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Selective Detection of Legionella pneumophila Serogroup 1 and 5 with a Digital Photocorrosion Biosensor Using Antimicrobial Peptide-Antibody Sandwich Strategy. BIOSENSORS 2022; 12:bios12020105. [PMID: 35200365 PMCID: PMC8869675 DOI: 10.3390/bios12020105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 02/02/2022] [Accepted: 02/02/2022] [Indexed: 11/17/2022]
Abstract
Rapid detection of Legionella pneumophila (L. pneumophila) is important for monitoring the presence of these bacteria in water sources and preventing the transmission of the Legionnaires’ disease. We report improved biosensing of L. pneumophila with a digital photocorrosion (DIP) biosensor functionalized with an innovative structure of cysteine-modified warnericin antimicrobial peptides for capturing bacteria that are subsequently decorated with anti-L. pneumophila polyclonal antibodies (pAbs). The application of peptides for the operation of a biosensing device was enabled by the higher bacterial-capture efficiency of peptides compared to other traditional ligands, such as those based on antibodies or aptamers. At the same time, the significantly stronger affinity of pAbs decorating the L. pneumophila serogroup-1 (SG-1) compared to serogroup-5 (SG-5) allowed for the selective detection of L. pneumophila SG-1 at 50 CFU/mL. The results suggest that the attractive sensitivity of the investigated sandwich method is related to the flow of an extra electric charge between the pAb and a charge-sensing DIP biosensor. The method has the potential to offer highly specific and sensitive detection of L. pneumophila as well as other pathogenic bacteria and viruses.
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Sultana A, Luo H, Ramakrishna S. Antimicrobial Peptides and Their Applications in Biomedical Sector. Antibiotics (Basel) 2021; 10:1094. [PMID: 34572676 PMCID: PMC8465024 DOI: 10.3390/antibiotics10091094] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/07/2021] [Accepted: 09/07/2021] [Indexed: 01/10/2023] Open
Abstract
In a report by WHO (2014), it was stated that antimicrobial resistance is an arising challenge that needs to be resolved. This resistance is a critical issue in terms of disease or infection treatment and is usually caused due to mutation, gene transfer, long-term usage or inadequate use of antimicrobials, survival of microbes after consumption of antimicrobials, and the presence of antimicrobials in agricultural feeds. One of the solutions to this problem is antimicrobial peptides (AMPs), which are ubiquitously present in the environment. These peptides are of concern due to their special mode of action against a wide spectrum of infections and health-related problems. The biomedical field has the highest need of AMPs as it possesses prominent desirable activity against HIV-1, skin cancer, breast cancer, in Behcet's disease treatment, as well as in reducing the release of inflammatory cells such as TNFα, IL-8, and IL-1β, enhancing the production of anti-inflammatory cytokines such as IL-10 and GM-CSF, and in wound healing properties. This review has highlighted all the major functions and applications of AMPs in the biomedical field and concludes the future potential of AMPs.
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Affiliation(s)
- Afreen Sultana
- Center for Nanotechnology & Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore;
| | - Hongrong Luo
- Engineering Research Center in Biomaterials, Sichuan University, Chengdu 610064, China;
| | - Seeram Ramakrishna
- Center for Nanotechnology & Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore;
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Islam MA, Hassen WM, Tayabali AF, Dubowski JJ. Short Ligand, Cysteine-Modified Warnericin RK Antimicrobial Peptides Favor Highly Sensitive Detection of Legionella pneumophila. ACS OMEGA 2021; 6:1299-1308. [PMID: 33490789 PMCID: PMC7818584 DOI: 10.1021/acsomega.0c04753] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 12/14/2020] [Indexed: 06/12/2023]
Abstract
Culture-based methods for the detection of Legionella pneumophila are prohibitively slow and frequently inadequate. The problem has been addressed with biosensing technology that employs a variety of ligands for the specific capture of bacteria. However, the limited success of the application of mammalian antibodies, aptamers, and nucleic acid-based probes for sensitive biosensing has generated growing interest in exploring alternative biosensing architectures, such as those based on antimicrobial peptides (AMP) that are known for their attractive therapeutic applications. We report on the successful employment of cysteine-modified warnericin RK AMP for the operation of a highly sensitive biosensor of L. pneumophila based on digital photocorrosion of GaAs/AlGaAs nanoheterostructures. The replacement of the relatively cumbersome procedure commonly applied for the attachment of antibodies to COOH-terminated mercaptohexadecanoic acid self-assembled monolayers has allowed for a significant reduction in the distance at which bacteria are immobilized above the biosensor surface. An important consequence of this approach is the attractive limit of detection of L. pneumophila estimated at 2 × 102 CFU/mL. The target bacteria were captured four times more efficiently than P. fluorescens, B. subtilis, and E. coli, which is highly promising for environmental monitoring.
