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Yarahmadi A, Zare M, Aghayari M, Afkhami H, Jafari GA. Therapeutic bacteria and viruses to combat cancer: double-edged sword in cancer therapy: new insights for future. Cell Commun Signal 2024; 22:239. [PMID: 38654309 PMCID: PMC11040964 DOI: 10.1186/s12964-024-01622-w] [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: 12/04/2023] [Accepted: 04/17/2024] [Indexed: 04/25/2024] Open
Abstract
Cancer, ranked as the second leading cause of mortality worldwide, leads to the death of approximately seven million people annually, establishing itself as one of the most significant health challenges globally. The discovery and identification of new anti-cancer drugs that kill or inactivate cancer cells without harming normal and healthy cells and reduce adverse effects on the immune system is a potential challenge in medicine and a fundamental goal in Many studies. Therapeutic bacteria and viruses have become a dual-faceted instrument in cancer therapy. They provide a promising avenue for cancer treatment, but at the same time, they also create significant obstacles and complications that contribute to cancer growth and development. This review article explores the role of bacteria and viruses in cancer treatment, examining their potential benefits and drawbacks. By amalgamating established knowledge and perspectives, this review offers an in-depth examination of the present research landscape within this domain and identifies avenues for future investigation.
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Affiliation(s)
- Aref Yarahmadi
- Department of Biology, Khorramabad Branch, Islamic Azad University, Khorramabad, Iran
| | - Mitra Zare
- Department of Microbiology, Faculty of Sciences, Kerman Branch, Islamic Azad University, Kerman, Iran
| | - Masoomeh Aghayari
- Department of Microbiology, Faculty of Sciences, Urmia Branch, Islamic Azad University, Urmia, Iran
| | - Hamed Afkhami
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran.
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran.
- Department of Medical Microbiology, Faculty of Medicine, Shahed University, Tehran, Iran.
| | - Gholam Ali Jafari
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran.
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2
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Ribeiro AM, Paiva AD, Cruz AM, Vanetti MC, Ferreira SO, Mantovani HC. Bovicin HC5 and nisin reduce cell viability and the thermal resistance of Alicyclobacillus acidoterrestris endospores in fruit juices. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:3994-4002. [PMID: 34997599 DOI: 10.1002/jsfa.11747] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 12/20/2021] [Accepted: 01/08/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Alicyclobacillus acidoterrestris is an important thermoacidophilic spore-forming bacterium in fruit-juice deterioration, and alternative non-thermal methods have been investigated to control fruit juice spoilage. This work aimed to evaluate the capacity of bovicin HC5 and nisin to inhibit the growth of vegetative cells and reduce the thermal resistance of endospores of A. acidoterrestris inoculated (107 CFU mL-1 ) in different fruit juices. The number of viable cells was determined after 12 h incubation at 43 °C in the presence and absence of nisin or bovicin HC5 (10-100 AU mL-1 ). The exposure time (min) required to kill 90% of the initial population (reduction of one log factor) at 90 ºC (D90ºC ) was used to assess the thermal resistance of A. acidoterrestris endospores exposed (80 AU mL-1 ) or non-exposed to the bacteriocins. Additionally, the effect of bovicin and nisin on the morphology and cell structure of A. acidoterrestris was evaluated by atomic force microscopy (AFM). RESULTS Bovicin HC5 and nisin were bactericidal against A. acidoterrestris inoculated in fruit juices and reduced the D90°C values up to 30-fold. AFM topographical images revealed substantial structural changes in the cellular framework of vegetative cells upon treatment with bovicin HC5 or nisin. CONCLUSIONS These results emphasize the potential application of lantibiotics as additional hurdles in food processing to control thermoacidophilic spoilage bacteria in fruit juices. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Aryádina M Ribeiro
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Aline D Paiva
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Alexandra Mo Cruz
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Maria Cd Vanetti
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | | | - Hilário C Mantovani
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
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3
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Rommasi F. Bacterial-Based Methods for Cancer Treatment: What We Know and Where We Are. Oncol Ther 2022; 10:23-54. [PMID: 34780046 PMCID: PMC9098760 DOI: 10.1007/s40487-021-00177-x] [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: 09/23/2021] [Accepted: 10/25/2021] [Indexed: 01/10/2023] Open
Abstract
A severe disease, cancer is caused by the exponential and uncontrolled growth of cells, leading to organ dysfunction as well as disorders. This disease has been recognized as one of the significant challenges to health and medicine. Various treatment procedures for cancer are associated with diverse side effects; the most conventional cancer treatments include chemotherapy, surgery, and radiotherapy, among others. Numerous adverse and side effects, low specificity and sensitivity, narrow therapeutic windows, and, recently, the emergence of tumor cells resistant to such treatments have been documented as the shortcomings of conventional treatment strategies. As a group of prokaryotic microorganisms, bacteria have great potential for use in cancer therapy. Currently, utilizing bacteria for cancer treatment has attracted the attention of scientists. The high potential of bacteria to become non-pathogenic by genetic manipulation, their distinguished virulence factors (which can be used as weapons against tumors), their ability to proliferate in tissues, and the contingency to control their population by administrating antibiotics, etc., have made bacteria viable candidates and live micro-medication for cancer therapies. However, the possible cytotoxicity impacts of bacteria, their inability to entirely lyse cancerous cells, as well as the probability of mutations in their genomes are among the significant challenges of bacteria-based methods for cancer treatment. In this article, various available data on bacterial therapeutics, along with their pros and cons, are discussed.
