About the Authors

Koushirou Suga

Affiliation Nagasaki Industrial Promotion Foundation, Omura, Japan

David Mark Welch

To whom correspondence should be addressed. E-mail: dmarkwelch@mbl.edu

Affiliation Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, Massachusetts, United States of America

Yukari Tanaka

Affiliation Nagasaki Industrial Promotion Foundation, Omura, Japan

Yoshitaka Sakakura

Affiliation Faculty of Fisheries, Nagasaki University, Nagasaki, Japan

Atsushi Hagiwara

Affiliation Graduate School of Science and Technology, Nagasaki University, Nagasaki, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KS AH. Performed the experiments: DM KS YT. Analyzed the data: DM KS YS YT AH. Contributed reagents/materials/analysis tools: DM KS AH. Wrote the paper: DM KS.