General Information: Arcobacter butzleri RM4018 was isolated from a human patient with gastroenteritis. Causes gastroenteritis in humans. Arcobacter butzleri is a member of the family Campylobacteraceae, related to the human pathogenic Campylobacter spp. and the environmental Sulfurospirillum spp. A. butzleri is mainly found in livestock and water/marine environments and can cause gastroenteritis and bacteremia in humans.