About the Authors

Luísa C. S. Antunes

Affiliation Department of Biology, University Roma Tre, Rome, Italy

Francesco Imperi

Current address: Department of Biology and Biotechnology Charles Darwin, Sapienza University of Rome, Rome, Italy

Affiliation Department of Biology, University Roma Tre, Rome, Italy

Alessandra Carattoli

Affiliation Department of Infectious, Parasitic and Immune-Mediated Diseases, Istituto Superiore di Sanità, Rome, Italy

Paolo Visca

visca@uniroma3.it

Affiliation Department of Biology, University Roma Tre, Rome, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LCSA FI PV. Performed the experiments: LCSA FI. Analyzed the data: LCSA FI AC PV. Contributed reagents/materials/analysis tools: PV. Wrote the paper: LCSA FI AC PV.