About the Authors
- Sarah E. Clark, Tracey A. Zola, Jeffrey N. Weiser
- Department of Microbiology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- Julian Snow
- Department of Chemistry and Biochemistry, University of the Sciences, Philadelphia, Pennsylvania, United States of America
- Jianjun Li
- Institute for Biological Sciences, National Research Council Canada, Ottawa, Ontario, Canada
The authors have declared that no competing interests exist.
Conceived and designed the experiments: SEC JS TAZ JNW. Performed the experiments: SEC JL. Analyzed the data: SEC JS JL JNW. Contributed reagents/materials/analysis tools: JNW. Wrote the paper: SEC JNW.