Query: NC_011138:1005872 Alteromonas macleodii 'Deep ecotype', complete genome Lineage: Alteromonas macleodii; Alteromonas; Alteromonadaceae; Alteromonadales; Proteobacteria; Bacteria General Information: Alteromonas macleodii 'Deep ecotype' was isolated from seawater obtained at a depth of 3500 meters from the Urania Basin in the Mediterranean Sea by plating. Alteromonas macleodii is an obligate marine bacterium isolated from both surface and deep seawater and often associated with particulate matter.
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General Information: This strain is an isolate from an epidemic that took place in China in the 1950s. Causes dysentery. This genus is named for the Japanese scientist (Shiga) who first discovered these organisms in the 1890s. They are closely related to the Escherichia group, and may be considered the same species. These organisms are human-specific pathogens that are transmitted via contaminated food and water and are the leading causes of endemic bacillary dysentery, causing over 160 million cases of infection and 1 million deaths yearly worldwide. 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 can cause an active infection after a very low exposure. 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. Shigella boydii is uncommon except in India, where it was first isolated. Progression to clinical dysentery occurs in most patients infected with this organism.