Q fever bacteria, SEM C017 / 8303
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Q fever bacteria, SEM C017 / 8303
Q fever bacteria. Coloured scanning electron micrograph (SEM) of a fracture through a vacuole in a Vero cell showing replicating Coxiella burnetii bacteria (yellow). Coxiella burnetii is an obligate intracellular bacterium, meaning that it cannot reproduce outside of its host cell. It is the cause of Q fever, and is thought to be the most infectious agent known, with just one bacterium causing disease. Q fever is a disease present in livestock that can be spread to humans by inhalation of contaminated particles. It causes flu-like symptoms, with fever, malaise, headache and nausea. It can progress to pneumonia, which can be fatal. Vero cells are a cell line used in laboratories
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9211221
© NIAID/NATIONAL INSTITUTES OF HEALTH/SCIENCE PHOTO LIBRARY
Bacteria Bacterial Bacteriology Bacterium Fracture Fractured Gram Negative Intracellular Micro Organism Microbe Microbiology Microorganism Pathogenic Replicating Reproducing Vacuole Microbiological Pathogen Proteobacteria
EDITORS COMMENTS
This print showcases the intricate world of Q fever bacteria, specifically Coxiella burnetii. In this coloured scanning electron micrograph (SEM), we witness a fracture through a vacuole in a Vero cell, revealing the mesmerizing replication process of these pathogenic organisms. Coloured in striking yellow, the Coxiella burnetii bacteria are seen multiplying within their host cell. Coxiella burnetii is an obligate intracellular bacterium, meaning it can only reproduce inside its host cell and cannot survive outside. This elusive bacterium is notorious for causing Q fever, one of the most infectious diseases known to mankind. Astonishingly, just one bacterium is enough to trigger this debilitating illness. Q fever primarily affects livestock but can be transmitted to humans through inhalation of contaminated particles. The symptoms resemble those of influenza - high fever, malaise, headache, and nausea - but can escalate into pneumonia with potentially fatal consequences. The Vero cells depicted here are commonly used in laboratory settings as they provide an ideal environment for studying various biological phenomena. Through this image's lens into the microscopic realm, we gain insight into the complex interactions between pathogens and their hosts. This photograph serves as a reminder of both the beauty and danger that exist at microscopic levels within our world. It highlights the crucial role microbiology plays in understanding infectious diseases like Q fever and emphasizes the importance of ongoing research efforts to combat such formidable adversaries.
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