Guanidine is one of the most nitrogen-rich compounds. It could be a valuable source of organic nitrogen, but only very few organisms can access it. However, certain bacteria manage to obtain nitrogen from guanidine. A Konstanz-based research team led by chemist Professor Jörg Hartig and biologist Professor Olga Mayans has now discovered how this works. A newly discovered enzyme plays a key role—and, surprisingly, so does nickel. The research results were published on 9 March 2022 in the scientific journal Nature.
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Source: Phys.org