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Paper wasps and honey bees share a genetic toolkit
Date:4/27/2010

r division of labor.

A previous study of paper wasps by Robinson, Toth and their colleagues obtained a partial sequence of the wasp genome and looked at the expression of 32 genes. That analysis, published in Science in 2007, showed that as in honey bees most of the targeted genes are activated differently in different groups of paper wasps. But those genes were hand-picked because they were important to honey bees, Robinson said. For this reason, the team wanted to take a second look at the broad array of genes in the wasp to be sure that the pattern they had identified was indeed special to wasps as well as bees.

Crop sciences professor Matt Hudson, the team's bioinformatics expert, used a computer algorithm to mine the sequencing data from the previous study to design a microarray. The microarray allowed the researchers to simultaneously measure those genes that were most active in the paper wasp brain.

"We expect that Polistes has got somewhere in the range of 10,000 genes, and we expect that at least half of them, but not all of them, would be expressed in the brain," said Hudson, who also is a professor in the Institute for Genomic Biology. The effort identified more than 4,900 genes that were active in the wasp brain.

The new analysis confirmed that the same genes and gene regulators that are important to the division of labor within a honey bee hive also are used by the wasps as they take on different roles in the nest.


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Contact: Diana Yates
diya@illinois.edu
217-333-5802
University of Illinois at Urbana-Champaign
Source:Eurekalert  

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