1
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Donpudsa S, Piaprad O, Tassanakajon A, Rimphanitchayakit V, Visetnan S. Characterization of a novel Type-I Crustin (carcininPm2) from black tiger shrimp Penaeus monodon. FISH & SHELLFISH IMMUNOLOGY 2024; 148:109520. [PMID: 38513915 DOI: 10.1016/j.fsi.2024.109520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 02/27/2024] [Accepted: 03/18/2024] [Indexed: 03/23/2024]
Abstract
Carcinins are type-I crustins from crustaceans and play an important role in innate immune system. In this study, type-I crustins, carcininPm1 and carcininPm2, from the hemocytes of Penaeus monodon were identified. Comparison of their amino acid sequences and the phylogenetic tree revealed that they were closely related to the other crustacean carcinin proteins, but were clustered into different groups of the carcinin proteins. The full-length amino acids of carcininPm1 and carcininPm2 were 92 and 111 residues, respectively. CarcininPm1 and carcininPm2 were expressed mainly in hemocytes and intestine compared to the other tissues. The expression of carcininPm1 and carcininPm2 were dramatically increased in early time of bacterial challenged shrimp hemocytes. In contrast, the carcininPm1 and carcininPm2 were expressed in response to late state of YHV-infected shrimp hemocytes where the copy number of virus was high. The recombinant carcininPm2 (rcarcininPm2) but not its WAP domain (rcarcininPm2_WAP) exhibited antimicrobial activity against Vibrio harveyi and Vibrio parahaemolyticus AHPND but not other bacteria tested. The rcarcininPm2 was able to prolong the survival rate of VH-treated post larval shrimp from about 102 h to 156 h. These studies indicated that the carcininPm2 possessed the potential and challenges as antibacterial in innate immunity of shrimp.
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Affiliation(s)
- Suchao Donpudsa
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Bangkok, 10110, Thailand
| | - Orawan Piaprad
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Bangkok, 10110, Thailand
| | - Anchalee Tassanakajon
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Phyathai Road, Bangkok, 10330, Thailand
| | - Vichien Rimphanitchayakit
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Phyathai Road, Bangkok, 10330, Thailand
| | - Suwattana Visetnan
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Phyathai Road, Bangkok, 10330, Thailand; Faculty of Dentistry, Bangkokthonburi University, Bangkok, 10170, Thailand.
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2
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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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3
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Martinez-Porchas M, Hernández-López J, Vargas-Albores F. Where are the Penaeids crustins? PeerJ 2023; 11:e15596. [PMID: 37489125 PMCID: PMC10363340 DOI: 10.7717/peerj.15596] [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: 03/09/2023] [Accepted: 05/29/2023] [Indexed: 07/26/2023] Open
Abstract
Crustins are antimicrobial peptides and members of the four-disulfide core (4-DSC) domain-containing proteins superfamily. To date, crustins have only been reported in crustaceans and possess a structural signature characterized by a single 4-DSC domain and one cysteine-rich region. The high-throughput sequencing technologies have produced vastly valuable genomic information that sometimes dilutes information about previously sequenced molecules. This study aimed (1) to corroborate the loss of valuable descriptive information regarding crustin identification when high throughput sequencing carries out automatic annotation processes and (2) to detect possible crustin sequences reported in Penaeids to attempt a list considering structural similarities, which allows the establishment of phylogenetic relationships based on molecular characteristics. All crustins sequences reported in Penaeids and registered in the databases were obtained. The first list was made with the proteins reported as crustin or carcinin, excluding those that did not meet the structural characteristics. Subsequently, using local alignments, sequences were sought with high similarity even if they had been reported with a different name of crustin but with a probability of being crustin. This broader list, including proteins with high structural similarity, can help establish phylogenetic relationships of shrimp genes and the evolutionary trajectory of this antimicrobial distributed exclusively among crustaceans. Results revealed that in most sequences obtained by Sanger or transcriptomics, which met the structural criteria, the identification was correctly established as crustin. Contrarily, the sequences corresponding to crustins obtained by whole genome sequencing projects were incorrectly classified or not characterized, being momentarily "buried" in the information generated. In addition, the sequences that complied with the criteria of crustin tended to be grouped into species separated by geographical regions; for example, the crustins of the inhabitant shrimp of the American coasts differ from those corresponding to the natives of the Asian coasts. Finally, the results suggest the convenience of annotations considering the previous but correct information, even if such information was generated with previous technologies.
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4
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Xu K, Wang W, Liu D, Wang C, Zhu J, Yan B, Gao H, Hu G. Characterization of a crustin-like peptide involved in shrimp immune response to bacteria and Enterocytozoon hepatopenaei (EHP) infection in Palaemon carinicauda. FISH & SHELLFISH IMMUNOLOGY 2023:108871. [PMID: 37295736 DOI: 10.1016/j.fsi.2023.108871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/12/2023] [Accepted: 03/14/2023] [Indexed: 06/12/2023]
Abstract
Crustins represent one type of antimicrobial peptides (AMPs) that are key components of the innate immune process of crustaceans. This study successfully identified a novel crustin-like peptide, EcCrustin2, in ridgetail white prawn, Palaemon carinicauda (formerly Exopalaemon carinicauda). EcCrustin2 was found to be 1082 bp in length, with a 378 bp open reading frame (ORF) encoding 125 amino acids. The deduced amino acid sequence of EcCrustin2 exhibited characteristics of crustins in crustacean, including a Cys-rich region at the N-terminus as well as a whey acidic protein domain at the C-terminus. Phylogenetic analysis revealed that the EcCrustin2 was first clustered with Type I crustins, then with other crustins. Expression of EcCrustin2 was mainly detected in immune tissues, including hemocytes, gill and stomach. The expression level of EcCrustin2 was also significantly up-regulated after being exposed to lipopolysaccharide (LPS), lipoteichoic acid (LTA), Vibrio parahaemolyticus and Staphylococcus aureus. EHP infection could also induce EcCrustin2 expression in P. carinicauda. Knockdown of EcCrustin2 with siRNA increased the mortality of V. parahaemolyticus challenged shrimp. Finally, the recombinant EcCrustin2 protein was obtained and demonstrated a wide spectrum of antibacterial activity in vitro. These results indicated that EcCrustin2 takes part in the immune response against bacteria and EHP infection.
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Affiliation(s)
- Kai Xu
- Jiangsu Key Laboratory of Marine Bioresources and Environment and Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, 22005, China
| | - Weili Wang
- Jiangsu Key Laboratory of Marine Bioresources and Environment and Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, 22005, China
| | - Dong Liu
- Jiangsu Key Laboratory of Marine Bioresources and Environment and Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, 22005, China
| | - Chao Wang
- Jiangsu Key Laboratory of Marine Bioresources and Environment and Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, 22005, China
| | - Jun Zhu
- Jiangsu Key Laboratory of Marine Bioresources and Environment and Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, 22005, China
| | - Binlun Yan
- Jiangsu Key Laboratory of Marine Bioresources and Environment and Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, 22005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang, 222005, China
| | - Huan Gao
- Jiangsu Key Laboratory of Marine Bioresources and Environment and Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, 22005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang, 222005, China
| | - Guangwei Hu
- Jiangsu Key Laboratory of Marine Bioresources and Environment and Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, 22005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang, 222005, China.
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5
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Barreto C, Matos GM, Rosa RD. On the wave of the crustin antimicrobial peptide family: From sequence diversity to function. FISH AND SHELLFISH IMMUNOLOGY REPORTS 2022; 3:100069. [DOI: 10.1016/j.fsirep.2022.100069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 10/06/2022] [Indexed: 11/07/2022] Open
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6
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Naiel MAE, Abd El-Hack ME, Patra AK. The Role of Antimicrobial Peptides (AMPs) in Aquaculture Farming. ANTIBIOTIC ALTERNATIVES IN POULTRY AND FISH FEED 2022:215-234. [DOI: 10.2174/9789815049015122010016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Antimicrobial peptides (AMPs) are the vital constituents that stimulate the
innate immune defense system against pathogens and perform several biological
activities, which provide the first defensive line against infectious diseases. Owing to
their unique structure, they can be utilized as a therapeutic strategy for infectious
diseases in fishes. Several kinds of AMPs are reported in fishes with broad-spectrum
antimicrobial properties. Besides, the bacterial cells cannot develop resistance strains
against these cationic compounds with low molecular weight. Thus, AMPs may be
considered an alternative to antibiotics to prevent or control infectious diseases in
aquaculture. It is essential to provide sufficient knowledge about the mode of action of
AMPs against fish pathogenic agents and their future applications.
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Affiliation(s)
| | | | - Amlan Kumar Patra
- West Bengal University of Animal and Fishery Sciences,Department of Animal Nutrition,Kolkata,India
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7
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Diwan AD, Harke SN, Panche AN. Application of proteomics in shrimp and shrimp aquaculture. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2022; 43:101015. [PMID: 35870418 DOI: 10.1016/j.cbd.2022.101015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/11/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Since proteins play an important role in the life of an organism, many researchers are now looking at how genes and proteins interact to form different proteins. It is anticipated that the creation of adequate tools for rapid analysis of proteins will accelerate the determination of functional aspects of these biomolecules and develop new biomarkers and therapeutic targets for the diagnosis and treatment of various diseases. Though shrimp contains high-quality marine proteins, there are reports about the heavy losses to the shrimp industry due to the poor quality of shrimp production and many times due to mass mortality also. Frequent outbreaks of diseases, water pollution, and quality of feed are some of the most recognized reasons for such losses. In the seafood export market, shrimp occupies the top position in currency earnings and strengthens the economy of many developing nations. Therefore, it is vital for shrimp-producing companies they produce healthy shrimp with high-quality protein. Though aquaculture is a very competitive market, global awareness regarding the use of scientific knowledge and emerging technologies to obtain better-farmed organisms through sustainable production has enhanced the importance of proteomics in seafood biology research. Proteomics, as a powerful tool, has therefore been increasingly used to address several issues in shrimp aquaculture. In the present paper, efforts have been made to address some of them, particularly the role of proteomics in reproduction, breeding and spawning, immunological responses and disease resistance capacity, nutrition and health, microbiome and probiotics, quality and safety of shrimp production, bioinformatics applications in proteomics, the discovery of protein biomarkers, and mitigating biotic and abiotic stresses. Future challenges and research directions on proteomics in shrimp aquaculture have also been discussed.
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Affiliation(s)
- A D Diwan
- MGM Institute of Biosciences and Technology, Mahatma Gandhi Mission University N-6, CIDCO, Aurangabad-431003, Maharashtra, India.
| | - S N Harke
- MGM Institute of Biosciences and Technology, Mahatma Gandhi Mission University N-6, CIDCO, Aurangabad-431003, Maharashtra, India.
| | - Archana N Panche
- Novo Nordisk Centre for Biosustainability, Technical University of Denmark, B220 Kemitorvet, 2800 Kgs, Lyngby, Denmark.
