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A Reum Kim 5 Articles
Short-chain fatty acids inhibit the biofilm formation of Streptococcus gordonii through negative regulation of competence-stimulating peptide signaling pathway
Taehwan Park , Jintaek Im , A Reum Kim , Dongwook Lee , Sungho Jeong , Cheol-Heui Yun , Seung Hyun Han
J. Microbiol. 2021;59(12):1142-1149.   Published online December 4, 2021
DOI: https://doi.org/10.1007/s12275-021-1576-8
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  • 14 Web of Science
  • 17 Crossref
AbstractAbstract
Streptococcus gordonii, a Gram-positive commensal bacterium, is an opportunistic pathogen closely related to initiation and progression of various oral diseases, such as periodontitis and dental caries. Its biofilm formation is linked with the development of such diseases by enhanced resistance against antimicrobial treatment or host immunity. In the present study, we investigated the effect of short-chain fatty acids (SCFAs) on the biofilm formation of S. gordonii. SCFAs, including sodium acetate (NaA), sodium propionate (NaP), and sodium butyrate (NaB), showed an effective inhibitory activity on the biofilm formation of S. gordonii without reduction in bacterial growth. SCFAs suppressed S. gordonii biofilm formation at early time points whereas SCFAs did not affect its preformed biofilm. A quorum-sensing system mediated by competence-stimulating peptide (CSP) is known to regulate biofilm formation of streptococci. Interestingly, SCFAs substantially decreased mRNA expression of comD and comE, which are CSP-sensor and its response regulator responsible for CSP pathway, respectively. Although S. gordonii biofilm formation was enhanced by exogenous synthetic CSP treatment, such effect was not observed in the presence of SCFAs. Collectively, these results suggest that SCFAs have an anti-biofilm activity on S. gordonii through inhibiting comD and comE expression which results in negative regulation of CSP quorum-sensing system. SCFAs could be an effective anti-biofilm agent against S. gordonii for the prevention of oral diseases.

Citations

Citations to this article as recorded by  
  • Potential effects of prebiotic fibers on dental caries: a systematic review
    Constanza E. Fernández, Catalina Maturana‐Valenzuela, Nicol Rojas‐Castillo, Bob Rosier
    Journal of the Science of Food and Agriculture.2025;[Epub]     CrossRef
  • Serotype-Dependent Inhibition of Streptococcus pneumoniae Growth by Short-Chain Fatty Acids
    Suwon Lim, Dongwook Lee, Sungho Jeong, Jeong Woo Park, Jintaek Im, Bokeum Choi, Donghyun Gwak, Cheol-Heui Yun, Ho Seong Seo, Seung Hyun Han
    Journal of Microbiology and Biotechnology.2024; 34(1): 47.     CrossRef
  • Comprehensive Multi-Omic Evaluation of the Microbiota and Metabolites in the Colons of Diverse Swine Breeds
    Yanbin Zhu, Guangming Sun, Yangji Cidan, Bin Shi, Zhankun Tan, Jian Zhang, Wangdui Basang
    Animals.2024; 14(8): 1221.     CrossRef
  • Recent progress in understanding the role of bacterial extracellular DNA: focus on dental biofilm
    Fengxue Geng, Junchao Liu, Jinwen Liu, Ze Lu, Yaping Pan
    Critical Reviews in Microbiology.2024; : 1.     CrossRef
  • Effects of Epigallocatechin gallate on Biofilm adherence and Glycolytic pH in Streptococcus gordonii
    Prawati Nuraini, Dimas Prasetianto Wicaksono, Ardianti Maartrina Dewi, Adinda Ayu Fitriana, Sili Han
