Studies on Brevibacterium linens metabolism in fermentor - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Accéder directement au contenu
Article Dans Une Revue Applied Microbiology and Biotechnology Année : 1987

Studies on Brevibacterium linens metabolism in fermentor

Etudes du metabolisme de Brevibacterium linens dans un fermenteur

Résumé

Growth and metabolism of Brevibacterium linens were studied in a fermentor regulated for fixed levels of pH (7.5 to 8.5), temperature (20–30° C) and dissolved oxygen (40%–60% of air saturated medium). The curves of disappearance of l-lactate and amino acids were invariable, indicating that phenylalanine, tyrosine, arginine, proline, glutamic acid and histidine are growth-limiting nutrients. Ornithine appeared at the beginning of cultures when oxygen consumption was low. Ammonia was produced, but large quantities were observed only when amino acid concentrations were higher than that of the carbon source. When the latter was low, the ammonia produced was consumed before a number of amino acids as an easily assimilable nitrogen source. Whether alkali or acid was consumed to maintain constant pH depended on the pH of the medium and on maximal growth rates.
Fichier non déposé

Dates et versions

hal-02727235 , version 1 (02-06-2020)

Identifiants

  • HAL Id : hal-02727235 , version 1
  • PRODINRA : 82367

Citer

Marie-Hélène Famelart, C. Bouillanne, André Kobilinsky, M. Desmazeaud. Studies on Brevibacterium linens metabolism in fermentor. Applied Microbiology and Biotechnology, 1987, 26 (4), pp.378-382. ⟨hal-02727235⟩

Collections

INRA INRAE MATHNUM
21 Consultations
0 Téléchargements

Partager

Gmail Facebook X LinkedIn More