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de Jongh CA, Bikker FJ, de Vries TJ, Werner A, Gibbs S, Krom BP. Porphyromonas gingivalis interaction with Candida albicans allows for aerobic escape, virulence and adherence. Biofilm 2024; 7:100172. [PMID: 38226024 PMCID: PMC10788424 DOI: 10.1016/j.bioflm.2023.100172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 12/12/2023] [Accepted: 12/12/2023] [Indexed: 01/17/2024] Open
Abstract
In the oral cavity Candida albicans interacts with many oral bacteria, including Porphyromonas gingivalis, both physically and metabolically. The aim of this in vitro study was to characterize these interactions and study their effects on the survival of P. gingivalis. First, metabolic interactions were evaluated by counting the colony forming units (CFU) after co-culturing. The results indicated that the anaerobic bacterium P. gingivalis survives under aerobic conditions when co-cultured with C. albicans. This is due to the oxygen consumption by C. albicans as determined by a reduction in survival upon the addition of Antimycin A. By measuring the protease activity, it was found that the presence of C. albicans induced gingipain activity by P. gingivalis, which is an important virulence factor. Adherence of P. gingivalis to hyphae of C. albicans was observed with a dynamic flow system. Using various C. albicans mutants, it was shown that the mechanism of adhesion was mediated by the cell wall adhesins, members of the agglutinin-like sequence (Als) family: Als3 and Als1. Furthermore, the two microorganisms could be co-cultured into forming a biofilm in which P. gingivalis can survive under aerobic culturing conditions, which was imaged using scanning electron microscopy. This study has further elucidated mechanisms of interaction, virulence acquisition and survival of P. gingivalis when co-cultured with C. albicans. Such survival could be essential for the pathogenicity of P. gingivalis in the oxygen-rich niches of the oral cavity. This study has emphasized the importance of interaction between different microbes in promoting survival, virulence and attachment of pathogens, which could be essential in facilitating penetration into the environment of the host.
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Affiliation(s)
- Caroline A. de Jongh
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Department of Oral Biochemistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Floris J. Bikker
- Department of Oral Biochemistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Teun J. de Vries
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Arie Werner
- Department of Dental Materials Science, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Susan Gibbs
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Bastiaan P. Krom
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
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2
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Chen S, He F, Cheng X. Analysis of subgingival bacterial and fungal diversity in patients with peri-implantitis based on 16sRNA and internal transcribed spacer sequencing. Future Microbiol 2024; 19:397-411. [PMID: 38047905 DOI: 10.2217/fmb-2023-0228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 11/13/2023] [Indexed: 12/05/2023] Open
Abstract
Aim: To analyze subgingival fungal diversity in peri-implant inflammation patients and their relationship with bacteria. Methods: We collected saliva samples from four groups. 16sRNA and internal transcribed spacer sequencing was performed preceded by quantitative PCR and enzyme-linked immunosorbent assay tests. Analyses were done using R and Cytoscape software. Results: Significant differences were observed in the Abundance-based Coverage Estimator (ACE) index between control and peri-implantitis samples. Basidiomycota was the dominant fungal species, while Firmicutes dominated the bacteria. The most abundant fungal and bacterial species were 's_unclassified g Apiotrichum' and 's_unclassified g Streptococcus', respectively. Dothiorella was strongly associated with immunoglobulin G levels, with positive correlations between specific microorganisms and peri-implantitis in Q-PCR. Conclusion: Our findings have significant clinical implications, suggesting specific fungal and bacterial taxa roles in peri-implant inflammation.