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8
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Marine Arthropods as a Source of Antimicrobial Peptides. Mar Drugs 2022; 20:md20080501. [PMID: 36005504 PMCID: PMC9409781 DOI: 10.3390/md20080501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 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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9
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Söderhäll I, Fasterius E, Ekblom C, Söderhäll K. Characterization of hemocytes and hematopoietic cells of a freshwater crayfish based on single-cell transcriptome analysis. iScience 2022; 25:104850. [PMID: 35996577 PMCID: PMC9391574 DOI: 10.1016/j.isci.2022.104850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/30/2022] [Accepted: 07/22/2022] [Indexed: 11/29/2022] Open
Abstract
Crustaceans constitute a species-rich and ecologically important animal group, and their circulating blood cells (hemocytes) are of critical importance in immunity as key players in pathogen recognition, phagocytosis, melanization, and antimicrobial defense. To gain a better understanding of the immune responses to different pathogens, it is crucial that we identify different hemocyte subpopulations with different functions and gain a better understanding of how these cells are formed. Here, we performed single-cell RNA sequencing of isolated hematopoietic tissue (HPT) cells and hemocytes from the crayfish Pacifastacus leniusculus to identify hitherto undescribed hemocyte types in the circulation and show that the circulating cells are more diversified than previously recognized. In addition, we discovered cell populations in the HPT with clear precursor characteristics as well as cells involved in iron homeostasis, representing a previously undiscovered cell type. These findings may improve our understanding of hematopoietic stem cell regulation in crustaceans and other animals. Single-cell RNA sequencing of hematopoietic cell types reveals new cell types One cell type contains iron homeostasis-associated transcripts Hemocytes and hematopoietic cells differ in their transcript profiles Prophenoloxidase is only expressed in hemocytes
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Affiliation(s)
- Irene Söderhäll
- Department of Organismal Biology, Uppsala University, Norbyvägen 18 A, SE752 36 Uppsala, Sweden
- Corresponding author
| | - Erik Fasterius
- National Bioinformatics Infrastructure Sweden, Science for Life Laboratory, Stockholm University, Tomtebodavägen 23, SE171 65 Solna, Sweden
| | - Charlotta Ekblom
- Department of Organismal Biology, Uppsala University, Norbyvägen 18 A, SE752 36 Uppsala, Sweden
| | - Kenneth Söderhäll
- Department of Organismal Biology, Uppsala University, Norbyvägen 18 A, SE752 36 Uppsala, Sweden
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10
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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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11
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Jin Q, Peng D, Zheng Z. Advances in extracting and understanding the bioactivities of marine organism peptides: A review. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.15602] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Qing‐Hao Jin
- Donghai Science and Technology College Zhejiang Ocean University Zhoushan P.R. China
| | - Ding‐Xin Peng
- Food and Pharmacy College Zhejiang Ocean University Zhoushan P.R. China
| | - Zhou‐Jun Zheng
- Donghai Science and Technology College Zhejiang Ocean University Zhoushan P.R. China
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12
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Yang H, Ji T, Xiong H, Zhang Y, Wei W, Liu Q. Transcriptome profiles of red swamp crayfish Procambarus clarkii hematopoietic tissue in response to WSSV challenge. FISH & SHELLFISH IMMUNOLOGY 2022; 122:146-152. [PMID: 35124203 DOI: 10.1016/j.fsi.2022.01.041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 01/27/2022] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
The crayfish Procambarus clarkii could achieve a high cumulative mortality after WSSV infections. To better understand the immune response to WSSV in hematopoietic tissue, the present study investigated the immunological response of P. clarkii and analyzed the expression of some hematopoietic cytokines. After assembly, there was an average of 47,712,411 clean reads were obtained in control and treatment groups. A total of 35,945 unigenes were discovered with N50 length of 1554 bp. Under functional classification, enrichment, and pathway analysis using different database, there were about 257 differentially expressed genes (DEGs) identified, of which 139 were up-regulated and 118 were down-regulated. The GO function analysis of these DEGs were mostly participated in activation of immune response, complement activation, complement binding, negative regulation of humoral immune response and secretory granule membrane. Under KEGG analysis, these DEGs were involved in ECM-receptor interaction, HIF-1 signaling pathway, Glycolysis/Gluconeogenesis, Thyroid hormone signaling pathway and Glucagon signaling pathway. The real-time quantitative PCR (RT-qPCR) analysis of 9 selected genes confirmed the reliability of RNA-Seq results. The present research provide for the first time the transcriptomic profile of P. clarkii hematopoietic tissue in response to WSSV infection and reveals the astakines may play important roles in antiviral immune response. The results of the present study will further enrich the theoretical basis of the crayfish immune system and provide new ideas for disease prevention and control.
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Affiliation(s)
- Hui Yang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
| | - Tongwei Ji
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Haoran Xiong
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Yingying Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Wenzhi Wei
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Qiuning Liu
- Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetland, Yancheng Teachers University, Yancheng, 224007, China.
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13
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Jiang HS, Lv LX, Wang JX. Anti-lipopolysaccharide factor D from kuruma shrimp exhibits antiviral activity. MARINE LIFE SCIENCE & TECHNOLOGY 2022; 4:52-61. [PMID: 37073360 PMCID: PMC10077183 DOI: 10.1007/s42995-021-00113-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Accepted: 06/17/2021] [Indexed: 05/03/2023]
Abstract
Anti-lipopolysaccharide factors (ALFs) exhibit a potent antimicrobial activity against a broad range of bacteria, filamentous fungi, and viruses. In previous reports, seven groups of ALFs (groups A-G) were identified in penaeid shrimp. Among them, group D showed negative net charges and weak antimicrobial activity. Whether this group has antiviral function is not clear. In this study, the ALF sequences of penaeid shrimp were analyzed, and eight groups of ALF family (groups A-H) were identified. The four ALFs including MjALF-C2, MjALF-D1, MjALF-D2, and MjALF-E2 from kuruma shrimp Marsupenaeus japonicus were expressed recombinantly in Escherichia coli, and the antiviral activity was screened via injection of purified recombinant ALFs into shrimp following white spot syndrome virus (WSSV) infection. Results showed that the expression of Vp28 (WSSV envelope protein) decreased significantly in the MjALF-D2-injected shrimp only. Therefore, MjALF-D2 was chosen for further study. Expression pattern analysis showed that MjAlf-D2 was upregulated in shrimp challenged by WSSV. The WSSV replication was detected in RNA, genomic DNA, and protein levels using VP28 and Ie1 (immediate-early gene of WSSV) as indicators in MjALF-D2-injected shrimp following WSSV infection. Results showed that WSSV replication was significantly inhibited compared with that in the rTRX- or PBS-injected control groups. After knockdown of MjAlf-D2 in shrimp by RNA interference, the WSSV replication increased significantly in the shrimp. All these results suggested that MjALF-D2 has an antiviral function in shrimp immunity, and the recombinant ALF-D2 has a potential application for viral disease control in shrimp aquaculture.
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Affiliation(s)
- Hai-Shan Jiang
- Shandong Provincial Key Laboratory of Animal Cell and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, 266237 China
| | - Li-Xia Lv
- Shandong Provincial Key Laboratory of Animal Cell and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, 266237 China
| | - Jin-Xing Wang
- Shandong Provincial Key Laboratory of Animal Cell and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, 266237 China
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14
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Punginelli D, Schillaci D, Mauro M, Deidun A, Barone G, Arizza V, Vazzana M. The potential of antimicrobial peptides isolated from freshwater crayfish species in new drug development: A review. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2022; 126:104258. [PMID: 34530039 DOI: 10.1016/j.dci.2021.104258] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 09/10/2021] [Accepted: 09/12/2021] [Indexed: 06/13/2023]
Abstract
The much-publicised increased resistance of pathogenic bacteria to conventional antibiotics has focused research effort on the characterization of new antimicrobial drugs. In this context, antimicrobial peptides (AMPs) extracted from animals are considered a promising alternative to conventional antibiotics. In recent years, freshwater crayfish species have emerged as an important source of bioactive compounds. In fact, these invertebrates rely on an innate immune system based on cellular responses and on the production of important effectors in the haemolymph, such as AMPs, which are produced and stored in granules in haemocytes and released after stimulation. These effectors are active against both Gram-positive and Gram-negative bacteria. In this review, we summarise the recent progress on AMPs isolated from the several species of freshwater crayfish and their prospects for future pharmaceutical applications to combat infectious agents.
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Affiliation(s)
- Diletta Punginelli
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi, 18, 90123, Palermo, Italy
| | - Domenico Schillaci
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi, 18, 90123, Palermo, Italy
| | - Manuela Mauro
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi, 18, 90123, Palermo, Italy
| | - Alan Deidun
- Department of Geosciences, Faculty of Science, University of Malta, Msida MSD, 2080, Malta
| | - Giampaolo Barone
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi, 18, 90123, Palermo, Italy
| | - Vincenzo Arizza
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi, 18, 90123, Palermo, Italy
| | - Mirella Vazzana
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi, 18, 90123, Palermo, Italy.
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15
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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: 87] [Impact Index Per Article: 29.0] [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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16
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Characteristics of Two Crustins from Alvinocaris longirostris in Hydrothermal Vents. Mar Drugs 2021; 19:md19110600. [PMID: 34822471 PMCID: PMC8626000 DOI: 10.3390/md19110600] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/16/2021] [Accepted: 10/18/2021] [Indexed: 11/17/2022] Open
Abstract
Crustins are widely distributed among different crustacean groups. They are characterized by a whey acidic protein (WAP) domain, and most examined Crustins show activity against Gram-positive bacteria. This study reports two Crustins, Al-crus 3 and Al-crus 7, from hydrothermal vent shrimp, Alvinocaris longirostris. Al-crus 3 and Al-crus 7 belong to Crustin Type IIa, with a similarity of about 51% at amino acid level. Antibacterial assays showed that Al-crus 3 mainly displayed activity against Gram-positive bacteria with MIC50 values of 10–25 μM. However, Al-crus 7 not only displayed activity against Gram-positive bacteria but also against Gram-negative bacteria Imipenem-resistant Acinetobacter baumannii, in a sensitive manner. Notably, in the effective antibacterial spectrum, Methicillin-sensitive Staphylococcus aureus, Escherichia coli (ESBLs) and Imipenem-resistant A. baumannii were drug-resistant pathogens. Narrowing down the sequence to the WAP domain, Al-crusWAP 3 and Al-crusWAP 7 demonstrated antibacterial activities but were weak. Additionally, the effects on bacteria did not significantly change after they were maintained at room temperature for 48 h. This indicated that Al-crus 3 and Al-crus 7 were relatively stable and convenient for transportation. Altogether, this study reported two new Crustins with specific characteristics. In particular, Al-crus 7 inhibited Gram-negative imipenem-resistant A. baumannii.
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17
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Mandujano-Tinoco EA, Sultan E, Ottolenghi A, Gershoni-Yahalom O, Rosental B. Evolution of Cellular Immunity Effector Cells; Perspective on Cytotoxic and Phagocytic Cellular Lineages. Cells 2021; 10:1853. [PMID: 34440622 PMCID: PMC8394812 DOI: 10.3390/cells10081853] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 07/19/2021] [Accepted: 07/20/2021] [Indexed: 12/14/2022] Open
Abstract
The immune system has evolved to protect organisms from infections caused by bacteria, viruses, and parasitic pathogens. In addition, it provides regenerative capacities, tissue maintenance, and self/non-self recognition of foreign tissues. Phagocytosis and cytotoxicity are two prominent cellular immune activities positioned at the base of immune effector function in mammals. Although these immune mechanisms have diversified into a wide heterogeneous repertoire of effector cells, it appears that they share some common cellular and molecular features in all animals, but also some interesting convergent mechanisms. In this review, we will explore the current knowledge about the evolution of phagocytic and cytotoxic immune lineages against pathogens, in the clearance of damaged cells, for regeneration, for histocompatibility recognition, and in killing virally infected cells. To this end, we give different immune examples of multicellular organism models, ranging from the roots of bilateral organisms to chordate invertebrates, comparing to vertebrates' lineages. In this review, we compare cellular lineage homologies at the cellular and molecular levels. We aim to highlight and discuss the diverse function plasticity within the evolved immune effector cells, and even suggest the costs and benefits that it may imply for organisms with the meaning of greater defense against pathogens but less ability to regenerate damaged tissues and organs.
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Affiliation(s)
- Edna Ayerim Mandujano-Tinoco
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, and Regenerative Medicine and Stem Cell Research Center, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel; (E.S.); (A.O.); (O.G.-Y.)
- Laboratory of Connective Tissue, Centro Nacional de Investigación y Atención de Quemados, Instituto Nacional de Rehabilitación “Luis Guillermo Ibarra Ibarra”, Calzada Mexico-Xochimilco No. 289, Col. Arenal de Guadalupe, Tlalpan, Mexico City 14389, Mexico
| | - Eliya Sultan
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, and Regenerative Medicine and Stem Cell Research Center, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel; (E.S.); (A.O.); (O.G.-Y.)
| | - Aner Ottolenghi
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, and Regenerative Medicine and Stem Cell Research Center, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel; (E.S.); (A.O.); (O.G.-Y.)
| | - Orly Gershoni-Yahalom
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, and Regenerative Medicine and Stem Cell Research Center, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel; (E.S.); (A.O.); (O.G.-Y.)
| | - Benyamin Rosental
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, and Regenerative Medicine and Stem Cell Research Center, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel; (E.S.); (A.O.); (O.G.-Y.)
