Geobacter metallireducens bacteria, TEM
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Geobacter metallireducens bacteria, TEM
Geobacter metallireducens bacterium, coloured transmission electron micrograph. This anaerobic bacteriaoxidises organic compounds to form carbon dioxide, using iron oxide or other metals as an electron acceptor. This ability could harnessed to decontaminate petroleum compounds, metals and radioactive substances. Geobacter can also generate electricity by oxidising organic waste and directly transferring electrons onto the surface of electrodes. The image shows Geobacter with two long flagella (emerging from right hand side) which enable the bacterium to swim in liquids. The bacterium is also coated with thinner filaments known as pili, which are electrically conductive. Geobacter was discovered in 1987 by Professor Derek Lovley
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6292393
© DEREK LOVLEY/SCIENCE PHOTO LIBRARY
Alternative Energy Alternative Fuel Anaerobic Bacteria Bacterial Bacteriology Bacterium Decontamination Electrical Electrochemistry Extremophile Extremophiles Filament Filaments Flagella Flagellum Micro Organisms Microbe Microbes Microscope Nanoelectronics Nanotechnology Nanowire Pili Transmission Electron Transmission Electron Micrograph False Coloured Micro Biology Microbiological
EDITORS COMMENTS
This print showcases the Geobacter metallireducens bacteria, a remarkable anaerobic organism with immense potential. Coloured using transmission electron microscopy, this image reveals the intricate details of Geobacter's structure and functionality. Geobacter possesses an extraordinary ability to oxidise organic compounds into carbon dioxide while utilizing iron oxide or other metals as electron acceptors. This unique trait holds promise for decontaminating petroleum compounds, metals, and even radioactive substances. Furthermore, Geobacter can generate electricity by directly transferring electrons from organic waste onto electrode surfaces. Its thin filaments called pili are electrically conductive and enhance its electrochemical capabilities. Discovered in 1987 by Professor Derek Lovley, Geobacter has since become a subject of great interest in various scientific fields such as nanotechnology and alternative energy research. The bacterium's long flagella enable it to navigate through liquid environments effortlessly. With its potential applications ranging from decontamination to microbial fuel cells, Geobacter represents a natural marvel that could revolutionize our approach towards sustainable technologies. By harnessing its unique properties, scientists aim to develop innovative solutions for environmental remediation and renewable energy production. This Science Photo Library print serves as a testament to the incredible diversity of life on Earth and reminds us of the untapped potential residing within microorganisms like Geobacter metallireducens.
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