Query: NC_016011:678419 Listeria ivanovii subsp. ivanovii PAM 55, complete genome Lineage: Listeria ivanovii; Listeria; Listeriaceae; Bacillales; Firmicutes; Bacteria General Information: Listeria ivanovii is an animal pathogen that causes abortions and stillbirths in ruminants, primarily sheep. This organism produces a number of virulence factors including hemolysin, sphingomylelinase, and phospholipase. Like other Listeria species, Listeria ivanovii is found in soil, water, and sewage.
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General Information: This strain was isolated from stool samples from an outbreak that involved three individuals in Nebraska, USA 1996. This organism is a soil-dwelling opportunistic pathogen that causes food poisoning in infected individuals. The rapid onset is characterized by nausea and vomiting while the late onset is characterized by diarrhea and abdominal pain. The emetic disease is caused by a small stable dodecadepsipeptide cerulide whereas the diarrheal disease is caused by a heat labile enterotoxin. Some strains produce a potent cytotoxin that forms a pore in the membrane of eukaryotic cells and causes necrotic enteritis (death of intestinal epithelial cells) while the unique tripartite membrane lytic toxin hemolysin BL contributes to the diarrheal disease and destructive infections of the eye.