Bacteriophages attacking bacteria,transmission electron micrograph (TEM) of bacteriophage virus particles (virions,green) attacking a bacterial cell (orange). A bacteriophage is a virus that infects bacteria. It consists of an icosahedral (20-sided) head,which contains the genetic material,a tail and tail fibres,which fix it to a specific receptor site. Once attached to a bacterium,the bacteriophage injects its DNA (deoxyribonucleic acid) and the bacterium's cellular mechanisms are used to produce more bacteriophages | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / AMI Images |
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