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Cui C, Tang X, Xing J, Sheng X, Chi H, Zhan W. Single-cell RNA-seq revealed heterogeneous responses and functional differentiation of hemocytes against white spot syndrome virus infection in Litopenaeus vannamei. J Virol 2024; 98:e0180523. [PMID: 38323810 PMCID: PMC10949519 DOI: 10.1128/jvi.01805-23] [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: 11/17/2023] [Accepted: 01/12/2024] [Indexed: 02/08/2024] Open
Abstract
Shrimp hemocytes are the vital immune cells participating in innate immune response to defend against viruses. However, the lack of specific molecular markers for shrimp hemocyte hindered the insightful understanding of their functional clusters and differential roles in combating microbial infections. In this study, we used single-cell RNA sequencing to map the transcriptomic landscape of hemocytes from the white spot syndrome virus (WSSV)-infected Litopenaeus vannamei and conjointly analyzed with our previous published single-cell RNA sequencing technology data from the healthy hemocytes. A total of 16 transcriptionally distinct cell clusters were identified, which occupied different proportions in healthy and WSSV-infected hemocytes and exerted differential roles in antiviral immune response. Following mapping of the sequencing data to the WSSV genome, we found that all types of hemocytes could be invaded by WSSV virions, especially the cluster 8, which showed the highest transcriptional levels of WSSV genes and exhibited a cell type-specific antiviral response to the viral infection. Further evaluation of the cell clusters revealed the delicate dynamic balance between hemocyte immune response and viral infestation. Unsupervised pseudo-time analysis of hemocytes showed that the hemocytes in immune-resting state could be significantly activated upon WSSV infection and then functionally differentiated to different hemocyte subsets. Collectively, our results revealed the differential responses of shrimp hemocytes and the process of immune-functional differentiation post-WSSV infection, providing essential resource for the systematic insight into the synergistic immune response mechanism against viral infection among hemocyte subtypes. IMPORTANCE Current knowledge of shrimp hemocyte classification mainly comes from morphology, which hinder in-depth characterization of cell lineage development, functional differentiation, and different immune response of hemocyte types during pathogenic infections. Here, single-cell RNA sequencing was used for mapping hemocytes during white spot syndrome virus (WSSV) infection in Litopenaeus vannamei, identifying 16 cell clusters and evaluating their potential antiviral functional characteristics. We have described the dynamic balance between viral infestation and hemocyte immunity. And the functional differentiation of hemocytes under WSSV stimulation was further characterized. Our results provided a comprehensive transcriptional landscape and revealed the heterogeneous immune response in shrimp hemocytes during WSSV infection.
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Affiliation(s)
- Chuang Cui
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, Qingdao, China
| | - Xiaoqian Tang
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, Qingdao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Jing Xing
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, Qingdao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Xiuzhen Sheng
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, Qingdao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Heng Chi
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, Qingdao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Wenbin Zhan
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Ocean University of China, Qingdao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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Mengal K, Kor G, Kouba A, Kozák P, Niksirat H. Hemocyte coagulation and phagocytic behavior in early stages of injury in crayfish (Arthropoda: Decapoda) affect their morphology. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 141:104618. [PMID: 36526080 DOI: 10.1016/j.dci.2022.104618] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/12/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Crustacean hemocytes are important mediators of immune functions such as coagulation and phagocytosis. We employed an in situ approach to investigate the ultrastructural behavior of hemocytes during coagulation and phagocytosis in the early stages after injury caused by leg amputation, using transmission electron microscopy technique in marbled crayfish Procambarus virginalis. Hemocytes underwent drastic morphological changes during coagulation. The morphology of the cytoplasmic granules changed from electron-dense to electron-lucent forms in an expanding manner. The transformed granules containing amorphous electron-lucent material were observed to merge and discharge their contents into extracellular space for coagulation. We also observed that the contents of the nucleus participate in the process of coagulation. In addition, leg amputation induced extensive muscle degeneration and necrotic tissues were avidly taken up by the phagocytic hemocytes containing distinct phagosomes. Interestingly, we observed for the first time how the digested contents of phagocytized necrotic tissues are incorporated into granules and other cellular components that change the cell morphology by increasing the granularity of the hemocytes. Nevertheless, the degranulation of hemocytes during coagulation can also reduce their granularity. Given that morphological traits are important criteria for hemocyte classification, these morphological changes that occur during coagulation and phagocytosis must be taken into account.
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Affiliation(s)
- Kifayatullah Mengal
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, 389 25, Vodňany, Czech Republic
| | - Golara Kor
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, 389 25, Vodňany, Czech Republic
| | - Antonín Kouba
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, 389 25, Vodňany, Czech Republic
| | - Pavel Kozák
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, 389 25, Vodňany, Czech Republic
| | - Hamid Niksirat
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, 389 25, Vodňany, Czech Republic.
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Wang F, Yang Z, Li J, Ma Y, Tu Y, Zeng X, Wang Q, Jiang Y, Huang S, Yi Q. The involvement of hypoxia inducible factor-1α on the proportion of three types of haemocytes in Chinese mitten crab under hypoxia stress. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 140:104598. [PMID: 36511346 DOI: 10.1016/j.dci.2022.104598] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
Hypoxia triggers diverse cell physiological processes, and the hypoxia inducible factors (HIFs) are a family of heterodimeric transcription factors that function as master regulators to respond to hypoxia in different cells. However, the knowledge about the hypoxic responses especially cell alteration mediated by HIFs under hypoxia stress is still limited in crustaceans. In the present study, a hypoxia-inducible factor-1α (HIF-1α) gene was identified (designed as EsHIF-1α). The relative mRNA expression level of EsHIF-1α was highest in hyalinocytes and lowest in granulocytes among three types of haemocytes in crabs. Hypoxia could significantly increase the EsHIF-1α protein expression level in haemocytes. Meanwhile, the proportion of hyalinocytes began to increase from 3 h post hypoxia treatment, and reached the highest level at 24 h. However, the opposite variation in proportion of granulocytes was observed under hypoxia stress. Further investigation showed that the inhibition of EsHIF-1α induced by KC7F2 (HIF-1α inhibitor) could lead to the significant decrease in the proportion of hyalinocytes under hypoxia stress, and also resulted in an increase of granulocytes proportion. While, after EsHIF-1α was activated by IOX4 (HIF-1α activator), the proportion of hyalinocytes was significantly up-regulated and the proportion of granulocytes was significantly down-regulated under post hypoxia treatment. These results collectively suggested that EsHIF-1α was involved in the regulation of proportion of three types of haemocytes induced by hypoxia stress, which provided vital insight into the understanding of the crosstalk between hypoxia and cell development in invertebrates.
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Affiliation(s)
- Fengchi Wang
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Zhichao Yang
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Jiaming Li
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Yuhan Ma
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Yuhan Tu
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Xiaorui Zeng
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Qingyao Wang
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Yusheng Jiang
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China
| | - Shu Huang
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China.
| | - Qilin Yi
- College of Aquaculture and Life Science, Dalian Ocean University, Dalian, 11026, China.
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Inhibition of Transglutaminase 2 as a Therapeutic Strategy in Celiac Disease-In Vitro Studies in Intestinal Cells and Duodenal Biopsies. Int J Mol Sci 2023; 24:ijms24054795. [PMID: 36902226 PMCID: PMC10002517 DOI: 10.3390/ijms24054795] [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: 12/30/2022] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023] Open
Abstract
Enzymatic modification of gliadin peptides by human transglutaminase 2 (TG2) is a key mechanism in the pathogenesis of celiac disease (CD) and represents a potential therapeutic target. Recently, we have identified the small oxidative molecule PX-12 as an effective inhibitor of TG2 in vitro. In this study, we further investigated the effect of PX-12 and the established active-site directed inhibitor ERW1041 on TG2 activity and epithelial transport of gliadin peptides. We analyzed TG2 activity using immobilized TG2, Caco-2 cell lysates, confluent Caco-2 cell monolayers and duodenal biopsies from CD patients. TG2-mediated cross-linking of pepsin-/trypsin-digested gliadin (PTG) and 5BP (5-biotinamidopentylamine) was quantified by colorimetry, fluorometry and confocal microscopy. Cell viability was tested with a resazurin-based fluorometric assay. Epithelial transport of promofluor-conjugated gliadin peptides P31-43 and P56-88 was analyzed by fluorometry and confocal microscopy. PX-12 reduced TG2-mediated cross-linking of PTG and was significantly more effective than ERW1041 (10 µM, 15 ± 3 vs. 48 ± 8%, p < 0.001). In addition, PX-12 inhibited TG2 in cell lysates obtained from Caco-2 cells more than ERW1041 (10 µM; 12 ± 7% vs. 45 ± 19%, p < 0.05). Both substances inhibited TG2 comparably in the intestinal lamina propria of duodenal biopsies (100 µM, 25 ± 13% vs. 22 ± 11%). However, PX-12 did not inhibit TG2 in confluent Caco-2 cells, whereas ERW1041 showed a dose-dependent effect. Similarly, epithelial transport of P56-88 was inhibited by ERW1041, but not by PX-12. Cell viability was not negatively affected by either substance at concentrations up to 100 µM. PX-12 did not reduce TG2 activity or gliadin peptide transport in confluent Caco-2 cells. This could be caused by rapid inactivation or degradation of the substance in the Caco-2 cell culture. Still, our in vitro data underline the potential of the oxidative inhibition of TG2. The fact that the TG2-specific inhibitor ERW1041 reduced the epithelial uptake of P56-88 in Caco-2 cells further strengthens the therapeutic potential of TG2 inhibitors in CD.
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Adegoke A, Ribeiro JMC, Brown S, Smith RC, Karim S. Rickettsia parkeri hijacks tick hemocytes to manipulate cellular and humoral transcriptional responses. Front Immunol 2023; 14:1094326. [PMID: 36845157 PMCID: PMC9950277 DOI: 10.3389/fimmu.2023.1094326] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 01/16/2023] [Indexed: 02/12/2023] Open
Abstract
Introduction Blood-feeding arthropods rely on robust cellular and humoral immunity to control pathogen invasion and replication. Tick hemocytes produce factors that can facilitate or suppress microbial infection and pathogenesis. Despite the importance of hemocytes in regulating microbial infection, understanding of their basic biology and molecular mechanisms remains limited. Methods Here we combined histomorphology and functional analysis to identify five distinct phagocytic and non-phagocytic hemocyte populations circulating within the Gulf Coast tick Amblyomma maculatum. Results and discussion Depletion of phagocytic hemocytes using clodronate liposomes revealed their function in eliminating bacterial infection. We provide the first direct evidence that an intracellular tick-borne pathogen, Rickettsia parkeri, infects phagocytic hemocytes in Am. maculatum to modify tick cellular immune responses. A hemocyte-specific RNA-seq dataset generated from hemocytes isolated from uninfected and R. parkeri-infected partially blood-fed ticks generated ~40,000 differentially regulated transcripts, >11,000 of which were immune genes. Silencing two differentially regulated phagocytic immune marker genes (nimrod B2 and eater-two Drosophila homologs), significantly reduced hemocyte phagocytosis. Conclusion Together, these findings represent a significant step forward in understanding how hemocytes regulate microbial homeostasis and vector competence.
