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Xi Y, Li J, Wu Z, Ma Y, Li J, Yang Z, Wang F, Yang D, Jiang Y, Yi Q, Huang S. Yorkie negatively regulates the Crustin expression during molting in Chinese mitten crab, Eriocheir sinensis. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2024; 161:105242. [PMID: 39128619 DOI: 10.1016/j.dci.2024.105242] [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: 06/06/2024] [Revised: 08/09/2024] [Accepted: 08/09/2024] [Indexed: 08/13/2024]
Abstract
Molting is a key biological process of crustaceans, which is mainly regulated by 20-hydroxyecdyone (20E). The molting cycle could be divided into three main stages including pre-molt, post-molt and inter-molt stages. The mechanism of immune regulation during molting process still requires further exploration. Yorkie (Yki) is a pivotal transcription factor in the Hippo signaling pathway, and it plays an essential role in regulating cell growth and immune response. In the present study, a Yki gene was identified from Eriocheir sinensis (designed as EsYki), and the regulatory role of EsYki in controlling the expression of antimicrobial peptide genes throughout the molting process was investigated. The mRNA expression level of EsYki was higher at the pre-molt stage compared to the post-molt stage and inter-molt stage. Following the injection of 20E, there was a notable and consistent rise in the EsYki mRNA expression in haemocytes. The increase was observed from 3 h to 48 h with the maximum level at 12 h. And the phosphorylation of Yki in the haemocytes was also significantly up-regulated at 3 h post 20E injection. Moreover, the levels of EsYki mRNA expression at three molting stages were significantly increased post Aeromonas hydrophila stimulation. The maximum level was detected at post-molt stage following A. hydrophila stimulation, while the lowest level was observed at inter-molt stage. The expression pattern of EsCrus was in contrast to EsCrus. After EsYki mRNA transcripts were inhibited by Yki inhibitor (CA3), the mRNA expression levels of EsCrus1 and EsCrus2 following A. hydrophila stimulation were significantly elevated. Furthermore, the phosphorylation level of NF-κB was also increased following the inhibition of Yki. Collectively, our findings indicated that EsYki could be induced by 20E and has a suppressive effect on the expression of EsCrus via inhibiting NF-κB during molting process. This research contributes to the understanding of the immunological regulation mechanism during molting process in crustaceans.
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Affiliation(s)
- Yuting Xi
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Jialin Li
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Zihao Wu
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Yuhan Ma
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Jiaming Li
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Zhichao Yang
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Fengchi Wang
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Dazuo Yang
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China; Key Laboratory of Marine Bio-Resources Restoration and Habitat Reparation in Liaoning Province, Dalian, 116023, China
| | - Yusheng Jiang
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China; Dalian Key Laboratory of Breeding, Reproduction and Aquaculture of Crustaceans, Dalian, 116023, China
| | - Qilin Yi
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China.
| | - Shu Huang
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China; Key Laboratory of Marine Bio-Resources Restoration and Habitat Reparation in Liaoning Province, Dalian, 116023, China; Dalian Key Laboratory of Breeding, Reproduction and Aquaculture of Crustaceans, Dalian, 116023, China.
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Aouji M, Zirari M, Imtara H, Rkhaila A, Bouhaddioui B, Mothana RA, Noman OM, Tarayrah M, Bengueddour R. Exploring the Chemical Composition, Antioxidant, and Antibacterial Properties of Helix aspersa Müller Flesh Crude Extract: A Comprehensive Investigation. ACS OMEGA 2024; 9:34754-34764. [PMID: 39157072 PMCID: PMC11325497 DOI: 10.1021/acsomega.4c04042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 07/21/2024] [Accepted: 07/23/2024] [Indexed: 08/20/2024]
Abstract
Snail flesh is a highly nutritious and easily digestible food commonly integrated into the human diet. In this study, snails belonging to the Helix aspersa Müller species were used to determine their chemical composition and evaluate the antioxidant and antibacterial activities of their flesh using successive maceration extractions with three solvents of different polarities. Biomolecules were analyzed spectrophotometrically, and their chemical compositions were determined by using gas chromatography coupled with mass spectroscopy. The antioxidant activity was assessed using three tests: DPPH, iron-reducing power test, and total antioxidant activity. The ethanol extract was found to be the most effective, with a high yield and high biomolecule content compared with other extracts. The extracts showed a significant amount of antioxidants, ranging from 3.14 to 7.04 mg AAE g-1 of dry matter, according to the total antioxidant activity assay. The DPPH scavenging capacity showed a reduction of the radical, with inhibitory concentrations ranging from 507.07 to 829.49 μg mL-1. In contrast, the iron-reducing power ranged from 67.98 to 424.74 μg mL-1. All of the strains studied responded favorably to the antimicrobial effects of H. aspersa extracts, with a zone of inhibition ranging from 8.48 to 15.53 mm. Additionally, at approximately 15 mg mL-1, the ethanolic extract had the lowest minimum inhibitory concentration against Pseudomonas aeruginosa. H. aspersa Müller flesh is rich in biomolecules with antioxidant and antibacterial activities, which could justify its use as a natural product and in therapeutic applications in the food industry.
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Affiliation(s)
- Marouane Aouji
- Laboratory
of Natural Resources and Sustainable Development, Department of Biology,
Faculty of Sciences, Ibn Tofail University, BP 133, Kenitra 14000, Morocco
| | - Malak Zirari
- Laboratory
of Organic Chemistry Catalysis and Environment, Department of Chemistry,
Faculty of Sciences, Ibn Tofail University, BP 133, Kénitra 14000, Morocco
| | - Hamada Imtara
- Faculty
of Medicine, Arab American University Palestine, Jenin 44862, Palestine
| | - Amine Rkhaila
- Laboratory
of Plant, Animal and Agro-Industry Productions, Department of Biology,
Faculty of Sciences, Ibn Tofail University, BP 133, Kenitra 14000, Morocco
| | - Bouchra Bouhaddioui
- Laboratory
of Natural Resources and Sustainable Development, Department of Biology,
Faculty of Sciences, Ibn Tofail University, BP 133, Kenitra 14000, Morocco
| | - Ramzi A. Mothana
- Department
of Pharmacognosy, College of Pharmacy, King
Saud University, Riyadh 11451, Saudi Arabia
| | - Omar M. Noman
- Department
of Pharmacognosy, College of Pharmacy, King
Saud University, Riyadh 11451, Saudi Arabia
| | - Mahmoud Tarayrah
- National
Center for Research in Human Genomics, 2 Rue Gaston Cŕemieux, Evry Courcouronnes 91000, France
| | - Rachid Bengueddour
- Laboratory
of Natural Resources and Sustainable Development, Department of Biology,
Faculty of Sciences, Ibn Tofail University, BP 133, Kenitra 14000, Morocco
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Tamburini E. The Blue Treasure: Comprehensive Biorefinery of Blue Crab ( Callinectes sapidus). Foods 2024; 13:2018. [PMID: 38998523 PMCID: PMC11240964 DOI: 10.3390/foods13132018] [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: 05/07/2024] [Revised: 06/17/2024] [Accepted: 06/25/2024] [Indexed: 07/14/2024] Open
Abstract
The blue crab, Callinectes sapidus (Rathbun, 1896), has become an invading species in the Mediterranean region, almost completely replacing native species within a few years and causing significant loss to local production. In some areas, there is an urgent need to propose new supply chains based on blue crab exploitation, where the potential valorisation routes for unsaleable blue crab and waste play an important role. The final purpose is to transform a threat into a treasure, towards a more sustainable world. In addition to applications in food industries, the considerable quantity of bioactive compounds in by-products, such as polysaccharides, proteins, amino acids, carotenoids, and chitin, needs to be capitalised by means of efficacious strategies and appropriate management. Crab exoskeleton can also be exploited as a carbonaceous material with applications in several fields, including medicine. Blue crab bioactive molecules have been widely recognised for having antioxidant, anticancer, antidiabetic, anti-inflammatory, and antimicrobial properties. Due to these functional and distinctive activities, such high-value components could be employed in various industries such as food-feed-pharma and cosmetics. Recycling and reusing these underutilised but economically valuable waste or by-products could help to reduce the environmental impacts of the whole supply chain from the perspective of the circular economy.
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Affiliation(s)
- Elena Tamburini
- Department of Environmental and Prevention Sciences, University of Ferrara, Via L. Borsari 46, 44121 Ferrara, Italy
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Cui M, Wang M, Sun H, Yu L, Su Z, Zhang X, Zheng Y, Xia M, Shen Y, Wang M. Identifying and characterization of novel broad-spectrum bacteriocins from the Shanxi aged vinegar microbiome: Machine learning, molecular simulation, and activity validation. Int J Biol Macromol 2024; 270:132272. [PMID: 38734334 DOI: 10.1016/j.ijbiomac.2024.132272] [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: 02/29/2024] [Revised: 04/24/2024] [Accepted: 05/08/2024] [Indexed: 05/13/2024]
Abstract
Shanxi aged vinegar microbiome encodes a wide variety of bacteriocins. The aim of this study was to mine, screen and characterize novel broad-spectrum bacteriocins from the large-scale microbiome data of Shanxi aged vinegar through machine learning, molecular simulation and activity validation. A total of 158 potential bacteriocins were innovatively mined from 117,552 representative genes based on metatranscriptomic information from the Shanxi aged vinegar microbiome using machine learning techniques and 12 microorganisms were identified to secrete bacteriocins at the genus level. Subsequently, employing AlphaFold2 structure prediction and molecular dynamics simulations, eight bacteriocins with high stability were further screened, and all of them were confirmed to have bacteriostatic activity by the Escherichia coli BL21 expression system. Then, gene_386319 (named LAB-3) and gene_403047 (named LAB-4) with the strongest antibacterial activities were purified by two-step methods and analyzed by mass spectrometry. The two bacteriocins have broad-spectrum antimicrobial activity with minimum inhibitory concentration values of 6.79 μg/mL-15.31 μg/mL against Staphylococcus aureus and Escherichia coli. Furthermore, molecular docking analysis indicated that LAB-3 and LAB-4 could interact with dihydrofolate reductase through hydrogen bonds, salt-bridge forces and hydrophobic forces. These findings suggested that the two bacteriocins could be considered as promising broad-spectrum antimicrobial agents.
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Affiliation(s)
- Meili Cui
- State Key Laboratory of Food Nutrition and Safety, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Mengyue Wang
- State Key Laboratory of Food Nutrition and Safety, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Haoyan Sun
- State Key Laboratory of Food Nutrition and Safety, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Lu Yu
- State Key Laboratory of Food Nutrition and Safety, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Zhenhua Su
- State Key Laboratory of Food Nutrition and Safety, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Xiaofeng Zhang
- State Key Laboratory of Food Nutrition and Safety, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yu Zheng
- State Key Laboratory of Food Nutrition and Safety, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Menglei Xia
- State Key Laboratory of Food Nutrition and Safety, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yanbing Shen
- State Key Laboratory of Food Nutrition and Safety, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Min Wang
- State Key Laboratory of Food Nutrition and Safety, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China.
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Jiao C, Ruan J, Sun W, Zhang X, Liu X, Sun G, Liu C, Sun C, Tian X, Yang D, Chen L, Wang Z. Molecular characterization, expression and antibacterial function of a macin, HdMac, from Haliotis discus hannai. J Invertebr Pathol 2024; 204:108113. [PMID: 38631559 DOI: 10.1016/j.jip.2024.108113] [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: 11/29/2023] [Revised: 04/12/2024] [Accepted: 04/14/2024] [Indexed: 04/19/2024]
Abstract
Macins are a family of antimicrobial peptides, which play multiple roles in the elimination of invading pathogens. In the present study, a macin was cloned and characterized from Pacific abalone Haliotis discus hannai (Designated as HdMac). Analysis of the conserved domain suggested that HdMac was a new member of the macin family. In non-stimulated abalones, HdMac transcripts were constitutively expressed in all five tested tissues, especially in hemocytes. After Vibrio harveyi stimulation, the expression of HdMac mRNA in hemocytes was significantly up-regulated at 12 hr (P < 0.01). RNAi-mediated knockdown of HdMac transcripts affected the survival rates of abalone against V. harveyi. Moreover, recombinant protein of HdMac (rHdMac) exhibited high antibacterial activities against invading bacteria, especially for Vibrio anguillarum. In addition, rHdMac possessed binding activities towards glucan, lipopolysaccharides (LPS), and peptidoglycan (PGN), but not chitin in vitro. Membrane integrity analysis revealed that rHdMac could increase the membrane permeability of bacteria. Meanwhile, both the phagocytosis and chemotaxis ability of hemocytes could be significantly enhanced by rHdMac. Overall, the results showed that HdMac could function as a versatile molecule involved in immune responses of H. discus hannai.
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Affiliation(s)
- Chunli Jiao
- Yantai Center for Food and Drug Control, Yantai 264003, PR China
| | - Jian Ruan
- Yantai Center for Food and Drug Control, Yantai 264003, PR China
| | - Wei Sun
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China
| | - Xinze Zhang
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China
| | - Xiaobo Liu
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China
| | - Guodong Sun
- Tianjin Xiqing District Agriculture and Rural Development Service Center, Tianjin 300380, PR China
| | - Caili Liu
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China
| | - Chunxiao Sun
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China
| | - Xiuhui Tian
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China
| | - Dinglong Yang
- Muping Coastal Environment Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, PR China
| | - Lizhu Chen
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China.
| | - Zhongquan Wang
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China.
