Glutamate production from aerial nitrogen using the nitrogen-fixing bacterium Klebsiella oxytoca.
Commun Biol
; 7(1): 443, 2024 Apr 11.
Article
em En
| MEDLINE
| ID: mdl-38605181
ABSTRACT
Glutamate is an essential biological compound produced for various therapeutic and nutritional applications. The current glutamate production process requires a large amount of ammonium, which is generated through the energy-consuming and CO2-emitting Haber-Bosch process; therefore, the development of bio-economical glutamate production processes is required. We herein developed a strategy for glutamate production from aerial nitrogen using the nitrogen-fixing bacterium Klebsiella oxytoca. We showed that a simultaneous supply of glucose and citrate as carbon sources enhanced the nitrogenase activity of K. oxytoca. In the presence of glucose and citrate, K. oxytoca strain that was genetically engineered to increase the supply of 2-oxoglutarate, a precursor of glutamate synthesis, produced glutamate extracellularly more than 1 g L-1 from aerial nitrogen. This strategy offers a sustainable and eco-friendly manufacturing process to produce various nitrogen-containing compounds using aerial nitrogen.
Texto completo:
1
Bases de dados:
MEDLINE
Assunto principal:
Ácido Glutâmico
/
Klebsiella oxytoca
Idioma:
En
Revista:
Commun Biol
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
Japão