    Research Journal of Pharmacy and Technology.2024; : 4711.     CrossRef
  • Oral Pathogens and Their Antibiotics from Marine Organisms: A Systematic Review of New Drugs for Novel Drug Targets
    Sehyeok Im, Jun Hyuck Lee, Youn-Soo Shim
    Journal of Dental Hygiene Science.2024; 24(2): 84.     CrossRef
  • Effects of the gut microbiota and its metabolite short-chain fatty acids on endometriosis
    Menghe Liu, Ru Peng, Chunfang Tian, Jianping Shi, Jiannan Ma, Ruiwen Shi, Xiao Qi, Rongwei Zhao, Haibin Guan
    Frontiers in Cellular and Infection Microbiology.2024;[Epub]     CrossRef
  • Butyrate potentiates Enterococcus faecalis lipoteichoic acid-induced inflammasome activation via histone deacetylase inhibition
    Ok-Jin Park, Ye-Eun Ha, Ju-Ri Sim, Dongwook Lee, Eun-Hye Lee, Sun-Young Kim, Cheol-Heui Yun, Seung Hyun Han
    Cell Death Discovery.2023;[Epub]     CrossRef
  • Gut microbiota short-chain fatty acids and their impact on the host thyroid function and diseases
    María José Mendoza-León, Ashutosh K. Mangalam, Alejandro Regaldiz, Enrique González-Madrid, Ma. Andreina Rangel-Ramírez, Oscar Álvarez-Mardonez, Omar P. Vallejos, Constanza Méndez, Susan M. Bueno, Felipe Melo-González, Yorley Duarte, Ma. Cecilia Opazo, Al
    Frontiers in Endocrinology.2023;[Epub]     CrossRef
  • Crosstalk between microbial biofilms in the gastrointestinal tract and chronic mucosa diseases
    Yumeng Wang, Shixi Xu, Qiurong He, Kun Sun, Xiaowan Wang, Xiaorui Zhang, Yuqing Li, Jumei Zeng
    Frontiers in Microbiology.2023;[Epub]     CrossRef
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    Leli Wang, Yiru Zhang, Juan Xu, Qingqing Shi, Yao Peng, Cimin Long, Lan Li, Yulong Yin
    The Innovation Life.2023; 1(2): 100022.     CrossRef
  • The Complicated Relationship of Short-Chain Fatty Acids and Oral Microbiome: A Narrative Review
    Georgy E. Leonov, Yurgita R. Varaeva, Elena N. Livantsova, Antonina V. Starodubova
    Biomedicines.2023; 11(10): 2749.     CrossRef
  • Social networking at the microbiome-host interface
    Richard J. Lamont, George Hajishengallis, Hyun Koo, Anthony R. Richardson
    Infection and Immunity.2023;[Epub]     CrossRef
  • Making Sense of Quorum Sensing at the Intestinal Mucosal Interface
    Friederike Uhlig, Niall P. Hyland
    Cells.2022; 11(11): 1734.     CrossRef
  • Food-Grade Bacteria Combat Pathogens by Blocking AHL-Mediated Quorum Sensing and Biofilm Formation
    Kirsi Savijoki, Paola San-Martin-Galindo, Katriina Pitkänen, Minnamari Edelmann, Annika Sillanpää, Cim van der Velde, Ilkka Miettinen, Jayendra Z. Patel, Jari Yli-Kauhaluoma, Mataleena Parikka, Adyary Fallarero, Pekka Varmanen
    Foods.2022; 12(1): 90.     CrossRef
  • Innate immunity and microbial dysbiosis in hidradenitis suppurativa – vicious cycle of chronic inflammation
    Divya Chopra, Rachel A. Arens, Watcharee Amornpairoj, Michelle A. Lowes, Marjana Tomic-Canic, Natasa Strbo, Hadar Lev-Tov, Irena Pastar
    Frontiers in Immunology.2022;[Epub]     CrossRef
  • Drugs for the Quorum Sensing Inhibition of Oral Biofilm: New Frontiers and Insights in the Treatment of Periodontitis
    Alessandro Polizzi, Martina Donzella, Giada Nicolosi, Simona Santonocito, Paolo Pesce, Gaetano Isola
    Pharmaceutics.2022; 14(12): 2740.     CrossRef
Lactobacillus plantarum lipoteichoic acid disrupts mature Enterococcus faecalis biofilm
A Reum Kim , Minji Kang , Yeon-Jee Yoo , Cheol-Heui Yun , Hiran Perinpanayagam , Kee-Yeon Kum , Seung Hyun Han