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6
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Fang P, Yu S, Ma X, Hou L, Li T, Gao K, Wang Y, Sun Q, Shang L, Liu Q, Nie M, Yang J. Applications of tandem mass spectrometry (MS/MS) in antimicrobial peptides field: Current state and new applications. Heliyon 2024; 10:e28484. [PMID: 38601527 PMCID: PMC11004759 DOI: 10.1016/j.heliyon.2024.e28484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/12/2024] Open
Abstract
Antimicrobial peptides (AMPs) constitute a group of small molecular peptides that exhibit a wide range of antimicrobial activity. These peptides are abundantly present in the innate immune system of various organisms. Given the rise of multidrug-resistant bacteria, microbiological studies have identified AMPs as potential natural antibiotics. In the context of antimicrobial resistance across various human pathogens, AMPs hold considerable promise for clinical applications. However, numerous challenges exist in the detection of AMPs, particularly by immunological and molecular biological methods, especially when studying of newly discovered AMPs in proteomics. This review outlines the current status of AMPs research and the strategies employed in their development, considering resent discoveries and methodologies. Subsequently, we focus on the advanced techniques of mass spectrometry for the quantification of AMPs in diverse samples, and analyzes their application, advantages, and limitations. Additionally, we propose suggestions for the future development of tandem mass spectrometry for the detection of AMPs.
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Affiliation(s)
- Panpan Fang
- Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, PR China
| | - Songlin Yu
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, 100730, PR China
| | - Xiaoli Ma
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, 100730, PR China
| | - Lian Hou
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, 100730, PR China
| | - Tiewei Li
- Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, PR China
| | - Kaijie Gao
- Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, PR China
| | - Yingyuan Wang
- Department of Neonatal Intensive Care Unit, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, PR China
| | - Qianqian Sun
- Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, PR China
| | - Lujun Shang
- Department of Laboratory Medicine, Guizhou Provincial People's Hospital, Guiyang, 550004, PR China
| | - Qianqian Liu
- Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, PR China
| | - Manjie Nie
- Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, PR China
| | - Junmei Yang
- Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, PR China
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La Corte C, Catania V, Dara M, Parrinello D, Staropoli M, Trapani MR, Cammarata M, Parisi MG. Equinins as Novel Broad-Spectrum Antimicrobial Peptides Isolated from the Cnidarian Actinia equina (Linnaeus, 1758). Mar Drugs 2024; 22:172. [PMID: 38667789 PMCID: PMC11051070 DOI: 10.3390/md22040172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/05/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
Sea anemones are valuable for therapeutic research as a diversified source of bioactive molecules, due to their diverse bioactive molecules linked to predation and defence mechanisms involving toxins and antimicrobial peptides. Acid extracts from Actinia equina tentacles and body were examined for antibacterial activity against Gram-positive, Gram-negative bacteria, and fungi. The peptide fractions showed interesting minimum inhibitory concentration (MIC) values (up to 0.125 µg/mL) against the tested pathogens. Further investigation and characterization of tentacle acid extracts with significant antimicrobial activity led to the purification of peptides through reverse phase chromatography on solid phase and HPLC. Broad-spectrum antimicrobial peptide activity was found in 40% acetonitrile fractions. The resulting peptides had a molecular mass of 2612.91 and 3934.827 Da and MIC ranging from 0.06 to 0.20 mg/mL. Sequencing revealed similarities to AMPs found in amphibians, fish, and Cnidaria, with anti-Gram+, Gram-, antifungal, candidacidal, anti-methicillin-resistant Staphylococcus aureus, carbapenemase-producing, vancomycin-resistant bacteria, and multi-drug resistant activity. Peptides 6.2 and 7.3, named Equinin A and B, respectively, were synthesized and evaluated in vitro towards the above-mentioned bacterial pathogens. Equinin B exerted interesting antibacterial activity (MIC and bactericidal concentrations of 1 mg/mL and 0.25 mg/mL, respectively) and gene organization supporting its potential in applied research.
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Affiliation(s)
- Claudia La Corte
- Marine Immunobiology Laboratory, Department of Earth and Marine Sciences (DiSTeM), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy; (C.L.C.); (M.D.); (D.P.); (M.S.); (M.R.T.); (M.G.P.)
- NBFC—National Biodiversity Future Center, Piazza Marina 61, 90133 Palermo, Italy;
| | - Valentina Catania
- NBFC—National Biodiversity Future Center, Piazza Marina 61, 90133 Palermo, Italy;
- Department of Earth and Marine Sciences (DiSTeM), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy
| | - Mariano Dara
- Marine Immunobiology Laboratory, Department of Earth and Marine Sciences (DiSTeM), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy; (C.L.C.); (M.D.); (D.P.); (M.S.); (M.R.T.); (M.G.P.)
- NBFC—National Biodiversity Future Center, Piazza Marina 61, 90133 Palermo, Italy;
| | - Daniela Parrinello
- Marine Immunobiology Laboratory, Department of Earth and Marine Sciences (DiSTeM), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy; (C.L.C.); (M.D.); (D.P.); (M.S.); (M.R.T.); (M.G.P.)
- NBFC—National Biodiversity Future Center, Piazza Marina 61, 90133 Palermo, Italy;
| | - Mariele Staropoli
- Marine Immunobiology Laboratory, Department of Earth and Marine Sciences (DiSTeM), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy; (C.L.C.); (M.D.); (D.P.); (M.S.); (M.R.T.); (M.G.P.)
- NBFC—National Biodiversity Future Center, Piazza Marina 61, 90133 Palermo, Italy;
| | - Maria Rosa Trapani
- Marine Immunobiology Laboratory, Department of Earth and Marine Sciences (DiSTeM), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy; (C.L.C.); (M.D.); (D.P.); (M.S.); (M.R.T.); (M.G.P.)
| | - Matteo Cammarata
- Marine Immunobiology Laboratory, Department of Earth and Marine Sciences (DiSTeM), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy; (C.L.C.); (M.D.); (D.P.); (M.S.); (M.R.T.); (M.G.P.)
- NBFC—National Biodiversity Future Center, Piazza Marina 61, 90133 Palermo, Italy;
| | - Maria Giovanna Parisi
- Marine Immunobiology Laboratory, Department of Earth and Marine Sciences (DiSTeM), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy; (C.L.C.); (M.D.); (D.P.); (M.S.); (M.R.T.); (M.G.P.)
- NBFC—National Biodiversity Future Center, Piazza Marina 61, 90133 Palermo, Italy;
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8
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Thomas AM, Antony SP. Marine Antimicrobial Peptides: An Emerging Nightmare to the Life-Threatening Pathogens. Probiotics Antimicrob Proteins 2024; 16:552-578. [PMID: 37022565 DOI: 10.1007/s12602-023-10061-x] [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] [Accepted: 03/08/2023] [Indexed: 04/07/2023]
Abstract
The emergence of multidrug-resistant pathogens due to improper usage of conventional antibiotics has created a global health crisis. Alternatives to antibiotics being an urgent need, the scientific community is forced to search for new antimicrobials. This exploration has led to the discovery of antimicrobial peptides, a group of small peptides occurring in different phyla such as Porifera, Cnidaria, Annelida, Arthropoda, Mollusca, Echinodermata, and Chordata, as a component of their innate immune system. The marine environment, possessing immense diversity of organisms, is undoubtedly one of the richest sources of unique potential antimicrobial peptides. The distinctiveness of marine antimicrobial peptides lies in their broad-spectrum activity, mechanism of action, less cytotoxicity, and high stability, which form the benchmark for developing a potential therapeutic. This review aims to (1) synthesise the available information on the distinctive antimicrobial peptides discovered from marine organisms, particularly over the last decade, and (2) discuss the distinctiveness of marine antimicrobial peptides and their prospects.
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Affiliation(s)
- Anne Maria Thomas
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Fine Arts Avenue, Kochi, Kerala, 682016, India
| | - Swapna P Antony
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Fine Arts Avenue, Kochi, Kerala, 682016, India.
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Summer K, Liu L, Guo Q, Barkla B, Benkendorff K. Semi-purified Antimicrobial Proteins from Oyster Hemolymph Inhibit Pneumococcal Infection. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2024:10.1007/s10126-024-10297-w. [PMID: 38430292 DOI: 10.1007/s10126-024-10297-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 02/05/2024] [Indexed: 03/03/2024]
Abstract
Pneumococcal infections caused by Streptococcus pneumoniae are a leading cause of morbidity and mortality globally, particularly among children. The ability of S. pneumoniae to form enduring biofilms makes treatment inherently difficult, and options are further limited by emerging antibiotic resistance. The discovery of new antibiotics, particularly those with antibiofilm activity, is therefore increasingly important. Antimicrobial proteins and peptides (AMPs) from marine invertebrates are recognised as promising pharmacological leads. This study determined the in vitro antibacterial activity of hemolymph and unique protein fractions from an Australian oyster (Saccostrea glomerata) against multi-drug-resistant S. pneumoniae. We developed a successful method for hemolymph extraction and separation into 16 fractions by preparative HPLC. The strongest activity was observed in fraction 7: at 42 µg/mL protein, this fraction was bactericidal to S. pneumoniae and inhibited biofilm formation. Proteomic analysis showed that fraction 7 contained relatively high abundance of carbonic anhydrase, cofilin, cystatin B-like, and gelsolin-like proteins, while surrounding fractions, which showed lower or no antibacterial activity, contained these proteins in lower abundance or not at all. This work supports traditional medicinal uses of oysters and contributes to further research and development of novel hemolymph/AMP-based treatments for pneumococcal infections.
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Affiliation(s)
- Kate Summer
- Faculty of Science and Engineering, Southern Cross University, Military Road, Lismore, NSW, 2480, Australia.
| | - Lei Liu
- Faculty of Science and Engineering, Southern Cross University, Military Road, Lismore, NSW, 2480, Australia
| | - Qi Guo
- Faculty of Science and Engineering, Southern Cross University, Military Road, Lismore, NSW, 2480, Australia
| | - Bronwyn Barkla
- Faculty of Science and Engineering, Southern Cross University, Military Road, Lismore, NSW, 2480, Australia
| | - Kirsten Benkendorff
- National Marine Science Centre, Southern Cross University, 2 Bay Drive, Coffs Harbour, NSW, 2450, Australia
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10
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Silva RCMC, Gomes FM. Evolution of the Major Components of Innate Immunity in Animals. J Mol Evol 2024; 92:3-20. [PMID: 38281163 DOI: 10.1007/s00239-024-10155-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Accepted: 01/11/2024] [Indexed: 01/30/2024]
Abstract
Innate immunity is present in all animals. In this review, we explore the main conserved mechanisms of recognition and innate immune responses among animals. In this sense, we discuss the receptors, critical for binding to pathogen-associated molecular patterns (PAMPs) or danger-associated molecular patterns (DAMPs); the downstream signaling proteins; and transcription factors that govern immune responses. We also highlight conserved inflammatory mediators that are induced after the recognition of DAMPs and PAMPs. At last, we discuss the mechanisms that are involved in the regulation and/or generation of reactive oxygen species (ROS), influencing immune responses, like heme-oxygenases (HOs).
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Affiliation(s)
- Rafael Cardoso Maciel Costa Silva
- Laboratory of Immunoreceptors and Signaling, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Fábio Mendonça Gomes
- Laboratório de Ultraestrutura Celular Hertha Meyer, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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11
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Agada DE, Sar TT, Ujoh JA, Ameh LO. Antibacterial susceptibility of staphylococcus aureus, salmonella typhi, bacillus subtilis and escherichia coli to snail slime. Afr Health Sci 2023; 23:177-182. [PMID: 38974275 PMCID: PMC11225495 DOI: 10.4314/ahs.v23i4.20] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2024] Open
Abstract
Background The emanation of multi-drugs resistant microorganisms and the challenges faced in combating multi-drug resistant infections is a public health issue and this has increased the search for effective antibiotics from natural sources. Objectives This work aims to determine the susceptibility of some pathogenic bacterial species to snail slime. Methods The antibacterial activity of aqueous and ethanolic snail slime extracts were investigated against Staphylococcus aureus, Salmonella typhi, Bacillus subtilis and Escherichia coli using the agar well diffusion method. Results The results showed that all the organisms were sensitive to both extracts but were more susceptible to aqueous extracts; the highest zone of inhibition for aqueous extracts was 27.33mm ± 2.51mm for Staphylococcus aureus at concentration of 1000µl/ml, while the lowest was 11.33mm ± 1.53mm against Escherichia coli. The highest zone of inhibition for ethanolic fraction was 15.67 ± 1.15mm for Salmonella typhi. The lowest inhibition was 9.33mm ± 0.58mm for Escherichia coli. The MIC was 3.125% for Staphylococcus aureus, Bacillus subtilis and Escherichia coli and 6.25% for S. typhi. The extracts were not cidal at the concentrations used. Statistical analysis revealed that the treatments between the aqueous and ethanolic extracts against Staphylococcus aureus, Escherichia coli and Salmonella typhi were significant (p ≤ 0.05). The treatment against B. subtilis showed no significant difference between the two extracts (p > 0.05). Conclusion This study has revealed that snail slime possesses antibacterial properties which can be used as anti-microbial agents against infectious diseases.
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Affiliation(s)
- Dorcas E Agada
- Department of Microbiology, Joseph Sarwuan Tarka University, Makurdi, Benue State, Nigeria
| | - Terdzungwe T Sar
- Department of Microbiology, Joseph Sarwuan Tarka University, Makurdi, Benue State, Nigeria
| | - John Adole Ujoh
- Department of Microbiology, Federal University of Health Sciences Otukpo, Benue State, Nigeria
| | - Linus O Ameh
- Department of Biochemistry and Molecular Biology Federal University Dutsinma Kastina State, Nigeria
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12
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Gong X, Li M, Zhang L, Huang S, Wang G. Identification and functional analysis of myeloid differentiation factor 88 (MyD88) in early development of Haliotis diversicolor. FISH & SHELLFISH IMMUNOLOGY 2023; 142:109085. [PMID: 37722440 DOI: 10.1016/j.fsi.2023.109085] [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: 07/22/2023] [Revised: 09/13/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023]
Abstract
Myeloid differentiation factor 88 (MyD88) is a universal adaptor protein and plays an important role in the signal transduction of Toll like receptors (TLR) family. In this study, the MyD88 gene from the Haliotis diversicolor (hdMyD88) was identified. The full-length cDNA of hdMyD88 has a 1927 base pairs (bp), with an open reading frame of 1314 bp encoding 437 amino acids including a death domain (DD) at the N-terminus and TIR domain at the C-terminus which are typical features of MyD88 family proteins. Three conserved boxes are also found in the hdMyD88, which are similar to MyD88 in vertebrates. The expression levels of hdMyD88 mRNA at different early embryonic developmental stages of abalone were measured by qPCR revealed that their constitutive expression at all developmental stages analyzed with the considerably highest values at 8 cell stage and the lowest level at the trochosphere stage. Additionally, the mRNA expression of hdMyD88 decreased significantly (P < 0.05) after MyD88-dsRNA soak in the stage of trochosphere and veliger than EGFP-dsRNA group and blank control group. Whole embryo in situ hybridization showed that the positive signals of hdMyD88 were in visceral mass of trochophore larvae and veliger larvae. These results indicate hdMyD88 may could respond to pathogenic infection and may play an important role in early innate immunity in the process of abalone larval development.
