1
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Zheng LB, Li YX, Su YQ. Antibacterial activity study of a novel piscidin 5-like type 4 from Larimichthys crocea. FISH & SHELLFISH IMMUNOLOGY 2023; 135:108645. [PMID: 36870429 DOI: 10.1016/j.fsi.2023.108645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/20/2023] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
As one of the key components of innate immune system, piscidins are likely to play pivotal role in the first defense line in fish. Piscidins own multiple resistance activity. A novel piscidin 5-like type 4 was excavated from Larimichthys crocea (termed Lc-P5L4) liver transcriptome immuned by Cryptocaryon irritans, and upregulated at 7 days post infection when secondary bacterial infection occurred. In the study, we characterized the antibacterial activity of Lc-P5L4. The liquid growth inhibition assay detected the recombinant Lc-P5L4 (rLc-P5L) had potent antibacterial activity to Photobacterium damselae. Scanning electron microscope (SEM) observed the cell surface of P. damselae collapsed to form pit, and membrane of some bacteria ruptured after co-incubation with rLc-P5L. Further, transmission electron microscope (TEM) was also employed to observe the intracellular microstructural damage, rLc-P5L4 caused cytoplasm contraction, pores formation and contents leakage. After knowing about its antibacterial effects, the preliminary antibacterial mechanism was also explored, western blot analysis showed rLc-P5L4 could bind to P. damselae through targeting to LPS. Agarose gel eletrophoresis analysis further showed rLc-P5L4 could also penetrate into cells and brought about genome DNA degradation. Therefore, rLc-P5L4 was of potential being a candidate to explore new antimicrobial drug or additive agent, especially to P. damselae.
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Affiliation(s)
- Li-Bing Zheng
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China.
| | - Yue-Xin Li
- Shanghai Richen Nutrition Technology Co., Ltd, 200331, Shanghai, China
| | - Yong-Quan Su
- State Key Laboratory of Large Yellow Croaker Breeding, Ningde Fufa Fisheries Co., Ltd, 352103, Fujian, China
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2
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Bischetti M, Alaimo N, Nardelli F, Punzi P, Amariei C, Ingenito R, Musco G, Gallo M, Cicero DO. Structural insights on the selective interaction of the histidine-rich piscidin antimicrobial peptide Of-Pis1 with membranes. BIOCHIMICA ET BIOPHYSICA ACTA. BIOMEMBRANES 2023; 1865:184080. [PMID: 36328080 DOI: 10.1016/j.bbamem.2022.184080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 09/26/2022] [Accepted: 10/20/2022] [Indexed: 11/08/2022]
Abstract
Of-Pis1 is a potent piscidin antimicrobial peptide (AMP), recently isolated from rock bream (Oplegnathus fasciatus). This rich in histidines and glycines 24-amino acid peptide displays high and broad antimicrobial activity and no significant hemolytic toxicity against human erythrocytes, suggesting low toxicity. To better understand the mechanism of action of Of-Pis1 and its potential selectivity, using NMR and CD spectroscopies, we studied the interaction with eukaryotic and procaryotic membranes and membrane models. Anionic sodium dodecyl sulfate (SDS) and lipopolysaccharide (LPS) micelles were used to mimic procaryotic membranes, while zwitterionic dodecyl phosphocholine (DPC) was used as eukaryotic membrane surrogate. In an aqueous environment, Of-Pis1 adopts a flexible random coil conformation. In DPC and SDS instead, the N-terminal region of Of-Pis1 forms an amphipathic α-helix with the non-polar face in close contact with the micelles. Slower solvent exchange and higher pKas of the histidine residues in SDS than in DPC suggest that Of-Pis1 interacts more tightly with SDS. Of-Pis1 also binds tightly and structurally perturbs LPS micelles. Of-Pis1 interacts with both Escherichia coli and mammalian cell membranes, but only in the presence of Escherichia coli membranes it populates the helical conformation. Furthermore, ligand-based NMR experiments support a tighter and more specific interaction with bacterial than with eukaryotic membranes. Overall, these data clearly show the selective interaction of this broadly active AMP with bacterial over eukaryotic membranes. The conformational information is discussed in terms of Of-Pis1 amino acid sequence and composition to provide insights useful to design more potent and selective AMPs.
