■　REVIEWS

Applications of Photosynthetic Bacteria for Medical Fields.
Ken Sasaki, Masanori Watanabe, Yoshito Suda, Akihiro Ishizuka, and Napavarn Noparatnaraporn

Bioreactor-Based Engineering of Osteochondral Grafts: from Model Systems to Tissue Manufacturing.
David Wendt, Marcel Jakob, and Ivan Martin

High Expression of a Synthetic Gene Encoding Potato α-Glucan Phosphorylase in Aspergillus niger.
Akio Koda, Takayuki Bogaki, Toshitaka Minetoki, and Masato Hirotsune

ENZYMOLOGY, PROTEIN ENGINEERING, AND ENZYME TECHNOLOGY

Analysis of Essential Carboxylic Amino Acid Residues for Catalytic Activity of Fungal Chitosanases by Site-Directed Mutagenesis.
Makoto Shimosaka, Kazuaki Sato, Naohide Nishiwaki, Takashi Miyazawa, and Mitsuo Okazaki

Oxidative Activities of Heterologously Expressed CYP107B1 and CYP105D1 in Whole-Cell Biotransformation Using Streptomyces lividans TK24.
Motoi Ueno, Midori Yamashita, Michizane Hashimoto, Motohiro Hino, and Akihiko Fujie

Micrococcus luteus K-3-Type Glutaminase from Aspergillus oryzae RIB40 Is Salt-Tolerant.
Naohisa Masuo, Kazuaki Yoshimune, Kotaro Ito, Kenichiro Matsushima, Yasuji Koyama, and Mitsuaki Moriguchi

MICROBIAL PHYSIOLOGY AND BIOTECHNOLOGY

Vacuolar Functions Are Involved in Stress-Protective Effect of Intracellular Proline in Saccharomyces cerevisiae.
Keisuke Matsuura and Hiroshi Takagi

Identification and Characterization of Salt-Inducible Polypeptide in Paenibacillus sp., a Moderately Halophilic Bacterium.
Ashrafaddin Sokhansanj, Ali Asghar Karkhane, and Ferdous Rastgar Jazii

ENVIRONMENTAL BIOTECHNOLOGY

Characterization of Methylhydroquinone-Metabolizing Oxygenase Genes Encoded on Plasmid in Burkholderia sp. NF100.
Kanako Tago, Junichi Sato, Hideaki Takesa, Hirokazu Kawagishi, and Masahito Hayatsu

Effect of Inoculum Conditioning on Hydrogen Fermentation and pH Effect on Bacterial Community Relevant to Hydrogen Production.
Yasunori Kawagoshi, Naoe Hino, Aya Fujimoto, Masaharu Nakao, Yukiko Fujita, Seiji Sugimura, and Kenji Furukawa

Removal and Recovery of Lithium Using Various Microorganisms.
Takehiko Tsuruta

BIOCHEMICAL ENGINEERING

Heat-Enhanced Production of Chitosanase from Streptomyces griseus in the Presence of Liposome.
Kien Xuan Ngo, Hiroshi Umakoshi, Toshinori Shimanouchi, Ho Sup Jung, Seiichi Morita, and Ryoichi Kuboi

Diamines Prevent Thermal Aggregation and Inactivation of Lysozyme.
Masahiro Okanojo, Kentaro Shiraki, Motonori Kudou, Shingo Nishikori, and Masahiro Takagi

Enhanced Production of Human Epidermal Growth Factor by a Recombinant Escherichia coli Integrated with In Situ Exchange of Acetic Acid by Macroporous Ion-Exchange Resin.
Xin'ai Chen, Peilin Cen, and Jishuang Chen

CELL AND TISSUE ENGINEERING

Development of a Fed-Batch Culture Process for Enhanced Production of Recombinant Human Antithrombin by Chinese Hamster Ovary Cells.
Shinobu Kuwae, Toyoo Ohda, Hiroshi Tamashima, Hideo Miki, and Kaoru Kobayashi

MEDICAL BIOTECHNOLOGY

Drug Release from Hydrogel Containing Albumin as Crosslinker.
Daisuke Tada, Toshizumi Tanabe, Akira Tachibana, and Kiyoshi Yamauchi

MISCELLANEOUS

Neuroprotective Effect of D-Psicose on 6-Hydroxydopamine-Induced Apoptosis in Rat Pheochromocytoma (PC12) Cells.
Maki K. Takata, Fuminori Yamaguchi, Koichi Nakanose, Yasuo Watanabe, Naoya Hatano, Ikuko Tsukamoto, Mitsuhiro Nagata, Ken Izumori, and Masaaki Tokuda