Does E coli test positive for urease?
This enzyme hydrolyzes urea into ammonia, water and carbon dioxide. Since most stool pathogens, particularly Salmonella, Shigella, and Escherichia coli, are urease-negative, it can be useful to determine an organisms urease activity. A notable exception to this is Yersinia enterocolitica, which is urease-positive.Click to see full answer. Just so, which bacteria is urease positive?Urease-positive pathogens