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Affiliation(s)
- Martina Bischetti
- Department of Chemical Science and Technology, University of Rome "Tor Vergata", Via della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Nadine Alaimo
- Structural Biology and Computational Chemistry, IRBM SpA, Via Pontina Km 30 600, 00 071 Pomezia, Rome, Italy
| | - Francesca Nardelli
- Biomolecular NMR Laboratory, I.R.C.C.S. Ospedale San Raffaele, Via Olgettina 58, 20132 Milan, Italy
| | - Pasqualina Punzi
- Peptides Chemistry Unit, IRBM SpA, Via Pontina Km 30 600, 00 071 Pomezia, Rome, Italy
| | - Cristi Amariei
- Department of Chemical Science and Technology, University of Rome "Tor Vergata", Via della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Raffaele Ingenito
- Peptides Chemistry Unit, IRBM SpA, Via Pontina Km 30 600, 00 071 Pomezia, Rome, Italy
| | - Giovana Musco
- Biomolecular NMR Laboratory, I.R.C.C.S. Ospedale San Raffaele, Via Olgettina 58, 20132 Milan, Italy
| | - Mariana Gallo
- Structural Biology and Computational Chemistry, IRBM SpA, Via Pontina Km 30 600, 00 071 Pomezia, Rome, Italy.
| | - Daniel Oscar Cicero
- Department of Chemical Science and Technology, University of Rome "Tor Vergata", Via della Ricerca Scientifica 1, 00133 Rome, Italy
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3
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Dini I, De Biasi MG, Mancusi A. An Overview of the Potentialities of Antimicrobial Peptides Derived from Natural Sources. Antibiotics (Basel) 2022; 11:1483. [PMID: 36358138 PMCID: PMC9686932 DOI: 10.3390/antibiotics11111483] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 10/20/2022] [Accepted: 10/21/2022] [Indexed: 07/21/2023] Open
Abstract
Antimicrobial peptides (AMPs) are constituents of the innate immune system in every kind of living organism. They can act by disrupting the microbial membrane or without affecting membrane stability. Interest in these small peptides stems from the fear of antibiotics and the emergence of microorganisms resistant to antibiotics. Through membrane or metabolic disruption, they defend an organism against invading bacteria, viruses, protozoa, and fungi. High efficacy and specificity, low drug interaction and toxicity, thermostability, solubility in water, and biological diversity suggest their applications in food, medicine, agriculture, animal husbandry, and aquaculture. Nanocarriers can be used to protect, deliver, and improve their bioavailability effectiveness. High cost of production could limit their use. This review summarizes the natural sources, structures, modes of action, and applications of microbial peptides in the food and pharmaceutical industries. Any restrictions on AMPs' large-scale production are also taken into consideration.
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Affiliation(s)
- Irene Dini
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131 Napoli, Italy
| | | | - Andrea Mancusi
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Via Salute 2, 80055 Portici, Italy
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4
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Synergistic antibacterial effects of low-intensity ultrasound and peptide LCMHC against Staphylococcus aureus. Int J Food Microbiol 2022; 373:109713. [DOI: 10.1016/j.ijfoodmicro.2022.109713] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 04/28/2022] [Accepted: 05/05/2022] [Indexed: 11/20/2022]
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5
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Jin Y, Mao Y, Niu SF, Pan Y, Zheng WH, Wang J. Molecular characterisation and biological activity of an antiparasitic peptide from Sciaenops ocellatus and its immune response to Cryptocaryon irritans. Mol Immunol 2021; 141:1-12. [PMID: 34781186 DOI: 10.1016/j.molimm.2021.08.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 08/13/2021] [Accepted: 08/15/2021] [Indexed: 11/20/2022]
Abstract
Cryptocaryon irritans, a holotrichous ciliate parasitic protozoan, can trigger marine white spot disease and cause substantial economic losses in mariculture. However, methods of preventing and curing the disease have negatively affect fish, human, other organisms, and the natural environment. The antiparasitic activity of some antimicrobial peptides (AMPs) has garnered extensive attention of scholars. In this study, we identified and characterised a novel antiparasitic peptide, named So-pis, from Sciaenops ocellatus. The sequence analysis, structural features, and tissue distribution suggested that So-pis is genetically related to the piscidins family. However, So-pis showed a relatively low overall conservation compared with other known piscidins. So-pis is abound in glycine residues (22.7 %) and it has a neutral isoelectric point, weak amphipathicity, relatively long α-helix, and high hydrophobicity. These key elements are responsible for its biological activity. Quantitative real-time polymerase chain reaction (qRT-PCR) data indicated that So-pis is a typically gill-expressed peptide. The expression of So-pis in the gill, skin, spleen, and head kidney could be regulated during C. irritans infection, thereby implicating a role of So-pis in immune defence against C. irritans. The synthetic So-pis had limited or no antimicrobial activity against bacterial and yeasts but exhibited potent antiparasitic activity against C. irritans in vitro. The activity of synthetic So-pis against erythrocytes was less potent than its antiparasitic activity against C. irritans. These results indicated that So-pis might be one of the crucial defence cytokines against C. irritans in the red drum. Cumulatively, our data suggested that So-pis might be a potential candidate for developing a novel, effective, and safe therapeutic agent against marine white spot disease.
