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Hwang HJ, Patnaik BB, Baliarsingh S, Patnaik HH, Sang MK, Park JE, Cho HC, Song DK, Jeong JY, Hong CE, Kim YT, Sin HJ, Ziwei L, Park SY, Kang SW, Jeong HC, Park HS, Han YS, Lee YS. Transcriptome analysis of the endangered dung beetle Copris tripartitus (Coleoptera: Scarabaeidae) and characterization of genes associated to immunity, growth, and reproduction. BMC Genomics 2023; 24:94. [PMID: 36864388 PMCID: PMC9979532 DOI: 10.1186/s12864-023-09122-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 01/09/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND Dung beetles recycle organic matter through the decomposition of feces and support ecological balance. However, these insects are threatened by the indiscriminate use of agrochemicals and habitat destruction. Copris tripartitus Waterhouse (Coleoptera: Scarabaeidae), a dung beetle, is listed as a class-II Korean endangered species. Although the genetic diversity of C. tripartitus populations has been investigated through analysis of mitochondrial genes, genomic resources for this species remain limited. In this study, we analyzed the transcriptome of C. tripartitus to elucidate functions related to growth, immunity and reproduction for the purpose of informed conservation planning. RESULTS The transcriptome of C. tripartitus was generated using next-generation Illumina sequencing and assembled de novo using a Trinity-based platform. In total, 98.59% of the raw sequence reads were processed as clean reads. These reads were assembled into 151,177 contigs, 101,352 transcripts, and 25,106 unigenes. A total of 23,450 unigenes (93.40%) were annotated to at least one database. The largest proportion of unigenes (92.76%) were annotated to the locally curated PANM-DB. A maximum of 5,512 unigenes had homologous sequences in Tribolium castaneum. Gene Ontology (GO) analysis revealed a maximum of 5,174 unigenes in the Molecular function category. Further, in Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis, a total of 462 enzymes were associated with established biological pathways. Based on sequence homology to known proteins in PANM-DB, representative immunity, growth, and reproduction-related genes were screened. Potential immunity-related genes were categorized into pattern recognition receptors (PRRs), the Toll-like receptor signaling pathway, the MyD88- dependent pathway, endogenous ligands, immune effectors, antimicrobial peptides, apoptosis, and adaptation-related transcripts. Among PRRs, we conducted detailed in silico characterization of TLR-2, CTL, and PGRP_SC2-like. Repetitive elements such as long terminal repeats, short interspersed nuclear elements, long interspersed nuclear elements and DNA elements were enriched in the unigene sequences. A total of 1,493 SSRs were identified among all unigenes of C. tripartitus. CONCLUSIONS This study provides a comprehensive resource for analysis of the genomic topography of the beetle C. tripartitus. The data presented here clarify the fitness phenotypes of this species in the wild and provide insight to support informed conservation planning.
