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Jia LS, Liu Z, Zhu SH, Zhao QP, Han HY, Zhao HZ, Yu Y, Dong H. Quantitative phosphoproteomic analysis of chicken DF-1 cells infected with Eimeria tenella, using tandem mass tag (TMT) and parallel reaction monitoring (PRM) mass spectrometry. Parasite 2024; 31:23. [PMID: 38759153 PMCID: PMC11101204 DOI: 10.1051/parasite/2024027] [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: 11/13/2023] [Accepted: 05/01/2024] [Indexed: 05/19/2024] Open
Abstract
Eimeria tenella is an obligate intracellular parasite which causes great harm to the poultry breeding industry. Protein phosphorylation plays a vital role in host cell-E. tenella interactions. However, no comprehensive phosphoproteomic analyses of host cells at various phases of E. tenella infection have been published. In this study, quantitative phosphoproteomic analysis of chicken embryo DF-1 fibroblasts that were uninfected (UI) or infected with E. tenella for 6 h (PI6, the early invasion phase) or 36 h (PI36, the trophozoite development phase) was conducted. A total of 10,122 phosphopeptides matched to 3,398 host cell phosphoproteins were identified and 13,437 phosphorylation sites were identified. Of these, 491, 1,253, and 275 differentially expressed phosphorylated proteins were identified in the PI6/UI, PI36/UI, and PI36/PI6 comparisons, respectively. KEGG pathway enrichment analysis showed that E. tenella modulated host cell processes through phosphorylation, including focal adhesion, regulation of the actin cytoskeleton, and FoxO signaling to support its early invasion phase, and modulating adherens junctions and the ErbB signaling pathway to favor its trophozoite development. These results enrich the data on the interaction between E. tenella and host cells and facilitate a better understanding of the molecular mechanisms underlying host-parasite relationships.
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Affiliation(s)
- Liu-Shu Jia
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture Minhang Shanghai 200241 PR China
| | - Zhan Liu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture Minhang Shanghai 200241 PR China
| | - Shun-Hai Zhu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture Minhang Shanghai 200241 PR China
| | - Qi-Ping Zhao
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture Minhang Shanghai 200241 PR China
| | - Hong-Yu Han
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture Minhang Shanghai 200241 PR China
| | - Huan-Zhi Zhao
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture Minhang Shanghai 200241 PR China
| | - Yu Yu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture Minhang Shanghai 200241 PR China
| | - Hui Dong
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture Minhang Shanghai 200241 PR China
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Liu Z, Geng X, Zhao Q, Zhu S, Han H, Yu Y, Huang W, Yao Y, Huang B, Dong H. Effects of host vimentin on Eimeria tenella sporozoite invasion. Parasit Vectors 2022; 15:8. [PMID: 34983604 PMCID: PMC8729122 DOI: 10.1186/s13071-021-05107-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 11/19/2021] [Indexed: 12/23/2022] Open
Abstract
Background Chicken coccidiosis is a parasitic disease caused by Eimeria of Apicomplexa, which has caused great economic loss to the poultry breeding industry. Host vimentin is a key protein in the process of infection of many pathogens. In an earlier phosphorylation proteomics study, we found that the phosphorylation level of host vimentin was significantly regulated after Eimeria tenella sporozoite infection. Therefore, we explored the role of host vimentin in the invasion of host cells by sporozoites. Methods Chicken vimentin protein was cloned and expressed. We used qPCR, western blotting, and indirect immunofluorescence to detect levels of mRNA transcription, translation, and phosphorylation, and changes in the distribution of vimentin after E. tenella sporozoite infection. The sporozoite invasion rate in DF-1 cells treated with vimentin polyclonal antibody or with small interfering RNA (siRNA), which downregulated vimentin expression, was assessed by an in vitro invasion test. Results The results showed that vimentin transcription and translation levels increased continually at 6–72 h after E. tenella sporozoite infection, and the total phosphorylation levels of vimentin also changed. About 24 h after sporozoite infection, vimentin accumulated around sporozoites in DF-1 cells. Treating DF-1 cells with vimentin polyclonal antibody or downregulating vimentin expression by siRNA significantly improved the invasion efficiency of sporozoites. Conclusion In this study, we showed that vimentin played an inhibitory role during the invasion of sporozoites. These data provided a foundation for clarifying the relationship between Eimeria and the host. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13071-021-05107-4.
