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Master NG, Markande AR. Importance of microbial amphiphiles: interaction potential of biosurfactants, amyloids, and other exo-polymeric-substances. World J Microbiol Biotechnol 2023; 39:320. [PMID: 37747579 DOI: 10.1007/s11274-023-03751-9] [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: 02/01/2023] [Accepted: 09/04/2023] [Indexed: 09/26/2023]
Abstract
Microorganisms produce a diverse group of biomolecules having amphipathic nature (amphiphiles). Microbial amphiphiles, including amyloids, bio-surfactants, and other exo-polymeric substances, play a crucial role in various biological processes and have gained significant attention recently. Although diverse in biochemical composition, these amphiphiles have been reported for common microbial traits like biofilm formation and pathogenicity due to their ability to act as surface active agents with active interfacial properties essential for microbes to grow in various niches. This enables microbes to reduce surface tension, emulsification, dispersion, and attachment at the interface. In this report, the ecological importance and biotechnological usage of important amphiphiles have been discussed. The low molecular weight amphiphiles like biosurfactants, siderophores, and peptides showing helical and antimicrobial activities have been extensively reported for their ability to work as quorum-sensing mediators. While high molecular weight amphiphiles make up amyloid fibers, exopolysaccharides, liposomes, or magnetosomes have been shown to have a significant influence in deciding microbial physiology and survival. In this report, we have discussed the functional similarities and biochemical variations of several amphipathic biomolecules produced by microbes, and the present report shows these amphiphiles showing polyphyletic and ecophysiological groups of microorganisms and hence can `be replaced in biotechnological applications depending on the compatibility of the processes.
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Affiliation(s)
- Nishita G Master
- Department of Biological Sciences, P.D. Patel Institute of Applied Sciences (PDPIAS), Charotar University of Science and Technology (CHARUSAT), Changa, Anand, Gujarat, 388421, India
| | - Anoop R Markande
- Department of Biological Sciences, P.D. Patel Institute of Applied Sciences (PDPIAS), Charotar University of Science and Technology (CHARUSAT), Changa, Anand, Gujarat, 388421, India.
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Benedito Machado G, Montovam Monteiro C, Gonçalves JMLA, Pavani C. Enhancing Antimicrobial Photodynamic Therapy with Phenothiazinium Dyes and Sodium Dodecyl Sulfate Against Candida Albicans at Various Growth Stages. Photodiagnosis Photodyn Ther 2023:103628. [PMID: 37230408 DOI: 10.1016/j.pdpdt.2023.103628] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/20/2023] [Accepted: 05/22/2023] [Indexed: 05/27/2023]
Abstract
BACKGROUND The eradication of C. albicans is difficult due to the organization of the yeast in biofilms. Photodynamic therapy (PDT) has been proposed as an alternative to antifungals. Phenothiazinium dyes, e.g. methylene blue (MB), have been proposed as photosensitizing agents (PS), and their association with sodium dodecyl sulfate (SDS) has recently been shown to improve the effectiveness of PDT in planktonic culture. In this sense, the objective of this work was to evaluate the effect of PDT with phenothiazinium dyes associated to SDS in biofilms at the different stages of growth. METHODS Experiments were carried out to evaluate the effects of PDT on biofilm formation and on established biofilms of C. albicans ATCC 10231. Samples were exposed to PS 50 mg/L (MB, Azure A - AA, Azure B - AB and dimethyl methylene blue - DMMB) dissolved in water or 0.25% SDS, for 5 minutes in the dark. After irradiation at 660 nm, 37.3mW/cm2 for 27 minutes, 60.4J/cm2 colony forming units count assay (CFU/mL) was performed. One or two irradiations were applied. Statistical methods were used to assess effectiveness. RESULTS PSs showed low toxicity in the dark. An application of PDT irradiation was not able to reduce the CFU/mL both in mature biofilms (24h) and in biofilms in the dispersion phase (48h), only in the adherence phase did PDT prevent the formation of biofilms. With two successive applications of PDT irradiation in the dispersion phase, PDT with MB, AA, and DMMB completely inactivated C. albicans. The similar was not observed with mature biofilms. CONCLUSIONS Different stages of biofilm growth respond differently to PDT, with the greatest inhibitory effect found in the adhesion stage. Mature and dispersed biofilms are less susceptible to PDT. The use of two successive applications of PDT with PSs associated with SDS may be a useful approach to inactivate C. albicans biofilms.
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Affiliation(s)
- Gabriela Benedito Machado
- Postgraduate Program in Biophotonics Applied to Health Sciences, Universidade Nove de Julho - UNINOVE, Rua Vergueiro 235-249, 01504-001, São Paulo, SP, Brazil.
| | - Carolina Montovam Monteiro
- Postgraduate Program in Biophotonics Applied to Health Sciences, Universidade Nove de Julho - UNINOVE, Rua Vergueiro 235-249, 01504-001, São Paulo, SP, Brazil.
| | - José Marcelo Lacerda Alves Gonçalves
- Postgraduate Program in Biophotonics Applied to Health Sciences, Universidade Nove de Julho - UNINOVE, Rua Vergueiro 235-249, 01504-001, São Paulo, SP, Brazil.
| | - Christiane Pavani
- Postgraduate Program in Biophotonics Applied to Health Sciences, Universidade Nove de Julho - UNINOVE, Rua Vergueiro 235-249, 01504-001, São Paulo, SP, Brazil.
