Toxin production by Corynebacterium diphtheria is due to ?
Correct Answer: Lysogenic conversion
Description: Ans. is 'c' i.e., Lysogenic conversion o The toxigenicity of the diphtheria bacilli depends on the presence in it of corynephages (tox +). Nontoxigenic strains may be rendered toxigenic by infecting them with beta phage or some other larger phage. This is known as lysogenic conversion or phage conversion.
Category:
Microbiology
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