Anthrax is an infection caused by the bacterium "Bacillus anthracis". This bacterium, an emerging pathogen, produces AHLs. Infection with the bacterium causes the disease botulism. Cholera is an infection of the small intestine caused by the bacterium "Vibrio cholerae". Bubonic plague is one of three types of plague caused by bacterium "Yersinia pestis". Bacteriophages are viruses that infect and replicate within a bacterium. Tetanus is caused by the tetanus bacterium "Clostridium tetani". The symptoms are due to a toxin produced by the bacterium. The resulting bacterium, named Mycoplasma laboratorium, could replicate and produce proteins. Typhoid fever is an ailment caused by the bacterium "Salmonella enterica" ser. A infection caused not by the bacterium itself. Pseudomonas putida is a Gram-negative, rod-shaped, saprotrophic soil bacterium. Proteus mirabilis is a Gram-negative, facultatively anaerobic, rod-shaped bacterium. It is a fastidious, facultative intracellular bacterium, which requires cysteine for growth. In animals, erysipelas is a disease caused by infection with the bacterium "Erysipelothrix rhusiopathiae".