Nocardia sp. - Gram-positive, rod prokaryote (bacterium)
Copyright 2008 Dennis Kunkel Microscopy, Inc.
Caption: Nocardia sp. - Gram-positive, aerobic, rod prokaryote (bacterium). Nocardia is a genus of Gram-positive, catalase-positive, aerobic, non-sporulating. rod-shaped bacteria. Some species are non-pathogenic; some species are pathogenic. Nocardia bacteria are found worldwide in rich organic soil. Nocardia asteroides is the species most frequently infecting humans (nocardiosis) and is a rare and often fatal lung infection which can be mistaken as tuberculosis. Most Nocardia infections are acquired by inhalation of the bacteria. Human infections are usually opportunistic infections in immunocompromised patients. Human nocardial disease is a slowly progressive pneumonia, whose common symptoms include cough, dyspnea (shortness of breath), and fever. Magnification*: x1,600 Type: SEM
*(Magnifications are based on a 35mm slide image of 24mm in the narrow dimension.)