- Although anammox caused a sensation in the 1990s when it was discovered, scientists have only just stumbled on its ability to produce hydrazine.
- The hydrazine discovery piqued NASA's interest, but excitement faded when it was realized only very small quantities of the compound were produced.
Scientists on Sunday said they had 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 - for 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 the British science journal Nature, researchers at Radboud University Nijmegen in the Netherlands reported they had identified the molecular mechanism by which the bugs do their fuel-trick.
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"Proving this was quite a feat," said Mike Jetten, professor of microbiology at the university's Institute for Water and Wetland Research.