About the Authors

Yang He

Affiliation College of Marine Life Sciences, Ocean University of China, Qingdao, People’s Republic of China

Tingting Xu

Affiliation College of Marine Life Sciences, Ocean University of China, Qingdao, People’s Republic of China

Leif E. Fossheim

Affiliation College of Marine Life Sciences, Ocean University of China, Qingdao, People’s Republic of China

Xiao-Hua Zhang

xhzhang@ouc.edu.cn

Affiliation College of Marine Life Sciences, Ocean University of China, Qingdao, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XHZ YH. Performed the experiments: YH TX LEF. Analyzed the data: YH TX LEF XHZ. Contributed reagents/materials/analysis tools: XHZ. Wrote the paper: YH XHZ.