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Affiliation(s)
- Abdulsalam Adegoke
- School of Biological, Environmental, and Earth Sciences, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Jose M. C. Ribeiro
- Vector Biology Section, Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, United States
| | - Sidney Brown
- School of Biological, Environmental, and Earth Sciences, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Ryan C. Smith
- Department of Plant Pathology, Entomology, and Microbiology, Iowa State University, Ames, IA, United States
| | - Shahid Karim
- School of Biological, Environmental, and Earth Sciences, The University of Southern Mississippi, Hattiesburg, MS, United States
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6
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Cui C, Tang X, Xing J, Sheng X, Chi H, Zhan W. Single-cell RNA-seq uncovered hemocyte functional subtypes and their differentiational characteristics and connectivity with morphological subpopulations in Litopenaeus vannamei. Front Immunol 2022; 13:980021. [PMID: 36177045 PMCID: PMC9513592 DOI: 10.3389/fimmu.2022.980021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/22/2022] [Indexed: 12/01/2022] Open
Abstract
Hemocytes play central roles in shrimp immune system, whereas whose subclasses have not yet been completely defined. At present, the morphological classification of hemocytes is inadequate to classify the complete hemocyte repertoire and elucidate the functions and differentiation and maturation processes. Based on single-cell RNA sequencing (scRNA-seq) of hemocytes in healthy Litopenaeus vannamei, combined with RNA-FISH and flow cytometric sorting, we identified three hemocyte clusters including TGase+ cells, CTL+ cells and Crustin+ cells, and further determined their functional properties, potential differentiation trajectory and correspondence with morphological subpopulations. The TGase+ cells were mainly responsible for the coagulation, exhibiting distinguishable characteristics of hyalinocyte, and appeared to be developmentally arrested at an early stage of hemocyte differentiation. The CTL+ cells and Crustin+ cells arrested at terminal stages of differentiation mainly participated in recognizing foreign pathogens and initiating immune defense responses, owning distinctive features of granule-containing hemocytes. Furthermore, we have revealed the functional sub-clusters of three hemocyte clusters and their potential differentiation pathways according to the expression of genes involved in cell cycle, cell differentiation and immune response, and the successive differentiation and maturation of hyalinocytes to granule-containing hemocytes have also mapped. The results revealed the diversity of shrimp hemocytes and provide new theoretical rationale for hemocyte classification, which also facilitate systematic research on crustacean immunity.
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Affiliation(s)
- Chuang Cui
- Laboratory of Pathology and Immunology of Aquatic Animals, The Key Laboratory of Mariculture, Ministry of Education (KLMME), Ocean University of China, Qingdao, China
| | - Xiaoqian Tang
- Laboratory of Pathology and Immunology of Aquatic Animals, The Key Laboratory of Mariculture, Ministry of Education (KLMME), Ocean University of China, Qingdao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Jing Xing
- Laboratory of Pathology and Immunology of Aquatic Animals, The Key Laboratory of Mariculture, Ministry of Education (KLMME), Ocean University of China, Qingdao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Xiuzhen Sheng
- Laboratory of Pathology and Immunology of Aquatic Animals, The Key Laboratory of Mariculture, Ministry of Education (KLMME), Ocean University of China, Qingdao, China
| | - Heng Chi
- Laboratory of Pathology and Immunology of Aquatic Animals, The Key Laboratory of Mariculture, Ministry of Education (KLMME), Ocean University of China, Qingdao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Wenbin Zhan
- Laboratory of Pathology and Immunology of Aquatic Animals, The Key Laboratory of Mariculture, Ministry of Education (KLMME), Ocean University of China, Qingdao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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7
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Yan Y, Ramakrishnan A, Estévez-Lao TY, Hillyer JF. Transglutaminase 3 negatively regulates immune responses on the heart of the mosquito, Anopheles gambiae. Sci Rep 2022; 12:6715. [PMID: 35468918 PMCID: PMC9038791 DOI: 10.1038/s41598-022-10766-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 04/04/2022] [Indexed: 11/09/2022] Open
Abstract
The immune and circulatory systems of insects are functionally integrated. Following infection, immune cells called hemocytes aggregate around the ostia (valves) of the heart. An earlier RNA sequencing project in the African malaria mosquito, Anopheles gambiae, revealed that the heart-associated hemocytes, called periostial hemocytes, express transglutaminases more highly than hemocytes elsewhere in the body. Here, we further queried the expression of these transglutaminase genes and examined whether they play a role in heart-associated immune responses. We found that, in the whole body, injury upregulates the expression of TGase2, whereas infection upregulates TGase1, TGase2 and TGase3. RNAi-based knockdown of TGase1 and TGase2 did not alter periostial hemocyte aggregation, but knockdown of TGase3 increased the number of periostial hemocytes during the early stages of infection and the sequestration of melanin by periostial hemocytes during the later stages of infection. In uninfected mosquitoes, knockdown of TGase3 also slightly reduced the number of sessile hemocytes outside of the periostial regions. Taken altogether, these data show that TGase3 negatively regulates periostial hemocyte aggregation, and we hypothesize that this occurs by negatively regulating the immune deficiency pathway and by altering hemocyte adhesion. In conclusion, TGase3 is involved in the functional integration between the immune and circulatory systems of mosquitoes.
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8
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Recent insights into hematopoiesis in crustaceans. FISH AND SHELLFISH IMMUNOLOGY REPORTS 2021; 2:100040. [DOI: 10.1016/j.fsirep.2021.100040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 11/13/2021] [Accepted: 11/15/2021] [Indexed: 12/12/2022] Open
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9
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Li F, Zheng Z, Li H, Fu R, Xu L, Yang F. Crayfish hemocytes develop along the granular cell lineage. Sci Rep 2021; 11:13099. [PMID: 34162929 PMCID: PMC8222279 DOI: 10.1038/s41598-021-92473-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 06/09/2021] [Indexed: 01/21/2023] Open
Abstract
Despite the central role of hemocytes in crustacean immunity, the process of hemocyte differentiation and maturation remains unclear. In some decapods, it has been proposed that the two main types of hemocytes, granular cells (GCs) and semigranular cells (SGCs), differentiate along separate lineages. However, our current findings challenge this model. By tracking newly produced hemocytes and transplanted cells, we demonstrate that almost all the circulating hemocytes of crayfish belong to the GC lineage. SGCs and GCs may represent hemocytes of different developmental stages rather than two types of fully differentiated cells. Hemocyte precursors produced by progenitor cells differentiate in the hematopoietic tissue (HPT) for 3 ~ 4 days. Immature hemocytes are released from HPT in the form of SGCs and take 1 ~ 3 months to mature in the circulation. GCs represent the terminal stage of development. They can survive for as long as 2 months. The changes in the expression pattern of marker genes during GC differentiation support our conclusions. Further analysis of hemocyte phagocytosis indicates the existence of functionally different subpopulations. These findings may reshape our understanding of crustacean hematopoiesis and may lead to reconsideration of the roles and relationship of circulating hemocytes.
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Affiliation(s)
- Fang Li
- Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, 184# Daxue Road, Xiamen, 361005, China. .,Fujian Key Laboratory of Marine Genetic Resources, Xiamen, 361005, China.
| | - Zaichao Zheng
- Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, 184# Daxue Road, Xiamen, 361005, China
| | - Hongyu Li
- Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, 184# Daxue Road, Xiamen, 361005, China
| | - Rongrong Fu
- Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, 184# Daxue Road, Xiamen, 361005, China
| | - Limei Xu
- Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, 184# Daxue Road, Xiamen, 361005, China.,Fujian Key Laboratory of Marine Genetic Resources, Xiamen, 361005, China
| | - Feng Yang
- Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, 184# Daxue Road, Xiamen, 361005, China. .,Fujian Key Laboratory of Marine Genetic Resources, Xiamen, 361005, China.
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10
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Koiwai K, Koyama T, Tsuda S, Toyoda A, Kikuchi K, Suzuki H, Kawano R. Single-cell RNA-seq analysis reveals penaeid shrimp hemocyte subpopulations and cell differentiation process. eLife 2021; 10:e66954. [PMID: 34132195 PMCID: PMC8266392 DOI: 10.7554/elife.66954] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 06/15/2021] [Indexed: 01/03/2023] Open
Abstract
Crustacean aquaculture is expected to be a major source of fishery commodities in the near future. Hemocytes are key players of the immune system in shrimps; however, their classification, maturation, and differentiation are still under debate. To date, only discrete and inconsistent information on the classification of shrimp hemocytes has been reported, showing that the morphological characteristics are not sufficient to resolve their actual roles. Our present study using single-cell RNA sequencing revealed six types of hemocytes of Marsupenaeus japonicus based on their transcriptional profiles. We identified markers of each subpopulation and predicted the differentiation pathways involved in their maturation. We also predicted cell growth factors that might play crucial roles in hemocyte differentiation. Different immune roles among these subpopulations were suggested from the analysis of differentially expressed immune-related genes. These results provide a unified classification of shrimp hemocytes, which improves the understanding of its immune system.
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Affiliation(s)
- Keiichiro Koiwai
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and TechnologyKoganeiJapan
- Laboratory of Genome Science, Tokyo University of Marine Science and TechnologyMinatoJapan
| | - Takashi Koyama
- Fisheries Laboratory, Graduate School of Agricultural and Life Sciences, The University of TokyoHamamatsuJapan
- Graduate School of Fisheries and Environmental Sciences, Nagasaki UniversityNagasakiJapan
| | | | - Atsushi Toyoda
- Advanced Genomics Center, National Institute of GeneticsMishimaJapan
| | - Kiyoshi Kikuchi
- Fisheries Laboratory, Graduate School of Agricultural and Life Sciences, The University of TokyoHamamatsuJapan
| | - Hiroaki Suzuki
- Department of Precision Mechanics, Faculty of Science and Engineering, Chuo UniversityBunkyoJapan
| | - Ryuji Kawano
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and TechnologyKoganeiJapan
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11
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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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12
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Thansa K, Kruangkum T, Pudgerd A, Chaichandee L, Amparyup P, Suebsing R, Chotwiwatthanakun C, Vanichviriyakit R, Sritunyalucksana K. Establishment of hematopoietic tissue primary cell cultures from the giant freshwater prawn Macrobrachium rosenbergii. Cytotechnology 2021; 73:141-157. [PMID: 33927472 DOI: 10.1007/s10616-021-00451-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 01/10/2021] [Indexed: 10/22/2022] Open
Abstract
The giant freshwater prawn Macrobrachium rosenbergii is one of the most important aquaculture species in Southeast Asia. In this study, in vitro culture of its hematopoietic tissue cells was achieved and characterized for use as a tool to study its pathogens that cause major farm losses. By transmission electron microscopy, the ultrastructure of the primary culture cells was similar to that of cells lining intact hematopoietic tissue lobes. Proliferating cell nuclear antigen (PCNA) (a marker for hematopoietic stem cell proliferation) was detected in some of the cultured cells by polymerase chain reaction (PCR) testing and flow cytometry. Using a specific staining method to detect phenoloxidase activity and using PCR to detect expression markers for semigranular and granular hemocytes (e.g., prophenoloxidase activating enzyme and prophenoloxidase) revealed that some of the primary cells were able to differentiate into mature hemocytes within 24 h. These results showed that some cells in the cultures were hematopoietic stem cells that could be used to study other interesting research topics (e.g. host pathogen interactions and development of an immortal hematopoietic stem cell line).
