Fur is the master regulator of the extraintestinal pathogenic Escherichia coli response to serum.

mBio · 2014 · PMC4145685 · PMID 25118243

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may be significantno p-value reported

It may be significant that two out of the eight genes found to have a Fur box, iroN and ybtA , were acquired by lateral gene transfer from other pathogens ( S. enterica and Yersinia pestis , respectively) ( 56 , 57 ).

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