**Production of Multi-Purpose BAC Clones in the Novel** *Bacillus subtilis* **Based Host Systems**

Shinya Kaneko1 and Mitsuhiro Itaya2

*1Graduate School of Bioscience and Biotechnology, Department of Life Science Tokyo Institute of Technology, Yokohama-shi Kanagawa 2Institute for Advanced Biosciences, Keio University, Yamagata Japan* 
