■　REVIEWS

Microbial Synthesis of Hyaluronan and Chitin: New Approaches.
Takashi Yamada and Takeru Kawasaki

Reconstruction of Renal Glomerular Tissue Using Collagen Vitrigel Scaffold.
Pi-Chao Wang and Toshiaki Takezawa

A New Family of NAD(P)H-Dependent Oxidoreductases Distinct from Conventional Rossmann-Fold Proteins.
Hisashi Muramatsu, Hisaaki Mihara, Masaru Goto, Ikuko Miyahara, Ken Hirotsu, Tatsuo Kurihara, and Nobuyoshi Esaki

Cloning and Expression Analysis of Two Catalase Genes from Aspergillus oryzae.
Hiromoto Hisada, Yoji Hata, Akitsugu Kawato, Yasuhisa Abe, and Osamu Akita

Organization and Localization of the dnaA and dnaK Gene Regions on the Multichromosomal Genome of Burkholderia multivorans ATCC 17616.
Yuji Nagata, Muneaki Matsuda, Harunobu Komatsu, Yoshiyuki Imura, Hiroyuki Sawada, Yoshiyuki Ohtsubo, and Masataka Tsuda

Development of Gene Delivery Systems for the ε-Poly-L-Lysine Producer, Streptomyces albulus.
Yoshimitsu Hamano, Ine Nicchu, Yusuke Hoshino, Takahiro Kawai, Shigeru Nakamori, and Hiroshi Takagi

Enzymology, Protein Engineering, and Enzyme Technology

Gene Cloning and Characterization of Mycobacterium phlei Flavin Reductase Involved in Dibenzothiopbene Desulfurization.
Toshiki Furuya, Shusuke Takahashi, Yuichiro Iwasaki, Yoshitaka Ishii, Kuniki Kino, and Kohtaro Kirimura

D-Amino Acid Dipeptide Production Utilizing D-Alanine-D-Alanine Ligases with Novel Substrate Specificity.
Masaru Sato, Kohtaro Kirimura, and Kuniki Kino

Purification and Characterization of Extracellular 1,2-α-L-Fucosidase from Bacillus cereus.
Toyokazu Miura, Kenji Okamoto, and Hideshi Yanase　

Microbial Physiology and Biotechnology

Phylogenetic Relationships among Ammonia-Oxidizing Bacteria as Revealed by Gene Sequences of Glyceraldehyde 3-Phosphate Dehydrogenase and Phosphoglycerate Kinase.
Takeshi Ida, Michitomo Kugimiya, Mina Kogure, Reiji Takahashi, and Tatsuaki Tokuyama

Environmental Biotechnology

Effects of Difructose Anhydride III (DFA III) Administration on Bile Acids and Growth of DFA III-Assimilating Bacterium Ruminococcus productus on Rat Intestine.
Kimiko Minamida, Maki Kaneko, Midori Ohashi, I Nengah Sujaya, Teruo Sone, Masaru Wada, Atsushi Yokota, Hiroshi Hara, Kozo Asano, and Fusao Tomita

Existence of an Iron-Oxidizing Bacterium Acidithiobacillus ferrooxidans Resistant to Organomercurial Compounds.
Fumiaki Takeuchi, Atsunori Negishi, Sosaku Nakamura, Tadayoshi Kanao, Kazuo Kamimura, and Tsuyoshi Sugio

Controlling Algal Growth in Photo-Dependent Decolorant Sludge by Photocatalysis.
Jinglan Hong, Hua Ma, and Masahiro Otaki

Simultaneous Removal of H₂S and NH₃ in Biofilter Inoculated with Acidithiobacillus thiooxidans TAS.
Eun Young Lee, Kyung-Suk Cho, and Hee Wook Ryu

Biodegradation of Phenolic Environmental Pollutants by a Surfactant-Laccase Complex in Organic Media.
Junji Michizoe, Hirofumi Ichinose, Noriho Kamiya, Tatsuo Maruyama, and Masahiro Goto 　

Biochemical Engineering

Total RNA Concentration as an Index of Microbial Activity and Oxygen Supply in an Oxidation Ditch.
Nobuhiro Kanazawa, Yoshikuni Urushigawa, and Yumio Yato

Enhanced Production of Prodigiosin-like Pigment from Serratia marcescens SMΔR by Medium Improvement and Oil-Supplementation Strategies.
Yu-Hong Wei and Wei-Chuan Chen

Cell and Tissue Engineering

Insulinoma Cell Line(MIN6) Adhesion and Spreading Mediated by Arg-Gly-Asp(RGD) Sequence Conjugated in Thermo-Reversible Gel.
Keun-Hong Park, Kun Na, Seung Yong Jung, Sung Won Kim, Kyu Hyung Park, Kwang Yul Cha, and Hyung-Min Chung 　

■　INDEX