Production of 4-Keto-D-arabonate by Oxidative Fermentation with Newly IsolatedGluconacetobacter liquefaciens | Zendy

Osao Adachi | Zendy; Roque Alberto Hours | Zendy; Yoshihiko Akakabe | Zendy; Somboon Tanasupawat | Zendy; Pattaraporn Yukphan | Zendy; Emiko Shinagawa | Zendy; Toshiharu Yakushi | Zendy; Kazunobu Matsushita | Zendy

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Production of 4-Keto-D-arabonate by Oxidative Fermentation with Newly IsolatedGluconacetobacter liquefaciens

Author(s) -

Osao Adachi,

Roque Alberto Hours,

Yoshihiko Akakabe,

Somboon Tanasupawat,

Pattaraporn Yukphan,

Emiko Shinagawa,

Toshiharu Yakushi,

Kazunobu Matsushita

Publication year - 2010

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.100698

Subject(s) - acetic acid bacteria , fermentation , bacteria , food science , chemistry , acetic acid , oxidative phosphorylation , biochemistry , lactic acid , microorganism , microbiology and biotechnology , biology , genetics

Production of 4-keto-D-arabonate (4KAB) was confirmed in a culture medium of Gluconacetobacter liquefaciens strains, newly isolated from water kefir in Argentina. The strains rapidly oxidized D-glucose, D-gluconate (GA), and 2-keto-D-gluconate (2KGA), and accumulated 2,5-diketo-D-gluconate (25DKA) exclusively before reaching the stationary phase. 25DKA was in turn converted to 4KAB, and 4KAB remained stable in the culture medium. The occurrence of 4KAB was assumed by Ameyama and Kondo about 50 years ago in their study on the carbohydrate metabolism of acetic acid bacteria (Bull. Agr. Chem. Soc. Jpn., 22, 271-272, 380-386 (1958)). This is the first report confirming microbial production of 4KAB.

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