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Affiliation(s)
- Zhan Liu
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Minhang, 200241, Shanghai, People's Republic of China
| | - Xiangfei Geng
- Beijing YuanDa Spark Medicine Technology Co., Ltd, Beijing, 100088, People's Republic of China
| | - Qiping Zhao
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Minhang, 200241, Shanghai, People's Republic of China
| | - Shunhai Zhu
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Minhang, 200241, Shanghai, People's Republic of China
| | - Hongyu Han
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Minhang, 200241, Shanghai, People's Republic of China
| | - Yu Yu
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Minhang, 200241, Shanghai, People's Republic of China
| | - Wenhao Huang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Minhang, 200241, Shanghai, People's Republic of China
| | - Yawen Yao
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Minhang, 200241, Shanghai, People's Republic of China
| | - Bing Huang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Minhang, 200241, Shanghai, People's Republic of China
| | - Hui Dong
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Minhang, 200241, Shanghai, People's Republic of China.
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Li J, Yang X, Jia Z, Ma C, Pan X, Ma D. Activation of ChTLR15/ChNF-κB-ChNLRP3/ChIL-1β signaling transduction pathway mediated inflammatory responses to E. tenella infection. Vet Res 2021; 52:15. [PMID: 33514434 PMCID: PMC7844922 DOI: 10.1186/s13567-020-00885-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 12/23/2020] [Indexed: 11/10/2022] Open
Abstract
Avian coccidiosis caused by Eimeria leads to severe economic losses in the global poultry industry. Although chicken Toll-like receptor 15 (ChTLR15) was reported to be involved in Eimeria infection, the detailed mechanism underlying its role in the inflammatory response remains to be discovered. The present study demonstrated that the mRNA expression levels of ChTLR15, ChMyD88, ChNF-κB, ChNLRP3, ChCaspase-1, ChIL-18 and ChIL-1β and the protein levels of ChTLR15 and ChNLRP3 in cecal tissues of Eimeria-infected chickens were significantly elevated at 4, 12, and 24 h compared with those in noninfected control chickens (p < 0.01). Moreover, the mRNA levels of molecules in the ChTLR15/ChNF-κB and ChNLRP3/ChIL-1β pathways and the protein levels of ChTLR15 and ChNLRP3 in chicken embryo fibroblast cells (DF-1) stimulated by E. tenella sporozoites were consistent with those in Eimeria-infected chickens. Furthermore, overexpression of ChTLR15 in DF1 cells augmented activation of the ChTLR15/ChNF-κB and ChNLRP3/ChIL-1β pathways when stimulated with E. tenella sporozoites, while knockdown of ChTLR15 in DF1 cells showed inverse effects. Taken together, the present study provides evidence that E. tenella sporozoites specifically activate ChTLR15 and then trigger activation of the ChNLRP3/ChIL-1β pathway, which partially mediates inflammatory responses to Eimeria infection.
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Affiliation(s)
- Jian Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, Heilongjiang, China.,Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin, 150030, Heilongjiang, China.,Shandong Vocational Animal Science and Veterinary College, Weifang, 261061, Shandong, China
| | - Xuelian Yang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, Heilongjiang, China.,Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin, 150030, Heilongjiang, China
| | - Zhipeng Jia
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, Heilongjiang, China.,Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin, 150030, Heilongjiang, China
| | - Chunli Ma
- College of Food Science, Northeast Agricultural University, Harbin, 150030, Heilongjiang, China
| | - Xinghui Pan
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, Heilongjiang, China.,Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin, 150030, Heilongjiang, China
| | - Dexing Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, Heilongjiang, China. .,Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin, 150030, Heilongjiang, China.