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18
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Ekblom C, Söderhäll K, Söderhäll I. Early Changes in Crayfish Hemocyte Proteins after Injection with a β-1,3-glucan, Compared to Saline Injected and Naive Animals. Int J Mol Sci 2021; 22:6464. [PMID: 34208769 PMCID: PMC8234337 DOI: 10.3390/ijms22126464] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/12/2021] [Accepted: 06/13/2021] [Indexed: 12/29/2022] Open
Abstract
Early changes in hemocyte proteins in freshwater crayfish Pacifastacus leniusculus, in response to an injection with the fungal pattern recognition protein β-1,3-glucan (laminarin) were investigated, as well as changes after saline (vehicle) injection and in naïve animals. Injection of saline resulted in rapid recruitment of granular hemocytes from surrounding tissues, whereas laminarin injection on the other hand induced an initial dramatic drop of hemocytes. At six hours after injection, the hemocyte populations therefore were of different composition. The results show that mature granular hemocytes increase in number after saline injection as indicated by the high abundance of proteins present in granular cell vesicles, such as a vitelline membrane outer layer protein 1 homolog, mannose-binding lectin, masquerade, crustin 1 and serine protease homolog 1. After injection with the β-1,3-glucan, only three proteins were enhanced in expression, in comparison with saline-injected animals and uninjected controls. All of them may be associated with immune responses, such as a new and previously undescribed Kazal proteinase inhibitor. One interesting observation was that the clotting protein was increased dramatically in most of the animals injected with laminarin. The number of significantly affected proteins was very few after a laminarin injection when compared to uninjected and saline-injected crayfish. This finding may demonstrate some problematic issues with gene and protein expression studies from other crustaceans receiving injections with pathogens or pattern recognition proteins. If no uninjected controls are included and no information about hemocyte count (total or differential) is given, expressions data for proteins or mRNAs are very difficult to properly interpret.
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Affiliation(s)
- Charlotta Ekblom
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18 A, SE752 36 Uppsala, Sweden;
| | - Kenneth Söderhäll
- Department of Comparative Physiology, Science for Life Laboratory, Uppsala University, Norbyvägen 18 A, SE752 36 Uppsala, Sweden;
| | - Irene Söderhäll
- Department of Comparative Physiology, Science for Life Laboratory, Uppsala University, Norbyvägen 18 A, SE752 36 Uppsala, Sweden;
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19
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Bouallegui Y. A Comprehensive Review on Crustaceans' Immune System With a Focus on Freshwater Crayfish in Relation to Crayfish Plague Disease. Front Immunol 2021; 12:667787. [PMID: 34054837 PMCID: PMC8155518 DOI: 10.3389/fimmu.2021.667787] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 04/27/2021] [Indexed: 12/21/2022] Open
Abstract
Freshwater crayfish immunity has received great attention due to the need for urgent conservation. This concern has increased the understanding of the cellular and humoral defense systems, although the regulatory mechanisms involved in these processes need updating. There are, however, aspects of the immune response that require clarification and integration. The particular issues addressed in this review include an overall description of the oomycete Aphanomyces astaci, the causative agent of the pandemic plague disease, which affects freshwater crayfish, and an overview of crustaceans' immunity with a focus on freshwater crayfish. It includes a classification system of hemocyte sub-types, the molecular factors involved in hematopoiesis and the differential role of the hemocyte subpopulations in cell-mediated responses, including hemocyte infiltration, inflammation, encapsulation and the link with the extracellular trap cell death pathway (ETosis). In addition, other topics discussed include the identity and functions of hyaline cells, the generation of neoplasia, and the emerging topic of the role of sessile hemocytes in peripheral immunity. Finally, attention is paid to the molecular execution of the immune response, from recognition by the pattern recognition receptors (PRRs), the role of the signaling network in propagating and maintaining the immune signals, to the effector elements such as the putative function of the Down syndrome adhesion molecules (Dscam) in innate immune memory.
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Affiliation(s)
- Younes Bouallegui
- LR01ES14 Laboratory of Environmental Biomonitoring, Faculty of Sciences of Bizerte, University of Carthage, Bizerte, Tunisia
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20
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Pudgerd A, Kruangkum T, Sritunyalucksana K, Vanichviriyakit R, Imsonpang S, Chotwiwatthanakun C. Immunopathogenesis of hematopoietic tissues in response to Vibrio parahaemolyticus (VP AHPND) infection in Macrobrachium rosenbergii. FISH & SHELLFISH IMMUNOLOGY 2021; 110:10-22. [PMID: 33383176 DOI: 10.1016/j.fsi.2020.12.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 11/14/2020] [Accepted: 12/23/2020] [Indexed: 06/12/2023]
Abstract
In crustacean, hemocytes are known as crucial components of crustaceans' innate immunity against pathogens. Drastic hemocytes reduction during infectious disease is apparently related to disease severity and calls for a health status evaluation and aquaculture management. The molecular pathogenesis of hemocytes loss during bacterial infection was elucidated with VPAHPND challenged in M. rosenbergii. We report herein a correlation between hemocyte loss and the pathogenicity and aggressive immune response in hematopoietic tissues of moribund M. rosenbergii. In this study, adult freshwater prawn was administered an LC50 dose of VPAHPND; bacterial clearance ensued, and success was reached within 24 h. Hemocytes increased in survival, yet drastically decreased in moribund prawn. Pathological analysis of hematopoietic tissue of moribund prawn showed apparent abnormal signs, including the presence of bacteria, a small number of mitotic cells, cellular swelling, loosening of connective tissue, and karyorrhectic nuclei cells. A significant upregulation of a core apoptotic machinery gene, caspase-3, was detected in hematopoietic tissue of moribund shrimp, but not in those of Escherichia coli DH5α (non-pathogenic bacteria) and VPAHPND survival prawn. The highest level was found in the moribund group, which confirms the occurrence of apoptosis in this hematopoietic tissue. Further, our results suggest that hematopoietic tissue damage may arise from inflammation triggered by an aggressive immune response. Immune activation was indicated by the comparison of immune-related gene expression between controls, E. coli (DH5α)-infected (non-pathogenic), and VPAHPND-infected survival groups with moribund prawn. RT-PCR revealed a significant upregulation of all genes in hematopoietic tissues and hemocytes within 6-12 h and declined by 24 h. This evident related to the almost VPAHPND are clearance in survival and E. coli (DH5α) challenged group in contrast with drastic high expression was determined in moribund group. We conclude that a reduction of renewing circulating hemocytes in fatally VPAHPND-infected prawn was caused by an acute self-destructive immune response by hematopoietic cells.
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Affiliation(s)
- Arnon Pudgerd
- Division of Anatomy, School of Medical Sciences, University of Phayao, Maeka, Muang, Phayao, 56000, Thailand; Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand
| | - Thanapong Kruangkum
- Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand; Department of Anatomy, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand
| | - Kallaya Sritunyalucksana
- Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand; Shrimp-pathogen interaction (SPI) Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Yothi Office, Rama VI Rd., Bangkok, 10400, Thailand
| | - Rapeepun Vanichviriyakit
- Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand; Department of Anatomy, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand
| | - Supapong Imsonpang
- Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand; Department of Anatomy, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand
| | - Charoonroj Chotwiwatthanakun
- Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand; Mahidol University, Nakhonsawan Campus, Nakhonsawan, 60130, Thailand.
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21
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Foysal MJ, Fotedar R, Siddik MAB, Chaklader MR, Tay A. Lactobacillus plantarum in black soldier fly (Hermetica illucens) meal modulates gut health and immunity of freshwater crayfish (Cherax cainii). FISH & SHELLFISH IMMUNOLOGY 2021; 108:42-52. [PMID: 33232807 DOI: 10.1016/j.fsi.2020.11.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/12/2020] [Accepted: 11/18/2020] [Indexed: 06/11/2023]
Abstract
Probiotic supplements are being used to improve the growth and immune performance of aquaculture species over the last couple of decades. In recent times, black soldier fly (BSF) is considered as one of the promising sources of alternative protein to fishmeal protein in aqua-diets. Since the freshwater crayfish, marron (Cherax cainii), a Western Australian's native and iconic freshwater crayfish species, grows fairly slow under commercial farming environment, this study was aimed to investigate the supplemental effect of BSF and BSF with probiotic bacteria Lactobacillus plantarum (BSFLP) on overall health and immune performance of marron after 56 days of feeding under laboratory conditions. The post-trial data revealed insignificant influences of any diets on growth performance, however, both BSF and BSFLP based diets significantly improved some haemolymph parameters and gut health of marron. High throughput sequence data revealed that both BSF and BSFLP diets significantly improved the diversity of microbial communities including some beneficial bacteria for crustaceans in the hindgut of marron. Further analysis showed that both BSF and BSFLP diets upregulated the expression of some genes in the gut tissue and haemocytes associated with the innate immune response of marron at 48 h post injection. The up-regulation of some immune genes in BSFLP diet group was found significantly linked to OTU abundance for Lactobacillus. The findings of this study could be helpful for improving overall health status of marron.
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Affiliation(s)
- Md Javed Foysal
- School of Molecular and Life Sciences, Curtin University, Bentley, WA, Australia; Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology, Sylhet, Bangladesh.
| | - Ravi Fotedar
- School of Molecular and Life Sciences, Curtin University, Bentley, WA, Australia
| | - Muhammad A B Siddik
- Department of Fisheries Biology and Genetics, Patuakhali Science and Technology University, Patuakhali, Bangladesh
| | - Md Reaz Chaklader
- School of Molecular and Life Sciences, Curtin University, Bentley, WA, Australia
| | - Alfred Tay
- Helicobacter Research Laboratory, Marshall Centre for Infectious Disease Research and Training, School of Biomedical Sciences, University of Western Australia, Perth, WA, Australia
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22
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Welch NG, Li W, Hossain MA, Separovic F, O'Brien-Simpson NM, Wade JD. (Re)Defining the Proline-Rich Antimicrobial Peptide Family and the Identification of Putative New Members. Front Chem 2020; 8:607769. [PMID: 33335890 PMCID: PMC7736402 DOI: 10.3389/fchem.2020.607769] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 11/11/2020] [Indexed: 01/10/2023] Open
Abstract
As we rapidly approach a post-antibiotic era in which multi-drug resistant bacteria are ever-pervasive, antimicrobial peptides (AMPs) represent a promising class of compounds to help address this global issue. AMPs are best-known for their membrane-disruptive mode of action leading to bacteria cell lysis and death. However, many AMPs are also known to be non-lytic and have intracellular modes of action. Proline-rich AMPs (PrAMPs) are one such class, that are generally membrane permeable and inhibit protein synthesis leading to a bactericidal outcome. PrAMPs are highly effective against Gram-negative bacteria and yet show very low toxicity against eukaryotic cells. Here, we review both the PrAMP family and the past and current definitions for this class of peptides. Computational analysis of known AMPs within the DRAMP database (http://dramp.cpu-bioinfor.org/) and assessment of their PrAMP-like properties have led us to develop a revised definition of the PrAMP class. As a result, we subsequently identified a number of unknown and unclassified peptides containing motifs of striking similarity to known PrAMP-based DnaK inhibitors and propose a series of new sequences for experimental evaluation and subsequent addition to the PrAMP family.
