via bbc.co.uk
Cats that have been genetically modified to glow in the dark are being used to gain insights into Aids.
The scientists inserted one gene into the cats that helps them resist the feline form of Aids.
They also inserted a gene that produces a fluorescent protein called GFP, Nature Methods journal reports.
This protein - which is produced naturally in jellyfish - is commonly used in this area of research to monitor the activity of altered genes.
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