Publications by authors named "Raquel Sanjuan-Espana"

The study of protein function mostly relies on perturbing regulatory networks by acting upon protein expression levels or using transdominant negative agents. Here we used the Escherichia coli global transcription regulator Fur (ferric uptake regulator) as a case study to compare the perturbations exerted by a gene knock-out, the expression of a dominant negative allele of a gene, and the expression of peptide aptamers that bind a gene product. These three perturbations caused phenotypes that differed quantitatively and qualitatively from one another.

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