Aerobic Growth of and Activities of NADH Oxidase and NADH Peroxidase in Lactic Acid Bacteria
スポンサーリンク
概要
- 論文の詳細を見る
Aerobic growth of 22 strains of lactic acid bacteria of the genera Lactobacillus, Pediococcus, Leuconostoc, Streptococcus, and Enterococcus was investigated. Most strains grew well under aerobic conditions in parallel with an increase in the growth yield. Homofermentatives and heterofermentatives produced acetic acid under aerobic conditions with a decrease in latic acid or ethanol in the culture medium. NADH oxidase and NADH peroxidase activities were detected in a wide variety of the bacteria. Most strains showed the activity of NADH oxidase that produced water, and some strains showed the activity of NADH oxidase that produced hydrogen peroxide. L. delbrueckii subsp. delbrueckii NRIC 1053 and L. fermentum H3 and Y6 accumulated hydrogen peroxide in the culture medium, and these strains grew poorly under aerobic conditions, which might have been due to hydrogen peroxide toxicity. The hydrogen peroxide was eliminated by the addition of catalase to the culture medium. The activities of NADH oxidase and NADH peroxidase were enhanced by the addition of FAD to the reaction mixture. A possible role of FAD in the reaction was discussed.
- 公益社団法人日本生物工学会の論文
- 1996-09-25
著者
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Komagata Kazuo
Department Of Agricultural Chemistry Tokyo University Of Agriculture
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Sakamoto Mitsuo
Department Of Agricultural Chemistry Tokyo University Of Agriculture
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