Amano Enzyme Inc.

Masashi Minoda

Shotaro Yamaguchi

Miho Nagaya

Yukiko Hoshi

Toru Katase

Kazuhiro Nakanishi

Yuzo Kojima

Kenji Kojima

Takahumi Koyama

Disclosed is a novel &#x3b2;-galactosidase. Specifically disclosed are a &#x3b2;-galactosidase derived fromand a gene for the &#x3b2;-galactosidase. The &#x3b2;-galactosidase can be used, for example, in the production of milk, dairy products, fermented dairy products, galacto-oligosaccharides or supplements for foods.

Method for producing a low-lactose milk, medicine, supplement, or galacto-oligosaccharide

[object Object]

An object is to provide a means of highly producing an oxalate decarboxylase originating in a microorganism. A recombinant expression plasmid vector, which contains an &#x3b1;-amylase promoter belonging to the genusand an oxalate decarboxylase gene originating in a microorganism that is provided under the control of the promoter, is constructed. A host bacterium is transformed with this vector to prepare an oxalate decarboxylase producing bacterium. A recombinant oxalate decarboxylase is produced by culturing the producing bacterium and then recovering the oxalate decarboxylase thus produced.

Recombinant expression plasmid vector and recombinant strain to be used in producing oxalate decarboxylase, and method of producing recombinant oxalate decarboxylase

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Konan, Japan

Masashi Minoda