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Rodrigues IC, Rodrigues SC, Duarte FV, da Costa PM, da Costa PM. The Role of Outer Membrane Proteins in UPEC Antimicrobial Resistance: A Systematic Review. MEMBRANES 2022; 12:981. [PMID: 36295740 PMCID: PMC9609314 DOI: 10.3390/membranes12100981] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Uropathogenic Escherichia coli (UPEC) are one of the most common agents of urinary tract infection. In the last decade, several UPEC strains have acquired antibiotic resistance mechanisms and some have become resistant to all classes of antibiotics. UPEC outer membrane proteins (OMPs) seem to have a decisive role not only in the processes of invasion and colonization of the bladder mucosa, but also in mechanisms of drug resistance, by which bacteria avoid killing by antimicrobial molecules. This systematic review was performed according to the PRISMA guidelines, aiming to characterize UPEC OMPs and identify their potential role in antimicrobial resistance. The search was limited to studies in English published during the last decade. Twenty-nine studies were included for revision and, among the 76 proteins identified, seven were associated with antibiotic resistance. Indeed, OmpC was associated with β-lactams resistance and OmpF with β-lactams and fluoroquinolone resistance. In turn, TolC, OmpX, YddB, TosA and murein lipoprotein (Lpp) were associated with fluoroquinolones, enrofloxacin, novobiocin, β-lactams and globomycin resistances, respectively. The clinical implications of UPEC resistance to antimicrobial agents in both veterinary and human medicine must propel the implementation of new strategies of administration of antimicrobial agents, while also promoting the development of improved antimicrobials, protective vaccines and specific inhibitors of virulence and resistance factors.
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Affiliation(s)
- Inês C. Rodrigues
- Laboratório de Microbiologia e Tecnologia Alimentar, Departamento de Produção Aquática, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Sílvia C. Rodrigues
- Pharmaissues, Consultoria, Lda, Rua da Esperança n° 101, Ribeira de Frades, 3045-420 Coimbra, Portugal
| | - Filipe V. Duarte
- Centro de Neurociências e Biologia Celular (CNC), Faculdade de Medicina, Pólo 1, Universidade de Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
| | - Paula M. da Costa
- Microbiology Department, Centro Hospitalar Universitário do Porto, Largo do Prof. Abel Salazar, 4099-001 Porto, Portugal
| | - Paulo M. da Costa
- Laboratório de Microbiologia e Tecnologia Alimentar, Departamento de Produção Aquática, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto, de Lexões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
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2
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Proteome of Staphylococcus aureus Biofilm Changes Significantly with Aging. Int J Mol Sci 2022; 23:ijms23126415. [PMID: 35742863 PMCID: PMC9223533 DOI: 10.3390/ijms23126415] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/30/2022] [Accepted: 06/06/2022] [Indexed: 01/15/2023] Open
Abstract
Staphylococcus aureus is a notorious biofilm-producing pathogen that is frequently isolated from implantable medical device infections. As biofilm ages, it becomes more tolerant to antimicrobial treatment leading to treatment failure and necessitating the costly removal of infected devices. In this study, we performed in-solution digestion followed by TMT-based high-throughput mass spectrometry and investigated what changes occur in the proteome of S. aureus biofilm grown for 3-days and 12-days in comparison with 24 h planktonic. It showed that proteins associated with biosynthetic processes, ABC transporter pathway, virulence proteins, and shikimate kinase pathway were significantly upregulated in a 3-day biofilm, while proteins associated with sugar transporter, degradation, and stress response were downregulated. Interestingly, in a 3-day biofilm, we observed numerous proteins involved in the central metabolism pathways which could lead to biofilm growth under diverse environments by providing an alternative metabolic route to utilize energy. In 12-day biofilms, proteins associated with peptidoglycan biosynthesis, sugar transporters, and stress responses were upregulated, whereas proteins associated with ABC transporters, DNA replication, and adhesion proteins were downregulated. Gene Ontology analysis revealed that more proteins are involved in metabolic processes in 3dwb compared with 12dwb. Furthermore, we observed significant variations in the formation of biofilms resulting from changes in the level of metabolic activity in the different growth modes of biofilms that could be a significant factor in S. aureus biofilm maturation and persistence. Collectively, potential marker proteins were identified and further characterized to understand their exact role in S. aureus biofilm development, which may shed light on possible new therapeutic regimes in the treatment of biofilm-related implant-associated infections.