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Affiliation(s)
- Xiaoting Gong
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, 361021, China
| | - Min Li
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, 361021, China
| | - Lili Zhang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, 361021, China
| | - Shiyu Huang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, 361021, China
| | - Guodong Wang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, 361021, China.
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13
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Hou Y, Zhang T, Zhang F, Liao T, Li Z. Transcriptome analysis of digestive diverticula of Hong Kong oyster (Crassostrea hongkongesis) infected with Vibrio harveyi. FISH & SHELLFISH IMMUNOLOGY 2023; 142:109120. [PMID: 37813153 DOI: 10.1016/j.fsi.2023.109120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/15/2023] [Accepted: 09/27/2023] [Indexed: 10/11/2023]
Abstract
The Hong Kong oyster (Crassostrea hongkongesis), as the main marine aquaculture shellfish in the South China Sea, not only has high economic and ecological value, but also is an ideal model for conducting research on pathogen host interaction. However, diseases caused by Vibrio pose a serious impediment to the culture of C. hongkongesis. In this study, we performed transcriptome analysis of digestive diverticula of C. hongkongesis infected with V. harveyi. A total of 977, 689, 912 high quality reads and 955, 208, 562 valid reads were obtained. At 12, 24, 48 and 72 h post-infection, 1402, 2168, 2727 and 1398 differentially expressed genes (DEGs) were captured, respectively. GO enrichment analysis showed that DEGs were significantly enriched in cellular processes, catalytic activity, cell part and other terms. KEGG enrichment analysis revealed that these DEGs were mainly closely related to Necroptosis, RIG-I-like receptor signaling pathway, NF-kappa B signaling pathway, Toll-like receptor signaling pathway and other pathways are related. The results of WGCNA analysis indicated that THBS1, CA10, Trpm2, THAP12, PTPRT, HSPA12A, and ADAM10 were the hub genes in the gene co-expression network. This study will provide new ideas at the transcriptome level for the immune regulatory mechanisms and adaptability of the C. hongkongesis to V. infection, as well as for achieving selective breeding for Vibrio resistance in the C. hongkongesis.
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Affiliation(s)
- Yongkang Hou
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Teng Zhang
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Fangqi Zhang
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Taoliang Liao
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Zhimin Li
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China.
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14
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Guryanova SV, Balandin SV, Belogurova-Ovchinnikova OY, Ovchinnikova TV. Marine Invertebrate Antimicrobial Peptides and Their Potential as Novel Peptide Antibiotics. Mar Drugs 2023; 21:503. [PMID: 37888438 PMCID: PMC10608444 DOI: 10.3390/md21100503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 09/14/2023] [Accepted: 09/21/2023] [Indexed: 10/28/2023] Open
Abstract
Marine invertebrates constantly interact with a wide range of microorganisms in their aquatic environment and possess an effective defense system that has enabled their existence for millions of years. Their lack of acquired immunity sets marine invertebrates apart from other marine animals. Invertebrates could rely on their innate immunity, providing the first line of defense, survival, and thriving. The innate immune system of marine invertebrates includes various biologically active compounds, and specifically, antimicrobial peptides. Nowadays, there is a revive of interest in these peptides due to the urgent need to discover novel drugs against antibiotic-resistant bacterial strains, a pressing global concern in modern healthcare. Modern technologies offer extensive possibilities for the development of innovative drugs based on these compounds, which can act against bacteria, fungi, protozoa, and viruses. This review focuses on structural peculiarities, biological functions, gene expression, biosynthesis, mechanisms of antimicrobial action, regulatory activities, and prospects for the therapeutic use of antimicrobial peptides derived from marine invertebrates.
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Affiliation(s)
- Svetlana V. Guryanova
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (S.V.G.); (S.V.B.)
- Medical Institute, Peoples’ Friendship University of Russia, 117198 Moscow, Russia
| | - Sergey V. Balandin
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (S.V.G.); (S.V.B.)
| | | | - Tatiana V. Ovchinnikova
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (S.V.G.); (S.V.B.)
- Phystech School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141701 Dolgoprudny, Russia;
- Department of Biotechnology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
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15
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Abd El-Aal AAA, Jayakumar FA, Lahiri C, Tan KO, Reginald K. Novel cationic cryptides in Penaeus vannamei demonstrate antimicrobial and anti-cancer activities. Sci Rep 2023; 13:14673. [PMID: 37673929 PMCID: PMC10482825 DOI: 10.1038/s41598-023-41581-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 08/29/2023] [Indexed: 09/08/2023] Open
Abstract
Cryptides are a subfamily of bioactive peptides that exist in all living organisms. They are latently encrypted in their parent sequences and exhibit a wide range of biological activities when decrypted via in vivo or in vitro proteases. Cationic cryptides tend to be drawn to the negatively charged membranes of microbial and cancer cells, causing cell death through various mechanisms. This makes them promising candidates for alternative antimicrobial and anti-cancer therapies, as their mechanism of action is independent of gene mutations. In the current study, we employed an in silico approach to identify novel cationic cryptides with potential antimicrobial and anti-cancer activities in atypical and systematic strategy by reanalysis of a publicly available RNA-seq dataset of Pacific white shrimp (Penaus vannamei) in response to bacterial infection. Out of 12 cryptides identified, five were selected based on their net charges and potential for cell penetration. Following chemical synthesis, the cryptides were assayed in vitro to test for their biological activities. All five cryptides demonstrated a wide range of selective activity against the tested microbial and cancer cells, their anti-biofilm activities against mature biofilms, and their ability to interact with Gram-positive and negative bacterial membranes. Our research provides a framework for a comprehensive analysis of transcriptomes in various organisms to uncover novel bioactive cationic cryptides. This represents a significant step forward in combating the crisis of multi-drug-resistant microbial and cancer cells, as these cryptides neither induce mutations nor are influenced by mutations in the cells they target.
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Affiliation(s)
- Amr Adel Ahmed Abd El-Aal
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, 47500, Bandar Sunway, Selangor, Malaysia
- Marine Microbiology Lab., National Institute of Oceanography and Fisheries (NIOF), Alexandria, 84511, Egypt
| | - Fairen Angelin Jayakumar
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, 47500, Bandar Sunway, Selangor, Malaysia
| | - Chandrajit Lahiri
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, 47500, Bandar Sunway, Selangor, Malaysia
- Department of Biotechnology, Atmiya University, Rajkot, Gujarat, 360005, India
| | - Kuan Onn Tan
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, 47500, Bandar Sunway, Selangor, Malaysia
| | - Kavita Reginald
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, 47500, Bandar Sunway, Selangor, Malaysia.
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16
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Cooreman K, De Spiegeleer B, Van Poucke C, Vanavermaete D, Delbare D, Wynendaele E, De Witte B. Emerging pharmaceutical therapies of Ascidian-derived natural products and derivatives. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 102:104254. [PMID: 37648122 DOI: 10.1016/j.etap.2023.104254] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 09/01/2023]
Abstract
In a growing multidrug-resistant environment, the identification of potential new drug candidates with an acceptable safety profile is a substantial crux in pharmaceutical discovery. This review discusses several aspects and properties of approved marine natural products derived from ascidian sources (phylum Chordata, subphylum Tunicata) and/or their deduced analogues including their biosynthetic origin, (bio)chemical preclinical assessments and known efficacy-safety profiles, clinical status in trials, but also translational developments, opportunities and final conclusions. The review also describes the preclinical assessments of a large number of other ascidian compounds that have not been involved in clinical trials yet. Finally, the emerging research on the connectivity of the ascidian hosts and their independent or obligate symbiotic guests is discussed. The review covers the latest information on the topic of ascidian-derived marine natural products over the last two decades including 2022, with the majority of publications published in the last decade.
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Affiliation(s)
- Kris Cooreman
- Aquatic Environment and Quality, Animal Sciences Unit, Flanders Research Institute for Agriculture, Fisheries and Food, Jacobsenstraat 1, BE-8400 Ostend, Belgium
| | - Bart De Spiegeleer
- Faculty of Pharmaceutical Sciences, Drug Quality and Registration Group, Ghent University, Ottergemsesteenweg 460, BE-9000 Ghent, Belgium
| | - Christof Van Poucke
- Technology and Food Science Unit, Flanders Research Institute for Agriculture, Fisheries and Food, Brusselsesteenweg 370, BE-9090 Melle, Belgium
| | - David Vanavermaete
- Aquatic Environment and Quality, Animal Sciences Unit, Flanders Research Institute for Agriculture, Fisheries and Food, Jacobsenstraat 1, BE-8400 Ostend, Belgium
| | - Daan Delbare
- Aquatic Environment and Quality, Animal Sciences Unit, Flanders Research Institute for Agriculture, Fisheries and Food, Jacobsenstraat 1, BE-8400 Ostend, Belgium
| | - Evelien Wynendaele
- Faculty of Pharmaceutical Sciences, Drug Quality and Registration Group, Ghent University, Ottergemsesteenweg 460, BE-9000 Ghent, Belgium
| | - Bavo De Witte
- Aquatic Environment and Quality, Animal Sciences Unit, Flanders Research Institute for Agriculture, Fisheries and Food, Jacobsenstraat 1, BE-8400 Ostend, Belgium.
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17
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Koiwai K, Kondo H, Hirono I. scRNA-seq Analysis of Hemocytes of Penaeid Shrimp Under Virus Infection. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2023:10.1007/s10126-023-10221-8. [PMID: 37326798 DOI: 10.1007/s10126-023-10221-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 06/02/2023] [Indexed: 06/17/2023]
Abstract
The classification of cells in non-model organisms has lagged behind the classification of cells in model organisms that have established cluster of differentiation marker sets. To reduce fish diseases, research is needed to better understand immune-related cells, or hemocytes, in non-model organisms like shrimp and other marine invertebrates. In this study, we used Drop-seq to examine how virus infection affected the populations of hemocytes in kuruma shrimp, Penaeus japonicus, which had been artificially infected with a virus. The findings demonstrated that virus infection reduced particular cell populations in circulating hemolymph and inhibited the expression of antimicrobial peptides. We also identified the gene sets that are likely to be responsible for this reduction. Additionally, we identified functionally unknown genes as novel antimicrobial peptides, and we supported this assumption by the fact that these genes were expressed in the population of hemocytes that expressed other antimicrobial peptides. In addition, we aimed to improve the operability of the experiment by conducting Drop-seq with fixed cells as a source and discussed the impact of methanol fixation on Drop-seq data in comparison to previous results obtained without fixation. These results not only deepen our understanding of the immune system of crustaceans but also demonstrate that single-cell analysis can accelerate research on non-model organisms.
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Affiliation(s)
- Keiichiro Koiwai
- Laboratory of Genome Science, Tokyo University of Marine Science and Technology, Tokyo, Japan.
| | - Hidehiro Kondo
- Laboratory of Genome Science, Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Ikuo Hirono
- Laboratory of Genome Science, Tokyo University of Marine Science and Technology, Tokyo, Japan
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18
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Mazurkiewicz-Pisarek A, Baran J, Ciach T. Antimicrobial Peptides: Challenging Journey to the Pharmaceutical, Biomedical, and Cosmeceutical Use. Int J Mol Sci 2023; 24:ijms24109031. [PMID: 37240379 DOI: 10.3390/ijms24109031] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/14/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
Antimicrobial peptides (AMPs), or host defence peptides, are short proteins in various life forms. Here we discuss AMPs, which may become a promising substitute or adjuvant in pharmaceutical, biomedical, and cosmeceutical uses. Their pharmacological potential has been investigated intensively, especially as antibacterial and antifungal drugs and as promising antiviral and anticancer agents. AMPs exhibit many properties, and some of these have attracted the attention of the cosmetic industry. AMPs are being developed as novel antibiotics to combat multidrug-resistant pathogens and as potential treatments for various diseases, including cancer, inflammatory disorders, and viral infections. In biomedicine, AMPs are being developed as wound-healing agents because they promote cell growth and tissue repair. The immunomodulatory effects of AMPs could be helpful in the treatment of autoimmune diseases. In the cosmeceutical industry, AMPs are being investigated as potential ingredients in skincare products due to their antioxidant properties (anti-ageing effects) and antibacterial activity, which allows the killing of bacteria that contribute to acne and other skin conditions. The promising benefits of AMPs make them a thrilling area of research, and studies are underway to overcome obstacles and fully harness their therapeutic potential. This review presents the structure, mechanisms of action, possible applications, production methods, and market for AMPs.