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Wang Q, Zhu S, Zhao Q, Huang B, Yu S, Yu Y, Liang S, Wang H, Zhao H, Han H, Dong H. Identification and Characterization of a Novel Apical Membrane Antigen 3 in Eimeria tenella. J Eukaryot Microbiol 2021; 68:e12836. [PMID: 33289220 DOI: 10.1111/jeu.12836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/26/2020] [Accepted: 11/27/2020] [Indexed: 12/16/2022]
Abstract
Eimeria tenella is an obligate intracellular parasite in the phylum Apicomplexa. As described for other members of Apicomplexa, apical membrane antigen 1 (AMA1) has been shown to be critical for sporozoite invasion of host cells by E. tenella. Recently, an E. tenella paralogue of AMA1 (EtAMA1), dubbed sporoAMA1 (EtAMA3), was identified in proteomic and transcriptomic analyses of E. tenella, but not further characterized. Here, we show that EtAMA3 is a type I integral membrane protein that has 24% -38% identity with other EtAMAs. EtAMA3 has the same pattern of Cys residues in domains I and II of AMA1 orthologs from apicomplexan parasites, but high variance in domain III, with all six invariant Cys residues absent. EtAMA3 expression was developmentally regulated at the mRNA and protein levels. EtAMA3 protein was detected in sporulated oocysts and sporozoites, but not in the unsporulated oocysts or second-generation merozoites. EtAMA3 is secreted by micronemes and is primarily localized to the apical end of sporozoites during host-cell invasion. Additionally, pretreatment of sporozoites with rEtAMA3-specific antibodies substantially impeded their invasion into host cells. These results suggest EtAMA3 is a sporozoite-specific protein that is involved in host-cell sporozoite invasion.
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Affiliation(s)
- Qingjie Wang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
| | - Shunhai Zhu
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
| | - Qiping Zhao
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
| | - Bing Huang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
| | - Shuilan Yu
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
| | - Yu Yu
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
| | - Shanshan Liang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
| | - Haixia Wang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
| | - Huanzhi Zhao
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
| | - Hongyu Han
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
| | - Hui Dong
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, CAAS, Shanghai, 200241, China
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Effects of Eimeria tenella infection on the barrier damage and microbiota diversity of chicken cecum. Poult Sci 2020; 99:1297-1305. [PMID: 32111306 PMCID: PMC7587721 DOI: 10.1016/j.psj.2019.10.073] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 10/24/2019] [Accepted: 10/28/2019] [Indexed: 01/03/2023] Open
Abstract
The symbiosis of host and intestinal microbiota constitutes a microecosystem and plays an important role in maintaining intestinal homeostasis and regulating the host's immune system. Eimeria tenella, an obligate intracellular apicomplexan parasite, can cause coccidiosis, a serious intestinal disease. In this study, the effects of E. tenella infection on development parameters (villus height, crypt depth, mucosa thickness, muscularis thickness, and serosa thickness) and microbiota in chicken cecum were investigated. Fourteen-day-old male Hy-Line Variety Brown layer chickens were inoculated with sporulated oocysts of E. tenella. Cecal tissues were collected 7 d after inoculation. Relative density of goblet cells and glycoproteins were determined by Alcian blue periodic acid–Schiff staining and periodic acid–Schiff staining, respectively. Intestinal development parameters were also evaluated. Cecal contents were extracted, and the composition of cecal microflora was examined by Illumine sequencing in the V3–V4 region of the 16S rRNA gene. Results indicated that E. tenella infection destroyed the structure of cecal tissue and reduced the relative density of goblet cells and glycoproteins. Sequencing analysis indicated that E. tenella infection altered the diversity and composition of cecal microbiota. The populations of Proteobacteria, Enterococcus, Incertae, and Escherichia–Shigella decreased, and those of Bacteroidales and Rikenella significantly increased in the infected group compared with those in the control group. Hence, the pathological damage caused by E. tenella infection is associated with cecal microbiota dysbiosis, and this finding may be used to develop an alternative measure for alleviating the effect of coccidiosis on the poultry industry.