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Affiliation(s)
- Foad Rommasi
- Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran.
- Microbiology Research Center (MRC), Pasteur Institute of Iran, Tehran, Iran.
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4
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Marzhoseyni Z, Shojaie L, Tabatabaei SA, Movahedpour A, Safari M, Esmaeili D, Mahjoubin-Tehran M, Jalili A, Morshedi K, Khan H, Okhravi R, Hamblin MR, Mirzaei H. Streptococcal bacterial components in cancer therapy. Cancer Gene Ther 2022; 29:141-155. [PMID: 33753868 DOI: 10.1038/s41417-021-00308-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 01/25/2021] [Accepted: 02/05/2021] [Indexed: 02/01/2023]
Abstract
The incidence rate of cancer is steadily increasing all around the world, and there is an urgent need to develop novel and more effective treatment strategies. Recently, bacterial therapy has been investigated as a new approach to target cancer, and is becoming a serious option. Streptococcus strains are among the most common and well-studied virulent bacteria that cause a variety of human infections. Everyone has experienced a sore throat during their lifetime, or has been asymptomatically colonized by streptococci. The ability of Streptococcus bacteria to fight cancer was discovered more than 100 years ago, and over the years has undergone clinical trials, but the mechanism is not yet completely understood. Recently, several animal models and human clinical trials have been reported. Streptococcal strains can have an intrinsic anti-tumor activity, or can activate the host immune system to fight the tumor. Bacteria can selectively accumulate and proliferate in the hypoxic regions of solid tumors. Moreover, the bacteria can be genetically engineered to secrete toxins or enzymes that can specifically attack the tumors.
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Affiliation(s)
- Zeynab Marzhoseyni
- Department of Microbiology and Immunology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Layla Shojaie
- Research Center for Liver Diseases, Keck School of Medicine, Department of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Seyed Alireza Tabatabaei
- Department of Internal Medicine, School of Medicine, Shahid Beheshti University of Medical Science, Tehran, Iran
| | - Ahmad Movahedpour
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahmood Safari
- Department of Microbiology and Immunology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Davoud Esmaeili
- Department of Microbiology and Applied Microbiology Research Center, Systems Biology and Poisonings Institute and Department of Microbiology, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Maryam Mahjoubin-Tehran
- Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amin Jalili
- Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Korosh Morshedi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan, 23200, Pakistan
| | - Ranaa Okhravi
- Department of Medical Sciences, Shahrood Branch, Islamic Azad University, Shahrood, Iran.
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, 2028, South Africa.