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Affiliation(s)
- Anna Mazurkiewicz-Pisarek
- Centre for Advanced Materials and Technologies CEZAMAT, Warsaw University of Technology, Poleczki 19, 02-822 Warsaw, Poland
| | - Joanna Baran
- Centre for Advanced Materials and Technologies CEZAMAT, Warsaw University of Technology, Poleczki 19, 02-822 Warsaw, Poland
| | - Tomasz Ciach
- Centre for Advanced Materials and Technologies CEZAMAT, Warsaw University of Technology, Poleczki 19, 02-822 Warsaw, Poland
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Warynskiego 1, 00-645 Warsaw, Poland
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19
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Ijaz S, Haq IU, Malik R, Nadeem G, Ali HM, Kaur S. In silico characterization of differentially expressed short-read nucleotide sequences identified in dieback stress-induced transcriptomic analysis reveals their role as antimicrobial peptides. FRONTIERS IN PLANT SCIENCE 2023; 14:1168221. [PMID: 37021314 PMCID: PMC10069654 DOI: 10.3389/fpls.2023.1168221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 03/02/2023] [Indexed: 06/19/2023]
Abstract
We investigated the in silico characterization of short-length nucleotide sequences that were differentially expressed in dieback stress-induced transcriptomic analysis. They displayed homology with C-terminal flanking peptides and defensins-like proteins, revealing their antimicrobial activity. Their predicted fingerprints displayed protein signatures related to antimicrobial peptides. These short-length RGAs have been shown to possess structural motifs such as APLT P-type ATPase, casein kinase II (CK2), protein kinase 3, protein kinase C (PKC), and N-glycosylation site that are the attributes of disease resistance genes. The prediction of arginine and lysine residues in active binding sites in ligand docking analysis prophesied them as antimicrobial peptides due to their strong relation with antimicrobial activity. The in silico structural-functional characterization has predicted their role in resistance against microbial pathogens. Moreover, the predicted antimicrobial peptide regions showed their homology with the signature domain of PR-5-like protein and AMP family Thaumatin.
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Affiliation(s)
- Siddra Ijaz
- Centre of Agricultural Biochemistry and Biotechnology (CABB), University of Agriculture, Faisalabad, Pakistan
| | - Imran Ul Haq
- Department of Plant Pathology, University of Agriculture, Faisalabad, Pakistan
| | - Riffat Malik
- Centre of Agricultural Biochemistry and Biotechnology (CABB), University of Agriculture, Faisalabad, Pakistan
| | - Ghalia Nadeem
- Centre of Agricultural Biochemistry and Biotechnology (CABB), University of Agriculture, Faisalabad, Pakistan
| | - Hayssam M. Ali
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sukhwinder Kaur
- Department of Plant Pathology, University of California, Davis, Davis, CA, United States
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20
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Al Shawous A, Soliman A, Fahmy S, Mohamed A. Therapeutic Efficacy of Anodonta cygnea and Crayfish Procambarus clarkii Hemolymph Extracts on Sepsis-Induced Acute Liver Injury in Neonate Rats. INT J PHARMACOL 2023. [DOI: 10.3923/ijp.2023.185.196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
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21
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Rodriguez A, Martell-Huguet EM, González-García M, Alpízar-Pedraza D, Alba A, Vazquez AA, Grieshober M, Spellerberg B, Stenger S, Münch J, Kissmann AK, Rosenau F, Wessjohann LA, Wiese S, Ständker L, Otero-Gonzalez AJ. Identification and Characterization of Three New Antimicrobial Peptides from the Marine Mollusk Nerita versicolor (Gmelin, 1791). Int J Mol Sci 2023; 24:ijms24043852. [PMID: 36835264 PMCID: PMC9968088 DOI: 10.3390/ijms24043852] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/10/2023] [Accepted: 02/11/2023] [Indexed: 02/17/2023] Open
Abstract
Mollusks have been widely investigated for antimicrobial peptides because their humoral defense against pathogens is mainly based on these small biomolecules. In this report, we describe the identification of three novel antimicrobial peptides from the marine mollusk Nerita versicolor. A pool of N. versicolor peptides was analyzed with nanoLC-ESI-MS-MS technology, and three potential antimicrobial peptides (Nv-p1, Nv-p2 and Nv-p3) were identified with bioinformatical predictions and selected for chemical synthesis and evaluation of their biological activity. Database searches showed that two of them show partial identity to histone H4 peptide fragments from other invertebrate species. Structural predictions revealed that they all adopt a random coil structure even when placed near a lipid bilayer patch. Nv-p1, Nv-p2 and Nv-p3 exhibited activity against Pseudomonas aeruginosa. The most active peptide was Nv-p3 with an inhibitory activity starting at 1.5 µg/mL in the radial diffusion assays. The peptides were ineffective against Klebsiella pneumoniae, Listeria monocytogenes and Mycobacterium tuberculosis. On the other hand, these peptides demonstrated effective antibiofilm action against Candida albicans, Candida parapsilosis and Candida auris but not against the planktonic cells. None of the peptides had significant toxicity on primary human macrophages and fetal lung fibroblasts at effective antimicrobial concentrations. Our results indicate that N. versicolor-derived peptides represent new AMP sequences and have the potential to be optimized and developed into antibiotic alternatives against bacterial and fungal infections.
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Affiliation(s)
- Armando Rodriguez
- Core Facility for Functional Peptidomics (CFP), Faculty of Medicine, Ulm University, 89081 Ulm, Germany
- Core Unit of Mass Spectrometry and Proteomics, Faculty of Medicine, Ulm University, 89081 Ulm, Germany
| | - Ernesto M. Martell-Huguet
- Center for Protein Studies, Faculty of Biology, University of Havana, 25 and I, La Habana 10400, Cuba
| | - Melaine González-García
- Center for Protein Studies, Faculty of Biology, University of Havana, 25 and I, La Habana 10400, Cuba
| | - Daniel Alpízar-Pedraza
- Center for Pharmaceutical Research and Development (CIDEM), 26th Avenue, No. 1605, Nuevo Vedado, La Habana 10400, Cuba
| | - Annia Alba
- Department of Parasitology, Institute of Tropical Medicine “Pedro Kouri”, Autopista Novia del Mediodía, La Habana 13600, Cuba
| | - Antonio A. Vazquez
- Department of Parasitology, Institute of Tropical Medicine “Pedro Kouri”, Autopista Novia del Mediodía, La Habana 13600, Cuba
| | - Mark Grieshober
- Institute of Medical Microbiology and Hygiene, University Clinic of Ulm, TBC1 Forschung, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Barbara Spellerberg
- Institute of Medical Microbiology and Hygiene, University Clinic of Ulm, TBC1 Forschung, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Steffen Stenger
- Institute of Medical Microbiology and Hygiene, University Clinic of Ulm, TBC1 Forschung, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Jan Münch
- Institute of Molecular Virology, Ulm University, 89081 Ulm, Germany
| | | | - Frank Rosenau
- Institute of Pharmaceutical Biotechnology, Ulm University, 89081 Ulm, Germany
| | - Ludger A. Wessjohann
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, 06120 Halle (Saale), Germany
| | - Sebastian Wiese
- Core Unit of Mass Spectrometry and Proteomics, Faculty of Medicine, Ulm University, 89081 Ulm, Germany
| | - Ludger Ständker
- Core Facility for Functional Peptidomics (CFP), Faculty of Medicine, Ulm University, 89081 Ulm, Germany
- Correspondence: (L.S.); (A.J.O.-G.); Tel.: +49-731-500-65171 (L.S.)
| | - Anselmo J. Otero-Gonzalez
- Center for Protein Studies, Faculty of Biology, University of Havana, 25 and I, La Habana 10400, Cuba
- Correspondence: (L.S.); (A.J.O.-G.); Tel.: +49-731-500-65171 (L.S.)
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22
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Gago F. Computational Approaches to Enzyme Inhibition by Marine Natural Products in the Search for New Drugs. Mar Drugs 2023; 21:100. [PMID: 36827141 PMCID: PMC9961086 DOI: 10.3390/md21020100] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/26/2023] [Accepted: 01/28/2023] [Indexed: 02/03/2023] Open
Abstract
The exploration of biologically relevant chemical space for the discovery of small bioactive molecules present in marine organisms has led not only to important advances in certain therapeutic areas, but also to a better understanding of many life processes. The still largely untapped reservoir of countless metabolites that play biological roles in marine invertebrates and microorganisms opens new avenues and poses new challenges for research. Computational technologies provide the means to (i) organize chemical and biological information in easily searchable and hyperlinked databases and knowledgebases; (ii) carry out cheminformatic analyses on natural products; (iii) mine microbial genomes for known and cryptic biosynthetic pathways; (iv) explore global networks that connect active compounds to their targets (often including enzymes); (v) solve structures of ligands, targets, and their respective complexes using X-ray crystallography and NMR techniques, thus enabling virtual screening and structure-based drug design; and (vi) build molecular models to simulate ligand binding and understand mechanisms of action in atomic detail. Marine natural products are viewed today not only as potential drugs, but also as an invaluable source of chemical inspiration for the development of novel chemotypes to be used in chemical biology and medicinal chemistry research.
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Affiliation(s)
- Federico Gago
- Department of Biomedical Sciences & IQM-CSIC Associate Unit, School of Medicine and Health Sciences, University of Alcalá, E-28805 Madrid, Alcalá de Henares, Spain
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23
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Botryllin, a Novel Antimicrobial Peptide from the Colonial Ascidian Botryllus schlosseri. Mar Drugs 2023; 21:md21020074. [PMID: 36827115 PMCID: PMC9966394 DOI: 10.3390/md21020074] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/12/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023] Open
Abstract
By mining the transcriptome of the colonial ascidian Botryllus schlosseri, we identified a transcript for a novel styelin-like antimicrobial peptide, which we named botryllin. The gene is constitutively transcribed by circulating cytotoxic morula cells (MCs) as a pre-propeptide that is then cleaved to mature peptide. The synthetic peptide, obtained from in silico translation of the transcript, shows robust killing activity of bacterial and unicellular yeast cells, causing breakages of both the plasma membrane and the cell wall. Specific monoclonal antibodies were raised against the epitopes of the putative amino acid sequence of the propeptide and the mature peptide; in both cases, they label the MC granular content. Upon MC degranulation induced by the presence of nonself, the antibodies recognise the extracellular nets with entrapped bacteria nearby MC remains. The obtained results suggest that the botryllin gene carries the information for the synthesis of an AMP involved in the protection of B. schlosseri from invading foreign cells.
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24
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Characterisation of a novel crustin isoform from mud crab, Scylla serrata (Forsskål, 1775) and its functional analysis in silico. In Silico Pharmacol 2022; 11:2. [PMID: 36582926 PMCID: PMC9795441 DOI: 10.1007/s40203-022-00138-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/18/2022] [Indexed: 12/29/2022] Open
Abstract
A 336-base pair (bp) sized mRNA sequence encoding 111 amino acid size crustin isoform (MC-crustin) was obtained from the gill sample of the green mud crab, Scylla serrata. MC-crustin possessed an N-terminal signal peptide region comprising of 21 amino acid residues, followed by a 90 amino acid mature peptide region having a molecular weight of 10.164 kDa, charge + 4.25 and theoretical pI of 8.27. Sequence alignment and phylogenetic tree analyses revealed the peptide to be a Type I crustin, with four conserved cysteine residues forming the cysteine rich region, followed by WAP domain. MC-crustin was cationic with cysteine/proline rich structure and was predicted with antimicrobial, anti-inflammatory, anti-angiogenic and anti-hypertensive property making it a potential molecule for possible therapeutic applications.
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25
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Huang S, Ma Y, Wang F, Li J, Yang Z, Jiang Y, Chen X, Hu S, Yi Q. ERK is involved in the regulation of CpG ODN 2395 on the expression levels of anti-lipopolysaccharide factors in Chinese mitten crab, Eriocheir sinensis. FISH & SHELLFISH IMMUNOLOGY 2022; 131:1206-1213. [PMID: 36403703 DOI: 10.1016/j.fsi.2022.11.023] [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: 08/04/2022] [Revised: 11/10/2022] [Accepted: 11/12/2022] [Indexed: 06/16/2023]
Abstract
CpG oligodeoxynucleotides (ODN), as an effective adjuvant or immunopotentiator, activate the immune system and induce various immune responses. Recently, it has also been reported that high dose of CpG ODN can lead to immunosuppression. However, the underlying mechanism of CpG ODN-mediated immune response remains largely unknown in invertebrates. In the present study, the role of ERK in regulating expression levels of anti-lipopolysaccharide factors (ALFs) induced by different doses of CpG ODN 2395 was analyzed in Chinese mitten crab, Eriocheir sinensis. The mRNA expression levels of EsALFs (EsALF1, EsALF2 and EsALF3) and EsERK in haemocytes were observed to increase from 6 h to 48 h post low doses of CpG ODN 2395 (0.5 μg and 2.5 μg) stimulation, while they were suppressed after high dose of CpG ODN 2395 (12.5 μg) injection. Meanwhile, the phosphorylation levels of ERK in haemocytes were significantly promoted after low doses of CpG ODN 2395 injection, and a reduce level of ERK phosphorylation was observed after high dose of CpG ODN 2395 injection. Further investigation showed that the expression levels of EsALFs induced by CpG ODN 2395 were markedly down-regulated after knocking down the expression of EsERK. Similarly, the EsALFs mRNA expression were also inhibited post different doses of CpG ODN 2395 stimulation in PD98059 (ERK inhibitor) injection crabs. These results collectively suggest that ERK is involved in regulating the expression level of EsALFs induced by different dose of CpG ODN 2395 in Chinese mitten crab, which contribute to the understanding of the regulation of CpG ODN involving in immune response in crustaceans.
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Affiliation(s)
- Shu Huang
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Yuhan Ma
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Fengchi Wang
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Jiaming Li
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Zhichao Yang
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Yusheng Jiang
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Xi Chen
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Shengyang Hu
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Qilin Yi
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 11026, China.
