Inhibition of the growth of six enteric bacteria by Bacillus subtilis BS-3
Yuan Pei-na
Abstract
Yuan Pei-na
Abstract
Objective Inhibition of the growth of six enteric bacteria by Bacillus subtilis BS-3 was studied.Methods Calculating each number of the BS-3 and six pathogenic bacterium(ETEC,EIEC,EPEC,Salmonella typhimurium,Sh.flexneri and Sh.sonnei) after mixing growth.Results The numbers of the BS-3 increased after mixing growth with the other six pathogenic bacterium for 24,48,72 or 96 hours.Whereas the numbers of the other six pathogenic bacterium decreased as the incubation time went on.The decreases of ETEC,EPEC or Sh.sonnei were distinct from the controls.Conclusion The Bacillus subtilis BS-3 could decrease the propagation of the six pathogenic bacterium obviously in the course of incubation.
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Objective Inhibition of the growth of six enteric bacteria by Bacillus subtilis BS-3 was studied.Methods Calculating each number of the BS-3 and six pathogenic bacterium(ETEC,EIEC,EPEC,Salmonella typhimurium,Sh.flexneri and Sh.sonnei) after mixing growth.Results The numbers of the BS-3 increased after mixing growth with the other six pathogenic bacterium for 24,48,72 or 96 hours.Whereas the numbers of the other six pathogenic bacterium decreased as the incubation time went on.The decreases of ETEC,EPEC or Sh.sonnei were distinct from the controls.Conclusion The Bacillus subtilis BS-3 could decrease the propagation of the six pathogenic bacterium obviously in the course of incubation.
Key concepts: Bacillus subtilis, Pathogenic bacteria, Microbiology, Bacteria, Salmonella, Incubation, Biology, Enteric bacteria