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Affiliation(s)
- M. Amirul Islam
- Interdisciplinary
Institute for Technological Innovation (3IT), CNRS UMI-3463, Laboratory
for Quantum Semiconductors and Photon-based BioNanotechnology, Department
of Electrical and Computer Engineering, Université de Sherbrooke, 3000, boul. de l’Université, Sherbrooke, Québec J1K 0A5, Canada
| | - Walid M. Hassen
- Interdisciplinary
Institute for Technological Innovation (3IT), CNRS UMI-3463, Laboratory
for Quantum Semiconductors and Photon-based BioNanotechnology, Department
of Electrical and Computer Engineering, Université de Sherbrooke, 3000, boul. de l’Université, Sherbrooke, Québec J1K 0A5, Canada
| | - Azam F. Tayabali
- Environmental
Health Science Research Bureau, Healthy
Environments and Consumer Safety Branch, Health Canada, Ottawa, Ontario K1A 0K9, Canada
| | - Jan J. Dubowski
- Interdisciplinary
Institute for Technological Innovation (3IT), CNRS UMI-3463, Laboratory
for Quantum Semiconductors and Photon-based BioNanotechnology, Department
of Electrical and Computer Engineering, Université de Sherbrooke, 3000, boul. de l’Université, Sherbrooke, Québec J1K 0A5, Canada
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Lv M, Wang M, Lu K, Peng L, Zhao Y. DNA/Lysozyme-binding affinity study of novel peptides from TAT (47-57) and BRCA1 (782-786) in vitro by spectroscopic analysis. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 209:109-117. [PMID: 30384016 DOI: 10.1016/j.saa.2018.10.041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 10/21/2018] [Indexed: 06/08/2023]
Abstract
SISLL-TAT and TAT-SISLL were synthesized by modifying the N- or C-termini of cell-penetrating peptides as transacting activator of transcription TAT (47-57) by attaching BRCA1 (782-786) (SISLL). The novel peptides were synthesized through Fmoc solid-phase synthesis procedures and characterized by LCQ Fleet MS, 1H NMR and 13C NMR. SISLL-TAT and TAT-SISLL displayed forceful antibacterial activities against Staphylococcus aureus, Bacillus subtilis, Escherichia coli, and Salmonella typhimurium with low hemolysis. SISLL-TAT showed better antibacterial activity than TAT-SISLL, with the minimum inhibitory concentration (MIC) values of 10-33 μg·mL-1. The results of the DNA-binding activities showed that both SISLL-TAT and TAT-SISLL could interact with DNA via the minor groove mode, and the binding constants were 4.97 × 105 L·mol-1 and 4.42 × 105 L·mol-1 at 310 K, respectively. Circular dichroism analysis showed slight transformation of the lysozyme secondary structure caused by SISLL-TAT and TAT-SISLL. We also found that the novel peptides SISLL-TAT and TAT-SISLL targeted bacterial DNA resulting in cell death. This explains the antibacterial mechanism of SISLL-TAT and TAT-SISLL, and is a solid theoretical basis for further designing novel and highly effective antibiotics for clinical application.
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Affiliation(s)
- Mingxiu Lv
- School of Material and Chemical Engineering, Henan University of Engineering, Zhengzhou 450007, Henan, China; College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Mengwei Wang
- School of Material and Chemical Engineering, Henan University of Engineering, Zhengzhou 450007, Henan, China; College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Kui Lu
- School of Material and Chemical Engineering, Henan University of Engineering, Zhengzhou 450007, Henan, China; School of Chemical Engineering and Food Science, Zhengzhou Institute of Technology, Zhengzhou 450044, Henan, China.
| | - Lu Peng
- School of Material and Chemical Engineering, Henan University of Engineering, Zhengzhou 450007, Henan, China
| | - Yufen Zhao
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, Henan, China.
