John Helmann, Cornell University

Profile photo of John Helmann, expert at Cornell University

Professor Ithaca, New York jdh9@cornell.edu Office: (607) 255-6570

Bio/Research

Our laboratory studies Bacillus subtilis, a Gram-positive soil bacterium and genetic model system. Major research efforts address the stress responses elicited by (i) antibiotics that affect the cell envelope, (ii) reactive oxygen species, or (iii) deficiency or excess of nutrient metal ions. For...

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Bio/Research

Our laboratory studies Bacillus subtilis, a Gram-positive soil bacterium and genetic model system. Major research efforts address the stress responses elicited by (i) antibiotics that affect the cell envelope, (ii) reactive oxygen species, or (iii) deficiency or excess of nutrient metal ions. For each stress response, we are interested in the global patterns of transcriptional control, the mechanisms of the corresponding regulatory proteins, and the roles of the induced pathways.

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