Poison Becomes Food: Worm Lives On Carbon Monoxide And Sewer Gas
Tuesday, April 17, 2012 - 16:00
in Physics & Chemistry
A small marine worm, Olavius algarvensis, is faced with a scarce food supply in the sandy sediments it lives in off the coast of Elba, so it must deal with a highly poisonous menu: it lives on carbon monoxide and hydrogen sulfide.O. algarvensis can thrive on these poisons thanks to millions of symbiotic bacteria that live under its skin. The bacteria use the energy from carbon monoxide and hydrogen sulphide to produce food for the worm, just like plants do by fixing carbon dioxide into carbohydrates - but instead of using light energy from the sun, the symbionts use the energy from chemical compounds like carbon monoxide. read more