False-col TEM of Lambda bacteriophages

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False-col TEM of Lambda bacteriophages

False colour transmission electron micrograph of Lambda bacteriophages showing intact (black) & squashed (clear) particles. Bacteriophages are viruses that infect only bacterial cells. Lacking any reproductive machinery themselves, they infect bacteria & commandeer their apparatus for purposes of replication. The genetic material (DNA) of the phage is contained within the head, a 20-faced (icosahedron) figure made up of numerous subunits called capsomers. The head is attached to a tail, which in this species is noncontractile. Entry into the bacteria is achieved by enzyme action. Magnification X31, 400 at 35mm size. Original is bw print m090/042

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6413048

© DR M. WURTZ/BIOZENTRUM, UNIVERSITY OF BASEL/SCIENCE PHOTO LIBRARY

Bacteriophage Bacteriophages Lambda Virology Viruses Micro Biology Virus

EDITORS COMMENTS
This print from Science Photo Library showcases a false-coloured transmission electron micrograph of Lambda bacteriophages. The image reveals both intact (black) and squashed (clear) particles of these fascinating viruses that exclusively infect bacterial cells. Bacteriophages, unlike other viruses, lack their own reproductive machinery; instead, they invade bacteria and take control of their apparatus to replicate themselves. The genetic material (DNA) of the phage is enclosed within the head structure, which resembles a 20-faced figure known as an icosahedron. Composed of numerous capsomers subunits, this intricate head is connected to a noncontractile tail in the Lambda species. To gain entry into bacterial cells, these bacteriophages employ enzyme action. With a magnification level of X31,400 at 35mm size, this image provides us with an up-close look at the mesmerizing world of virology and microbiology. It serves as a reminder that even on such microscopic scales, life forms exist with unique strategies for survival and replication. This remarkable photograph holds immense value for researchers studying viruses and those interested in understanding how different organisms interact within complex ecosystems. Its black-and-white print m090/042 captures the intricacies of lambda bacteriophages while highlighting their significance in scientific exploration.

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