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Re: Even more testing


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Posted by Merry on July 06, 2012 at 12:58:17:

In Reply to: More testing posted by Merry on July 06, 2012 at 10:02:00:

A closer look at the bell margin reveals pale green photoreceptors, which contain the famous green fluorescent protein (GFP).

Photobucket


Coupled with and activated by another protein, GFP emits green bioluminescence in a narrow ring around the umbrella. The luminescence can only be seen under ultraviolet light. Here’s a cool image of the jelly as the light source changes:

It was from these photoorgans that GFP was first isolated by Osamu Shimomura in 1962.




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