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He X, Obeng E, Sun X, Kwon N, Shen J, Yoon J. Polydopamine, harness of the antibacterial potentials-A review. Mater Today Bio 2022; 15:100329. [PMID: 35757029 PMCID: PMC9218838 DOI: 10.1016/j.mtbio.2022.100329] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/10/2022] [Accepted: 06/11/2022] [Indexed: 11/11/2022] Open
Abstract
Antibiotic resistance is one of the major causes of morbidity and mortality, triggered by the adhesion of microbes and to some extent the formation of biofilms. This condition has been quite challenging in the health and industrial sector. Conditions and processes required to foil these infectious and resistance are of much concern. The synthesis of PDA material, inspired by the Mytilus edulis foot protein (MEFP)5 possesses unique characteristics that allow for, adhesion, photothermal therapy, synergistic effects with other materials, biocompatibility process, etc. Therefore, their usage holds great potential for dealing with both the infectious nature and the antibiotic resistance processes. Hence, this review provides an overview of the mechanism involved in accomplishing and eradicating bacteria, the recently harnessed antibacterial effect of the PDA through other properties they possess, a way forward in tapping the benefit embedded in the PDA, and the future perspective.
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Affiliation(s)
- Xiaojun He
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Enoch Obeng
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Xiaoshuai Sun
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China
| | - Nahyun Kwon
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Jianliang Shen
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang, 325001, China
| | - Juyoung Yoon
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Republic of Korea
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2
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Sharma P, Kaur S, Chadha BS, Kaur R, Kaur M, Kaur S. Anticancer and antimicrobial potential of enterocin 12a from Enterococcus faecium. BMC Microbiol 2021; 21:39. [PMID: 33541292 PMCID: PMC7860584 DOI: 10.1186/s12866-021-02086-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 01/10/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Increase in the number of infections caused by Gram-negative bacteria in neutropenic cancer patients has prompted the search for novel therapeutic agents having dual anticancer and antimicrobial properties. Bacteriocins are cationic proteins of prokaryotic origin that have emerged as one of the most promising alternative antimicrobial agents with applications as food preservatives and therapeutic agents. Apart from their antimicrobial activities, bacteriocins are also being explored for their anticancer potential. RESULTS In this study, a broad-spectrum, cell membrane-permeabilizing enterocin with a molecular weight of 65 kDa was purified and characterized from the culture supernatant of vaginal Enterococcus faecium 12a. Enterocin 12a inhibited multidrug-resistant strains of various Gram-negative pathogens such as Salmonella enterica, Shigella flexneri, Vibrio cholerae, Escherichia coli and Gram-positive, Listeria monocytogenes, but had no activities against different strains of gut lactobacilli. The mass spectrometric analysis showed that the enterocin 12a shared partial homology with 4Fe-4S domain-containing redox protein of E. faecalis R712. Further, enterocin 12a selectively inhibited the proliferation of various human cancer cell lines in a dose-dependent manner but not that of normal human peripheral blood mononuclear cells. Enterocin 12a-treated cancer cells showed apoptosis-like morphological changes. CONCLUSION Enterocin 12a is a novel bacteriocin that has anticancer properties against human cell lines and negligible activity towards non-malignant cells. Therefore, it should be further evaluated for its anticancer potential in animal models.
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Affiliation(s)
- Preeti Sharma
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Sumanpreet Kaur
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | | | - Raminderjit Kaur
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Manpreet Kaur
- Department of Human Genetics, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Sukhraj Kaur
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab, 143005, India.
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Sharma P, Rashid M, Kaur S. Novel enterocin E20c purified from Enterococcus hirae 20c synergised with ß-lactams and ciprofloxacin against Salmonella enterica. Microb Cell Fact 2020; 19:98. [PMID: 32366243 PMCID: PMC7197179 DOI: 10.1186/s12934-020-01352-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 04/15/2020] [Indexed: 02/06/2023] Open
Abstract
Background An increasing rate of antibiotic resistance among Gram-negative bacterial pathogens has created an urgent need to discover novel therapeutic agents to combat infectious diseases. Use of bacteriocins as therapeutic agents has immense potential due to their high potency and mode of action different from that of conventional antibiotics. Results In this study, a novel bacteriocin E20c of molecular weight 6.5 kDa was purified and characterized from the probiotic strain of Enterococcus hirae. E20c had bactericidal activities against several multidrug resistant (MDR) Gram-negative bacterial pathogens. Flow cytometry and scanning electron microscopy studies showed that it killed the Salmonella enterica cells by forming ion-permeable channels in the cell membrane leading to enhanced cell membrane permeability. Further, checkerboard titrations showed that E20c had synergistic interaction with antibiotics such as ampicillin, penicillin, ceftriaxone, and ciprofloxacin against a ciprofloxacin- and penicillin-resistant strain of S. enterica. Conclusion Thus, this study shows the broad spectrum antimicrobial activity of novel enterocin E20c against various MDR pathogens. Further, it highlights the importance of bacteriocins in lowering the minimum inhibitory concentrations of conventional antibiotics when used in combination.