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Affiliation(s)
- Yuan Jin
- State Key Laboratory of Large Yellow Croaker Breeding, Ningde Fufa Fisheries Company Limited, Ningde, Fujian, 352103, China; National Marine Environmental Monitoring Center, Dalian, Liaoning, 116023, China
| | - Yong Mao
- State Key Laboratory of Large Yellow Croaker Breeding, Ningde Fufa Fisheries Company Limited, Ningde, Fujian, 352103, China
| | - Su-Fang Niu
- College of Fisheries, Guangdong Ocean University, Zhanjiang, Guangdong, China
| | - Ying Pan
- State Key Laboratory of Large Yellow Croaker Breeding, Ningde Fufa Fisheries Company Limited, Ningde, Fujian, 352103, China
| | - Wei-Hao Zheng
- State Key Laboratory of Large Yellow Croaker Breeding, Ningde Fufa Fisheries Company Limited, Ningde, Fujian, 352103, China
| | - Jun Wang
- State Key Laboratory of Large Yellow Croaker Breeding, Ningde Fufa Fisheries Company Limited, Ningde, Fujian, 352103, China.
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6
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Zheng LB, Hong YQ, Sun KH, Wang J, Hong YJ. Characteristics delineation of piscidin 5 like from Larimichthys crocea with evidence for the potent antiparasitic activity. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 113:103778. [PMID: 32710907 DOI: 10.1016/j.dci.2020.103778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 06/18/2020] [Accepted: 06/18/2020] [Indexed: 06/11/2023]
Abstract
Several researches reported that piscidin members of teleosts owned strong antiparasitic activity. Cryptocaryon irritans, a type of ectoparasite, could infect most of the marine teleosts. Larimichthys crocea could severely suffer from marine white spot disease caused by C. irritans, and their mortality rate was significantly high. Concentrating on this problem, we have done many related works. Piscidin 5 like (termed Lc-P5L) was another piscidin member isolated from a comparative transcriptome of C. irritans-immuned L. crocea. In the paper, quantitative Real-time PCR (qRT-PCR) showed Lc-P5L was upregulated in examined tissues, including gill, head kidney, muscle, liver, spleen and intestine after challenged by C. irritans, the significant upregulation time was in accordance to key developmental stages of C. irritans, which implied different infection stages could result in host immune response. Furthermore, using microscope techniques, we observed theronts or trophonts became weakly motile, cilia became detached, cells were out of shape, membranes eventually lysed in different cell positions and cytoplasmic contents leaked. Laser confocal scanning microscope (LCSM) observed theronts macronucleus grew swell and depolymerized after treated by recombinant Lc-P5L (rLc-P5L). Data suggested rLc-P5L was significantly lethal to C. irritans, and the death state of the parasite incubated with rLc-P5L was remarkably similar to other piscidin members or other antiparasitic peptides (APPs). Thus, these data provided new insights into L. crocea immunity against C. irritans and potential of rLc-P5L as a therapeutic agent against pathogen invasion.
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Affiliation(s)
- Li-Bing Zheng
- Guangdong Yuequn Ocean Biological Research Development CO., LTD, Jieyang, 515500, China.
| | - Yue-Qun Hong
- Guangdong Yuequn Ocean Biological Research Development CO., LTD, Jieyang, 515500, China
| | - Kai-Hui Sun
- Guangdong Yuequn Ocean Biological Research Development CO., LTD, Jieyang, 515500, China
| | - Jun Wang
- Guangdong Yuequn Ocean Biological Research Development CO., LTD, Jieyang, 515500, China.
| | - Yu-Jian Hong
- Guangdong Yuequn Ocean Biological Research Development CO., LTD, Jieyang, 515500, China.