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26
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Doolan JA, Williams GT, Hilton KLF, Chaudhari R, Fossey JS, Goult BT, Hiscock JR. Advancements in antimicrobial nanoscale materials and self-assembling systems. Chem Soc Rev 2022; 51:8696-8755. [PMID: 36190355 PMCID: PMC9575517 DOI: 10.1039/d1cs00915j] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Indexed: 11/21/2022]
Abstract
Antimicrobial resistance is directly responsible for more deaths per year than either HIV/AIDS or malaria and is predicted to incur a cumulative societal financial burden of at least $100 trillion between 2014 and 2050. Already heralded as one of the greatest threats to human health, the onset of the coronavirus pandemic has accelerated the prevalence of antimicrobial resistant bacterial infections due to factors including increased global antibiotic/antimicrobial use. Thus an urgent need for novel therapeutics to combat what some have termed the 'silent pandemic' is evident. This review acts as a repository of research and an overview of the novel therapeutic strategies being developed to overcome antimicrobial resistance, with a focus on self-assembling systems and nanoscale materials. The fundamental mechanisms of action, as well as the key advantages and disadvantages of each system are discussed, and attention is drawn to key examples within each field. As a result, this review provides a guide to the further design and development of antimicrobial systems, and outlines the interdisciplinary techniques required to translate this fundamental research towards the clinic.
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Affiliation(s)
- Jack A Doolan
- School of Chemistry and Forensic Science, University of Kent, Canterbury, Kent CT2 7NH, UK.
- School of Biosciences, University of Kent, Canterbury, Kent CT2 7NJ, UK.
| | - George T Williams
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
| | - Kira L F Hilton
- School of Chemistry and Forensic Science, University of Kent, Canterbury, Kent CT2 7NH, UK.
| | - Rajas Chaudhari
- School of Chemistry and Forensic Science, University of Kent, Canterbury, Kent CT2 7NH, UK.
| | - John S Fossey
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
| | - Benjamin T Goult
- School of Biosciences, University of Kent, Canterbury, Kent CT2 7NJ, UK.
| | - Jennifer R Hiscock
- School of Chemistry and Forensic Science, University of Kent, Canterbury, Kent CT2 7NH, UK.
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27
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Innate Immunity Mechanisms in Marine Multicellular Organisms. Mar Drugs 2022; 20:md20090549. [PMID: 36135738 PMCID: PMC9505182 DOI: 10.3390/md20090549] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 11/27/2022] Open
Abstract
The innate immune system provides an adequate response to stress factors and pathogens through pattern recognition receptors (PRRs), located on the surface of cell membranes and in the cytoplasm. Generally, the structures of PRRs are formed by several domains that are evolutionarily conserved, with a fairly high degree of homology in representatives of different species. The orthologs of TLRs, NLRs, RLRs and CLRs are widely represented, not only in marine chordates, but also in invertebrates. Study of the interactions of the most ancient marine multicellular organisms with microorganisms gives us an idea of the evolution of molecular mechanisms of protection against pathogens and reveals new functions of already known proteins in ensuring the body’s homeostasis. The review discusses innate immunity mechanisms of protection of marine invertebrate organisms against infections, using the examples of ancient multicellular hydroids, tunicates, echinoderms, and marine worms in the context of searching for analogies with vertebrate innate immunity. Due to the fact that mucous membranes first arose in marine invertebrates that have existed for several hundred million years, study of their innate immune system is both of fundamental importance in terms of understanding molecular mechanisms of host defense, and of practical application, including the search of new antimicrobial agents for subsequent use in medicine, veterinary and biotechnology.
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28
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Wang X, Hong X, Chen F, Wang KJ. A truncated peptide Spgillcin177–189 derived from mud crab Scylla paramamosain exerting multiple antibacterial activities. Front Cell Infect Microbiol 2022; 12:928220. [PMID: 36061863 PMCID: PMC9435603 DOI: 10.3389/fcimb.2022.928220] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 07/01/2022] [Indexed: 11/13/2022] Open
Abstract
Antimicrobial peptides (AMPs) may be the most promising substitute for antibiotics due to their effective bactericidal activity and multiple antimicrobial modes against pathogenic bacteria. In this study, a new functional gene named Spgillcin was identified in Scylla paramamosain, which encoded 216 amino acids of mature peptide. In vivo, Spgillcin was dominantly expressed in the gills of male and female crabs, offering the highest expression level among all tested organs or tissues. The expression pattern of Spgillcin was significantly altered when challenged by Staphylococcus aureus, indicating a positive immune response. In vitro, a functional truncated peptide Spgillcin177–189 derived from the amino acid sequence of Spgillcin was synthesized and showed a broad-spectrum and potent antibacterial activity against several bacterial strains, including the clinical isolates of multidrug-resistant (MDR) strains, with a range of minimum inhibitory concentrations from 1.5 to 48 μM. Spgillcin177–189 also showed rapid bactericidal kinetics for S. aureus and Pseudomonas aeruginosa but did not display any cytotoxicity to mammalian cells and maintained its antimicrobial activity in different conditions. Mechanistic studies indicated that Spgillcin177–189 was mainly involved in the disruption of cell membrane integrity where the membrane components lipoteichoic acid and lipopolysaccharide could significantly inhibit the antimicrobial activity in a dose-dependent manner. In addition, Spgillcin177–189 could change the membrane permeability and cause the accumulation of intracellular reactive oxygen species. No resistance was generated to Spgillcin177–189 when the clinical isolates of methicillin-resistant S. aureus and MDR P. aeruginosa were treated with Spgillcin177–189 and then subjected to a long term of continuous culturing for 50 days. In addition, Spgillcin177–189 exerted a strong anti-biofilm activity by inhibiting biofilm formation and was also effective at killing extracellular S. aureus in the cultural supernatant of RAW 264.7 cells. Taken together, Spgillcin177–189 has strong potential as a substitute for antibiotics in future aquaculture and medical applications.
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Affiliation(s)
- Xiaofei Wang
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Xiao Hong
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Fangyi Chen
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
- State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, College of Ocean and Earth Sciences, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
- Fujian Innovation Research Institute for Marine Biological Antimicrobial Peptide Industrial Technology, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Ke-Jian Wang
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
- State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, College of Ocean and Earth Sciences, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
- Fujian Innovation Research Institute for Marine Biological Antimicrobial Peptide Industrial Technology, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
- *Correspondence: Ke-Jian Wang,
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29
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Saucedo-Vázquez JP, Gushque F, Vispo NS, Rodriguez J, Gudiño-Gomezjurado ME, Albericio F, Tellkamp MP, Alexis F. Marine Arthropods as a Source of Antimicrobial Peptides. Mar Drugs 2022; 20:501. [PMID: 36005504 PMCID: PMC9409781 DOI: 10.3390/md20080501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/25/2022] [Accepted: 07/25/2022] [Indexed: 11/30/2022] Open
Abstract
Peptide therapeutics play a key role in the development of new medical treatments. The traditional focus on endogenous peptides has shifted from first discovering other natural sources of these molecules, to later synthesizing those with unique bioactivities. This review provides concise information concerning antimicrobial peptides derived from marine crustaceans for the development of new therapeutics. Marine arthropods do not have an adaptive immune system, and therefore, they depend on the innate immune system to eliminate pathogens. In this context, antimicrobial peptides (AMPs) with unique characteristics are a pivotal part of the defense systems of these organisms. This review covers topics such as the diversity and distribution of peptides in marine arthropods (crustacea and chelicerata), with a focus on penaeid shrimps. The following aspects are covered: the defense system; classes of AMPs; molecular characteristics of AMPs; AMP synthesis; the role of penaeidins, anti-lipopolysaccharide factors, crustins, and stylicins against microorganisms; and the use of AMPs as therapeutic drugs. This review seeks to provide a useful compilation of the most recent information regarding AMPs from marine crustaceans, and describes the future potential applications of these molecules.
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Affiliation(s)
- Juan Pablo Saucedo-Vázquez
- CATS Research Group, School of Chemical Sciences & Engineering, Yachay Tech University, Hda. San José s/n y Proyecto Yachay, Urcuquí 100119, Ecuador;
| | - Fernando Gushque
- School of Biological Sciences & Engineering, Yachay Tech University, Hda. San José s/n y Proyecto Yachay, Urcuquí 100119, Ecuador; (F.G.); (N.S.V.)
| | - Nelson Santiago Vispo
- School of Biological Sciences & Engineering, Yachay Tech University, Hda. San José s/n y Proyecto Yachay, Urcuquí 100119, Ecuador; (F.G.); (N.S.V.)
| | - Jenny Rodriguez
- Escuela Superior Politécnica del Litoral (ESPOL), Centro Nacional de Acuicultura e Investigaciones Marinas (CENAIM), Campus Gustavo Galindo Km 30.5 Vía Perimetral, Guayaquil 090211, Ecuador;
- Facultad de Ciencias de la Vida (FCV), Escuela Superior Politécnica del Litoral, ESPOL, Guayaquil 090708, Ecuador
| | - Marco Esteban Gudiño-Gomezjurado
- School of Biological Sciences & Engineering, Yachay Tech University, Hda. San José s/n y Proyecto Yachay, Urcuquí 100119, Ecuador; (F.G.); (N.S.V.)
| | - Fernando Albericio
- School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa;
- Networking Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Department of Organic Chemistry, University of Barcelona, 08028 Barcelona, Spain
- Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain
| | - Markus P. Tellkamp
- School of Biological Sciences & Engineering, Yachay Tech University, Hda. San José s/n y Proyecto Yachay, Urcuquí 100119, Ecuador; (F.G.); (N.S.V.)
| | - Frank Alexis
- Politecnico, Universidad San Francisco de Quito USFQ, Quito 170901, Ecuador
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30
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Johnstone KF, Herzberg MC. Antimicrobial peptides: Defending the mucosal epithelial barrier. FRONTIERS IN ORAL HEALTH 2022; 3:958480. [PMID: 35979535 PMCID: PMC9376388 DOI: 10.3389/froh.2022.958480] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
The recent epidemic caused by aerosolized SARS-CoV-2 virus illustrates the importance and vulnerability of the mucosal epithelial barrier against infection. Antimicrobial proteins and peptides (AMPs) are key to the epithelial barrier, providing immunity against microbes. In primitive life forms, AMPs protect the integument and the gut against pathogenic microbes. AMPs have also evolved in humans and other mammals to enhance newer, complex innate and adaptive immunity to favor the persistence of commensals over pathogenic microbes. The canonical AMPs are helictical peptides that form lethal pores in microbial membranes. In higher life forms, this type of AMP is exemplified by the defensin family of AMPs. In epithelial tissues, defensins, and calprotectin (complex of S100A8 and S100A9) have evolved to work cooperatively. The mechanisms of action differ. Unlike defensins, calprotectin sequesters essential trace metals from microbes, which inhibits growth. This review focuses on defensins and calprotectin as AMPs that appear to work cooperatively to fortify the epithelial barrier against infection. The antimicrobial spectrum is broad with overlap between the two AMPs. In mice, experimental models highlight the contribution of both AMPs to candidiasis as a fungal infection and periodontitis resulting from bacterial dysbiosis. These AMPs appear to contribute to innate immunity in humans, protecting the commensal microflora and restricting the emergence of pathobionts and pathogens. A striking example in human innate immunity is that elevated serum calprotectin protects against neonatal sepsis. Calprotectin is also remarkable because of functional differences when localized in epithelial and neutrophil cytoplasm or released into the extracellular environment. In the cytoplasm, calprotectin appears to protect against invasive pathogens. Extracellularly, calprotectin can engage pathogen-recognition receptors to activate innate immune and proinflammatory mechanisms. In inflamed epithelial and other tissue spaces, calprotectin, DNA, and histones are released from degranulated neutrophils to form insoluble antimicrobial barriers termed neutrophil extracellular traps. Hence, calprotectin and other AMPs use several strategies to provide microbial control and stimulate innate immunity.
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Affiliation(s)
| | - Mark C. Herzberg
- Department of Diagnostic and Biological Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN, United States
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31
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In pursuit of next-generation therapeutics: Antimicrobial peptides against superbugs, their sources, mechanism of action, nanotechnology-based delivery, and clinical applications. Int J Biol Macromol 2022; 218:135-156. [PMID: 35868409 DOI: 10.1016/j.ijbiomac.2022.07.103] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/13/2022] [Accepted: 07/14/2022] [Indexed: 12/12/2022]
Abstract
Antimicrobial peptides (AMPs) attracted attention as potential source of novel antimicrobials. Multi-drug resistant (MDR) infections have emerged as a global threat to public health in recent years. Furthermore, due to rapid emergence of new diseases, there is pressing need for development of efficient antimicrobials. AMPs are essential part of the innate immunity in most living organisms, acting as the primary line of defense against foreign invasions. AMPs kill a wide range of microorganisms by primarily targeting cell membranes or intracellular components through a variety of ways. AMPs can be broadly categorized based on their physico-chemical properties, structure, function, target and source of origin. The synthetic analogues produced either with suitable chemical modifications or with the use of suitable delivery systems are projected to eliminate the constraints of toxicity and poor stability commonly linked with natural AMPs. The concept of peptidomimetics is gaining ground around the world nowadays. Among the delivery systems, nanoparticles are emerging as potential delivery tools for AMPs, amplifying their utility against a variety of pathogens. In the present review, the broad classification of various AMPs, their mechanism of action (MOA), challenges associated with AMPs, current applications, and novel strategies to overcome the limitations have been discussed.
