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Yang HY, Zhu KC, Guo HY, Zhang N, Liu BS, Xian L, Zhu TF, Guo R, Zhang DC. Establishment and identification of the head kidney cell line of yellowfin seabream (Acanthopagrus latus) and its application in a virus susceptibility study. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2024; 161:105243. [PMID: 39147080 DOI: 10.1016/j.dci.2024.105243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 08/11/2024] [Accepted: 08/12/2024] [Indexed: 08/17/2024]
Abstract
The yellowfin seabream (Acanthopagrus latus) is a crucial marine resource owing to its economic significance. Acanthopagrus latus aquaculture faces numerous challenges from viral diseases, but a robust in-vitro research model to understand and address these threats is lacking. Therefore, we developed a novel A. latus cell line from head kidney cells called ALHK1. This study details the development, characterisation, and viral susceptibility properties of ALHK cells. This cell line primarily comprises fibroblast-like cells and has robust proliferative capacity when cultured at 28 °C in Leibovitz's L-15 medium supplemented with 10-20% foetal bovine serum. It exhibited remarkable stability after more than 60 consecutive passages and validation through cryopreservation techniques. The specificity of the ALHK cell line's origin from A. latus was confirmed via polymerase chain reaction (PCR) amplification of the cytochrome B gene, and a chromosomal karyotype analysis revealed a diploid count of 48 (2n = 48). Furthermore, the lipofection-mediated transfection efficiency using the pEGFP-N3 plasmid was high, at nearly 40%, suggesting that ALHK cells could be used for studies involving exogenous gene manipulation. In addition, ALHK cells displayed heightened sensitivity to the large mouth bass virus (LMBV), substantiated through observations of cytopathic effects, quantitative real-time PCR, and viral titration assays. Finally, the response of ALHK cells to LMBV infection resulted in differentially expressed antiviral genes associated with innate immunity. In conclusion, the ALHK cell line is a dependable in-vitro platform for elucidating the mechanisms of viral diseases in yellowfin seabream. Moreover, this cell line could be valuable for immunology, vaccine development, and host-pathogen interaction studies.
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Affiliation(s)
- Hui-Yuan Yang
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 510300, Guangzhou, dong Province, China; Ocean College, Hebei Agricultural University, Qinhuangdao, 066000, China
| | - Ke-Cheng Zhu
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 510300, Guangzhou, dong Province, China; Sanya Tropical Fisheries Research Institute, Sanya, 572018, China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, China
| | - Hua-Yang Guo
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 510300, Guangzhou, dong Province, China; Sanya Tropical Fisheries Research Institute, Sanya, 572018, China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, China
| | - Nan Zhang
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 510300, Guangzhou, dong Province, China; Sanya Tropical Fisheries Research Institute, Sanya, 572018, China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, China
| | - Bao-Suo Liu
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 510300, Guangzhou, dong Province, China; Sanya Tropical Fisheries Research Institute, Sanya, 572018, China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, China
| | - Lin Xian
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 510300, Guangzhou, dong Province, China; Sanya Tropical Fisheries Research Institute, Sanya, 572018, China
| | - Teng-Fei Zhu
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 510300, Guangzhou, dong Province, China; Sanya Tropical Fisheries Research Institute, Sanya, 572018, China
| | - Ran Guo
- Ocean College, Hebei Agricultural University, Qinhuangdao, 066000, China.
| | - Dian-Chang Zhang
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 510300, Guangzhou, dong Province, China; Sanya Tropical Fisheries Research Institute, Sanya, 572018, China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, China.