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Mi F, Hu C, Wang Y, Wang L, Peng F, Geng P, Guan M. Recent advancements in microfluidic chip biosensor detection of foodborne pathogenic bacteria: a review. Anal Bioanal Chem 2022; 414:2883-2902. [PMID: 35064302 PMCID: PMC8782221 DOI: 10.1007/s00216-021-03872-w] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/16/2021] [Accepted: 12/28/2021] [Indexed: 12/19/2022]
Abstract
Foodborne diseases caused by pathogenic bacteria pose a serious threat to human health. Early and rapid detection of foodborne pathogens is an urgent task for preventing disease outbreaks. Microfluidic devices are simple, automatic, and portable miniaturized systems. Compared with traditional techniques, microfluidic devices have attracted much attention because of their high efficiency and convenience in the concentration and detection of foodborne pathogens. This article firstly reviews the bio-recognition elements integrated on microfluidic chips in recent years and the progress of microfluidic chip development for pathogen pretreatment. Furthermore, the research progress of microfluidic technology based on optical and electrochemical sensors for the detection of foodborne pathogenic bacteria is summarized and discussed. Finally, the future prospects for the application and challenges of microfluidic chips based on biosensors are presented.
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Affiliation(s)
- Fang Mi
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, 830017, China
- Department of Cuisine and Tourism, Xinjiang Bingtuan Xingxin Vocational and Technical College, Urumqi, 830074, China
| | - Cunming Hu
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, 830017, China
| | - Ying Wang
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, 830017, China
| | - Li Wang
- Department of Cuisine and Tourism, Xinjiang Bingtuan Xingxin Vocational and Technical College, Urumqi, 830074, China
| | - Fei Peng
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, 830017, China
| | - PengFei Geng
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, 830017, China
| | - Ming Guan
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, 830017, China.
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4
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Zainal Baharin NH, Khairil Mokhtar NF, Mohd Desa MN, Gopalsamy B, Mohd Zaki NN, Yuswan MH, Muthanna A, Dzaraly ND, Abbasiliasi S, Mohd Hashim A, Abdullah Sani MS, Mustafa S. The characteristics and roles of antimicrobial peptides as potential treatment for antibiotic-resistant pathogens: a review. PeerJ 2022; 9:e12193. [PMID: 35003909 PMCID: PMC8679955 DOI: 10.7717/peerj.12193] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 08/31/2021] [Indexed: 01/26/2023] Open
Abstract
The emergence of antibiotic-resistant bacteria has become a significant and ever-increasing threat to global public health, increasing both morbidity and mortality rates, and the financial burden on health services. Infection by drug-resistant bacteria is anticipated to contribute to the demise of almost 10 million people by the year 2050 unless a competent and effective response is devised to engage with this issue. The emergence and spread of resistance are commonly caused by the excessive or inappropriate use of antibiotics and substandard pharmaceuticals. It arises when pathogens adapt to different conditions and develop self-defence mechanisms. Currently, novel antimicrobial peptides (AMPs) have been reported to be the sole cure for some clinical cases of infectious diseases such as sepsis and skin infections, although these agents may, on occasion, require administration together with an adjunctive low-dose antibiotic. Although AMPs are a promising alternative form of anti-microbial therapy and easily applied in the medical sector, they still have limitations that should not be taken lightly. Hence, this review explores the characteristics, advantages and disadvantages of AMPs for their potential in treating antibiotic-resistant pathogens.
