About the Authors

Karl Schmid

Affiliation Department of Plant Biology and Forest Genetics, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden

Ziheng Yang

z.yang@ucl.ac.uk

Affiliation Department of Biology, University College London, London, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KS ZY. Performed the experiments: KS. Analyzed the data: KS ZY. Wrote the paper: KS ZY.