| rickettsia africae in hyalomma dromedarii ticks from sub-saharan algeria. | spotted fever group (sfg) rickettsioses are caused by obligate, intracellular gram-negative bacteria of the genus rickettsia. in recent years, several species and subspecies of rickettsias have been identified as emerging pathogens throughout the world, including sub-saharan africa. we report here the detection of rickettsia africae, the agent responsible for african tick-bite fever, by amplification of fragments of glta and ompa genes and multi-spacer typing from hyalomma dromedarii ticks colle ... | 2012 | 23164496 |