Gut bacterium reproducing. Coloured transmission electron micrograph (TEM) of a single bacterium dividing into two identical clone daughter bacteria. Under optimal conditions, some bacteria can grow and divide extremely rapidly, and bacterial populations can double as quickly as every 10 minutes. This bacterium is a member of the family Enterobacteriaceae, which comprises Gram-negative rod-shaped bacteria that often have flagellae (hair-like strands) that are used for movement. Many are a normal part of the gut flora found in the intestines, but some are pathogenic, such as Salmonella enterica and certain strains of Escherichia coli, and can cause foodborne illnesses. Magnification x48,000 when printed 10 centimetres wide.
About the Artist - Hazel Appleton, Centre For Infectionshealth Protection Agency
Science Photo Library was founded in 1981 by Michael Marten, one of the authors of "Worlds Within Worlds", a book exploring different ways to observe the universe - from electron micrographs, to images of earthrise taken from the Apollo spacecraft. When Marten started receiving requests for the beautiful images in the book, he had an idea of setting up Science Photo Library.
Since then, Science Photo Library has continued to work alongside world acclaimed photographers and the leading science and medical experts to provide a central source of the best science and specialist imagery available. Although the collection started with scientific images, it has grown to encompass all aspects of science and their impact on everyday life.
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