Query: NC_016887:1093609 Nocardia cyriacigeorgica GUH-2, complete genome Lineage: Nocardia cyriacigeorgica; Nocardia; Nocardiaceae; Actinomycetales; Actinobacteria; Bacteria General Information: Isolated from a fatal human nocardiosis case at Washington DC, USA in the 1970s. Human pathogen. Nocardia cyriacigeorgica is a filamentous actinobacteria, frequently isolated from diseased human and animal tissues. N. cyriacigeorgica is the most prevalent species responsible for nocardiosis in North America, while placing fourth in France.
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General Information: This organism was used to produce the antigen which was utilized for vaccine development. Causative agent of classic bovine tuberculosis. This genus comprises a number of Gram-positive, acid-fast, rod-shaped aerobic bacteria and is the only member of the family Mycobacteriaceae within the order Actinomycetales. Like other closely related Actinomycetales, such as Nocardia and Corynebacterium, mycobacteria have unusually high genomic DNA GC content and are capable of producing mycolic acids as major components of their cell wall. This bacterium is the causative agent of classic bovine tuberculosis, but it can also cause the disease in humans, especially if contaminated milk is consumed without prior pasteurization. The Mycobacterium bovis complex is a diverse group of species, serovars and morphotypes that cause tuberculosis-like diseases in animals and humans. Pasteurization of milk is a major preventitive factor in transmission of bovine tuberculosis to humans. However, spreading the disease through milk and dairy products is still a concern in underdeveloped countries where pasteurization is not practiced.