Nature, Volume 260Sir Norman Lockyer Macmillan Journals Limited, 1976 |
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Página 42
... plasmid pSL222-6 were introduced into a cage of 18 chickens previously fed tetracycline and excreting tetracycline - resistant E. coli . Spread of Nal® E. coli was followed by replica plating initial faecal samples , from MacConkey agar ...
... plasmid pSL222-6 were introduced into a cage of 18 chickens previously fed tetracycline and excreting tetracycline - resistant E. coli . Spread of Nal® E. coli was followed by replica plating initial faecal samples , from MacConkey agar ...
Página 189
... plasmid - as might be ex- pected , a portion of the gene coding for the protein haemoglobin . In the event , the recombinants obtained well illustrate the tremendous technical use- fulness of genetic engineering , with little of the ...
... plasmid - as might be ex- pected , a portion of the gene coding for the protein haemoglobin . In the event , the recombinants obtained well illustrate the tremendous technical use- fulness of genetic engineering , with little of the ...
Página 223
... plasmid AA 115 Fig . 2 General scheme for production of globin plasmids . Step one : mColE1 was prepared by the procedure described and EcoRI was prepared by the method of Yoshimori16 . mColE1 DNA ( 20 μg ) was digested with EcoRI ( the ...
... plasmid AA 115 Fig . 2 General scheme for production of globin plasmids . Step one : mColE1 was prepared by the procedure described and EcoRI was prepared by the method of Yoshimori16 . mColE1 DNA ( 20 μg ) was digested with EcoRI ( the ...
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