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Affiliation(s)
- Preeti Sharma
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Muzamil Rashid
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Sukhraj Kaur
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab, India.
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Wu S, Flint S, Yu P. Changes of cell permeability during
Listeria monocytogenes
persistence under nisin treatment. J FOOD PROCESS PRES 2019. [DOI: 10.1111/jfpp.14333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shuyan Wu
- Massey Institute of Food Science and Technology Massey University Palmerston North New Zealand
| | - Steve Flint
- Massey Institute of Food Science and Technology Massey University Palmerston North New Zealand
| | - Pak‐Lam Yu
- School of Engineering & Advanced Technology Massey University Palmerston North New Zealand
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5
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Matai I, Garg M, Rana K, Singh S. Polydopamine functionalized hydrogel beads as magnetically separable antibacterial materials. RSC Adv 2019; 9:13444-13457. [PMID: 35519566 PMCID: PMC9063863 DOI: 10.1039/c9ra00623k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 04/18/2019] [Indexed: 12/11/2022] Open
Abstract
In the present study, magnetically separable hydrogel beads of ionically cross-linked alginate were functionalized with polydopamine (PDA). The rationale behind this was to enhance the structural stability and antibacterial profile of PDA/Alg/Fe3O4 beads (K3). Incorporation of superparamagnetic magnetite (Fe3O4) nanoparticles endowed the hydrogel beads with magnetism. X-ray diffraction (XRD) analysis revealed the successful formation of pure Alg/Fe3O4 nanoparticles having an inverse spinel structure. Vibrating sample magnetometry (VSM) confirmed their superparamagnetic behaviour with Ms values of 36.18 and 30.46 emu g−1 at 5 and 300 K, respectively. High resolution-transmission electron microscopy (HR-TEM) images showed alginate capping and the size of the Alg/Fe3O4 nanoparticles (∼8 nm). The successful deposition of PDA granules on the K3 bead surface was verified by field emission-scanning electron microscopy (FE-SEM). The PDA functionalization was further justified by VSM, XRD and Fourier-transform infrared spectroscopy (FT-IR). During swelling experiments, K3 beads displayed appreciable structural stability compared to bare/non-functionalized beads. Wettability studies revealed K3 beads to be hydrophilic with a contact angle of ∼55°. Rheological parameters including storage modulus (G′) and shear viscosity of K3 increased upon PDA functionalization. During antibacterial tests, K3 strongly inhibited E. coli, S. typhi, S. aureus and L. monocytogenes in a concentration and time dependent manner. Fluorescence staining experiments showed that K3 could greatly alter the bacterial membrane integrity. Reusability experiments with K3 beads substantiated their effective broad-spectrum antibacterial performance for three consecutive cycles. Surface functionalization with polydopamine augments the structural stability and antibacterial profile of magnetic hydrogel beads.![]()
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Affiliation(s)
- Ishita Matai
- Central Scientific Instruments Organization (CSIR-CSIO)
- Chandigarh-160030
- India
- Academy of Scientific and Innovative Research
- CSIR-CSIO
| | - Mayank Garg
- Central Scientific Instruments Organization (CSIR-CSIO)
- Chandigarh-160030
- India
- Academy of Scientific and Innovative Research
- CSIR-CSIO
| | - Kajal Rana
- Central Scientific Instruments Organization (CSIR-CSIO)
- Chandigarh-160030
- India
| | - Suman Singh
- Central Scientific Instruments Organization (CSIR-CSIO)
- Chandigarh-160030
- India
- Academy of Scientific and Innovative Research
- CSIR-CSIO
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Mathur H, Fallico V, O'Connor PM, Rea MC, Cotter PD, Hill C, Ross RP. Insights into the Mode of Action of the Sactibiotic Thuricin CD. Front Microbiol 2017; 8:696. [PMID: 28473822 PMCID: PMC5397516 DOI: 10.3389/fmicb.2017.00696] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 04/05/2017] [Indexed: 12/28/2022] Open
Abstract
Thuricin CD is a two-component bacteriocin, consisting of the peptides Trnα and Trnβ, and belongs to the newly designated sactibiotic subclass of bacteriocins. While it is clear from studies conducted thus far that it is a narrow-spectrum bacteriocin, requiring the synergistic activity of the two peptides, the precise mechanism of action of thuricin CD has not been elucidated. This study used a combination of flow cytometry and traditional culture-dependent assays to ascertain the effects of the thuricin CD peptides on the morphology, physiology and viability of sensitive Bacillus firmus DPC6349 cells. We show that both Trnα and Trnβ are membrane-acting and cause a collapse of the membrane potential, which could not be reversed even under membrane-repolarizing conditions. Furthermore, the depolarizing action of thuricin CD is accompanied by reductions in cell size and granularity, producing a pattern of physiological alterations in DPC6349 cells similar to those triggered by the pore-forming single-component bacteriocin Nisin A, and two-component lacticin 3147. Taken together, these results lead us to postulate that the lytic activity of thuricin CD involves the insertion of thuricin CD peptides into the membrane of target cells leading to permeabilization due to pore formation and consequent flux of ions across the membrane, resulting in membrane depolarization and eventual cell death.
