ACETIC ACID BACTERIUM HAVING REINFORCED ACETIC ACID FERMENTATION ABILITY, AND METHOD FOR PRODUCING VINEGAR USING THE ACETIC ACID BACTERIUM

Title:

ACETIC ACID BACTERIUM HAVING REINFORCED ACETIC ACID FERMENTATION ABILITY, AND METHOD FOR PRODUCING VINEGAR USING THE ACETIC ACID BACTERIUM

Document Type and Number:

Japanese Patent JP2006230329

Kind Code:

A

Abstract:

To provide a means for breeding a bacterium having a reinforced acetic acid fermentation ability, by which the acetic acid bacterium having acetic acid resistance improved to a practical level is bred by the utilization of a gene encoding a protein having a function capable of improving the acetic acid resistance to the practical level, and to provide a method for producing a vinegar with the acetic acid bacterium, by which the acetic acid having a high concentration can more efficiently be produced than by conventional methods.

This method for breeding the bacterium having the acetic acid resistance is characterized by enhancing the expression of one or more genes encoding a protein having a function for inhibiting the increase of an acetic acid concentration in cells and simultaneously enhancing the expression of one or more genes encoding another protein different from the protein and having a function for inhibiting the increase of an acetic acid concentration in cells or one or more cells encoding a protein having a function for promoting growth in the presence of acetic acid. And the method for producing the vinegar is characterized by using the acetic acid bacterium obtained by the above-mentioned breeding method and having improved acetic acid resistance.

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Inventors:

NAKANO SHIGERU
KONDO MICHIO
FUKAYA MASAHIRO
ODA MINEHIRO
SATO REINA
KONDO KOICHI
SHIMADA MASAHISA

Application Number:

JP2005052355A

Publication Date:

September 07, 2006

Filing Date:

February 28, 2005

Export Citation:

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Assignee:

MITSUKAN GROUP HONSHA KK

International Classes:

C12N1/21; C12J1/04; C12N15/09

Domestic Patent References:

JP2003289868A	2003-10-14
JPH03219878A	1991-09-27
JP2002030874A	2002-01-31
JP2004024140A	2004-01-29

Foreign References:

WO2004053122A1	2004-06-24
WO2004081216A1	2004-09-23
WO2004090125A2	2004-10-21

Attorney, Agent or Firm:

Fujiro Kubota
Yuya Yano

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