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7
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León Madrazo A, Segura Campos MR. Review of antimicrobial peptides as promoters of food safety: Limitations and possibilities within the food industry. J Food Saf 2020. [DOI: 10.1111/jfs.12854] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Anaí León Madrazo
- Facultad de Ingeniería Química Universidad Autónoma de Yucatán Mérida Yucatán Mexico
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8
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George D, Maheswari PU, Begum KMMS. Chitosan-cellulose hydrogel conjugated with L-histidine and zinc oxide nanoparticles for sustained drug delivery: Kinetics and in-vitro biological studies. Carbohydr Polym 2020; 236:116101. [PMID: 32172900 DOI: 10.1016/j.carbpol.2020.116101] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 02/24/2020] [Accepted: 02/28/2020] [Indexed: 02/07/2023]
Abstract
Functionalised nanohybrid hydrogel using L-Histidine (HIS) conjugated chitosan, phyto-synthesised zinc oxide nanoparticles (ZNPs) and dialdehyde cellulose (DAC) was formulated as a sustained drug delivery carrier for the polyphenol drugs - Naringenin (NRG), Quercetin (QE) and Curcumin (CUR). A maximum loading efficiency of 90.55 %, 92.84 % and 89.89 %, respectively were optimised for NRG, QE and CUR in the hybrid hydrogel. The maximum drug release was favoured for the optimum drug loading and at pH-5. HIS-chitosan conjugation stabilised the hydrogel and enabled a sustained drug delivery. Drug release kinetics predicted a non-Fickian diffusion-based mechanism along with polymer erosion. Prominent antimicrobial activity against Staphylococcus aureus and Trichophyton rubrum strains were predicted to evolve based on the synergic formulation. Significant biocompatibility towards L929 cells revealed their support for normal cell survival. Anticancer studies towards A431 cells exhibited excellent cytotoxicity with a 15 to 30-fold increase using the hybrid carrier, compared to the free polyphenol drugs.
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Affiliation(s)
- Dhanya George
- Department of Chemical Engineering, National Institute of Technology, Tiruchirapalli, 620015, Tamilnadu, India
| | - P Uma Maheswari
- Department of Chemical Engineering, National Institute of Technology, Tiruchirapalli, 620015, Tamilnadu, India
| | - K M Meera Sheriffa Begum
- Department of Chemical Engineering, National Institute of Technology, Tiruchirapalli, 620015, Tamilnadu, India.
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9
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Comert F, Greenwood A, Maramba J, Acevedo R, Lucas L, Kulasinghe T, Cairns LS, Wen Y, Fu R, Hammer J, Blazyk J, Sukharev S, Cotten ML, Mihailescu M. The host-defense peptide piscidin P1 reorganizes lipid domains in membranes and decreases activation energies in mechanosensitive ion channels. J Biol Chem 2019; 294:18557-18570. [PMID: 31619519 PMCID: PMC6901303 DOI: 10.1074/jbc.ra119.010232] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 10/01/2019] [Indexed: 11/06/2022] Open
Abstract
The host-defense peptide (HDP) piscidin 1 (P1), isolated from the mast cells of striped bass, has potent activities against bacteria, viruses, fungi, and cancer cells and can also modulate the activity of membrane receptors. Given its broad pharmacological potential, here we used several approaches to better understand its interactions with multicomponent bilayers representing models of bacterial (phosphatidylethanolamine (PE)/phosphatidylglycerol) and mammalian (phosphatidylcholine/cholesterol (PC/Chol)) membranes. Using solid-state NMR, we solved the structure of P1 bound to PC/Chol and compared it with that of P3, a less potent homolog. The comparison disclosed that although both peptides are interfacially bound and α-helical, they differ in bilayer orientations and depths of insertion, and these differences depend on bilayer composition. Although Chol is thought to make mammalian membranes less susceptible to HDP-mediated destabilization, we found that Chol does not affect the permeabilization effects of P1. X-ray diffraction experiments revealed that both piscidins produce a demixing effect in PC/Chol membranes by increasing the fraction of the Chol-depleted phase. Furthermore, P1 increased the temperature required for the lamellar-to-hexagonal phase transition in PE bilayers, suggesting that it imposes positive membrane curvature. Patch-clamp measurements on the inner Escherichia coli membrane showed that P1 and P3, at concentrations sufficient for antimicrobial activity, substantially decrease the activating tension for bacterial mechanosensitive channels. This indicated that piscidins can cause lipid redistribution and restructuring in the microenvironment near proteins. We conclude that the mechanism of piscidin's antimicrobial activity extends beyond simple membrane destabilization, helping to rationalize its broader spectrum of pharmacological effects.
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Affiliation(s)
- Fatih Comert
- Institute for Bioscience and Biotechnology Research, Rockville, Maryland 20850
| | - Alexander Greenwood
- Department of Applied Science, William and Mary, Williamsburg, Virginia 23185
| | - Joseph Maramba
- Biology Department, University of Maryland, College Park, Maryland 20742
| | - Roderico Acevedo
- Institute for Bioscience and Biotechnology Research, Rockville, Maryland 20850
| | - Laura Lucas
- Institute for Bioscience and Biotechnology Research, Rockville, Maryland 20850
| | - Thulasi Kulasinghe
- Institute for Bioscience and Biotechnology Research, Rockville, Maryland 20850
| | - Leah S Cairns
- Department of Biochemistry and Molecular Biology, The Johns Hopkins University, Baltimore, Maryland 21205
| | - Yi Wen
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York 14853
| | - Riqiang Fu
- National High Magnetic Field Laboratory, Tallahassee, Florida 32310
| | - Janet Hammer
- Department of Biomedical Sciences, Ohio University, Athens, Ohio 45701
| | - Jack Blazyk
- Department of Biomedical Sciences, Ohio University, Athens, Ohio 45701
| | - Sergei Sukharev
- Biology Department, University of Maryland, College Park, Maryland 20742
| | - Myriam L Cotten
- Department of Applied Science, William and Mary, Williamsburg, Virginia 23185.
| | - Mihaela Mihailescu
- Institute for Bioscience and Biotechnology Research, Rockville, Maryland 20850.
