geeks.thedailywh.at - glow-in-the-dark-cats-of-the-day
glowing cats - mirror.co.uk
sorry for the mirror link
quote from http://www.theregister.co.uk/2011/09/12/best_cat_ever/
To create the luminous FIV-proof cats, the unfertilised eggs of a cat were injected with DNA proteins from a rheus macaque monkey and glow-in-the-dark jellyfish genes. The two pieces of genetic material were joined together so that the fluorescent jellyfish protein could be used to track their take-up by the cat
EDIT : make sure to read CAT-THE-FIFTHs post too - its the one below. he adds more links, even found the original article which i missed in my sleep depraved state