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Ishige T, Hara H, Hirano T, Kono T, Hanzawa K. Characterization of the cathelicidin cluster in the Japanese quail (Coturnix japonica
). Anim Sci J 2017; 88:1249-1257. [DOI: 10.1111/asj.12752] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 09/26/2016] [Accepted: 10/04/2016] [Indexed: 12/27/2022]
Affiliation(s)
- Taichiro Ishige
- NODAI Genome Research Center; Tokyo University of Agriculture; Tokyo Japan
| | - Hiromi Hara
- Department of Animal Science; Tokyo University of Agriculture; Atsugi Japan
| | - Takashi Hirano
- Department of Animal Science; Tokyo University of Agriculture; Atsugi Japan
| | - Tomohiro Kono
- NODAI Genome Research Center; Tokyo University of Agriculture; Tokyo Japan
- Department of Bioscience; Tokyo University of Agriculture; Tokyo Japan
| | - Kei Hanzawa
- Department of Animal Science; Tokyo University of Agriculture; Atsugi Japan
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Taniguchi M, Ochiai A, Takahashi K, Nakamichi SI, Nomoto T, Saitoh E, Kato T, Tanaka T. Antimicrobial activity against Porphyromonas gingivalis and mechanism of action of the cationic octadecapeptide AmyI-1-18 and its amino acid-substituted analogs. J Biosci Bioeng 2016; 122:652-659. [DOI: 10.1016/j.jbiosc.2016.05.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 05/27/2016] [Accepted: 05/27/2016] [Indexed: 10/21/2022]
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Specific Anti-Leukemic Activity of the Peptide Warnericin RK and Analogues and Visualization of Their Effect on Cancer Cells by Chemical Raman Imaging. PLoS One 2016; 11:e0162007. [PMID: 27598770 PMCID: PMC5012605 DOI: 10.1371/journal.pone.0162007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 08/16/2016] [Indexed: 11/19/2022] Open
Abstract
Antimicrobial peptides can be used as therapeutic agents against cancer cells. Warnericin RK and derivatives (WarnG20D and WarnF14V) were tested on various, solid tumor or leukemia, cancer cells. These peptides appeared to be cytotoxic on all the cell types tested, cancerous as well healthy, but very interestingly displayed no deleterious effect on healthy mononuclear cells. The mode of action of the peptide was proposed to be membranolytic, using chemical Raman imaging. Addition of peptide induced a large disorganization of the membrane leading to the loss of the content of inner compartments of Jurkat cell, whereas no effect was observed on the healthy mononuclear cells. The less hemolytic peptides WarnG20D and WarnF14V could be good candidates for the leukemia treatment.
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Berjeaud JM, Chevalier S, Schlusselhuber M, Portier E, Loiseau C, Aucher W, Lesouhaitier O, Verdon J. Legionella pneumophila: The Paradox of a Highly Sensitive Opportunistic Waterborne Pathogen Able to Persist in the Environment. Front Microbiol 2016; 7:486. [PMID: 27092135 PMCID: PMC4824771 DOI: 10.3389/fmicb.2016.00486] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 03/23/2016] [Indexed: 01/28/2023] Open
Abstract
Legionella pneumophila, the major causative agent of Legionnaires’ disease, is found in freshwater environments in close association with free-living amoebae and multispecies biofilms, leading to persistence, spread, biocide resistance, and elevated virulence of the bacterium. Indeed, legionellosis outbreaks are mainly due to the ability of this bacterium to colonize and persist in water facilities, despite harsh physical and chemical treatments. However, these treatments are not totally efficient and, after a lag period, L. pneumophila may be able to quickly re-colonize these systems. Several natural compounds (biosurfactants, antimicrobial peptides…) with anti-Legionella properties have recently been described in the literature, highlighting their specific activities against this pathogen. In this review, we first consider this hallmark of Legionella to resist killing, in regard to its biofilm or host-associated life style. Then, we focus more accurately on natural anti-Legionella molecules described so far, which could provide new eco-friendly and alternative ways to struggle against this important pathogen in plumbing.
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Affiliation(s)
- Jean-Marc Berjeaud
- Laboratoire Ecologie and Biologie des Interactions, UMR CNRS 7267, Université de Poitiers Poitiers, France
| | - Sylvie Chevalier
- Laboratoire de Microbiologie Signaux et Microenvironnement, EA 4312, Université de Rouen Evreux, France
| | - Margot Schlusselhuber
- Laboratoire Aliments Bioprocédés Toxicologie Environnements, EA 4651, Université de Caen Caen, France
| | - Emilie Portier
- Laboratoire Ecologie and Biologie des Interactions, UMR CNRS 7267, Université de Poitiers Poitiers, France
| | - Clémence Loiseau
- Laboratoire Ecologie and Biologie des Interactions, UMR CNRS 7267, Université de Poitiers Poitiers, France
| | - Willy Aucher
- Laboratoire Ecologie and Biologie des Interactions, UMR CNRS 7267, Université de Poitiers Poitiers, France
| | - Olivier Lesouhaitier
- Laboratoire de Microbiologie Signaux et Microenvironnement, EA 4312, Université de Rouen Evreux, France
| | - Julien Verdon
- Laboratoire Ecologie and Biologie des Interactions, UMR CNRS 7267, Université de Poitiers Poitiers, France
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