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10
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Mihailescu M, Sorci M, Seckute J, Silin VI, Hammer J, Perrin BS, Hernandez JI, Smajic N, Shrestha A, Bogardus KA, Greenwood AI, Fu R, Blazyk J, Pastor RW, Nicholson LK, Belfort G, Cotten ML. Structure and Function in Antimicrobial Piscidins: Histidine Position, Directionality of Membrane Insertion, and pH-Dependent Permeabilization. J Am Chem Soc 2019; 141:9837-9853. [PMID: 31144503 DOI: 10.1021/jacs.9b00440] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Piscidins are histidine-enriched antimicrobial peptides that interact with lipid bilayers as amphipathic α-helices. Their activity at acidic and basic pH in vivo makes them promising templates for biomedical applications. This study focuses on p1 and p3, both 22-residue-long piscidins with 68% sequence identity. They share three histidines (H3, H4, and H11), but p1, which is significantly more permeabilizing, has a fourth histidine (H17). This study investigates how variations in amphipathic character associated with histidines affect the permeabilization properties of p1 and p3. First, we show that the permeabilization ability of p3, but not p1, is strongly inhibited at pH 6.0 when the conserved histidines are partially charged and H17 is predominantly neutral. Second, our neutron diffraction measurements performed at low water content and neutral pH indicate that the average conformation of p1 is highly tilted, with its C-terminus extending into the opposite leaflet. In contrast, p3 is surface bound with its N-terminal end tilted toward the bilayer interior. The deeper membrane insertion of p1 correlates with its behavior at full hydration: an enhanced ability to tilt, bury its histidines and C-terminus, induce membrane thinning and defects, and alter membrane conductance and viscoelastic properties. Furthermore, its pH-resiliency relates to the neutral state favored by H17. Overall, these results provide mechanistic insights into how differences in the histidine content and amphipathicity of peptides can elicit different directionality of membrane insertion and pH-dependent permeabilization. This work features complementary methods, including dye leakage assays, NMR-monitored titrations, X-ray and neutron diffraction, oriented CD, molecular dynamics, electrochemical impedance spectroscopy, surface plasmon resonance, and quartz crystal microbalance with dissipation.
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Affiliation(s)
- Mihaela Mihailescu
- Institute for Bioscience and Biotechnology Research , University of Maryland , Rockville , Maryland 20850 , United States
| | - Mirco Sorci
- Department of Chemical and Biological Engineering and Center for Biotechnology and Interdisciplinary Studies , Rensselaer Polytechnic Institute , Troy , New York 12180 , United States
| | - Jolita Seckute
- Department of Molecular Biology and Genetics , Cornell University , Ithaca , New York 14853 , United States
| | - Vitalii I Silin
- Institute for Bioscience and Biotechnology Research , University of Maryland , Rockville , Maryland 20850 , United States
| | - Janet Hammer
- Department of Biomedical Sciences , Ohio University , Athens , Ohio 45701 , United States
| | - B Scott Perrin
- Laboratory of Computational Biology, National Heart, Lung, and Blood Institute , National Institutes of Health , Bethesda , Maryland 20892 , United States
| | - Jorge I Hernandez
- Department of Bioengineering , Clemson University , Clemson , South Carolina 29634 , United States
| | - Nedzada Smajic
- Department of Chemistry , Hamilton College , Clinton , New York 13323 , United States
| | - Akritee Shrestha
- Department of Chemistry , Hamilton College , Clinton , New York 13323 , United States
| | - Kimberly A Bogardus
- Department of Chemistry , Hamilton College , Clinton , New York 13323 , United States
| | - Alexander I Greenwood
- Department of Applied Science , College of William and Mary , Williamsburg , Virginia 23185 , United States
| | - Riqiang Fu
- National High Magnetic Field Laboratory , Tallahassee , Florida 32310 , United States
| | - Jack Blazyk
- Department of Biomedical Sciences , Ohio University , Athens , Ohio 45701 , United States
| | - Richard W Pastor
- Laboratory of Computational Biology, National Heart, Lung, and Blood Institute , National Institutes of Health , Bethesda , Maryland 20892 , United States
| | - Linda K Nicholson
- Department of Molecular Biology and Genetics , Cornell University , Ithaca , New York 14853 , United States
| | - Georges Belfort
- Department of Chemical and Biological Engineering and Center for Biotechnology and Interdisciplinary Studies , Rensselaer Polytechnic Institute , Troy , New York 12180 , United States
| | - Myriam L Cotten
- Department of Applied Science , College of William and Mary , Williamsburg , Virginia 23185 , United States