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He J, Hong M, Xie W, Chen Z, Chen D, Xie S. Progress and prospects of nanomaterials against resistant bacteria. J Control Release 2022; 351:301-323. [PMID: 36165865 DOI: 10.1016/j.jconrel.2022.09.030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 12/18/2022]
Abstract
Drug-resistant bacterial infections are increasingly heightening, which lead to more severe illness, higher cost of treatment and increased risk of death. Nanomaterials-based therapy, an "outrider", serving as a kind of innovative antimicrobial therapeutics, showing promise in replacing antimicrobial agents and enhancing the activity of antibiotics, generally bases on the various inorganic and/or organic materials. When the size of those materials is below to a certain nano-level and the content of nanomaterials is above a certain amount, they are lethal to the resistant bacteria, which bypass the traditional bacterial resistance mechanisms. This review highlights the effect of nanomaterials in combating extracellular/intracellular bacteria and eradicating biofilms. Based on the studies searched on the Web of Science through relevant keywords, this review article starts with analyzing the current situation, resistance mechanisms, and treatment difficulties of bacteria resistance. Then, the efficacy of nanomaterials against resistant bacteria and their mechanisms (e.g., physical impairment, biofilm lysis, regulating bacterial metabolism, protein and DNA replication as well as enhancing the antibiotics concentration in infected cells) are collected. Lastly, the factors affecting the antibacterial efficacy are argued from the side of nanomatrials and bacterium, which followed by the emerging challenges and recent perspectives of achieving higher targeting released nanomaterials as antibacterial therapeutics.
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Affiliation(s)
- Jian He
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Mian Hong
- National Reference Laboratory of Veterinary Drug Residues (HZAU), MAO Key Laboratory for Detection of Veterinary Drug Residues, China
| | - Wenqing Xie
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Zhen Chen
- National Reference Laboratory of Veterinary Drug Residues (HZAU), MAO Key Laboratory for Detection of Veterinary Drug Residues, China
| | - Dongmei Chen
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei 430070, China.
| | - Shuyu Xie
- National Reference Laboratory of Veterinary Drug Residues (HZAU), MAO Key Laboratory for Detection of Veterinary Drug Residues, China.
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Zhao X, Lan W, Yang X, Xie J. Inactivation effect and protective barriers damage caused to
Shewanella putrefaciens
by stable chlorine dioxide combined with slightly acidic electrolyzed water. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xinyu Zhao
- College of Food Science and Technology Shanghai Ocean University Shanghai China
| | - Weiqing Lan
- College of Food Science and Technology Shanghai Ocean University Shanghai China
- Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center Shanghai China
| | - Xin Yang
- College of Food Science and Technology Shanghai Ocean University Shanghai China
| | - Jing Xie
- College of Food Science and Technology Shanghai Ocean University Shanghai China
- Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center Shanghai China
- National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University) Shanghai China
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Bellotto O, Semeraro S, Bandiera A, Tramer F, Pavan N, Marchesan S. Polymer Conjugates of Antimicrobial Peptides (AMPs) with d-Amino Acids (d-aa): State of the Art and Future Opportunities. Pharmaceutics 2022; 14:pharmaceutics14020446. [PMID: 35214178 PMCID: PMC8879212 DOI: 10.3390/pharmaceutics14020446] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 02/11/2022] [Accepted: 02/14/2022] [Indexed: 12/15/2022] Open
Abstract
In recent years, antimicrobial peptides (AMPs) have enjoyed a renaissance, as the world is currently facing an emergency in terms of severe infections that evade antibiotics’ treatment. This is due to the increasing emergence and spread of resistance mechanisms. Covalent conjugation with polymers is an interesting strategy to modulate the pharmacokinetic profile of AMPs and enhance their biocompatibility profile. It can also be an effective approach to develop active coatings for medical implants and devices, and to avoid biofilm formation on their surface. In this concise review, we focus on the last 5 years’ progress in this area, pertaining in particular to AMPs that contain d-amino acids, as well as their role, and the advantages that may arise from their introduction into AMPs.
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Affiliation(s)
- Ottavia Bellotto
- Chemical and Pharmaceutical Sciences Department, University of Trieste, 34127 Trieste, Italy; (O.B.); (S.S.)
| | - Sabrina Semeraro
- Chemical and Pharmaceutical Sciences Department, University of Trieste, 34127 Trieste, Italy; (O.B.); (S.S.)
| | - Antonella Bandiera
- Life Sciences Department, University of Trieste, 34127 Trieste, Italy; (A.B.); (F.T.)
| | - Federica Tramer
- Life Sciences Department, University of Trieste, 34127 Trieste, Italy; (A.B.); (F.T.)
| | - Nicola Pavan
- Medical, Surgical and Health Sciences Department, University of Trieste, 34127 Trieste, Italy;
| | - Silvia Marchesan
- Chemical and Pharmaceutical Sciences Department, University of Trieste, 34127 Trieste, Italy; (O.B.); (S.S.)