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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5
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Pimentel-Filho NDJ, Fuchs S, Baracat-Pereira MC, Mantovani HC, Riedel K, Vanetti MCD. Protein expression profiling of Staphylococcus aureus in response to the bacteriocin bovicin HC5. Appl Microbiol Biotechnol 2021; 105:7857-7869. [PMID: 34554273 DOI: 10.1007/s00253-021-11594-3] [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: 02/17/2021] [Revised: 09/09/2021] [Accepted: 09/11/2021] [Indexed: 10/20/2022]
Abstract
Alternative strategies to antibiotic treatment are required to inhibit pathogens, including Staphylococcus aureus. Bacteriocins, such as the lantibiotic bovicin HC5, have shown potential to control pathogens. This study aims to evaluate the stress response of S. aureus to bovicin HC5 using a proteomic approach. Sublethal concentrations of the bacteriocin repressed the synthesis of 62 cytoplasmic proteins, whereas 42 proteins were induced in S. aureus COL. Specifically, synthesis of several proteins involved in amino acid biosynthesis, mainly products of ilv-leu operon, and DNA metabolism, such as DNA polymerase I, decreased following bovicin treatment while proteins involved in catabolism, mainly tricarboxylic acid cycle metabolism, and chaperones were over-expressed. The levels of CodY and CcpA, important regulators involved in the stationary phase adaptation and catabolite repression, respectively, also increased in the presence of the bacteriocin. These results indicate that stress caused by the sublethal concentration of bovicin HC5 in the cell membrane results in growth reduction, reduced protein synthesis, and, at the same time, enhanced the levels of chaperones and enzymes involved in energy-efficient catabolism in an attempt to restore energy and cell homeostasis. These results bring relevant information to amplify the knowledge concerning the bacterial physiological changes in response to the stress caused by the cell exposition to bovicin HC5. New potential targets for controlling this pathogen can also be determined from the new protein expression pattern presented. KEY POINTS: • Bovicin HC5 changed the synthesis of cytoplasmic proteins of S. aureus. • Bovicin HC5 interfered in the synthesis of proteins of amino acids biosynthesis. • Synthesis of chaperones enhanced in the presence of sublethal dosage of bovicin HC5.
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Affiliation(s)
- Natan de Jesus Pimentel-Filho
- Departamento de Microbiologia, Universidade Federal de Viçosa, Av. P.H. Rolfs, Viçosa, MG, 36570-000, Brazil.,Institute of Microbiology, University of Greifswald, Friedrich-Ludwig-Jahn-Strasse 15, 17489, Greifswald, Germany.,Centro de Ciências da Natureza, Universidade Federal de São Carlos, Rod. Lauri Simões de Barros, km 12 - SP 189, Buri, SP, 18290-000, Brazil
| | - Stephan Fuchs
- Institute of Microbiology, University of Greifswald, Friedrich-Ludwig-Jahn-Strasse 15, 17489, Greifswald, Germany
| | - Maria Cristina Baracat-Pereira
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Av. P.H. Rolfs, Viçosa, MG, 36570-000, Brazil
| | - Hilário Cuquetto Mantovani
- Departamento de Microbiologia, Universidade Federal de Viçosa, Av. P.H. Rolfs, Viçosa, MG, 36570-000, Brazil
| | - Katharina Riedel
- Institute of Microbiology, University of Greifswald, Friedrich-Ludwig-Jahn-Strasse 15, 17489, Greifswald, Germany
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6
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de Sousa BL, Azevedo AC, Oliveira IMF, Bento CBP, Santana MF, Bazzolli DMS, Mantovani HC. PCR screening reveals abundance of bovicin-like bacteriocins among ruminal Streptococcus spp. isolated from beef and dairy cattle. J Appl Microbiol 2021; 131:1695-1709. [PMID: 33714234 DOI: 10.1111/jam.15069] [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: 05/18/2020] [Revised: 01/07/2021] [Accepted: 03/09/2021] [Indexed: 11/30/2022]
Abstract
AIMS To investigate the inhibitory activity and the distribution of biosynthetic genes encoding bovicin-like bacteriocins among ruminal Streptococcus isolated from beef and dairy cattle. METHODS AND RESULTS Most isolates were classified as Streptococcus equinus and Streptococcus lutetiensis based on 16S rRNA sequencing. The antimicrobial activity of 150 ruminal streptococci isolated from beef and dairy cattle were tested by deferred inhibition assays and their genetic diversity was characterized by BOX-PCR. The frequency of biosynthetic genes associated with the biosynthesis of bovicin-like bacteriocins (bovicin HC5 and bovicin 255) was investigated by PCR screening. Approximately 33% of the ruminal streptococci isolated from Nellore heifers showed inhibitory activity in vitro with the majority harbouring genes for bacteriocin biosynthesis. In contrast, streptococci from Holstein cows showed limited inhibitory activity and a lower frequency of bacteriocin biosynthetic genes. CONCLUSIONS Streptococcus from the rumen of beef and dairy cattle exhibit remarkable differences in inhibitory activity and distribution of genes associated with the biosynthesis of prototypical bovicins (bovicin HC5 and bovicin 255). SIGNIFICANCE AND IMPACT OF THE STUDY Our findings demonstrate that bovicin HC5 is distributed among ruminal streptococci from different breeds of cattle. The high degree of conservation of the bovicin HC5 structural gene among strains of ruminal streptococci suggests that random genetic drift is not a dominant force in the evolution of this bacteriocin.