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Sansi MS, Iram D, Zanab S, Vij S, Puniya AK, Singh A, Ashutosh, Meena S. Antimicrobial bioactive peptides from goat Milk proteins: In silico prediction and analysis. J Food Biochem 2022; 46:e14311. [PMID: 35789493 DOI: 10.1111/jfbc.14311] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 05/30/2022] [Accepted: 06/07/2022] [Indexed: 01/15/2023]
Abstract
The main goal of this study was to assess the potential proteins of goat milk (i.e. α-s1-casein, α-s2-casein, β-casein, κ-casein, α-lactoglobulin and β-lactalbumin) as precursors of antimicrobial peptides (AMPs). Bioinformatics tools such as BIOPEP-UWM (enzyme action) were used for the in silico gastrointestinal digestion via a cocktail of pepsin, trypsin, and chymotrypsin A. The antimicrobial activity of peptides was predicted by using four algorithms, including Random Forest, Support Vector Machines, Artificial Neural Network and Discriminant Analysis on CAMPR3 online server, which works on Hidden Markov Models. Different online tools predicted the physiochemical properties, allergenicity, and toxicity of peptides as well. In silico gastrointestinal digestion simulation of proteins by enzymes cocktail yielded a total of 83 potential AMPs, with thirteen peptides being confident by all four algorithms. More AMPs were released from β-casein (21) than from β-lactoglobulin (16), α-s1-casein (15), α-s2-casein (12), κ-casein (11) and α-lactalbumin (9). A total of 17 peptides were cationic, and the majority of the peptides were extended AMPs. These peptides were released from α-s1-casein (SGK, IQK), α-s2-casein (SIR, AIH, TQPK), β-casein (GPVR, AVPQR, AIAR, GVPK, SQPK, PVPQK, IH, VPK), k-casein (AIPPK, QQR, IAK, TVPAK). All of the AMPs were anticipated to be non-toxic, and 54 of the 83 peptides were confirmed to be non-allergic, with the remaining 29 suspected of being allergenic and 31 to be predicted to have good water solubility. Further the molecular docking was used to evaluate the potent dihydropteroate synthase (DHPS) inhibitors. On the basis of ligand binding energy, 17 predicted AMPs were selected and then analyzed by AutoDock tools. Among the 17 AMPs, 3 AMPs were predicted as high-potent antimicrobial. Based on these findings, in silico investigations reveal that proteins of goat milk are a potential source of AMPs. These peptides can be synthesized and improved for use in the food sector. PRACTICAL APPLICATIONS: Goat milk is regarded as a high-quality milk protein source. According to this study, goat milk protein is a possible source of AMPs, and therefore, most important AMPs can be synthesized and developed for use in the food sector.
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Affiliation(s)
- Manish Singh Sansi
- Animal Biochemistry Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Daraksha Iram
- Dairy Microbiology Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Sameena Zanab
- Department of Chemistry, Chaudhary Charan Singh University, Meerut, Uttar Pradesh, India
| | - Shilpa Vij
- Dairy Microbiology Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Anil Kumar Puniya
- Dairy Microbiology Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Ajeet Singh
- Quality and Basic Sciences, Indian Institute of Wheat and Barley Research, Karnal, Haryana, India
| | - Ashutosh
- Animal Physiology Division, Dairy Research Institute, Karnal, Haryana, India
| | - Sunita Meena
- Animal Biochemistry Division, National Dairy Research Institute, Karnal, Haryana, India
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Antimicrobial peptides from freshwater invertebrate species: potential for future applications. Mol Biol Rep 2022; 49:9797-9811. [PMID: 35716292 DOI: 10.1007/s11033-022-07483-1] [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: 11/04/2021] [Revised: 04/11/2022] [Accepted: 04/14/2022] [Indexed: 10/18/2022]
Abstract
Invertebrates are a significant source of antimicrobial peptides because they lack an adaptive immune system and must rely on their innate immunity to survive in a pathogen-infested environment. Various antimicrobial peptides that represent major components of invertebrate innate immunity have been described in a number of investigations over the last few decades. In freshwater invertebrates, antimicrobial peptides have been identified in arthropods, annelids, molluscs, crustaceans, and cnidarians. Freshwater invertebrate species contain antimicrobial peptides from the families astacidin, macin, defensin, and crustin, as well as other antimicrobial peptides that do not belong to these families. They show broad spectrum activities greatly directed against bacteria and to a less extent against fungi and viruses. This review focuses on antimicrobial peptides found in freshwater invertebrates, highlighting their features, structure-activity connections, antimicrobial processes, and possible applications in the food industry, animal husbandry, aquaculture, and medicine. The methods for their synthesis, purification, and characterization, as well as the obstacles and strategies for their development and application, are also discussed.
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Parchebafi A, Tamanaee F, Ehteram H, Ahmad E, Nikzad H, Haddad Kashani H. The dual interaction of antimicrobial peptides on bacteria and cancer cells; mechanism of action and therapeutic strategies of nanostructures. Microb Cell Fact 2022; 21:118. [PMID: 35717207 PMCID: PMC9206340 DOI: 10.1186/s12934-022-01848-8] [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: 09/02/2021] [Accepted: 06/08/2022] [Indexed: 12/20/2022] Open
Abstract
Microbial infection and cancer are two leading causes of global mortality. Discovering and developing new therapeutics with better specificity having minimal side-effects and no drug resistance are of an immense need. In this regard, cationic antimicrobial peptides (AMP) with dual antimicrobial and anticancer activities are the ultimate choice. For better efficacy and improved stability, the AMPs available for treatment still required to be modified. There are several strategies in which AMPs can be enhanced through, for instance, nano-carrier application with high selectivity and specificity enables researchers to estimate the rate of drug delivery to a particular tissue. In this review we present the biology and modes of action of AMPs for both anticancer and antimicrobial activities as well as some modification strategies to improve the efficacy and selectivity of these AMPs.
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Affiliation(s)
- Atefeh Parchebafi
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Farzaneh Tamanaee
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Hassan Ehteram
- Department of Pathology, School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Ejaz Ahmad
- Department of Pathology, Michigan Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Hossein Nikzad
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamed Haddad Kashani
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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Can Karaca A, Nickerson M, Caggia C, Randazzo CL, Balange AK, Carrillo C, Gallego M, Sharifi-Rad J, Kamiloglu S, Capanoglu E. Nutritional and Functional Properties of Novel Protein Sources. FOOD REVIEWS INTERNATIONAL 2022. [DOI: 10.1080/87559129.2022.2067174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Asli Can Karaca
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Istanbul, Turkey
| | - Michael Nickerson
- Department of Food and Bioproduct Sciences, University of Saskatchewan, Saskatoon, Canada
| | - Cinzia Caggia
- Department of Agriculture, Food and Environment (Di3A), University of Catania, Catania, Italy
- ProBioEtna srl, Spin off of Univesity of Catania, Catania, Italy
| | - Cinzia L. Randazzo
- Department of Agriculture, Food and Environment (Di3A), University of Catania, Catania, Italy
- ProBioEtna srl, Spin off of Univesity of Catania, Catania, Italy
| | - Amjad K. Balange
- Technology, ICAR-Central Institute of Fisheries EducationDepartment of Post-Harvest, Mumbai, India
| | - Celia Carrillo
- Bromatología, Facultad de Ciencias, Universidad de BurgosÁrea de Nutrición y , Burgos, Spain
| | - Marta Gallego
- Departamento de Tecnología de Alimentos, Universitat Politècnica de València, Valencia, Spain
| | - Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Senem Kamiloglu
- Department of Food Engineering, Faculty of Agriculture, Bursa Uludag University, Bursa, Turkey
- Science and Technology Application and Research Center (BITUAM), Bursa Uludag University, Bursa, Turkey
| | - Esra Capanoglu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Istanbul, Turkey
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Wang WF, Xie XY, Huang Y, Li YK, Liu H, Chen XL, Wang HL. Identification of a Novel Antimicrobial Peptide From the Ancient Marine Arthropod Chinese Horseshoe Crab, Tachypleus tridentatus. Front Immunol 2022; 13:794779. [PMID: 35401525 PMCID: PMC8984021 DOI: 10.3389/fimmu.2022.794779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 02/24/2022] [Indexed: 12/02/2022] Open
Abstract
Humoral immunity is the first line of defense in the invertebrate immune system, and antimicrobial peptides play an important role in this biological process. A novel antimicrobial peptide, termed Tatritin, was identified and characterized in hemolymph of Chinese horseshoe crab, Tachypleus tridentatus, infected with Gram-negative bacteria via transcriptome analysis. Tatritin was significantly induced by bacterial infection in hemolymph and gill. The preprotein of Tatritin consists of a signal peptide (21 aa) and a mature peptide (47 aa) enriched by cysteine. The putative mature peptide was 5.6 kDa with a theoretical isoelectric point (pI) of 9.99 and showed a α-helix structure in the N-terminal and an anti-parallel β-sheet structure in the cysteine-stabilized C-terminal region. The chemically synthesized peptide of Tatritin exhibited a broad spectrum of antimicrobial activity against Gram-negative and Gram-positive bacteria and fungi. Furthermore, Tatritin may recognize and inhibit pathogenic microorganisms by directly binding to LPS, DNA, and chitin. In addition, administration of Tatritin reduced the mortality of zebrafish after bacterial infection. Due to its broad-spectrum antimicrobial activity in vivo and in vitro and the sensitivity to drug-resistant bacterial strains, Tatritin peptide can be used as a new type of drug for infection treatment or as an immune enhancer in animals.
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Affiliation(s)
- Wei-Feng Wang
- Key Lab of Freshwater Animal Breeding, Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Xiao-Yong Xie
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
| | - Yan Huang
- Key Lab of Freshwater Animal Breeding, Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Yin-Kang Li
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
| | - Hong Liu
- Key Lab of Freshwater Animal Breeding, Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Xiu-Li Chen
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning, China
| | - Huan-Ling Wang
- Key Lab of Freshwater Animal Breeding, Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan, China
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Ramazi S, Mohammadi N, Allahverdi A, Khalili E, Abdolmaleki P. A review on antimicrobial peptides databases and the computational tools. Database (Oxford) 2022; 2022:baac011. [PMID: 35305010 PMCID: PMC9216472 DOI: 10.1093/database/baac011] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 02/04/2022] [Accepted: 02/28/2022] [Indexed: 12/29/2022]
Abstract
Antimicrobial Peptides (AMPs) have been considered as potential alternatives for infection therapeutics since antibiotic resistance has been raised as a global problem. The AMPs are a group of natural peptides that play a crucial role in the immune system in various organisms AMPs have features such as a short length and efficiency against microbes. Importantly, they have represented low toxicity in mammals which makes them potential candidates for peptide-based drugs. Nevertheless, the discovery of AMPs is accompanied by several issues which are associated with labour-intensive and time-consuming wet-lab experiments. During the last decades, numerous studies have been conducted on the investigation of AMPs, either natural or synthetic type, and relevant data are recently available in many databases. Through the advancement of computational methods, a great number of AMP data are obtained from publicly accessible databanks, which are valuable resources for mining patterns to design new models for AMP prediction. However, due to the current flaws in assessing computational methods, more interrogations are warranted for accurate evaluation/analysis. Considering the diversity of AMPs and newly reported ones, an improvement in Machine Learning algorithms are crucial. In this review, we aim to provide valuable information about different types of AMPs, their mechanism of action and a landscape of current databases and computational tools as resources to collect AMPs and beneficial tools for the prediction and design of a computational model for new active AMPs.
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Affiliation(s)
- Shahin Ramazi
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran 14115-111, Iran
| | - Neda Mohammadi
- Department of Medical Biotechnology, Faculty of Allied Medical Sciences, Iran University of Medical Sciences, Hemmat Highway, Tehran 1449614535, Iran
- Institute of Pharmacology and Toxicology, University of Bonn, Biomedical Center, Venusberg Campus 1, Bonn 53127, Germany
| | - Abdollah Allahverdi
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran 14115-111, Iran
| | - Elham Khalili
- Department of Plant Biology, Faculty of Biological Sciences, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran 14115-111, Iran
| | - Parviz Abdolmaleki
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran 14115-111, Iran
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Antifouling coating based on biopolymers (PCL/ PLA) and bioactive extract from the sea cucumber Stichopus herrmanni. AMB Express 2022; 12:24. [PMID: 35220496 PMCID: PMC8882500 DOI: 10.1186/s13568-022-01364-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 02/03/2022] [Indexed: 12/02/2022] Open
Abstract
An important challenge to decrease the toxic effects of the common biocides in marine environments and to achieve suitable ecofriendly natural antifouling coatings is to find effective natural antifoulants and efficient biodegradable coatings. In this study, antifouling activities of nine bioactive extracts (non-polar to polar) from different organs of the sea cucumber Stichopus herrmanni were tested against five bacterial strains, barnacle and brine shrimp larvae. The ethyl acetate extract of the body wall showed the highest in-vitro antifouling activity including high antibacterial and anti-barnacle activities and low toxicity against the brine shrimp as non-target organism. Based on these results, 10 phr of the ethyl acetate extract from S.herrmanni was added to different coatings consisting of polycaprolactone (PCL)/polylactic acid (PLA) blends containing various compositions of PLA (0, 10, and 20 wt.%). Polyvinyl chloride panels were coated with the prepared antifouling coatings and immersed in seawater for three months. Panel coated with PCL 80% /PLA 20% containing 10 phr of the antifoulant (panel-5), showed the highest resistance against fouling settlement with fouling coverage of 41.66% (P < 0.05). In addition, the lowest fouling weight was measured in panel-5 as well (81.00 ± 9.85 g) (P < 0.05). These findings indicate the antibacterial and antifouling potential of semi-polar bioactive extracts from the S. herrmanni body wall as natural antifoulants, as well as the enhanced antifouling performance of PCL/the natural antifoulant coatings by adding PLA.