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Affiliation(s)
- Hee Ju Hwang
- Korea Native Animal Resources Utilization Convergence Research Institute (KNAR), Soonchunhyang University, Asan, Chungnam, South Korea
| | - Bharat Bhusan Patnaik
- Korea Native Animal Resources Utilization Convergence Research Institute (KNAR), Soonchunhyang University, Asan, Chungnam, South Korea.,PG Department of Biosciences and Biotechnology, Fakir Mohan University, Balasore-, Odisha, 756089, India.,Department of Biology, College of Natural Sciences, Soonchunhyang University, Asan, Chungnam, South Korea
| | - Snigdha Baliarsingh
- PG Department of Biosciences and Biotechnology, Fakir Mohan University, Balasore-, Odisha, 756089, India
| | - Hongray Howrelia Patnaik
- Korea Native Animal Resources Utilization Convergence Research Institute (KNAR), Soonchunhyang University, Asan, Chungnam, South Korea
| | - Min Kyu Sang
- Research Support Center (Core-Facility) for Bio-Bigdata Analysis and Utilization of Biological Resources, Soonchunhyang University, Asan, Chungnam, South Korea
| | - Jie Eun Park
- Korea Native Animal Resources Utilization Convergence Research Institute (KNAR), Soonchunhyang University, Asan, Chungnam, South Korea.,Department of Biology, College of Natural Sciences, Soonchunhyang University, Asan, Chungnam, South Korea
| | - Hang Chul Cho
- iLAB, INSILICOGEN, INC. #2901~2904, Tower-Dong A, HEUNGDEOK IT VALLEY, 13, Heungdeok 1-Ro, Giheung-Gu, Yongin-Si, 16954, Gyeonggi-do, Korea
| | - Dae Kwon Song
- Korea Native Animal Resources Utilization Convergence Research Institute (KNAR), Soonchunhyang University, Asan, Chungnam, South Korea.,Department of Biology, College of Natural Sciences, Soonchunhyang University, Asan, Chungnam, South Korea
| | - Jun Yang Jeong
- Korea Native Animal Resources Utilization Convergence Research Institute (KNAR), Soonchunhyang University, Asan, Chungnam, South Korea.,Department of Biology, College of Natural Sciences, Soonchunhyang University, Asan, Chungnam, South Korea
| | - Chan Eui Hong
- Korea Native Animal Resources Utilization Convergence Research Institute (KNAR), Soonchunhyang University, Asan, Chungnam, South Korea.,Department of Biology, College of Natural Sciences, Soonchunhyang University, Asan, Chungnam, South Korea
| | - Yong Tae Kim
- Korea Native Animal Resources Utilization Convergence Research Institute (KNAR), Soonchunhyang University, Asan, Chungnam, South Korea.,Department of Biology, College of Natural Sciences, Soonchunhyang University, Asan, Chungnam, South Korea
| | - Hyeon Jun Sin
- Department of Biology, College of Natural Sciences, Soonchunhyang University, Asan, Chungnam, South Korea
| | - Liu Ziwei
- Department of Biology, College of Natural Sciences, Soonchunhyang University, Asan, Chungnam, South Korea
| | - So Young Park
- Biodiversity Research Team, Animal & Plant Research Department, Nakdonggang National Institute of Biological Resources, Sangju, Gyeongbuk, South Korea
| | - Se Won Kang
- Biological Resource Center (BRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup, Jeonbuk, South Korea
| | - Heon Cheon Jeong
- Korea Native Animal Resources Utilization Convergence Research Institute (KNAR), Soonchunhyang University, Asan, Chungnam, South Korea
| | - Hong Seog Park
- Research Institute, GnC BIO Co., LTD., 621-6 Banseok-Dong, Yuseong-Gu, Daejeon, 34069, Korea
| | - Yeon Soo Han
- College of Agriculture and Life Science, Chonnam National University, 77 Yongbong-Ro, Buk-Gu, Gwangju, 61186, South Korea
| | - Yong Seok Lee
- Korea Native Animal Resources Utilization Convergence Research Institute (KNAR), Soonchunhyang University, Asan, Chungnam, South Korea. .,Department of Biology, College of Natural Sciences, Soonchunhyang University, Asan, Chungnam, South Korea. .,Research Support Center (Core-Facility) for Bio-Bigdata Analysis and Utilization of Biological Resources, Soonchunhyang University, Asan, Chungnam, South Korea.
