About the Authors

Liangzhong Lim

Affiliation Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore

Yuanyuan Wei

Affiliation NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore

Yimei Lu

Affiliation Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore

Jianxing Song

dbssjx@nus.edu.sg

Affiliations Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore, NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JS LL. Performed the experiments: LL YW YL. Analyzed the data: LL JS. Wrote the paper: JS.