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11
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Zhou HM, Li DC, Wang YY, Zhu H, Su YQ, Mao Y. Antimicrobial peptide Pc-pis: A new cancer cell killer. FISH & SHELLFISH IMMUNOLOGY 2018; 81:368-373. [PMID: 30031065 DOI: 10.1016/j.fsi.2018.07.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Revised: 07/09/2018] [Accepted: 07/11/2018] [Indexed: 06/08/2023]
Abstract
The antimicrobial peptide (AMP) Pc-pis, a member of Piscidin family from fish with cationic amphipathic structure, has potent, broad-spectrum antimicrobial activity against bacteria, fungi and parasite, and lower hemolytic activity. Here, we reported that Pc-pis had antitumor activity. Pc-pis killed tumor cells including HeLa cells. Previously, it is reported that AMPs bind to the membrane of bacteria to generate the pores to lyse the target cells, and similarly, the cancer cell incorporate phosphatidyl-serine on the outer leaflet of plasma membrane so that amphipathic AMPs can bind to the membrane to kill it. Our data supported that notion because suitable size osmo-protectant PEG4000 prevented HeLa cells from death induced by Pc-pis. Additionally, Fusion protein GFP-Pc-pis accumulated mainly at the nuclear membranes of HeLa cells and positive net charge in modified Pc-pis intensified but negative net charges eliminated this effect. Thus, positively charged residues were important for its affinity to the membrane. Our work will lay the groundwork of the development of Pc-pis antitumor activity.
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Affiliation(s)
- Hua-Min Zhou
- State Key Laboratory of Large Yellow Croaker Breeding, Fujian Fuding Seagull Fishing Food Co., Ltd, Fujian, 352103, China; State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361000, China.
| | - Da-Cheng Li
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361000, China
| | - Yi-Ying Wang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361000, China
| | - Huan Zhu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361000, China
| | - Yong-Quan Su
- State Key Laboratory of Large Yellow Croaker Breeding, Fujian Fuding Seagull Fishing Food Co., Ltd, Fujian, 352103, China; College of Ocean and Earth Sciences, Xiamen University, Xiamen, Fujian, 361000, China
| | - Yong Mao
- College of Ocean and Earth Sciences, Xiamen University, Xiamen, Fujian, 361000, China
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12
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Kim SY, Zhang F, Gong W, Chen K, Xia K, Liu F, Gross R, Wang JM, Linhardt RJ, Cotten ML. Copper regulates the interactions of antimicrobial piscidin peptides from fish mast cells with formyl peptide receptors and heparin. J Biol Chem 2018; 293:15381-15396. [PMID: 30158246 DOI: 10.1074/jbc.ra118.001904] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 08/20/2018] [Indexed: 11/06/2022] Open
Abstract
Phagocytic cells in fish secrete antimicrobial peptides (AMPs) such as piscidins, glycosaminoglycans such as heparin, and copper ions as first-line immune defenses. Recently, we established that Cu2+ coordination by piscidins 1 (P1) and 3 (P3) enhances their antibacterial activity against membranes and DNA. Interestingly, we noted that physicochemical similarities exist between both piscidins and other AMPs that interact with heparin and induce immune-cell chemotaxis through formyl peptide receptors (FPRs) involved in innate immunity. Thus, we postulated that P1 and P3 interact with heparin and FPRs but that these interactions distinctively depend on Cu2+ Here, we investigate the interactome potentiated by piscidins, heparin, FPR, and Cu2+ Utilizing FPR-transfected cells and neutrophils, we demonstrate that both piscidins exclusively use FPR1 and FPR2 to induce chemotaxis and that Cu2+ reduces their chemotaxis induction. P1 is more effective at activating FPR1 than P3 and other known AMP ligands. Furthermore, the expression of Fpr2 on the surface of neutrophils is down-regulated by both peptides. Copper conjugation of the peptides does not further increase down-regulation, suggesting that the conformational changes induced by the metal translate into reduced FPR efficacy without altering the binding affinity. Using surface plasmon resonance, we show that piscidin-heparin interactions are Cu2+-dependent and reduced at the acidic pH of phagosomes. Although heparin decreases the antimicrobial activity of P3-Cu2+, it does not affect bacterial killing by P1-Cu2+ Copper's effects on modulating the micromolar-range interactions of both piscidins with FPR and heparin suggest that the interactome of these distinct immune agents plays an important role in innate immunity. The interactions between diverse host-defense molecules uncovered here may help inform the design of novel therapeutics to treat immune-related diseases.
