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Deaths in the family cause bacteria to flee
Date:6/29/2010

d for your species or your type than to be sensitive to the deaths of your close relatives? Generally, biofilms are good for bacteria. But when your siblings are starting to die around you, you know it's time to find a better place to live."

But a major mystery remains, says postdoctoral fellow David Kysela, a co-author of the paper.

"How does Caulobacter discriminate between its siblings' DNA and other DNA in the environment?" Kysela asked. "Clearly there's something special about Caulobacter DNA, since swimming cells ignore DNA from unrelated species. Everything we've seen so far indicates that something about the particular sequence of Caulobacter DNA is responsible, but we're still digging. A lot of bacterial species use a similar holdfast to stick to surfaces and form biofilms. It will be interesting to see if these species also respond to their own DNA."


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Contact: David Bricker
brickerd@indiana.edu
812-856-9035
Indiana University
Source:Eurekalert  

Page: 1 2 3

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