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An eye gene colors butterfly wings red
Date:7/21/2011

in red patterns between species using these stains.

They combed genetic librariesgene banks to see if the gene they found matched genes characterized in other studies. "We found that the same gene that codes for the red in Heliconius wings was already identified as a gene called optix that is involved in eye development in other organisms," said co-author Heather Hines, "It is intriguing that the ommochrome pigments that color these wings red are also expressed in the eye. How the optix gene codes for wing color raises a host of new questions."

"Tropical biologists have been striving for centuries to explain what it is that makes life in the tropics so biologically diverse," said STRI Director, Eldredge Bermingham, "Now this group has discovered that a single gene underlies one of the most spectacular evolutionary radiations in nature! Perhaps the genetic basis for diversity will turn out to be far more simple than we expected."


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Contact: Beth King
kingb@si.edu
716-357-9075
Smithsonian Tropical Research Institute
Source:Eurekalert  

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