My research interests are bacterial responses to oxidative and electrophile stress and the role of the Bacillithiol redox buffer in Firmicutes in protection of protein thiols and to control redox-sensing regulators. We investigate the mechanisms of reversible S-bacillithiolation and de-bacillithiolation pathways under oxidative stress conditions by using redox proteomics approaches, mass spectrometry, metabolomics, genetics, biochemistry and structural biology.