- Correspondence:
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PEGylation enhances the antibacterial and therapeutic potential of amphibian host defence peptides. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2022; 1864:183806. [PMID: 34656552 DOI: 10.1016/j.bbamem.2021.183806] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 09/24/2021] [Accepted: 10/10/2021] [Indexed: 11/20/2022]
Abstract
Aurein 2.1, aurein 2.6 and aurein 3.1 are amphibian host defence peptides that kill bacteria via the use of lytic amphiphilic α-helical structures. The C-terminal PEGylation of these peptides led to decreased antibacterial activity (Minimum Lethal Concentration (MLCs) ↓ circa one and a half to threefold), reduced levels of amphiphilic α-helical structure in solvents (α-helicity ↓ circa 15.0%) and lower surface activity (Δπ ↓ > 1.5 mN m-1). This PEGylation of aureins also led to decreased levels of amphiphilic α-helical structure in the presence of anionic membranes and zwitterionic membranes (α-helicity↓ > 10.0%) as well as reduced levels of penetration (Δπ ↓ > 3.0 mN m-1) and lysis (lysis ↓ > 10.0%) of these membranes. Based on these data, it was proposed that the antibacterial action of PEGylated aureins involved the adoption of α-helical structures that promote the lysis of bacterial membranes, but with lower efficacy than their native counterparts. However, PEGylation also reduced the haemolytic activity of native aureins to negligible levels (haemolysis ↓ from circa 10% to 3% or less) and improved their relative therapeutic indices (RTIs ↑ circa three to sixfold). Based on these data, it is proposed that PEGylated aureins possess the potential for therapeutic development; for example, to combat infections due to multi-drug resistant strains of S. aureus, designated as high priority by the World Health Organization.
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Xue B, Huang J, Zhang H, Li B, Xu M, Zhang Y, Xie M, Li X. Micronized curcumin fabricated by supercritical CO2 to improve antibacterial activity against Pseudomonas aeruginosa. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2020; 48:1135-1143. [PMID: 32896157 DOI: 10.1080/21691401.2020.1815755] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Baiji Xue
- The Second Affiliated Hospital of Guangzhou Medical University; Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital; Department of Biomedical Engineering, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, PR China
- School of Basic Medical Sciences, Baicheng Medical College, Baicheng, PR China
| | - Jinxiang Huang
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People’s Hospital; State Key Laboratory of Respiratory Disease, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, PR China
| | - Haoxiang Zhang
- The Second Affiliated Hospital of Guangzhou Medical University; Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital; Department of Biomedical Engineering, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, PR China
| | - Bingliang Li
- Nan Shan School, Guangzhou Medical University, Guangzhou, PR China
| | - Man Xu
- The Second Affiliated Hospital of Guangzhou Medical University; Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital; Department of Biomedical Engineering, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, PR China
| | - Yuelan Zhang
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People’s Hospital; State Key Laboratory of Respiratory Disease, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, PR China
| | - Maobin Xie
- The Second Affiliated Hospital of Guangzhou Medical University; Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital; Department of Biomedical Engineering, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, PR China
| | - Xuefeng Li
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People’s Hospital; State Key Laboratory of Respiratory Disease, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, PR China
- Shenzhen Luohu People’s Hospital, The Third Affiliated Hospital of Shenzhen University, Shenzhen, PR China
- Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, PR China
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Chang MC, Luo TY, Huang CY, Peng CL, Chen KY, Yeh LK. The new ophthalmic formulation for infection control by combining collagen/gelatin/alginate biomaterial with liposomal chloramphenicol. Biomed Phys Eng Express 2020; 6:045017. [DOI: 10.1088/2057-1976/ab97a2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Wang C, Makvandi P, Zare EN, Tay FR, Niu L. Advances in Antimicrobial Organic and Inorganic Nanocompounds in Biomedicine. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000024] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Chen‐yu Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of StomatologyDepartment of Prosthodontics, School of StomatologyThe Fourth Military Medical University Xi'an Shaanxi 710000 China
| | - Pooyan Makvandi
- Chemistry Department, Faculty of ScienceShahid Chamran University of Ahvaz Ahvaz 6153753843 Iran
- Institute for Polymers, Composites, and Biomaterials (IPCB), National Research Council (CNR) Naples 80125 Italy
| | | | - Franklin R. Tay
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of StomatologyDepartment of Prosthodontics, School of StomatologyThe Fourth Military Medical University Xi'an Shaanxi 710000 China
- College of Graduate StudiesAugusta University Augusta GA 30912 USA
| | - Li‐na Niu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of StomatologyDepartment of Prosthodontics, School of StomatologyThe Fourth Military Medical University Xi'an Shaanxi 710000 China
- College of Graduate StudiesAugusta University Augusta GA 30912 USA
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