1
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Wang Q, Deng J, Jiang Y, Wang Z, Xia B, Chen T. A medaka gonad-specific lncRNA may act as pri-miR-202 to regulate testicular endocrine homeostasis and spermatogenesis. Theriogenology 2024; 214:273-285. [PMID: 37948817 DOI: 10.1016/j.theriogenology.2023.10.020] [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: 05/09/2023] [Revised: 10/09/2023] [Accepted: 10/15/2023] [Indexed: 11/12/2023]
Abstract
A large number of long non-coding RNAs (lncRNAs) are expressed in animal gonads, but their functions are poorly understood. In this study, a gonad-specific lncRNA, termed lnc4, was identified and characterized in the model fish medaka (Oryzias latipes). The expression pattern and in vitro functional analyses indicated that lnc4 was likely to be a primary transcript of miR-202 (pri-miR-202). Results of single-molecule fluorescence in situ hybridization demonstrated that the precursor miR-202 (pre-miR-202) was highly expressed in the nuclei of testicular somatic cells, including Leydig and Sertoli cells, whereas only a small amount of lnc4 molecules could be detected co-expressed with pre-miR-202 in Sertoli cells due to its low expression level. Deletion of the lnc4 locus led to a significant reduction in testis size and a dramatic decrease in the number of male germ cells, as well as a reduction in sperm viability. Moreover, lnc4 knockout resulted in enhanced synthesis and secretion of testicular somatic cells and accelerated differentiation of immature male germ cells. Taken together, functional studies of lnc4 and its mature transcript miR-202 will contribute to the understanding of the important role of non-coding RNAs in animal or human reproductive disorders.
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Affiliation(s)
- Qian Wang
- College of Animal Science and Technology, Yangtze University, Jingzhou, Hubei, 434024, China; College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Jiajie Deng
- State Key Laboratory of Freshwater Ecology and Biotechnology, Hubei Hongshan Laboratory, Institute of Hydrobiology, Innovation Academy for Seed Design (INASEED), Chinese Academy of Sciences, Wuhan, Hubei, 430072, China
| | - Yuewen Jiang
- College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Zhi Wang
- College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Bilin Xia
- College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Tiansheng Chen
- Fisheries College of Jimei University, Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, Xiamen, Fujian, 361021, China; College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.
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2
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Houdelet C, Blondeau-Bidet E, Estevez-Villar M, Mialhe X, Hermet S, Ruelle F, Dutto G, Bajek A, Bobe J, Geffroy B. Circulating MicroRNAs Indicative of Sex and Stress in the European Seabass (Dicentrarchus labrax): Toward the Identification of New Biomarkers. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2023; 25:749-762. [PMID: 37581865 DOI: 10.1007/s10126-023-10237-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 08/01/2023] [Indexed: 08/16/2023]
Abstract
MicroRNAs (miRNAs) constitute a new category of biomarkers. Studies on miRNAs in non-mammalian species have drastically increased in the last few years. Here, we explored the use of miRNAs as potential, poorly invasive markers, to identify sex and characterize acute stress in fish. The European seabass (Dicentrarchus labrax) was chosen as a model because of its rapid response to stress and its specific sex determination system, devoid of sexual chromosomes. We performed a small RNA-sequencing analysis in the blood plasma of male and female European seabass (mature and immature) as well as in the blood plasma of juveniles submitted to an acute stress and sampled throughout the recovery period (at 0 h, 0.5 h, 1.5 h and 6 h). In immature individuals, both miR-1388-3p and miR-7132a-5p were up-regulated in females, while miR-499a-5p was more abundant in males. However, no miRNAs were found to be differentially expressed between sexes in the blood plasma of mature individuals. For the acute stress analysis, five miRNAs (miR-155-5p, miR-200a-3p, miR-205-1-5p, miR-143-3p, and miR-223-3p) followed cortisol production over time. All miRNAs identified were tested and validated by RT-qPCR on sequenced samples. A complementary analysis on the 3'UTR sequences of the European seabass allowed to predict potential mRNA targets, some of them being particularly relevant regarding stress regulation, e.g., the glucocorticoid receptor 1 and the mineralocorticoid receptor. The present study provides new avenues and recommendations on the use of miRNAs as biomarkers of sex or stress of the European seabass, with potential application on other fish species.