J. Microbiol. 2020;58(4):314-319.   Published online January 28, 2020
DOI: https://doi.org/10.1007/s12275-020-9518-4
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  • 20 Web of Science
  • 19 Crossref
AbstractAbstract
Apical periodontitis is caused by biofilm-mediated root canal infection. Early phase oral bacterial biofilms are inhibited by Lactobacillus plantarum lipoteichoic acid (Lp.LTA). However, mature biofilms that develop over 3 weeks are more resistant to traditional endodontic medicaments. Therefore, this study examined the effectiveness of Lp.LTA on disrupting mature Enterococcus faecalis biofilms, and on enhancing the effects of endodontic medicaments. LTA was purified from L. plantarum through butanol extraction followed by hydrophobic and ion-exchange chromatography. E. faecalis biofilms were formed over 3 weeks on glass bottom dishes and in dentin blocks obtained from human single-rooted premolars. These mature biofilms were treated with or without Lp.LTA for 1 h, followed by additional treatment with either chlorhexidine digluconate (CHX), calcium hydroxide (CH), or triple antibiotics for 24 h. Biofilms on glass were live/dead stained and quantified by ZEN through confocal laser microscopy. Biofilms in dentin were fixed, sputter coated and analyzed by ImageJ with scanning electron microscopy. Preformed E. faecalis mature biofilms on the culture dishes were dose-dependently disrupted by Lp.LTA. Lp.LTA potentiated the effects of CHX or CH on the disruption of mature biofilm. Interestingly, CHX-induced disruption of preformed E. faecalis mature biofilms was synergistically enhanced only when pretreated with Lp.LTA. Furthermore, in the dentin block model, Lp.LTA alone reduced E. faecalis mature biofilm and pre-treatment with Lp.LTA promoted the anti-biofilm activity of CHX. Lp.LTA could be an anti-biofilm or supplementary agent that can be effective for E. faecalis-biofilminduced diseases.

Citations

Citations to this article as recorded by  
  • A Systematic Review of the Comparative Efficacy of Lactobacillus Probiotics and Sodium Hypochlorite as Intracanal Irrigants Against Enterococcus faecalis
    Mrinalini Mrinalini, Alpa Gupta, Dax Abraham, Arun Kumar Duraisamy, Rajat Sharma
    Cureus.2024;[Epub]     CrossRef
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    Xinyan Huang, Jianhang Bao, Mingzhen Yang, Yingying Li, Youwen Liu, Yuankun Zhai
    Journal of Oral Microbiology.2024;[Epub]     CrossRef
  • Lipoteichoic Acid from Lacticaseibacillus rhamnosus GG as a Novel Intracanal Medicament Targeting Enterococcus faecalis Biofilm Formation
    Ji-Young Yoon, Somin Park, Dongwook Lee, Ok-Jin Park, WooCheol Lee, Seung Hyun Han
    Journal of Microbiology.2024; 62(10): 897.     CrossRef
  • Isolation, Identification and Antibacterial Characteristics of Lacticaseibacillus rhamnosus YT
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    Foods.2024; 13(17): 2706.     CrossRef
  • Restriction of growth and biofilm formation of ESKAPE pathogens by caprine gut-derived probiotic bacteria
    Prerna Saini, Repally Ayyanna, Rishi Kumar, Sayan Kumar Bhowmick, Vinay Bhaskar, Bappaditya Dey
    Frontiers in Microbiology.2024;[Epub]     CrossRef
  • Enterococcus Phage vB_EfaS_HEf13 as an Anti-Biofilm Agent Against Enterococcus faecalis
    Dongwook Lee, Jintaek Im, A Reum Kim, Woohyung Jun, Cheol-Heui Yun, Seung Hyun Han
