#ABC Science Home publisher News in Science: Latest Skip to navigation | Skip to content Search: Keywords____________ ABC Search * ABC Home * Radio * TV * Shop * News * Sport * Local * Children * Science * Environment * more Topics * help ABC Science Site Navigation * Video * Audio * Photos * Explore by topic + Ancient Worlds + Being Human + Energy & Transport + Environment & Nature + Health & Medical + Innovation & Technology + Space & Astronomy * News in Science + Latest News in Science + News Analysis + StarStuff + News Archive + Tag library * In Depth + Science Features + Nature Features + Opinion + Meet a Scientist + Analysis + Indepth Features Archive * Dr Karl + Great Moments in Science + Dr Karl on triplej + Karl Trek + Sleek Geeks + School's video prize + Self-Service Science forum + Karl Who? * Ask an Expert + Latest Ask an Expert + Self Service Science Forum + Scribbly Gum Nature Forum + Tech Talk Forum * Bernie's Basics * Quizzes & Games + Science Quizzes + Science Games + The Surfing Scientist + Experiments * Teaching Science + Lesson Plans + Conundrums + Demonstrations + Teachers' Resources Pilot + Careers + Ace Day Jobs + Talking Science + Catapult on triplej * Events * Share * Print News in Science Urine-loving bug churns out space fuel Monday, 3 October 2011 AFP __________________________________________________________________ Chemistry beaker containing urine-looking sample The bacteria could be used to produce biofuel, cleaning up sewerage sludge in the process (Source: Steve Goodwin/iStockphoto) Related Stories * Juiced-up bug builds better biofuel, Science Online, 09 Dec 2008 * Fungus breathes life into biofuels, Science Online, 05 Nov 2008 * Recycling urine answer to P supply, Science Online, 10 Jul 2007 Pee power Scientists say they have gained insights into a remarkable bacterium that lives without oxygen and transforms ammonium, the ingredient of urine, into hydrazine, a rocket fuel. So-called anammox, or anaerobic ammonium oxidation, germs caused a sensation when they were first identified in the 1990s, but uncovering their secrets is taking time. In a letter published by in the journal Nature , researchers at Radboud University Nijmegen in the Netherlands report they have identified the molecular mechanism by which the bugs do their fuel-trick. "Proving this was quite a feat," says Professor Mike Jetten, a microbiologist at the university's Institute for Water and Wetland Research. "We had to deploy a range of new experimental methods. In the end, we managed to isolate the protein complex responsible for hydrazine production, a beautifully red mixture." The team's work initially piqued NASA's interest, but this faded when the US space agency learned that only small quantities of precious hydrazine are produced, "nothing like enough to get a rocket to Mars," says Jetten. "Now we are accurately determining the crystal structure of the protein complex. Perhaps we can improve the production process if we have a better understanding of how the protein complex fits together." Anammox is now used commercially in water purification because it is so energy-efficient in breaking down ammonia. It also has potential applications as a biofuel, cleaning up sewerage sludge without the need for pumps to provide air, and providing methane in return. 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