Although creatinine is, other than urea, the most important nitrogenous end product excreted by many animals, very little is known about its metabolic pathway in soil bacteria. Some incomplete studies have been made by early workers (Ackerman, 1913, Linneweh, 1930), mostly with putrefactive bacteria, and they claimed to have identified, besides ammonia, methyl-hydantoin as an end product. Dubos...