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Affiliation(s)
- Song Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
| | - Fuming He
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
| | - Xi Cheng
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, 310000, China
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3
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Huang XW, Pan W, Zhong MZ, Chhonker YS, Steele AD, Keohane CE, Mishra B, Felix Raj Lucas LO, Murry DJ, Ausubel FM, Wuest WM, Li CX, Mylonakis E. Biological Evaluation of the Antibacterial Retinoid CD437 in Cutibacterium acnes Infection. Antimicrob Agents Chemother 2023; 67:e0167922. [PMID: 36943064 PMCID: PMC10112217 DOI: 10.1128/aac.01679-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 02/24/2023] [Indexed: 03/23/2023] Open
Abstract
Acne vulgaris is a complex skin disease involving infection by Cutibacterium acnes, inflammation, and hyperkeratinization. We evaluated the activity of the retinoid 6-[3-(adamantyl)-4-hydroxyphenyl]-2-naphthalene carboxylic acid (CD437) and 16 other retinoid analogs as potential anti-C. acnes compounds and found that CD437 displayed the highest antimicrobial activity with an MIC against C. acnes (ATCC 6919 and HM-513) of 1 μg/mL. CD437 demonstrated an MBC of 2 μg/mL compared to up to 64 μg/mL for the retinoid adapalene and up to 16 μg/mL for tetracycline, which are commonly used clinically to treat acne. Membrane permeability assays demonstrated that exposure of C. acnes ATCC 6919 to CD437 damaged the integrity of C. acnes ATCC 6919 bacterial membranes, and this finding was confirmed with scanning electron microscopy. Additionally, CD437 downregulated the expression of C. acnes ATCC 6919 virulence factors, including the genes encoding Christie-Atkins-Munch-Petersen factor 1 (CAMP1), CAMP2, glycerol-ester hydrolase B (GehB), sialidase B, and neuraminidase. In a mouse skin infection model of C. acnes ATCC 6919, topical treatment with CD437 ameliorated skin lesions and reduced the bacterial burden in situ (P < 0.001). In human NHEK primary cells, CD437 reduced the transcriptional levels of the coding genes for inflammatory cytokines (interleukin-1α, ~10-fold; interleukin-6, ~20-fold; interleukin-8, ~30-fold; and tumor necrosis factor-alpha, ~6-fold) and downregulated the transcriptional levels of KRT10 (~10-fold), FLG (~4-fold), and TGM1 (~2-fold), indicating that CD437 can diminish inflammation and hyperkeratinization. In summary, CD437 deserves further attention for its dual function as a potential acne therapeutic that potentially acts on both the pathogen and the host.
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Affiliation(s)
- Xiao-wen Huang
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Wen Pan
- Division of Infectious Diseases, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
| | - Mei-zhen Zhong
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yashpal Singh Chhonker
- Department of Pharmacy Practice and Science, College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Andrew D. Steele
- Department of Chemistry, Emory University, Atlanta, Georgia, USA
| | | | - Biswajit Mishra
- Division of Infectious Diseases, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
| | - Lewis Oscar Felix Raj Lucas
- Division of Infectious Diseases, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
| | - Daryl J. Murry
- Department of Pharmacy Practice and Science, College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Frederick M. Ausubel
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts, USA
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, USA
| | - William M. Wuest
- Department of Chemistry, Emory University, Atlanta, Georgia, USA
- Emory Antibiotic Resistance Center, Emory University, Atlanta, Georgia, USA
| | - Chang-xing Li
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Eleftherios Mylonakis
- Division of Infectious Diseases, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
- Department of Medicine, Houston Methodist Hospital and Academic Institute, Houston, Texas, USA
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4
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Téllez Corral MA, Herrera Daza E, Cuervo Jimenez HK, Bravo Becerra MDM, Villamil JC, Hidalgo Martinez P, Roa Molina NS, Otero L, Cortés ME, Parra Giraldo CM. Cryptic Oral Microbiota: What Is Its Role as Obstructive Sleep Apnea-Related Periodontal Pathogens? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1740. [PMID: 36767109 PMCID: PMC9913967 DOI: 10.3390/ijerph20031740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/07/2023] [Accepted: 01/12/2023] [Indexed: 06/18/2023]
Abstract
Periodontitis has been commonly linked to periodontopathogens categorized in Socransky's microbial complexes; however, there is a lack of knowledge regarding "other microorganisms" or "cryptic microorganisms", which are rarely thought of as significant oral pathogens and have been neither previously categorized nor connected to illnesses in the oral cavity. This study hypothesized that these cryptic microorganisms could contribute to the modulation of oral microbiota present in health or disease (periodontitis and/or obstructive sleep apnea (OSA) patients). For this purpose, the presence and correlation among these cultivable cryptic oral microorganisms were identified, and their possible role in both conditions was determined. Data from oral samples of individuals with or without periodontitis and with or without OSA were obtained from a previous study. Demographic data, clinical oral characteristics, and genera and species of cultivable cryptic oral microorganisms identified by MALDI-TOF were recorded. The data from 75 participants were analyzed to determine the relative frequencies of cultivable cryptic microorganisms' genera and species, and microbial clusters and correlations tests were performed. According to periodontal condition, dental-biofilm-induced gingivitis in reduced periodontium and stage III periodontitis were found to have the highest diversity of cryptic microorganism species. Based on the experimental condition, these findings showed that there are genera related to disease conditions and others related to healthy conditions, with species that could be related to different chronic diseases being highlighted as periodontitis and OSA comorbidities. The cryptic microorganisms within the oral microbiota of patients with periodontitis and OSA are present as potential pathogens, promoting the development of dysbiotic microbiota and the occurrence of chronic diseases, which have been previously proposed to be common risk factors for periodontitis and OSA. Understanding the function of possible pathogens in the oral microbiota will require more research.
