About the Authors

Andrew T. Cheng

Affiliation Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, California, United States of America

Karen M. Ottemann

Affiliation Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, California, United States of America

Fitnat H. Yildiz

fyildiz@ucsc.edu

Affiliation Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ATC KMO FHY. Performed the experiments: ATC. Analyzed the data: ATC KMO FHY. Wrote the paper: ATC KMO FHY.