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Zhang H, Dong J, Yan Y, Liu S, Ye X, Gao F, Sun C. Development of a Highly Permissive Mandarin Fish ( Siniperca chuatsi) Kidney Cell Line for Mandarin Fish Ranavirus Using a Single-Cell Cloning Method. Cells 2023; 13:18. [PMID: 38201223 PMCID: PMC10778425 DOI: 10.3390/cells13010018] [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: 11/08/2023] [Revised: 12/05/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
Mandarin fish ranavirus (MRV) infection poses a substantial challenge to the mandarin fish culture industry as no effective preventive or therapeutic measures currently exist. The creation of a highly permissive cell line from a natural host is crucial for developing a vaccine for MRV and understanding its pathogenic mechanisms. In this research, the mandarin fish (Siniperca chuatsi) kidney cell line (SCK) was isolated from mandarin fish kidneys. Subsequently, SCK-a to SCK-g monoclonal cell lines were derived from the SCK cell population, distinguished by morphological variations. Notably, MRV infection induced an advanced cytopathic effect (CPE) in almost all cells of the SCK-f clone. Further tests showed that MRV achieved a peak viral titer of 1010.7 50% tissue culture infectious dose (TCID50)/mL and consistently exceeded 1010 TCID50/mL across nine passages in SCK-f cells. Electron microscopy verified the MRV virion integrity within SCK-f. In vivo experiments revealed that MRV infections led to cumulative mortality rates of 86.9% in mandarin fish and 88.9% in largemouth bass (Micropterus salmoides). Such results suggest that SCK-f is highly permissive to MRV. This study underscores the importance of cellular diversity in developing viral permissive cell lines. The SCK monoclonal cell line pool may offer potential for generating highly permissive cell lines for other mandarin fish viruses.
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Affiliation(s)
- Hetong Zhang
- Key Laboratory of Tropical and Subtropical Fisheries Resource Application and Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China; (H.Z.); (J.D.); (Y.Y.); (X.Y.)
- Key Laboratory of Aquatic Animal Immune Technology of Guangdong Province, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China
| | - Junjian Dong
- Key Laboratory of Tropical and Subtropical Fisheries Resource Application and Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China; (H.Z.); (J.D.); (Y.Y.); (X.Y.)
- Key Laboratory of Aquatic Animal Immune Technology of Guangdong Province, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China
| | - Yunyun Yan
- Key Laboratory of Tropical and Subtropical Fisheries Resource Application and Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China; (H.Z.); (J.D.); (Y.Y.); (X.Y.)
- Key Laboratory of Aquatic Animal Immune Technology of Guangdong Province, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China
- College of Oceanography, Agriculture University of Hebei, Qinhuangdao 066000, China
| | - Shanshan Liu
- School of Ecology, Sun Yat-sen University, Guangzhou 510275, China;
| | - Xing Ye
- Key Laboratory of Tropical and Subtropical Fisheries Resource Application and Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China; (H.Z.); (J.D.); (Y.Y.); (X.Y.)
- Key Laboratory of Aquatic Animal Immune Technology of Guangdong Province, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China
- School of Ecology, Sun Yat-sen University, Guangzhou 510275, China;
| | - Fengying Gao
- Key Laboratory of Tropical and Subtropical Fisheries Resource Application and Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China; (H.Z.); (J.D.); (Y.Y.); (X.Y.)
- Key Laboratory of Aquatic Animal Immune Technology of Guangdong Province, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China
- School of Ecology, Sun Yat-sen University, Guangzhou 510275, China;
| | - Chengfei Sun
- Key Laboratory of Tropical and Subtropical Fisheries Resource Application and Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China; (H.Z.); (J.D.); (Y.Y.); (X.Y.)
- Key Laboratory of Aquatic Animal Immune Technology of Guangdong Province, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510310, China
- School of Ecology, Sun Yat-sen University, Guangzhou 510275, China;
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Jiang N, Shen J, Zhou Y, Liu W, Meng Y, Li Y, Xue M, Xu C, Fan Y. Development of a droplet digital PCR method for the sensitive detection and quantification of largemouth bass ranavirus. JOURNAL OF FISH DISEASES 2023; 46:91-98. [PMID: 36209477 DOI: 10.1111/jfd.13721] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/12/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Largemouth bass ranavirus (LMBRaV), also known as largemouth bass virus (LMBV), is a high mortality pathogen in largemouth bass. A rapid, sensitive, specific and convenient diagnosis method is an urgent requirement for the prevention of virus transmission. In the present study, a droplet digital PCR (ddPCR) method based on the major capsid protein (mcp) gene was established to detect and quantify the virus genome copy number. Oligonucleotide primers were designed based on the LMBRaV mcp gene sequence. The specificity and sensitivity of ddPCR assay were analysed. The other aquatic virus including Chinese giant salamander iridovirus (GSIV), Cyprinid herpesvirus II (CyHV-2) and infectious spleen and kidney necrosis virus could not be detected by LMBRaV ddPCR assay. The detection limit of ddPCR assay was 2 ± 0.37 copies/μl DNA sample. And this ddPCR assay had great repeatability and reproducibility. In clinical diagnosis of 50 largemouth bass, 43 positive samples were detected by ddPCR, whereas only 34 positive samples were detected by quantitative PCR (qPCR). This LMBRaV detection assay provided a specific and sensitive method for the rapid diagnosis of LMBRaV infection in largemouth bass as well as quantification of the virus load.