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Watson A, Agius J, Ackerly D, Beddoe T, Helbig K. The Role of Anti-Viral Effector Molecules in Mollusc Hemolymph. Biomolecules 2022; 12:345. [PMID: 35327536 PMCID: PMC8945852 DOI: 10.3390/biom12030345] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/06/2022] [Accepted: 02/21/2022] [Indexed: 02/04/2023] Open
Abstract
Molluscs are major contributors to the international and Australian aquaculture industries, however, their immune systems remain poorly understood due to limited access to draft genomes and evidence of divergences from model organisms. As invertebrates, molluscs lack adaptive immune systems or 'memory', and rely solely on innate immunity for antimicrobial defence. Hemolymph, the circulatory fluid of invertebrates, contains hemocytes which secrete effector molecules with immune regulatory functions. Interactions between mollusc effector molecules and bacterial and fungal pathogens have been well documented, however, there is limited knowledge of their roles against viruses, which cause high mortality and significant production losses in these species. Of the major effector molecules, only the direct acting protein dicer-2 and the antimicrobial peptides (AMPs) hemocyanin and myticin-C have shown antiviral activity. A better understanding of these effector molecules may allow for the manipulation of mollusc proteomes to enhance antiviral and overall antimicrobial defence to prevent future outbreaks and minimize economic outbreaks. Moreover, effector molecule research may yield the description and production of novel antimicrobial treatments for a broad host range of animal species.
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Affiliation(s)
- Angus Watson
- Department of Physiology, Anatomy, and Microbiology, La Trobe University, Melbourne, VIC 3086, Australia; (A.W.); (J.A.)
| | - Jacinta Agius
- Department of Physiology, Anatomy, and Microbiology, La Trobe University, Melbourne, VIC 3086, Australia; (A.W.); (J.A.)
| | - Danielle Ackerly
- Department of Animal, Plant and Soil Science, La Trobe University, Melbourne, VIC 3086, Australia;
| | - Travis Beddoe
- Department of Animal, Plant and Soil Science, La Trobe University, Melbourne, VIC 3086, Australia;
| | - Karla Helbig
- Department of Physiology, Anatomy, and Microbiology, La Trobe University, Melbourne, VIC 3086, Australia; (A.W.); (J.A.)
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40
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López-García G, Dublan-García O, Arizmendi-Cotero D, Gómez Oliván LM. Antioxidant and Antimicrobial Peptides Derived from Food Proteins. Molecules 2022; 27:1343. [PMID: 35209132 PMCID: PMC8878547 DOI: 10.3390/molecules27041343] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/11/2022] [Accepted: 02/13/2022] [Indexed: 12/12/2022] Open
Abstract
Recently, the demand for food proteins in the market has increased due to a rise in degenerative illnesses that are associated with the excessive production of free radicals and the unwanted side effects of various drugs, for which researchers have suggested diets rich in bioactive compounds. Some of the functional compounds present in foods are antioxidant and antimicrobial peptides, which are used to produce foods that promote health and to reduce the consumption of antibiotics. These peptides have been obtained from various sources of proteins, such as foods and agri-food by-products, via enzymatic hydrolysis and microbial fermentation. Peptides with antioxidant properties exert effective metal ion (Fe2+/Cu2+) chelating activity and lipid peroxidation inhibition, which may lead to notably beneficial effects in promoting human health and food processing. Antimicrobial peptides are small oligo-peptides generally containing from 10 to 100 amino acids, with a net positive charge and an amphipathic structure; they are the most important components of the antibacterial defense of organisms at almost all levels of life-bacteria, fungi, plants, amphibians, insects, birds and mammals-and have been suggested as natural compounds that neutralize the toxicity of reactive oxygen species generated by antibiotics and the stress generated by various exogenous sources. This review discusses what antioxidant and antimicrobial peptides are, their source, production, some bioinformatics tools used for their obtainment, emerging technologies, and health benefits.
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Affiliation(s)
- Guadalupe López-García
- Food and Environmental Toxicology Laboratory, Chemistry Faculty, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan s/n. Col. Residencial Colón, Toluca 50120, Mexico; (G.L.-G.); (L.M.G.O.)
| | - Octavio Dublan-García
- Food and Environmental Toxicology Laboratory, Chemistry Faculty, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan s/n. Col. Residencial Colón, Toluca 50120, Mexico; (G.L.-G.); (L.M.G.O.)
| | - Daniel Arizmendi-Cotero
- Department of Industrial Engineering, Engineering Faculty, Campus Toluca, Universidad Tecnológica de México (UNITEC), Estado de México, Toluca 50160, Mexico;
| | - Leobardo Manuel Gómez Oliván
- Food and Environmental Toxicology Laboratory, Chemistry Faculty, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan s/n. Col. Residencial Colón, Toluca 50120, Mexico; (G.L.-G.); (L.M.G.O.)
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Zhang W, Xu X, Zhang J, Ye T, Zhou Q, Xu Y, Li W, Hu Z, Shang C. Discovery and Characterization of a New Crustin Antimicrobial Peptide from Amphibalanus amphitrite. Pharmaceutics 2022; 14:413. [PMID: 35214145 PMCID: PMC8877177 DOI: 10.3390/pharmaceutics14020413] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/05/2022] [Accepted: 02/11/2022] [Indexed: 02/01/2023] Open
Abstract
Crustins are an antimicrobial peptide (AMP) family that plays an important role in innate immunity in crustaceans. It is important to discover new AMPs from natural sources to expand the current database. Here, we identified and characterized a new crustin family member, named AaCrus1, from Amphibalanus amphitrite. AaCrus1 shares high identity (48.10%) with PvCrus, a Type I crustin of Penaeus vannamei that possesses a whey acidic protein (WAP) domain. AaCrus1 contains 237 amino acids and eight cysteine residues forming conserved 'four-disulfide core' structure. Our recombinant AaCrus1 (rAaCrus 1) could inhibit the growth of two Gram-positive bacteria (Staphylococcus aureus, Bacillus sp. T2) and four Gram-negative bacteria (Vibrio parahaemolyticus, Vibrio harveyi, Vibrio anguillarum, Vibrio alginolyticus) with a minimum inhibitory concentration of 3.5-28 μM. It can further induce agglutination of both Gram-positive and Gram-negative bacteria. rAaCrus1 can bind to bacteria and damage bacterial cell membranes. Furthermore, rAaCrus1 disrupted biofilm development of S. aureus and V. parahaemolyticus. Our discovery and characterization of this new crustin can be further optimized as a good alternative to antibiotics.
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Affiliation(s)
- Wei Zhang
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (W.Z.); (X.X.); (T.Y.); (Q.Z.); (Y.X.); (Z.H.)
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Xiaohang Xu
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (W.Z.); (X.X.); (T.Y.); (Q.Z.); (Y.X.); (Z.H.)
| | - Jun Zhang
- Institute of Systems and Physical Biology, Shenzhen Bay Laboratory, Shenzhen 518055, China;
| | - Ting Ye
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (W.Z.); (X.X.); (T.Y.); (Q.Z.); (Y.X.); (Z.H.)
| | - Qiao Zhou
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (W.Z.); (X.X.); (T.Y.); (Q.Z.); (Y.X.); (Z.H.)
| | - Ying Xu
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (W.Z.); (X.X.); (T.Y.); (Q.Z.); (Y.X.); (Z.H.)
| | - Wenyi Li
- The Bio21 Institute of Molecular Science and Biotechnology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, VIC 3010, Australia
| | - Zhangli Hu
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (W.Z.); (X.X.); (T.Y.); (Q.Z.); (Y.X.); (Z.H.)
| | - Chenjing Shang
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (W.Z.); (X.X.); (T.Y.); (Q.Z.); (Y.X.); (Z.H.)
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Akbarian M, Khani A, Eghbalpour S, Uversky VN. Bioactive Peptides: Synthesis, Sources, Applications, and Proposed Mechanisms of Action. Int J Mol Sci 2022; 23:ijms23031445. [PMID: 35163367 PMCID: PMC8836030 DOI: 10.3390/ijms23031445] [Citation(s) in RCA: 121] [Impact Index Per Article: 60.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 01/25/2022] [Accepted: 01/25/2022] [Indexed: 02/01/2023] Open
Abstract
Bioactive peptides are a group of biological molecules that are normally buried in the structure of parent proteins and become active after the cleavage of the proteins. Another group of peptides is actively produced and found in many microorganisms and the body of organisms. Today, many groups of bioactive peptides have been marketed chemically or recombinantly. This article reviews the various production methods and sources of these important/ubiquitous and useful biomolecules. Their applications, such as antimicrobial, antihypertensive, antioxidant activities, blood-lipid-lowering effect, opioid role, antiobesity, ability to bind minerals, antidiabetic, and antiaging effects, will be explored. The types of pathways proposed for bioactive applications will be in the next part of the article, and at the end, the future perspectives of bioactive peptides will be reviewed. Reading this article is recommended for researchers interested in various fields of physiology, microbiology, biochemistry, and nanotechnology and food industry professionals.
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Affiliation(s)
- Mohsen Akbarian
- Department of Chemistry, National Cheng Kung University, Tainan 701, Taiwan;
| | - Ali Khani
- Department of Radiation Sciences, Faculty of Applied Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran;
| | - Sara Eghbalpour
- Department of Obstetrics and Gynecology Surgery, Babol University of Medical Sciences, Babol 4717647745, Iran;
| | - Vladimir N. Uversky
- Department of Molecular Medicine and Health Byrd Alzheimer’s Institute, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
- Correspondence: ; Tel.: +1-(813)-974-5816
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43
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Wu R, Patocka J, Nepovimova E, Oleksak P, Valis M, Wu W, Kuca K. Marine Invertebrate Peptides: Antimicrobial Peptides. Front Microbiol 2022; 12:785085. [PMID: 34975806 PMCID: PMC8719109 DOI: 10.3389/fmicb.2021.785085] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/15/2021] [Indexed: 12/11/2022] Open
Abstract
Antimicrobial peptides are an important component of many organisms’ innate immune system, with a good inhibitory or killing effect against the invading pathogens. As a type of biological polypeptide with natural immune activities, antimicrobial peptides have a broad spectrum of antibacterial, antiviral, and antitumor activities. Nevertheless, these peptides cause no harm to the organisms themselves. Compared with traditional antibiotics, antimicrobial peptides have the advantage of not producing drug resistance and have a unique antibacterial mechanism, which has attracted widespread attention. In this study, marine invertebrates were classified into arthropods, annelids, mollusks, cnidarians, and tunicata. We then analyzed the types, sources and antimicrobial activities of the antimicrobial peptides in each group. We also reviewed the immune mechanism from three aspects: membrane-targeted direct killing effects, non-membrane targeting effects and immunomodulatory effects. Finally, we discussed their applications and the existing problems facing antimicrobial peptides in actual production. The results are expected to provide theoretical support for future research and applications of antimicrobial peptides in marine invertebrates.
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Affiliation(s)
- Ran Wu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Jiri Patocka
- Department of Radiology and Toxicology, Faculty of Health and Social Studies, University of South Bohemia in České Budějovice, České Budějovice, Czechia.,Biomedical Research Centre, University Hospital Hradec Králové, Hradec Králové, Czechia
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové, Czechia
| | - Patrik Oleksak
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové, Czechia
| | - Martin Valis
- Department of Neurology, Faculty of Medicine, University Hospital Hradec Králové, Charles University, Hradec Králové, Czechia
| | - Wenda Wu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové, Czechia
| | - Kamil Kuca
- Biomedical Research Centre, University Hospital Hradec Králové, Hradec Králové, Czechia.,Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové, Czechia
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Rauf A, Khalil AA, Khan M, Anwar S, Alamri A, Alqarni AM, Alghamdi A, Alshammari F, Rengasamy KRR, Wan C. Can be marine bioactive peptides (MBAs) lead the future of foodomics for human health? Crit Rev Food Sci Nutr 2022; 62:7072-7116. [PMID: 33840324 DOI: 10.1080/10408398.2021.1910482] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Marine organisms are considered a cache of biologically active metabolites with pharmaceutical, functional, and nutraceutical properties. Among these, marine bioactive peptides (MBAs) present in diverse marine species (fish, sponges, cyanobacteria, fungi, ascidians, seaweeds, & mollusks) have acquired attention owing to their broad-spectrum health-promoting benefits. Nowadays, scientists are keener exploring marine bioactive peptides precisely due to their unique structural and biological properties. These MBAs have reported ameliorating potential against different diseases like hypertension, diabetes, obesity, HIV, cancer, oxidation, and inflammation. Furthermore, MBAs isolated from various marine organisms may also have a beneficial role in the cosmetic, nutraceutical, and food industries. Few marine peptides and their derivative are approved for commercial use, while many MBAs are in various pre-clinical and clinical trials. This review mainly focuses on the diversity of marine bioactive peptides in marine organisms and their production procedures, such as chemical and enzymatic hydrolysis. Moreover, MBAs' therapeutic and biological potential has also been critically discussed herein, along with their status in drug discovery, pre-clinical and clinical trials.
