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Gokhale KM, Patravale V, Pingale R, Pandey P, Vavilala SL. Se-functionalized ZIF-8 nanoparticles: synthesis, characterization and disruption of biofilms and quorum sensing in Serratia marcescens. Biomed Mater 2024; 19:055020. [PMID: 39025122 DOI: 10.1088/1748-605x/ad6549] [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: 04/19/2024] [Accepted: 07/18/2024] [Indexed: 07/20/2024]
Abstract
The majority of research on nanomaterials has been concentrated on metal nanoparticles since they are easily made and manipulated. Nanomaterials have shown a wide range of applications in biology. Nevertheless, their bioactivity declines due to their extreme susceptibility to and novel Se@ZIF-8 by chemical method. The sizes and morphologies of Se (0) and Se@ZIFchemical and physical stimuli. The goal of encapsulating these nanomaterials in a matrix is gradually being pursued, which boosts their affordability, stability, and usability. Metal-organic frameworks, often known as MOFs, have the potential to be the best platforms for encapsulating metal nanoparticles due to their well-defined frameworks, persistent porosity, and flexibility in modification. In this investigation, we report the synthesis and optimization of polyvinylpyrrolidone-stabilized Se(0) nanoparticles -8 were affected by the ratios of Se/Zn2+and [hmim]/Zn2+used. The optimized Se@ZIF-8 nanoparticles exhibited a particle size and zeta potential of 319 nm and -34 mv respectively. Transmission electron microscopy displayed spherical morphology for Se(0) nanoparticles, whereas the surface morphology of novel Se@ZIF-8 nanoparticles was drastically changed to hexagonal shaped structures with smooth surface morphologies in scanning electron microscopy (SEM). The DTA, TG/DTG, XRD analysis confirmed the presence of novel Se incorporated ZIF-8 nanoparticulate framework. The synthesized novel Se@ZIF-8 nanoparticles showed efficient antibacterial activity as evidenced by low MIC values. Interestingly, these Se@ZIF-8 NPs not only inhibited biofilm formation inS. marcescens,but also effectively eradicated mature biofilms by degrading the eDNA of the EPS layer. It was validated by confocal laser scanning microscopy and SEM analysis. It was observed that Se@ZIF-8 targeted the Quroum Sensing pathway and reduced its associated virulence factors production. This work opens up a different approach of Se@ZIF-8 nanoparticles as novel antibiotics to treat biofilm-associated infections caused byS. marcescensand offer a solution for antimicrobial resistance.
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Affiliation(s)
- Kunal M Gokhale
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM's NMIMS, V.L. Mehta Road, Vile Parle, Mumbai 400056, India
| | - Vandana Patravale
- Institute of Chemical Technology, Department of Pharm. Sciences and Technology, Nathalal Parekh Marg, Matunga, Mumbai 400019, India
| | - Rutuja Pingale
- Dr. L. H. Hiranandani College of Pharmacy, Ulhasnagar 421003, India
| | - Pooja Pandey
- School of Biological Sciences, UM DAE Centre for Excellence in basic Sciences, Mumbai 400098, India
| | - Sirisha L Vavilala
- School of Biological Sciences, UM DAE Centre for Excellence in basic Sciences, Mumbai 400098, India
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2
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Afrasiabi S, Partoazar A. Targeting bacterial biofilm-related genes with nanoparticle-based strategies. Front Microbiol 2024; 15:1387114. [PMID: 38841057 PMCID: PMC11150612 DOI: 10.3389/fmicb.2024.1387114] [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: 02/16/2024] [Accepted: 05/03/2024] [Indexed: 06/07/2024] Open
Abstract
Persistent infection caused by biofilm is an urgent in medicine that should be tackled by new alternative strategies. Low efficiency of classical treatments and antibiotic resistance are the main concerns of the persistent infection due to biofilm formation which increases the risk of morbidity and mortality. The gene expression patterns in biofilm cells differed from those in planktonic cells. One of the promising approaches against biofilms is nanoparticle (NP)-based therapy in which NPs with multiple mechanisms hinder the resistance of bacterial cells in planktonic or biofilm forms. For instance, NPs such as silver (Ag), zinc oxide (ZnO), titanium dioxide (TiO2), copper oxide (Cu), and iron oxide (Fe3O4) through the different strategies interfere with gene expression of bacteria associated with biofilm. The NPs can penetrate into the biofilm structure and affect the expression of efflux pump, quorum-sensing, and adhesion-related genes, which lead to inhibit the biofilm formation or development. Therefore, understanding and targeting of the genes and molecular basis of bacterial biofilm by NPs point to therapeutic targets that make possible control of biofilm infections. In parallel, the possible impact of NPs on the environment and their cytotoxicity should be avoided through controlled exposure and safety assessments. This study focuses on the biofilm-related genes that are potential targets for the inhibition of bacterial biofilms with highly effective NPs, especially metal or metal oxide NPs.
