Bacterial culture was the first method used to describe the human microbiota, but this
method is considered outdated by many researchers. Metagenomics studies have since …

SUMMARY A pure bacterial culture remains essential for the study of its virulence, its
antibiotic susceptibility, and its genome sequence in order to facilitate the understanding …

The class Alphaproteobacteria is comprised of a diverse assemblage of Gram-negative
bacteria that includes organisms of varying morphologies, physiologies and habitat …

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 …

Scrub typhus and tropical rickettsioses : Current Opinion in Infectious Diseases Scrub typhus
and tropical rickettsioses : Current Opinion in Infectious Diseases Log in or Register Subscribe …

We propose genetic guidelines for the classification of rickettsial isolates at the genus,
group, and species levels by using sequences of the 16S rRNA (rrs) gene and four protein …

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 …

Abstract Al. pha. pro. te. o. bac. te′ ri. a. Gr. n. alpha name of first letter of Greek alphabet;
Gr. n. Proteus ocean god able to change shape; Gr. n. bakterion a small rod; ML fem. pl. n …

Rickettsiae cause some of the most severe human infections, including epidemic typhus and
Rocky Mountain spotted fever. Substantial progress has been made in research into the …