TEM of cluster of P1 bacteriophages

Bildnummer 13509430
TEM of cluster of P1 bacteriophages
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 (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, 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). Mag: X185, 000 (at 10x8 size).
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / BIOZENTRUM, UNIVERSITY OF BASEL / B. HEGGELER
Bildgröße: 4937 px × 3819 px
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