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lysogen


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A bacterial cell harbouring the genome of a bacteriophage integrated into the bacterial cell's chromosomal DNA. Lysogens are latent forms of bacteriophages. A lysogenized phage genome is often referred to as a prophage. Prophages sometimes encode genes for toxins that are expressed by their bacterial host cell. Examples include diphtheria toxin, scarlet fever toxin, Staphylococcus aureus Panton-Valentine leukocidin, and enterotoxin A.

Subjects: Dentistry.


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