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What is Constitutive Mutant in Microbiology? PDF | Download eBooks

Learn Constitutive Mutant definition in microbiology with explanation to study “What is Constitutive Mutant”. Study constitutive mutant explanation with microbiology terms to review microbiology course for online degree programs.

Constitutive Mutant Definition

  • A strain that produces an inducible enzyme continually, regardless of need, because of a mutation in either the operator or regulator gene.

    Prescott's Microbiology 9th Edition by Joanne Willey, Linda Sherwood, Christopher J. Woolverton



Constitutive Mutant Explanation

Constitutive mutants are those strains in which a protein is continuously produced, which in wild is inducible. For example, the constitutive mutant strain with lac operon mutation is responsible for the transcription of the lac genes, even in the absence of lactose in the medium.

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