Pseudomonas fragi

Pseudomonas fragi is a psychrophilic, Gram-negative bacterium that is responsible for dairy spoilage. Unlike many other members of the genus "Pseudomonas", "P. fragi" does not produce siderophores. Optimal temperature for growth is 30 °C, however it can grow between 0 and 35 °C. Based on 16S rRNA analysis, "P. fragi" has been placed in the "P. chlororaphis" group.