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Fig. 6 | Microbial Cell Factories

Fig. 6

From: Specific features of l-histidine production by Escherichia coli concerned with feedback control of AICAR formation and inorganic phosphate/metal transport

Fig. 6

Proposed model of Pho regulon expression control. a Activation of the Pho regulon during Pi limitation. b Partial deactivation of the Pho regulon during Pi limitation in the presence of AICAR. PhoR histidine kinase, PhoB response regulator, PstSCAB phosphate-specific ABC transporter, PhoU negative regulator of PhoR, AICAR 5-aminoimidazole-4-carboxamide ribonucleotide, P i inorganic phosphate

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