ID#: 12446
Caption:
This photograph depicts the colonial morphology displayed by Gram-negative, Francisella tularensis bacteria, which were grown on a medium of modified Thayer-Martin (MTM) agar, for a 48-hour time period, at a temperature of 37°C. Take a look at PHIL 12444 and 12445, which depict the appearance of F. tularensis colonies grown on the same medium, and at the same temperature, but for half the time (24hr). Also see PHIL 12447, for the appearance of bacterial colonies, again, grown on the same medium, and at the same temperature, but for a greater time period (72hr). This bacterium is both an animal, and a human pathogen, and is responsible for causing the disease known as tularemia.
High Resolution: Click here for hi-resolution image (13.78 MB)
Content Provider(s): CDC/ Amanda Moore, MT; Todd Parker, PhD; Audra Marsh
Creation Date: 2010
Photo Credit: Pete Seidel
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.