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Affiliation(s)
- Nurul Hana Zainal Baharin
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia.,Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Nur Fadhilah Khairil Mokhtar
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Mohd Nasir Mohd Desa
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia.,Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Banulata Gopalsamy
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Nor Nadiha Mohd Zaki
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Mohd Hafis Yuswan
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - AbdulRahman Muthanna
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Nurul Diana Dzaraly
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Sahar Abbasiliasi
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Amalia Mohd Hashim
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Selangor, Malaysia.,Department of Microbiology, Faculty of Biotechnology and Biomolecular Science, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Muhamad Shirwan Abdullah Sani
- International Institute for Halal Research and Training (INHART), International Islamic University Malaysia, Gombak, Selangor, Malaysia
| | - Shuhaimi Mustafa
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Science, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
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Dematei A, Nunes JB, Moreira DC, Jesus JA, Laurenti MD, Mengarda ACA, Vieira MS, do Amaral CP, Domingues MM, de Moraes J, Passero LFD, Brand G, Bessa LJ, Wimmer R, Kuckelhaus SAS, Tomás AM, Santos NC, Plácido A, Eaton P, Leite JRSA. Mechanistic Insights into the Leishmanicidal and Bactericidal Activities of Batroxicidin, a Cathelicidin-Related Peptide from a South American Viper ( Bothrops atrox). JOURNAL OF NATURAL PRODUCTS 2021; 84:1787-1798. [PMID: 34077221 DOI: 10.1021/acs.jnatprod.1c00153] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Snake venoms are important sources of bioactive molecules, including those with antiparasitic activity. Cathelicidins form a class of such molecules, which are produced by a variety of organisms. Batroxicidin (BatxC) is a cathelicidin found in the venom of the common lancehead (Bothrops atrox). In the present work, BatxC and two synthetic analogues, BatxC(C-2.15Phe) and BatxC(C-2.14Phe)des-Phe1, were assessed for their microbicidal activity. All three peptides showed a broad-spectrum activity on Gram-positive and -negative bacteria, as well as promastigote and amastigote forms of Leishmania (Leishmania) amazonensis. Circular dichroism (CD) and nuclear magnetic resonance (NMR) data indicated that the three peptides changed their structure upon interaction with membranes. Biomimetic membrane model studies demonstrated that the peptides exert a permeabilization effect in prokaryotic membranes, leading to cell morphology distortion, which was confirmed by atomic force microscopy (AFM). The molecules considered in this work exhibited bactericidal and leishmanicidal activity at low concentrations, with the AFM data suggesting membrane pore formation as their mechanism of action. These peptides stand as valuable prototype drugs to be further investigated and eventually used to treat bacterial and protozoal infections.
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Affiliation(s)
- Anderson Dematei
- Center for Tropical Medicine, NMT, Faculty of Medicine, University of Brasilia, Brasília 70910-900, Brazil
- Research Center in Morphology and Applied Immunology, NuPMIA, Faculty of Medicine, University of Brasilia, Brasília 70910-900, Brazil
| | - João B Nunes
- Research Center in Morphology and Applied Immunology, NuPMIA, Faculty of Medicine, University of Brasilia, Brasília 70910-900, Brazil
- Laboratory for the Synthesis and Analysis of Biomolecules, LSAB, Institute of Chemistry, University of Brasilia, Brasília 70910-900, Brazil
| | - Daniel C Moreira
- Research Center in Morphology and Applied Immunology, NuPMIA, Faculty of Medicine, University of Brasilia, Brasília 70910-900, Brazil
| | - Jéssica A Jesus
- Institute of Biosciences, São Paulo State University, São Paulo, Brazil
| | - Márcia D Laurenti
- Department of Pathology, Laboratory of Pathology of Infectious Diseases, Faculty of Medicine, University of São Paulo, São Paulo 05508-060, Brazil
| | - Ana C A Mengarda
- Research Center on Neglected Diseases, NPDN, University of Guarulhos, Guarulhos 07023-070, Brazil
| | - Maria Silva Vieira
- I3S, Institute of Research and Innovation in Health, University of Porto, Porto 4099-002, Portugal
- IBMC, Institute of Molecular and Cellular Biology, University of Porto, Porto 4099-002, Portugal