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Affiliation(s)
- Kwanta Thansa
- Aquatic Animal Health Research Team (AQHT), Integrative Aquaculture Biotechnology Research Group (AAQG), National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Yothi Office, Rama VI Road, Ratchathewi, Bangkok, 10400 Thailand
| | - Thanapong Kruangkum
- Department of Anatomy, Faculty of Science, Mahidol University, Rama VI Road, Ratchathewi, Bangkok, 10400 Thailand.,Faculty of Science, Center of Excellence for Shrimp Molecular Biology and Biotechnology (CENTEX Shrimp), Mahidol University, Rama VI Road, Ratchathewi, Bangkok, 10400 Thailand
| | - Arnon Pudgerd
- Faculty of Science, Center of Excellence for Shrimp Molecular Biology and Biotechnology (CENTEX Shrimp), Mahidol University, Rama VI Road, Ratchathewi, Bangkok, 10400 Thailand.,Division of Anatomy, School of Medical Science, University of Phayao, 19 Moo 2, Maeka, Muang, Phayao, 56000 Thailand
| | - Lamai Chaichandee
- Faculty of Science, Center of Excellence for Shrimp Molecular Biology and Biotechnology (CENTEX Shrimp), Mahidol University, Rama VI Road, Ratchathewi, Bangkok, 10400 Thailand
| | - Piti Amparyup
- Marine Biotechnology Research Team (AMBT), Integrative Aquaculture Biotechnology Research Group (AAQG), National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Phayathai Road, Ratchathewi, Bangkok, 10330 Thailand.,Faculty of Science, The Center of Excellence for Marine Biotechnology, Chulalongkorn University, Phayathai Road, Wang Mai, Pathumwan, Bangkok, 10330 Thailand
| | - Rungkarn Suebsing
- Aquatic Animal Health Research Team (AQHT), Integrative Aquaculture Biotechnology Research Group (AAQG), National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Yothi Office, Rama VI Road, Ratchathewi, Bangkok, 10400 Thailand
| | - Charoonroj Chotwiwatthanakun
- Faculty of Science, Center of Excellence for Shrimp Molecular Biology and Biotechnology (CENTEX Shrimp), Mahidol University, Rama VI Road, Ratchathewi, Bangkok, 10400 Thailand.,Mahidol University, Nakhonsawan Campus, Phayuha Khiri, Nakhonsawan, 60130 Thailand
| | - Rapeepun Vanichviriyakit
- Department of Anatomy, Faculty of Science, Mahidol University, Rama VI Road, Ratchathewi, Bangkok, 10400 Thailand.,Faculty of Science, Center of Excellence for Shrimp Molecular Biology and Biotechnology (CENTEX Shrimp), Mahidol University, Rama VI Road, Ratchathewi, Bangkok, 10400 Thailand
| | - Kallaya Sritunyalucksana
- Aquatic Animal Health Research Team (AQHT), Integrative Aquaculture Biotechnology Research Group (AAQG), National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Yothi Office, Rama VI Road, Ratchathewi, Bangkok, 10400 Thailand
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13
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Coates CJ, Söderhäll K. The stress–immunity axis in shellfish. J Invertebr Pathol 2020; 186:107492. [DOI: 10.1016/j.jip.2020.107492] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 10/06/2020] [Accepted: 10/12/2020] [Indexed: 12/16/2022]
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14
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Junkunlo K, Söderhäll K, Söderhäll I. Transglutaminase 1 and 2 are localized in different blood cells in the freshwater crayfish Pacifastacus leniusculus. FISH & SHELLFISH IMMUNOLOGY 2020; 104:83-91. [PMID: 32479868 DOI: 10.1016/j.fsi.2020.05.062] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 05/19/2020] [Accepted: 05/23/2020] [Indexed: 06/11/2023]
Abstract
In the present study we show that hemocytes in the freshwater crayfish Pacifastacus leniusculus express two different transglutaminases. We describe the sequence of a previously unknown TGase (Pl_TGase1) and named this as Pl_TGase2 and compared this sequence with similar sequences from other crustaceans. The catalytic core domain is similar to the previously described TGase in P. leniusculus, but Pl_TGase2 has significant differences in the N-terminal and C-terminal domains. Further, we show conclusive evidences that these different transglutaminases are specific for different hemocyte types so that Pl_TGase1 is expressed in the hematopoietic tissue and in the cytoplasm of semigranular hemocytes, while Pl_TGase2 is expressed in vesicles in the granular hemocytes. By in situ hybridization we show that both Pl_TGase1 and Pl_TGase2 mRNA are present only in a subset of the respective hemocyte population. This observation indicates that there may be different subtypes of semigranular as well as granular hemocytes which may have different specific functions.
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Affiliation(s)
- Kingkamon Junkunlo
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18 A, SE 752 36, Uppsala, Sweden
| | - Kenneth Söderhäll
- Science for Life Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden
| | - Irene Söderhäll
- Science for Life Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden.
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15
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Sirikharin R, Söderhäll K, Söderhäll I. The N-terminal peptide generated after activation of prophenoloxidase affects crayfish hematopoiesis. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 108:103687. [PMID: 32220618 DOI: 10.1016/j.dci.2020.103687] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/19/2020] [Accepted: 03/19/2020] [Indexed: 06/10/2023]
Abstract
The circulating hemocytes of invertebrates are important mediators of immunity, and hemocyte homeostasis is of high importance for survival and health of crustaceans. The prophenoloxidase (proPO)-activating system is one of the most essential immune reactions, which can be activated by pattern recognition proteins from microorganisms. Activation of proPO by the proPO activating enzyme generates an N-terminal peptide, with cleavage site after Arg176, as well as the active enzyme phenoloxidase, which is the key enzyme for melanization. In the present study we demonstrate a role for the N-terminal proPO-peptide in hematopoiesis. Injection of this proPO-peptide increased the number of circulating hemocytes and especially granular hemocytes. We also show that the reactive oxygen species (ROS) production in the anterior proliferative center was enhanced after proPO peptide injection, which is a prerequisite for rapid hemocyte release from the hematopoietic tissue. Moreover, this peptide had an effect on ROS production in in vitro cultured hematopoietic cells and induced spreading of these cells within 72 h. Taken together, our findings show a role of the N-terminal proPO peptide in stimulation of hematopoiesis in crayfish, Pacifastacus leniusculus.
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Affiliation(s)
- Ratchanok Sirikharin
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18 A, SE752 36, Uppsala, Sweden
| | - Kenneth Söderhäll
- Science for Life Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden
| | - Irene Söderhäll
- Science for Life Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden.
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16
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Boonchuen P, Maralit BA, Jaree P, Tassanakajon A, Somboonwiwat K. MicroRNA and mRNA interactions coordinate the immune response in non-lethal heat stressed Litopenaeus vannamei against AHPND-causing Vibrio parahaemolyticus. Sci Rep 2020; 10:787. [PMID: 31964916 PMCID: PMC6972907 DOI: 10.1038/s41598-019-57409-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 12/30/2019] [Indexed: 11/09/2022] Open
Abstract
While Vibrio parahaemolyticus (VPAHPND) has been identified as the cause of early mortality syndrome (EMS) or acute hepatopancreatic necrosis disease (AHPND) in shrimp, mechanisms of host response remain unknown. Understanding these processes is important to improve farming practices because this understanding will help to develop methods to enhance shrimp immunity. Pre-treatment of shrimp with 5-minute chronic non-lethal heat stress (NLHS) for 7 days was found to significantly increase Litopenaeus vannamei survival against VPAHPND infection. To elucidate the mechanism involved, mRNA and miRNA expression profiles from the hemocyte of L. vannamei challenged with VPAHPND after NLHS with corresponding control conditions were determined by RNA-Seq. A total of 2,664 mRNAs and 41 miRNAs were differentially expressed after the NLHS treatment and VPAHPND challenge. A miRNA-mRNA regulatory network of differentially expressed miRNAs (DEMs) and differentially expressed genes (DEGs) was subsequently constructed and the interactions of DEMs in regulating the NLHS-induced immune-related pathways were identified. Transcriptomic data revealed that miRNA and mRNA interactions contribute to the modulation of NLHS-induced immune responses, such as the prophenoloxidase-activating system, hemocyte homeostasis, and antimicrobial peptide production, and these responses enhance VPAHPND resistance in L. vannamei.
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Affiliation(s)
- Pakpoom Boonchuen
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Benedict A Maralit
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.,Philippine Genome Center, University of the Philippines, Diliman, Quezon City, Philippines.,National Institute of Molecular Biology and Biotechnology, College of Science, University of the Philippines, Diliman, Quezon City, Philippines
| | - Phattarunda Jaree
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.,Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom, Thailand
| | - Anchalee Tassanakajon
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.,Omics Science and Bioinformatics Center, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Kunlaya Somboonwiwat
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand. .,Omics Science and Bioinformatics Center, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.
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17
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Roy S, Kumar V, Bossier P, Norouzitallab P, Vanrompay D. Phloroglucinol Treatment Induces Transgenerational Epigenetic Inherited Resistance Against Vibrio Infections and Thermal Stress in a Brine Shrimp ( Artemia franciscana) Model. Front Immunol 2019; 10:2745. [PMID: 31827471 PMCID: PMC6890837 DOI: 10.3389/fimmu.2019.02745] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 11/08/2019] [Indexed: 01/05/2023] Open
Abstract
Emerging, infectious diseases in shrimp like acute hepatopancreatic necrosis disease (AHPND) caused by Vibrio parahaemolyticus and mortality caused by other Vibrio species such as Vibrio harveyi are worldwide related to huge economic losses in industrial shrimp production. As a strategy to prevent disease outbreaks, a plant-based phenolic compound could be used as a biocontrol agent. Here, using the brine shrimp (Artemia franciscana) as a model system, we showed that phloroglucinol treatment of the parental animals at early life stages resulted in transgenerational inherited increased resistance in their progeny against biotic stress, i.e., bacteria (V. parahaemolyticus AHPND strain and V. harveyi) and abiotic stress, i.e., lethal heat shock. Increased resistance was recorded in three subsequent generations. Innate immune-related gene expression profiles and potential epigenetic mechanisms were studied to discover the underlying protective mechanisms. Our results showed that phloroglucinol treatment of the brine shrimp parents significantly (P < 0.05) enhanced the expression of a core set of innate immune genes (DSCAM, proPO, PXN, HSP90, HSP70, and LGBP) in subsequent generations. We also demonstrated that epigenetic mechanisms such as DNA methylation, m6A RNA methylation, and histone acetylation and methylation (active chromatin marker i.e., H3K4Me3, H3K4me1, H3K27me1, H3 hyperacetylation, H3K14ac and repression marker, i.e., H3K27me3, H4 hypoacetylation) might play a role in regulation of gene expression leading toward the observed transgenerational inheritance of the resistant brine shrimp progenies. To our knowledge, this is the first report on transgenerational inheritance of a compound-induced robust protected phenotype in brine shrimp, particularly protected against AHPND caused by V. parahaemolyticus and vibriosis caused by V. harveyi. Results showed that epigenetic reprogramming is likely to play a role in the underlying mechanism.
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Affiliation(s)
- Suvra Roy
- Laboratory of Immunology and Animal Biotechnology, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, India
| | - Vikash Kumar
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, India
| | - Peter Bossier
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Parisa Norouzitallab
- Laboratory of Immunology and Animal Biotechnology, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Daisy Vanrompay
- Laboratory of Immunology and Animal Biotechnology, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
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18
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Sirikharin R, Noonin C, Junkunlo K, Söderhäll K, Söderhäll I. Astakine1 forms protein complex in plasma. FISH & SHELLFISH IMMUNOLOGY 2019; 94:66-71. [PMID: 31465872 DOI: 10.1016/j.fsi.2019.08.063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 08/07/2019] [Accepted: 08/24/2019] [Indexed: 06/10/2023]
Abstract
Astakine 1 is a small cytokine-like peptide which is directly involved in hematopoiesis in crustaceans. Astakines are present in many different invertebrate groups primarily in arthropods. In this study we found that astakine1 was present as a high molecular weight (HMW) complex in plasma. It is known that calcium concentration are fluctuating in several crustaceans especially during the molting process. This HMW-complex was formed under low calcium concentrations in plasma and could be partially reversed provided calcium was added. The biological function of the naïve astakine1 and that in the HMW complex was about the same, but if the protein is to be isolated or studied for its function it is important to know about this property of astakine1 which may previously have hampered isolation and functional studies in other animals than freshwater crayfish.
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Affiliation(s)
- Ratchanok Sirikharin
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18 A, SE752 36, Uppsala, Sweden
| | - Chadanat Noonin
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18 A, SE752 36, Uppsala, Sweden
| | - Kingkamon Junkunlo
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18 A, SE752 36, Uppsala, Sweden
| | - Kenneth Söderhäll
- Science for Life Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden
| | - Irene Söderhäll
- Science for Life Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden.
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19
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Tran NT, Wan W, Kong T, Tang X, Zhang D, Gong Y, Zheng H, Ma H, Zhang Y, Li S. SpTGase plays an important role in the hemolymph clotting in mud crab (Scylla paramamosain). FISH & SHELLFISH IMMUNOLOGY 2019; 89:326-336. [PMID: 30974215 DOI: 10.1016/j.fsi.2019.04.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 03/17/2019] [Accepted: 04/03/2019] [Indexed: 06/09/2023]
Abstract
Transglutaminase (TGase) is important in blood coagulation, a conserved immunological defense mechanism among invertebrates. This study is the first report of the TGase in mud crab (Scylla paramamosain) (SpTGase) with a 2304 bp ORF encoding 767 amino acids (molecular weight 85.88 kDa). SpTGase is acidic, hydrophilic, stable and thermostable, containing three transglutaminase domains, one TGase/protease-like homolog domain (TGc), one integrin-binding motif (Arg270, Gly271, Asp272) and three catalytic sites (Cys333, His401, Asp424) within the TGc. Neither a signal peptide nor a transmembrane domain was found, and the random coil is dominant in the secondary structure of SpTGase. Phylogenetic analysis revealed a close relation between SpTGase to its homolog EsTGase 1 from Chinese mitten crab (Eriocheir sinensis). Expression of SpTGase was investigated using qRT-PCR (1) in eight tissues from healthy mud crabs, with the highest expression in hemocytes, and (2) in response to various immune challenges (Vibrio parahaemolyticus, lipopolysaccharide (LPS) or Poly I:C infection), revealing a major up-regulation in hemocytes, skin, and hepatopancreas during the 96-h post injection. The recombinant SpTGase showed a capacity of agglutination activities on both Gram-negative bacteria and yeast. SpTGase was found to directly interact with another important blood coagulation component clip domain serine protease (SpcSP). Moreover, knockdown of SpTGase resulted in a decreased expression of both clotting protein precursor (SppreCP) and SpcSP and an increase of duration time in the blood coagulation. Taken together, the findings of this study suggest SpTGase play an important role in the hemolymph clotting in mud crab S. paramamosain.
