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Question

Insulin, interferons and somatostatin are synthesised using pBR322 plasmids of

A
Bacillus subtilis
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B
Escherichia coli
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C
Streptomyces
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D
All of the above
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Solution

The correct option is B Escherichia coli
  • pBR322 is a widely-used E. coli cloning plasmid vector.
  • It was created in 1977 in the laboratory of Herbert Boyer at the University of California San Francisco. The p stands for " plasmid " and BR for "Bolivar " and " Rodriguez ", researchers who constructed it.
  • By using pBR322 plasmid of E.coli Insulin, interferons and somatostatin can be synthesized through the genetic engineering procedure.
  • So, the correct answer is 'Escherichia coli'.

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