1. 
   rhodospirillaceae
   Phototrophic bacteria isolated from stagnant water and mud. ... (12 Dec 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?rhodospirillaceae
   
   
2. 
   Rhodospirillaceae
   This family also includes Magnetospirillum, which contains tiny chains of magnetite. These let it sense the Earth`s magnetic field, which runs downwards as well as north or south, to return to the bottom of a pond (magnetotaxis). Similar magnetite chains found in Martian meteorites have been sugges...
   Found op http://en.wikipedia.org/wiki/Rhodospirillaceae
   
   

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