■　REVIEW

Structural Characterization of Natural Rubber Based on Recent Evidence from Selective Enzymatic Treatments.
Jitladda Tangpakdee Sakdapipanich

Evidence for an Additional Disulfide Reduction Pathway in Escherichia coli.
Kurtis G. Knapp and James R. Swartz

Flexibility and Strictness in Functional Replacement of Domain III of Cry Insecticidal Proteins from Bacillus thuringiensis.
Hiroshi Sakai, Mohammad Tofazzal Hossain Howlader, Yumiko Ishida, Akiko Nakaguchi, Keiko Oka, Kouji Ohbayashi, Masashi Yamagiwa, and Tohru Hayakawa

ENZYMOLOGY, PROTEIN ENGINEERING, AND ENZYME TECHNOLOGY

Functional Characterization and Evolutionary Implication of the Internal 157-Amino-Acid Sequence of an Exoinulinase from Penicillium sp. Strain TN-88.
Satoshi Moriyama and Kazuyoshi Ohta

Lyophilization of Lipase with Cyclodextrins for Efficient Catalysis in Ionic Liquids.
Yongze Wang and Lehe Mei

MICROBIAL PHYSIOLOGY AND BIOTECHNOLOGY

Development of Stable Flocculent Saccharomyces cerevisiae Strain for Continuous Aspergillus niger β-Galactosidase Production.
Carla Oliveira, Jose A. Teixeira, Nelson Lima, Nancy A. Da Silva, and Lucilia Domingues

Optimization of Bioprocess for Production of Copper-Enriched Biomass of Industrially Important Microorganism Saccharomyces cerevisiae.
Jasna Mrvcic, Damir Stanzer, Vesna Stehlik-Tomas, Dubravka Skevin, and Slobodan Grba

Construction and Analysis of Self-Cloning Sake Yeasts that Accumulate Proline.
Hiroshi Takagi, Fumi Matsui, Akari Kawaguchi, Hong Wu, Hitoshi Shimoi, and Yoshito Kubo

ENVIRONMENTAL BIOTECHNOLOGY

Isolation and Characterization of a Lipid-Degrading Bacterium and Its Application to Lipid-Containing Wastewater Treatment.
Yoshiki Matsumiya, Daisuke Wakita, Akishige Kimura, Sirilak Sanpa, and Motoki Kubo

Relationship between Solid Retention Time and Phosphorus Removal in Anaerobic-Intermittent Aeration Process.
Doojin Lee, Moonil Kim, and Jinwook Chung

Microaeration Enhances Productivity of Bioethanol from Hydrolysate of Waste House Wood Using Ethanologenic Escherichia coli KO11.
Naoyuki Okuda, Kazuaki Ninomiya, Masako Takao, Yoshio Katakura, and Suteaki Shioya

BIOCHEMICAL ENGINEERING

Electrically Induced Protein Release from Schizosaccharomyces pombe Cells in a Hyperosmotic Condition during and following a High Electropulsation.
Minoru Suga, Atsumi Goto, and Toyomasa Hatakeyama

Acetylation of Loofa (Luffa cylindrica) Sponge as Immobilization Carrier for Bioprocesses Involving Cellulase.
Akihiro Hideno, James C. Ogbonna, Hideki Aoyagi, and Hideo Tanaka

Production of Butyl Acetate Ester by Lipase from Novel Strain of Rhizopus oryzae.
Riadh Ben Salah, Hanen Ghamghui, Nabil Miled, Hafedh Mejdoub, and Youssef Gargouri

CELL AND TISSUE ENGINEERING

Image Cytometry for Analyzing Regional Distribution of Cells Inside Human Neurospheres.
Hideki Mori, Kazuaki Ninomiya, Yonehiro Kanemura, Mami Yamasaki, Masahiro Kino-oka, and Masahito Taya

BIOINFORMATICS

Association Study between Apolipoprotein L and Schizophrenia by Exhaustive and Rule-Based Combination Analysis for Identification of Multilocus Interactions.
Yasuyuki Tomita, Masashi Ikeda, Hironori Mutoh, Toshiya Inada, Nakao Iwata, Norio Ozaki, and Hiroyuki Honda

METHODS

Development of Novel Method for Screening Microorganisms Using Symbiotic Association between Insect (Coptotermes formosanus Shiraki) and Intestinal Microorganisms.
Arata Hayashi, Hideki Aoyagi, Tsuyoshi Yoshimura, and Hideo Tanaka