Conversion of Nitrite of Nitrate by Nitrite-Resistant Yeasts

Takashi Tachiki, Kenji Sakai, Katsu Yamamoto, Masayuki Hatanaka, Tatsurokuro Tochikura

研究成果: Contribution to journalArticle査読

5 被引用数 (Scopus)


Candida species YK 11 and YK 92 and Geotrichum candidum YK 57, which were isolated as nitrite-resistants, converted nitrite in the culture medium to nitrate stoichiometrically during growth. The nitrite-oxidizing reaction was confirmed under aerobic conditions in the intact cell system with 15 mMnitrite, 150 mm glucose, and 100 mm Tris-HCl buffer (pH 7.0). Glucose or other carbohydrate which supported the microbial growth was indispensable for the reaction. The rate of oxidation (0.9~1.3 } 105 µg-N/g of YK 92 cells-day) and the maximum amounts of nitrate formed in the culture medium (200 mm, 2800 µg-N/ml) were much larger than those of other heterotrophic nitrifiers and almost the same as those of Nitrobacter. The nitrite-oxidizing activity was demonstrated in many types of yeast species.

ジャーナルAgricultural and Biological Chemistry
出版ステータス出版済み - 1988

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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