Merna R. Villarejo

Merna Villarejo

Position Title
Professor Emeritus

Department of Microbiology and Molecular Genetics, College of Biological Sciences

356 Briggs Hall

Research Interests

Mechanism of bacterial adaptation to osmotic stress.


  • 1959 BS Biochemistry University of Chicago
  • 1963 PhD Biochemistry University of Chicago


Wise A, R Brems, V Ramakrishnan, and M Villarejo. 1996. Sequences in the 35 region of Escherichia coli rpoS-dependent genes promote transcription by Esigmas. Journal of Bacteriology. 178:2785-2793

Ding Q, S Kusano, M Villarejo, and A Ishihama. 1995. Promoter selectivity control of E. coli RNA polymerase: Differential recognition of osmoregulated promoters by Esigmas and Esigma70 holoenzymes. Molecular Microbiology. 16:6

Mellies J, A Wise, and M Villarejo. 1995. Two different E. Coli proP promoters respond to osmotic and growth phase signals. Journal of Bacteriology. 177:144-151