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Affiliation(s)
- Mayra A. Téllez Corral
- Centro de Investigaciones Odontológicas, Facultad de Odontología, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
- Unidad de Investigación en Proteómica y Micosis Humanas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
- Faculty of Dentistry and Innovation Technology Graduate Program, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Eddy Herrera Daza
- Departamento de Matemáticas, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - Hayde K. Cuervo Jimenez
- Unidad de Investigación en Proteómica y Micosis Humanas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - María del Mar Bravo Becerra
- Unidad de Investigación en Proteómica y Micosis Humanas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - Jean Carlos Villamil
- Centro de Investigaciones Odontológicas, Facultad de Odontología, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - Patricia Hidalgo Martinez
- Sleep Clinic, Hospital Universitario San Ignacio and Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - Nelly S. Roa Molina
- Centro de Investigaciones Odontológicas, Facultad de Odontología, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - Liliana Otero
- Centro de Investigaciones Odontológicas, Facultad de Odontología, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - María E. Cortés
- Faculty of Dentistry and Innovation Technology Graduate Program, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Claudia M. Parra Giraldo
- Unidad de Investigación en Proteómica y Micosis Humanas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
- Departamento de Microbiología y Parasilogía, Facultad de Farmacia, Universidad Complutense de Madrid, 28040 Madrid, Spain
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5
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Coenye T, Spittaels KJ, Achermann Y. The role of biofilm formation in the pathogenesis and antimicrobial susceptibility of Cutibacterium acnes. Biofilm 2021; 4:100063. [PMID: 34950868 PMCID: PMC8671523 DOI: 10.1016/j.bioflm.2021.100063] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 12/20/2022] Open
Abstract
Cutibacterium acnes (previously known as Propionibacterium acnes) is frequently found on lipid-rich parts of the human skin. While C. acnes is most known for its role in the development and progression of the skin disease acne, it is also involved in many other types of infections, often involving implanted medical devices. C. acnes readily forms biofilms in vitro and there is growing evidence that biofilm formation by this Gram-positive, facultative anaerobic micro-organism plays an important role in vivo and is also involved in treatment failure. In this brief review we present an overview on what is known about C. acnes biofilms (including their role in pathogenesis and reduced susceptibility to antibiotics), discuss model systems that can be used to study these biofilms in vitro and in vivo and give an overview of interspecies interactions occurring in polymicrobial communities containing C. acnes.