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Affiliation(s)
- Ngoc Tuan Tran
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou, 515063, China; Marine Biology Institute, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Weisong Wan
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou, 515063, China; Marine Biology Institute, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Tongtong Kong
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou, 515063, China; Marine Biology Institute, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Xixiang Tang
- Key Laboratory of Marine Biogenetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen, China
| | - Daimeng Zhang
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou, 515063, China; Marine Biology Institute, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Yi Gong
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou, 515063, China; Marine Biology Institute, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Huaiping Zheng
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou, 515063, China; Marine Biology Institute, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Hongyu Ma
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou, 515063, China; Marine Biology Institute, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Yueling Zhang
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou, 515063, China; Marine Biology Institute, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Shengkang Li
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou, 515063, China; Marine Biology Institute, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China.
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20
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Sirikharin R, Utairungsee T, Srisala J, Roytrakul S, Thitamadee S, Sritunyalucksana K. Cell surface transglutaminase required for nodavirus entry into freshwater prawn hemocytes. FISH & SHELLFISH IMMUNOLOGY 2019; 89:108-116. [PMID: 30928665 DOI: 10.1016/j.fsi.2019.03.052] [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: 10/15/2018] [Revised: 02/06/2019] [Accepted: 03/24/2019] [Indexed: 06/09/2023]
Abstract
To identify molecules involved in Macrobrachium rosenbergii nodavirus (MrNV) entry into hemocytes of the giant freshwater prawn M. rosenbergii, biotinylated prawn hemocyte membrane proteins were prepared, purified and separated by SDS-PAGE. The proteins were blotted on the nitrocellulose membrane before incubation with the MrNV capsid protein (MrNV-CP) by a VOPBA technique. Subsequent mass spectrometry and analysis of immune-reactive bands represent putative binding partners including transglutaminase (TG), actin, α2-macroglobulin, α1-tubulin, F1-ATP synthase β-subunit and a currently uncharacterized protein. The sequence of TG has been characterized and found 5 amino acids differences to a previously reported MrTG (ADX99580), mainly at its N-terminal part and thus, we named it MrTGII (KM008611). Recombinant MrTGII was prepared to produce a polyclonal antibody against it, which was successfully revealed the presence of MrTGII (100 kDa) in prawn hemocyte lysates. Using the pentylamine-biotin incorporation assay, an acyl transfer reaction was observed when hemocyte lysates were added to solutions containing MrNV-CP, suggesting that hemocyte MrTG could use MrNV-CP as the substrate. The expression levels of MrTGII were changed during the course of MrNV infection. By using immunostaining technique, location of MrTGII on the hemocyte surface was confirmed. Specific interaction between MrTGII with MrNV-CP in a dose-dependent manner was confirmed by in vitro ELISA assay. The highest binding activity of MrNV-CP was found with the N-terminal portion of the protein. In vitro neutralization using anti-MrTGII antibody resulted in inhibition of MrNV attachment to the hemocyte surface, accompanied by a dramatic reduction in viral replication. This is the first time that crustacean TG has been shown to be involved in viral entry, in addition to its roles in blood clotting and haematopoiesis.
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Affiliation(s)
- Ratchanok Sirikharin
- Aquatic Animal Health Research Team, Integrative Aquaculture Biotechnology Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Yothi Office, Rama VI Rd., Bangkok, 10400, Thailand; Center of Excellence for Shrimp Molecular Biology and Biotechnology, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand; Department of Biotechnology, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand
| | - Tanatchaporn Utairungsee
- Aquatic Animal Health Research Team, Integrative Aquaculture Biotechnology Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Yothi Office, Rama VI Rd., Bangkok, 10400, Thailand; Center of Excellence for Shrimp Molecular Biology and Biotechnology, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand; Department of Biotechnology, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand
| | - Jiraporn Srisala
- Aquatic Animal Health Research Team, Integrative Aquaculture Biotechnology Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Yothi Office, Rama VI Rd., Bangkok, 10400, Thailand
| | - Sittiruk Roytrakul
- Proteomics Research Laboratory, Genomic Institute, National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Klong Luang, Pathumthani, 12120, Thailand
| | - Siripong Thitamadee
- Center of Excellence for Shrimp Molecular Biology and Biotechnology, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand; Department of Biotechnology, Faculty of Science, Mahidol University, Rama VI Rd., Bangkok, 10400, Thailand
| | - Kallaya Sritunyalucksana
- Aquatic Animal Health Research Team, Integrative Aquaculture Biotechnology Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Yothi Office, Rama VI Rd., Bangkok, 10400, Thailand.
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21
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Pudgerd A, Chotwiwatthanakun C, Kruangkum T, Itsathitphaisarn O, Sritunyalucksana K, Vanichviriyakit R. The hematopoietic organ of Macrobrachium rosenbergii: Structure, organization and immune status. FISH & SHELLFISH IMMUNOLOGY 2019; 88:415-423. [PMID: 30872029 DOI: 10.1016/j.fsi.2019.03.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 02/26/2019] [Accepted: 03/07/2019] [Indexed: 06/09/2023]
Abstract
The hematopoietic organ (HO) of the giant freshwater prawn Macrobrachium rosenbergii is a discrete, whitish mass located in the epigastric region of the cephalothorax, posterior to the brain. It is composed of hematopoietic cells arranged in a thick layer of numerous lobules that surround a central hemal sinus from which they are separated by a thin sheath. At the center of the sinus is the muscular cor frontale. The lobules extend radially outward from the sinus in three developmental zones. Basal Zone 1 nearest the sinus contains large hematopoietic stem cells with euchromatic nuclei that stain positive for proliferation cell nuclear antigen (PCNA). Zone 2 contains smaller, actively dividing cells as indicated by positive 5-bromo-20-deoxyuridine (BrdU) staining. Distal Zone 3 contains small, loosely packed cells with heterochromatic nuclei, many cytoplasmic granules and vesicles indicating that they will eventually differentiate into hemocytes and enter circulation. Three main arteries, namely the ophthalmic and the 2 branches of the antennary, connect the heart to the HO. Use of India ink and 0.1 μm fluorescent micro-beads injected into the heart revealed that the cor frontale could immediately remove foreign particles from hemolymph by filtration. Fluorescent beads were also detected in the hematopoietic tissue at 30 min after injection, indicating that it could be penetrated by foreign particles. However, the fluorescent signal completely disappeared from the whole HO after 4 h, indicating its role in removal of foreign particles. In conclusion, the present study demonstrated for the first time the detailed histological structures of the HO of M. rosenbergii and its relationship to hematopoiesis and removal of foreign particles from hemolymph.
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Affiliation(s)
- Arnon Pudgerd
- 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, 60000, 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
| | - Ornchuma Itsathitphaisarn
- 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 Biochemistry, 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.
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Li F, Xu L, Hui X, Huang W, Yang F. Directed differentiation of granular cells from crayfish hematopoietic tissue cells. FISH & SHELLFISH IMMUNOLOGY 2019; 88:28-35. [PMID: 30826415 DOI: 10.1016/j.fsi.2019.02.054] [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: 11/30/2018] [Revised: 01/25/2019] [Accepted: 02/25/2019] [Indexed: 06/09/2023]
Abstract
Hemocytes are the major immune cells of crustaceans. New hemocyte production is required throughout the life cycle of these animals to maintain a functional immune system. The mechanism of crustacean hematopoiesis has just begun to be understood and new methods are needed for the investigation of this process. Here we report the directed differentiation of granular cells (GCs) from the hematopoietic tissue (HPT) cells of Cherax quadricarinatus in vitro. We started by providing the cultured HPT cells with different additives to induce possible differentiation. We found that crayfish muscle extract greatly promoted the physical status of the cells and induced the formation of refractile cytoplasmic granules. The transcription of marker genes and the production of functional prophenoloxidase further confirmed the formation of mature GCs. In our experiments, young GCs usually started to develop in ∼2 weeks post induction and over 60% of the cells became mature within 3-4 weeks. This is the first time that the fully differentiation of crustacean hemocytes is accomplished in vitro. It provides a powerful tool for in-depth study of crustacean hematopoiesis.
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Affiliation(s)
- Fang Li
- Key Laboratory of Marine Genetic Resources, State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China; Fujian Key Laboratory of Marine Genetic Resources, Xiamen, 361005, China.
| | - Limei Xu
- Key Laboratory of Marine Genetic Resources, State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China; Fujian Key Laboratory of Marine Genetic Resources, Xiamen, 361005, China
| | - Xuan Hui
- Key Laboratory of Marine Genetic Resources, State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China
| | - Wanzhen Huang
- Key Laboratory of Marine Genetic Resources, State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China
| | - Feng Yang
- Key Laboratory of Marine Genetic Resources, State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China; Fujian Key Laboratory of Marine Genetic Resources, Xiamen, 361005, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, PR China.
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23
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Head TB, Mykles DL, Tomanek L. Proteomic analysis of the crustacean molting gland (Y-organ) over the course of the molt cycle. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2019; 29:193-210. [DOI: 10.1016/j.cbd.2018.11.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 11/14/2018] [Accepted: 11/15/2018] [Indexed: 12/21/2022]
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24
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Junprung W, Supungul P, Tassanakajon A. Litopenaeus vannamei heat shock protein 70 (LvHSP70) enhances resistance to a strain of Vibrio parahaemolyticus, which can cause acute hepatopancreatic necrosis disease (AHPND), by activating shrimp immunity. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 90:138-146. [PMID: 30236881 DOI: 10.1016/j.dci.2018.09.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Revised: 09/17/2018] [Accepted: 09/17/2018] [Indexed: 06/08/2023]
Abstract
Heat shock protein 70 (HSP70) acts as a molecular chaperone and a stress protein, but also plays important roles in innate and adaptive immune responses. Previous studies have reported that non-lethal heat shock (NLHS) could enhance the resistance of Pacific white shrimp Litopenaeus vannamei to a specific strain of Vibrio parahaemolyticus, which carried a toxin-producing plasmid (VPAHPND), via the induction of LvHSP70 transcription. Here, we further investigated the specific function of LvHSP70 in shrimp immunity. The upregulation of LvHSP70 at the protein level was detected during recovery time after NLHS treatment, using both western blot analysis and immunofluorescence microscopy. We found that NLHS immediately activated the production of LvHSP70 in shrimp hemocytes and that such induction was observed in all three types of hemocytes: hyaline; granular and semi-granular cells. Furthermore, the role of LvHSP70 in bacterial defense was investigated using the heterologous expression of recombinant LvHSP70 (rLvHSP70) in Escherichia coli. Shrimp receiving rLvHSP70 by injection showed an increased survival rate (75%) to VPAHPND infection compared to just 20% survival in the control group injected with bovine serum albumin (BSA). We also demonstrated that the injected rLvHSP70 accumulated in shrimp hemocytes and was detected in the intracellular space of hemocyte cells leading to the induced expression (P<0.05) of several immune-related genes (LvMyD88, LvIKKβ, LvIKKε, LvCrustin I, LvPEN2, LvPEN3, LvproPO1, LvproPO2 and LvTG1). Collectively, these results suggest that LvHSP70 plays a crucial role in bacterial defense by activating the shrimp immune system.