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Affiliation(s)
- B L de Sousa
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil.,Departamento de Química, Universidade Federal de Viçosa, Viçosa, Brazil
| | - A C Azevedo
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - I M F Oliveira
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - C B P Bento
- Departamento de Microbiologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Unaí, Brazil
| | - M F Santana
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - D M S Bazzolli
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - H C Mantovani
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
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7
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Isolation, purification, and structural identification of a new bacteriocin made by Lactobacillus plantarum found in conventional kombucha. Food Control 2020. [DOI: 10.1016/j.foodcont.2019.106923] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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8
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Dickman R, Mitchell SA, Figueiredo AM, Hansen DF, Tabor AB. Molecular Recognition of Lipid II by Lantibiotics: Synthesis and Conformational Studies of Analogues of Nisin and Mutacin Rings A and B. J Org Chem 2019; 84:11493-11512. [PMID: 31464129 PMCID: PMC6759747 DOI: 10.1021/acs.joc.9b01253] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Indexed: 12/12/2022]
Abstract
In response to the growing threat posed by antibiotic-resistant bacterial strains, extensive research is currently focused on developing antimicrobial agents that target lipid II, a vital precursor in the biosynthesis of bacterial cell walls. The lantibiotic nisin and related peptides display unique and highly selective binding to lipid II. A key feature of the nisin-lipid II interaction is the formation of a cage-like complex between the pyrophosphate moiety of lipid II and the two thioether-bridged rings, rings A and B, at the N-terminus of nisin. To understand the important structural factors underlying this highly selective molecular recognition, we have used solid-phase peptide synthesis to prepare individual ring A and B structures from nisin, the related lantibiotic mutacin, and synthetic analogues. Through NMR studies of these rings, we have demonstrated that ring A is preorganized to adopt the correct conformation for binding lipid II in solution and that individual amino acid substitutions in ring A have little effect on the conformation. We have also analyzed the turn structures adopted by these thioether-bridged peptides and show that they do not adopt the tight α-turn or β-turn structures typically found in proteins.
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Affiliation(s)
- Rachael Dickman
- Department
of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, U.K.
| | - Serena A. Mitchell
- Department
of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, U.K.
| | - Angelo M. Figueiredo
- Institute
of Structural and Molecular Biology, Division of Biosciences, University College London, Gower Street, London WC1E 6BT, U.K.
| | - D. Flemming Hansen
- Institute
of Structural and Molecular Biology, Division of Biosciences, University College London, Gower Street, London WC1E 6BT, U.K.
| | - Alethea B. Tabor
- Department
of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, U.K.
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Pei J, Chen D, Jin W, Geng J, Wang W, Zhang S, Yue T, Zhang H. Structure and mode of action of a novel antibacterial peptide from the blood of Andrias davidianus. Lett Appl Microbiol 2019; 69:312-317. [PMID: 31529504 DOI: 10.1111/lam.13219] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 11/19/2018] [Accepted: 11/20/2018] [Indexed: 12/26/2022]
Abstract
Andrias davidianus is widely recognized in traditional medicine as a cure-all to treat a plethora of ailments. In a previous study, a novel antibacterial peptide named andricin B was isolated from A. davidianus blood. In this study, we investigated andricin B structure and its mode of action. Circular dichroism spectra suggested that andricin B adopts a random coil state in aqueous solution and a more rigid conformation in the presence of bacteria. Moreover propidium iodide/fluorescein diacetate double staining indicated that bacteria treated with andricin B were not immediately eliminated. Rather, there is a gradual bacterial death, followed by a sublethal stage. Scanning electronic microscope imaging indicates that andricin B might form pores on cell membranes, leading to the release of cytoplasmic contents. These results were consistent with flow cytometry analysis. Furthermore, Fourier transform infrared spectroscopy suggests that andricin B induces changes in the chemical properties in the areas surrounding these "pores" on the cell membranes. SIGNIFICANCE AND IMPACT OF THE STUDY: The results of this study suggested the new perspectives about the mode of action of antimicrobial peptide (AMP) active against sensitive bacteria. The AMP was able to be in a random coiled state in aqueous solution but to change to a more rigid one in the presence of sensitive bacteria. Exposure to AMP might not lead to immediate death of treated bacteria, rather bacteria concentration decreased gradually flattening at a sublethal stage. These findings will help people to understand better how the AMPs activate against sensitive bacteria.
