About the Authors

Chenjie Yang

Affiliation Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Seon-Hee Kim

Affiliation Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Nicole R. Bianco

Affiliation Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Paul D. Robbins

probb@pitt.edu

Affiliation Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CY S-HK NRB PDR. Performed the experiments: CY S-HK NRB. Analyzed the data: CY S-HK NRB PDR. Contributed reagents/materials/analysis tools: CY S-HK NRB. Wrote the paper: CY PDR.