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Contact: Christopher Rucas
NYU Langone Medical Center / New York University School of Medicine

Segmented Filamentous Bacterium (SFB) Colony

Caption: A little-known bacterial species called segmented filamentous bacterium, or SFB, can activate the production of specialized immune cells in mice. This scanning electron microscope image of an SFB colony shows a mass of long hair-like filaments created when the bacteria stay attached to each other after they divide.

Credit: Ivaylo Ivanov (Columbia University Medical Center), Dan Littman (NYU Langone Medical Center) and Doug Wei (Carl Zeiss SMT, Inc.)

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