■　REVIEWS

Structure of β-Amyloid Fibrils and Its Relevance to Their Neurotoxicity: Implications for the Pathogenesis of Alzheimer's Disease.
Kazuhiro Irie, Kazuma Murakami, Yuichi Masuda, Akira Morimoto, Hajime Ohigashi, Ryutaro Ohashi, Kiyonori Takegoshi, Masaya Nagao, Takahiko Shimizu, and Takuji Shirasawa

Designing Scaffolds of Peptides for Phage Display Libraries.
Fumiaki Uchiyama, Yuko Tanaka, Yoshimi Minari, and Noritaka Tokui

Novel Bifidobacterial Glycosidases Acting on Sugar Chains of Mucin Glyco-proteins.
Takane Katayama, Kiyotaka Fujita, and Kenji Yamamoto

Effect of Postinduction Nutrient Feed Composition and Use of Lactose as Inducer during Production of Thermostable Xylanase in Escherichia coli Glucose-Limited Fed-Batch Cultivations.
Santosh O. Ramchuran, Olle Holst, and Eva Nordberg Karlsson

Enzymatic Synthesis of Poly(3-Hydroxybutyrate-co-4-Hydroxybutyrate) with CoA Recycling Using Polyhydroxyalkanoate Synthase and Acyl-CoA Synthetase.
Yasuharu Satoh, Fumikazu Murakami, Kenji Tajima, and Masanobu Munekata

Brewing and Food Technology

Proton Nuclear Magnetic Resonance and Raman Spectroscopic Studies of Japanese Sake, an Alcoholic Beverage.
Akira Nose, Makoto Myojin, Masashi Hojo, Tadaharu Ueda, and Takeyuki Okuda

Method for the Simultaneous Assay of Diacetyl and Acetoin in the Presence of α-Acetolactate: Application in Determining the Kinetic Parameters for the Decomposition of α-Acetolactate.
Ken Kobayashi, Kazutaka Kusaka, Tosirou Takahashi, and Kazuo Sato

High Expression of Unsaturated Fatty Acid Synthesis Gene OLE1 in Sake Yeasts.
Tasuku Yamada, Hitoshi Shimoi, and Kiyoshi Ito

Environmental Biotechnology

Characterization of Floating Activity of Indigenous Diesel-Assimilating Bacterial Isolates.
Ta-Chen Lin, Chiu-Chung Young, Mann-Jing Ho, Mao-Song Yeh, Chien-Liang Chou, Yu-Hong Wei, and Jo-Shu Chang

Isolation of Novel Bacteria and Actinomycetes Using Soil-Extract Agar Medium.
Takefumi Hamaki, Motomasa Suzuki, Ryosuke Fudou, Yasuko Jojima, Takayuki Kajiura, Akira Tabuchi, Kikuo Sen, and Hiroshiro Shibai

Biochemical Engineering

Utilization of Excess Sludge by Acetone-Butanol-Ethanol Fermentation Employing Clostridium saccharoperbutylacetonicum N1-4 (ATCC 13564).
Genta Kobayashi, Koji Eto, Yukihiro Tashiro, Kenichi Okubo, Kenji Sonomoto, and Ayaaki Ishizaki

Methods

Four-Base Codon-Mediated Incorporation of Nonnatural Amino Acids into Proteins in a Eukaryotic Cell-Free Translation System.
Hikaru Taira, Masaharu Fukushima, Takahiro Hohsaka, and Masahiko Sisido