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As a closer view of PHIL 12440, this photograph depicts the colonial morphology displayed by Gram-negative, Francisella tularensis bacteria, which were grown on a medium of chocolate agar, for a 72-hour time period, at a temperature of 37°C. Take a look at PHIL 12437 and 12438 depicting the appearance of F. tularensis colonies grown on the same medium, and at the same temperature, but for one-third the time (24hr). Also see both PHIL 12438 and 12439, for the appearance of bacterial colonies, again, grown on the same medium, and at the same temperature, but for a lesser time period of 48hr.
High Resolution: Click here for hi-resolution image (18.28 MB)
Content Providers(s):CDC/ Amanda Moore, MT; Todd Parker, PhD; Audra Marsh
Creation Date:2010
Photo Credit:Pete Seidel
CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.