During most of the 20th century, the epidemiology of tick-borne rickettsioses could be
summarized as the occurrence of a single pathogenic rickettsia on each continent. An …

Rickettsia are best known as strictly intracellular vector‐borne bacteria that cause mild to
severe diseases in humans and other animals. Recent advances in molecular tools and …

Between 1984 and 2004, nine more species or subspecies of spotted fever rickettsiae were
identified as emerging agents of tick-borne rickettsioses throughout the world. Six of these …

Rickettsia typhi, the causative agent of murine typhus, is an obligate intracellular bacterium
with a life cycle involving both vertebrate and invertebrate hosts. Here we present the …

The plastisphere has been widely studied in the oceans; however, there is little information
on how living organisms interact with the plastisphere in freshwater ecosystems, and …

As a result of migrations and globalization, people may face a possible increase in the
incidence of central nervous system rickettsial infections (CNS R). These diseases, caused …

Bacterial surface (S-) layers are crystalline arrays of self-assembling, proteinaceous
subunits called S-layer proteins (Slps), with molecular masses ranging from 40 to 200 kDa …

Evidence of spotted fever group (SFG) rickettsiae was obtained from flea pools and
individual ticks collected at three sites in northwestern Peru within the focus of an outbreak …

Rocky Mountain spotted fever (RMSF) remains an important illness despite an effective
therapy because it is difficult to diagnose and is capable of producing a fatal outcome. The …

Of all infectious diseases that the world has experienced, only a few have truly altered the
history of humankind. Taking its place with smallpox, plague, tuberculosis, and HIV …