True about corynebacterium diptheria includes all of the following except :
Correct Answer: Toxigenicity is mediated by chromosomal change
Description: “Corynebacteriophage beta carries the structural gene (tox + ) encoding diptheria toxin and a family of closely related corynebacteriophage are responsible for toxigenic conversion of tox – C.diptheria to tox + phenotype.”
Elek’s gel precipitation test is in vitro test for toxin detection.
Category:
Microbiology
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