Staphylococcal enterotoxin A is encoded by phage.

  title={Staphylococcal enterotoxin A is encoded by phage.},
  author={Marsha J. Betley and John J Mekalanos},
  volume={229 4709},
The gene for staphylococcal enterotoxin A (entA), in two wild-type strains, is carried by related temperate bacteriophages. Hybridization analysis of DNA from entA-converting phage PS42-D and its bacterial host suggests that this phage integrates into the bacterial chromosome by circularization and reciprocal crossover (the Campbell model) and that the entA gene is located near the phage attachment site. DNA from three of eight staphylococcal strains that did not produce enterotoxin A and seven… CONTINUE READING


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