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Affiliation(s)
- So Young Kim
- From the Biochemistry and Biophysics Graduate Program
| | - Fuming Zhang
- Departments of Chemistry and Chemical Biology, Biology, Chemical and Biological Engineering, and Biomedical Engineering, and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180,
| | - Wanghua Gong
- the Basic Research Program, Leidos Biomedical Research, Inc., Frederick, Maryland 21702
| | - Keqiang Chen
- the Cancer and Inflammation Program, Center for Cancer Research, NCI-Frederick, National Institutes of Health, Frederick, Maryland 21702, and
| | - Kai Xia
- Departments of Chemistry and Chemical Biology, Biology, Chemical and Biological Engineering, and Biomedical Engineering, and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180
| | - Fei Liu
- Departments of Chemistry and Chemical Biology, Biology, Chemical and Biological Engineering, and Biomedical Engineering, and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180
| | - Richard Gross
- Departments of Chemistry and Chemical Biology, Biology, Chemical and Biological Engineering, and Biomedical Engineering, and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180
| | - Ji Ming Wang
- the Cancer and Inflammation Program, Center for Cancer Research, NCI-Frederick, National Institutes of Health, Frederick, Maryland 21702, and
| | - Robert J Linhardt
- From the Biochemistry and Biophysics Graduate Program, .,Departments of Chemistry and Chemical Biology, Biology, Chemical and Biological Engineering, and Biomedical Engineering, and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180
| | - Myriam L Cotten
- the Department of Applied Science, College of William and Mary, Williamsburg, Virginia 23185
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13
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Malik E, Dennison SR, Harris F, Phoenix DA. pH Dependent Antimicrobial Peptides and Proteins, Their Mechanisms of Action and Potential as Therapeutic Agents. Pharmaceuticals (Basel) 2016; 9:ph9040067. [PMID: 27809281 PMCID: PMC5198042 DOI: 10.3390/ph9040067] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 10/25/2016] [Accepted: 10/26/2016] [Indexed: 12/16/2022] Open
Abstract
Antimicrobial peptides (AMPs) are potent antibiotics of the innate immune system that have been extensively investigated as a potential solution to the global problem of infectious diseases caused by pathogenic microbes. A group of AMPs that are increasingly being reported are those that utilise pH dependent antimicrobial mechanisms, and here we review research into this area. This review shows that these antimicrobial molecules are produced by a diverse spectrum of creatures, including vertebrates and invertebrates, and are primarily cationic, although a number of anionic examples are known. Some of these molecules exhibit high pH optima for their antimicrobial activity but in most cases, these AMPs show activity against microbes that present low pH optima, which reflects the acidic pH generally found at their sites of action, particularly the skin. The modes of action used by these molecules are based on a number of major structure/function relationships, which include metal ion binding, changes to net charge and conformational plasticity, and primarily involve the protonation of histidine, aspartic acid and glutamic acid residues at low pH. The pH dependent activity of pore forming antimicrobial proteins involves mechanisms that generally differ fundamentally to those used by pH dependent AMPs, which can be described by the carpet, toroidal pore and barrel-stave pore models of membrane interaction. A number of pH dependent AMPs and antimicrobial proteins have been developed for medical purposes and have successfully completed clinical trials, including kappacins, LL-37, histatins and lactoferrin, along with a number of their derivatives. Major examples of the therapeutic application of these antimicrobial molecules include wound healing as well as the treatment of multiple cancers and infections due to viruses, bacteria and fungi. In general, these applications involve topical administration, such as the use of mouth washes, cream formulations and hydrogel delivery systems. Nonetheless, many pH dependent AMPs and antimicrobial proteins have yet to be fully characterized and these molecules, as a whole, represent an untapped source of novel biologically active agents that could aid fulfillment of the urgent need for alternatives to conventional antibiotics, helping to avert a return to the pre-antibiotic era.
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Affiliation(s)
- Erum Malik
- School of Forensic and Applied Sciences, University of Central Lancashire, Preston PR1 2HE, UK.
| | - Sarah R Dennison
- School of Pharmacy and Biological Sciences, University of Central Lancashire, Preston PR1 2HE, UK.
| | - Frederick Harris
- School of Forensic and Applied Sciences, University of Central Lancashire, Preston PR1 2HE, UK.
| | - David A Phoenix
- Office of the Vice Chancellor, London South Bank University, 103 Borough Road, London SE1 0AA, UK.