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Affiliation(s)
- J Pei
- Shaanxi Key Laboratory of Biology and Bioresources, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong, Shaanxi, China
| | - D Chen
- Shaanxi Key Laboratory of Biology and Bioresources, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong, Shaanxi, China
| | - W Jin
- Shaanxi Key Laboratory of Biology and Bioresources, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong, Shaanxi, China
| | - J Geng
- Shaanxi Key Laboratory of Biology and Bioresources, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong, Shaanxi, China
| | - W Wang
- Shaanxi Key Laboratory of Biology and Bioresources, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong, Shaanxi, China
| | - S Zhang
- Shaanxi Key Laboratory of Biology and Bioresources, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong, Shaanxi, China
| | - T Yue
- College of Food Science, Northwest University, Xi'an, Shaanxi, China
| | - H Zhang
- College of Food Science, Qilu University of Technology, Shandong, China
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Barbosa SC, Nobre TM, Volpati D, Cilli EM, Correa DS, Oliveira ON. The cyclic peptide labaditin does not alter the outer membrane integrity of Salmonella enterica serovar Typhimurium. Sci Rep 2019; 9:1993. [PMID: 30760803 PMCID: PMC6374527 DOI: 10.1038/s41598-019-38551-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 12/27/2018] [Indexed: 12/21/2022] Open
Abstract
Antimicrobial peptides are a promising class of new antibiotics with the ability to kill bacteria by disrupting their cell membrane, which is especially difficult for Gram-negative bacteria whose cell wall contains an outer layer of lipopolysaccharides (LPS). Here we show that the cyclic decapeptide Labaditin (Lo), with proven activity against the Gram-positive Staphylococcus aureus and Streptococcus mutans, is not able to kill the Gram-negative Salmonella enterica serovar Typhimurium (S.e.s. Typhimurium). We found that Lo induced significant changes in the surface pressure isotherms of Langmuir monolayers representing the Salmonella enterica serovar Typhimurium inner membrane (S.e.s. Typhimurium IM), and caused leakage in large unilamellar vesicles made with this IM lipid composition. On the basis of these results one should expect bactericidal activity against S.e.s. Typhimurium. However, Lo could not interact with a monolayer of LPS, causing no significant changes in either the surface pressure isotherms or in the polarization-modulated infrared reflection absorption spectra (PM-IRRAS). Therefore, the failure of Lo to kill S.e.s. Typhimurium is associated with the lack of interaction with LPS from the outer bacteria membrane. Our approach with distinct monolayer compositions and combined techniques to investigate molecular-level interactions is useful for drug design to fight antibiotic-resistant bacteria.
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Affiliation(s)
- Simone C Barbosa
- São Carlos Institute of Physics, University of São Paulo, CP 369, 13560-970, São Carlos-SP, Brazil
| | - Thatyane M Nobre
- São Carlos Institute of Physics, University of São Paulo, CP 369, 13560-970, São Carlos-SP, Brazil
| | | | - Eduardo M Cilli
- Universidade Estadual Paulista (UNESP), Institute of Chemistry, 14800-060, Araraquara-SP, Brazil
| | - Daniel S Correa
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970, São Carlos, SP, Brazil
| | - Osvaldo N Oliveira
- São Carlos Institute of Physics, University of São Paulo, CP 369, 13560-970, São Carlos-SP, Brazil.