    Journal of Microbiology.2024; 62(8): 683.     CrossRef
  • Antibacterial effectiveness of multi-strain probiotics supernatants intracanal medication on Enterococcus faecalis biofilm in a tooth model
    Shymaa Shaaban, Salma Genena, Alaaeldin Elraggal, Gamal M. Hamad, Marwa A. Meheissen, Sybel Moussa
    BMC Oral Health.2023;[Epub]     CrossRef
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    Heng Li, Changlin Chen, Yuanxin Li, Zhengqiang Li, Chen Li, Chang Luan
    Foods.2023; 12(23): 4276.     CrossRef
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    Giusy Rita Maria La Rosa, Eugenio Pedullà
    Australian Endodontic Journal.2023; 49(S1): 528.     CrossRef
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    Mohammadreza Vatankhah, Kamyar Khosravi, Nazanin Zargar, Armin Shirvani, MohammadHossein Nekoofar, Omid Dianat
    Journal of Conservative Dentistry.2022; 25(5): 463.     CrossRef
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    M.K. Yadav, P. Yadav, M. Dhiman, S. Tewari, S.K. Tiwari
    Letters in Applied Microbiology.2022; 75(3): 623.     CrossRef
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    Shatha Safadi, Harsh Maan, Ilana Kolodkin-Gal, Igor Tsesis, Eyal Rosen
    Pharmaceutics.2022; 14(4): 751.     CrossRef
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    Hisham Elnawam, Menatallah Abdelmougod, Ahmed Mobarak, Mai Hussein, Hamdy Aboualmakarem, Michael Girgis, Rania El Backly
    Frontiers in Bioengineering and Biotechnology.2022;[Epub]     CrossRef
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    Clinical Microbiology Reviews.2021;[Epub]     CrossRef
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    mBio.2021;[Epub]     CrossRef
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    Vinoo Subramaniam Ramachandran, Mensudar Rathakrishnan, Malathy Balaraman Ravindrran, Alargarsamy Venkatesh, Vidhya Shankari Shanmugasundaram, Karpagavinayagam Kumaraguru
    Journal of Pure and Applied Microbiology.2021; 15(2): 534.     CrossRef
  • Lactobacillus plantarum Lipoteichoic Acids Possess Strain-Specific Regulatory Effects on the Biofilm Formation of Dental Pathogenic Bacteria
    Dongwook Lee, Jintaek Im, Dong Hyun Park, Sungho Jeong, Miri Park, Seokmin Yoon, Jaewoong Park, Seung Hyun Han
    Frontiers in Microbiology.2021;[Epub]     CrossRef
  • Streptococcus gordonii: Pathogenesis and Host Response to Its Cell Wall Components
    Ok-Jin Park, Yeongkag Kwon, Chaeyeon Park, Yoon Ju So, Tae Hwan Park, Sungho Jeong, Jintaek Im, Cheol-Heui Yun, Seung Hyun Han
    Microorganisms.2020; 8(12): 1852.     CrossRef
Lipoteichoic acids of lactobacilli inhibit Enterococcus faecalis biofilm formation and disrupt the preformed biofilm
Solmin Jung , Ok-Jin Park , A Reum Kim , Ki Bum Ahn , Dongwook Lee , Kee-Yeon Kum , Cheol-Heui Yun , Seung Hyun Han
J. Microbiol. 2019;57(4):310-315.   Published online January 22, 2019
DOI: https://doi.org/10.1007/s12275-019-8538-4
  • 99 View
  • 0 Download
  • 52 Web of Science
  • 49 Crossref
AbstractAbstract