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Affiliation(s)
- Nicholas G Welch
- The Florey Institute of Neuroscience and Mental Health, University of Melbourne, Melbourne, VIC, Australia.,School of Chemistry, University of Melbourne, Melbourne, VIC, Australia
| | - Wenyi Li
- Centre for Oral Health Research, Melbourne Dental School, University of Melbourne, Melbourne, VIC, Australia.,Bio21 Institute, University of Melbourne, Melbourne, VIC, Australia
| | - Mohammed Akhter Hossain
- The Florey Institute of Neuroscience and Mental Health, University of Melbourne, Melbourne, VIC, Australia.,School of Chemistry, University of Melbourne, Melbourne, VIC, Australia
| | - Frances Separovic
- School of Chemistry, University of Melbourne, Melbourne, VIC, Australia.,Bio21 Institute, University of Melbourne, Melbourne, VIC, Australia
| | - Neil M O'Brien-Simpson
- Centre for Oral Health Research, Melbourne Dental School, University of Melbourne, Melbourne, VIC, Australia.,Bio21 Institute, University of Melbourne, Melbourne, VIC, Australia
| | - John D Wade
- The Florey Institute of Neuroscience and Mental Health, University of Melbourne, Melbourne, VIC, Australia.,School of Chemistry, University of Melbourne, Melbourne, VIC, Australia
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23
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24
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Le Bloa S, Boidin-Wichlacz C, Cueff-Gauchard V, Rosa RD, Cuvillier-Hot V, Durand L, Methou P, Pradillon F, Cambon-Bonavita MA, Tasiemski A. Antimicrobial Peptides and Ectosymbiotic Relationships: Involvement of a Novel Type IIa Crustin in the Life Cycle of a Deep-Sea Vent Shrimp. Front Immunol 2020; 11:1511. [PMID: 32765521 PMCID: PMC7381244 DOI: 10.3389/fimmu.2020.01511] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 06/09/2020] [Indexed: 01/04/2023] Open
Abstract
The symbiotic shrimp Rimicaris exoculata dominates the macrofauna inhabiting the active smokers of the deep-sea mid Atlantic ridge vent fields. We investigated the nature of the host mechanisms controlling the vital and highly specialized ectosymbiotic community confined into its cephalothoracic cavity. R. exoculata belongs to the Pleocyemata, crustacean brooding eggs, usually producing Type I crustins. Unexpectedly, a novel anti-Gram-positive type II crustin was molecularly identified in R. exoculata. Re-crustin is mainly produced by the appendages and the inner surfaces of the cephalothoracic cavity, embedding target epibionts. Symbiosis acquisition and regulating mechanisms are still poorly understood. Yet, symbiotic communities were identified at different steps of the life cycle such as brooding stage, juvenile recruitment and molt cycle, all of which may be crucial for symbiotic acquisition and control. Here, we show a spatio-temporal correlation between the production of Re-crustin and the main ectosymbiosis-related life-cycle events. Overall, our results highlight (i) a novel and unusual AMP sequence from an extremophile organism and (ii) the potential role of AMPs in the establishment of vital ectosymbiosis along the life cycle of deep-sea invertebrates.
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Affiliation(s)
- Simon Le Bloa
- Ifremer, Univ. Brest, CNRS, Laboratoire de Microbiologie des Environnements Extrêmes (LM2E), Plouzané, France
| | - Céline Boidin-Wichlacz
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 – UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France
- Univ. Lille, CNRS, UMR 8198 - Evo-Eco-Paleo, Lille, France
| | - Valérie Cueff-Gauchard
- Ifremer, Univ. Brest, CNRS, Laboratoire de Microbiologie des Environnements Extrêmes (LM2E), Plouzané, France
| | - Rafael Diego Rosa
- Laboratory of Immunology Applied to Aquaculture, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, Florianópolis, Brazil
| | | | - Lucile Durand
- Ifremer, Univ. Brest, CNRS, Laboratoire de Microbiologie des Environnements Extrêmes (LM2E), Plouzané, France
| | - Pierre Methou
- Ifremer, Univ. Brest, CNRS, Laboratoire de Microbiologie des Environnements Extrêmes (LM2E), Plouzané, France
- Ifremer, Laboratoire Environnement Profond (REM/EEP/LEP), Plouzané, France
| | - Florence Pradillon
- Ifremer, Laboratoire Environnement Profond (REM/EEP/LEP), Plouzané, France
| | - Marie-Anne Cambon-Bonavita
- Ifremer, Univ. Brest, CNRS, Laboratoire de Microbiologie des Environnements Extrêmes (LM2E), Plouzané, France
| | - Aurélie Tasiemski
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 – UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France
- Univ. Lille, CNRS, UMR 8198 - Evo-Eco-Paleo, Lille, France
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25
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Li S, Lv X, Yu Y, Zhang X, Li F. Molecular and Functional Diversity of Crustin-Like Genes in the Shrimp Litopenaeus vannamei. Mar Drugs 2020; 18:E361. [PMID: 32668696 PMCID: PMC7401287 DOI: 10.3390/md18070361] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 06/29/2020] [Accepted: 07/08/2020] [Indexed: 12/29/2022] Open
Abstract
Crustins are crustacean cationic cysteine-rich antimicrobial peptides that contain one or two whey acidic protein (WAP) domain(s) at the carboxyl terminus and mainly show antimicrobial and/or proteinase inhibitory activities. Here, we performed genome and transcriptome screening and identified 34 full-length crustin-like encoding genes in Litopenaeus vannamei. Multiple sequence analysis of the deduced mature peptides revealed that these putative crustins included 10 type Ia, two type Ib, one type Ic, 11 type IIa, three type IIb, four type III, one type IV, one type VI, and one type VII. These putative crustins were clustered into different groups. Phylogenetic analysis, considering their domain composition, showed that different types of crustin-like genes in crustaceans might be originated from the WAP core region, along with sequence insertion, duplication, deletion, and amino acid substitution. Tissue distribution analysis suggested that most crustin-like genes were mainly detected in immune-related tissues while several crustin-like genes exhibited tissue-specific expression patterns. Quantitative PCR analysis on 15 selected crustin-like genes showed that most of them were apparently upregulated after Vibrio parahaemolyticus or white spot syndrome virus (WSSV) infection. One type Ib crustin-like gene, mainly expressed in the ovary, showed the highest expression levels before the gastrula stage and was hardly detected after the limb bud stage, suggesting that it was a maternal immune effector. Collectively, the present data revealed the molecular and functional diversity of crustins and their potential evolutionary routes in crustaceans.
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Affiliation(s)
- Shihao Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Xinjia Lv
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yang Yu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Xiaojun Zhang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Fuhua Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
- The Innovation of Seed Design, Chinese Academy of Sciences, Wuhan 430072, China
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Hernández-Pérez A, Noonin C, Söderhäll K, Söderhäll I. Environmental concentrations of sulfamethoxazole increase crayfish Pacifastacus leniusculus susceptibility to White Spot Syndrome Virus. FISH & SHELLFISH IMMUNOLOGY 2020; 102:177-184. [PMID: 32311459 DOI: 10.1016/j.fsi.2020.04.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 04/07/2020] [Accepted: 04/11/2020] [Indexed: 06/11/2023]
Abstract
Antibiotics used for humans and livestock are emerging as pollutants in aquatic environments. However, little is known about their effect on aquatic organisms, especially in crustaceans. In the present study, the freshwater crayfish Pacifastacus leniusculus was exposed during 21 days to environmental concentrations of sulfamethoxazole (SMX) (100 ng/L and 1 μg/L). Subsequently, the crayfish susceptibility to infection was evaluated by using White Spot Syndrome Virus (WSSV) challenge, a well-known crustacean pathogen. The median survival time of the infected crayfish exposed to 100 ng/L SMX was one day, whereas the control and the group exposed to 1 μg/L SMX survived for two and three days, respectively. In order to elucidate the effect of SMX upon the crayfish immune response, new sets of crayfish were exposed to the same SMX treatments to evaluate mRNA levels of immune-related genes which are expressed and present in hemocytes and intestine, and to perform total and differential hemocyte counts. These results show a significant down-regulation of the antimicrobial peptide (AMP) Crustin 3 in hemocytes from the 100 ng/L SMX group, as well as a significant up-regulation of the AMP Crustin 1 in intestines from the 1 μg/L SMX group. Semigranular and total hemocyte cell number were observed to be significantly lower after exposure to 100 ng/L SMX in comparison with the control group. The present study demonstrates that environmentally relevant SMX concentrations in the water at 100 ng/L led to an increased WSSV susceptibility, that may have been caused by a reduction of circulating hemocytes. Nevertheless, SMX concentrations of 1 μg/L could marginally and for a few days have an immunostimulatory effect.
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Affiliation(s)
- Ariadne Hernández-Pérez
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden
| | - Chadanat Noonin
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden
| | - Kenneth Söderhäll
- SciLife Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden
| | - Irene Söderhäll
- SciLife Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden.
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El Menif E, Offret C, Labrie S, Beaulieu L. Identification of Peptides Implicated in Antibacterial Activity of Snow Crab Hepatopancreas Hydrolysates by a Bioassay-Guided Fractionation Approach Combined with Mass Spectrometry. Probiotics Antimicrob Proteins 2020; 11:1023-1033. [PMID: 30443874 DOI: 10.1007/s12602-018-9484-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Snow crab (Chionoecetes opilio) by-products are a rich source of biomolecules, such as lipids, proteins, and chitin, which have not been extensively investigated. This study aims to identify antibacterial peptides to enhance the value of C. opilio by-products. After hydrolysis of different component parts using Protamex®, and concentration by solid-phase extraction, the resulting fractions were tested for antibacterial activity against Escherichia coli, Listeria innocua, and Vibrio parahaemolyticus. Hepatopancreas was the only tissue to display antibacterial activity detected using this protocol. Four fractions obtained with and without enzymatic hydrolysis of hepatopancreas followed by SPE C18 fractionation and elution with 50 and 80% acetonitrile demonstrated bacteriostatic activity against L. innocua HPB13, from concentrations of 0.30 to 43.05 mg/mL of peptides/proteins. Eleven peptides sharing at least 80% amino acid homology with four antimicrobial peptides were identified by mass spectrometry. Two peptides had homology to crustin-like and yellowfin tuna GAPDH antimicrobial peptides belonging to the marine organisms Penaeus monodon and Thunnus albacares, respectively. Other peptide sequence homologies were also identified: Odorranain-C7 from the frog Odorrana grahami and a predicted antibacterial peptide in the Asian ladybeetle Harmonia axyridis. These active peptides may represent a novel group of bioactive peptides deserving further investigation as food preservatives.
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Affiliation(s)
- Emna El Menif
- Institut sur la nutrition et les aliments fonctionnels (INAF), Département des Sciences des aliments, Université Laval, 2425 rue de l'Agriculture, Québec, G1V 0A6, Canada.,Collectif de Recherche Appliquée aux Bioprocédés et à la chimie de l'Environnement CRABE, Université du Québec à Rimouski, 300 allée des Ursulines, Rimouski, QC, G5L 3A1, Canada
| | - Clément Offret
- Institut sur la nutrition et les aliments fonctionnels (INAF), Département des Sciences des aliments, Université Laval, 2425 rue de l'Agriculture, Québec, G1V 0A6, Canada.,Collectif de Recherche Appliquée aux Bioprocédés et à la chimie de l'Environnement CRABE, Université du Québec à Rimouski, 300 allée des Ursulines, Rimouski, QC, G5L 3A1, Canada
| | - Steve Labrie
- Institut sur la nutrition et les aliments fonctionnels (INAF), Département des Sciences des aliments, Université Laval, 2425 rue de l'Agriculture, Québec, G1V 0A6, Canada
| | - Lucie Beaulieu
- Institut sur la nutrition et les aliments fonctionnels (INAF), Département des Sciences des aliments, Université Laval, 2425 rue de l'Agriculture, Québec, G1V 0A6, Canada. .,Collectif de Recherche Appliquée aux Bioprocédés et à la chimie de l'Environnement CRABE, Université du Québec à Rimouski, 300 allée des Ursulines, Rimouski, QC, G5L 3A1, Canada.
