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Provedor de dados:  Acta biol.Colomb.
País:  Colombia
Título:  THE IMPORTANCE OF ANTIMICROBIAL COMPOUNDS PRODUCED BY BENEFICIAL BACTERIA ON THE BIOCONTROL OF PHYTOPATHOGENS
Autores:  CESA-LUNA,Catherine
BAEZ,Antonino
QUINTERO-HERNÁNDEZ,Verónica
CRUZ-ENRÍQUEZ,Joel DE LA
CASTAÑEDA-ANTONIO,Ma Dolores
MUÑOZ-ROJAS,Jesús
Data:  2020-04-01
Ano:  2020
Palavras-chave:  Antagonism
Antibiotic
Competition
Inhibition
PGPR
Resumo:  ABSTRACT Bacteria produce antimicrobial compounds to compete for nutrients and space in a particular habitat. Antagonistic interactions can be evaluated by several methodologies including the double-layer agar and simultaneous inhibition assays. Among the well-known inhibitory substances produced by bacteria are the broad-spectrum antibiotics, organic acids, siderophores, antifungal, and bacteriocins. The most studied bacterial genera able to produce these inhibitory substances are Enterococcus, Lactococcus, Streptomyces, Bacillus, Pseudomonas, Klebsiella, Escherichia, and Burkholderia. Some beneficial bacteria can promote plant growth and degrade toxic compounds in the environment representing an attractive solution to diverse issues in agriculture and soil pollution, particularly in fields with damaged soils where pesticides and fertilizers have been indiscriminately used. Beneficial bacteria may increase plant health by inhibiting pathogenic microorganisms; some examples include Gluconacetobacter diazotrophicus, Azospirullum brasilense, Pseudomonas fluorescens, Pseudomonas protegens, and Burkholderia tropica. However, most studies showing the antagonistic potential of these bacteria have been performed in vitro, and just a few of them have been evaluated in association with plants. Several inhibitory substances involved in pathogen antagonism have not been elucidated yet; in fact, we know only 1 % of the bacterial diversity in a natural environment leading us to assume that many other inhibitory substances remain unexplored. In this review, we will describe the characteristics of some antimicrobial compounds produced by beneficial bacteria, the principal methodologies performed to evaluate their production, modes of action, and their importance for biotechnological purposes.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2020000100140
Editor:  Universidad Nacional de Colombia, Facultad de Ciencias, Departamento de Biología
Relação:  10.15446/abc.v25n1.76867
Formato:  text/html
Fonte:  Acta Biológica Colombiana v.25 n.1 2020
Direitos:  info:eu-repo/semantics/openAccess
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