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Affiliation(s)
- Tom Coenye
- Laboratory of Pharmaceutical Microbiology, Ghent University, Gent, Belgium
| | - Karl-Jan Spittaels
- Laboratory of Pharmaceutical Microbiology, Ghent University, Gent, Belgium
| | - Yvonne Achermann
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
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6
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Medina-Alarcón KP, Tobias da Silva IP, Ferin GG, Pereira-da-Silva MA, Marcos CM, Dos Santos MB, Regasini LO, Chorilli M, Mendes-Giannini MJS, Pavan FR, Fusco-Almeida AM. Mycobacterium tuberculosis and Paracoccidioides brasiliensis Formation and Treatment of Mixed Biofilm In Vitro. Front Cell Infect Microbiol 2021; 11:681131. [PMID: 34790584 PMCID: PMC8591247 DOI: 10.3389/fcimb.2021.681131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 09/16/2021] [Indexed: 12/02/2022] Open
Abstract
Co-infection of Mycobacterium tuberculosis and Paracoccidioides brasiliensis, present in 20% in Latin America, is a public health problem due to a lack of adequate diagnosis. These microorganisms are capable of forming biofilms, mainly in immunocompromised patients, which can lead to death due to the lack of effective treatment for both diseases. The present research aims to show for the first time the formation of mixed biofilms of M. tuberculosis and P. brasiliensis (Pb18) in vitro, as well as to evaluate the action of 3’hydroxychalcone (3’chalc) -loaded nanoemulsion (NE) (NE3’chalc) against monospecies and mixed biofilms, the formation of mixed biofilms of M. tuberculosis H37Rv (ATCC 27294), 40Rv (clinical strains) and P. brasiliensis (Pb18) (ATCC 32069), and the first condition of formation (H37Rv +Pb18) and (40Rv + Pb18) and second condition of formation (Pb18 + H37Rv) with 45 days of total formation time under both conditions. The results of mixed biofilms (H37Rv + Pb18) and (40Rv + Pb18), showed an organized network of M. tuberculosis bacilli in which P. brasiliensis yeasts are connected with a highly extracellular polysaccharide matrix. The (Pb18 + H37Rv) showed a dense biofilm with an apparent predominance of P. brasiliensis and fragments of M. tuberculosis. PCR assays confirmed the presence of the microorganisms involved in this formation. The characterization of NE and NE3’chalc displayed sizes from 145.00 ± 1.05 and 151.25 ± 0.60, a polydispersity index (PDI) from 0.20± 0.01 to 0.16± 0.01, and zeta potential -58.20 ± 0.92 mV and -56.10 ± 0.71 mV, respectively. The atomic force microscopy (AFM) results showed lamellar structures characteristic of NE. The minimum inhibitory concentration (MIC) values of 3’hidroxychalcone (3’chalc) range from 0.97- 7.8 µg/mL and NE3’chalc from 0.24 - 3.9 µg/mL improved the antibacterial activity when compared with 3’chalc-free, no cytotoxicity. Antibiofilm assays proved the efficacy of 3’chalc-free incorporation in NE. These findings contribute to a greater understanding of the formation of M. tuberculosis and P. brasiliensis in the mixed biofilm. In addition, the findings present a new possible NE3’chalc treatment alternative for the mixed biofilms of these microorganisms, with a high degree of relevance due to the lack of other treatments for these comorbidities.
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Affiliation(s)
- Kaila Petronila Medina-Alarcón
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Iara Pengo Tobias da Silva
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Giovana Garcia Ferin
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Marcelo A Pereira-da-Silva
- Institute of Physics of Sao Carlos (IFSC)-University of Sao Paulo (USP) IFSC/USP, Sao Carlos, Brazil.,Exact Sciences and Engineering, Paulista Central University Center (UNICEP), Säo Carlos, Brazil
| | - Caroline Maria Marcos
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Mariana Bastos Dos Santos
- Department of Chemistry and Environmental Sciences, Institute of Biosciences, Humanities and Exact Sciences, Universidade Estadual Paulista, São José do Rio Preto, Brazil
| | - Luis Octávio Regasini
- Department of Chemistry and Environmental Sciences, Institute of Biosciences, Humanities and Exact Sciences, Universidade Estadual Paulista, São José do Rio Preto, Brazil
| | - Marlus Chorilli
- Department of Drug and Medicines, School of Pharmaceutical Sciences, Universidade Estadual Paulista, Araraquara, Brazil
| | - Maria José S Mendes-Giannini
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Fernando Rogerio Pavan
- Department of Biological, School of Pharmaceutical Sciences, Universidade Estadual Paulista, Araraquara, Brazil
| | - Ana Marisa Fusco-Almeida
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
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7