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Affiliation(s)
- Camille Houdelet
- MARBEC Univ Montpellier, CNRS, Ifremer, IRD, Palavas-Les-Flots, France
| | | | | | - Xavier Mialhe
- MGX-Montpellier GenomiX, Institut de Génomique Fonctionnelle, Montpellier, France
| | - Sophie Hermet
- MARBEC Univ Montpellier, CNRS, Ifremer, IRD, Montpellier, France
| | - François Ruelle
- MARBEC Univ Montpellier, CNRS, Ifremer, IRD, Palavas-Les-Flots, France
| | - Gilbert Dutto
- MARBEC Univ Montpellier, CNRS, Ifremer, IRD, Palavas-Les-Flots, France
| | - Aline Bajek
- Ecloserie Marine de Gravelines-Ichtus, Voie des Enrochements, F-59820, Gravelines, France
| | - Julien Bobe
- INRAE, UR1037, Fish Physiology and Genomic laboratory, F-35000, Rennes, France
| | - Benjamin Geffroy
- MARBEC Univ Montpellier, CNRS, Ifremer, IRD, Montpellier, France.
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3
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Tang R, Xu C, Zhu Y, Yan J, Yao Z, Zhou W, Gui L, Li M. Identification and expression analysis of sex biased miRNAs in chinese hook snout carp Opsariichthys bidens. Front Genet 2022; 13:990683. [PMID: 36118893 PMCID: PMC9478731 DOI: 10.3389/fgene.2022.990683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 08/08/2022] [Indexed: 12/22/2022] Open
Abstract
As an economically important fish, Opsariichthys bidens has obvious sexual dimorphism and strong reproductive capacity, but no epigenetics study can well explain its phenotypic variations. In recent years, many microRNAs involved in the regulation of reproductive development have been explored. In this study, the small RNA libraries of O. bidens on the testis and ovary were constructed and sequenced. A total of 295 known miRNAs were obtained and 100 novel miRNAs were predicted. By comparing testis and ovary libraries, 115 differentially expressed (DE) miRNAs were selected, of which 53 were up-regulated and 62 were down-regulated. A total of 64 GO items (padj < 0.01) and 206 KEGG pathways (padj < 0.01) were enriched in the target gene of miRNA. After that, the expression levels of nine DE miRNAs, including let-7a, miR-146b, miR-18c, miR-202-5p, miR-135c, miR-9-5p, miR-34c-3p, miR-460-5p and miR-338 were verified by qRT-PCR. Furthermore, bidirectional prediction of DE miRNAs and sex-related genes was carried out and the targeting correlation between miR-9-5p and nanos1 was verified by Dual-Luciferase reporter assay. Our findings identified the differentially expressed miRNA and paved the way to new possibilities for the follow-up study on the mechanism of miRNA-mRNA interaction in the gonads of O. bidens.
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Affiliation(s)
- Rongkang Tang
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Cong Xu
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Yefei Zhu
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Eco-Environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, China
| | - Jinpeng Yan
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, China
| | - Ziliang Yao
- Lishui Fishery Technical Extension Station, Lishui, Zhejiang, China
| | - Wenzong Zhou
- Eco-Environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, China
| | - Lang Gui
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
- *Correspondence: Lang Gui, ; Mingyou Li,
| | - Mingyou Li
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
- *Correspondence: Lang Gui, ; Mingyou Li,
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4
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Wei W, He J, Yaqoob MA, Gui L, Ren J, Li J, Li M. Integrated mRNA and miRNA Expression Profile Analysis of Female and Male Gonads in Acrossocheilus fasciatus. BIOLOGY 2022; 11:1296. [PMID: 36138775 PMCID: PMC9495813 DOI: 10.3390/biology11091296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/18/2022] [Accepted: 08/26/2022] [Indexed: 06/16/2023]
Abstract
MicroRNAs (miRNAs) are regarded as key regulators in gonadal development and sex determination in diverse organisms. However, the functions of miRNAs in gonads of Acrossocheilus fasciatus, an economically important freshwater species in the south of China, are still unclear. Here, high-throughput sequencing was performed to investigate the mRNA and miRNAs on gonads of A. fasciatus. In total, 49,447 unigenes were obtained, including 11,635 differentially expressed genes (DEGs), among which 4147 upregulated genes and 7488 downregulated genes in the testis compared to the ovary, while 300 (237 known, and 63 novel) miRNAs with 36 differentially expressed miRNAs (DEMs) were identified, from which 17 upregulated and 19 downregulated DEMs. GO and KEGG enrichment analysis were performed to analyze the potential biological functions of DEGs and DEMs. Using qRT-PCR, 9 sex-related genes and 9 miRNAs were selected to verify the sequencing data. By dual-luciferase reporter assay, miR-22a-5p and miR-22b-5p interaction with piwil1, and miR-10d-5p interaction with piwil2 were identified. These findings could provide a reference for miRNA-regulated sex control of A. fasciatus and may reveal new insights into aquaculture and breeding concepts.