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Affiliation(s)
- Wisarut Junprung
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Premruethai Supungul
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathumthani, 12120, Thailand
| | - Anchalee Tassanakajon
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
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25
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Perdomo-Morales R, Montero-Alejo V, Perera E. The clotting system in decapod crustaceans: History, current knowledge and what we need to know beyond the models. FISH & SHELLFISH IMMUNOLOGY 2019; 84:204-212. [PMID: 30261301 DOI: 10.1016/j.fsi.2018.09.060] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 09/19/2018] [Accepted: 09/23/2018] [Indexed: 06/08/2023]
Abstract
Hemolymph coagulation is among the major arms of the humoral immune response in crustaceans. According to the current model, hemolymph clotting in decapod crustacean relies mostly on the polymerization of the plasmatic clotting protein (CP) which is directly promoted by calcium-depended transglutaminase (TGase) released from hemocytes upon microbial stimulus or injury. However, the type of hemocytes containing TGase, and hence how the TGase is released, might vary among species. Thus, we discourse here about possible mechanisms for clotting initiation. On the other hand, the initiation of coagulation reaction in the absence of microbial elicitors is poorly understood and seems to involve hemocytes lability, yet the mechanism remains unknown. A cellular clottable protein called coagulogen, different to the plasma CP, occurs in several species and could be related with the immune response, but the biological relevance of this protein is unknown. It is also demonstrated that the clotting response is actively involved in defense against pathogens. In addition, both TGase and the CP show pleiotropic functions, and although both proteins are relatively conserved, some of their physic-chemical properties vary significantly. The occurrence of differences in the clotting system in crustaceans is conceivable given the high number of species and their diverse ecology. Results from still non-studied decapods may provide explanation for some of the issues presented here from an evolutionary perspective.
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Affiliation(s)
- Rolando Perdomo-Morales
- Center for Pharmaceuticals Research and Development. Ave. 26 No. 1605, Esq. Puentes Grandes. Plaza. 10600. La Habana. Cuba.
| | - Vivian Montero-Alejo
- Center for Pharmaceuticals Research and Development. Ave. 26 No. 1605, Esq. Puentes Grandes. Plaza. 10600. La Habana. Cuba
| | - Erick Perera
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal, CSIC, Castellón, Spain
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26
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Li Q, Ren Y, Luan L, Zhang J, Qiao G, Wang Y, Ye S, Li R. Localization and characterization of hematopoietic tissues in adult sea cucumber, Apostichopus japonicus. FISH & SHELLFISH IMMUNOLOGY 2019; 84:1-7. [PMID: 30253179 DOI: 10.1016/j.fsi.2018.09.058] [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: 01/07/2018] [Revised: 09/20/2018] [Accepted: 09/21/2018] [Indexed: 06/08/2023]
Abstract
Sea cucumber Apostichopus japonicus rely on the efficient innate immune mechanisms against invaders, in which the consumption and regeneration of coelomocytes take place at the same time. In the present study, histological features of putative hematopoietic tissues (HPTs) including the rete mirabile, the respiratory tree, the polian vesicle and the coelomic epithelium were characterized. The distribution of transcription factor GATA1 in coelomocytes and putative HPTs was examined by immunohistochemistry. In addition, cell proliferation using EdU labeling and coelomocyte distribution in different tissues using monoclonal antibody labeling were analyzed to further confirm the HPTs. The results showed that two homologs of GATA1 were detected with molecular weight of 43 and 90 kDa in coelomocytes, rete mirabile, respiratory tree and polian vesicle, whereas no signals were detected in the coelomic epithelium. A few cells were detected to be EdU-positive for coelomocytes, which accounted for approximately 9.5%. In the rete mirabile and the respiratory tree, the EdU signals were strong in cells of the tube wall. In the polian vesicle, numerous EdU-positive cells were detected in the cyst wall. In the coelomic epithelium, little EdU signaling was detected. Immunohistochemistry analysis by mAb 3F6 against A. japonicus coelomocytes showed that positive signals were observed in the tube wall of the rete mirabile, respiratory tree, cyst wall of the polian vesicle and in the coelomocyte antrum of coelomic epithelium. These results suggest that the rete mirabile, respiratory tree and polian vesicle are the HPTs of A. japonicus.
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Affiliation(s)
- Qiang Li
- Department of Ocean Technology, College of Marine and Biology Engineering, Yancheng Institute of Technology, Yancheng, 224051, China
| | - Yuan Ren
- Department of Ocean Technology, College of Marine and Biology Engineering, Yancheng Institute of Technology, Yancheng, 224051, China; Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian, 116023, China
| | - Linlin Luan
- Department of Ocean Technology, College of Marine and Biology Engineering, Yancheng Institute of Technology, Yancheng, 224051, China; Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian, 116023, China
| | - Jialin Zhang
- Department of Ocean Technology, College of Marine and Biology Engineering, Yancheng Institute of Technology, Yancheng, 224051, China
| | - Guo Qiao
- Department of Ocean Technology, College of Marine and Biology Engineering, Yancheng Institute of Technology, Yancheng, 224051, China
| | - Yinan Wang
- Department of Ocean Technology, College of Marine and Biology Engineering, Yancheng Institute of Technology, Yancheng, 224051, China
| | - Shigen Ye
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian, 116023, China
| | - Ruijun Li
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian, 116023, China.
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27
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Junkunlo K, Söderhäll K, Söderhäll I. Transglutaminase inhibition stimulates hematopoiesis and reduces aggressive behavior of crayfish, Pacifastacus leniusculus. J Biol Chem 2018; 294:708-715. [PMID: 30425101 DOI: 10.1074/jbc.ra118.005489] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 11/04/2018] [Indexed: 12/22/2022] Open
Abstract
Transglutaminase (TGase) is a Ca2+-dependent cross-linking enzyme, which has both enzymatic and nonenzymatic properties. TGase is involved in several cellular activities, including adhesion, migration, survival, apoptosis, and extracellular matrix (ECM) organization. In this study, we focused on the role of the TGase enzyme in controlling hematopoiesis in the crayfish, Pacifastacus leniusculus We hypothesized that a high TGase activity could mediate an interaction of progenitor cells with the ECM to maintain cells in an undifferentiated stage in the hematopoietic tissue (HPT). We found here that the reversible inhibitor cystamine decreases the enzymatic activity of TGase from crayfish HPT, as well as from guinea pig, in a concentration-dependent manner. Cystamine injection decreased TGase activity in HPT without affecting production of reactive oxygen species. Moreover, the decrease in TGase activity in the HPT increased the number of circulating hemocytes. Interestingly the cystamine-mediated TGase inhibition reduced aggressive behavior and movement in crayfish. In conclusion, we show that cystamine-mediated TGase inhibition directly releases HPT progenitor cells from the HPT into the peripheral circulation in the hemolymph and strongly reduces aggressive behavior in crayfish.
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Affiliation(s)
- Kingkamon Junkunlo
- From the Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36 Uppsala, Sweden and
| | - Kenneth Söderhäll
- the Science for Life Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36 Uppsala, Sweden
| | - Irene Söderhäll
- the Science for Life Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36 Uppsala, Sweden
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28
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Zheng Z, Xu W, Aweya JJ, Zhong M, Liu S, Lun J, Chen J, Zhang Y. Functional domains of Litopenaeus vannamei transglutaminase and their involvement in immunoregulation in shrimp. FISH & SHELLFISH IMMUNOLOGY 2018; 81:168-175. [PMID: 30010014 DOI: 10.1016/j.fsi.2018.07.024] [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: 05/03/2018] [Revised: 07/08/2018] [Accepted: 07/11/2018] [Indexed: 06/08/2023]
Abstract
Shrimps, which mainly rely on their innate immune system to response to infectious pathogens, have clottable proteins as an important component of this system. While transglutaminases (TGase) are found in Litopenaeus vannamei and constitute part of the coagulation system, the specific immune-related roles played by its functional domains in the immunoregulation of shrimp has not been well understood. In the present study, we report that the Ig-like domain of L. vannamei transglutaminase (TGase-C) is the main immune-related domain among the three functional domains, as it had higher bacterial agglutinative activity against Vibrio parahaemolyticus and Streptococcus iniae. Using Co-immunoprecipitation and LC-MS/MS analysis, TGase-C was shown to interact with 474 proteins, of which 52 proteins were annotated to L. vannamei. More than half of the L. vannamei annotated proteins have immune-related functions, including apoptosis. Further analysis using pull-down assay revealed that TGase-C interacted with CAP-3 (a homologue of caspase 3). In addition, siRNA-mediated knockdown of LvTGase significantly (p < 0.01) increased the expression level of LvCAP-3 coupled with a significant (p < 0.01) increase in caspase 3/7 activity, suggesting that probably LvTGase participates in shrimp immune response by modulating the activity of LvCAP-3. These findings thus suggest the Ig-like functional domain of L. vannamei's transglutaminase is the domain that is involved in immunoregulation in shrimp.
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Affiliation(s)
- Zhou Zheng
- Department of Biology and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Wenning Xu
- Department of Biology and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Jude Juventus Aweya
- Department of Biology and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Mingqi Zhong
- Department of Biology and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Shangjie Liu
- Department of Biology and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Jingsheng Lun
- Department of Biology and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Jiehui Chen
- Department of Biology and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Yueling Zhang
- Department of Biology and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China.
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29
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Sirikharin R, Söderhäll I, Söderhäll K. Characterization of a cold-active transglutaminase from a crayfish, Pacifastacus leniusculus. FISH & SHELLFISH IMMUNOLOGY 2018; 80:546-549. [PMID: 29960064 DOI: 10.1016/j.fsi.2018.06.042] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 06/24/2018] [Accepted: 06/26/2018] [Indexed: 06/08/2023]
Abstract
Transglutaminase (TGase) from signal crayfish (Pacifastacus leniusculus) and its activity at low temperatures was studied. TGase is an abundant protein in the hematopoietic (HPT) cells and this tissue was used for TGase enzyme preparation. The optimal temperature and pH for the activity of crayfish TGase were determined. We found that TGase activity at 4 °C showed nearly the same activity as at a temperature of 22 °C. TGase activity from crayfish was compared with guinea pig liver TGase activity at 4 °C and the crayfish TGase displayed a higher activity while guinea pig liver TGase had a very low activity at this low temperature. By comparing kinetic parameters to guinea pig liver TGase, the results showed that a high activity of crayfish TGase was due to a decreasing Km value for pentylamine as a substrate, while it did not affect the kcat value (at 22 °C). The amino acid sequences of a krill and a crayfish TGase, which both are cold adapted, do not give any clue to why these two enzymes are cold-adapted. These results demonstrate that crayfish TGase is adapted to have significant activity at low temperatures and since crayfish are living in quite cold waters this is an interesting adaptation of this enzyme.
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Affiliation(s)
- Ratchanok Sirikharin
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75326, Uppsala, Sweden
| | - Irene Söderhäll
- Science for Life Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75326, Uppsala, Sweden
| | - Kenneth Söderhäll
- Science for Life Laboratory, Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75326, Uppsala, Sweden.
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30
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Noonin C. Involvement of Serotonin in crayfish hematopoiesis. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 86:189-195. [PMID: 29778989 DOI: 10.1016/j.dci.2018.05.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 05/03/2018] [Accepted: 05/03/2018] [Indexed: 06/08/2023]
Abstract
Serotonin (5-HT) is a conserved monoamine neurotransmitter that has several physiological functions both in vertebrates and invertebrates. In addition to its well-known function in the central nervous system, 5-HT also participates in peripheral system. However, in crustaceans, the knowledge about peripheral functions of 5-HT is limited. In this study, a role of 5-HT in hematopoiesis in crayfish, Pacifastacus leniusculus, was investigated. The presence of 5-HT in crayfish plasma and the effect of 5-HT injection on hemocyte number were examined. The effects of 5-HT on hematopoietic tissue (HPT) cell proliferation and secretion of the hematopoietic cytokine, astakine 1 (Ast 1) were determined in vitro. The results from this study suggest that 5-HT has no direct effect on HPT cell proliferation, but it participates in crayfish hematopoiesis through stimulating Ast 1 cytokine release from crayfish hemocytes, and thereby affects release of new hemocytes into the circulation.