| | - Constança Pais do Amaral
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisbon, Portugal
| | - Marco M Domingues
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisbon, Portugal
| | - Josué de Moraes
- Research Center on Neglected Diseases, NPDN, University of Guarulhos, Guarulhos 07023-070, Brazil
| | - Luiz F D Passero
- Institute of Biosciences, São Paulo State University, São Paulo, Brazil
- Department of Pathology, Laboratory of Pathology of Infectious Diseases, Faculty of Medicine, University of São Paulo, São Paulo 05508-060, Brazil
| | - Guilherme Brand
- Laboratory for the Synthesis and Analysis of Biomolecules, LSAB, Institute of Chemistry, University of Brasilia, Brasília 70910-900, Brazil
| | - Lucinda J Bessa
- LAQV/REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences of the University of Porto, Porto 4099-002, Portugal
| | - Reinhard Wimmer
- Department of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
| | - Selma A S Kuckelhaus
- Research Center in Morphology and Applied Immunology, NuPMIA, Faculty of Medicine, University of Brasilia, Brasília 70910-900, Brazil
| | - Ana M Tomás
- I3S, Institute of Research and Innovation in Health, University of Porto, Porto 4099-002, Portugal
- IBMC, Institute of Molecular and Cellular Biology, University of Porto, Porto 4099-002, Portugal
- ICBAS, Abel Salazar Institute for Biomedical Research, University of Porto, Porto 4099-002, Portugal
| | - Nuno C Santos
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisbon, Portugal
| | - Alexandra Plácido
- LAQV/REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences of the University of Porto, Porto 4099-002, Portugal
| | - Peter Eaton
- LAQV/REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences of the University of Porto, Porto 4099-002, Portugal
- The Bridge, Joseph Banks Laboratories, School of Chemistry, University of Lincoln, Lincoln LN6 7TS, U.K
| | - José Roberto S A Leite
- Center for Tropical Medicine, NMT, Faculty of Medicine, University of Brasilia, Brasília 70910-900, Brazil
- Research Center in Morphology and Applied Immunology, NuPMIA, Faculty of Medicine, University of Brasilia, Brasília 70910-900, Brazil
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6
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Almeida CV, de Oliveira CFR, Dos Santos EL, Dos Santos HF, Júnior EC, Marchetto R, da Cruz LA, Ferreira AMT, Gomes VM, Taveira GB, Costa BO, Franco OL, Cardoso MH, Macedo MLR. Differential interactions of the antimicrobial peptide, RQ18, with phospholipids and cholesterol modulate its selectivity for microorganism membranes. Biochim Biophys Acta Gen Subj 2021; 1865:129937. [PMID: 34052310 DOI: 10.1016/j.bbagen.2021.129937] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 05/15/2021] [Accepted: 05/24/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Antimicrobial peptides (AMPs) are molecules with potential application for the treatment of microorganism infections. We, herein, describe the structure, activity, and mechanism of action of RQ18, an α-helical AMP that displays antimicrobial activity against Gram-positive and Gram-negative bacteria, and yeasts from the Candida genus. METHODS A physicochemical-guided design assisted by computer tools was used to obtain our lead peptide candidate, named RQ18. This peptide was assayed against Gram-positive and Gram-negative bacteria, yeasts, and mammalian cells to determine its selectivity index. The secondary structure and the mechanism of action of RQ18 were investigated using circular dichroism, large unilamellar vesicles, and molecular dynamic simulations. RESULTS RQ18 was not cytotoxic to human lung fibroblasts, peripheral blood mononuclear cells, red blood cells, or Vero cells at MIC values, exhibiting a high selectivity index. Circular dichroism analysis and molecular dynamic simulations revealed that RQ18 presents varying structural profiles in aqueous solution, TFE/water mixtures, SDS micelles, and lipid bilayers. The peptide was virtually unable to release carboxyfluorescein from large unilamellar vesicles composed of POPC/cholesterol, model that mimics the eukaryotic membrane, indicating that vesicles' net charges and the presence of cholesterol may be related with RQ18 selectivity for bacterial and fungal cell surfaces. CONCLUSIONS RQ18 was characterized as a membrane-active peptide with dual antibacterial and antifungal activities, without compromising mammalian cells viability, thus reinforcing its therapeutic application. GENERAL SIGNIFICANCE These results provide further insight into the complex process of AMPs interaction with biological membranes, in special with systems that mimic prokaryotic and eukaryotic cell surfaces.