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Affiliation(s)
- Wenbo Wei
- Key Laboratory of Integrated Rice-Fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Jiamei He
- Key Laboratory of Integrated Rice-Fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Muhammad Amjad Yaqoob
- Key Laboratory of Integrated Rice-Fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Lang Gui
- Key Laboratory of Integrated Rice-Fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Jianfeng Ren
- Key Laboratory of Freshwater Aquatic Genetic Resources Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Jiale Li
- Key Laboratory of Freshwater Aquatic Genetic Resources Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Mingyou Li
- Key Laboratory of Integrated Rice-Fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
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5
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Xia J, Liu D, Zhou W, Yi S, Wang X, Li B, Jawad M, Xu H, Gui L, Li M. Comparative transcriptome analysis of brain and gonad reveals reproduction-related miRNAs in the giant prawn, Macrobrachium rosenbergii. Front Genet 2022; 13:990677. [PMID: 36092927 PMCID: PMC9459145 DOI: 10.3389/fgene.2022.990677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 08/04/2022] [Indexed: 12/14/2022] Open
Abstract
Macrobrachium rosenbergii (M. rosenbergii), as a species of common prawn, is a delicacy that is consumed all over the world. By interacting with the target gene 3′-untranslated region (3'-UTR), microRNAs (miRNAs) regulate its expression and ultimately participate in the regulation of reproductive development. However, research focusing on miRNA regulation during gonadal development in M. rosenbergii received very little attention. To explore the association between miRNA and reproduction, we performed RNA sequencing (RNA-seq) on brain and gonad organs in male and female M. rosenbergii. A total of 494 miRNAs were obtained in RNA-seq, including 31 and 59 differentially expressed (DE) miRNAs in the brain and gonads, respectively. Furthermore, 9 DE miRNAs were randomly selected from the brain and gonads, and qRT-PCR was conducted to validate the results of RNA-seq. Interestingly, dpu-miR-133 was found to be substantially expressed in the male brain and testis but poorly expressed in the female brain, ovary, and other organs. Analysis of dpu-miR-133 by Targetscan and MiRanda predicted to target 5-HT1. Furthermore, the dual-luciferase reporter assay manifested that dpu-miR-133 can combine with 5-HT1. Overall, our research work provides basic data for further study on the miRNA-mediated regulation of brain, gonad, and reproductive development of study M. rosenbergii.
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Affiliation(s)
- Jiao Xia
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Dong Liu
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Wenzong Zhou
- Institute of Eco-Environmental Protection, Shanghai Academy of Agricultural Sciences, Shanghai, China
- *Correspondence: Wenzong Zhou, ; Mingyou Li,
| | - Shaokui Yi
- College of Life Sciences, Huzhou University, Zhejiang, China
| | - Xinhai Wang
- Suqian Institute of Agricultural Sciences, Jiangsu Academy of Agricultural Sciences, Suqian, China
| | - Beilei Li
- Huzhou Fengshengwan Aquatic Seed Industry Co. Ltd., Zhejiang, China
| | - Muhammad Jawad
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Haijing Xu
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Lang Gui
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Mingyou Li
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
- *Correspondence: Wenzong Zhou, ; Mingyou Li,
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6
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Song W, Gan W, Xie Z, Chen J, Wang L. Small RNA sequencing reveals sex-related miRNAs in Collichthys lucidus. Front Genet 2022; 13:955645. [PMID: 36092867 PMCID: PMC9458855 DOI: 10.3389/fgene.2022.955645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 07/18/2022] [Indexed: 11/24/2022] Open
Abstract
Collichthys lucidus (C. lucidus) is an economically important fish species, exhibiting sexual dimorphism in its growth rate. However, there is a lack of research on its underlying sex-related mechanisms. Therefore, small RNA sequencing was performed to better comprehend these sex-related molecular mechanisms. In total, 171 differentially expressed miRNAs (DE-miRNAs) were identified between the ovaries and testes. Functional enrichment analysis revealed that the target genes of DE-miRNAs were considerably enriched in the p53 signaling, PI3K–Akt signaling, and TGF-beta signaling pathways. In addition, sex-related miRNAs were identified, and the expression of miR-430c-3p and miR-430f-3p was specifically observed in the gonads compared with other organs and their expression was markedly upregulated in the testes relative to the ovaries. Bmp15 was a target of miR-430c-3p and was greatly expressed in the ovaries compared with the testes. Importantly, miR-430c-3p and bmp15 co-expressed in the ovaries and testes. This research provides the first detailed miRNA profiles for C. lucidus concerning sex, likely laying the basis for further studies on sex differentiation in C. lucidus.
