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Gene-edited bananas
March 14 , 2025
4 hrs 0 min
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- The Scientists from United Kingdom are developing a new genetically-engineered banana which has a longer shelf-life, and does not brown as much.
- They claimed that their fruit remains fresh and yellow for 12 hours after being peeled.
- They made precise changes to existing banana genes such that the production of polyphenol oxidase is disabled.
- Bananas boast a colourful life cycle — they start at a deep green, change to a delicious yellow, and end (if not consumed beforehand) at an unappetising brown.
- These changes are a product of their ripening process, which is caused by a hormone called ethylene.
- The Contact with ethylene triggers the activity of a number of genes, including one which linked to the production of the enzyme polyphenol oxidase (PPO).
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