Query: NC_011852:211314 Haemophilus parasuis SH0165, complete genome Lineage: Haemophilus parasuis; Haemophilus; Pasteurellaceae; Pasteurellales; Proteobacteria; Bacteria General Information: This organism is the causative agent of Glasser's disease in swine but is usually found as a commensal organism in the upper respiratory tract. Glasser's disease is responsible for significant losses in swine husbandry. The disease was first noted in 1910 by Glasser and the organism requires factor V (NAD - nicotinamide adenine dinucleotide) growth factor, like H. suis, but not factor X (iron porphyrin) which H. suis requires. Pathogenicity and virulence are often strain specific. Symptoms include fibrinous polyserositis (fibrous inflammation of serous membranes, polyarthritis (inflammation of multiple joints) and meningitis (inflammation of meninges)and pneumonia.
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General Information: This strain was isolated from an infected goat and is pathogenic in humans. Causes brucellosis and undulant fever. They are highly infectious, and can be spread through contact with infected animal products or through the air, making them a potential bioterrorism agent. Once the organism has entered the body, it can become intracellular, and enter the blood and lymphatic regions, multiplying inside phagocytes before eventually causing bacteremia (spread of bacteria through the blood). Virulence may depend on a type IV secretion system which may promote intracellular growth by secreting important effector molecules. This organism is a facultative intracellular bacteria that causes abortion in wild and domestic animals, usually goats or sheep, and undulant fever in humans. Brucellosis is a major health problem in the Mediterranean region and parts of Asia, Africa, and Latin America, where it causes severe economic losses. The disease is transmitted to humans by nonpasteurized milk and milk products or by direct contact with infected animals or carcasses.