akabagel | Shared With: Everyone - Jun 11 2008 | evolution, bacteria, science, biology, awesome
Way cool
Quoted: Twenty years ago, evolutionary biologist Richard Lenski of Michigan State University in East Lansing, US, took a single Escherichia coli bacterium and used its descendants to found 12 laboratory populations.
Quoted: sometime around the 31,500th generation, something dramatic happened in just one of the populations – the bacteria suddenly acquired the ability to metabolise citrate, a second nutrient in their culture medium that E. coli normally cannot use.
- akabagel | Shared With: Everyone - Nov 12 2007 | biology, mrsa, Staph Infections, bacteria
I'm in ur bodee, blowen up ur sells
Quoted: The CA-MRSA strain secretes a kind of peptide -- a compound formed by amino acids -- that causes immune cells called neutrophils to burst, eliminating a main defense against infection, according to researchers.
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