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Affiliation(s)
- Chadanat Noonin
- Department of Organismal Biology, Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36 Uppsala, Sweden.
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31
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Ericsson L, Söderhäll I. Astakines in arthropods-phylogeny and gene structure. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 81:141-151. [PMID: 29154857 DOI: 10.1016/j.dci.2017.11.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 11/10/2017] [Accepted: 11/10/2017] [Indexed: 06/07/2023]
Abstract
Astakine1 was isolated as a hematopoietic cytokine in the freshwater crayfish Pacifastacus leniusculus. In this study we detect and compare 79 sequences in GenBank, which we consider to be possible astakine orthologs, among which eleven are crustacean, sixteen are chelicerate and 52 are from insect species. Available arthropod genomes are searched for astakines, and in conclusion all astakine sequences in the current study have a similar exon containing CCXX(X), thus potentially indicating that they are homologous genes with the structure of this exon highly conserved. Two motifs, RYS and YP(N), are also conserved among the arthropod astakines. A phylogenetic analysis reveals that astakine1 and astakine2 from P. leniusculus and Procambarus clarkii are distantly related, and may have been derived from a gene duplication occurring early in crustacean evolution. Moreover, a structural comparison using the Mamba intestinal toxin (MIT1) from Dendroaspis polylepis as template indicates that the overall folds are similar in all crustacean astakines investigated.
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Affiliation(s)
- Lena Ericsson
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden
| | - Irene Söderhäll
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden.
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32
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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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33
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Tummamunkong P, Jaree P, Tassanakajon A, Somboonwiwat K. WSSV-responsive gene expression under the influence of PmVRP15 suppression. FISH & SHELLFISH IMMUNOLOGY 2018; 72:86-94. [PMID: 29017938 DOI: 10.1016/j.fsi.2017.10.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 10/02/2017] [Accepted: 10/06/2017] [Indexed: 06/07/2023]
Abstract
The viral responsive protein 15 from black tiger shrimp Penaeus monodon (PmVRP15), is highly up-regulated and produced in the hemocytes of shrimp with white spot syndrome virus (WSSV) infection. To investigate the differential expression of genes from P. monodon hemocytes that are involved in WSSV infection under the influence of PmVRP15 expression, suppression subtractive hybridization (SSH) of PmVRP15-silenced shrimp infected with WSSV was performed. The 189 cDNA clones of the forward library were generated by subtracting the cDNAs from WSSV-infected and PmVRP15 knockdown shrimp with cDNAs from WSSV-infected and GFP knockdown shrimp. For the opposite subtraction, the 176 cDNA clones in the reverse library was an alternative set of genes in WSSV-infected shrimp hemocytes in the presence of PmVRP15 expression. The abundant genes in forward SSH library had a defense/homeostasis of 26%, energy/metabolism of 23% and in the reverse SSH library a hypothetical protein with unknown function was found (30%). The differential expressed immune-related genes from each library were selected for expression analysis using qRT-PCR. All selected genes from the forward library showed high up-regulation in the WSSV-challenged PmVRP15 knockdown group as expected. Interestingly, PmHHAP, a hemocyte homeostasis associated protein, and granulin-like protein, a conserved growth factor, are extremely up-regulated in the absence of PmVRP15 expression in WSSV-infected shrimp. Only transcript level of transglutaminase II, that functions in regulating hematopoietic tissue differentiation and inhibits mature hemocyte production in shrimp, was obviously down-regulated as observed from SSH results. Taken together, our results suggest that PmVRP15 might have a function relevant to hemocyte homeostasis during WSSV infection.
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Affiliation(s)
- Phawida Tummamunkong
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand
| | - Phattarunda Jaree
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand
| | - Anchalee Tassanakajon
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand
| | - Kunlaya Somboonwiwat
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand.
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Junkunlo K, Söderhäll K, Söderhäll I. Clotting protein - An extracellular matrix (ECM) protein involved in crustacean hematopoiesis. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 78:132-140. [PMID: 28943319 DOI: 10.1016/j.dci.2017.09.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 09/19/2017] [Accepted: 09/19/2017] [Indexed: 06/07/2023]
Abstract
Hematopoietic progenitor cells in crustaceans are organized in lobule-like structures surrounded by different types of cells and extracellular matrix (ECM) proteins in a Hematopoietic tissue (HPT). Here we show that the clotting protein (CP) is part of the ECM in HPT and is secreted during HPT cell culture. The formation of a filamentous network of CP was observed in HPT cell culture. A high amount of CP protein was detected at the surfaces of undifferentiated cells (round-shaped) compared with migrating cells (spindle shaped). Co-localization of the CP protein and TGase activity was observed on the cell surface and filamentous network between cells. A role for CP together with collagen was revealed in a 3D culture in which a collagen-I matrix was immobilized with CP or supplemented with CP. The results showed possible functions of CP, collagen, TGase and the cytokine Ast1 in the regulation of HPT progenitor cell behavior. This is the first study to provide insight into the role of CP, which probably not only participates in clot formation but also functions as an ECM component protein controlling hematopoietic stem cell behavior.
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Affiliation(s)
- Kingkamon Junkunlo
- 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
| | - Irene Söderhäll
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 752 36 Uppsala, Sweden.
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Sirikharin R, Junkunlo K, Söderhäll K, Söderhäll I. Role of astakine1 in regulating transglutaminase activity. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 76:77-82. [PMID: 28528959 DOI: 10.1016/j.dci.2017.05.015] [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: 03/10/2017] [Revised: 05/17/2017] [Accepted: 05/17/2017] [Indexed: 06/07/2023]
Abstract
Transglutaminase (TGase) has been implicated in maintaining the undifferentiated stage of hematopoietic stem cells (HSC) in the crayfish Pacifastacus leniusculus. TGase activity has been reported to be regulated by astakine1, an essential crayfish cytokine for inducing new hemocyte synthesis in hematopoietic tissue (HPT). Here, the role of astakine1 in TGase activity regulation and clotting protein (CP) cross-linking was characterized. A reduction in TGase activity was observed by the addition of purified astakine1 in vitro for both endogenous crayfish TGase and a commercial purified guinea pig liver TGase. As a result, we observed that astakine1 inhibits TGase enzyme activity and acts as a non-competitive inhibitor for the TGase enzyme. Additionally, the clotting reaction was impaired in the presence of astakine1. A decrease in TGase-mediated crosslinking of ε(γ-glutamyl)-lysine bonds was also observed in the presence of astakine1. In conclusion, this study shows that astakine1 acts as an inhibitor of TGase activity and that it also affects CP cross-linking during crayfish hematopoiesis.
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Affiliation(s)
- Ratchanok Sirikharin
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75326, Uppsala, Sweden.
| | - Kingkamon Junkunlo
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75326, Uppsala, Sweden
| | - Kenneth Söderhäll
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75326, Uppsala, Sweden
| | - Irene Söderhäll
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75326, Uppsala, Sweden
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Junkunlo K, Söderhäll K, Noonin C, Söderhäll I. PDGF/VEGF-Related Receptor Affects Transglutaminase Activity to Control Cell Migration During Crustacean Hematopoiesis. Stem Cells Dev 2017; 26:1449-1459. [PMID: 28805145 DOI: 10.1089/scd.2017.0086] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The platelet-derived growth factor (PDGF) receptor, a tyrosine kinase (TK) receptor whose ligand is PDGF, is crucial in the transduction of extracellular signals into cells and mediates numerous processes, such as cell proliferation, differentiation, survival, and migration. We demonstrate the important roles of a receptor TK related to the PDGF/VEGF family protein (PVR) in controlling hematopoietic progenitor cell migration by affecting extracellular transglutaminase (TGase) activity. Pl_PVR1, GenBank accession No. KY444650, is highly expressed in hemocytes and the hematopoietic tissue (HPT). Sunitinib malate was used to block the PVF/PVR downstream pathway in HPT cell culture. The addition of Sunitinib also caused the HPT cells to increase in size and begin spreading. An increase in extracellular TGase activity on the HPT cell membrane was observed in a dose-dependent manner after treatment with Sunitinib malate. The presence of crude Ast1 provided a combinatorial beneficial effect that enhanced the number of spreading cells after inhibition of the Pl_PVR downstream signaling cascade. In addition, an increased immunoreactivity for β-tubulin and elongation of β-tubulin filaments were found in Pl_PVR signaling-inhibited cells. The potential roles of PVF/PVR signaling in controlling progenitor cell activity during hematopoiesis in crayfish were investigated and discussed.
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Affiliation(s)
- Kingkamon Junkunlo
- Department of Comparative Physiology, Uppsala University , Uppsala, Sweden
| | - Kenneth Söderhäll
- Department of Comparative Physiology, Uppsala University , Uppsala, Sweden
| | - Chadanat Noonin
- Department of Comparative Physiology, Uppsala University , Uppsala, Sweden
| | - Irene Söderhäll
- Department of Comparative Physiology, Uppsala University , Uppsala, Sweden
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Jia Z, Kavungal S, Jiang S, Zhao D, Sun M, Wang L, Song L. The characterization of hematopoietic tissue in adult Chinese mitten crab Eriocheir sinensis. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2016; 60:12-22. [PMID: 26868307 DOI: 10.1016/j.dci.2016.02.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 02/02/2016] [Accepted: 02/02/2016] [Indexed: 06/05/2023]
Abstract
Invertebrates rely on the efficient innate immune mechanisms against invaders, in which the continuous production of hemocytes (hematopoiesis) is indispensable. In the present study, the hematopoietic tissue (HPT) from Chinese mitten crab Eriocheir sinensis was identified and characterized. It was a thin and non-transparent sheet located at the dorsolateral side of the stomach, which was composed of a series of ovoid lobules. Each lobule was surrounded by connective tissue containing a large amount of spherical cells with big nucleus. In HPT, the cells were full of mitochondria and granules, and DNA replication was detected in some cells by EdU labeling technique. Cell proliferation was observed in HPT by transmission electron microscope (TEM). The distribution of two transcription factors, GATA1 and RUNX1, were examined by human GATA1 and RUNX1 antibodies, respectively. Three homologues of RUNX1 were detected in the HPT while no signal of RUNX1 was observed in hemocytes, and GATA1 was detected in both HPT and some hemocytes. The mRNA transcript of a novel hematopoiesis related cytokine EsAst was detected in hepatopancreas and hemocytes, but it was no detectable in HPT. The mRNA expression level of EsAst in hepatopancreas was 1.38-fold higher than that in hemocytes. Total hemocytes counts were related to the mRNA expression level of EsAst post Aeromonas hydrophila challenge. The results suggested that the stem cells in the hematopoietic tissue of Chinese mitten crab E. sinensis were regulated by transcriptional and humoral factors to generate hemocytes.
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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
| | - Sharath Kavungal
- 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
| | - Shuai Jiang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Depeng Zhao
- Dalian Polytechnic University, Dalian 116034, 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
| | - Lingling Wang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Linsheng Song
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, China.
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Junkunlo K, Söderhäll K, Söderhäll I, Noonin C. Reactive Oxygen Species Affect Transglutaminase Activity and Regulate Hematopoiesis in a Crustacean. J Biol Chem 2016; 291:17593-601. [PMID: 27339892 DOI: 10.1074/jbc.m116.741348] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Indexed: 12/22/2022] Open
Abstract
Reactive oxygen species (ROS) serve as a prime signal in the commitment to hematopoiesis in both mammals and Drosophila In this study, the potential function of ROS during hematopoiesis in the crayfish Pacifastacus leniusculus was examined. The antioxidant N-acetylcysteine (NAC) was used to decrease ROS in both in vivo and in vitro experiments. An increase in ROS was observed in the anterior proliferation center (APC) after LPS injection. In the absence of NAC, the LPS-induced increase in ROS levels resulted in the rapid restoration of the circulating hemocyte number. In the presence of NAC, a delay in the recovery rate of the hemocyte number was observed. NAC treatment also blocked the spread of APC and other hematopoietic tissue (HPT) cells, maintaining these cells at an undifferentiated stage. Extracellular transglutaminase (TGase) has been shown previously to play a role in maintaining HPT cells in an undifferentiated form. In this study, we show that extracellular TGase activity increased when the ROS level in HPT or APC cells was reduced after NAC treatment. In addition, collagen, a major component of the extracellular matrix and a TGase substrate were co-localized on the HPT cell surface. Taken together, the results of this study show that ROS are involved in crayfish hematopoiesis, in which a low ROS level is required to maintain hematopoietic progenitor cells in the tissue and to reduce hemocyte release. The potential roles of TGase in this process are investigated and discussed.