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11
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Li P, Wang J, Zou Y, Sun Z, Zhang M, Geng Z, Xu W, Wang D. Interaction of Hsp90AA1 with phospholipids stabilizes membranes under stress conditions. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2019; 1861:457-465. [DOI: 10.1016/j.bbamem.2018.11.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 11/19/2018] [Accepted: 11/26/2018] [Indexed: 01/29/2023]
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12
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Purification and characterization of plantaricin SLG1, a novel bacteriocin produced by Lb. plantarum isolated from yak cheese. Food Control 2018. [DOI: 10.1016/j.foodcont.2017.07.034] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Li P, Zhang M, Zou Y, Sun Z, Sun C, Geng Z, Xu W, Wang D. Interaction of heat shock protein 90 B1 (Hsp90B1) with liposome reveals its potential role in protection the integrity of lipid membranes. Int J Biol Macromol 2018; 106:1250-1257. [DOI: 10.1016/j.ijbiomac.2017.08.121] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 08/16/2017] [Accepted: 08/22/2017] [Indexed: 01/28/2023]
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14
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Pei J, Feng Z, Ren T, Sun H, Han H, Jin W, Dang J, Tao Y. Purification, characterization and application of a novel antimicrobial peptide from Andrias davidianus
blood. Lett Appl Microbiol 2017; 66:38-43. [DOI: 10.1111/lam.12823] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 10/09/2017] [Accepted: 10/11/2017] [Indexed: 11/26/2022]
Affiliation(s)
- J. Pei
- Shaanxi Key Laboratory of Biology and Bioresources; Shaanxi University of Technology; Shaanxi China
- Qinghai Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining China
| | - Z. Feng
- Shaanxi Key Laboratory of Biology and Bioresources; Shaanxi University of Technology; Shaanxi China
| | - T. Ren
- Shaanxi Key Laboratory of Biology and Bioresources; Shaanxi University of Technology; Shaanxi China
| | - H. Sun
- Shaanxi Key Laboratory of Biology and Bioresources; Shaanxi University of Technology; Shaanxi China
| | - H. Han
- Shaanxi Key Laboratory of Biology and Bioresources; Shaanxi University of Technology; Shaanxi China
| | - W. Jin
- Shaanxi Key Laboratory of Biology and Bioresources; Shaanxi University of Technology; Shaanxi China
| | - J. Dang
- Qinghai Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining China
| | - Y. Tao
- Qinghai Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining China
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15
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Pei J, Jiang H, Li X, Jin W, Tao Y. Antimicrobial peptides sourced from post-butter processing waste yak milk protein hydrolysates. AMB Express 2017; 7:217. [PMID: 29210028 PMCID: PMC5716961 DOI: 10.1186/s13568-017-0497-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 10/26/2017] [Indexed: 01/08/2023] Open
Abstract
Yak butter is one of the most important foods for the Tibetan people. Of note, its production yields waste yak milk as a by-product. In this work, waste yak milk protein hydrolysates made via Pepsin hydrolysis were shown to have antimicrobial activity. Furthermore, an innovative method of magnetic liposome adsorption combined with reversed-phase high performance liquid chromatography (RP-HPLC) was developed to screen for and purify the antimicrobial peptides. Two antimicrobial peptides were obtained and their amino acid sequences were determined by N-sequencing, namely Arg-Val-Met-Phe-Lys-Trp-Ala and Lys-Val-Ile-Ser-Met-Ile. The antimicrobial activity spectra of Arg-Val-Met-Phe-Lys-Trp-Ala included Bacillus subtilis, Staphylcoccus aureus, Listeria innocua, Escherichia coli, Enterobacter cloacae and Salmonella paratyphi, while the Lys-Val-Ile-Ser-Met-Ile peptide shows not only bacterial growth inhibition but also of fungi. Haemolytic testing suggested that these two antimicrobial peptides could be considered to have no haemolytic effect at their minimum inhibitory concentrations (MICs).
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Pei J, Feng Z, Ren T, Jin W, Li X, Chen D, Tao Y, Dang J. Selectively screen the antibacterial peptide from the hydrolysates of highland barley. Eng Life Sci 2017; 18:48-54. [PMID: 32624860 DOI: 10.1002/elsc.201700118] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 09/17/2017] [Accepted: 09/25/2017] [Indexed: 12/20/2022] Open
Abstract
Highland barley is one of the most important industrial crops in Tibetan plateau. Previous research indicated that highland barley has many medical functions. In this work, the antibacterial abilities of highland barley were investigated. The protein solutions hydrolyzed by trypsin for 4 h exhibited the highest antibacterial activity. An antibacterial peptide, barleycin, was screened and purified by magnetic liposome extraction combining with the protein profiles of reversed-phase high-performance liquid chromatography (RP-HPLC). Structure, characterization, and safety evaluation of barleycin were further investigated. Amino acids sequence was determined as Lys-Ile-Ile-Ile-Pro-Pro-Leu-Phe-His by N-sequencing. Circular dichroism spectra indicated the a-helix conformation of barleycin. The activity spectrum included Bacillus subtilis, Staphylcoccus aureus, Listeria innocua and Escherichia coli and the MICs were from 4 to 16 μg/mL. Safety evaluations with cytotoxicity and hemolytic suggested this antibacterial peptide could be considered as safe at MICs. Finally, mode of action of barleycin on sensitive cells was primarily studied. The results suggested the damage of cell membrane.