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Affiliation(s)
- Harsh Mathur
- Moorepark Food Research CentreCounty Cork, Ireland.,APC Microbiome Institute, University College CorkCork, Ireland
| | | | | | - Mary C Rea
- Moorepark Food Research CentreCounty Cork, Ireland.,APC Microbiome Institute, University College CorkCork, Ireland
| | - Paul D Cotter
- Moorepark Food Research CentreCounty Cork, Ireland.,APC Microbiome Institute, University College CorkCork, Ireland
| | - Colin Hill
- APC Microbiome Institute, University College CorkCork, Ireland.,School of Microbiology, University College CorkCork, Ireland
| | - R Paul Ross
- Moorepark Food Research CentreCounty Cork, Ireland.,APC Microbiome Institute, University College CorkCork, Ireland.,School of Microbiology, University College CorkCork, Ireland
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Migeemanathan S, Bhat R, Wan-Abdullah WN, Chye FY. Influence of temperature variations on growth, injury survival and inactivation of Listeria monocytogenesin goat milk samples at laboratory scale. INT J DAIRY TECHNOL 2014. [DOI: 10.1111/1471-0307.12140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Suguna Migeemanathan
- Food Technology Division; School of Industrial Technology; Universiti Sains Malaysia; 11800 Minden Penang Malaysia
| | - Rajeev Bhat
- Food Technology Division; School of Industrial Technology; Universiti Sains Malaysia; 11800 Minden Penang Malaysia
| | - Wan-Nadiah Wan-Abdullah
- Bioprocess Technology Division; School of Industrial Technology; Universiti Sains Malaysia; 11800 Minden Penang Malaysia
| | - Fook Yee Chye
- School of Food Science and Nutrition; Universiti Malaysia Sabah; UMS Road 88400 Kota Kinabalu Sabah Malaysia
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Saá Ibusquiza P, Herrera JJR, Vázquez-Sánchez D, Parada A, Cabo ML. A new and efficient method to obtain benzalkonium chloride adapted cells of Listeria monocytogenes. J Microbiol Methods 2012; 91:57-61. [PMID: 22841739 DOI: 10.1016/j.mimet.2012.07.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2012] [Revised: 07/09/2012] [Accepted: 07/10/2012] [Indexed: 11/25/2022]
Abstract
A new method to obtain benzalkonium chloride (BAC) adapted L. monocytogenes cells was developed. A factorial design was used to assess the effects of the inoculum size and BAC concentration on the adaptation (measured in terms of lethal dose 50 -LD50-) of 6 strains of Listeria monocytogenes after only one exposure. The proposed method could be applied successfully in the L. monocytogenes strains with higher adaptive capacity to BAC. In those cases, a significant empirical equation was obtained showing a positive effect of the inoculum size and a positive interaction between the effects of BAC and inoculum size on the level of adaptation achieved. However, a slight negative effect of BAC, due to the biocide, was also significant. The proposed method improves the classical method based on successive stationary phase cultures in sublethal BAC concentrations because it is less time-consuming and more effective. For the laboratory strain L. monocytogenes 5873, by applying the new procedure it was possible to increase BAC-adaptation 3.69-fold in only 33 h, whereas using the classical procedure 2.61-fold of increase was reached after 5 days. Moreover, with the new method, the maximum level of adaptation was determined for all the strains reaching surprisingly almost the same concentration of BAC (mg/l) for 5 out 6 strains. Thus, a good reference for establishing the effective concentrations of biocides to ensure the maximum level of adaptation was also determined.
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Affiliation(s)
- Paula Saá Ibusquiza
- Instituto de Investigaciones Marinas, Eduardo Cabello, 6. 36208 Vigo, Pontevedra, Spain
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Lehrke G, Hernaez L, Mugliaroli SL, von Staszewski M, Jagus RJ. Sensitization of Listeria innocua to inorganic and organic acids by natural antimicrobials. Lebensm Wiss Technol 2011. [DOI: 10.1016/j.lwt.2010.09.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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10
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Sträuber H, Müller S. Viability states of bacteria-Specific mechanisms of selected probes. Cytometry A 2010; 77:623-34. [DOI: 10.1002/cyto.a.20920] [Citation(s) in RCA: 133] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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