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Yu K, Song X, Zhang J, Chen R, Liu G, Xu X, Lu X, Ning J, Liu B, Zhang X, Wang F, Wang Y, Wang C. Transcriptomic profiling of the thermal tolerance in two subspecies of the bay scallop Argopecten irradians. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2024; 51:101246. [PMID: 38781887 DOI: 10.1016/j.cbd.2024.101246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 05/08/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024]
Abstract
The bay scallop is a eurythermal species with high economic value and now represents the most cultured bivalve species in China. Two subspecies of the bay scallop, the northern subspecies Argopecten irradians irradians Korean population (KK) and the southern subspecies Argopecten irradians concentricus (MM), exhibited distinct adaptations to heat stress. However, the molecular mechanism of heat resistance of the two subspecies remains unclear. In this study, we compared the transcriptomic responses of the two subspecies to heat stress and identified the involved differentially expressed genes (DEGs) and pathways. More DEGs were found in the KK than in the MM when exposed to high temperatures, indicating elevated sensitivity to thermal stress in the KK. Enrichment analysis suggests that KK scallops may respond to heat stress more swiftly by regulating GTPase activity. Meanwhile, MM scallops exhibited higher resistance to heat stress mainly by effective activation of their antioxidant system. Chaperone proteins may play different roles in responses to heat stress in the two subspecies. In both subspecies, the expression levels of antioxidants such as GST were significantly increased; the glycolysis process regulated by PC and PCK1 was greatly intensified; and both apoptotic and anti-apoptotic systems were significantly activated. The pathways related to protein translation and hydrolysis, oxidoreductase activity, organic acid metabolism, and cell apoptosis may also play pivotal roles in the responses to heat stress. The results of this study may provide a theoretical basis for marker-assisted breeding of heat-resistant strains.
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Affiliation(s)
- Kai Yu
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong 266109, China
| | - Xinyu Song
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China
| | - Jianbai Zhang
- Yantai Marine Economic Research Institute, Yantai 265503, China
| | - Rongjie Chen
- Laizhou Marine Development and Fishery Service Center, Laizhou, Shandong 261400, China
| | - Guilong Liu
- Yantai Spring-Sea AquaSeed Co., Ltd., Yantai, Shandong 265503, China
| | - Xin Xu
- Yantai Spring-Sea AquaSeed Co., Ltd., Yantai, Shandong 265503, China
| | - Xia Lu
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China
| | - Junhao Ning
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China
| | - Bo Liu
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong 266109, China
| | - Xiaotong Zhang
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong 266109, China
| | - Fukai Wang
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong 266109, China
| | - Yinchu Wang
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China; National Basic Science Data Center, Beijing 100190, China.
| | - Chunde Wang
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong 266109, China; Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China.
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Ma J, Chen J, Cui J, Liu W, Qu Y, Lu X, Wang A, Huang B, Wang X. A molluscan IRF interacts with IKKα/β family protein and modulates NF-κB and MAPK activity. Int J Biol Macromol 2024; 256:128319. [PMID: 38000607 DOI: 10.1016/j.ijbiomac.2023.128319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 10/25/2023] [Accepted: 11/12/2023] [Indexed: 11/26/2023]
Abstract
Interferon regulatory factor (IRF) family proteins are key transcription factors involved in vital physiological processes such as immune defense. However, the function of IRF in invertebrates, especially in marine shellfish is not clear. In this study, a new IRF gene (CfIRF2) was identified in the Zhikong scallop, Chlamys farreri, and its immune function was analyzed. CfIRF2 has an open reading frame of 1107 bp encoding 368 amino acids. The N-terminus of CfIRF2 consists of a typical IRF domain, with conserved amino acid sequences. Phylogenetic analysis suggested close evolutionary relationship with shellfish IRF1 subfamily proteins. Expression pattern analysis showed that CfIRF2 mRNA was expressed in all tissues, with the highest expression in the hepatopancreas and gills. CfIRF2 gene expression was substantially enhanced by a pathogenic virus (such as acute viral necrosis virus) and poly(I:C) challenge. Co-immunoprecipitation assay identified CfIRF2 interaction with the IKKα/β family protein CfIKK1 of C. farreri, demonstrating a unique signal transduction mechanism in marine mollusks. Moreover, CfIRF2 interacted with itself to form homologous dimers. Overexpression of CfIRF2 in HEK293T cells activated reporter genes containing interferon stimulated response elements and NF-κB genes in a dose-dependent manner and promoted the phosphorylation of protein kinases (JNK, Erk1/2, and P38). Our results provide insights into the functions of IRF in mollusks innate immunity and also provide valuable information for enriching comparative immunological theory for the prevention of diseases in scallop farming.
