SCOTT CAMAZINE / SCIENCE PHOTO LIBRARY SCOTT CAMAZINE / SCIENCE PHOTO LIBRARY
An electron micrograph of spores from the Sterne strain of Bacillus anthracis bacteria. A key characteristic of the Sterne strain of B. anthracis is the wrinkled surface of the protein coat of these bacterial spores. These spores can live for many years which, enables the bacteria to survive in a dormant state.
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