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Khan F, Bamunuarachchi NI, Pham DTN, Tabassum N, Khan MSA, Kim YM. Mixed biofilms of pathogenic Candida-bacteria: regulation mechanisms and treatment strategies. Crit Rev Microbiol 2021; 47:699-727. [PMID: 34003065 DOI: 10.1080/1040841x.2021.1921696] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Mixed-species biofilm is one of the most frequently recorded clinical problems. Mixed biofilms develop as a result of interactions between microorganisms of a single or multiple species (e.g. bacteria and fungi). Candida spp., particularly Candida albicans, are known to associate with various bacterial species to form a multi-species biofilm. Mixed biofilms of Candida spp. have been previously detected in vivo and on the surfaces of many biomedical instruments. Treating infectious diseases caused by mixed biofilms of Candida and bacterial species has been challenging due to their increased resistance to antimicrobial drugs. Here, we review and discuss the clinical significance of mixed Candida-bacteria biofilms as well as the signalling mechanisms involved in Candida-bacteria interactions. We also describe possible approaches for combating infections associated with mixed biofilms, such as the use of natural or synthetic drugs and combination therapy. The review presented here is expected to contribute to the advances in the biomedical field on the understanding of underlying interaction mechanisms of pathogens in mixed biofilm, and alternative approaches to treating the related infections.
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Affiliation(s)
- Fazlurrahman Khan
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, South Korea
| | - Nilushi Indika Bamunuarachchi
- Department of Food Science and Technology, Pukyong National University, Busan, South Korea.,Department of Fisheries and Marine Sciences, Ocean University of Sri Lanka, Tangalle, Sri Lanka
| | - Dung Thuy Nguyen Pham
- Center of Excellence for Biochemistry and Natural Products, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam.,NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Nazia Tabassum
- Industrial Convergence Bionix Engineering, Pukyong National University, Busan, South Korea
| | - Mohd Sajjad Ahmad Khan
- Department of Basic Sciences, Deanship of Preparatory Year and Supporting Studies, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Young-Mog Kim
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, South Korea.,Department of Food Science and Technology, Pukyong National University, Busan, South Korea
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8
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Juin C, Perrin F, Puy T, Bernard C, Mollichella ML, Girardot M, Costa D, Guillard J, Imbert C. Anti-biofilm activity of a semi-synthetic molecule obtained from resveratrol against Candida albicans biofilm. Med Mycol 2021; 58:530-542. [PMID: 31504755 DOI: 10.1093/mmy/myz087] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/09/2019] [Accepted: 08/02/2019] [Indexed: 01/08/2023] Open
Abstract
Candida albicans can form biofilm on tissues and medical devices, becoming, in that case, less susceptible to antifungal agents. Treatment of candidiasis associated with the formation of C. albicans biofilms is restricted to echinocandins and lipid forms of amphotericin B. This study investigated the activity of micafungin and resveratrol modified molecule (EB487) against C. albicans biofilms. The anti-biofilm growth (Bgrowth) and anti-preformed biofilm (Bpreformed) activities of micafungin (0 to 3.94 μM) and EB487 (0 to 20.32 mM) were comparatively studied separately and combined, using XTT, flow cytometry and cell counts approaches. Concentrations causing 50% inhibition of the studied steps (IC50) were evaluated. When tested separately, IC50 Bgrowth was obtained for 4.8 mM and 0.13 μM of EB487 and micafungin respectively, and IC50 Bpreformed for 3.6 mM and 0.06 μM of EB487 and micafungin respectively. Micafungin used alone was not able to totally eradicate fungi. Micafungin combined with EB487 displayed synergistic activity (both anti-growth- and anti-preformed biofilm-activities). Optimal combination concentrations were EB487 (≤9.12 mM -strain ATCC 28367™ or ≤8.12 mM -strain CAI4-p), micafungin (≤0.05 μM for both) and caused a total eradication of fungi. Dose reduction indexes obtained using these concentrations were at least 9 (micafungin) and 3.2 (EB487) for both anti-biofilm growth- and anti-preformed biofilm-activities. Combinations indexes were consistently below one, demonstrating a synergistic relationship between micafungin and EB487 in these conditions. This study demonstrated the strong anti-biofilm activity of EB487 and highlighted its synergistic potential when combined with micafungin. EB487 is a promising semi-synthetic molecule with prophylactic and curative interests in fighting C. albicans biofilms.