Enterococcus faecalis, a Gram-positive bacterium commonly isolated in patients with refractory apical periodontitis, invades dentin tubules easily and forms biofilms. Bacteria in biofilms, which contribute to recurrent and/or chronic inflammatory diseases, are more resistant to antimicrobial agents than planktonic cells and easily avoid phagocytosis. Although Lactobacillus plantarum lipoteichoic acid (Lp.LTA) is associated with biofilm formation, the effect of Lp.LTA on biofilm formation by E. faecalis is not clearly understood. In this study, we investigated whether Lp.LTA inhibits E. faecalis biofilm formation. The degree of biofilm formation was determined by using crystal violet assay and LIVE/DEAD bacteria staining. The quantification of bacterial growth was determined by measuring the optical density at 600 nm with a spectrophotometer. Formation of biofilms on human dentin slices was observed under a scanning electron microscope. E. faecalis biofilm formation was reduced by Lp.LTA treatment in a dose-dependent manner. Lp.LTA inhibited biofilm development of E. faecalis at the early stage without affecting bacterial growth. LTA from other Lactobacillus species such as Lactobacillus acidophilus, Lactobacillus casei, or Lactobacillus rhamnosus GG also inhibited E. faecalis biofilm formation. In particular, among LTAs from various lactobacilli, Lp.LTA showed the highest inhibitory effect on biofilms formed by E. faecalis. Interestingly, LTAs from lactobacilli could remove the biofilm preformed by E. faecalis. These inhibitory effects were also observed on the surface of human dentin slices. In conclusion, Lactobacillus species LTA inhibits biofilm formation caused by E. faecalis and it could be used as an anti-biofilm agent for prevention or treatment against E. faecalis-associated diseases.

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Gamma-irradiation of Streptococcus pneumoniae for the use as an immunogenic whole cell vaccine
Min Yong Jwa , Soyoung Jeong , Eun Byeol Ko , A Reum Kim , Hyun Young Kim , Sun Kyung Kim , Ho Seong Seo , Cheol-Heui Yun , Seung Hyun Han
J. Microbiol. 2018;56(8):579-585.   Published online July 25, 2018
DOI: https://doi.org/10.1007/s12275-018-8347-1
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AbstractAbstract
Streptococcus pneumoniae is a major respiratory pathogen that causes millions of deaths worldwide. Although subunit vaccines formulated with the capsular polysaccharides or their protein conjugates are currently-available, low-cost vaccines with wide serotype coverage still remain to be developed, especially for developing countries. Recently, gamma- irradiation has been considered as an effective inactivation
method
to prepare S. pneumoniae vaccine candidate. In this study, we investigated the immunogenicity and protective immunity of gamma-irradiated S. pneumoniae (r-SP), by comparing with heat-inactivated S. pneumoniae (h-SP) and formalin-inactivated S. pneumoniae (f-SP), both of which were made by traditional inactivation methods. Intranasal immunization of C57BL/6 mice with r-SP in combination with cholera toxin as an adjuvant enhanced S. pneumoniaespecific antibodies on the airway mucosal surface and in sera more potently than that with h-SP or f-SP under the same conditions. In addition, sera from mice immunized with r- SP potently induced opsonophagocytic killing activity more effectively than those of h-SP or f-SP, implying that r-SP could induce protective antibodies. Above all, immunization with r-SP effectively protected mice against S. pneumoniae infection. Collectively, these results suggest that gamma- irradiation is an effective method for the development of a killed whole cell pneumococcal vaccine that elicits robust mucosal and systemic immune responses.