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Affiliation(s)
- Jinjin Pei
- Shaanxi Key Laboratory of Biology and Bioresources Shaanxi University of Technology Hanzhogn Shaanxi P. R. China.,Key laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology Chinese Academy of Sciences Xining P. R. China.,Qinghai Key Laboratory of Tibetan Medicine Research Xining P. R. China
| | - Zhenzhen Feng
- Shaanxi Key Laboratory of Biology and Bioresources Shaanxi University of Technology Hanzhogn Shaanxi P. R. China
| | - Ting Ren
- Shaanxi Key Laboratory of Biology and Bioresources Shaanxi University of Technology Hanzhogn Shaanxi P. R. China
| | - Wengang Jin
- Shaanxi Key Laboratory of Biology and Bioresources Shaanxi University of Technology Hanzhogn Shaanxi P. R. China
| | - Xinsheng Li
- Shaanxi Key Laboratory of Biology and Bioresources Shaanxi University of Technology Hanzhogn Shaanxi P. R. China
| | - Dejing Chen
- Shaanxi Key Laboratory of Biology and Bioresources Shaanxi University of Technology Hanzhogn Shaanxi P. R. China
| | - Yanduo Tao
- Key laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology Chinese Academy of Sciences Xining P. R. China.,Qinghai Key Laboratory of Tibetan Medicine Research Xining P. R. China
| | - Jun Dang
- Key laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology Chinese Academy of Sciences Xining P. R. China.,Qinghai Key Laboratory of Tibetan Medicine Research Xining P. R. China
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Müller A, Klöckner A, Schneider T. Targeting a cell wall biosynthesis hot spot. Nat Prod Rep 2017; 34:909-932. [PMID: 28675405 DOI: 10.1039/c7np00012j] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Covering: up to 2017History points to the bacterial cell wall biosynthetic network as a very effective target for antibiotic intervention, and numerous natural product inhibitors have been discovered. In addition to the inhibition of enzymes involved in the multistep synthesis of the macromolecular layer, in particular, interference with membrane-bound substrates and intermediates essential for the biosynthetic reactions has proven a valuable antibacterial strategy. A prominent target within the peptidoglycan biosynthetic pathway is lipid II, which represents a particular "Achilles' heel" for antibiotic attack, as it is readily accessible on the outside of the cytoplasmic membrane. Lipid II is a unique non-protein target that is one of the structurally most conserved molecules in bacterial cells. Notably, lipid II is more than just a target molecule, since sequestration of the cell wall precursor may be combined with additional antibiotic activities, such as the disruption of membrane integrity or disintegration of membrane-bound multi-enzyme machineries. Within the membrane bilayer lipid II is likely organized in specific anionic phospholipid patches that form a particular "landing platform" for antibiotics. Nature has invented a variety of different "lipid II binders" of at least 5 chemical classes, and their antibiotic activities can vary substantially depending on the compounds' physicochemical properties, such as amphiphilicity and charge, and thus trigger diverse cellular effects that are decisive for antibiotic activity.
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Affiliation(s)
- Anna Müller
- Institute of Pharmaceutical Microbiology, University of Bonn, Bonn, Germany.
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Pei J, Jiang L. Antimicrobial peptide from mucus of Andrias davidianus : screening and purification by magnetic cell membrane separation technique. Int J Antimicrob Agents 2017; 50:41-46. [DOI: 10.1016/j.ijantimicag.2017.02.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 01/25/2017] [Accepted: 02/10/2017] [Indexed: 10/19/2022]
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The importance of cyclic structure for Labaditin on its antimicrobial activity against Staphylococcus aureus. Colloids Surf B Biointerfaces 2016; 148:453-459. [PMID: 27665378 DOI: 10.1016/j.colsurfb.2016.09.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 09/04/2016] [Accepted: 09/11/2016] [Indexed: 01/24/2023]
Abstract
Antimicrobial resistance has reached alarming levels in many countries, thus leading to a search for new classes of antibiotics, such as antimicrobial peptides whose activity is exerted by interacting specifically with the microorganism membrane. In this study, we investigate the molecular-level mechanism of action for Labaditin (Lo), a 10-amino acid residue cyclic peptide from Jatropha multifida with known bactericidal activity against Streptococcus mutans. We show that Lo is also effective against Staphylococcus aureus (S. aureus) but this does not apply to its linear analogue (L1). Using polarization-modulated infrared reflection absorption spectroscopy (PM-IRRAS), we observed with that the secondary structure of Lo was preserved upon interacting with Langmuir monolayers from a phospholipid mixture mimicking S. aureus membrane, in contrast to L1. This structure preservation for the rigid, cyclic Lo is key for the self-assembly of peptide nanotubes that induce pore formation in large unilamellar vesicles (LUVs), according to permeability assays and dynamic light scattering measurements. In summary, the comparison between Labaditin (Lo) and its linear analogue L1 allowed us to infer that the bactericidal activity of Lo is more related to its interaction with the membrane. It does not require specific metabolic targets, which makes cyclic peptides promising for antibiotics without bacteria resistance.