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Affiliation(s)
- Wei Song
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Wu Gan
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Zhengli Xie
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Jia Chen
- State Key Laboratory of Large Yellow Croaker Breeding, Fuding Seagull Fishing Food Co. Ltd., Ningde, China
| | - Lumin Wang
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
- *Correspondence: Lumin Wang,
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7
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Chen X, Zhu Y, Zhu T, Song P, Guo J, Zhong Y, Gui L, Li M. Vasa identifies germ cells in embryos and gonads of Oryzias celebensis. Gene X 2022; 823:146369. [PMID: 35240256 DOI: 10.1016/j.gene.2022.146369] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 02/15/2022] [Accepted: 02/18/2022] [Indexed: 11/30/2022] Open
Abstract
Vasa is the most studied germ cell marker that is indispensable for germ cell development in teleost fishes. Here, a vasa full-length cDNA from Oryzias celebensis was isolated. Analysis of gene expression by reversed transcription polymerase chain reaction and in situ hybridization showed the vasa transcript was maternally inherited and specifically expressed in germ cells during embryogenesis and in adult gonads. During embryogenesis, vasa mRNA was widely distributed in the embryos until the somitogenesis stage and then specifically expressed in primordial germ cells (PGCs). In the testis, vasa expression was highest in spermatogonia and gradually decreased during spermatogenesis. In ovary, vasa expression was present predominantly in immature oocytes and persisted throughout oogenesis. Constructs containing green or red fluorescence proteins and vasa 3' UTR or dnd 3' UTR, confirmed stable vasa expression in the PGCs of O. celebensis and co-expression of the two genes. In summary, the conservation of vasa expression in embryonic and adult germ cells of both sexes compared to other vertebrates suggests its function is also widely conserved.
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Affiliation(s)
- Xiao Chen
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Yefei Zhu
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Tianyu Zhu
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Peng Song
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Jing Guo
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Ying Zhong
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Lang Gui
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Mingyou Li
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
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8
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Mohammed BT, Donadeu FX. Localisation and in silico based functional analysis of miR-202 in bull testis. Reprod Domest Anim 2022; 57:1082-1087. [PMID: 35569037 PMCID: PMC9545423 DOI: 10.1111/rda.14159] [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: 12/18/2021] [Accepted: 05/12/2022] [Indexed: 11/28/2022]
Abstract
Bull fertility is pivotal to the prosperity of the cattle industry worldwide. miR‐202 has been shown to be gonad specific and to have key roles in gonad function in different species. To further understand the involvement of miR‐202 in bull reproduction, this study aimed to establish its localization in bovine testicular tissue and to identify putative biological functions using bioinformatics approaches. We assessed the miR‐202 expression in paraffin‐embedded tissue samples collected form an abattoir using in situ hybridization. miR‐202 was present in Sertoli cells and in germ cells at different stages of development. Using available databases, a total of 466 predicted gene targets of miR‐202 were identified. Functional annotation revealed that miR‐202 target genes were mainly associated with protein modification and phosphorylation processes as well as longevity regulating pathway. Moreover, genes in the longevity regulating pathway mapped to PI3K/Akt/mTOR pathway which is involved in promoting proliferation of testicular cells and spermatogenesis. These findings suggest that miR‐202 plays important roles in regulating proliferation and viability of testicular cells including somatic and germ cells.
