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Scientists reveal the lifestyle evolution of wild marine bacteria
Date:5/22/2008

of organisms from different environments and figuring out their underlying habitats. In essence, we modeled the evolution of a microbes lifestyle over millions of years.

One splendid example of the difficulty of applying the term species to a single-celled creature: 17 of those 25 populations are called V. splendidus, a name that was previously assigned to them based on classical taxonomic techniques. Alm and Polz can see now that V. splendidus has differentiated into several ecological populations.

Alm and Polz believe they caught at least one of those V. splendidus populations in the act of switching from one ecological niche (thriving on zooplankton) toward a new niche (attaching to small organic particles). Of course, this process takes millions of years, so the current population of scientists may never know for certain.


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Contact: Denise Brehm
brehm@mit.edu
617-253-8069
Massachusetts Institute of Technology, Department of Civil and Environmental Engineering
Source:Eurekalert  

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