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Affiliation(s)
- Shima Afrasiabi
- Laser Research Center of Dentistry, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Partoazar
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran
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3
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Iungin O, Shydlovska O, Moshynets O, Vasylenko V, Sidorenko M, Mickevičius S, Potters G. Metal-based nanoparticles: an alternative treatment for biofilm infection in hard-to-heal wounds. J Wound Care 2024; 33:xcix-cx. [PMID: 38588056 DOI: 10.12968/jowc.2024.33.sup4a.xcix] [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] [Indexed: 04/10/2024]
Abstract
Metal-based nanoparticles (MNPs) are promoted as effective compounds in the treatment of bacterial infections and as possible alternatives to antibiotics. These MNPs are known to affect a broad spectrum of microorganisms using a multitude of strategies, including the induction of reactive oxygen species and interaction with the inner structures of the bacterial cells. The aim of this review was to summarise the latest studies about the effect of metal-based nanoparticles on pathogenic bacterial biofilm formed in wounds, using the examples of Gram-positive bacterium Staphylococcus aureus and Gram-negative bacterium Pseudomonas aeruginosa, as well as provide an overview of possible clinical applications.
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Affiliation(s)
- Olga Iungin
- 1 Kyiv National University of Technologies and Design (KNUTD), Kyiv, Ukraine
- 2 Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Olga Shydlovska
- 1 Kyiv National University of Technologies and Design (KNUTD), Kyiv, Ukraine
| | - Olena Moshynets
- 2 Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Volodymyr Vasylenko
- 3 Vytautas Magnus University, Faculty of Natural Science, Akademija, Lithuania
| | - Marina Sidorenko
- 3 Vytautas Magnus University, Faculty of Natural Science, Akademija, Lithuania
| | - Saulius Mickevičius
- 3 Vytautas Magnus University, Faculty of Natural Science, Akademija, Lithuania
| | - Geert Potters
- 4 Antwerp Maritime Academy, Antwerp, Belgium
- 5 University of Antwerp, Antwerp, Belgium
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4
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Iaconis A, De Plano LM, Caccamo A, Franco D, Conoci S. Anti-Biofilm Strategies: A Focused Review on Innovative Approaches. Microorganisms 2024; 12:639. [PMID: 38674584 PMCID: PMC11052202 DOI: 10.3390/microorganisms12040639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 03/17/2024] [Accepted: 03/19/2024] [Indexed: 04/28/2024] Open
Abstract
Biofilm (BF) can give rise to systemic infections, prolonged hospitalization times, and, in the worst case, death. This review aims to provide an overview of recent strategies for the prevention and destruction of pathogenic BFs. First, the main phases of the life cycle of BF and maturation will be described to identify potential targets for anti-BF approaches. Then, an approach acting on bacterial adhesion, quorum sensing (QS), and the extracellular polymeric substance (EPS) matrix will be introduced and discussed. Finally, bacteriophage-mediated strategies will be presented as innovative approaches against BF inhibition/destruction.
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Affiliation(s)
- Antonella Iaconis
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences (ChiBioFarAm), University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy; (A.I.); (L.M.D.P.); (A.C.)
| | - Laura Maria De Plano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences (ChiBioFarAm), University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy; (A.I.); (L.M.D.P.); (A.C.)
| | - Antonella Caccamo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences (ChiBioFarAm), University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy; (A.I.); (L.M.D.P.); (A.C.)
| | - Domenico Franco
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences (ChiBioFarAm), University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy; (A.I.); (L.M.D.P.); (A.C.)
| | - Sabrina Conoci
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences (ChiBioFarAm), University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy; (A.I.); (L.M.D.P.); (A.C.)