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Affiliation(s)
- Claudiane V Almeida
- Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
| | - Caio F R de Oliveira
- Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil; Universidade Federal da Grande Dourados, Dourados, Mato Grosso do Sul, Brazil; Oncolytic Anticancer Drugs, Dourados, Mato Grosso do Sul, Brazil
| | - Edson L Dos Santos
- Universidade Federal da Grande Dourados, Dourados, Mato Grosso do Sul, Brazil
| | - Helder F Dos Santos
- Universidade Federal da Grande Dourados, Dourados, Mato Grosso do Sul, Brazil
| | - Edson C Júnior
- Instituto de Química, Departamento de Bioquímica e Química Tecnológica, Universidade Estadual Paulista Júlio de Mesquita Filho, Araraquara, São Paulo, Brazil
| | - Reinaldo Marchetto
- Instituto de Química, Departamento de Bioquímica e Química Tecnológica, Universidade Estadual Paulista Júlio de Mesquita Filho, Araraquara, São Paulo, Brazil
| | - Leticia A da Cruz
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Alda Maria T Ferreira
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Valdirene M Gomes
- Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, Rio de Janeiro, Brazil
| | - Gabriel B Taveira
- Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, Rio de Janeiro, Brazil
| | - Bruna O Costa
- S-inova Biotech, Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | - Octávio L Franco
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brazil; S-inova Biotech, Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | - Marlon H Cardoso
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brazil; S-inova Biotech, Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | - Maria Lígia R Macedo
- Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil.
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de Barros E, Gonçalves RM, Cardoso MH, Santos NC, Franco OL, Cândido ES. Snake Venom Cathelicidins as Natural Antimicrobial Peptides. Front Pharmacol 2019; 10:1415. [PMID: 31849667 PMCID: PMC6895205 DOI: 10.3389/fphar.2019.01415] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 11/07/2019] [Indexed: 01/10/2023] Open
Abstract
Bioactive small molecules isolated from animals, plants, fungi and bacteria, including natural antimicrobial peptides, have shown great therapeutic potential worldwide. Among these peptides, snake venom cathelicidins are being widely exploited, because the variation in the composition of the venom reflects a range of biological activities that may be of biotechnological interest. Cathelicidins are short, cationic, and amphipathic molecules. They play an important role in host defense against microbial infections. We are currently facing a strong limitation on pharmacological interventions for infection control, which has become increasingly complex due to the lack of effective therapeutic options. In this review, we will focus on natural snake venom cathelicidins as promising candidates for the development of new antibacterial agents to fight antibiotic-resistant bacteria. We will highlight their antibacterial and antibiofilm activities, mechanism of action, and modulation of the innate immune response.
