DOI QR코드

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Effect of the Antimicrobial Peptide $\small{D}$-Nal-Pac-525 on the Growth of Streptococcus mutans and Its Biofilm Formation

  • Li, Huajun (Department of Biochemistry and Molecular Biology, Dalian Medical University) ;
  • Cheng, Jya-Wei (Institute of Biotechnology and Department of Medical Science, National Tsing Hua University) ;
  • Yu, Hui-Yuan (Institute of Biotechnology and Department of Medical Science, National Tsing Hua University) ;
  • Xin, Yi (Department of Biotechnology, Dalian Medical University) ;
  • Tang, Li (Department of Microecology, Dalian Medical University) ;
  • Ma, Yufang (Department of Biochemistry and Molecular Biology, Dalian Medical University)
  • 투고 : 2013.12.14
  • 심사 : 2013.04.23
  • 발행 : 2013.08.28

초록

Streptococcus mutans is the primary etiological agent of dental caries. The antimicrobial peptide $\small{D}$-Nal-Pac-525 was designed by replacing the tryptophans of the Trp-rich peptide Pac-525 with $\small{D}$-${\beta}$-naphthyalanines. To assess the effect of $\small{D}$-Nal-Pac-525 on cariogenic bacteria, the activity of $\small{D}$-Nal-Pac-525 on the growth of S. mutans and its biofilm formation were examined. $\small{D}$-Nal-Pac-525 showed robust antimicrobial activity against S. mutans (minimum inhibitory concentration of 4 ${\mu}g/ml$). Using scanning electron microscopy and transmission electron microscopy, it was shown that $\small{D}$-Nal-Pac-525 caused morphological changes and damaged the cell membrane of S. mutans. $\small{D}$-Nal-Pac-525 inhibited biofilm formation of S. mutans at 2 ${\mu}g/ml$. The results of this study suggest that $\small{D}$-Nal-Pac-525 has great potential for clinical application as a dental caries-preventing agent.

키워드

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피인용 문헌

  1. The virulence of Streptococcus mutans and the ability to form biofilms vol.33, pp.4, 2013, https://doi.org/10.1007/s10096-013-1993-7
  2. Enhancement of Antibacterial Activity of Short Tryptophan-rich Antimicrobial Peptide Pac-525 by Replacing Trp with His(chx) vol.35, pp.9, 2013, https://doi.org/10.5012/bkcs.2014.35.9.2818
  3. High In Vitro Antibacterial Activity of Pac-525 against Porphyromonas gingivalis Biofilms Cultured on Titanium vol.2015, pp.None, 2015, https://doi.org/10.1155/2015/909870
  4. Antimicrobial Peptide-Polymer Conjugates for Dentistry vol.2, pp.3, 2013, https://doi.org/10.1021/acsapm.9b00921
  5. Temporin-Like Peptides Show Antimicrobial and Anti-Biofilm Activities against Streptococcus mutans with Reduced Hemolysis vol.25, pp.23, 2020, https://doi.org/10.3390/molecules25235724
  6. Antimicrobial peptides for the prevention and treatment of dental caries: A concise review vol.122, pp.None, 2013, https://doi.org/10.1016/j.archoralbio.2020.105022