Oxidative stress in Lactococcus lactis
Genet. mol. res. (Online)
; 2(4): 348-359, Dec. 2003.
Artigo
em Inglês
| LILACS
| ID: lil-417595
Biblioteca responsável:
BR1.1
RESUMO
Lactococcus lactis, the most extensively characterized lactic acid bacterium, is a mesophilic- and microaerophilic-fermenting microorganism widely used for the production of fermented food products. During industrial processes, L. lactis is often exposed to multiple environmental stresses (low and high temperature, low pH, high osmotic pressure, nutrient starvation and oxidation) that can cause loss or reduction of bacterial viability, reproducibility, as well as organoleptic and/or fermentative qualities. Among these stress factors, oxidation can be considered one of the most deleterious to the cell, causing cellular damage at both molecular and metabolic levels. During the last two decades, considerable efforts have been made to improve our knowledge of oxidative stress in L. lactis. Many genes involved with both oxidative stress resistance and control mechanisms have been identified; functionally they seem to overlap. The finding of new genes, and a better understanding of the molecular mechanisms of stress resistance in L. lactis and other lactic acid bacterium, will lead to the construction and isolation of stress-resistant strains. Such strains could be exploited for both traditional and probiotic uses
Texto completo:
Disponível
Coleções:
Bases de dados internacionais
Base de dados:
LILACS
Assunto principal:
Lactococcus lactis
/
Estresse Oxidativo
Tipo de estudo:
Estudo prognóstico
Idioma:
Inglês
Revista:
Genet. mol. res. (Online)
Assunto da revista:
Biologia Molecular
/
Genética
Ano de publicação:
2003
Tipo de documento:
Artigo
País de afiliação:
Brasil
Instituição/País de afiliação:
Federal University of Minas Gerais/BR