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Where did insects come from?
Date:2/16/2010

iversity they faced, used DNA sequence information from as many genes as they could. In the end, they were able to apply data from 62 protein-coding genes to the problem, leading to an extremely well-supported analysis.

"The Museum's collection of arthropods, and in particular its collection of crustaceans, are what made a study like this possible in the first place," says Dr. Joel W. Martin, NHM Curator of Crustacea and one of the authors who designed the study nearly eight years ago. "The wealth of stored biodiversity information contained in it, both in terms of specimens and in terms of the data, theories, and research related to those specimens, are why natural history museums exist, and why they play such a critical role in explaining the world's diversity. Studies like this confirm the incredible value, not only of existing natural history museum collections, but of continuing to add to these collections every year."

A key problem that the research team had to solve was obtaining specimens of some of rare and obscure organisms whose DNA was needed for the analysis. Because of their extensive experience in field biology, this was a major contribution to the project from NHM scientists. Dr. Wetzer recalls lying on the beach with a microscope at Woods Hole, Massachusetts. She was hunting for specimens of a tiny, little-known crustacean that lives between grains of sand. "I got the mystacocarids we needed, but I think I also provided pretty good entertainment to the families at the beach that day," Dr. Wetzer said.


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Contact: Kristin Friedrich
kfriedri@nhm.org
213-763-3532
Natural History Museum of Los Angeles County
Source:Eurekalert  

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