<P><B>Abstract</B></P> <P>This study addresses the potential of application of nisin, a polycyclic antimicrobial peptide produced by <I>Lactococcus lactis</I>, as a novel biological agent for control/mitigati...
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https://www.riss.kr/link?id=A107521059
2018
-
SCI,SCIE,SCOPUS
학술저널
52-59(8쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>This study addresses the potential of application of nisin, a polycyclic antimicrobial peptide produced by <I>Lactococcus lactis</I>, as a novel biological agent for control/mitigati...
<P><B>Abstract</B></P> <P>This study addresses the potential of application of nisin, a polycyclic antimicrobial peptide produced by <I>Lactococcus lactis</I>, as a novel biological agent for control/mitigation of biofilms formed by three different microorganisms: (i) <I>Pseudomonas aeruginosa</I> P60, (ii) <I>Bacillus</I> species, and (iii) a mixed culture of the two species. Nisin did not affect the growth rate of either strain, while the viability of <I>Bacillus</I> sp. was decreased, as compared to <I>P. aeruginosa</I> P60. Nisin was particularly effective for the dislodging of bacterial cells and extracellular polymeric substances (EPS) for <I>P. aeruginosa</I> P60. Water permeability of biofouled membranes was recovered by over 92% for all the bacterial strains investigated after nisin cleaning in a dead-end filtration system. Nisin has no detrimental effect on RO membrane and thus, has a potential as a biological agent for the mitigation of membrane biofouling.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Effects of nisin on biofilms were investigated. </LI> <LI> Nisin effectively removes bacteria and EPS from RO membranes. </LI> <LI> Nisin showed high flux recovery in dead-end filtration system. </LI> </UL> </P>