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Affiliation(s)
- Bushra T Mohammed
- Department of Pathology and Microbiology, College of Veterinary Medicine, University of Duhok, Iraq.,The Roslin Institute and R(D)SVS, University of Edinburgh, Easter Bush, Midlothian, United Kingdom
| | - F Xavier Donadeu
- The Roslin Institute and R(D)SVS, University of Edinburgh, Easter Bush, Midlothian, United Kingdom
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9
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Jia B, Zhang L, Ma F, Wang X, Li J, Diao N, Leng X, Shi K, Zeng F, Zong Y, Liu F, Gong Q, Cai R, Yang F, Du R, Chang Z. Comparison of miRNA and mRNA Expression in Sika Deer Testes With Age. Front Vet Sci 2022; 9:854503. [PMID: 35464385 PMCID: PMC9019638 DOI: 10.3389/fvets.2022.854503] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/22/2022] [Indexed: 12/21/2022] Open
Abstract
To elucidate the complex physiological process of testis development and spermatogenesis in Sika deer, this study evaluated the changes of miRNA and mRNA profiles in the four developmental stages of testis in the juvenile (1-year-old), adolescence (3-year-old), adult (5-year-old), and aged (10-year-old) stages. The results showed that a total of 198 mature, 66 novel miRNAs, and 23,558 differentially expressed (DE) unigenes were obtained; 14,918 (8,413 up and 6,505 down), 4,988 (2,453 up and 2,535 down), and 5,681 (2,929 up and 2,752 down) DE unigenes, as well as 88 (43 up and 45 down), 102 (44 up and 58 down), and 54 (18 up and 36 down) DE miRNAs were identified in 3- vs. 1-, 5- vs. 3-, and 10- vs. 5-year-old testes, respectively. By integrating miRNA and mRNA expression profiles, we predicted 10,790 mRNA-mRNA and 69,883 miRNA-mRNA interaction sites. The target genes were enriched by GO and KEGG pathways to obtain DE mRNA (IGF1R, ALKBH5, Piwil, HIF1A, BRDT, etc.) and DE miRNA (miR-140, miR-145, miR-7, miR-26a, etc.), which play an important role in testis development and spermatogenesis. The data show that DE miRNAs could regulate testis developmental and spermatogenesis through signaling pathways, including the MAPK signaling pathway, p53 signaling pathway, PI3K-Akt signaling pathway, Hippo signaling pathway, etc. miR-140 was confirmed to directly target mutant IGF1R-3'UTR by the Luciferase reporter assays. This study provides a useful resource for future studies on the role of miRNA regulation in testis development and spermatogenesis.
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Affiliation(s)
- Boyin Jia
- College of Animal Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, China.,Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China
| | - Linlin Zhang
- College of Animal Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Fuquan Ma
- College of Animal Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Xue Wang
- College of Animal Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Jianming Li
- Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China.,College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Naichao Diao
- College of Animal Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, China.,Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China
| | - Xue Leng
- Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China.,College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Kun Shi
- Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China.,College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Fanli Zeng
- Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China.,College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Ying Zong
- Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China.,College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Fei Liu
- College of Animal Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, China.,Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China
| | - Qinglong Gong
- College of Animal Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, China.,Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China
| | - Ruopeng Cai
- College of Animal Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, China.,Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China
| | - Fuhe Yang
- Institute of Wild Economic Animals and Plants and State Key Laboratory for Molecular Biology of Special Economical Animals, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Rui Du
- Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, China.,College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Zhiguang Chang
- The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
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10
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Robaire B, Delbes G, Head JA, Marlatt VL, Martyniuk CJ, Reynaud S, Trudeau VL, Mennigen JA. A cross-species comparative approach to assessing multi- and transgenerational effects of endocrine disrupting chemicals. ENVIRONMENTAL RESEARCH 2022; 204:112063. [PMID: 34562476 DOI: 10.1016/j.envres.2021.112063] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 06/13/2023]
Abstract
A wide range of chemicals have been identified as endocrine disrupting chemicals (EDCs) in vertebrate species. Most studies of EDCs have focused on exposure of both male and female adults to these chemicals; however, there is clear evidence that EDCs have dramatic effects when mature or developing gametes are exposed, and consequently are associated with in multigenerational and transgenerational effects. Several publications have reviewed such actions of EDCs in subgroups of species, e.g., fish or rodents. In this review, we take a holistic approach synthesizing knowledge of the effects of EDCs across vertebrate species, including fish, anurans, birds, and mammals, and discuss the potential mechanism(s) mediating such multi- and transgenerational effects. We also propose a series of recommendations aimed at moving the field forward in a structured and coherent manner.
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Affiliation(s)
- Bernard Robaire
- Department of Pharmacology and Therapeutics and of Obstetrics and Gynecology, McGill University, Montreal, Canada.
| | - Geraldine Delbes
- Centre Armand Frappier Santé Biotechnologie, Institut National de La Recherche Scientifique (INRS), Laval, QC, Canada
| | - Jessica A Head
- Department of Natural Resource Sciences, Faculty of Agricultural and Environmental Sciences, McGill University, Montreal, Canada
| | - Vicki L Marlatt
- Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Christopher J Martyniuk
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA
| | - Stéphane Reynaud
- Univ. Grenoble-Alpes, Université. Savoie Mont Blanc, CNRS, LECA, Grenoble, 38000, France
| | - Vance L Trudeau
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
| | - Jan A Mennigen
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
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11
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Kaitetzidou E, Gilfillan GD, Antonopoulou E, Sarropoulou E. Sex-biased dynamics of three-spined stickleback (Gasterosteus aculeatus) gene expression patterns. Genomics 2021; 114:266-277. [PMID: 34933072 DOI: 10.1016/j.ygeno.2021.12.010] [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: 05/04/2021] [Revised: 11/17/2021] [Accepted: 12/05/2021] [Indexed: 11/28/2022]
Abstract
The study of the differences between sexes presents an excellent model to unravel how phenotypic variation is achieved from a similar genetic background. Sticklebacks are of particular interest since evidence of a heteromorphic chromosome pair has not always been detected. The present study investigated sex-biased mRNA and small non-coding RNA (sncRNA) expression patterns in the brain, adipose tissues, and gonads of the three-spined stickleback. The sncRNA analysis indicated that regulatory functions occurred mainly in the gonads. Alleged miRNA-mRNA interactions were established and a mapping bias of differential expressed transcripts towards chromosome 19 was observed. Key players previously shown to control sex determination and differentiation in other fish species but also genes like gapdh were among the transcripts identified. This is the first report in the three-spined stickleback demonstrating tissue-specific expression comprising both mRNA and sncRNA between sexes, emphasizing the importance of mRNA-miRNA interactions as well as new presumed genes not yet identified to have gender-specific roles.
