FIELD: biotechnology. SUBSTANCE: recombinant plasmid DNA pG21 carrying chromosomal gene copy together with sequence encoding transient peptide is reconstructed. Method ensures to prepare plant showing resistance to viral infection. Proposed plasmid has a size 9.1 thousand nucleotide pairs (tnp) and consists of the following fragments: DNA vector plasmid PGS H 160, size is 8.5 tnp, HindIII-Bam HI-fragment of DNA that is a fragment of human b-interferon chromosomal gene; gene bla encoding b-lactamase; gene Sm/Sp encoding resistance to streptomycin and spectomycin; gene NP, TII encoding neomycin phosphotransferase II providing resistance of transgenic plants to kanamycin, and promoters PT1 and PT2. Proposed recombinant plasmid DNA pG21 encodes synthesis of human b-interferon in plants that ensures to prepare plants showing resistance to viral infection. EFFECT: preparing plasmid indicated above. 4 dwg
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SU1547316A3 |
Authors
Dates
1995-05-20—Published
1993-06-23—Filed