ID#: 15644
Caption:
Under a magnification of 20X, this image depicts a number of Gram-positive, Sterne-strain, Bacillus anthracis bacterial colonies, which had been cultivated on a blood agar plate (BAP), and incubated for a 24-hour time period at a temperature of 35 °C. Of particular note was the classic ground glass texture exhibited by the colonies, resembling a pile of glass shards. As they continued to grow, and their edges touched, you can see that these colonies had coalesced, destroying their originally well-demarcated borders.
High Resolution: Click here for hi-resolution image (23.07 MB)
Content Provider(s): CDC/ J. Todd Parker; PhD
Creation Date: 2013
Photo Credit: J. Todd Parker; PhD and Luis Lowe; MS; MPH
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.