- Department of Chemistry “Giacomo Ciamician”, Alma Mater Studiorum—University of Bologna, 40126 Bologna, Italy
- URT Lab Sens Beyond Nano—CNR-DSFTM, Department of Physical Sciences and Technologies of Matter, University of Messina, Viale F. Stagno D’Alcontres 31, 98166 Messina, Italy
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5
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Maha Swetha BR, Saravanan M, Piruthivraj P. Emerging trends in the inhibition of bacterial molecular communication: An overview. Microb Pathog 2024; 186:106495. [PMID: 38070626 DOI: 10.1016/j.micpath.2023.106495] [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: 08/04/2023] [Revised: 12/03/2023] [Accepted: 12/04/2023] [Indexed: 01/02/2024]
Abstract
Quorum sensing (QS) is a molecular cell-cell communication utilized by several bacteria and some fungi. It involves cell density dependent gene expression that includes extra polymeric substance production, sporulation, antibiotic production, motility, competence, symbiosis and conjugation. These expressions were carried out by different signaling molecules like acyl homo-serine lactone (AHL) and auto-inducing peptides (AIPs) which was effluxed by gram negative and gram positive bacteria. Pathogenic bacteria and biofilms often exhibit high resistance to antibiotics, attributed to the presence of antibiotic efflux pumps, reduced membrane permeability, and enzymes that deactivate quorum sensing (QS) inhibitors. To counteract virulence and multi-drug resistance (MDR), novel strategies such as employing quorum sensing (QS) inhibitors and quorum quenchers are employed. It targets signaling molecules with synthesis and prevents the signal from binding to receptors. In this present review, the mechanisms of QS along with inhibitors from different sources are described. These strategies potentially interfere with QS and it can be applied in different fields, mainly in hospitals and marine environments where the pathogenic infections and biofilm formation are highly involved.
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Affiliation(s)
- B R Maha Swetha
- Department of Biotechnoloy, Srimad Andavan Arts and Science College (Autonomous), Tiruchirappalli, Tamil Nadu, India
| | - M Saravanan
- Department of Physics, University College of Engineering, Bharathidasan Institute of Technology Campus, Anna University, Tiruchirapalli, 620 024, Tamil Nadu, India
| | - Prakash Piruthivraj
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha Univerisy, Chennai, 600 077, Tamil Nadu, India; Department of Biotechnoloy, Srimad Andavan Arts and Science College (Autonomous), Tiruchirappalli, Tamil Nadu, India.
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6
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Zhai Y, Wang N, Ma H, Li L, Feng X, Shi X, Zhou B, Li W. Feathery Tellurium-Selenium Heterostructural Nanoadjuvant for the Synergistic Treatment of Bacterial Infections. ACS APPLIED MATERIALS & INTERFACES 2023; 15:53827-53834. [PMID: 37944101 DOI: 10.1021/acsami.3c12209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Antibacterial nanoagents with well-controlled structures are greatly desired to address the challenges of bacterial infections. In this study, a featherlike tellurium-selenium heterostructural nanoadjuvant (TeSe HNDs) was created. TeSe HNDs produced 1O2 and had high photothermal conversion efficiency when stimulated with 808 nm near-infrared (NIR) light. To create a synergistic treatment system (TeSe-ICG) with better photothermal and photodynamic capabilities, the photosensitizer indocyanine green (ICG) was then added. With a bactericidal rate of more than 99%, the NIR-mediated TeSe-ICG demonstrated an efficient bactericidal action against both Gram-negative bacteria (Escherichia coli) and Gram-positive bacteria (Staphylococcus aureus). In addition, TeSe-ICG was also effective in treating wound infections and could effectively promote wound healing without obvious toxic side effects. In conclusion, TeSe-ICG is expected to be a good candidate for the treatment of bacterial infections.
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Affiliation(s)
- Yutong Zhai
- Changchun University of Science and Technology, Changchun 130022, China
| | - Ningning Wang
- Changchun University of Science and Technology, Changchun 130022, China
| | - Hongda Ma
- Changchun University of Science and Technology, Changchun 130022, China
| | - Leijiao Li
- Changchun University of Science and Technology, Changchun 130022, China
- Zhongshan Institute, Changchun University of Science and Technology, Zhongshan 528400, China
| | - Xiangru Feng
- Changchun University of Science and Technology, Changchun 130022, China
| | - Xincui Shi
- Changchun University of Science and Technology, Changchun 130022, China
- Zhongshan Institute, Changchun University of Science and Technology, Zhongshan 528400, China
| | - Bo Zhou
- Academy of Military Medical Sciences Institute of Military Veterinary Medicine, Changchun 130122, China
| | - Wenliang Li
- Changchun University of Science and Technology, Changchun 130022, China
- Jilin Collaborative Innovation Center for Antibody Engineering, Jilin Medical University, Jilin 132013, China
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Carrapiço A, Martins MR, Caldeira AT, Mirão J, Dias L. Biosynthesis of Metal and Metal Oxide Nanoparticles Using Microbial Cultures: Mechanisms, Antimicrobial Activity and Applications to Cultural Heritage. Microorganisms 2023; 11:microorganisms11020378. [PMID: 36838343 PMCID: PMC9960935 DOI: 10.3390/microorganisms11020378] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/21/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023] Open
Abstract
Nanoparticles (1 to 100 nm) have unique physical and chemical properties, which makes them suitable for application in a vast range of scientific and technological fields. In particular, metal nanoparticle (MNPs) research has been showing promising antimicrobial activities, paving the way for new applications. However, despite some research into their antimicrobial potential, the antimicrobial mechanisms are still not well determined. Nanoparticles' biosynthesis, using plant extracts or microorganisms, has shown promising results as green alternatives to chemical synthesis; however, the knowledge regarding the mechanisms behind it is neither abundant nor consensual. In this review, findings from studies on the antimicrobial and biosynthesis mechanisms of MNPs were compiled and evidence-based mechanisms proposed. The first revealed the importance of enzymatic disturbance by internalized metal ions, while the second illustrated the role of reducing and negatively charged molecules. Additionally, the main results from recent studies (2018-2022) on the biosynthesis of MNPs using microorganisms were summarized and analyzed, evidencing a prevalence of research on silver nanoparticles synthesized using bacteria aiming toward testing their antimicrobial potential. Finally, a synopsis of studies on MNPs applied to cultural heritage materials showed potential for their future use in preservation.
