Gene Transfer

Moving Gene In Plant Results In Increased Production Of Amino Acid

Published in Gene Therapy Weekly, October 18th, 2001

By placing a nuclear gene in another location - its original home in a plant - researchers have successfully enhanced the production of an essential amino acid.

The work suggests that alterations of biosynthetic pathways could guide plants to produce more of a desired dietary component. In this case, tobacco produced 10 times its usual amount of tryptophan - an amino acid often in short supply in the human diet and vital for the production of serotonin in the brain.

Scientists inserted the gene, known to produce the control enzyme involved in tryptophan production, into the chloroplast genome. Chloroplasts are the chlorophyll containing plastids...

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Source: Gene Therapy Weekly (2001-10-18)

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