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Tiny talk on a barnacle's back
Date:5/10/2011

ped off the slimy surfaces of a barnacle attached to the Scripps Pier. The resulting images, produced after careful preparation, offered new revelations.

"One of the things we see that we haven't with other techniques is that the dialog between microbes is multiplexed," said Dorrestein. "There are many conversations going on at the same time, many changes happening at the same time. We see competition for resources such as iron, but also that microbes secrete molecules that alter the phenotypes (sets of observable characteristics) of neighboring organisms."

Dorrestein said the ability to better visualize the vastly complex world of microbial communication is changing the ways scientists investigate how two or more microbes are studied and eventually engineered.

"Rather than enumerating which microbes are present, as in many metagenomic efforts, our current approach is anticipated to address the why, when and how questions of microbial interactions instead of just the who," Dorrestein said.


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Contact: Scott LaFee
slafee@ucsd.edu
619-543-6163
University of California - San Diego
Source:Eurekalert  

Page: 1 2

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