About the Authors

Hyun-Ja Han

Current address: National Fisheries Research and Development Institute, Busan, Republic of Korea

Affiliation Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan

Asaomi Kuwae

Affiliation Laboratory of Bacterial Infection, Kitasato Institute for Life Sciences, Kitasato University, Tokyo, Japan

Akio Abe

Affiliation Laboratory of Bacterial Infection, Kitasato Institute for Life Sciences, Kitasato University, Tokyo, Japan

Yoshichika Arakawa

Affiliation Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan

Kazunari Kamachi

kamachi@nih.go.jp

Affiliation Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: H-JH KK. Performed the experiments: H-JH KK. Analyzed the data: H-JH KK. Contributed reagents/materials/analysis tools: AK AA YA. Wrote the paper: KK.