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Affiliation(s)
- Nan Jiang
- Division of Fish Disease, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, China
| | - Jinyu Shen
- Agriculture Ministry Key Laboratory of Healthy Freshwater Aquaculture, Key Laboratory of Fish Health and Nutrition of Zhejiang Province, Zhejiang Institute of Freshwater Fisheries, Huzhou, China
| | - Yong Zhou
- Division of Fish Disease, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, China
| | - Wenzhi Liu
- Division of Fish Disease, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, China
| | - Yan Meng
- Division of Fish Disease, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, China
| | - Yiqun Li
- Division of Fish Disease, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, China
| | - Mingyang Xue
- Division of Fish Disease, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, China
| | - Chen Xu
- Division of Fish Disease, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, China
| | - Yuding Fan
- Division of Fish Disease, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, China
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Li Y, Jia P, Yu F, Li W, Mao C, Yi M, Gu Q, Jia K. Establishment and characterization of a liver cell line, ALL, derived from yellowfin sea bream, Acanthopagrus latus, and its application to fish virology. JOURNAL OF FISH DISEASES 2022; 45:141-151. [PMID: 34624134 DOI: 10.1111/jfd.13543] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/21/2021] [Accepted: 09/23/2021] [Indexed: 06/13/2023]
Abstract
Yellowfin sea bream (Acanthopagrus latus) is an important economic fish, which is seriously threatened by various fish viruses. In this study, a cell line designated as ALL derived from the liver of yellowfin sea bream was developed and characterized. The cell line grew well in Dulbecco's modified Eagle's medium containing 10%-20% foetal bovine serum at 28°C. Amplification of the cytochrome B gene indicated that ALL cells originated from yellowfin sea bream. The modal chromosome number of ALL cells was 48. ALL cells were efficiently transfected with pEGFP-N3 plasmids, indicating the potential application of ALL cells in exogenous gene manipulation studies. ALL cells were susceptive to three main fish viruses, including viral haemorrhagic septicaemia virus (VHSV), red-spotted grouper nervous necrosis virus (RGNNV) and largemouth bass virus (LMBV). The replication of VHSV, RGNNV and LMBV in ALL cells was confirmed by quantitative real-time polymerase chain reaction, virus titre and transmission electron microscopy assays. Moreover, ALL cells could respond to VHSV, RGNNV and LMBV infections, as indicated by the differential expression of antiviral genes involving in the innate immune response. In conclusion, the newly established ALL cell line will be an excellent in vitro platform for the study of the virus-yellowfin sea bream interaction.
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Affiliation(s)
- Yong Li
- Modern Agricultural Development Center of Zhuhai City, Zhuhai, China
| | - Peng Jia
- School of Marine Sciences, Sun Yat-sen University, Guangzhou, China
| | - Fangzhao Yu
- Modern Agricultural Development Center of Zhuhai City, Zhuhai, China
| | - Wangdong Li
- Modern Agricultural Development Center of Zhuhai City, Zhuhai, China
| | - Can Mao
- Modern Agricultural Development Center of Zhuhai City, Zhuhai, China
| | - Meisheng Yi
- School of Marine Sciences, Sun Yat-sen University, Guangzhou, China
| | - Qunhong Gu
- Modern Agricultural Development Center of Zhuhai City, Zhuhai, China
| | - Kuntong Jia
- School of Marine Sciences, Sun Yat-sen University, Guangzhou, China
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