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Yu F, Chen J, Lin J, Zhong Z, Lu Y, Zeng X, Lei X. TLR4 involved in immune response against Vibrio Parahaemolyticus by MyD88-dependent pathway in Crassostrea hongkongensis. FISH & SHELLFISH IMMUNOLOGY 2023; 134:108591. [PMID: 36746228 DOI: 10.1016/j.fsi.2023.108591] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/27/2022] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
Vibrio parahaemolyticus (V. parahaemolyticus) is a salt-loving gram-negative bacterium, and is the leading cause of mortality in cultured shellfish in recent years. Toll-like Receptor 4 (TLR4) is a classical pattern recognition receptor (PRRs) that recognizes pathogen-associated molecular patterns (PAMPs) of pathogenic microorganism and activates the immune response. However, the function and signal pathway of TLR4 in oyster are still unknown. In this study, a new TLR4 gene was identified from the Crassostrea hongkongensis (C. hongkongensis). The ChTLR4 contained an open reading frame of 2643 bp, encoding 880 amino acids with seven leucine-rich repeat (LRR) domains and a Toll/IL-1R (TIR) domain. The ChTLR4 shared the highest sequence identity (83.0%) with TLR4 of Crassostrea gigas. Tissue expression analysis revealed that ChTLR4 showed the highest constitutive expression in the gill and hepatopancreas, and was significantly upregulated in immune tissues post V. parahaemolyticus infection, especially in gill and hemocytes. Moreover, TLR4 silencing significantly inhibited the immune-enzyme activities, including SOD, CAT, ACP, AKP in gill and LZM in hemolymph supernatant, and increased MDA content in hemolymph supernatant. Meanwhile, the antimicrobial activities of the hemolymph supernatant were also significantly inhibited by TLR4 silencing. These data demonstrated that the ChTLR4 involved in innate immune response of C. hongkongensis against V. parahaemolyticus challenge. Finally, qRT-PCR analysis showed that ChTLR4 silencing clearly inhibited the expression of genes in TLR4-MyD88 pathway, indicating that MyD88-dependent pathway played a crucial role in ChTLR4-mediated immune response against V. parahaemolyticus.
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Affiliation(s)
- Feifei Yu
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Academician Joint Laboratory of Germplasm Resource Exploitation, Utilization and Health Assessment for Aquatic Animal, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Jiayu Chen
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Academician Joint Laboratory of Germplasm Resource Exploitation, Utilization and Health Assessment for Aquatic Animal, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Jinji Lin
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Academician Joint Laboratory of Germplasm Resource Exploitation, Utilization and Health Assessment for Aquatic Animal, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Zhiming Zhong
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Yishan Lu
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Academician Joint Laboratory of Germplasm Resource Exploitation, Utilization and Health Assessment for Aquatic Animal, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Guangdong Provincial Engineering Research Center for Aquatic Animal Health Assessment, Shenzhen Public Service Platform for Evaluation of Marine Economic Animal Seedings, Shenzhen Institute of Guangdong Ocean University, Shenzhen, Guangdong, 518000, China.
| | - Xiangrong Zeng
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Xiaoya Lei
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
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Mazumder S, Sinha A, Ghosh S, Sharma GC, Prusty BM, Manna D, Pal D, Pal C, Dasgupta S. Leishmania LPG interacts with LRR5/LRR6 of macrophage TLR4 for parasite invasion and impairs the macrophage functions. Pathog Dis 2023; 81:ftad019. [PMID: 37604789 DOI: 10.1093/femspd/ftad019] [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: 03/24/2023] [Revised: 08/14/2023] [Accepted: 08/18/2023] [Indexed: 08/23/2023] Open
Abstract
Visceral leishmaniasis (VL) is a severe form of leishmaniasis, primarily affecting the poor in developing countries. Although several studies have highlighted the importance of toll-like receptors (TLRs) in the pathophysiology of leishmaniasis, the role of specific TLRs and their binding partners involved in Leishmania donovani uptake are still elusive. To investigate the mechanism of L. donovani entry inside the macrophages, we found that the parasite lipophosphoglycan (LPG) interacted with the macrophage TLR4, leading to parasite uptake without any significant alteration of macrophage cell viability. Increased parasite numbers within macrophages markedly inhibited lipopolysachharide-induced pro-inflammatory cytokines gene expression. Silencing of macrophage-TLR4, or inhibition of parasite-LPG, significantly stemmed parasite infection in macrophages. Interestingly, we observed a significant enhancement of macrophage migration, and generation of reactive oxygen species (ROS) in the parasite-infected TLR4-silenced macrophages, whereas parasite infection in TLR4-overexpressed macrophages exhibited a notable reduction of macrophage migration and ROS generation. Moreover, mutations in the leucine-rich repeats (LRRs), particularly LRR5 and LRR6, significantly prevented TLR4 interaction with LPG, thus inhibiting cellular parasite entry. All these results suggest that parasite LPG recognition by the LRR5 and LRR6 of macrophage-TLR4 facilitated parasite entry, and impaired macrophage functions. Therefore, targeting LRR5/LRR6 interactions with LPG could provide a novel option to prevent VL.
