■　GENETICS, MOLECULAR BIOLOGY, AND GENE ENGINEERING

Molecular Analysis of Promoter Elements from Propionibacterium freudenreichii.
Yongzhe Piao, Nami Kawaraichi, Ryo Asegawa, Pornpimon Kiatpapan, Hisayo Ono, Mitsuo Yamashita, and Yoshikatsu Murooka 　

■　ENZYMOLOGY, PROTEIN ENGINEERING, AND ENZYME TECHNOLOGY

Kinetics of L-Tryptophan Production form Indole and L-Serine Catalyzed by Whole Cells with Tryptophanase Activity.
Dina Maria Ribeiro Mateus, Sebastiao Silva Alves, and Maria Manuela Regalo Da Fonseca

Biophysical Analysis of Heat-Induced Structural Maturation of Glutamate Dehydrogenase from a Hyperthermophilic Archaeon.
Naoshige Izumikawa, Kentaro Shiraki, Shingo Nishikori, Shinsuke Fujiwara, Tadayuki Imanaka, and Masahiro Takagi 　

■　MICROBIAL PHYSIOLOGY AND BIOTECHNOLOGY

NADPH-Dependent D-Aldose Reductases and Xylose Fermentation in Fusarium oxysporum.
Gianni Panagiotou and Paul Christakopoulos

Production of Nonproteinaceous Amino Acids Using Recombinant Escherichia coli Cells Expressing Cysteine Synthase and Related Enzymes with or without the Secretion of O-Acetyl-L-Serine.
Chunhui Zhao, Katsuhiro Ohno, Kohji Sogoh, Koreyoshi Imamura, Takaharu Sakiyama, and Kazuhiro Nakanishi.

Cloning and Characterization of the dnaKJ Operon in Acetobacter aceti.
Akiko Okamoto-Kainuma, Wang Yan, Masahiro Fukaya, Yoshinori Tukamoto, Morio Ishikawa, and Yukimichi Koizumi 　

■　ENVIRONMENTAL BIOTECHNOLOGY

Growth of Aspergillus oryzae during Treatment of Cassava Starch Processing Wastewater with High Content of Suspended Solids.
Truong Quy Tung, Naoyuki Miyata, and Keisuke Iwahori

■　BIOCHEMICAL ENGINEERING

Effect of Partial Shading on Photoproduction of Hydrogen by Chlorella.
Eiichi Kojima and Bin Lin

■　MEDICAL BIOTECHNOLOGY

Maintenance of Hepatocyte Functions by Coculture with Bone Marrow Stromal Cells.
Katsuhiro Isoda, Midori Kojima, Masashi Takeda, Shinji Higashiyama, Masaya Kawase, and Kiyohito Yagi 　

■　METHODS

An Instant Measurement of Oxidoreductase Activity above 100℃ by Monitoring the Absorbance Change.
Takeo Imai, Daisuke Yasujima, and Masood Ahmed Siddiqui 　

■　MISCELLANEOUS

γ-Linolenic Acid Enrichment from Borago officinalis and Echium fastuosum Seed Oils and Fatty Acids by Low Temperature Crystallization.
Juan Carlos Lopez-Martinez, Pablo Campra-Madrid, and Jose Luis Guil-Guerrero