About the Authors

Toshitsugu Fujita

Affiliation Combined Program on Microbiology and Immunology, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan

Hodaka Fujii

hodaka@biken.osaka-u.ac.jp

Affiliation Combined Program on Microbiology and Immunology, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan

Competing Interests

The authors filed a patent application on iChIP (“A method to isolate specific genomic regions”, August 20, 2010, PCT/JP2010/064052). This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: TF HF. Performed the experiments: TF HF. Analyzed the data: TF HF. Wrote the paper: TF HF. Directed and supervised the study: HF.