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Affiliation(s)
- Sayani Mazumder
- Metabolic Disease Biology Laboratory, Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur 784028, Assam, India
| | - Archana Sinha
- Metabolic Disease Biology Laboratory, Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur 784028, Assam, India
| | - Sanhita Ghosh
- Cellular Immunology and Vector Molecular Biology Laboratory, Department of Zoology, West Bengal State University, Barasat 700126, West Bengal, India
| | - Gurumayum Chourajit Sharma
- Metabolic Disease Biology Laboratory, Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur 784028, Assam, India
| | - Biswa Mohan Prusty
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Debasis Manna
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Durba Pal
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar 140001, Punjab, India
| | - Chiranjib Pal
- Cellular Immunology and Vector Molecular Biology Laboratory, Department of Zoology, West Bengal State University, Barasat 700126, West Bengal, India
| | - Suman Dasgupta
- Metabolic Disease Biology Laboratory, Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur 784028, Assam, India
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Sousa C, Fernandes SA, Cardoso JCR, Wang Y, Zhai W, Guerreiro PM, Chen L, Canário AVM, Power DM. Toll-Like Receptor Evolution: Does Temperature Matter? Front Immunol 2022; 13:812890. [PMID: 35237266 PMCID: PMC8882821 DOI: 10.3389/fimmu.2022.812890] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 01/03/2022] [Indexed: 11/13/2022] Open
Abstract
Toll-like receptors (TLRs) recognize conserved pathogen-associated molecular patterns (PAMPs) and are an ancient and well-conserved group of pattern recognition receptors (PRRs). The isolation of the Antarctic continent and its unique teleost fish and microbiota prompted the present investigation into Tlr evolution. Gene homologues of tlr members in teleosts from temperate regions were present in the genome of Antarctic Nototheniidae and the non-Antarctic sister lineage Bovichtidae. Overall, in Nototheniidae apart from D. mawsoni, no major tlr gene family expansion or contraction occurred. Instead, lineage and species-specific changes in the ectodomain and LRR of Tlrs occurred, particularly in the Tlr11 superfamily that is well represented in fish. Positive selective pressure and associated sequence modifications in the TLR ectodomain and within the leucine-rich repeats (LRR), important for pathogen recognition, occurred in Tlr5, Tlr8, Tlr13, Tlr21, Tlr22, and Tlr23 presumably associated with the unique Antarctic microbiota. Exposure to lipopolysaccharide (Escherichia coli O111:B4) Gram negative bacteria did not modify tlr gene expression in N. rossii head–kidney or anterior intestine, although increased water temperature (+4°C) had a significant effect.
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Affiliation(s)
- Cármen Sousa
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Faro, Portugal
| | | | - João C. R. Cardoso
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Faro, Portugal
| | - Ying Wang
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University (SHOU), Shanghai, China
| | - Wanying Zhai
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University (SHOU), Shanghai, China
| | - Pedro M. Guerreiro
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Faro, Portugal
| | - Liangbiao Chen
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University (SHOU), Shanghai, China
| | - Adelino V. M. Canário
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Faro, Portugal
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University (SHOU), Shanghai, China
| | - Deborah M. Power
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Faro, Portugal
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University (SHOU), Shanghai, China
- *Correspondence: Deborah M. Power,
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