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Taipova, R. M.; Nesterov, V. N.; Rozentsvet, O. A.; Kuluev, B. R.
Trudy po prikladnoj botanike, genetike i selekcii, 04/2022, Letnik: 183, Številka: 1Journal Article
Background. One of the important indicators of the nutritional value of amaranth is the high content of protein and lipids in seeds. Hence, obtaining and identifying such forms of amaranth through breeding, so that they also possessed resistance to abiotic stressors, is an important task. Materials and methods. Leaves and seeds of Amaranthus cruentus L. and mutants of the second inbred generation obtained by treatment with sodium azide were analyzed. The Bradford assay was used to measure the content of total soluble protein, lipid analysis was performed by thin-layer chromatography, the state of the antioxidant system was assessed according to catalase and peroxidase activities and the rate of superoxide anion formation. Mathematical data were processed using the Statistica 10.0 software. Results. The highest concentration of total protein in seeds was 13.78 mg/g in one of the mutants obtained after treatment with 3 mM sodium azide. Fifteen fatty acids were found in amaranth seeds, and in four mutants a significant increase in the percentage of omega-6 unsaturated linoleic acid was recorded. An increase in salt tolerance compared to the control was observed in mutants No. 2 and No. 3. Mutant No. 2 under salinization demonstrated higher peroxidase activity and mutant No. 3 higher catalase activity; both mutants showed a reduced rate of superoxide anion formation compared to the control. Conclusion. Amaranth mutants identified for higher stress resistance, protein content and linoleic acid content can be recommended for further breeding to produce new cultivars of amaranth with economically valuable traits.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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