About the Authors
Department of Plant-Microbe Interactions, Max-Planck-Institute for Plant Breeding Research, Cologne, Germany
Central Microscopy Max-Planck-Institute for Plant Breeding Research, Cologne, Germany
Max Planck Genome Centre Cologne, Cologne, Germany
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JK RJOC. Performed the experiments: JK LJRR HT UN HCvD SH IW WS. Contributed reagents/materials/analysis tools: ES. Wrote the paper: JK RJOC. Preparing figures: UN JK SH. Interpretation of the data: JK RJOC HT. Computational analysis of ESTs: EVLvT JK KS.