Systematic analysis of circRNA-related ceRNA networks of black rockfish (Sebastes schlegelii) in response to Aeromonas salmonicides infection
Copyright © 2023 Elsevier Ltd. All rights reserved..
Aeromonas salmonicides is a type of Gram-negative bacteria and has become the main fish pathogen in aquaculture because of its characteristics of worldwide distribution, broad host range and potentially devastating impacts. In the past years, studies have been focused to explore the regulatory roles of circRNA-miRNA-mRNA network in fish diseases. However, there are only few systematic studies linked to the anti-bacterial roles of circRNA-related ceRNA networks in the spleen immune system of black rockfish (Sebastes schlegelii). In this study, the whole-transcriptome sequencing (RNA-seq) was conducted in the black rockfish spleen with A. salmonicida challenging. The differentially expressed (DE) circRNAs were identified comprehensively for the following enrichment analysis. Interactions of miRNA-circRNA pairs and miRNA-mRNA pairs were predicted for the construction of circRNA-related ceRNA regulatory networks. Then, protein-protein interaction (PPI) analysis of mRNAs from these ceRNA networks were conducted. Finally, a total number of 39 circRNAs exhibited significantly differential expressions during A. salmonicida infection in the black rockfish spleen in 4338 identified circRNAs from 12 samples in 4 libraries. Functional enrichment analysis suggested that they were significantly enriched in several immune-related pathways, including Endocytosis, FoxO signaling pathway, Jak-STST signaling pathway, Herpes simplex infection, etc. Subsequently, 290 circRNA-miRNA-mRNA pathways (91 at 2 h, 142 at 12 h and 65 at 24 h) were constructed including 31 circRNAs, 50 miRNAs, and 156 mRNAs. In conclusion, the circRNA-related ceRNA networks were established, which will provide some novel insights in molecular mechanistic investigations of anti-bacterial immune response in teleost. Also, these findings will propose significant predictive values for the development of methods of treatment and prevention in black rockfish after bacterial infection in the future.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:135 |
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| Enthalten in: |
Fish & shellfish immunology - 135(2023) vom: 15. Apr., Seite 108648 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gao, Chengbin [VerfasserIn] |
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| Links: |
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| Themen: |
Bacterial infection |
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| Anmerkungen: |
Date Completed 04.04.2023 Date Revised 04.04.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.fsi.2023.108648 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Aeromonas salmonicides is a type of Gram-negative bacteria and has become the main fish pathogen in aquaculture because of its characteristics of worldwide distribution, broad host range and potentially devastating impacts. In the past years, studies have been focused to explore the regulatory roles of circRNA-miRNA-mRNA network in fish diseases. However, there are only few systematic studies linked to the anti-bacterial roles of circRNA-related ceRNA networks in the spleen immune system of black rockfish (Sebastes schlegelii). In this study, the whole-transcriptome sequencing (RNA-seq) was conducted in the black rockfish spleen with A. salmonicida challenging. The differentially expressed (DE) circRNAs were identified comprehensively for the following enrichment analysis. Interactions of miRNA-circRNA pairs and miRNA-mRNA pairs were predicted for the construction of circRNA-related ceRNA regulatory networks. Then, protein-protein interaction (PPI) analysis of mRNAs from these ceRNA networks were conducted. Finally, a total number of 39 circRNAs exhibited significantly differential expressions during A. salmonicida infection in the black rockfish spleen in 4338 identified circRNAs from 12 samples in 4 libraries. Functional enrichment analysis suggested that they were significantly enriched in several immune-related pathways, including Endocytosis, FoxO signaling pathway, Jak-STST signaling pathway, Herpes simplex infection, etc. Subsequently, 290 circRNA-miRNA-mRNA pathways (91 at 2 h, 142 at 12 h and 65 at 24 h) were constructed including 31 circRNAs, 50 miRNAs, and 156 mRNAs. In conclusion, the circRNA-related ceRNA networks were established, which will provide some novel insights in molecular mechanistic investigations of anti-bacterial immune response in teleost. Also, these findings will propose significant predictive values for the development of methods of treatment and prevention in black rockfish after bacterial infection in the future | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bacterial infection | |
| 650 | 4 | |a CeRNA regulatory networks | |
| 650 | 4 | |a Immune response | |
| 650 | 4 | |a Sebastes schlegelii | |
| 650 | 4 | |a Spleen | |
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| 650 | 7 | |a MicroRNAs |2 NLM | |
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| 700 | 1 | |a Ma, Le |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Peng |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Chao |e verfasserin |4 aut | |
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