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Oppedijk SF, Martin NI, Breukink E. Hit 'em where it hurts: The growing and structurally diverse family of peptides that target lipid-II. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2015; 1858:947-57. [PMID: 26523408 DOI: 10.1016/j.bbamem.2015.10.024] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 10/27/2015] [Accepted: 10/28/2015] [Indexed: 02/08/2023]
Abstract
Understanding the mode of action of antibiotics is becoming more and more important in the time that microorganisms start to develop resistance. One very well validated target of several classes of antibiotics is the peptidoglycan precursor lipid II. In this review different classes of lipid II targeting antibiotics will be discussed in detail, including the lantibiotics, human invertebrate defensins and the recently discovered teixobactin. By hitting bacteria where it hurts, at the level of lipid II, we expect to be able to develop efficient antibacterial agents in the future. This article is part of a Special Issue entitled: Antimicrobial peptides edited by Karl Lohner and Kai Hilpert.
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Affiliation(s)
- Sabine F Oppedijk
- Membrane biochemistry and Biophysics, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Nathaniel I Martin
- Medicinal Chemistry and Chemical Biology, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Eefjan Breukink
- Membrane biochemistry and Biophysics, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands.
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A central composite rotatable design (CCRD) approach to study the combined effect of antimicrobial agents against bacterial pathogens. World J Microbiol Biotechnol 2015; 31:1361-7. [DOI: 10.1007/s11274-015-1884-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Accepted: 06/05/2015] [Indexed: 10/23/2022]
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Paiva AD, de Oliveira MD, de Paula SO, Baracat-Pereira MC, Breukink E, Mantovani HC. Toxicity of bovicin HC5 against mammalian cell lines and the role of cholesterol in bacteriocin activity. MICROBIOLOGY-SGM 2012; 158:2851-2858. [PMID: 22956757 DOI: 10.1099/mic.0.062190-0] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Bacteriocins are ribosomally synthesized antimicrobial peptides produced by Bacteria and some Archaea. The assessment of the toxic potential of antimicrobial peptides is important in order to apply these peptides on an industrial scale. The aim of the present study was to investigate the in vitro cytotoxic and haemolytic potential of bovicin HC5, as well as to determine whether cholesterol influences bacteriocin activity on model membranes. Nisin, for which the mechanism of action is well described, was used as a reference peptide in our assays. The viability of three distinct eukaryotic cell lines treated with bovicin HC5 or nisin was analysed by using the MTT assay and cellular morphological changes were determined by light microscopy. The haemolytic potential was evaluated by using the haemoglobin liberation assay and the role of cholesterol on bacteriocin activity was examined by using model membranes composed of DOPC (1,2-dioleoyl-sn-glycero-3-phosphocholine) and DPoPC (1,2-dipalmitoyl-sn-glycero-3-phosphocholine). The IC(50) of bovicin HC5 and nisin against Vero cells was 65.42 and 13.48 µM, respectively. When the MTT assay was performed with MCF-7 and HepG2 cells, the IC(50) obtained for bovicin HC5 was 279.39 and 289.30 µM, respectively, while for nisin these values were 105.46 and 112.25 µM. The haemolytic activity of bovicin HC5 against eukaryotic cells was always lower than that determined for nisin. The presence of cholesterol did not influence the activity of either bacteriocin on DOPC model membranes, but nisin showed reduced carboxyfluorescein leakage in DPoPC membranes containing cholesterol. In conclusion, bovicin HC5 only exerted cytotoxic effects at concentrations that were greater than the concentration needed for its biological activity, and the presence of cholesterol did not affect its interaction with model membranes.
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Affiliation(s)
- Aline Dias Paiva
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | | | | | | | - Eefjan Breukink
- Department Biochemistry of Membranes, Utrecht University, Utrecht, The Netherlands
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