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Li H, Xu W, Xiang S, Tao L, Fu W, Liu J, Liu W, Xiao Y, Peng L. Defining the Pluripotent Marker Genes for Identification of Teleost Fish Cell Pluripotency During Reprogramming. Front Genet 2022; 13:819682. [PMID: 35222539 PMCID: PMC8874021 DOI: 10.3389/fgene.2022.819682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 01/19/2022] [Indexed: 11/13/2022] Open
Abstract
Pluripotency is a transient state in early embryos, which is regulated by an interconnected network of pluripotency-related genes. The pluripotent state itself seems to be highly dynamic, which leads to significant differences in the description of induced pluripotent stem cells from different species at the molecular level. With the application of cell reprogramming technology in fish, the establishment of a set of molecular standards for defining pluripotency will be important for the research and potential application of induced pluripotent stem cells in fish. In this study, by BLAST search and expression pattern analysis, we screen out four pluripotent genes (Oct4, Nanog, Tdgf1, and Gdf3) in zebrafish (Danio rerio) and crucian carp (Carassius). These genes were highly expressed in the short period of early embryonic development, but significantly down-regulated after differentiation. Moreover, three genes (Oct4, Nanog and Tdgf1) have been verified that are suitable for identifying the pluripotency of induced pluripotent stem cells in zebrafish and crucian carp. Our study expands the understanding of the pluripotent markers of induced pluripotent stem cells in fish.
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Affiliation(s)
- Huajin Li
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China
- School of Life Sciences, Hunan Normal University, Changsha, China
| | - Wenting Xu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China
- School of Life Sciences, Hunan Normal University, Changsha, China
| | - Sijia Xiang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China
- School of Life Sciences, Hunan Normal University, Changsha, China
| | - Leiting Tao
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China
- School of Life Sciences, Hunan Normal University, Changsha, China
| | - Wen Fu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China
- School of Life Sciences, Hunan Normal University, Changsha, China
| | - Jinhui Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China
- School of Life Sciences, Hunan Normal University, Changsha, China
| | - Wenbin Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China
- School of Life Sciences, Hunan Normal University, Changsha, China
| | - Yamei Xiao
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China
- School of Life Sciences, Hunan Normal University, Changsha, China
| | - Liangyue Peng
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China
- School of Life Sciences, Hunan Normal University, Changsha, China
- *Correspondence: Liangyue Peng,
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2
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Goswami M, Yashwanth BS, Trudeau V, Lakra WS. Role and relevance of fish cell lines in advanced in vitro research. Mol Biol Rep 2022; 49:2393-2411. [PMID: 35013860 PMCID: PMC8747882 DOI: 10.1007/s11033-021-06997-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 11/19/2021] [Indexed: 12/21/2022]
Abstract
Introduction Cell line derived from fish has been established as a promising tool for studying many key issues of aquaculture covering fish growth, disease, reproduction, genetics, and biotechnology. In addition, fish cell lines are very useful in vitro models for toxicological, pathological, and immunological studies. The easier maintenance of fish cell lines in flexible temperature regimes and hypoxic conditions make them preferable in vitro tools over mammalian cell lines. Great excitement has been observed in establishing and characterizing new fish cell lines representing diverse fish species and tissue types. The well-characterized and authenticated cell lines are of utmost essential as these represent cellular functions very similar to in vivo state of an organism otherwise it would affect the reproducibility of scientific research. Conclusion The fish cell lines have exhibited encouraging results in several key aspects of in vitro research in aquaculture including virology, nutrition and metabolism, production of vaccines, and transgenic fish production. The review paper reports the cell lines developed from fish, their characterization, and biobanking along with their potential applications and challenges in in vitro research.
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Affiliation(s)
- M Goswami
- ICAR - Central Institute of Fisheries Education, Mumbai, 400061, India.
