Yersinia pestis "needle"
Image by: Andrew Houppert
This micrograph shows the needle-like structure the bacterium Yersinia pestis uses to attack host cells. IU Bloomington biologist Melanie Marketon studies the type III secretion system, which produces the needle structure. Marketon's work could lead to new treatments for diseases caused by the bacterium. This image was created with the Indiana Molecular Biology Institute's JOEL 1010 transmission electron microscope.2009Image by: Andrew HouppertYersinia pestis "needle"
Copyright Holder: Image by: Andrew Houppert
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