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Affiliation(s)
- António Carrapiço
- HERCULES Laboratory, Cultural Heritage, Studies and Safeguard, University of Évora, 7000-809 Évora, Portugal
- Institute for Research and Advanced Training (IIFA), University of Évora, 7000-809 Évora, Portugal
| | - Maria Rosário Martins
- HERCULES Laboratory, Cultural Heritage, Studies and Safeguard, University of Évora, 7000-809 Évora, Portugal
- Department of Medicinal Sciences and Health, School of Health and Human Development, University of Évora, 7000-671 Évora, Portugal
| | - Ana Teresa Caldeira
- HERCULES Laboratory, Cultural Heritage, Studies and Safeguard, University of Évora, 7000-809 Évora, Portugal
- Department of Chemistry and Biochemistry, School of Sciences and Technology, University of Évora, 7000-671 Évora, Portugal
| | - José Mirão
- HERCULES Laboratory, Cultural Heritage, Studies and Safeguard, University of Évora, 7000-809 Évora, Portugal
- Department of Geosciences, School of Sciences and Technology, University of Évora, 7000-671 Évora, Portugal
| | - Luís Dias
- HERCULES Laboratory, Cultural Heritage, Studies and Safeguard, University of Évora, 7000-809 Évora, Portugal
- Department of Geosciences, School of Sciences and Technology, University of Évora, 7000-671 Évora, Portugal
- Correspondence:
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8
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Ali SG, Jalal M, Ahmad H, Umar K, Ahmad A, Alshammari MB, Khan HM. Biosynthesis of Gold Nanoparticles and Its Effect against Pseudomonas aeruginosa. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248685. [PMID: 36557818 PMCID: PMC9781250 DOI: 10.3390/molecules27248685] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/27/2022] [Accepted: 11/29/2022] [Indexed: 12/14/2022]
Abstract
Antimicrobial resistance has posed a serious health concern worldwide, which is mainly due to the excessive use of antibiotics. In this study, gold nanoparticles synthesized from the plant Tinospora cordifolia were used against multidrug-resistant Pseudomonas aeruginosa. The active components involved in the reduction and stabilization of gold nanoparticles were revealed by gas chromatography-mass spectrophotometry(GC-MS) of the stem extract of Tinospora cordifolia. Gold nanoparticles (TG-AuNPs) were effective against P. aeruginosa at different concentrations (50,100, and 150 µg/mL). TG-AuNPs effectively reduced the pyocyanin level by 63.1% in PAO1 and by 68.7% in clinical isolates at 150 µg/mL; similarly, swarming and swimming motilities decreased by 53.1% and 53.8% for PAO1 and 66.6% and 52.8% in clinical isolates, respectively. Biofilm production was also reduced, and at a maximum concentration of 150 µg/mL of TG-AuNPs a 59.09% reduction inPAO1 and 64.7% reduction in clinical isolates were observed. Lower concentrations of TG-AuNPs (100 and 50 µg/mL) also reduced the pyocyanin, biofilm, swarming, and swimming. Phenotypically, the downregulation of exopolysaccharide secretion from P. aeruginosa due to TG-AuNPs was observed on Congo red agar plates.