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Affiliation(s)
- Jilv Ma
- School of Agriculture, Ludong University, Yantai, China
| | - Jiwen Chen
- School of Agriculture, Ludong University, Yantai, China
| | - Jie Cui
- School of Agriculture, Ludong University, Yantai, China
| | - Wenjuan Liu
- School of Agriculture, Ludong University, Yantai, China
| | - Yifan Qu
- School of Agriculture, Ludong University, Yantai, China
| | - Xiuqi Lu
- School of Agriculture, Ludong University, Yantai, China
| | - Anhao Wang
- School of Agriculture, Ludong University, Yantai, China
| | - Baoyu Huang
- School of Agriculture, Ludong University, Yantai, China.
| | - Xiaotong Wang
- School of Agriculture, Ludong University, Yantai, China.
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Scallop interferon regulatory factor 1 interacts with myeloid differentiation primary response protein 88 and is crucial for antiviral innate immunity. Int J Biol Macromol 2022; 222:1250-1263. [DOI: 10.1016/j.ijbiomac.2022.09.248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 09/17/2022] [Accepted: 09/27/2022] [Indexed: 11/17/2022]
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Liu Q, Li F, Liu W, Huang B, Li L, Wang X, Sang X, Dong J, Ma J, Chen J, Wei L, Liu Y, Zhang M, Han Y, Wang X. Transcriptional expression analysis reveals multiple effects of nonylphenol exposure on scallop immune system. FISH & SHELLFISH IMMUNOLOGY 2022; 123:290-297. [PMID: 35306177 DOI: 10.1016/j.fsi.2022.03.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/06/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Nonylphenol (NP) is an endocrine disruptor and environmental hormone representing alkylphenol compounds. Marine mollusks are an important source of protein for people worldwide. Many researchers have begun to study the effect of NP on marine mollusks immune system in view of its toxicity; however, the underlying molecular mechanisms require in-depth analysis. In this study, we focused on the transcriptional expression change of immune-related genes and antioxidant enzymes activities variation after NP exposure in a marine bivalve mollusk, Chlamys farreri, to explore the immunomodulatory capacity of NP in marine mollusks. We identified MAVS (Mitochondrial antiviral signaling protein), a key adaptor molecule in the RLR (RIG-I like receptor) pathway, and studied the expression of multiple immune-related genes in response to different concentrations of NP. The key genes involved in RLR/TLR (Toll like receptor) innate immune pathway, apoptosis, and cellular antioxidation mechanism were investigated. Changes in the enzymatic activities of scallop antioxidant enzymes after NP exposure were also examined. The results revealed that the genes expression and the antioxidant enzymes activities show significant changes, thus proving that NP stimulation affects the scallop immune system. Our research results demonstrate the immunomodulatory capacity of NP in marine bivalve mollusks and lay the foundation for further in-depth analysis of the molecular mechanism of NP toxicity.
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Affiliation(s)
- Qian Liu
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Fangshu Li
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Wenjuan Liu
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Baoyu Huang
- School of Agriculture, Ludong University, Yantai, 264025, China.
| | - Lingling Li
- School of Agriculture, Ludong University, Yantai, 264025, China; Ocean School, Yantai University, Yantai, 264005, China
| | - Xiaona Wang
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Xiuxiu Sang
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Juan Dong
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Jilv Ma
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Jiwen Chen
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Lei Wei
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Yaqiong Liu
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Meiwei Zhang
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Yijing Han
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Xiaotong Wang
- School of Agriculture, Ludong University, Yantai, 264025, China.
