Query: NC_009668:445134 Ochrobactrum anthropi ATCC 49188 chromosome 2, complete sequence Lineage: Ochrobactrum anthropi; Ochrobactrum; Brucellaceae; Rhizobiales; Proteobacteria; Bacteria General Information: Soil bacterium that can cause opportunistic infections. Ochrobactrum anthropi is an opportunistic human pathogen usually causing infection in association with indwelling medical devices, such as catheters and drainage tubes. This organism and related species have also been isolated from soil, activated sludge, and plants. Ochrobactrum anthropi is a Gram-negative, anaerobic, motile bacterium. A common soil bacteria, it was originally considered as an opportunistic pathogen, causing infections in immunocompromised patients, patients with indwelling catheters or peritoneal dialysis but it is now emerging as a more and more important nosocomial pathogen. The first case of human infection was described in 1980. It has been isolated from blood, the urogenital tract, respiratory tract and eyes, and it can be part of the normal intestinal flora. It is resistant to many antibiotics, especially the beta-lactams.
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General Information: This strain was isolated in 1984 from a patient in Beijing, China. It is similar to pathogenic Escherichia coli except for the more numerous insertion sequences and contains a virulence plasmid (pCP301). Causes enteric disease. Shigella This genus is named for the Japanese scientist (Shiga) who discovered them in the 1890s. They are closely related to the Escherichia group, and may be considered the same species. are human-specific pathogens that are transmitted via contaminated food and water and are the leading causes of endemic bacillary dysentery, and over 1 million deaths worldwide are attributed to them. The bacteria infect the epithelial lining of the colon, causing acute inflammation by entering the host cell cytoplasm and spreading intercellularly. are extremely virulent organisms that require very few cells in order to cause disease. Both the type III secretion system, which delivers effector molecules into the host cell, and some of the translocated effectors such as the invasion plasmid antigens (Ipas), are encoded on the plasmid. The bacterium produces a surface protein that localizes to one pole of the cell (IcsA) which binds to and promotes actin polymerization, resulting in movement of the bacterium through the cell cytoplasm, and eventually to neighboring cells, which results in inflammatory destruction of the mucosal lining. This organism, along with Shigella sonnei, is the major cause of shigellosis in industrialized countries and is responsible for endemic infections.