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Affiliation(s)
- Abdur Rauf
- Department of Chemistry, University of Swabi, Anbar, Khyber Pakhtunkhwa, Pakistan
| | - Anees Ahmed Khalil
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore, Lahore, Pakistan
| | - Muneeb Khan
- Department of Human Nutrition and Dietetics, Riphah College of Rehabilitation and Allied Health Sciences, Riphah International University, Lahore, Pakistan
| | - Sirajudheen Anwar
- Department of Pharmacology and Toxicology, University of Hail, Hail, Saudi Arabia
| | - Abdulwahab Alamri
- Department of Pharmacology and Toxicology, University of Hail, Hail, Saudi Arabia
| | - Abdulmalik M Alqarni
- Department of Pharmaceutical Chemistry, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Adel Alghamdi
- Pharmaceutical Chemistry Department, Faculty of Clinical Pharmacy, Al Baha University, Al Baha, Saudi Arabia
| | - Farhan Alshammari
- Department Of Pharmaceutics, College of Pharmacy, University of Hail, Hail, Saudi Arabia
| | - Kannan R R Rengasamy
- Green Biotechnologies Research Centre of Excellence, University of Limpopo, Polokwane, Sovenga, South Africa
| | - Chunpeng Wan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits & Vegetables, College of Agronomy, Jiangxi Agricultural University, Nanchang, People's Republic of China
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Hong PP, Zhu XX, Yuan WJ, Niu GJ, Wang JX. Nitric Oxide Synthase Regulates Gut Microbiota Homeostasis by ERK-NF-κB Pathway in Shrimp. Front Immunol 2021; 12:778098. [PMID: 34925352 PMCID: PMC8678275 DOI: 10.3389/fimmu.2021.778098] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/12/2021] [Indexed: 01/09/2023] Open
Abstract
The gut microbiota is a complex group of microorganisms that is not only closely related to intestinal immunity but also affects the whole immune system of the body. Antimicrobial peptides and reactive oxygen species participate in the regulation of gut microbiota homeostasis in invertebrates. However, it is unclear whether nitric oxide, as a key mediator of immunity that plays important roles in antipathogen activity and immune regulation, participates in the regulation of gut microbiota homeostasis. In this study, we identified a nitric oxide synthase responsible for NO production in the shrimp Marsupenaeus japonicus. The expression of Nos and the NO concentration in the gastrointestinal tract were increased significantly in shrimp orally infected with Vibrio anguillarum. After RNA interference of Nos or treatment with an inhibitor of NOS, L-NMMA, NO production decreased and the gut bacterial load increased significantly in shrimp. Treatment with the NO donor, sodium nitroprusside, increased the NO level and reduced the bacterial load significantly in the shrimp gastrointestinal tract. Mechanistically, V. anguillarum infection increased NO level via upregulation of NOS and induced phosphorylation of ERK. The activated ERK phosphorylated the NF-κB-like transcription factor, dorsal, and caused nuclear translocation of dorsal to increase expression of antimicrobial peptides (AMPs) responsible for bacterial clearance. In summary, as a signaling molecule, NOS-produced NO regulates intestinal microbiota homeostasis by promoting AMP expression against infected pathogens via the ERK-dorsal pathway in shrimp.
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Affiliation(s)
- Pan-Pan Hong
- Shandong Provincial Key Laboratory of Animal Cell and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, China
| | - Xiao-Xu Zhu
- Shandong Provincial Key Laboratory of Animal Cell and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, China
| | - Wen-Jie Yuan
- Shandong Provincial Key Laboratory of Animal Cell and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, China
| | - Guo-Juan Niu
- Shandong Provincial Key Laboratory of Animal Cell and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, China
| | - Jin-Xing Wang
- Shandong Provincial Key Laboratory of Animal Cell and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, China
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Panjla A, Kaul G, Chopra S, Titz A, Verma S. Short Peptides and Their Mimetics as Potent Antibacterial Agents and Antibiotic Adjuvants. ACS Chem Biol 2021; 16:2731-2745. [PMID: 34779605 DOI: 10.1021/acschembio.1c00626] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Antimicrobial resistance (AMR) has been increasing unrelentingly worldwide, thus negatively impacting human health. The discovery and development of novel antibiotics is an urgent unmet need of the hour. However, it has become more challenging, requiring increasingly time-consuming efforts with increased commercial risks. Hence, alternative strategies are urgently needed to potentiate the existing antibiotics. In this context, short cationic peptides or peptide-based antimicrobials that mimic the activity of naturally occurring antimicrobial peptides (AMPs) could overcome the disadvantages of AMPs having evolved as potent antibacterial agents. Besides their potent antibacterial efficacy, short peptide conjugates have also gained attention as potent adjuvants to conventional antibiotics. Such peptide antibiotic combinations have become an increasingly cost-effective therapeutic option to tackle AMR. This Review summarizes the recent progress for peptide-based small molecules as promising antimicrobials and as adjuvants for conventional antibiotics to counter multidrug resistant (MDR) pathogens.
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Affiliation(s)
- Apurva Panjla
- Department of Chemistry, IIT Kanpur, Kanpur-208016, Uttar Pradesh, India
| | - Grace Kaul
- Department of Microbiology, CSIR-Central Drug Research Institute, Lucknow-226031, Uttar Pradesh, India
- AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sidharth Chopra
- Department of Microbiology, CSIR-Central Drug Research Institute, Lucknow-226031, Uttar Pradesh, India
- AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Alexander Titz
- Chemical Biology of Carbohydrates (CBCH), Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research, 66123 Saarbrücken, Germany
- Department of Chemistry, Saarland University, 66123 Saarbrücken, Germany
- Deutsches Zentrum für Infektionsforschung (DZIF), 38124, Standort Hannover-Braunschweig, Germany
| | - Sandeep Verma
- Department of Chemistry, IIT Kanpur, Kanpur-208016, Uttar Pradesh, India
- Center for Nanoscience, IIT Kanpur, Kanpur-208016, Uttar Pradesh, India
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Longo V, Parrinello D, Longo A, Parisi MG, Parrinello N, Colombo P, Cammarata M. The conservation and diversity of ascidian cells and molecules involved in the inflammatory reaction: The Ciona robusta model. FISH & SHELLFISH IMMUNOLOGY 2021; 119:384-396. [PMID: 34687879 DOI: 10.1016/j.fsi.2021.10.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 09/27/2021] [Accepted: 10/16/2021] [Indexed: 06/13/2023]
Abstract
Ascidians are marine invertebrate chordates belonging to the earliest branch (Tunicata) in the chordate phylum, therefore, they are of interest for studying the evolution of immune systems. Due to the known genome, the non-colonial Ciona robusta, previously considered to be C. intestinalis type A, is a model species for the study of inflammatory response. The internal defense of ascidians mainly relies on hemocytes circulating in the hemolymph and pharynx. Hemocytes can be in vivo challenged by LPS injection and various granulocyte and vacuolated cell populations differentiated to produce and release inflammatory factors. Molecular biology and gene expression studies revealed complex defense mechanisms involving different inflammatory hemocytes. Furthermore, cloning procedures allowed sequence analyses and molecular studies disclose immune-related gene families including TOLL-like receptors, galectins, C-type lectins, collectins, interlectins, pentraxine-like, peroxinectins, complement factors-like, TNFα-like, IL-17-like, TGF-like, MIF-like. These genes are promptly upregulated by the inflammatory stimulus and show a time course of transcription similar to each other. Domains sequence similarity and phylogenetic relationships with the vertebrate counterparts are shedding some light on immune-related gene evolution. Selective bioassays as well as bioinformatic approaches have allowed the characterization of antimicrobial peptides and the identification of post transcriptional molecular mechanisms able of influencing dynamics of gene regulation are described. In synthesis, the purpose of this article is to further explore the topic of hemocyte and molecules related to internal defence of ascidians involved in the inflammatory reaction, as well as to discuss current and future study options through a detailed literature review.
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Affiliation(s)
- Valeria Longo
- Institute for Biomedical Research and Innovation, National Research Council, Palermo, Italy
| | | | - Alessandra Longo
- Institute for Biomedical Research and Innovation, National Research Council, Palermo, Italy
| | | | - Nicolò Parrinello
- Department of Earth and Marine Science, University of Palermo, Italy
| | - Paolo Colombo
- Institute for Biomedical Research and Innovation, National Research Council, Palermo, Italy.
| | - Matteo Cammarata
- Department of Earth and Marine Science, University of Palermo, Italy
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Xue R, Han Y, Li F, Chen L, Yang D, Zhao J. Identification, antibacterial activities and action mode of two macins from manila clam Venerupis philippinarum. FISH & SHELLFISH IMMUNOLOGY 2021; 118:411-420. [PMID: 34571157 DOI: 10.1016/j.fsi.2021.09.031] [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: 07/09/2021] [Revised: 09/17/2021] [Accepted: 09/22/2021] [Indexed: 06/13/2023]
Abstract
In this study, two macins were identified from clam Venerupis philippinarum (designated as VpMacin-1 and VpMacin-2). They showed 64.71% similarity with each other. The highest mRNA expression of VpMacin-1 and VpMacin-2 was detected in gills and hepatopancreas, respectively, in non-stimulated clams, and their expression could be induced significantly in hemocytes after Vibrio anguillarum infection. Silencing of VpMacin-1 and VpMacin-2 led to 22% and 49% mortality 6 days post infection. Escherichia coli cells were killed by recombinant protein rVpMacin-1 and rVpMacin-2 within 1000 and 400 min, respectively, at a concentration of 1.0 × MIC. Compared with rVpMacin-1, rVpMacin-2 not only showed higher broad-spectrum antimicrobial activities towards Vibrio strains, but possessed stronger abilities to inhibit the formation of bacterial biofilm. Both membrane integrity and electrochemical assay indicated that rVpMacins were capable of causing bacterial membrane permeabilization, especially for rVpMacin-2. Besides, rVpMacin-1 significantly induced both phagocytic (0.1 and 1.0 × MIC, p < 0.05) and chemotactic effects (0.1 × MIC, p < 0.01) of hemocytes, while there was no significant increase for rVpMacin-2. Overall, our results suggested that VpMacin-1 and VpMacin-2 play important roles in host defense against invasive pathogens.
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Affiliation(s)
- Rui Xue
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Yantai, Shandong, 264117, PR China; Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong, 264003, PR China
| | - Yijing Han
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Yantai, Shandong, 264117, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Fan Li
- Shandong Marine Resource and Environment Research Institute, Yantai, 264006, PR China
| | - Lizhu Chen
- Shandong Marine Resource and Environment Research Institute, Yantai, 264006, PR China
| | - Dinglong Yang
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Yantai, Shandong, 264117, PR China; Center for Ocean Mega-science, Chinese Academy of Sciences, Qingdao, Shandong, 266071, PR China; Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong, 264003, PR China.
| | - Jianmin Zhao
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Yantai, Shandong, 264117, PR China; Center for Ocean Mega-science, Chinese Academy of Sciences, Qingdao, Shandong, 266071, PR China; Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong, 264003, PR China.
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Bin Hafeez A, Jiang X, Bergen PJ, Zhu Y. Antimicrobial Peptides: An Update on Classifications and Databases. Int J Mol Sci 2021; 22:11691. [PMID: 34769122 PMCID: PMC8583803 DOI: 10.3390/ijms222111691] [Citation(s) in RCA: 111] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/24/2021] [Accepted: 10/25/2021] [Indexed: 02/06/2023] Open
Abstract
Antimicrobial peptides (AMPs) are distributed across all kingdoms of life and are an indispensable component of host defenses. They consist of predominantly short cationic peptides with a wide variety of structures and targets. Given the ever-emerging resistance of various pathogens to existing antimicrobial therapies, AMPs have recently attracted extensive interest as potential therapeutic agents. As the discovery of new AMPs has increased, many databases specializing in AMPs have been developed to collect both fundamental and pharmacological information. In this review, we summarize the sources, structures, modes of action, and classifications of AMPs. Additionally, we examine current AMP databases, compare valuable computational tools used to predict antimicrobial activity and mechanisms of action, and highlight new machine learning approaches that can be employed to improve AMP activity to combat global antimicrobial resistance.
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Affiliation(s)
- Ahmer Bin Hafeez
- Centre of Biotechnology and Microbiology, University of Peshawar, Peshawar 25120, Pakistan;
| | - Xukai Jiang
- Infection and Immunity Program, Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; (X.J.); (P.J.B.)
- National Glycoengineering Research Center, Shandong University, Qingdao 266237, China
| | - Phillip J. Bergen
- Infection and Immunity Program, Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; (X.J.); (P.J.B.)
| | - Yan Zhu
- Infection and Immunity Program, Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; (X.J.); (P.J.B.)
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Chakroun I, Fedhila K, Mahdhi A, Mzoughi R, Saidane D, Esteban MÁ, Bakhrouf A. Atypical Salmonella Typhimurium persistence in the pacific oyster, Crassostrea gigas, and its effect on the variation of gene expression involved in the oyster's immune system. Microb Pathog 2021; 160:105185. [PMID: 34520817 DOI: 10.1016/j.micpath.2021.105185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 07/27/2021] [Accepted: 09/06/2021] [Indexed: 11/27/2022]
Abstract
Salmonella is one of the most important pathogens involved in food intoxication outbreaks, and in many cases, the intoxication has been linked to shellfish which is typically consumed raw. While much is understood about the interactions between Salmonella and vertebrates, much less is known about its relationships with invertebrates, which could be an overlooked and important aspect to better understand the Salmonella interaction with its diversified hosts. The aim of this study was to investigate the effect of preadaptation in seawater microcosms during 12 months on Salmonella Typhimurium by determining its survival capacity within this mollusk over a period of 30 days. The results showed that the stressed bacteria are able to survive in this mollusk at a higher concentration even after thirty days of infection compared to bacteria in the normal state. In order to minimize the effect of an experimental device for one month on the survival of Salmonella, we carried out an in vitro study to determine the number of viable Salmonella in the hemocytes of oysters. Interestingly, we evaluated the effect of the antibacterial activity of different extracts of C. gigas using the solvents (Methanol, Ethanol and acetic acid) specifically against stressed and unstressed Salmonella. Furthermore, we compared the expression of three genes in the oyster Cg-big-def1, timp and sod in response to experimental infections of this mollusk with Vibrio splendidus kb133 and S. Typhimurium LT2DT104 in normal and stressed states. These findings are very important to contribute to explaining several questions about the persistence of S. Typhimurium for a long time in C. gigas and the host's immune response to this microorganism which is considered to be non-virulent for molluscs.
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Affiliation(s)
- Ibtissem Chakroun
- Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products, Faculty of Pharmacy, University of Monastir, 5000. Tunisia.
| | - Kais Fedhila
- Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products, Faculty of Pharmacy, University of Monastir, 5000. Tunisia
| | - Abdelkarim Mahdhi
- Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products, Faculty of Pharmacy, University of Monastir, 5000. Tunisia
| | - Ridha Mzoughi
- Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products, Faculty of Pharmacy, University of Monastir, 5000. Tunisia
| | - Dalila Saidane
- Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products, Faculty of Pharmacy, University of Monastir, 5000. Tunisia
| | - Ma Ángeles Esteban
- Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100. Murcia, Spain
| | - Amina Bakhrouf
- Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products, Faculty of Pharmacy, University of Monastir, 5000. Tunisia
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