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Affiliation(s)
- Elisavet Kaitetzidou
- Institute for Marine Biology, Biotechnology, and Aquaculture, Hellenic Centre for Marine Research, Greece
| | - Gregor D Gilfillan
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Efthimia Antonopoulou
- Department of Zoology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, Greece
| | - Elena Sarropoulou
- Institute for Marine Biology, Biotechnology, and Aquaculture, Hellenic Centre for Marine Research, Greece.
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12
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Cardona E, Guyomar C, Desvignes T, Montfort J, Guendouz S, Postlethwait JH, Skiba-Cassy S, Bobe J. Circulating miRNA repertoire as a biomarker of metabolic and reproductive states in rainbow trout. BMC Biol 2021; 19:235. [PMID: 34781956 PMCID: PMC8594080 DOI: 10.1186/s12915-021-01163-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 10/08/2021] [Indexed: 12/16/2022] Open
Abstract
Background Circulating miRNAs (c-miRNAs) are found in most, if not all, biological fluids and are becoming well-established non-invasive biomarkers of many human pathologies. However, their features in non-pathological contexts and whether their expression profiles reflect normal life history events have received little attention, especially in non-mammalian species. The aim of the present study was to investigate the potential of c-miRNAs to serve as biomarkers of reproductive and metabolic states in fish. Results The blood plasma was sampled throughout the reproductive cycle of female rainbow trout subjected to two different feeding regimes that triggered contrasting metabolic states. In addition, ovarian fluid was sampled at ovulation, and all samples were subjected to small RNA-seq analysis, leading to the establishment of a comprehensive miRNA repertoire (i.e., miRNAome) and enabling subsequent comparative analyses to a panel of RNA-seq libraries from a wide variety of tissues and organs. We showed that biological fluid miRNAomes are complex and encompass a high proportion of the overall rainbow trout miRNAome. While sharing a high proportion of common miRNAs, the blood plasma and ovarian fluid miRNAomes exhibited strong fluid-specific signatures. We further revealed that the blood plasma miRNAome significantly changed depending on metabolic and reproductive states. We subsequently identified three evolutionarily conserved muscle-specific miRNAs or myomiRs (miR-1-1/2-3p, miR-133a-1/2-3p, and miR-206-3p) that accumulated in the blood plasma in response to high feeding rates, making these myomiRs strong candidate biomarkers of active myogenesis. We also identified miR-202-5p as a candidate biomarker for reproductive success that could be used to predict ovulation and/or egg quality. Conclusions Together, these promising results reveal the high potential of c-miRNAs, including evolutionarily conserved myomiRs, as physiologically relevant biomarker candidates and pave the way for the use of c-miRNAs for non-invasive phenotyping in various fish species. Supplementary Information The online version contains supplementary material available at 10.1186/s12915-021-01163-5.
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Affiliation(s)
- Emilie Cardona
- INRAE, LPGP, Fish Physiology and Genomics, F-35000, Rennes, France.,INRAE, Univ. Pau & Pays Adour, E2S UPPA, NUMEA, 64310, Saint-Pée-sur-Nivelle, France
| | - Cervin Guyomar
- INRAE, LPGP, Fish Physiology and Genomics, F-35000, Rennes, France.,GenPhySE, University of Toulouse, INRAE, ENVT, F-31326, Castanet-Tolosan, France
| | - Thomas Desvignes
- Institute of Neurosciences, University of Oregon, Eugene, OR, 97403, USA
| | - Jérôme Montfort
- INRAE, LPGP, Fish Physiology and Genomics, F-35000, Rennes, France
| | - Samia Guendouz
- Institute of Functional Genomics, MGX, UMR 5203 CNRS - U1191 INSERM, F-34094, Montpellier, France
| | | | - Sandrine Skiba-Cassy
- INRAE, Univ. Pau & Pays Adour, E2S UPPA, NUMEA, 64310, Saint-Pée-sur-Nivelle, France
| | - Julien Bobe
- INRAE, LPGP, Fish Physiology and Genomics, F-35000, Rennes, France.
