About the Authors

Hitoshi Iwaya

Affiliation Graduate School of Agriculture, Hokkaido University, Sapporo, Japan

Jae-Sung Lee

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Shinya Yamagishi

Affiliation Graduate School of Agriculture, Hokkaido University, Sapporo, Japan

Aki Shinoki

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Weeranuch Lang

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Charin Thawornkuno

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Hee-Kwon Kang

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Yuya Kumagai

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Shiho Suzuki

Affiliation Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, Japan

Shinichi Kitamura

Affiliation Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, Japan

Hiroshi Hara

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Masayuki Okuyama

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Haruhide Mori

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Atsuo Kimura

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Satoshi Ishizuka

zuka@chem.agr.hokudai.ac.jp

Affiliation Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HI JSL SY AS SS SK HH MO HM AK SI. Performed the experiments: HI JSL SY AS. Analyzed the data: HI JSL SY AS SI. Contributed reagents/materials/analysis tools: WL CT HKK YK SS AK. Wrote the paper: HI SI.