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Rončević T, Čikeš-Čulić V, Maravić A, Capanni F, Gerdol M, Pacor S, Tossi A, Giulianini PG, Pallavicini A, Manfrin C. Identification and functional characterization of the astacidin family of proline-rich host defence peptides (PcAst) from the red swamp crayfish (Procambarus clarkii, Girard 1852). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 105:103574. [PMID: 31884202 DOI: 10.1016/j.dci.2019.103574] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 12/11/2019] [Accepted: 12/12/2019] [Indexed: 06/10/2023]
Abstract
This study reports the identification of four novel proline-rich antimicrobial peptides (PR-AMP) from the transcriptome of the red swamp crayfish Procambarus clarkii. The newly identified putative peptides (PcAst-1b, -1c, -2 and -3), which are related with the previously identified hemocyte-specific PR-AMP astacidin-1, are encoded by the multi-genic astacidin gene family. The screening of available and proprietary transcriptomes allowed to define the taxonomical range of distribution of this gene family to Astacoidea and Parastacoidea. The antimicrobial properties of three synthetic PcAst peptides (PcAst-1a, -1b/c and -2), were characterized against reference bacteria or multidrug resistant clinical isolates, and their cytotoxicity was evaluated towards human transformed cell lines. The antimicrobial activity ranged from potent and broad-spectrum, in low-salt medium, to poor, whereas it was generally low in full nutrient broth. No significant toxic effects were observed on cultured human cells. RNA-seq data from 12 different tissues indicated a strong specificity for haemocytes under naïve physiological condition, with moderate expression (5-fold lower) in gills. Quantitative real time PCR revealed a rapid (within 2 h) and significant up-regulation of PcAst-1a (Astacidin 1) and PcAst-2 expression in response to LPS injection. Due to the variation in antimicrobial potency and inducibility, the roles of the other astacidins (PcAst-1b, -1c and -3) need to be further investigated to determine their significance to the immune responses of the red swamp crayfish.
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Affiliation(s)
- Tomislav Rončević
- Department of Biology, Faculty of Science, University of Split, Rudera Boskovica 33, 21000, Split, Croatia; Institute of Oceanography and Fisheries, Setaliste Ivana Mestrovica 63, 21000, Split, Croatia
| | - Vedrana Čikeš-Čulić
- Department of Medical Chemistry and Biochemistry, School of Medicine, University of Split, Soltanska 2, 21000, Split, Croatia
| | - Ana Maravić
- Department of Biology, Faculty of Science, University of Split, Rudera Boskovica 33, 21000, Split, Croatia
| | - Francesca Capanni
- Department of Life Sciences, University of Trieste, via L. Giorgieri, 5, IT-34127, Trieste, Italy
| | - Marco Gerdol
- Department of Life Sciences, University of Trieste, via L. Giorgieri, 5, IT-34127, Trieste, Italy
| | - Sabrina Pacor
- Department of Life Sciences, University of Trieste, via L. Giorgieri, 5, IT-34127, Trieste, Italy
| | - Alessandro Tossi
- Department of Life Sciences, University of Trieste, via L. Giorgieri, 5, IT-34127, Trieste, Italy
| | - Piero G Giulianini
- Department of Life Sciences, University of Trieste, via L. Giorgieri, 5, IT-34127, Trieste, Italy
| | - Alberto Pallavicini
- Department of Life Sciences, University of Trieste, via L. Giorgieri, 5, IT-34127, Trieste, Italy
| | - Chiara Manfrin
- Department of Life Sciences, University of Trieste, via L. Giorgieri, 5, IT-34127, Trieste, Italy.
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Chen YL, Han K, Huang X, Zhang Z, Wan X, Ren Q. Caspase-3C gene from red swamp crayfish, Procambarus clarki: Characterization and expression in response to pathogenic infection. FISH & SHELLFISH IMMUNOLOGY 2019; 94:792-799. [PMID: 31585244 DOI: 10.1016/j.fsi.2019.10.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/28/2019] [Accepted: 10/01/2019] [Indexed: 06/10/2023]
Abstract
The caspase is an essential module in the Drosophila immune deficiency (IMD) pathway, which plays a crucial role in countering pathogen infection. In this study, a gene named PcCaspase-3C was found in Procambarus clarkia with a full-length of 4684 bp, including a 1572 bp opening reading frame, which encoded a putative protein of 523 amino acids. PcCaspase-3C contained a CASc domain constituted of 237 amino acids. The PcCaspase-3C gene was primarily expressed in heart, stomach, and intestine, while less in gonad, hepatopancreas, gills, and hemocytes, with the least expression in muscle. Infection with Staphyloccocus aureus, Vibrio parahaemolyticus or white spot syndrome virus (WSSV) induced an up-regulated expression of PcCaspase-3C in intestine or stomach to varying degrees. When PcCaspase-3C was silenced by double-stranded RNA, the expression of some antimicrobial peptides such as ALF2, ALF5, ALF6, Cru3, Cru4, and Lys was significantly inhibited. In addition, silencing of PcCaspase-3C accelerated infection with WSSV in vivo. According to these results, we suggest that PcCaspase-3C might play a crucial role in the immune response of P. clarkia against pathogenic bacterial and viral infections.
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Affiliation(s)
- Yu-Lei Chen
- College of Food and Biological Engineering, Jimei University, Xiamen, Fujian Province, 361021, China
| | - Keke Han
- College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Xin Huang
- College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Zhuoxing Zhang
- College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China
| | - Xihe Wan
- Institute of Oceanology and Marine Fisheries, Jiangsu, PR China.
| | - Qian Ren
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, PR China; Co-Innovation Center for Marine Bio-Industry Technology of Jiangsu Province, Lianyungang, Jiangsu Province, 222005, China; College of Marine Science and Engineering, Nanjing Normal University, Nanjing, China.
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Jin Q, Zhu F. Differentially expressed genes of the shrimp Marsupenaeus japonicus in response to infection by white spot syndrome virus or Vibrio alginolyticus. FISH & SHELLFISH IMMUNOLOGY 2019; 92:348-355. [PMID: 31216437 DOI: 10.1016/j.fsi.2019.06.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 06/11/2019] [Accepted: 06/13/2019] [Indexed: 06/09/2023]
Abstract
This is the first study to use a next-generation high-throughput DNA sequencing technique, the Illumina Hiseq2000 method, to analyze the transcriptome from hemocytes of Marsupenaeus japonicus. A total of 80,929,652 Illumina reads, including 79,525,942 high quality reads were obtained in this study. From these, 40,231 unigenes with a mean length of 1557 bp were assembled using Trinity de novo software and 28,746 cDNA were matched in the NCBI database. Then we compared the transcriptome changes after white spot syndrome virus (WSSV) or Vibrio alginolyticus infection. A total of 19,872 putative proteins were classified functionally into 25 molecular families in the cluster of orthologous groups. KEGG pathway analysis identified that the metabolic pathway possessed more unigenes (1358 unigenes), followed by biosynthesis of secondary metabolites, Huntington's disease and RNA transport. Important immune functions like apoptosis, phagocytosis, and lysosomes were in response to WSSV and V. alginolyticus early infection. Only 26 transcripts were significantly up-regulated or down-regulated after WSSV infection showed compared with V. alginolyticus. Crustin-like protein, endonuclease-reverse transcriptase, putative nuclease HARBI1-like, diphthamide biosynthesis protein 7 and hormone receptor 3 were involved in the immune response to WSSV or V. alginolyticus infection. These transcriptome datasets accelerate our understanding of the innate immune mechanisms in M. japonicus and other crustaceans.
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Affiliation(s)
- Qingri Jin
- Zhejiang Provincial Engineering Laboratory for Animal Health Inspection and Internet Technology, College of Animal Science and Technology, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Fei Zhu
- Zhejiang Provincial Engineering Laboratory for Animal Health Inspection and Internet Technology, College of Animal Science and Technology, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China.
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31
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Du ZQ, Wang Y, Ma HY, Shen XL, Wang K, Du J, Yu XD, Fang WH, Li XC. A new crustin homologue (SpCrus6) involved in the antimicrobial and antiviral innate immunity in mud crab, Scylla paramamosain. FISH & SHELLFISH IMMUNOLOGY 2019; 84:733-743. [PMID: 30381264 DOI: 10.1016/j.fsi.2018.10.072] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 10/21/2018] [Accepted: 10/26/2018] [Indexed: 06/08/2023]
Abstract
Crustins play important roles in defending against bacteria in the innate immunity system of crustaceans. In present study, we identified a crustin gene in Scylla paramamosain, which was named as SpCrus6. The ORF of SpCrus6 possessed a signal peptide sequence (SPS) at the N-terminus and a WAP domain at the C-terminus. And there were 5 Proline residues, 5 Glycine and 4 Cysteine residues between SPS and WAP domain in SpCrus6. These features indicated that SpCrus6 was a new member of crustin family. The SpCrus6 mRNA transcripts were up-regulated obviously after bacteria or virus challenge. These changes showed that SpCrus6 was involved in the antimicrobial and antiviral responses of Scylla paramamosain. Recombinant SpCrus6 (rSpCrus6) showed strong inhibitory abilities against Gram-positive bacteria (Bacillus megaterium, Staphylococcus aureus, and Bacillus subtilis). But the inhibitory abilities against four Gram-negative bacteria (Vibrio parahemolyticus, Vibrio alginolyticus, Vibrio harveyi and Escherichia coli) and two fungi (Pichia pastoris and Candida albicans) were not strong enough. Besides, rSpCrus6 could strongly bind to two Gram-positive bacteria (B. subtilis and B. megaterium) and three Gram-negative bacteria (V. alginolyticus, V. parahemolyticus, and V. harveyi). And the binding levels to S. aureus and two fungi (P. pastoris and C. albicans) were weak. The polysaccharides binding assays' results showed rSpCrus6 had superior binding activities to LPS, LTA, PGN and β-glucan. Through agglutinating assays, we found rSpCrus6 could agglutinate well three Gram-positive bacteria (S. aureus, B. subtilis and B. megaterium). And the agglutinating activities to Gram-negative bacteria and fungi were not found. In the aspect of antiviral functions, rSpCrus6 could bind specifically to the recombinant envelop protein 26 (rVP26) of white spot syndrome virus (WSSV) but not to recombinant envelop protein 28 (rVP28), whereas GST protein could not bind to rVP26 or rVP28. Besides, rSpCrus6 could suppress WSSV reproduction to some extent. Taken together, SpCrus6 was a multifunctional immunity effector in the innate immunity defending response of S. paramamosain.
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Affiliation(s)
- Zhi-Qiang Du
- School of Life Science and Technology, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia Autonomous Region, 014010, China
| | - Yue Wang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, 200090, China; Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture, Shanghai, 200090, China; Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Hong-Yu Ma
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Xiu-Li Shen
- Library, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia Autonomous Region, 014010, China
| | - Kai Wang
- School of Life Science and Technology, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia Autonomous Region, 014010, China
| | - Jie Du
- School of Life Science and Technology, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia Autonomous Region, 014010, China
| | - Xiao-Dong Yu
- School of Life Science and Technology, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia Autonomous Region, 014010, China
| | - Wen-Hong Fang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, 200090, China
| | - Xin-Cang Li
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, 200090, China; Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture, Shanghai, 200090, China.
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Ali SM, Siddiqui R, Khan NA. Antimicrobial discovery from natural and unusual sources. ACTA ACUST UNITED AC 2018; 70:1287-1300. [PMID: 30003546 DOI: 10.1111/jphp.12976] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 06/15/2018] [Indexed: 01/30/2023]
Abstract
OBJECTIVES Whether vertebrates/invertebrates living in polluted environments are an additional source of antimicrobials. KEY FINDINGS Majority of antimicrobials have been discovered from prokaryotes and those which are of eukaryotic origin are derived mainly from fungal and plant sources. With this in mind, it is important to note that pests, such as cockroaches come across pathogenic bacteria routinely, yet thrive in polluted environments. Other animals, such as snakes thrive from feeding on germ-infested rodents. Logically, such species must have developed an approach to protect themselves from these pathogens, yet they have largely been ignored as a potential source of antimicrobials despite their remarkable capability to fight disease-causing organisms. SUMMARY Animals living in polluted environments are an underutilized source for potential antimicrobials, hence it is believed that several novel bioactive molecule(s) will be identified from these sources to counter increasingly resistant bacterial infections. Further research will be necessary in the development of novel antimicrobial(s) from these unusual sources which will have huge clinical impact worldwide.