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Witkop EM, Proestou DA, Gomez-Chiarri M. The expanded inhibitor of apoptosis gene family in oysters possesses novel domain architectures and may play diverse roles in apoptosis following immune challenge. BMC Genomics 2022; 23:201. [PMID: 35279090 PMCID: PMC8917759 DOI: 10.1186/s12864-021-08233-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 12/06/2021] [Indexed: 11/23/2022] Open
Abstract
Background Apoptosis plays important roles in a variety of functions, including immunity and response to environmental stress. The Inhibitor of Apoptosis (IAP) gene family of apoptosis regulators is expanded in molluscs, including eastern, Crassostrea virginica, and Pacific, Crassostrea gigas, oysters. The functional importance of IAP expansion in apoptosis and immunity in oysters remains unknown. Results Phylogenetic analysis of IAP genes in 10 molluscs identified lineage specific gene expansion in bivalve species. Greater IAP gene family expansion was observed in C. virginica than C. gigas (69 vs. 40), resulting mainly from tandem duplications. Functional domain analysis of oyster IAP proteins revealed 3 novel Baculoviral IAP Repeat (BIR) domain types and 14 domain architecture types across gene clusters, 4 of which are not present in model organisms. Phylogenetic analysis of bivalve IAPs suggests a complex history of domain loss and gain. Most IAP genes in oysters (76% of C. virginica and 82% of C. gigas), representing all domain architecture types, were expressed in response to immune challenge (Ostreid Herpesvirus OsHV-1, bacterial probionts Phaeobacter inhibens and Bacillus pumilus, several Vibrio spp., pathogenic Aliiroseovarius crassostreae, and protozoan parasite Perkinsus marinus). Patterns of IAP and apoptosis-related differential gene expression differed between the two oyster species, where C. virginica, in general, differentially expressed a unique set of IAP genes in each challenge, while C. gigas differentially expressed an overlapping set of IAP genes across challenges. Apoptosis gene expression patterns clustered mainly by resistance/susceptibility of the oyster host to immune challenge. Weighted Gene Correlation Network Analysis (WGCNA) revealed unique combinations of transcripts for 1 to 12 IAP domain architecture types, including novel types, were significantly co-expressed in response to immune challenge with transcripts in apoptosis-related pathways. Conclusions Unprecedented diversity characterized by novel BIR domains and protein domain architectures was observed in oyster IAPs. Complex patterns of gene expression of novel and conserved IAPs in response to a variety of ecologically-relevant immune challenges, combined with evidence of direct co-expression of IAP genes with apoptosis-related transcripts, suggests IAP expansion facilitates complex and nuanced regulation of apoptosis and other immune responses in oysters. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-08233-6.
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Wu D, Wang C, Zhang W, Peng K, Sheng J, Wang J, Jain A, Hong Y. Molecular characterization of an inhibitor of apoptosis protein ( IAPs) in freshwater pearl mussel, Hyriopsis schlegelii. Bioengineered 2020; 10:365-373. [PMID: 31446833 PMCID: PMC6738449 DOI: 10.1080/21655979.2019.1653738] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
The inhibitor of apoptosis proteins (IAPs) played important roles in inhibiting the apoptosis of tumor cells by regulating caspase activity in mammals. In this study, we first cloned the full-length cDNA sequence of IAPs gene (designated as Hs-IAPs) in Hyriopsis schlegelii. The Hs-IAPs gene contained an open reading frame of 1719 nucleotides, encoding a predicted protein of 572 amino acids. qRT-PCR assay indicated that the Hs-IAPs gene was ubiquitously expressed in different tissues, and the highest expression level was in gills. Furthermore, we purified and obtained the recombinant protein of Hs-IAPs which showed a molecular weight of 82.5 kDa. We used H2O2 stimulation experiment to explore the possible function of Hs-IAPs. The results showed that the percentage of viable cells significantly increased following the Hs-IAPs concentration. These indicated that the Hs-IAPs may play a role in anti-oxidation causing by H2O2, and its anti-oxidative may be crucial in the process of apoptosis.
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Affiliation(s)
- Di Wu
- School of Life Sciences, Nanchang University , Nanchang , China
| | - Chengyuan Wang
- School of Life Sciences, Nanchang University , Nanchang , China.,Jiangzhong dietary therapy technology Co. LTD , Jiangxi , China
| | - Wanchang Zhang
- School of Life Sciences, Nanchang University , Nanchang , China
| | - Kou Peng
- School of Life Sciences, Nanchang University , Nanchang , China
| | - Junqing Sheng
- School of Life Sciences, Nanchang University , Nanchang , China
| | - Junhua Wang
- School of Life Sciences, Nanchang University , Nanchang , China
| | - Archana Jain
- Key Laboratory of Basic Pharmacology and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University , Guizhou , China
| | - Yijiang Hong
- School of Life Sciences, Nanchang University , Nanchang , China.,Key Lab of Aquatic Resources and Utilization of Jiangxi , Nanchang , China
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Paces J, Nic M, Novotny T, Svoboda P. Literature review of baseline information to support the risk assessment of RNAi‐based GM plants. ACTA ACUST UNITED AC 2017. [PMCID: PMC7163844 DOI: 10.2903/sp.efsa.2017.en-1246] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jan Paces
- Institute of Molecular Genetics of the Academy of Sciences of the Czech Republic (IMG)
| | | | | | - Petr Svoboda
- Institute of Molecular Genetics of the Academy of Sciences of the Czech Republic (IMG)
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