False-colour transmission electron micrograph of a cluster of P1 bacteriophages. Bacteriophages are viruses that infect only bacterial cells. P1 is a

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False-colour transmission electron micrograph of a cluster of P1 bacteriophages. Bacteriophages are viruses that infect only bacterial cells. P1 is a temperate phage (lysogeny) which means it is non virulent, does not multiply, or cause lysis (cell death by bursting). Instead its DNA attaches to the bacterium's & is passed on at each division. The attached condition is known as the prophage state. Phage DNA is contained within the head (orange sphere), a 20-faced (icosahedron) figure. The head is attached to a tail, a contractile sheath, which injects the DNA into the bacterium through a syringe-like tube (seen here). Magnification:x185,000 at 10x8, x52,857 at 6x7cm.

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Size: 4937px × 3819px
Photo credit: © BIOZENTRUM/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bacteriophage, bacteriophages, false-coloured, image, images, lysogeny, magnified, microbiology, microscopic, p1, phage, photos, prophage, state, subjects, temperate, virology, virus, viruses