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Affiliation(s)
- Salwa Mansur Ali
- Department of Biological Sciences, School of Science and Technology, Sunway University, Subang Jaya, Selangor, Malaysia
| | - Ruqaiyyah Siddiqui
- Department of Biological Sciences, School of Science and Technology, Sunway University, Subang Jaya, Selangor, Malaysia
| | - Naveed Ahmed Khan
- Department of Biological Sciences, School of Science and Technology, Sunway University, Subang Jaya, Selangor, Malaysia
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Wang H, Zhang JX, Wang Y, Fang WH, Wang Y, Zhou JF, Zhao S, Li XC. Newly identified type II crustin (SpCrus2) in Scylla paramamosain contains a distinct cysteine distribution pattern exhibiting broad antimicrobial activity. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 84:1-13. [PMID: 29409789 DOI: 10.1016/j.dci.2018.01.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 01/30/2018] [Accepted: 01/31/2018] [Indexed: 06/07/2023]
Abstract
Type II crustins are the most abundant type of crustins in shrimps that exhibit remarkable sequence diversities and broad antibacterial activities. This study characterized a novel type II crustin, SpCrus2, in the mud crab Scylla paramamosain. The SpCrus2 cDNA sequence is 620-bp long with a 495-bp open reading frame encoding a 164-amino acid protein. In the deduced protein, a 17-amino acid signal peptide, a glycine-rich hydrophobic region (GRR), and a cysteine-rich region (CRR) containing a whey acidic protein domain were predicted. SpCrus2 shares high similarity with most type II crustins (types IIa and IIb crustins) in shrimps but has a novel distribution pattern of cysteine residues that is distinct from most crustins. SpCrus2 and PlCrus3 from Pacifastacus leniusculus share high similarity and the same distribution pattern of cysteine residues. Thus, we proposed them as type IIc crustins. SpCrus2 is mainly distributed in the gills and can be up-regulated through Vibrio parahemolyticus or Staphylococcus aureus challenge. To investigate the biological functions of SpCrus2 and the underlying mechanisms, SpCrus2, GRR, CRR, and the mutant of CRR (CRR-M, the cysteine distribution pattern is mutated into that in most conventional crustins) were all overexpressed and purified. SpCrus2 GRR itself, as a glycine-rich amphiphilic peptide, exhibited evident antibacterial ability against Gram-negative bacteria, whereas CRR possessed potent antibacterial activity against Gram-positive bacteria. Either GRR or CRR exhibited weaker antibacterial activity than the whole protein of SpCrus2, indicating that GRR and CRR synergized to exert their potential antibacterial functions. In addition, CRR exhibited slightly stronger antimicrobial activity than CRR-M, suggesting that SpCrus2 containing this novel cysteine distribution pattern may exhibit stronger antimicrobial activity than most type II crustins with the conventional distribution pattern of cysteine residues. The likely antimicrobial ability of SpCrus2 may result from its microbial polysaccharide-binding and agglutination activities. Overall, this study characterized the first type II crustin in crabs and provided new insights into understanding the sequence and functional diversity of crustins and their immune functions in crustaceans.
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Affiliation(s)
- Hui Wang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea and Oceanic Fishery Resources Exploitation, Ministry of Agriculture, Shanghai 200090, China; School of Aquaculture and Life Science, Shanghai Ocean University, Shanghai 201306, China
| | - Jing-Xiao Zhang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea and Oceanic Fishery Resources Exploitation, Ministry of Agriculture, Shanghai 200090, China
| | - Yue Wang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea and Oceanic Fishery Resources Exploitation, Ministry of Agriculture, Shanghai 200090, China
| | - Wen-Hong Fang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea and Oceanic Fishery Resources Exploitation, Ministry of Agriculture, Shanghai 200090, China
| | - Yuan Wang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea and Oceanic Fishery Resources Exploitation, Ministry of Agriculture, Shanghai 200090, China
| | - Jun-Fang Zhou
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea and Oceanic Fishery Resources Exploitation, Ministry of Agriculture, Shanghai 200090, China
| | - Shu Zhao
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea and Oceanic Fishery Resources Exploitation, Ministry of Agriculture, Shanghai 200090, China
| | - Xin-Cang Li
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea and Oceanic Fishery Resources Exploitation, Ministry of Agriculture, Shanghai 200090, China.
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Passarini I, Rossiter S, Malkinson J, Zloh M. In Silico Structural Evaluation of Short Cationic Antimicrobial Peptides. Pharmaceutics 2018; 10:E72. [PMID: 29933540 PMCID: PMC6160961 DOI: 10.3390/pharmaceutics10030072] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 06/11/2018] [Accepted: 06/12/2018] [Indexed: 12/26/2022] Open
Abstract
Cationic peptides with antimicrobial properties are ubiquitous in nature and have been studied for many years in an attempt to design novel antibiotics. However, very few molecules are used in the clinic so far, sometimes due to their complexity but, mostly, as a consequence of the unfavorable pharmacokinetic profile associated with peptides. The aim of this work is to investigate cationic peptides in order to identify common structural features which could be useful for the design of small peptides or peptido-mimetics with improved drug-like properties and activity against Gram negative bacteria. Two sets of cationic peptides (AMPs) with known antimicrobial activity have been investigated. The first reference set comprised molecules with experimentally-known conformations available in the protein databank (PDB), and the second one was composed of short peptides active against Gram negative bacteria but with no significant structural information available. The predicted structures of the peptides from the first set were in excellent agreement with those experimentally-observed, which allowed analysis of the structural features of the second group using computationally-derived conformations. The peptide conformations, either experimentally available or predicted, were clustered in an “all vs. all” fashion and the most populated clusters were then analyzed. It was confirmed that these peptides tend to assume an amphipathic conformation regardless of the environment. It was also observed that positively-charged amino acid residues can often be found next to aromatic residues. Finally, a protocol was evaluated for the investigation of the behavior of short cationic peptides in the presence of a membrane-like environment such as dodecylphosphocholine (DPC) micelles. The results presented herein introduce a promising approach to inform the design of novel short peptides with a potential antimicrobial activity.
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Affiliation(s)
- Ilaria Passarini
- School of Life and Medical Sciences, University of Hertfordshire, College Lane, Hatfield AL10 9AB, UK.
| | - Sharon Rossiter
- School of Life and Medical Sciences, University of Hertfordshire, College Lane, Hatfield AL10 9AB, UK.
| | - John Malkinson
- UCL School of Pharmacy, University College London, 29/39 Brunswick Square, London WC1N 1AX, UK.
| | - Mire Zloh
- School of Life and Medical Sciences, University of Hertfordshire, College Lane, Hatfield AL10 9AB, UK.
- Faculty of Pharmacy, University Business Academy, Trg mladenaca 5, 21000 Novi Sad, Serbia.
- NanoPuzzle Medicines Design, Business & Technology Centre, Bessemer Drive, Stevenage SG1 2DX, UK.
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Wang Y, Zhang XW, Wang H, Fang WH, Ma H, Zhang F, Wang Y, Li XC. SpCrus3 and SpCrus4 share high similarity in mud crab (Scylla paramamosain) exhibiting different antibacterial activities. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 82:139-151. [PMID: 29352984 DOI: 10.1016/j.dci.2018.01.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 01/09/2018] [Accepted: 01/10/2018] [Indexed: 06/07/2023]
Abstract
Type I crustins are crucial effectors of crustacean immune system. Various type I crustins with high sequence diversity possess different antimicrobial activities. To date, the mechanism on how the sequence diversity of type I crustins affects their antimicrobial activities is largely unclear, and how different crustins function together against bacterial invasion still remains unknown. In this study, we identified two novel type I crustins, namely, SpCrus3 and SpCrus4, from an economically important crab, Scylla paramamosain. Either SpCrus3 or SpCrus4 was highly expressed in gill. After challenges with Vibrio parahemolyticus or Staphylococcus aureus, SpCrus4 was up-regulated, whereas SpCrus3 was down-regulated. No significant expression change of SpCrus3 and SpCrus4 was observed after white spot syndrome virus injection, suggesting that these two genes may not participate in the antiviral immune responses. SpCrus3 and SpCrus4 had the common 5' terminus and high similarity of 66.06%, but SpCrus4 exhibited stronger antimicrobial activity than that of SpCrus3. Microorganism-binding assay results revealed that both SpCrus3 and SpCrus4 exhibited binding ability to all tested microorganisms. Furthermore, the polysaccharide-binding assay showed that these two proteins exhibited strong binding activity to bacterial polysaccharides, such as lipopolysaccharide (LPS), lipoteichoic acid (LTA), and peptidoglycan (PGN). SpCrus3 and SpCrus4 exhibited stronger binding activity to LPS or LTA than to PGN. Moreover, SpCrus4 showed stronger binding activity to LTA than that of SpCrus3, which may be responsible for the significantly distinct antimicrobial activity between these two proteins. In addition, SpCrus4 displayed stronger agglutination activity against several kinds of microorganisms than that of SpCrus3. This increased agglutination activity may also contribute to the strong antibacterial activity of SpCrus4. On the basis of all these results, a possible antibacterial mode exerted by SpCrus3 and SpCrus4 was proposed as follows. SpCrus3 was highly expressed in normal crabs to maintain low-level antibacterial activity without bacterial challenges. When crabs were challenged with bacteria, large amount of SpCrus4 was generated to exhibit strong antibacterial activity against bacterial invasion. This study provides new insights to understand the antibacterial functions and mechanisms of type I crustins.
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Affiliation(s)
- Yue Wang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture, Shanghai, 200090, China; College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Xiao-Wen Zhang
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Hui Wang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture, Shanghai, 200090, China
| | - Wen-Hong Fang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture, Shanghai, 200090, China
| | - Hongyu Ma
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Fengxia Zhang
- Department of Arts and Sciences, New York University, Shanghai, 200122, China
| | - Yuan Wang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture, Shanghai, 200090, China
| | - Xin-Cang Li
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture, Shanghai, 200090, China.
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Cerenius L, Söderhäll K. Crayfish immunity - Recent findings. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 80:94-98. [PMID: 28502650 DOI: 10.1016/j.dci.2017.05.010] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 05/09/2017] [Accepted: 05/10/2017] [Indexed: 06/07/2023]
Abstract
Freshwater crayfish is an important commodity as well as a successful model for studies on crustacean immunity. Due to the ease with which they are kept and the available methods for hemocyte separation and culture they have proven to be very useful. Here, recent progress regarding pattern recognition, immune effector production and antiviral mechanisms are discussed. Several cases of functional resemblance between vertebrate complement and the crayfish immune reactions are highlighted.
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Affiliation(s)
- Lage Cerenius
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36 Uppsala, Sweden.
| | - Kenneth Söderhäll
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36 Uppsala, Sweden
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Moe MK, Haug T, Sydnes MO, Sperstad SV, Li C, Vaagsfjord LC, de la Vega E, Stensvåg K. Paralithocins, Antimicrobial Peptides with Unusual Disulfide Connectivity from the Red King Crab, Paralithodes camtschaticus. JOURNAL OF NATURAL PRODUCTS 2018; 81:140-150. [PMID: 29338238 DOI: 10.1021/acs.jnatprod.7b00780] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
As part of an ongoing exploration of marine invertebrates as a source of new antimicrobial peptides, hemocyte extracts from the red king crab, Paralithodes camtschaticus, were studied. Three cationic cysteine (Cys)-rich peptides, named paralithocins 1-3, were isolated by bioassay-guided purification, and their amino acid sequences determined by Edman degradation and expressed sequences tag analysis. Disulfide bond mapping was performed by high-resolution tandem mass spectrometry. The peptides (38-51 amino acids in length) share a unique Cys motif composed of eight Cys, forming four disulfide bridges with a bond connectivity of (Cys relative position) Cys1-Cys8, Cys2-Cys6, Cys3-Cys5, and Cys4-Cys7, a disulfide arrangement that has not been previously reported among antimicrobial peptides. Thus, paralithocins 1-3 may be assigned to a previously unknown family of antimicrobial peptides within the group of Cys-rich antimicrobial peptides. Although none of the isolated peptides displayed antimicrobial activity against the target strains Escherichia coli, Pseudomonas aeruginosa, or Staphylococcus aureus, they inhibited the growth of several marine bacterial strains with minimal inhibitory concentrations in the 12.5-100 μM range. These findings corroborate the hypothesis that marine organisms are a valuable source for discovering bioactive peptides with new structural motifs.