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Affiliation(s)
- Syed Ghazanfar Ali
- Department of Microbiology, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh 202002, India
| | - Mohammad Jalal
- Department of Microbiology, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh 202002, India
| | - Hilal Ahmad
- SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, India
| | - Khalid Umar
- School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang 11800, Malaysia
- Correspondence: (K.U.); (A.A.)
| | - Akil Ahmad
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
- Correspondence: (K.U.); (A.A.)
| | - Mohammed B. Alshammari
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Haris Manzoor Khan
- Department of Microbiology, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh 202002, India
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Pseudomonas aeruginosa: pathogenesis, virulence factors, antibiotic resistance, interaction with host, technology advances and emerging therapeutics. Signal Transduct Target Ther 2022; 7:199. [PMID: 35752612 PMCID: PMC9233671 DOI: 10.1038/s41392-022-01056-1] [Citation(s) in RCA: 271] [Impact Index Per Article: 135.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 06/04/2022] [Accepted: 06/08/2022] [Indexed: 02/05/2023] Open
Abstract
Pseudomonas aeruginosa (P. aeruginosa) is a Gram-negative opportunistic pathogen that infects patients with cystic fibrosis, burn wounds, immunodeficiency, chronic obstructive pulmonary disorder (COPD), cancer, and severe infection requiring ventilation, such as COVID-19. P. aeruginosa is also a widely-used model bacterium for all biological areas. In addition to continued, intense efforts in understanding bacterial pathogenesis of P. aeruginosa including virulence factors (LPS, quorum sensing, two-component systems, 6 type secretion systems, outer membrane vesicles (OMVs), CRISPR-Cas and their regulation), rapid progress has been made in further studying host-pathogen interaction, particularly host immune networks involving autophagy, inflammasome, non-coding RNAs, cGAS, etc. Furthermore, numerous technologic advances, such as bioinformatics, metabolomics, scRNA-seq, nanoparticles, drug screening, and phage therapy, have been used to improve our understanding of P. aeruginosa pathogenesis and host defense. Nevertheless, much remains to be uncovered about interactions between P. aeruginosa and host immune responses, including mechanisms of drug resistance by known or unannotated bacterial virulence factors as well as mammalian cell signaling pathways. The widespread use of antibiotics and the slow development of effective antimicrobials present daunting challenges and necessitate new theoretical and practical platforms to screen and develop mechanism-tested novel drugs to treat intractable infections, especially those caused by multi-drug resistance strains. Benefited from has advancing in research tools and technology, dissecting this pathogen's feature has entered into molecular and mechanistic details as well as dynamic and holistic views. Herein, we comprehensively review the progress and discuss the current status of P. aeruginosa biophysical traits, behaviors, virulence factors, invasive regulators, and host defense patterns against its infection, which point out new directions for future investigation and add to the design of novel and/or alternative therapeutics to combat this clinically significant pathogen.
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Berini F, Orlandi V, Gornati R, Bernardini G, Marinelli F. Nanoantibiotics to fight multidrug resistant infections by Gram-positive bacteria: hope or reality? Biotechnol Adv 2022; 57:107948. [PMID: 35337933 DOI: 10.1016/j.biotechadv.2022.107948] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 03/15/2022] [Accepted: 03/17/2022] [Indexed: 12/17/2022]
Abstract
The spread of antimicrobial resistance in Gram-positive pathogens represents a threat to human health. To counteract the current lack of novel antibiotics, alternative antibacterial treatments have been increasingly investigated. This review covers the last decade's developments in using nanoparticles as carriers for the two classes of frontline antibiotics active on multidrug-resistant Gram-positive pathogens, i.e., glycopeptide antibiotics and daptomycin. Most of the reviewed papers deal with vancomycin nanoformulations, being teicoplanin- and daptomycin-carrying nanosystems much less investigated. Special attention is addressed to nanoantibiotics used for contrasting biofilm-associated infections. The status of the art related to nanoantibiotic toxicity is critically reviewed.
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Affiliation(s)
- Francesca Berini
- Department of Biotechnology and Life Sciences, University of Insubria, via JH Dunant 3, 21100 Varese, Italy.
| | - Viviana Orlandi
- Department of Biotechnology and Life Sciences, University of Insubria, via JH Dunant 3, 21100 Varese, Italy.
| | - Rosalba Gornati
- Department of Biotechnology and Life Sciences, University of Insubria, via JH Dunant 3, 21100 Varese, Italy.
| | - Giovanni Bernardini
- Department of Biotechnology and Life Sciences, University of Insubria, via JH Dunant 3, 21100 Varese, Italy.
| | - Flavia Marinelli
- Department of Biotechnology and Life Sciences, University of Insubria, via JH Dunant 3, 21100 Varese, Italy.
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