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Zhou BH, Jia LS, Guo HW, Ding HY, Yang JY, Wang HW. Eukaryotic elongation factor 2 is involved in the anticoccidial action of diclazuril in the second-generation merozoites of Eimeria tenella. Vet Parasitol 2019; 276:108991. [PMID: 31770701 DOI: 10.1016/j.vetpar.2019.108991] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 11/15/2019] [Accepted: 11/16/2019] [Indexed: 01/29/2023]
Abstract
Eimeria tenella, an obligate intracellular parasite, can actively invade the cecal epithelial cells of chickens and cause severe enteric disease. Eukaryotic elongation factor 2 (eEF2) plays a major role in protein synthesis and cell survival. This study aims to explore the exact mechanisms underlying diclazuril inhibition in second-generation merozoites of E. tenella. The eEF2 cDNA of the second-generation merozoites of E. tenella (EtEF2) was cloned by reverse transcriptase polymerase chain reaction and rapid amplification of cDNA ends. Diclazuril-induced expression profiles of EtEF2 were also analyzed. The cloned full-length cDNA (2893 bp) of the EtEF2 nucleotide sequence encompassed a 2499 bp open reading frame (ORF) that encoded a polypeptide of 832 residues with an estimated molecular mass of 93.12 kDa and a theoretical isoelectric point of 5.99. The EtEF2 nucleotide sequence was submitted to the GenBank database with the accession number KF188423. The EtEF2 protein sequence shared 99 % homology with the eEF2 sequence of Toxoplasma gondii (GenBank XP_002367778.1). The GTPase activity domain and ADP-ribosylation domain were conserved signature sequences of the eEF2 gene family. The changes in the transcriptional and translational levels of EtEF2 were detected through quantitative real-time PCR and Western blot analyses. The mRNA expression level of EtEF2 was 2.706 fold increases and the protein level of EtEF2 was increased 67.31 % under diclazuril treatment. In addition, the localization of EtEF2 was investigated through immunofluorescence assay. Experimental results demonstrated that EtEF2 was distributed primarily in the cytoplasm of second-generation merozoites, and its fluorescence intensity was enhanced after diclazuril treatment. These findings indicated that EtEF2 may have an important role in understanding the signaling mechanism underlying the anticoccidial action of diclazuril and could be a promising target for novel drug exploration.
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Affiliation(s)
- Bian-Hua Zhou
- College of Animal Science and Technology, Henan University of Science and Technology, Kaiyuan Avenue 263, Luoyang 471000, Henan, People's Republic of China.
| | - Liu-Shu Jia
- College of Animal Science and Technology, Henan University of Science and Technology, Kaiyuan Avenue 263, Luoyang 471000, Henan, People's Republic of China.
| | - Hong-Wei Guo
- College of Animal Science&Technology, Henan University of Animal Husbandry and Economy, Longzi Hubei Road 6, Zhengzhou 450046, Henan, People's Republic of China.
| | - Hai-Yan Ding
- College of Animal Science and Technology, Henan University of Science and Technology, Kaiyuan Avenue 263, Luoyang 471000, Henan, People's Republic of China.
| | - Jing-Yun Yang
- College of Animal Science and Technology, Henan University of Science and Technology, Kaiyuan Avenue 263, Luoyang 471000, Henan, People's Republic of China.
| | - Hong-Wei Wang
- College of Animal Science and Technology, Henan University of Science and Technology, Kaiyuan Avenue 263, Luoyang 471000, Henan, People's Republic of China.
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