Bacteriophages attacking bacteria. Illustration of bacteriophage viruses (blue) attacking bacteria (yellow). Each virion has a protein head containing DNA (deoxyribonucleic acid, spirals) genetic material and a contractile tail (shaft) with tail fibres (legs). The virion in the foreground is injecting its viral DNA into a bacterium. Once within the cell, the DNA will take over, effectively turning the bacterium into a virus-making machine. The red molecules are CAS enzymes, part of an adaptive immune system that protects bacteria from infection by recognising viral DNA and destroying it.
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Creative#:
TOP25755532
Source:
達志影像
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RM
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