BACKGROUND: Rickettsia raoultii is a novel Rickettsia species recently isolated from Dermacentor ticks and classified within the spotted fever group (SFG). The inability of R. raoultii to spread within L929 cells suggests that this bacterium is unable to polymerize host cell actin. a property exhibited by all SFG rickettsiae except R. https://safeersappliancers.shop/product-category/hide-single-oven-60cm/