About the Authors

Ming Ma

Affiliation Laboratory of Developmental Signalling and Patterning, Institute of Molecular and Cell Biology, Singapore, Singapore

Yun-Jin Jiang

To whom correspondence should be addressed. E-mail: yjjiang@imcb.a-star.edu.sg

Affiliation Laboratory of Developmental Signalling and Patterning, Institute of Molecular and Cell Biology, Singapore, Singapore

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

MM and YJJ conceived and designed the experiments. MM performed the experiments. MM and YJJ analyzed the data. YJJ contributed reagents/materials/analysis tools. MM and YJJ wrote the paper.