Nitrogen fixation by some locally isolated bacteria
Bulletin of the Faculty of Science-University of Alexandria. 1987; 27 (4): 451-466
en Inglés
| IMEMR
| ID: emr-8585
ABSTRACT
Several bacterial isolates were tested for their potentiality to fix atmospheric nitrogen. Azomonas macrocytogenes was selected as the experimental organism because of the paucity of knowledge on the N[2] fixation by this organism. Total N[2]fixed was obtained with the modified Winogradsky N[2]free medium. Glucose was superior among the different carbon sources tested, supporting the highest value of total N[2]fixed. The essential amino [except cystine] were detected both within the cells as well as in the culture broth. Low levels of ammonia were found in the cell exudates, whereas relatively higher yields were detected intracellularly
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Índice:
IMEMR (Mediterraneo Oriental)
Asunto principal:
Pseudomonadaceae
/
Azotobacter
Idioma:
Inglés
Revista:
Bull. Fac. Sci.-Univ. Alex.
Año:
1987
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