Bacteriophage

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A bacteriophage or just phage is a virus that infects bacteria. The T4 phage is an example of a bacteriaphage, it has a head and tail region and the DNA is packaged within it's head.

Bacteriophages are usefull vectors for transforming bacteria such as E.coli. [1]

 

References

  1. Jeremy M. Berg, John L. Tymokzo, Lubert Stryer, (2007), Biochemistry, 6th edition, New York, W. H. Freeman and Company.