodiaceae
cluster analysis
Ecology
elemental composition
free amino acids
grasses
Halocnemum strobilaceum
halophytes
Life Sciences
Limonium
Limonium gmelinii
lipid peroxidation
Lipids
metabolism
Peroxidation
Pigments
Plumbaginaceae
potassium
proline
Proteins
Salicornia
Salts
shrubs
sodium
Soils
Suaeda
superoxide dismutase
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Summary:The elemental composition and the content of pigments, proteins, lipids, free amino acids, and antioxidants of five wild halophyte species in Prieltonye were investigated. Plants differed in systematic location (Chenopodiaceae, Plumbaginaceae, Asteraceae), the type of regulation of salt metabolism (eu-, cryno, and glycohalophytes), life form (annual grasses, shrubs), and the water regime (mesoxerophytes, xeromesophytes). A decrease in the ion content of K, Na, Ca among Suaeda linifolia > Salicornia perennans > Halocnemum strobilaceum > Limonium gmelinii > Artemisia santonica was noted. The reversed pattern was observed for the content of C. The increase in the total content of C in glyco-, cryno-, and euhalophytes was accompanied by an increased content of total and membrane lipids, proteins, and pigments. Halophytes varied considerably in terms of components of the antioxidant system—the content of endogenous proline, soluble protein, and lipid peroxidation and the level of total SOD activity. Cluster analysis revealed that the differentiation of the studied halophyte species by the type of regulation of salt metabolism was mostly determined by biochemical parameters.
ISSN:1995-4255
1995-4263
DOI:10.1134/S1995425516010133