Query: NC_007799:392355 Ehrlichia chaffeensis str. Arkansas, complete genome Lineage: Ehrlichia chaffeensis; Ehrlichia; Anaplasmataceae; Rickettsiales; Proteobacteria; Bacteria General Information: This strain is the first isolate of Ehrlichia chaffeensis, which was obtained from a patient on an army base in Arkansas, USA in 1990. Causes disease in humans. This organism is an obligate intracellular pathogen that exists within vacuoles in the cytoplasm of monocytes or granulocytes. Transferred during an insect (tick) bite, it can cause disease in humans (human monocytic ehrlichiosis) and can reside in several other animals and is a problem in immunocompromised patients. The bacterium inhibits phagosome-lysozome fusion as well as programmed cell death (apoptosis) of the host cell, similar to what is observed with Anaplasma phagocytophilum.
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General Information: Isolation: Patient with rat-bite fever in France; Temp: Mesophile; Temp: 37C; Habitat: Host. Streptobacillus moniliformis causes rat bite fever, a systemic illness characterized by fever, chills, and joint pain which can progress to endocarditis, meningitis or pneumonia if left untreated. Although infection is usually associated with a rodent bite, this disease can be caused by ingestion of contaminated food or water. Streptobacillus moniliformis is the causative agent of rat bite fever in North and South America while a different organism, Spirillum minus, is primarily responsible for this disease in Asia and other countries.