About the Authors

Heidi G. Burke

Affiliation Department of Molecular Biology and Microbiology and Graduate Program in Molecular Microbiology, Sackler School of Graduate Biomedical Sciences, Tufts University School of Medicine, Boston, Massachusetts, United States of America

Ekaterina E. Heldwein

katya.heldwein@tufts.edu

Affiliation Department of Molecular Biology and Microbiology and Graduate Program in Molecular Microbiology, Sackler School of Graduate Biomedical Sciences, Tufts University School of Medicine, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HGB EEH. Performed the experiments: HGB. Analyzed the data: HGB EEH. Contributed reagents/materials/analysis tools: HGB. Wrote the paper: HGB EEH.