| | - B S Yashwanth
- ICAR - Central Institute of Fisheries Education, Mumbai, 400061, India
| | - Vance Trudeau
- Centre for Advanced Research in Environmental Genomics, Department of Biology, University of Ottawa, Ottawa, Canada
| | - W S Lakra
- NABARD Chair Unit, ICAR-Central Marine Fisheries Research Institute, Mumbai Research Centre, Versova, Mumbai, India
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3
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Fan Y, Zhang G, Zhao K, Fu W, Chen S, Liu J, Liu W, Peng L, Ren L, Liu S, Xiao Y. Characteristics of SP600125 Induced Tetraploid Cells in Comparison With Diploid and Tetraploid Cells of Fish. Front Genet 2021; 12:781007. [PMID: 34938322 PMCID: PMC8685524 DOI: 10.3389/fgene.2021.781007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/08/2021] [Indexed: 11/13/2022] Open
Abstract
In our previous research, SP600125 (Anthrapyrazolone) was used to induce autotetraploid of crucian carp cells (SP4N cells), and tetraploid fry was generated from the SP4N cells by somatic cell nuclear transfer technique. However, it is still unclear about biological characteristics of the SP4N cells. In this article, the cytological characteristic and gene expression profiles of the SP4N cells are investigated in comparison with the crucian carp cells (2N cells) and the tetraploid crucian carp cells (CC4N cells). The SP4N cells have tetraploid characteristics in terms of morphology and DNA ploidy levels, and their chromosome behavior is stable during the cell proliferation. The migration ability and the mtDNA copy number of SP4N cells are both lower than those in the CC4N cells and the 2N cells, but there exist giant mitochondria in the SP4N cells. The similar expression trends in the cell cycle regulation genes of the SP4N cells and 2N cells, while the corresponding expression profiles are clearly different between the SP4N cells and the CC4N cells. Moreover, the significant difference genes are associated with energy metabolism pathways among the SP4N cells, 2N cells and CC4N cells. These results can provide deeper understanding of SP600125 induction, as well as finding applications in polyploidization breeding of fish species.
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Affiliation(s)
- Yunpeng Fan
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Guangjing Zhang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Kaiyue Zhao
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Wen Fu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Shujuan Chen
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Jinhui Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Wenbin Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Liangyue Peng
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Li Ren
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Shaojun Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yamei Xiao
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
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Xu W, Mo Y, He Y, Fan Y, He G, Fu W, Chen S, Liu J, Liu W, Peng L, Xiao Y. A New Method for Chromosomes Preparation by ATP-Competitive Inhibitor SP600125 via Enhancement of Endomitosis in Fish. Front Bioeng Biotechnol 2021; 8:606496. [PMID: 33520960 PMCID: PMC7838586 DOI: 10.3389/fbioe.2020.606496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 12/03/2020] [Indexed: 01/02/2023] Open
Abstract
Previous studies have suggested that 1,9-Pyrazoloanthrone, known as SP600125, can induce cell polyploidization. However, what is the phase of cell cycle arrest caused by SP600125 and the underlying regulation is still an interesting issue to be further addressed. Research in this article shows that SP600125 can block cell cycle progression at the prometaphase of mitosis and cause endomitosis. It is suggested that enhancement of the p53 signaling pathway and weakening of the spindle assembly checkpoint are associated with the SP600125-induced cell cycle arrest. Using preliminary SP600125 treatment, the samples of the cultured fish cells and the fish tissues display a great number of chromosome splitting phases. Summarily, SP600125 can provide a new protocol of chromosomes preparation for karyotype analysis owing to its interference with prometaphase of mitosis.
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Affiliation(s)
- Wenting Xu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yanxiu Mo
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China.,Department of Histology and Embryology, School of Basic Medical Science, Xiangnan University, Chenzhou, China
| | - Yu He
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yunpeng Fan
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Guomin He
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Wen Fu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Shujuan Chen
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Jinhui Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Wenbin Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Liangyue Peng
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yamei Xiao
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
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5
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Liu W, Yuan X, Yuan S, Dai L, Dong S, Liu J, Peng L, Wang M, Tang Y, Xiao Y. Optimal reference genes for gene expression analysis in polyploid of Cyprinus carpio and Carassius auratus. BMC Genet 2020; 21:107. [PMID: 32943013 PMCID: PMC7499967 DOI: 10.1186/s12863-020-00915-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 08/31/2020] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Reference genes are usually stably expressed in various cells and tissues. However, it was reported that the expression of some reference genes may be distinct in different species. In this study, we intend to answer whether the expression of reported traditional reference genes changes or not in the polyploid fish RESULTS: By retrieving the mRNA sequencing data of three different ploidy fish from the NCBI SRA database, we selected 12 candidate reference genes, and examined their expression levels in the 10 tissues and in the four cell lines of three different ploidy fish by real-time PCR. Then, the expression profiles of these 12 candidate reference genes were systematically evaluated by using the software platforms: BestKeeper, NormFinder and geNorm. CONCLUSION The 28S ribosomal protein S5 gene (RPS5) and the ribosomal protein S18 gene (RPS18) are the most suitable reference genes for the polyploid of Cyprinus carpio and Carassius auratus, demonstrated by both of the tissues and the cultured cells.
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Affiliation(s)
- Wenbin Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China.,College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China
| | - Xiudan Yuan
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China.,College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China
| | - Shuli Yuan
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China.,College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China
| | - Liuye Dai
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China.,College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China
| | - Shenghua Dong
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China.,College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China
| | - Jinhui Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China.,College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China
| | - Liangyue Peng
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China.,College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China
| | - Minmeng Wang
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China.,College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China
| | - Yi Tang
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China.,College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China
| | - Yamei Xiao
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China. .,College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, P.R. China.