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Affiliation(s)
- Kingkamon Junkunlo
- From the Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75236 Uppsala, Sweden
| | - Kenneth Söderhäll
- From the Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75236 Uppsala, Sweden
| | - Irene Söderhäll
- From the Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75236 Uppsala, Sweden
| | - Chadanat Noonin
- From the Department of Comparative Physiology, Uppsala University, Norbyvägen 18A, 75236 Uppsala, Sweden
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Söderhäll I. Crustacean hematopoiesis. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2016; 58:129-141. [PMID: 26721583 DOI: 10.1016/j.dci.2015.12.009] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2015] [Revised: 12/12/2015] [Accepted: 12/13/2015] [Indexed: 06/05/2023]
Abstract
Crustacean hemocytes are important mediators of immune reactions, and the regulation of hemocyte homeostasis is of utmost importance for the health of these animals. This review discusses the current knowledge on the lineages, synthesis and differentiation of hemocytes in crustaceans. Hematopoietic tissues, their origins, and the regulation of hematopoiesis during molting, seasonal variation and infection are discussed. Furthermore, studies concerning the molecular regulation of hemocyte formation in crustaceans are also described, and the different lineages and their molecular markers are discussed and compared with several insect species. Signaling pathways and the regulation of hematopoiesis by transcription factors are typically conserved among these arthropods, whereas cytokines and growth factors are more variable and species specific. However, considering the great diversity among the crustaceans, one should be cautious in drawing general conclusions from studies of only a few species.
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Affiliation(s)
- Irene Söderhäll
- Department of Comparative Physiology, Uppsala University, Norbyvägen 18 A, 752 36 Uppsala, Sweden.
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Jeswin J, Xie XL, Ji QL, Wang KJ, Liu HP. Proteomic analysis by iTRAQ in red claw crayfish, Cherax quadricarinatus, hematopoietic tissue cells post white spot syndrome virus infection. FISH & SHELLFISH IMMUNOLOGY 2016; 50:288-96. [PMID: 26845698 PMCID: PMC7111676 DOI: 10.1016/j.fsi.2016.01.035] [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: 08/25/2015] [Revised: 01/08/2016] [Accepted: 01/29/2016] [Indexed: 05/23/2023]
Abstract
To elucidate proteomic changes of Hpt cells from red claw crayfish, Cherax quadricarinatus, we have carried out isobaric tags for relative and absolute quantitation (iTRAQ) of cellular proteins at both early (1 hpi) and late stage (12 hpi) post white spot syndrome virus (WSSV) infection. Protein database search revealed 594 protein hits by Mascot, in which 17 and 30 proteins were present as differentially expressed proteins at early and late viral infection, respectively. Generally, these differentially expressed proteins include: 1) the metabolic process related proteins in glycolysis and glucogenesis, DNA replication, nucleotide/amino acid/fatty acid metabolism and protein biosynthesis; 2) the signal transduction related proteins like small GTPases, G-protein-alpha stimulatory subunit, proteins bearing PDZ- or 14-3-3-domains that help holding together and organize signaling complexes, casein kinase I and proteins of the MAP-kinase signal transduction pathway; 3) the immune defense related proteins such as α-2 macroglobulin, transglutaminase and trans-activation response RNA-binding protein 1. Taken together, these protein information shed new light on the host cellular response against WSSV infection in a crustacean cell culture.
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Affiliation(s)
- Joseph Jeswin
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, Fujian, PR China
| | - Xiao-lu Xie
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, Fujian, PR China
| | - Qiao-lin Ji
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, Fujian, PR China
| | - Ke-jian Wang
- 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, Fujian Engineering Laboratory of Marine Bioproducts and Technology, 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, Fujian Engineering Laboratory of Marine Bioproducts and Technology, Xiamen 361102, Fujian, PR China.
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Zhu YT, Li D, Zhang X, Li XJ, Li WW, Wang Q. Role of transglutaminase in immune defense against bacterial pathogens via regulation of antimicrobial peptides. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2016; 55:39-50. [PMID: 26464201 DOI: 10.1016/j.dci.2015.10.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 10/05/2015] [Accepted: 10/06/2015] [Indexed: 06/05/2023]
Abstract
Transglutaminase (TGase) is critical for blood coagulation, a conserved immunological defense mechanism among invertebrates. Here, a 3248-bp (full-length) TGase cDNA in Eriocheir sinensis (EsTGase) was cloned, with a 2274-bp open reading frame (ORF) encoding a 757 amino acid protein containing two transglut domains, one TGase/protease-like homolog domain and a KGD (Lys-Gly-Asp) motif. Phylogenetic analysis demonstrated that EsTGase appeared earlier in evolution compared with TGases of other crustaceans and mammals. EsTGase mRNA was mainly detected in hemocytes and up-regulated post-challenge with bacteria (Vibrio parahaemolyticus and Staphylococcus aureus), suggesting an immune function for this gene. Moreover, the EsTGase activity in hemocytes challenged with V. parahaemolyticus and S. aureus was decreased significantly. RNA interference of EsTGase down-regulated expression of immune-related genes CrusEs2, EsLecG and Es-DWD1 with or without bacteria stimulation in vitro. Furthermore, absence of EsTGase led to higher bacterial counts in the hemocyte culture medium. Thus, EsTGase is an important component of the crab immune response and is involved in the regulation of certain immune-related genes, particularly those encoding anti-microbial peptides.
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Affiliation(s)
- You-Ting Zhu
- Laboratory of Invertebrate Immunological Defense & Reproductive Biology, School of Life Science, East China Normal University, Shanghai, China
| | - Dan Li
- Laboratory of Invertebrate Immunological Defense & Reproductive Biology, School of Life Science, East China Normal University, Shanghai, China
| | - Xing Zhang
- Laboratory of Invertebrate Immunological Defense & Reproductive Biology, School of Life Science, East China Normal University, Shanghai, China
| | - Xue-Jie Li
- Laboratory of Invertebrate Immunological Defense & Reproductive Biology, School of Life Science, East China Normal University, Shanghai, China
| | - Wei-Wei Li
- Laboratory of Invertebrate Immunological Defense & Reproductive Biology, School of Life Science, East China Normal University, Shanghai, China.
| | - Qun Wang
- Laboratory of Invertebrate Immunological Defense & Reproductive Biology, School of Life Science, East China Normal University, Shanghai, China.
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Havanapan PO, Taengchaiyaphum S, Ketterman AJ, Krittanai C. Yellow head virus infection in black tiger shrimp reveals specific interaction with granule-containing hemocytes and crustinPm1 as a responsive protein. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2016; 54:126-136. [PMID: 26384157 DOI: 10.1016/j.dci.2015.09.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 09/09/2015] [Accepted: 09/10/2015] [Indexed: 06/05/2023]
Abstract
Yellow head virus (YHV) causes acute infections and mass mortality in black tiger shrimp culture. Our study aims to investigate molecular interaction between YHV and circulating hemocytes of Penaeus monodon at early infection. Total shrimp hemocytes were isolated by Percoll gradient centrifugation and identified by flow cytometric analysis. At least three types of hemocyte cells were identified as hyaline, semi-granular, and granular hemocytes. Experimental infection of YHV in shrimp culture demonstrated drastic changes in total and each hemocyte cell counts. Immunohistochemistry analysis demonstrated interaction and replication of YHV mainly with the granule-containing hemocytes and little to none in hyaline cell. These granule-containing hemocytes are proposed to be YHV targets providing the first line of defense to viral infection. Protein expression profiling of granule-containing hemocytes revealed several immune-responsive proteins including antimicrobial protein crustins (crustinPm1 and crustinPm4), alpha-2-macroglobulin, and kazal-type serine proteinase inhibitor. During an early phase of YHV infection at 6 hpi crustinPm1 illustrated a significant increase of mRNA and protein expression level in plasma. The results suggest that an antimicrobial crustinPm1 may participate in shrimp defense mechanism against YHV, especially on the granule-containing hemocytes.
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Affiliation(s)
- Phattara-Orn Havanapan
- Institute of Molecular Biosciences, Mahidol University, Salaya Campus, Salaya, Nakhonpathom 73170, Thailand
| | - Suparat Taengchaiyaphum
- Institute of Molecular Biosciences, Mahidol University, Salaya Campus, Salaya, Nakhonpathom 73170, Thailand; Shrimp-Virus Interaction Laboratory (ASVI), National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Rama VI Rd., Bangkok, Thailand
| | - Albert J Ketterman
- Institute of Molecular Biosciences, Mahidol University, Salaya Campus, Salaya, Nakhonpathom 73170, Thailand
| | - Chartchai Krittanai
- Institute of Molecular Biosciences, Mahidol University, Salaya Campus, Salaya, Nakhonpathom 73170, Thailand.
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Baruah K, Duy Phong HPP, Norouzitallab P, Defoirdt T, Bossier P. The gnotobiotic brine shrimp (Artemia franciscana) model system reveals that the phenolic compound pyrogallol protects against infection through its prooxidant activity. Free Radic Biol Med 2015; 89:593-601. [PMID: 26459033 DOI: 10.1016/j.freeradbiomed.2015.10.397] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Revised: 10/06/2015] [Accepted: 10/07/2015] [Indexed: 01/06/2023]
Abstract
The phenolic compound pyrogallol is the functional unit of many polyphenols and currently there has been a growing interest in using this compound in human and animal health owing to its health-promoting effects. The biological actions of pyrogallol moiety (and polyphenols) in inducing health benefitting effects have been studied; however, the mechanisms of action remain unclear yet. Here, we aimed at unravelling the underlying mechanism of action behind the protective effects of pyrogallol against bacterial infection by using the gnotobiotically-cultured brine shrimp Artemia franciscana and pathogenic bacteria Vibrio harveyi as host-pathogen model system. The gnotobiotic test system represents an exceptional system for carrying out such studies because it eliminates any possible interference of microbial communities (naturally present in the experimental system) in mechanistic studies and furthermore facilitates the interpretation of the results in terms of a cause effect relationship. We provided clear evidences suggesting that pyrogallol pretreament, at an optimum concentration, induced protective effects in the brine shrimp against V. harveyi infection. By pretreating brine shrimp with pyrogallol in the presence or absence of an antioxidant enzyme mixture (catalase and superoxide dismutase), we showed that the Vibrio-protective effect of the compound was caused by its prooxidant action (e.g. generation of hydrogen peroxide, H2O2). We showed further that generation of prooxidant is linked to the induction of heat shock protein Hsp70, which is involved in eliciting the prophenoloxidase and transglutaminase immune responses. The ability of pyrogallol to induce protective immunity makes it a potential natural protective agent that might be a potential preventive modality for different host-pathogen systems.
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Affiliation(s)
- Kartik Baruah
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Rozier 44, Ghent 9000, Belgium.
| | - Ho Phuong Pham Duy Phong
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Rozier 44, Ghent 9000, Belgium
| | - Parisa Norouzitallab
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Rozier 44, Ghent 9000, Belgium
| | - Tom Defoirdt
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Rozier 44, Ghent 9000, Belgium
| | - Peter Bossier
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Rozier 44, Ghent 9000, Belgium
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Smith VJ, Dyrynda EA. Antimicrobial proteins: From old proteins, new tricks. Mol Immunol 2015; 68:383-98. [PMID: 26320628 DOI: 10.1016/j.molimm.2015.08.009] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Revised: 08/07/2015] [Accepted: 08/10/2015] [Indexed: 01/19/2023]
Abstract
This review describes the main types of antimicrobial peptides (AMPs) synthesised by crustaceans, primarily those identified in shrimp, crayfish, crab and lobster. It includes an overview of their range of microbicidal activities and the current landscape of our understanding of their gene expression patterns in different body tissues. It further summarises how their expression might change following various types of immune challenges. The review further considers proteins or protein fragments from crustaceans that have antimicrobial properties but are more usually associated with other biological functions, or are derived from such proteins. It discusses how these unconventional AMPs might be generated at, or delivered to, sites of infection and how they might contribute to crustacean host defence in vivo. It also highlights recent work that is starting to reveal the extent of multi-functionality displayed by some decapod AMPs, particularly their participation in other aspects of host protection. Examples of such activities include proteinase inhibition, phagocytosis, antiviral activity and haematopoiesis.