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Affiliation(s)
- Elizângela de Barros
- Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil.,S-Inova Biotech, Universidade Católica Dom Bosco, Campo Grande, Brazil
| | - Regina M Gonçalves
- Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil.,S-Inova Biotech, Universidade Católica Dom Bosco, Campo Grande, Brazil
| | - Marlon H Cardoso
- S-Inova Biotech, Universidade Católica Dom Bosco, Campo Grande, Brazil.,Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Brazil
| | - Nuno C Santos
- Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil.,S-Inova Biotech, Universidade Católica Dom Bosco, Campo Grande, Brazil.,Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Octávio L Franco
- Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil.,S-Inova Biotech, Universidade Católica Dom Bosco, Campo Grande, Brazil.,Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Brazil
| | - Elizabete S Cândido
- Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil.,S-Inova Biotech, Universidade Católica Dom Bosco, Campo Grande, Brazil.,Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Brazil
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8
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Non-Lytic Antibacterial Peptides That Translocate Through Bacterial Membranes to Act on Intracellular Targets. Int J Mol Sci 2019; 20:ijms20194877. [PMID: 31581426 PMCID: PMC6801614 DOI: 10.3390/ijms20194877] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/12/2019] [Accepted: 09/14/2019] [Indexed: 11/28/2022] Open
Abstract
The advent of multidrug resistance among pathogenic bacteria has attracted great attention worldwide. As a response to this growing challenge, diverse studies have focused on the development of novel anti-infective therapies, including antimicrobial peptides (AMPs). The biological properties of this class of antimicrobials have been thoroughly investigated, and membranolytic activities are the most reported mechanisms by which AMPs kill bacteria. Nevertheless, an increasing number of works have pointed to a different direction, in which AMPs are seen to be capable of displaying non-lytic modes of action by internalizing bacterial cells. In this context, this review focused on the description of the in vitro and in vivo antibacterial and antibiofilm activities of non-lytic AMPs, including indolicidin, buforin II PR-39, bactenecins, apidaecin, and drosocin, also shedding light on how AMPs interact with and further translocate through bacterial membranes to act on intracellular targets, including DNA, RNA, cell wall and protein synthesis.
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9
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Aisenbrey C, Marquette A, Bechinger B. The Mechanisms of Action of Cationic Antimicrobial Peptides Refined by Novel Concepts from Biophysical Investigations. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1117:33-64. [PMID: 30980352 DOI: 10.1007/978-981-13-3588-4_4] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Even 30 years after the discovery of magainins, biophysical and structural investigations on how these peptides interact with membranes can still bear surprises and add new interesting detail to how these peptides exert their antimicrobial action. Early on, using oriented solid-state NMR spectroscopy, it was found that the amphipathic helices formed by magainins are active when being oriented parallel to the membrane surface. More recent investigations indicate that this in-planar alignment is also found when PGLa and magainin in combination exert synergistic pore-forming activities, where studies on the mechanism of synergistic interaction are ongoing. In a related manner, the investigation of dimeric antimicrobial peptide sequences has become an interesting topic of research which bears promise to refine our views how antimicrobial action occurs. The molecular shape concept has been introduced to explain the effects of lipids and peptides on membrane morphology, locally and globally, and in particular of cationic amphipathic helices that partition into the membrane interface. This concept has been extended in this review to include more recent ideas on soft membranes that can adapt to external stimuli including membrane-disruptive molecules. In this manner, the lipids can change their shape in the presence of low peptide concentrations, thereby maintaining the bilayer properties. At higher peptide concentrations, phase transitions occur which lead to the formation of pores and membrane lytic processes. In the context of the molecular shape concept, the properties of lipopeptides, including surfactins, are shortly presented, and comparisons with the hydrophobic alamethicin sequence are made.
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Affiliation(s)
| | - Arnaud Marquette
- Université de Strasbourg/CNRS, UMR7177, Institut de Chimie, Strasbourg, France
| | - Burkhard Bechinger
- Université de Strasbourg/CNRS, UMR7177, Institut de Chimie, Strasbourg, France. .,Faculté de chimie, Institut le Bel, Strasbourg, France.