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Affiliation(s)
- Camille Juin
- Université de Poitiers, Laboratoire Ecologie Biologie des Interactions, UMR CNRS 7267, 1 rue Michel Brunet TSA 51106 86073 Poitiers Cedex 9 France
| | - Flavie Perrin
- University of Poitiers, Institute of Chemistry, Materials and Naturals Resources of Poitiers, IC2MP, UMR CNRS 7285, University of Poitiers, 4 rue Michel Brunet TSA 51106 86073 Poitiers Cedex 9, France
| | - Thomas Puy
- Université de Poitiers, Laboratoire Ecologie Biologie des Interactions, UMR CNRS 7267, 1 rue Michel Brunet TSA 51106 86073 Poitiers Cedex 9 France
| | - Clément Bernard
- Université de Poitiers, Laboratoire Ecologie Biologie des Interactions, UMR CNRS 7267, 1 rue Michel Brunet TSA 51106 86073 Poitiers Cedex 9 France
| | - Marie Laure Mollichella
- Université de Poitiers, Laboratoire Ecologie Biologie des Interactions, UMR CNRS 7267, 1 rue Michel Brunet TSA 51106 86073 Poitiers Cedex 9 France
| | - Marion Girardot
- Université de Poitiers, Laboratoire Ecologie Biologie des Interactions, UMR CNRS 7267, 1 rue Michel Brunet TSA 51106 86073 Poitiers Cedex 9 France
| | - Damien Costa
- Université de Poitiers, Laboratoire Ecologie Biologie des Interactions, UMR CNRS 7267, 1 rue Michel Brunet TSA 51106 86073 Poitiers Cedex 9 France
| | - Jérôme Guillard
- University of Poitiers, Institute of Chemistry, Materials and Naturals Resources of Poitiers, IC2MP, UMR CNRS 7285, University of Poitiers, 4 rue Michel Brunet TSA 51106 86073 Poitiers Cedex 9, France
| | - Christine Imbert
- Université de Poitiers, Laboratoire Ecologie Biologie des Interactions, UMR CNRS 7267, 1 rue Michel Brunet TSA 51106 86073 Poitiers Cedex 9 France
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9
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Rosenberg M, Visnapuu M, Vija H, Kisand V, Kasemets K, Kahru A, Ivask A. Selective antibiofilm properties and biocompatibility of nano-ZnO and nano-ZnO/Ag coated surfaces. Sci Rep 2020; 10:13478. [PMID: 32778787 PMCID: PMC7417576 DOI: 10.1038/s41598-020-70169-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 07/06/2020] [Indexed: 12/16/2022] Open
Abstract
Spread of pathogenic microbes and antibiotic-resistant bacteria in health-care settings and public spaces is a serious public health challenge. Materials that prevent solid surface colonization or impede touch-transfer of viable microbes could provide means to decrease pathogen transfer from high-touch surfaces in critical applications. ZnO and Ag nanoparticles have shown great potential in antimicrobial applications. Less is known about nano-enabled surfaces. Here we demonstrate that surfaces coated with nano-ZnO or nano-ZnO/Ag composites are not cytotoxic to human keratinocytes and possess species-selective medium-dependent antibiofilm activity against Escherichia coli, Staphylococcus aureus and Candida albicans. Colonization of nano-ZnO and nano-ZnO/Ag surfaces by E. coli and S. aureus was decreased in static oligotrophic conditions (no planktonic growth). Moderate to no effect was observed for bacterial biofilms in growth medium (supporting exponential growth). Inversely, nano-ZnO surfaces enhanced biofilm formation by C. albicans in oligotrophic conditions. However, enhanced C. albicans biofilm formation on nano-ZnO surfaces was effectively counteracted by the addition of Ag. Possible selective enhancement of biofilm formation by the yeast C. albicans on Zn-enabled surfaces should be taken into account in antimicrobial surface development. Our results also indicated the importance of the use of application-appropriate test conditions and exposure medium in antimicrobial surface testing.