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  • Immune Responses to Irradiated Pneumococcal Whole Cell Vaccine
    Eunbyeol Ko, Soyoung Jeong, Min Yong Jwa, A Reum Kim, Ye-Eun Ha, Sun Kyung Kim, Sungho Jeong, Ki Bum Ahn, Ho Seong Seo, Cheol-Heui Yun, Seung Hyun Han
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The synthetic human beta-defensin-3 C15 peptide exhibits antimicrobial activity against Streptococcus mutans, both alone and in combination with dental disinfectants
Ki Bum Ahn , A Reum Kim , Kee-Yeon Kum , Cheol-Heui Yun , Seung Hyun Han
J. Microbiol. 2017;55(10):830-836.   Published online September 28, 2017
DOI: https://doi.org/10.1007/s12275-017-7362-y
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AbstractAbstract
Streptococcus mutans is a major etiologic agent of human dental caries that forms biofilms on hard tissues in the human oral cavity, such as tooth and dentinal surfaces. Human β-defensin-3 (HBD3) is a 45-amino-acid natural antimicrobial peptide that has broad spectrum antimicrobial activity against bacteria and fungi. A synthetic peptide consisting of the C-terminal 15 amino acids of HBD3 (HBD3-C15) was recently shown to be sufficient for its antimicrobial activity. Thus, clinical applications of this peptide have garnered attention. In this study, we investigated whether HBD3-C15 inhibits the growth of the representative cariogenic pathogen Streptococcus mutans and its biofilm formation. HBD3-C15 inhibited bacterial growth, exhibited bactericidal activity, and attenuated bacterial biofilm formation in a dose-dependent manner. HBD3-C15 potentiated the bactericidal and anti-biofilm activity of calcium hydroxide (CH) and chlorhexidine digluconate (CHX), which are representative disinfectants used in dental clinics, against S. mutans. Moreover, HBD3-C15 showed antimicrobial activity by inhibiting biofilm formation by S. mutans and other dentinophilic bacteria such as Enterococcus faecalis and Streptococcus gordonii, which are associated with dental caries and endodontic infection, on human dentin slices. These effects were observed for HBD3-C15 alone and for HBD3-C15 in combination with CH or CHX. Therefore, we suggest that HBD3-C15 is a potential alternative or additive disinfectant that can be used for the treatment of oral infectious diseases, including dental caries and endodontic infections.

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A Reum Kim 1 Article
Enterococcus Phage vB_EfaS_HEf13 as an Anti-Biofilm Agent Against Enterococcus faecalis
Dongwook Lee, Jintaek Im, A Reum Kim, Woohyung Jun, Cheol-Heui Yun, Seung Hyun Han
J. Microbiol. 2024;62(8):683-693.   Published online June 27, 2024
DOI: https://doi.org/10.1007/s12275-024-00150-z
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AbstractAbstract
Enterococcus faecalis is a Gram-positive bacterium that is frequently found in the periapical lesion of patients with apical periodontitis. Its biofilm formation in root canal is closely related to the development of refractory apical periodontitis by providing increased resistance to endodontic treatments. Phage therapy has recently been considered as an efficient therapeutic strategy in controlling various periodontal pathogens. We previously demonstrated the bactericidal capacities of Enterococcus phage vB_EfaS_HEf13 (phage HEf13) against clinically-isolated E. faecalis strains. Here, we investigated whether phage HEf13 affects biofilm formation and pre-formed biofilm of clinically-isolated E. faecalis, and its combinatory effect with endodontic treatments, including chlorhexidine (CHX) and penicillin. The phage HEf13 inhibited biofilm formation and disrupted pre-formed biofilms of E. faecalis in a dose- and time-dependent manner. Interestingly, phage HEf13 destroyed E. faecalis biofilm exopolysaccharide (EPS), which is known to be a major component of bacterial biofilm. Furthermore, combined treatment of phage HEf13 with CHX or penicillin more potently inhibited biofilm formation and disrupted pre-formed biofilm than either treatment alone. Confocal laser scanning microscopic examination demonstrated that these additive effects of the combination treatments on disruption of pre-formed biofilm are mediated by relatively enhanced reduction in thickness distribution and biomass of biofilm. Collectively, our results suggest that the effect of phage HEf13 on E. faecalis biofilm is mediated by its EPS-degrading property, and its combination with endodontic treatments more potently suppresses E. faecalis biofilm, implying that phage HEf13 has potential to be used as a combination therapy against E. faecalis infections.

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