About the Authors

Ping Jiang

Affiliation School of Biological Sciences, Nanyang Technological University, Singapore, Singapore

Weixin Xu

Affiliation School of Biological Sciences, Nanyang Technological University, Singapore, Singapore

Yuguang Mu

ygmu@ntu.edu.sg

Affiliation School of Biological Sciences, Nanyang Technological University, Singapore, Singapore

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YM. Performed the experiments: PJ YM. Analyzed the data: PJ YM. Contributed reagents/materials/analysis tools: PJ WX YM. Wrote the paper: PJ YM.