About the Authors

Toshitsugu Fujita

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

Fusako Kitaura

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

Hodaka Fujii

hodaka@biken.osaka-u.ac.jp

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

Competing Interests

Hodaka Fujii is an Academic Editor of PLOS ONE. This does not alter the authors’ adherence to PLOS ONE Editorial policies and criteria. The authors have a patent on iChIP. Name: Method for isolating specific genomic regions. Number: US 8,415,098; Japan 5,413,924. There are no further patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: TF HF. Performed the experiments: TF FK HF. Analyzed the data: TF HF. Contributed reagents/materials/analysis tools: TF HF. Wrote the paper: TF HF. Directed and supervised the research: HF.