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Affiliation(s)
- M Rosenberg
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Tallinn, Estonia.
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia.
| | - M Visnapuu
- Institute of Physics, University of Tartu, Tartu, Estonia
| | - H Vija
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Tallinn, Estonia
| | - V Kisand
- Institute of Physics, University of Tartu, Tartu, Estonia
| | - K Kasemets
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Tallinn, Estonia
| | - A Kahru
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Tallinn, Estonia
- Estonian Academy of Sciences, Tallinn, Estonia
| | - A Ivask
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Tallinn, Estonia
- Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
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Lemoine V, Bernard C, Leman-Loubière C, Clément-Larosière B, Girardot M, Boudesocque-Delaye L, Munnier E, Imbert C. Nanovectorized Microalgal Extracts to Fight Candida albicans and Cutibacterium acnes Biofilms: Impact of Dual-Species Conditions. Antibiotics (Basel) 2020; 9:E279. [PMID: 32466354 PMCID: PMC7344943 DOI: 10.3390/antibiotics9060279] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/22/2020] [Accepted: 05/23/2020] [Indexed: 12/19/2022] Open
Abstract
Biofilm-related infections are a matter of concern especially because of the poor susceptibility of microorganisms to conventional antimicrobial agents. Innovative approaches are needed. The antibiofilm activity of extracts of cyanobacteria Arthrospira platensis, rich in free fatty acids, as well as of extract-loaded copper alginate-based nanocarriers, were studied on single- and dual-species biofilms of Candida albicans and Cutibacterium acnes. Their ability to inhibit the biofilm formation and to eradicate 24 h old biofilms was investigated. Concentrations of each species were evaluated using flow cytometry. Extracts prevented the growth of C. acnes single-species biofilms (inhibition > 75% at 0.2 mg/mL) but failed to inhibit preformed biofilms. Nanovectorised extracts reduced the growth of single-species C. albicans biofilms (inhibition > 43% at 0.2 mg/mL) while free extracts were weakly or not active. Nanovectorised extracts also inhibited preformed C. albicans biofilms by 55% to 77%, whereas the corresponding free extracts were not active. In conclusion, even if the studied nanocarrier systems displayed promising activity, especially against C. albicans, their efficacy against dual-species biofilms was limited. This study highlighted that working in such polymicrobial conditions can give a more objective view of the relevance of antibiofilm strategies by taking into account interspecies interactions that can offer additional protection to microbes.
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Affiliation(s)
- Virginie Lemoine
- Laboratoire Ecologie et Biologie des Interactions, Université de Poitiers, UMR CNRS 7267, 86073 Poitiers, France; (V.L.); (C.B.); (M.G.)
| | - Clément Bernard
- Laboratoire Ecologie et Biologie des Interactions, Université de Poitiers, UMR CNRS 7267, 86073 Poitiers, France; (V.L.); (C.B.); (M.G.)
| | - Charlotte Leman-Loubière
- Laboratoire SIMBA EA 7502, Faculté de Pharmacie, Université de Tours, 31 avenue Monge, 37200 Tours, France; (C.L.-L.); (L.B.-D.)
| | | | - Marion Girardot
- Laboratoire Ecologie et Biologie des Interactions, Université de Poitiers, UMR CNRS 7267, 86073 Poitiers, France; (V.L.); (C.B.); (M.G.)
| | - Leslie Boudesocque-Delaye
- Laboratoire SIMBA EA 7502, Faculté de Pharmacie, Université de Tours, 31 avenue Monge, 37200 Tours, France; (C.L.-L.); (L.B.-D.)
| | - Emilie Munnier
- Laboratoire Nanomédicaments et Nanosondes EA 6295, Faculté de Pharmacie, Université de Tours, 31 avenue Monge, 37200 Tours, France;
| | - Christine Imbert
- Laboratoire Ecologie et Biologie des Interactions, Université de Poitiers, UMR CNRS 7267, 86073 Poitiers, France; (V.L.); (C.B.); (M.G.)
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