1. Microbial manganese (II) oxidation : a potential tool for treatment of metal-contaminated waters / Naoyuki Miyata and Yukinori Tani -- 2. Biological treatment for removal of iron, manganese, and arsenic from groundwater / Ichiro Suzuki and Danladi Mahuta Sahabi -- 3. Removal of selenium from wastewater using a selenium-reducing bacterium / Michihiko Ike and Satoshi Soda -- 4. Microbial reduction and mobilization of arsenic for bioremediation of contaminated soil / Shigeki Yamamura -- 5. Phytoremediation of boron polluted soil and water / Kazuhiro Mori and Motoyuki Asada -- 6. Phytoremediation of cadmium contaminated soil : acceleration of phytoremediation by combination use of chelating agents / Kazunari Sei -- 7. Phytoremediation for soils contaminated with heavy metals using the symbiosis between Astragalus Sinicus with rhizobia / Mitsuo Yamashita -- 8. Construction of yeast bioadsorbent by cell surface engineering / Kouichi Kuroda and Mitsuyoshi Ueda -- 9. Bioleaching of metals from solid waste incineration ash / Tomonori Ishigaki -- 10. Dissolution of precious metals from waste printed circuit boards by using bacteria / Tadashi Takemoto -- 11. Biosorption of uranium and/or thorium using microorganism / Takehiko Tsuruta -- 12. Characteristics of biogenous iron oxide microtubes formed by iron-oxidizing bacteria, Leptothrix Ochracea / Jun Takada and Hideki Hashimoto -- 13. Microbial formation of semiconductor nano-particles contained selenium or tellurium and metals / Toshifumi Sakaguchi -- 14. Biomachining-micromaching of metals by bacteria / Yoshiyuki Uno and Akira Okada -- 15. Biosensors for toxic heavy metals / Kazumasa Hirata and Hitoshi Miyasaka -- 16. Cell surface design for selective recovery of rare metal ions / Kouichi Kuroda and Mitsuyoshi Ueda -- 17. Bioinformatics tools for the next generation of metal biotechnology / Hideki Nakayama.