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13
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Shen F, Chao Q, Cai Z, Zhang H, Wu J, Zhang J. Expression, localization, and a regulated target gene (ccnd1) of miR-202-5p in the Japanese flounder gonads. AQUACULTURE AND FISHERIES 2021. [DOI: 10.1016/j.aaf.2021.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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14
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Zhou T, Sha H, Chen M, Chen G, Zou G, Liang H. MicroRNAs May Play an Important Role in Sexual Reversal Process of Chinese Soft-Shelled Turtle, Pelodiscus sinensis. Genes (Basel) 2021; 12:genes12111696. [PMID: 34828302 PMCID: PMC8620467 DOI: 10.3390/genes12111696] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/21/2021] [Accepted: 10/23/2021] [Indexed: 12/17/2022] Open
Abstract
The Chinese soft-shelled (Pelodiscus sinensis) turtle exhibits obvious sex dimorphism, which leads to the higher economic and nutritional value of male individuals. Exogenous hormones can cause the transformation from male to female phenotype during gonadal differentiation. However, the molecular mechanism related to the sexual reversal process is unclear. In this study, we compared the difference between the small RNAs of male, female, and pseudo-female turtles by small RNA-seq to understand the sexual reversal process of Chinese soft-shelled turtles. A certain dose of estrogen can cause the transformation of Chinese soft-shelled turtles from male to female, which are called pseudo-female individuals. The result of small RNA-seq has revealed that the characteristics of pseudo-females are very similar to females, but are strikingly different from males. The number of the microRNAs (miRNAs) of male individuals was significantly less than the number of female individuals or pseudo-female individuals, while the expression level of miRNAs of male individuals were significantly higher than the other two types. Furthermore, we found 533 differentially expressed miRNAs, including 173 up-regulated miRNAs and 360 down-regulated miRNAs, in the process of transformation from male to female phenotype. Cluster analysis of the total 602 differential miRNAs among females, males, and pseudo-females showed that miRNAs played a crucial role during the sexual differentiation. Among these differential miRNAs, we found 12 miRNAs related to gonadal development and verified their expression by qPCR. The TR-qPCR results confirmed the differential expression of 6 of the 12 miRNAs: miR-26a-5p, miR-212-5p, miR-202-5p, miR-301a, miR-181b-3p and miR-96-5p were involved in sexual reversal process, which was consistent with the results of omics. Using these six miRNAs and some of their target genes, we constructed a network diagram related to gonadal development. We suggest that these miRNAs may play an important role in the process of effective sex reversal, which would contribute to the breeding of all male strains of Chinese soft-shelled turtles.
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Affiliation(s)
- Tong Zhou
- Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Science, Wuhan 430223, China; (T.Z.); (H.S.); (M.C.); (G.C.); (G.Z.)
| | - Hang Sha
- Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Science, Wuhan 430223, China; (T.Z.); (H.S.); (M.C.); (G.C.); (G.Z.)
| | - Meng Chen
- Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Science, Wuhan 430223, China; (T.Z.); (H.S.); (M.C.); (G.C.); (G.Z.)
| | - Guobin Chen
- Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Science, Wuhan 430223, China; (T.Z.); (H.S.); (M.C.); (G.C.); (G.Z.)
- College of Fisheries and Life, Shanghai Ocean University, Shanghai 201306, China
| | - Guiwei Zou
- Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Science, Wuhan 430223, China; (T.Z.); (H.S.); (M.C.); (G.C.); (G.Z.)
| | - Hongwei Liang
- Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Science, Wuhan 430223, China; (T.Z.); (H.S.); (M.C.); (G.C.); (G.Z.)
- Correspondence: ; Tel.: +27-81780097
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15
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Alvi SM, Zayed Y, Malik R, Peng C. The emerging role of microRNAs in fish ovary: A mini review. Gen Comp Endocrinol 2021; 311:113850. [PMID: 34245767 DOI: 10.1016/j.ygcen.2021.113850] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 07/02/2021] [Accepted: 07/03/2021] [Indexed: 12/15/2022]
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression primarily at the post-transcriptional levels. It is now well established that miRNAs are crucial regulators of many developmental and physiological processes, including reproduction. In teleosts, expression profiling studies have shown that miRNAs are expressed in the fish ovary and their levels are regulated during follicle development and by hormones. Using CRISPR/Cas9 mediated gene knockout strategies, several recent studies have provided strong evidence that miR-202 and miR-200s on chromosome 23 play critical roles in regulating ovarian development, oogenesis, and ovulation. In this mini review, we provide a brief overview of canonical miRNA biogenesis and functions; summarize miRNAs that are expressed in fish ovary; and discuss the emerging role of miRNAs in regulating fish ovarian functions.