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Affiliation(s)
- Morten K Moe
- Multidiciplinary Laboratory Medicine and Medical Biochemistry, Akershus University Hospital (Ahus) , NO-1478 Lørenskog, Norway
| | - Tor Haug
- Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway , Breivika, N-9037 Tromsø, Norway
| | - Magne O Sydnes
- Biomiljø, International Research Institute of Stavanger , Mekjarvik 12, NO-4070 Randaberg, Norway
- Department of Mathematics and Natural Science, University of Stavanger , NO-4036 Stavanger, Norway
| | - Sigmund V Sperstad
- Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway , Breivika, N-9037 Tromsø, Norway
| | - Chun Li
- Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway , Breivika, N-9037 Tromsø, Norway
| | - Lena C Vaagsfjord
- Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway , Breivika, N-9037 Tromsø, Norway
| | - Enrique de la Vega
- Marine Biomedicine and Environmental Sciences Center, Medical University of South Carolina , 221 Ft. Johnson Road, Charleston, South Carolina 29412, United States
| | - Klara Stensvåg
- Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway , Breivika, N-9037 Tromsø, Norway
- Marine Biomedicine and Environmental Sciences Center, Medical University of South Carolina , 221 Ft. Johnson Road, Charleston, South Carolina 29412, United States
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Dai LS, Abbas MN, Kausar S, Zhou Y. Transcriptome analysis of hepatopancraes of Procambarus clarkii challenged with polyriboinosinic polyribocytidylic acid (poly I:C). FISH & SHELLFISH IMMUNOLOGY 2017; 71:144-150. [PMID: 29017948 DOI: 10.1016/j.fsi.2017.10.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 09/28/2017] [Accepted: 10/06/2017] [Indexed: 06/07/2023]
Abstract
Crustacean hepatopancreas regulates metabolic processes, biogenesis and innate immune processes, and the knowledge on its immune genes are crucial to understand antimicrobial mechanisms. In this study, we reported the transcriptomic profile of Procambarus clarkii hepatopancreas after poly I:C administration using high-throughput sequencing. Following de novo assembly 56,716 unigene sequences with an average length of 810 bp was obtained. The unigene sequences were annotated to three ontologies including cellular components, biological processes and molecular functions, further 56,716 unigene sequences were mapped to 25 COG categories. A total of 2497 differentially expressed genes (DEGs) were identified following the comparative analysis between poly I:C treated and control group, and then KEGG enrichment analysis were performed to detect immune related pathways. Quantitative real time polymerase chain reaction showed that the selected DEGs significantly up-regulated following poly I:C administration in comparison to control group. The transcriptomic sequence information will improve the knowledge of this economically important crustacean, and will shed light on its antiviral immune mechanisms.
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Affiliation(s)
- Li-Shang Dai
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, PR China.
| | - Muhammad Nadeem Abbas
- Department of Zoology and Fisheries, University of Agriculture, Faisalabad 38000, Pakistan
| | - Saima Kausar
- Department of Zoology and Fisheries, University of Agriculture, Faisalabad 38000, Pakistan
| | - Yang Zhou
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, PR China
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Vargas-Albores F, Martínez-Porchas M. Crustins are distinctive members of the WAP-containing protein superfamily: An improved classification approach. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 76:9-17. [PMID: 28512012 DOI: 10.1016/j.dci.2017.05.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 05/10/2017] [Accepted: 05/12/2017] [Indexed: 06/07/2023]
Abstract
Crustins are considered effector molecules of innate immunity in arthropods, and classification schemes have been proposed over the last 10 years. However, classification problems have emerged: for example, proteins that have been well identified as members of a particular category have also been classified as crustins. Therefore, the objective of this manuscript was to analyze and, based on solid arguments, improve the original proposed nomenclature to make crustins a distinctive group of antibacterial proteins. The presence of WAP or 4DSC domain has been considered a distinctive feature of crustins; however, several antibacterial proteins containing WAP domains have been detected in diverse taxonomic groups (including mammals). Here, we present evidence supporting the idea that the Cys-rich region and the 4DSC domain can be considered a signature of crustins and, together with some distance arrangements occurring within this 12-Cys region, yield enough information for the classification of these proteins. Herein, the core characteristics to be considered for classification purposes are the length of the Gly-rich region and the repetitive tetrapeptides occurring within this region; these characteristics are then hierarchically followed by the F and A distances located within the 4DSC domain. Finally, the proposed system considers the crustin signature as the common structure in all members, which is a differentiator from other proteins containing WAP domains, separating crustins as a well-distinguished member of the superfamily of WAP-domain containing proteins.
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Affiliation(s)
- Francisco Vargas-Albores
- Centro de Investigación en Alimentación y Desarrollo, A. C. Km 0.6 Carretera a La Victoria, Hermosillo, Sonora, Mexico.
| | - Marcel Martínez-Porchas
- Centro de Investigación en Alimentación y Desarrollo, A. C. Km 0.6 Carretera a La Victoria, Hermosillo, Sonora, Mexico
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Jia Z, Wang L, Jiang S, Sun M, Wang M, Yi Q, Song L. Functional characterization of hemocytes from Chinese mitten crab Eriocheir sinensis by flow cytometry. FISH & SHELLFISH IMMUNOLOGY 2017; 69:15-25. [PMID: 28826623 DOI: 10.1016/j.fsi.2017.08.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 07/31/2017] [Accepted: 08/03/2017] [Indexed: 06/07/2023]
Abstract
Hemocytes comprise a diversity of cell types with functional and structural heterogeneity, and they play key roles in the host defense of invertebrates. In the present study, the hemocytes from Chinese mitten crab Eriocheir sinensis were directly separated into two groups by flow cytometry. The hemocytes in P1 group were full of round and abundant granules with deeply staining cytoplasm, while P2 hemocytes were more diverse with a wide range of sizes and less granularity. Both P1 and P2 hemocytes exhibited phagocytic ability, but the phagocytic rate of P1 hemocytes increased which was significantly higher than that of P2 hemocytes after LPS stimulations. The levels of ROS production and intracellular Calcium as well as lysosome content were higher in P1 hemocytes than that in P2 hemocytes under both normal and immune-activated situations. The genes involved in phagocytosis, antimicrobial and antioxidant activities were mainly expressed in P1 hemocytes, while the genes involved in proPO activation system were highly expressed in P2 hemocytes. These results collectively suggested that P1 hemocytes were the main immunocompetent hemocytes in Chinese mitten crab and P2 hemocytes mainly participated in proPO activation system.
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Affiliation(s)
- Zhihao Jia
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lingling Wang
- Functional Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Shuai Jiang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Mingzhe Sun
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengqiang Wang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Qilin Yi
- Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian 116023, China
| | - Linsheng Song
- Functional Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian 116023, China.
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41
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Visetnan S, Supungul P, Tassanakajon A, Donpudsa S, Rimphanitchayakit V. A single WAP domain-containing protein from Litopenaeus vannamei possesses antiproteinase activity against subtilisin and antimicrobial activity against AHPND-inducing Vibrio parahaemolyticus. FISH & SHELLFISH IMMUNOLOGY 2017; 68:341-348. [PMID: 28743625 DOI: 10.1016/j.fsi.2017.07.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 07/18/2017] [Accepted: 07/21/2017] [Indexed: 06/07/2023]
Abstract
The single WAP domain-containing protein (SWD) is a type III crustin antimicrobial peptide whose function is to defense the host animal against the bacterial infection by means of antimicrobial and antiproteinase activities. A study of SWD from Litopenaeus vannamei (LvSWD) is reported herein about its activities and function against bacteria, particularly the AHPND-inducing Vibrio parahaemolyticus (VPAHPND) that causes acute hepatopancreatic necrosis disease (AHPND). The LvSWD is mainly synthesized in hemocytes and up-regulated in response to VPAHPND infection. Over-expressed mature recombinant LvSWD (rLvSWD) and its WAP domain (rLvSWD-WAP) are able to strongly inhibit subtilisin but not trypsin, chymotrypsin and elastase. The rLvSWD inhibits subtilisin with the inhibition constant (Ki) of 14.3 nM. However, only rLvSWD exhibited antimicrobial activity against both Gram-positive and Gram-negative bacteria. Unlike the rLvSWD, the rLvSWD-WAP does not possess antimicrobial activity. Therefore, the killing effect of rLvSWD on VPAHPND and Bacillus megaterium was studied. The MIC of 30 μM against VPAHPND is bactericidal whereas the MIC against B. megaterium is not. With four times the MIC of rLvSWD, the VPAHPND-treated post larval shrimp are able to survive longer with 50% survival rate as long as 78 h as compared to 36 h of the infected shrimp without rLvSWD. The antimicrobial activity of LvSWD against the VPAHPND infection suggests its potential application for disease control in aquaculture.
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Affiliation(s)
- Suwattana Visetnan
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Phyathai Road, Bangkok 10330, Thailand
| | - Premruethai Supungul
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 10120, Thailand
| | - Anchalee Tassanakajon
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Phyathai Road, Bangkok 10330, Thailand
| | - Suchao Donpudsa
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Bangkok 10110, Thailand.
| | - Vichien Rimphanitchayakit
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Phyathai Road, Bangkok 10330, Thailand.
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Imjongjirak C, Amphaiphan P, Charoensapsri W, Amparyup P. Characterization and antimicrobial evaluation of SpPR-AMP1, a proline-rich antimicrobial peptide from the mud crab Scylla paramamosain. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 74:209-216. [PMID: 28479344 DOI: 10.1016/j.dci.2017.05.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Revised: 05/03/2017] [Accepted: 05/03/2017] [Indexed: 06/07/2023]
Abstract
Antimicrobial peptide (AMP) is an important molecule in the innate immune system. Here, we report the cloning and functional studies of proline-rich AMPs (PR-AMPs) from the three species of mud crab: Scylla paramamosain, S. serrata, and the swimming crab Portunus pelagicus. The deduced peptides revealed that they contain the putative signal peptides and encode for mature peptides, which contain sequence architecture similar to a 6.5-kDa proline-rich AMP of the shore crab, Carcinus maenas which showed similarity with the bactenecin7. Tissue distribution analysis indicated that the SpPR-AMP1 was expressed in a wide range of adult tissues, with the highest expression levels in the crab hemocyte. Challenge experiments showed that the levels of SpPR-AMP1 mRNA expression were up-regulated in the hemocyte after peptidoglycan stimulation. To evaluate the biological properties of mature SpPR-AMP1, peptides were chemically synthesized and recombinantly expressed. SpPR-AMP1 showed strong antibacterial activity against both Gram-positive bacteria Micrococcus luteus and Gram-negative bacteria Vibrio harveyi. The results indicate that the SpPR-AMP1 plays a role in crab immunity.
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Affiliation(s)
- Chanprapa Imjongjirak
- Department of Food Technology, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok 10330, Thailand.
| | - Pawanrat Amphaiphan
- Department of Food Technology, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok 10330, Thailand
| | - Walaiporn Charoensapsri
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Paholyothin Road, Klong 1, Klong Luang, Pathumthani 12120, Thailand
| | - Piti Amparyup
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Paholyothin Road, Klong 1, Klong Luang, Pathumthani 12120, Thailand.
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43
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Cation metals specific hemocyanin exhibits differential antibacterial property in mud crab, Scylla serrata. Biologia (Bratisl) 2016. [DOI: 10.1515/biolog-2016-0028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Lin FY, Gao Y, Wang H, Zhang QX, Zeng CL, Liu HP. Identification of an anti-lipopolysacchride factor possessing both antiviral and antibacterial activity from the red claw crayfish Cherax quadricarinatus. FISH & SHELLFISH IMMUNOLOGY 2016; 57:213-221. [PMID: 27544268 DOI: 10.1016/j.fsi.2016.08.037] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 08/10/2016] [Accepted: 08/14/2016] [Indexed: 05/06/2023]
Abstract
It is well-known that anti-lipopolysacchride factors (ALFs) are involved in the recognition and elimination of invading pathogens. In this study, the full-length ALF cDNA sequence of the red claw crayfish Cherax quadricarinatus (termed CqALF) was cloned from a suppression subtractive hybridization library constructed using red claw crayfish hematopoietic tissue cell (Hpt cell) cultures following challenge with white spot syndrome virus (WSSV). The full-length cDNA sequence of CqALF was 863 bp, and the open reading frame encoded 123 amino acids with a signal peptide in the N-terminus and a conserved LPS-binding domain. Unlike most ALFs, which are highly expressed in haemocytes, high expression levels of CqALF were detected in epithelium, the stomach and eyestalks, while lower expression was detected in Hpt, nerves, the heart, muscle tissue, gonads, haemocytes, intestines, gills and the hepatopancreas. To further explore the biological activities of CqALF, mature recombinant CqALF protein (rCqALF) was expressed and purified using a eukaryotic expression system, and an antimicrobial activity test was carried out. rCqALF clearly exerted antiviral activity, as evidenced by the severe disruption of the envelope of intact WSSV virions following co-incubation of virions with rCqALF. Additionally, pre-incubation of WSSV with rCqALF resulted in both a significant reduction in WSSV replication in red claw crayfish Hpt cell cultures and an increased survival rate among animals. Furthermore, rCqALF was effective against both Gram-negative bacteria and Gram-positive bacteria, particularly Shigella flexneri and Staphylococcus aureus. A membrane integrity assay suggested that rCqALF was unlikely to disrupt bacterial membrane integrity compared to cecropin P1. Taken together, these data suggest that CqALF may play an important role in immune defence in the crustacean C. quadricarinatus.
