Erythritol is a natural sugar abundant in fruits and fermentingfoods. Pathogenic bacterial strains that catabolize erythritolcontain four closely spaced genes, all involved in erythritolmetabolism. One of the four genes (eryD) encodes a productthat represses the expression of the other three genes. Erythritolcatabolism is stimulated by erythritol. Present a regulatorymodel to account for the regulation of erythritol catabolism insuch bacterial strains. Does this system appear to be underinducibleor repressible control?

Erythritol is a natural sugar abundant in fruits and fermentingfoods. Pathogenic bacterial strains that catabolize erythritolcontain four closely spaced genes, all involved in erythritolmetabolism. One of the four genes (eryD) encodes a productthat represses the expression of the other three genes. Erythritolcatabolism is stimulated by erythritol. Present a regulatorymodel to account for the regulation of erythritol catabolism insuch bacterial strains. Does this system appear to be underinducibleor repressible control?

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter27: Metabolic Integration And Organ Specialization

Section: Chapter Questions

Problem 18P

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