Scot Bastian Ph.D.
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Glowing Sheep. Insomniacs Rejoice the Creation of Little Glo-Peep!

4/28/2013

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Picture
The time-tested palliative of sheep-counting for sleeplessness has a significant technical problem: it is difficult to see the sheep at night. Fortunately, a research team in Uruguay has made a major breakthrough to solve this stubborn problem. They have engineered fluorescent sheep. Sheep have now joined a list of several animals, that include mice, cats, flies, rabbits, pigs and zebrafish  that have had a green fluorescent protein (GFP) gene, originally derived from a jellyfish, introduced into their genome. Insomniacs may now count sheep without turning on the light and potentially disturbing their partners.  
    On a more serious note, GFP has been used for several years as an important tracer in molecular biology experiments. It discoverers were awarded a Nobel prize in 2008. The original gene has been genetically modified to create a stronger signal, "enhanced" GFP, and it has even been modified to produce at least eight different fluorescent colors. I recommend the Wiki entry for GFP if you want more information on this interesting tool, that is not only very useful to molecular biologists, but ranks way-high on the kewl factor.

1 Comment
Carl Nelson link
4/29/2013 02:49:39 am

Love the golden sheep! Reminds me of Jason and the Argonauts.

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    Scot Bastian Ph.D. is a scientist and artist who lives in Seattle WA.

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