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Affiliation(s)
- Valerie J Smith
- Scottish Oceans Institute, School of Biology, University of St Andrews, St Andrews, Fife, KY16 8LB Scotland, UK.
| | - Elisabeth A Dyrynda
- Centre for Marine Biodiversity & Biotechnology, School of Life Sciences, Heriot Watt University, Edinburgh, EH14 4AS Scotland, UK
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Handrkova H, Schroeder V, Kohler HP. The activation peptide of coagulation factor XIII is vital for its expression and stability. J Thromb Haemost 2015; 13:1449-58. [PMID: 26083359 DOI: 10.1111/jth.13035] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Accepted: 05/31/2015] [Indexed: 01/31/2023]
Abstract
BACKGROUND The human activation peptide of factor XIII (AP-FXIII) comprises the first 37 amino acids of the N-terminus and holds the FXIII in an inactive state. FXIII is activated either proteolytically by cleavage of AP-FXIII by thrombin, or non-proteolytically by high calcium concentrations. OBJECTIVE To investigate the role of AP-FXIII in the expression and stability of FXIII. METHODS We cloned 13 FXIII variants with progressive truncations of AP-FXIII from the N-terminus (delN-FXIII-A), expressed them in mammalian cells, and measured their thermostability, activation, and transglutaminase activity. We also used in silico calculations to analyze the stability of hypothetical delN-FXIII dimers and to identify crucial motifs within AP-FXIII. RESULTS Variants with deletions longer than the first 10 amino acids and an R11Q point mutant were not expressed as proteins. In silico calculations indicated that the sequence (8) FGGR(12) R plays a substantial role in intersubunit interactions in FXIII-A2 homodimers. In agreement with this prediction, the temperature stability of delN-FXIII variants decreased with increasing length of deletion. These results may suggest a role of the N-terminus of AP-FXIII in dimer stability. Substantial sequence homology was found among activation peptides of vertebrate and even invertebrate (crustacean) FXIII-A orthologs, which further supports our conclusion. CONCLUSIONS We conclude that deletion of 11 or more N-terminal amino acids disrupts intersubunit interactions, which may prevent FXIII-A2 homodimer formation. Therefore, AP-FXIII plays an important role in the stability of the FXIII-A2 dimer.
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Affiliation(s)
- H Handrkova
- Hemostasis Research Laboratory, University Clinic of Hematology, University Hospital of Bern, Bern, Switzerland
- Department of Clinical Research, University of Bern, Bern, Switzerland
| | - V Schroeder
- Hemostasis Research Laboratory, University Clinic of Hematology, University Hospital of Bern, Bern, Switzerland
- Department of Clinical Research, University of Bern, Bern, Switzerland
| | - H P Kohler
- Hemostasis Research Laboratory, University Clinic of Hematology, University Hospital of Bern, Bern, Switzerland
- Department of Clinical Research, University of Bern, Bern, Switzerland
- Department of Medicine, Spital Netz Bern Hospitals Tiefenau Ziegler, Bern, Switzerland
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Shelby KS, Perera OP, Snodgrass GL. Expression profiles of astakine-like transcripts in the tarnished plant bug, Lygus lineolaris, exposed to fungal spores of Beauveria bassiana. INSECT MOLECULAR BIOLOGY 2015; 24:480-490. [PMID: 26018035 DOI: 10.1111/imb.12175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Revised: 03/12/2015] [Accepted: 04/07/2015] [Indexed: 06/04/2023]
Abstract
Astakines are hematopoietic cytokines originally isolated from crustaceans. We identified three astakine-like transcripts in the tarnished plant bug (Lygus lineolaris), LlAst-1, LlAst-2 and LlAst-3, containing prokineticin domains. Quantitative real-time PCR showed variation in expression patterns of astakines in different tissues and between sexes. Relative expression levels of LlAst-1 were highest in the fat bodies of females, while LlAst-2 expression was highest in the fat bodies of both males and females. LlAst-3 expression was higher in male legs compared with the female legs, but lower in all other tissues. Infection with the entomopathogenic fungus Beauveria bassiana slightly elevated LlAst-1 expression 48 h after infection in both males and females. In contrast, the expression levels of LlAst-2 and LlAst-3 were not significantly changed in males and females. Compared with 12:00 h, LlAst-1 level was higher in both sexes at 18:00 h and 00:00 h (midnight). By 6:00 h, the LlAst-1 level in females was significantly reduced while that in males remained high. LlAst-2 and -3 had highest relative expression levels in females at midnight but were significantly lower than in males at midnight and in both sexes at 18:00 h and 6:00 h. This is the first report of expression of astakine-like cytokines from insects.
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Affiliation(s)
- K S Shelby
- Biological Control of Insects Research Laboratory, USDA, Agricultural Research Service, 1503 S. Providence Road, MO, 65203, Columbia, USA
| | - O P Perera
- Southern Insect Management Research Unit, USDA, Agricultural Research Service, Stoneville, MS, 38776, USA
| | - G L Snodgrass
- Southern Insect Management Research Unit, USDA, Agricultural Research Service, Stoneville, MS, 38776, USA
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Rattanavichai W, Cheng W. Dietary supplement of banana (Musa acuminata) peels hot-water extract to enhance the growth, anti-hypothermal stress, immunity and disease resistance of the giant freshwater prawn, Macrobrachium rosenbergii. FISH & SHELLFISH IMMUNOLOGY 2015; 43:415-426. [PMID: 25634258 DOI: 10.1016/j.fsi.2015.01.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 01/15/2015] [Accepted: 01/19/2015] [Indexed: 06/04/2023]
Abstract
In the present study, Macrobrachium rosenbergii were fed with diets containing extracts of banana, Musa acuminate, fruit's peel (banana peels extract, BPE) at 0, 1.0, 3.0 and 6.0 g kg(-1). The non-specific immune parameters, disease resistance and anti-hypothermal stress were evaluated at 2, 4, 8, 16 and 32 days of post feeding. Also, we demonstrated the percent weight gain (PWG), percent length gain (PLG), feeding efficiency (FE), and survival rate of giant freshwater prawn at 30, 60, 90, and 120 days of post feeding. The PWG, PLG, FE and survival rate of prawns fed at 0, 1.0, 3.0 and 6.0 g kg(-1) BPE-containing diets after 120 days were 69.5%, 75.4%, 77.8% and 83.3%; 21.8%, 23.6%, 27.8% and 33.9%; 0.60, 0.72, 0.75 and 0.90; and 55.4%, 62.2%, 62.3% and 75.3%, respectively. After 32 days of post feeding, a significant increase in total haemocyte count (THC), different haemocyte count (DHC), respiratory bursts (RBs), superoxide dismutase (SOD) activity, glutathione peroxidase (GPx) activity, phenoloxidase (PO) activity and transglutaminase (TG) activity, and meanwhile, a decreased haemolymph coagulation time was observed. Furthermore, phagocytic activity and clearance efficiency of prawns against Lactococcus garvieae infection were significantly increased. Prawns challenged with L. garvieae after 32 days of feeding at 1.0, 3.0 and 6.0 g kg(-1) had a significantly higher survival rate (33.3%, 40.0% and 56.7%) than those fed with the control diet. Subsequently, hypothermal (14 °C) stress was 43.4%, 50.0% and 50.0%, respectively. Altogether, we therefore recommend the dietary BPE administration at 6.0 g kg(-1) promotes growth, anti-hypothermal stress, and enhance immunity and resistance against L. garvieae in M. rosenbergii.
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Affiliation(s)
- Wutti Rattanavichai
- Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan, ROC
| | - Winton Cheng
- Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan, ROC.
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Probing the protective mechanism of poly-ß-hydroxybutyrate against vibriosis by using gnotobiotic Artemia franciscana and Vibrio campbellii as host-pathogen model. Sci Rep 2015; 5:9427. [PMID: 25822312 PMCID: PMC4378509 DOI: 10.1038/srep09427] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Accepted: 02/24/2015] [Indexed: 02/07/2023] Open
Abstract
The compound poly-ß-hydroxybutyrate (PHB), a polymer of the short chain fatty acid ß-hydroxybutyrate, was shown to protect experimental animals against a variety of bacterial diseases, (including vibriosis in farmed aquatic animals), albeit through undefined mechanisms. Here we aimed at unraveling the underlying mechanism behind the protective effect of PHB against bacterial disease using gnotobiotically-cultured brine shrimp Artemia franciscana and pathogenic Vibrio campbellii as host-pathogen model. The gnotobiotic model system is crucial for such studies because it eliminates any possible microbial interference (naturally present in any type of aquatic environment) in these mechanistic studies and furthermore facilitates the interpretation of the results in terms of a cause effect relationship. We showed clear evidences indicating that PHB conferred protection to Artemia host against V. campbellii by a mechanism of inducing heat shock protein (Hsp) 70. Additionally, our results also showed that this salutary effect of PHB was associated with the generation of protective innate immune responses, especially the prophenoloxidase and transglutaminase immune systems – phenomena possibly mediated by PHB-induced Hsp70. From overall results, we conclude that PHB induces Hsp70 and this induced Hsp70 might contribute in part to the protection of Artemia against pathogenic V. campbellii.
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Baruah K, Norouzitallab P, Linayati L, Sorgeloos P, Bossier P. Reactive oxygen species generated by a heat shock protein (Hsp) inducing product contributes to Hsp70 production and Hsp70-mediated protective immunity in Artemia franciscana against pathogenic vibrios. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2014; 46:470-479. [PMID: 24950414 DOI: 10.1016/j.dci.2014.06.004] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Revised: 06/10/2014] [Accepted: 06/10/2014] [Indexed: 06/03/2023]
Abstract
The cytoprotective role of heat shock protein (Hsp70) described in a variety of animal disease models, including vibriosis in farmed aquatic animals, suggests that new protective strategies relying upon the use of compounds that selectively turn on Hsp genes could be developed. The product Tex-OE® (hereafter referred to as Hspi), an extract from the skin of the prickly pear fruit, Opuntia ficus indica, was previously shown to trigger Hsp70 synthesis in a non-stressful situation in a variety of animals, including in a gnotobiotically (germ-free) cultured brine shrimp Artemia franciscana model system. This model system offers great potential for carrying out high-throughput, live-animal screens of compounds that have health benefit effects. By using this model system, we aimed to disclose the underlying cause behind the induction of Hsp70 by Hspi in the shrimp host, and to determine whether the product affects the shrimp in inducing resistance towards pathogenic vibrios. We provide unequivocal evidences indicating that during the pretreatment period with Hspi, there is an initial release of reactive oxygen species (hydrogen peroxide and/or superoxide anion), generated by the added product, in the rearing water and associated with the host. The reactive molecules generated are the triggering factors responsible for causing Hsp70 induction within Artemia. We have also shown that Hspi acts prophylactically at an optimum dose regimen to confer protection against pathogenic vibrios. This salutary effect was associated with upregulation of two important immune genes, prophenoloxidase and transglutaminase of the innate immune system. These findings suggest that inducers of stress protein (e.g. Hsp70) are potentially important modulator of immune responses and might be exploited to confer protection to cultured shrimp against Vibrio infection.
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Affiliation(s)
- Kartik Baruah
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Rozier 44, Gent 9000, Belgium.
| | - Parisa Norouzitallab
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Rozier 44, Gent 9000, Belgium
| | - Linayati Linayati
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Rozier 44, Gent 9000, Belgium
| | - Patrick Sorgeloos
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Rozier 44, Gent 9000, Belgium
| | - Peter Bossier
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Rozier 44, Gent 9000, Belgium
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High salinity induced expression profiling of differentially expressed genes in shrimp (Penaeus monodon). Mol Biol Rep 2014; 41:6275-89. [DOI: 10.1007/s11033-014-3510-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Accepted: 06/19/2014] [Indexed: 10/25/2022]
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