Research advances on the antimicrobial effect of bacteriostatic substances from Bacillus spp.
Bacillus spp.are the dominant microbial population in soil and plant microecology.Bacillus is a type of biocontrol bacteria that has been extensively studied and applied due to its anti-adversity ability and good antimicrobial activity.Bacillus spp.can produce a variety of volatile substances,such as alcohols,ketones and acids,which can effectively inhibit the growth of many microbial pathogens.In addition,Bacillus spp.can also synthesize a variety of non-volatile inhibition substances,such as lipopeptides,polyketides and cyclic dipeptides,to inhibit the growth of certain bacteria and fungi.The antimicrobial mechanisms of Bacillus spp.mainly involve the disruption of the cell walls and membranes of pathogenic bacteria and the interference of the metabolic pathways of pathogenic bacteria and fungi.This article summarized the volatile and non-volatile inhibition substances from Bacillus spp.fermentation broth and their inhibition mechanisms,and provided a reference for the in-depth development and application of Bacillus spp.as biocontrol bacteria.
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