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6
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Ren L, Lu J, Fan Y, Hu Y, Li J, Xiao Y, Liu S. Expression Profile Analysis of the Cell Cycle in Diploid and Tetraploid Carassius auratus red var. Front Genet 2020; 11:203. [PMID: 32256518 PMCID: PMC7089929 DOI: 10.3389/fgene.2020.00203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 02/21/2020] [Indexed: 11/15/2022] Open
Abstract
Polyploidization often leads to “transcriptome shock,” and is considered an important factor in evolution of species. Analysis of the cell cycle, which is associated with survival in polyploidy, has proved useful in investigating polyploidization. Here, we used mRNA sequencing to investigate global expression in vitro (in cultured cells) and in vivo (in fin and liver tissues) in both the diploid and tetraploid Carassius auratus red var.. Differential expression (DE) of genes in diploid (7482, 36.0%) and tetraploid (3787, 18.2%) states suggested that in vitro and in vivo conditions dramatically change mRNA expression levels. However, of the 20,771 total shared expressed genes, 18,050 (87.0%), including 17,905 (86.2%) non-differentially expressed genes (DEGs) and 145 (0.7%) DEGs between diploids and tetraploids, showed the same expression trends in both cultured cells and liver tissues. Of the DEGs, four of seven genes in the cell cycle pathway had the same expression trends (upregulated in diploids and tetraploids) in both cultured cells and liver tissues. Quantitative PCR analysis confirmed the same expression trends in the nine DEGs associated with regulation of the cell cycle. This research on common characteristics between diploids and tetraploids provides insights into the potential molecular regulatory mechanisms of polyploidization. The steady changes that occur between diploids and tetraploids in vitro and in vivo show the potential value of studying polyploidy processes using cultured cell lines, especially with respect to cell cycle regulation.
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Affiliation(s)
- Li Ren
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Jiahao Lu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yunpeng Fan
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yibo Hu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Jiaming Li
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yamei Xiao
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
| | - Shaojun Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, China.,College of Life Sciences, Hunan Normal University, Changsha, China
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7
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Mo Y, Fan Y, Fu W, Xu W, Chen S, Wen Y, Liu S, Peng L, Xiao Y. Acute immune stress improves cell resistance to chemical poison damage in SP600125-induced polyploidy of fish cells in vitro. FISH & SHELLFISH IMMUNOLOGY 2019; 84:656-663. [PMID: 30393156 DOI: 10.1016/j.fsi.2018.10.063] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 10/15/2018] [Accepted: 10/24/2018] [Indexed: 06/08/2023]
Abstract
Previous research has indicated that the small compound, SP600125, could induce polyploidy of fish cells, and has established a stable tetraploid cell line from diploid fish cells. In order to explore how fish cells maintain homeostasis under SP600125-stress in vitro, this study investigates impacts of SP600125-stress on intracellular pathways, as well as on regulation of the cellular homeostasis feedback in fish cells. Transcriptomes are obtained from the SP600125-treated cells. Compared with unigenes expressed in control group (crucial carp fin cells), a total of 2670 and 1846 unigenes are significantly upregulated and downregulated in these cells, respectively. Differentially expressed genes are found, which are involved in innate defense, inflammatory pathways and cell adhesion molecules-related pathways. The SP600125-stress enhances cell-mediated immunity, characterized by significantly increasing expression of multiple immune genes. These enhanced immune genes include the pro-inflammatory cytokines (IL-1β, TNF-ɑ, IL-6R), the adaptor signal transducers (STAT, IκBɑ), and the integrins (ɑ2β1, ɑMβ2). Furthermore, mitochondria are contributed to the cellular homeostasis regulation upon the SP600125-stress. The results show that acute inflammation is an adaptive and controlled response to the SP600125-stress, which is beneficial for alleviating toxicity by SP600125. They provide a potential way of breeding fish polyploidy induced by SP600125 in the future research.
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Affiliation(s)
- Yanxiu Mo
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, 410081, PR China; School of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, PR China; School of Basic Medical Science, Xiangnan University, Chenzhou, Hunan, 423000, PR China
| | - Yunpeng Fan
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, 410081, PR China; School of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, PR China
| | - Wen Fu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, 410081, PR China; School of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, PR China
| | - Wenting Xu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, 410081, PR China; School of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, PR China
| | - Shujuan Chen
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, 410081, PR China; School of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, PR China
| | - Yuanhui Wen
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, 410081, PR China; School of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, PR China
| | - Shaojun Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, 410081, PR China; School of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, PR China
| | - Liangyue Peng
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, 410081, PR China; School of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, PR China.
| | - Yamei Xiao
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, 410081, PR China; School of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, PR China.
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