FIELD: molecular biology, agriculture, food industry. SUBSTANCE: DNA structures of gene encoding fructosyl transferase are inserted into plant genome and therefore they modify the pattern of fructans distribution in their. Transgenic plants are prepared by regeneration from transformed vegetable cell. Prepared plants show enhanced productivity as compared with nontransformed ones grown under stress conditions - in drought, illumination deficiency, decreased temperatures and this property is associated with increased fructans content. DNA structures ensure to obtain plants with fructans exhibiting enhanced degree of polymerization and these fructans can be used in industrial production by large-scale schedule. EFFECT: improved method of transgenic plants preparing, increased content of fructans. 22 cl, 9 dwg, 9 ex
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