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The Two-Component System ZraPSR Is a Novel ESR that Contributes to Intrinsic Antibiotic Tolerance in Escherichia coli. J Mol Biol 2018; 430:4971-4985. [DOI: 10.1016/j.jmb.2018.10.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 09/24/2018] [Accepted: 10/26/2018] [Indexed: 11/22/2022]
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Cardoso MH, de Almeida KC, Cândido ES, Fernandes GDR, Dias SC, de Alencar SA, Franco OL. Comparative transcriptome analyses of magainin I-susceptible and -resistant Escherichia coli strains. Microbiology (Reading) 2018; 164:1383-1393. [DOI: 10.1099/mic.0.000725] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Marlon H. Cardoso
- 3S-Inova Biotech, Pós-graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande-MS, Brazil
- 2Programa de Pós-Graduação em Patologia Molecular, Faculdade de Medicina, Universidade de Brasília, Brasília-DF, Brazil
- 1Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília- DF, Brazil
| | - Keyla C. de Almeida
- 1Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília- DF, Brazil
- 2Programa de Pós-Graduação em Patologia Molecular, Faculdade de Medicina, Universidade de Brasília, Brasília-DF, Brazil
| | - Elizabete S. Cândido
- 1Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília- DF, Brazil
- 3S-Inova Biotech, Pós-graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande-MS, Brazil
| | - Gabriel da R. Fernandes
- 1Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília- DF, Brazil
- 4Oswaldo Cruz Foundation, René Rachou Research Center, Belo Horizonte, MG, Brazil
| | - Simoni C. Dias
- 1Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília- DF, Brazil
- 5Programa de Pós Graduação em Biologia Animal, Universidade de Brasília, Brasília, Brazil
| | - Sérgio A. de Alencar
- 1Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília- DF, Brazil
| | - Octávio L. Franco
- 3S-Inova Biotech, Pós-graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande-MS, Brazil
- 1Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília- DF, Brazil
- 2Programa de Pós-Graduação em Patologia Molecular, Faculdade de Medicina, Universidade de Brasília, Brasília-DF, Brazil
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Marquette A, Bechinger B. Biophysical Investigations Elucidating the Mechanisms of Action of Antimicrobial Peptides and Their Synergism. Biomolecules 2018; 8:E18. [PMID: 29670065 PMCID: PMC6023007 DOI: 10.3390/biom8020018] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 04/13/2018] [Accepted: 04/16/2018] [Indexed: 01/30/2023] Open
Abstract
Biophysical and structural investigations are presented with a focus on the membrane lipid interactions of cationic linear antibiotic peptides such as magainin, PGLa, LL37, and melittin. Observations made with these peptides are distinct as seen from data obtained with the hydrophobic peptide alamethicin. The cationic amphipathic peptides predominantly adopt membrane alignments parallel to the bilayer surface; thus the distribution of polar and non-polar side chains of the amphipathic helices mirror the environmental changes at the membrane interface. Such a membrane partitioning of an amphipathic helix has been shown to cause considerable disruptions in the lipid packing arrangements, transient openings at low peptide concentration, and membrane disintegration at higher peptide-to-lipid ratios. The manifold supramolecular arrangements adopted by lipids and peptides are represented by the 'soft membranes adapt and respond, also transiently' (SMART) model. Whereas molecular dynamics simulations provide atomistic views on lipid membranes in the presence of antimicrobial peptides, the biophysical investigations reveal interesting details on a molecular and supramolecular level, and recent microscopic imaging experiments delineate interesting sequences of events when bacterial cells are exposed to such peptides. Finally, biophysical studies that aim to reveal the mechanisms of synergistic interactions of magainin 2 and PGLa are presented, including unpublished isothermal titration calorimetry (ITC), circular dichroism (CD) and dynamic light scattering (DLS) measurements that suggest that the peptides are involved in liposome agglutination by mediating intermembrane interactions. A number of structural events are presented in schematic models that relate to the antimicrobial and synergistic mechanism of amphipathic peptides when they are aligned parallel to the membrane surface.
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Affiliation(s)
- Arnaud Marquette
- Université de Strasbourg/CNRS, UMR7177, Institut de Chimie, 4, rue Blaise Pascal, 67070 Strasbourg, France.
| | - Burkhard Bechinger
- Université de Strasbourg/CNRS, UMR7177, Institut de Chimie, 4, rue Blaise Pascal, 67070 Strasbourg, France.
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