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Human Health And Disease

Question
CBSEENBI12002685
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Human insulin is being commericially produced from a transgenic species of 

  • Escherichia

  • Mycobacterium 

  • Rhizobium

  • Saccharomyces

Solution

A.

Escherichia

In 1983 an American company Eli Lily produced the first genetically engineered insulin by first synthesizing two DNA sequences corresponding to A and B insulin chains. The two DNA sequences or genes were made to fuse wit plasmids of Escherichia coli and alter allowed to form insulin chains.
Rhizobium is a Gram-negative, aerobic, motile, non-spore forming symbiotic nitrogen-fixing bacterium. It is an acute bacterial infection of the lungs lymph and meninges. 
Saccharomyces cerevisiae is known as Baker's Yeast and Saccharomyces ellipsoids is wine yeast a these are used in baking and brewing industry respectively.

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