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Affiliation(s)
- Feng-Yu Lin
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, Fujian, PR China
| | - Yan Gao
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, Fujian, PR China
| | - Hao Wang
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, Fujian, PR China
| | - Qiu-Xia Zhang
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, Fujian, PR China
| | - Chang-Lin Zeng
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, Fujian, PR China
| | - Hai-Peng Liu
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, Fujian, PR China; Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources (Xiamen University), State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, Xiamen 361102, Fujian, PR China.
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Balandin SV, Ovchinnikova TV. Antimicrobial peptides of invertebrates. Part 1. structure, biosynthesis, and evolution. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2016. [DOI: 10.1134/s1068162016030055] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Falanga A, Lombardi L, Franci G, Vitiello M, Iovene MR, Morelli G, Galdiero M, Galdiero S. Marine Antimicrobial Peptides: Nature Provides Templates for the Design of Novel Compounds against Pathogenic Bacteria. Int J Mol Sci 2016; 17:ijms17050785. [PMID: 27213366 PMCID: PMC4881601 DOI: 10.3390/ijms17050785] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 05/11/2016] [Accepted: 05/18/2016] [Indexed: 11/16/2022] Open
Abstract
The discovery of antibiotics for the treatment of bacterial infections brought the idea that bacteria would no longer endanger human health. However, bacterial diseases still represent a worldwide treat. The ability of microorganisms to develop resistance, together with the indiscriminate use of antibiotics, is mainly responsible for this situation; thus, resistance has compelled the scientific community to search for novel therapeutics. In this scenario, antimicrobial peptides (AMPs) provide a promising strategy against a wide array of pathogenic microorganisms, being able to act directly as antimicrobial agents but also being important regulators of the innate immune system. This review is an attempt to explore marine AMPs as a rich source of molecules with antimicrobial activity. In fact, the sea is poorly explored in terms of AMPs, but it represents a resource with plentiful antibacterial agents performing their role in a harsh environment. For the application of AMPs in the medical field limitations correlated to their peptide nature, their inactivation by environmental pH, presence of salts, proteases, or other components have to be solved. Thus, these peptides may act as templates for the design of more potent and less toxic compounds.
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Affiliation(s)
- Annarita Falanga
- Department of Pharmacy, CIRPEB-University of Naples "Federico II", Via Mezzocannone 16, 80134 Napoli, Italy.
| | - Lucia Lombardi
- Department of Experimental Medicine, II University of Naples, Via De Crecchio 7, 80138 Napoli, Italy.
| | - Gianluigi Franci
- Department of Experimental Medicine, II University of Naples, Via De Crecchio 7, 80138 Napoli, Italy.
| | - Mariateresa Vitiello
- Department of Experimental Medicine, II University of Naples, Via De Crecchio 7, 80138 Napoli, Italy.
| | - Maria Rosaria Iovene
- Department of Experimental Medicine, II University of Naples, Via De Crecchio 7, 80138 Napoli, Italy.
| | - Giancarlo Morelli
- Department of Pharmacy, CIRPEB-University of Naples "Federico II", Via Mezzocannone 16, 80134 Napoli, Italy.
| | - Massimiliano Galdiero
- Department of Experimental Medicine, II University of Naples, Via De Crecchio 7, 80138 Napoli, Italy.
| | - Stefania Galdiero
- Department of Pharmacy, CIRPEB-University of Naples "Federico II", Via Mezzocannone 16, 80134 Napoli, Italy.
- John Felice Rome Center, Loyola University Chicago, Via Massimi 114, 00136 Roma, Italy.
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Solstad RG, Li C, Isaksson J, Johansen J, Svenson J, Stensvåg K, Haug T. Novel Antimicrobial Peptides EeCentrocins 1, 2 and EeStrongylocin 2 from the Edible Sea Urchin Echinus esculentus Have 6-Br-Trp Post-Translational Modifications. PLoS One 2016; 11:e0151820. [PMID: 27007817 PMCID: PMC4805251 DOI: 10.1371/journal.pone.0151820] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 03/06/2016] [Indexed: 12/18/2022] Open
Abstract
The global problem of microbial resistance to antibiotics has resulted in an urgent need to develop new antimicrobial agents. Natural antimicrobial peptides are considered promising candidates for drug development. Echinoderms, which rely on innate immunity factors in the defence against harmful microorganisms, are sources of novel antimicrobial peptides. This study aimed to isolate and characterise antimicrobial peptides from the Edible sea urchin Echinus esculentus. Using bioassay-guided purification and cDNA cloning, three antimicrobial peptides were characterised from the haemocytes of the sea urchin; two heterodimeric peptides and a cysteine-rich peptide. The peptides were named EeCentrocin 1 and 2 and EeStrongylocin 2, respectively, due to their apparent homology to the published centrocins and strongylocins isolated from the green sea urchin Strongylocentrotus droebachiensis. The two centrocin-like peptides EeCentrocin 1 and 2 are intramolecularly connected via a disulphide bond to form a heterodimeric structure, containing a cationic heavy chain of 30 and 32 amino acids and a light chain of 13 amino acids. Additionally, the light chain of EeCentrocin 2 seems to be N-terminally blocked by a pyroglutamic acid residue. The heavy chains of EeCentrocins 1 and 2 were synthesised and shown to be responsible for the antimicrobial activity of the natural peptides. EeStrongylocin 2 contains 6 cysteines engaged in 3 disulphide bonds. A fourth peptide (Ee4635) was also discovered but not fully characterised. Using mass spectrometric and NMR analyses, EeCentrocins 1 and 2, EeStrongylocin 2 and Ee4635 were all shown to contain post-translationally brominated Trp residues in the 6 position of the indole ring.
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Affiliation(s)
- Runar Gjerp Solstad
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway, Tromsø, Norway
| | - Chun Li
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway, Tromsø, Norway
| | - Johan Isaksson
- Department of Chemistry, the Faculty of Science and Technology, UiT The Arctic University of Norway, Tromsø, Norway
| | - Jostein Johansen
- Department of Chemistry, the Faculty of Science and Technology, UiT The Arctic University of Norway, Tromsø, Norway
| | - Johan Svenson
- Department of Chemistry, the Faculty of Science and Technology, UiT The Arctic University of Norway, Tromsø, Norway
| | - Klara Stensvåg
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway, Tromsø, Norway
| | - Tor Haug
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway, Tromsø, Norway
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48
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Jiang HS, Jia WM, Zhao XF, Wang JX. Four crustins involved in antibacterial responses in Marsupenaeus japonicus. FISH & SHELLFISH IMMUNOLOGY 2015; 43:387-395. [PMID: 25583545 DOI: 10.1016/j.fsi.2015.01.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Revised: 01/01/2015] [Accepted: 01/02/2015] [Indexed: 06/04/2023]
Abstract
Crustins are a family of cationic, cysteine-rich antimicrobial peptides with a whey acidic protein (WAP) domain in the C-terminal. They have diverse functions in antimicrobial immune responses. Four groups of crustins (crustins I, II, III, and IV) have been identified in crustaceans, but type I crustins have not been reported in penaeid shrimp until now. In this study, we identified four crustins in kuruma shrimp Marsupenaeus japonicus, and named them MjCrus I-2, 3, 4 and 5. These four crustins belong to type I crustins, which contain a signal peptide, cysteine-rich region at the N-terminus, and WAP domain at the C-terminus. Tissue distribution demonstrated that MjCrus I-2, 3 and 5 had high expression levels in hemocytes, gills and stomach. whereas MjCrus I-4 was distributed in all tissues detected. MjCrus I-2 to 5 showed different expression patterns in different tissues after Gram-positive bacterial (Staphylococcus aureus), Gram-negative bacterial (Vibrio anguillarum), and white spot syndrome virus (WSSV) challenge. The expression of MjCrus I-2 to 5 was upregulated by bacterial or WSSV challenge. The three crustins were recombinantly expressed in Escherichia coli, and the purified proteins showed few antimicrobial activities. Three MjCrus Is could bind to different bacteria. MjCrus I-2 and 3 showed different inhibitory abilities to secreted bacterial proteases. MjCrus I-4 could not inhibit bacterial proteases. After knockdown of MjCrus I-3, the bacterial scavenging ability to V. anguillarum was impaired. These results suggested that type I crustins played an important role in the innate immunity of shrimp.
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Affiliation(s)
- Hai-Shan Jiang
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Sciences, Shandong University, Jinan, Shandong 250100, China
| | - Wen-Ming Jia
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Sciences, Shandong University, Jinan, Shandong 250100, China
| | - Xiao-Fan Zhao
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Sciences, Shandong University, Jinan, Shandong 250100, China
| | - Jin-Xing Wang
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Sciences, Shandong University, Jinan, Shandong 250100, China.
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49
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Fredrick WS, Ravichandran S. Hemolymph proteins in marine crustaceans. Asian Pac J Trop Biomed 2015; 2:496-502. [PMID: 23569958 DOI: 10.1016/s2221-1691(12)60084-7] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2011] [Revised: 11/02/2011] [Accepted: 12/10/2011] [Indexed: 01/28/2023] Open
Abstract
This study is done with the aim to bring together the various antimicrobial peptides that are present in the crustacean hemolymph and their sources along with its characteristics. Invertebrates lack immune systems that involve antigen-antibody reactions and do not have an immune memory, therefore most invertebrate species show no evidence of acquired immunity. Crustaceans possess an open circulatory system, where nutrients, oxygen, hormones, and cells are distributed in the hemolymph. They lack adaptive immune system and rely exclusively on their innate immune mechanisms that include both cellular and humoral responses. Antimicrobial peptides and proteins form an important means of host defense in eukaryotes. In addition to their role as endogenous antibiotics, antimicrobial peptides have functions in inflammation, wound repair and regulation of the adaptive immune system. Over the past several years, many antimicrobial peptides have been found and characterized in crabs.
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Affiliation(s)
- W Sylvester Fredrick
- CAS in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai-608 502, Tamil Nadu, India
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50
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Tassanakajon A, Somboonwiwat K, Amparyup P. Sequence diversity and evolution of antimicrobial peptides in invertebrates. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2015; 48:324-341. [PMID: 24950415 DOI: 10.1016/j.dci.2014.05.020] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 05/29/2014] [Accepted: 05/31/2014] [Indexed: 06/03/2023]
Abstract
Antimicrobial peptides (AMPs) are evolutionarily ancient molecules that act as the key components in the invertebrate innate immunity against invading pathogens. Several AMPs have been identified and characterized in invertebrates, and found to display considerable diversity in their amino acid sequence, structure and biological activity. AMP genes appear to have rapidly evolved, which might have arisen from the co-evolutionary arms race between host and pathogens, and enabled organisms to survive in different microbial environments. Here, the sequence diversity of invertebrate AMPs (defensins, cecropins, crustins and anti-lipopolysaccharide factors) are presented to provide a better understanding of the evolution pattern of these peptides that play a major role in host defense mechanisms.
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Affiliation(s)
- Anchalee Tassanakajon
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Kunlaya Somboonwiwat
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Piti Amparyup
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Paholyothin Road, Klong 1, Klong Luang, Pathumthani 12120, Thailand
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