SEM of legionella pneumophila

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SEM of legionella pneumophila

False-colour scanning electron micrograph (SEM) of a no. of highly-curved forms of the bacterium Legionella pneumophila, the cause of Legionnaires disease, a usually fatal form of lobar pneumonia. Members of the gram negative species are small & elongated, with a double membrane cell envelope. The disease obtained its name after an outbreak of 182 cases at the American Legion convention in Pennsylvania in 1976. Magnification: X 3, 000 at 35mm size. The red object at bottom of image is an artefact

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6276311

© CNRI/SCIENCE PHOTO LIBRARY

Bacteria Bacterial Bacteriology Bacterium Legionella Pneumophila Micro Organisms Microbe Microbes Micro Biology

EDITORS COMMENTS
This print showcases a false-color scanning electron micrograph (SEM) of Legionella pneumophila, the notorious bacterium responsible for causing Legionnaires disease. These highly-curved forms of the gram-negative species appear small and elongated, characterized by their distinctive double membrane cell envelope. The image provides an up-close look at this deadly pathogen that typically leads to lobar pneumonia and often proves fatal. The name "Legionnaires disease" originated from a significant outbreak in 1976 during an American Legion convention held in Pennsylvania. This event saw a staggering 182 cases of the illness, prompting scientists to identify and study this particular strain of bacteria more closely. At a magnification level of X3,000 with a 35mm size frame, this SEM reveals intricate details that are otherwise invisible to the naked eye. It offers valuable insights into the structure and morphology of L. pneumophila. Notably, within this mesmerizing image lies an artifact—a red object positioned at the bottom—adding further intrigue to its composition. Science Photo Library presents this remarkable photograph as part of its collection on microbes, bacteriology, scanning electron micrographs (SEMs), bacterial biology, and legionellosis research.

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