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14
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Kuczer M, Czarniewska E, Majewska A, Różanowska M, Rosiński G, Lisowski M. Novel analogs of alloferon: Synthesis, conformational studies, pro-apoptotic and antiviral activity. Bioorg Chem 2016; 66:12-20. [PMID: 26986636 DOI: 10.1016/j.bioorg.2016.03.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 03/08/2016] [Accepted: 03/09/2016] [Indexed: 01/26/2023]
Abstract
In this study, we report the structure-activity relationships of novel derivatives of the insect peptide alloferon (H-His-Gly-Val-Ser-Gly-His-Gly-Gln-His-Gly-Val-His-Gly-OH). The peptide structure was modified by exchanging His at position 9 or 12 for natural or non-natural amino acids. Biological properties of these peptides were determined in antiviral in vitro test against Human Herpes Virus 1 McIntrie strain (HHV-1MC) using a Vero cell line. The peptides were also evaluated for the pro-apoptotic action in vivo on hemocytes of the Tenebrio molitor beetle. Additionally, the structural properties of alloferon analogs were examined by the circular dichroism in water and methanol. It was found that most of the evaluated peptides can reduce the HHV-1 titer in Vero cells. [Ala(9)]-alloferon exhibits the strongest antiviral activity among the analyzed compounds. However, no cytotoxic activity against Vero cell line was observed for all the studied peptides. In vivo assays with hemocytes of T. molitor showed that [Lys(9)]-, [Phg(9)]-, [Lys(12)]-, and [Phe(12)]-alloferon exhibit a twofold increase in caspases activity in comparison with the native peptide. The CD conformational studies indicate that the investigated peptides seem to prefer the unordered conformation.
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Affiliation(s)
- Mariola Kuczer
- Faculty of Chemistry, University of Wrocław, 14 F. Joliot-Curie Str., 50-383 Wrocław, Poland.
| | - Elżbieta Czarniewska
- Department of Animal Physiology and Development, Institute of Experimental Biology, Adam Mickiewicz University, 89 Umultowska Str., 61-614 Poznań, Poland
| | - Anna Majewska
- Department of Medical Microbiology, Medical University of Warsaw, 5 Chałubińskiego Str., 02-005 Warsaw, Poland
| | - Maria Różanowska
- Faculty of Chemistry, University of Wrocław, 14 F. Joliot-Curie Str., 50-383 Wrocław, Poland
| | - Grzegorz Rosiński
- Department of Animal Physiology and Development, Institute of Experimental Biology, Adam Mickiewicz University, 89 Umultowska Str., 61-614 Poznań, Poland
| | - Marek Lisowski
- Faculty of Chemistry, University of Wrocław, 14 F. Joliot-Curie Str., 50-383 Wrocław, Poland
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15
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Chu W, Zhou S, Zhu W, Zhuang X. Quorum quenching bacteria Bacillus sp. QSI-1 protect zebrafish (Danio rerio) from Aeromonas hydrophila infection. Sci Rep 2014; 4:5446. [PMID: 24962441 PMCID: PMC4069686 DOI: 10.1038/srep05446] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Accepted: 06/09/2014] [Indexed: 12/01/2022] Open
Abstract
Quorum Sensing (QS) is a bacterial regulatory mechanism, which is responsible for controlling the expression of various biological macromolecules such as the virulence factors in a cell density-dependent manner. Disruption of the QS system of pathogens has been proposed as a new anti-infective strategy. Biodegradation of AHLs proves to be an efficient way to interrupt QS, since AHLs are the main family of QS autoinducers used in Gram negative bacteria. In this study, the effect of Bacillus sp. QSI-1 as an efficient quorum quencher on virulence factors production and biofilm formation of fish pathogen Aeromonas hydrophila was investigated. QSI-1 reduced the accumulation of AHLs but did not affect the growth of A. hydrophila YJ-1 when cocultured. In the result, the supernatant of QSI-1 showed significant inhibition of protease production (83.9%), hemolytic activity (77.6%) and biofilm formation (77.3%) in YJ-1. In biocontrol experiment, QSI-1 significantly reduced the pathogenicity of A. hydrophila strain YJ-1 in zebrafish (Danio rerio). The fish fed with QSI-1 was observed to have a relative percentage survival of 80.8%. Our results indicate that AHLs degrading bacteria should be considered as an alternative for antibiotics in aquaculture for the biocontrol of bacterial fish diseases.
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Affiliation(s)
- Weihua Chu
- Department of Pharmaceutical Microbiology, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Shuxin Zhou
- School of International Pharmaceutical Business, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Wei Zhu
- Department of Pharmaceutical Microbiology, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Xiyi Zhuang
- Department of Pharmaceutical Microbiology, China Pharmaceutical University, Nanjing 210009, P. R. China
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