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Affiliation(s)
- Sajid M Alvi
- Department of Biology, York University, Toronto, ON, Canada
| | - Yara Zayed
- Department of Biology, York University, Toronto, ON, Canada
| | - Ramsha Malik
- Department of Biology, York University, Toronto, ON, Canada
| | - Chun Peng
- Department of Biology, York University, Toronto, ON, Canada; Centre for Research on Biomolecular Interactions, York University, Toronto, ON, Canada.
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16
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Ma Z, Yang J, Zhang Q, Xu C, Wei J, Sun L, Wang D, Tao W. miR-133b targets tagln2 and functions in tilapia oogenesis. Comp Biochem Physiol B Biochem Mol Biol 2021; 256:110637. [PMID: 34147671 DOI: 10.1016/j.cbpb.2021.110637] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 06/08/2021] [Accepted: 06/16/2021] [Indexed: 10/21/2022]
Abstract
microRNAs (miRNAs) are important components of non-coding RNAs that participate in diverse life activities by regulating gene expression at the post transcriptional level through base complementary pairing with 3'UTRs of target mRNAs. miR-133b is a member of the miR-133 family, which play important roles in muscle differentiation and tumorigenesis. Recently, miR-133b was reported to affect estrogen synthesis by targeting foxl2 in mouse, while its role in fish reproduction remains to be elucidated. In the present study, we isolated the complete sequence of miR-133b, which was highly expressed in tilapia ovary at 30 and 90 dah (days after hatching) and subsequently decreased at 120 to 150 dah by qPCR. Interestingly, only a few oogonia were remained in the antagomir-133b treated tilapia ovary, while phase I and II oocytes were observed in the ovaries of the control group. Unexpectedly, the expression of foxl2 and cyp19a1a, as well as estradiol levels in serum were increased in the treated group. Furthermore, tagln2, an important factor for oogenesis, was predicted as the target gene of miR-133b, which was confirmed by dual luciferase reporter vector experiments. miR-133b and tagln2 were co-expressed in tilapia ovaries. Taken together, miR-133b may be involved in the early oogenesis of tilapia by regulating tagln2 expression. This study enriches the understanding of miR-133b function during oogenesis and lays a foundation for further study of the regulatory network during oogenesis.
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Affiliation(s)
- Zhisheng Ma
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing 400715, China
| | - Jing Yang
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing 400715, China
| | - Qingqing Zhang
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing 400715, China
| | - Chunmei Xu
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing 400715, China
| | - Jing Wei
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing 400715, China
| | - Lina Sun
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing 400715, China
| | - Deshou Wang
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing 400715, China.
| | - Wenjing Tao
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing 400715, China.
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17
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Guo S, Zhong Y, Zhang Y, Zhu Y, Guo J, Fu Y, Li M. Transcriptome analysis provides insights into long noncoding RNAs in medaka gonads. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2021; 39:100842. [PMID: 33962104 DOI: 10.1016/j.cbd.2021.100842] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/19/2021] [Accepted: 04/22/2021] [Indexed: 10/21/2022]
Abstract
Long non-coding RNAs (lncRNAs) are gradually regarded as regulators in sex determination and gonad development of various animals. Medaka (Oryzias latipes) is an excellent reproductive research model with sex-determining genes. However, the regulation of gonadal lncRNAs on medaka reproductive development remains unknown. Here, 5317 lncRNAs were obtained from medaka ovary and testis by Illumina HiSeq4000, among which 177 lncRNAs were up-regulated and 120 lncRNAs were down-regulated in the testis compared to the ovary. In addition, 6904 cis-regulated target genes were predicted from 3099 lncRNAs. GO and KEGG enrichment analysis showed that these target genes were mainly involved in phosphorylation, metabolic, metabolism of xenobiotics by cytochrome P450, insulin secretion, and GnRH signaling pathways. Furthermore, six highly expressed lncRNAs were randomly selected to verify the sequencing data by quantitative real time PCR (qRT-PCR). Next, in situ hybridization revealed that one of the sex-biased lncRNA MSTRG.14827.1 was highly expressed in immature germ cells, indicating MSTRG.14827.1 may play a key role in gametogenesis. Taken together, this study provides emerging lncRNA libraries and opens new avenues for future investigation of lncRNAs in medaka.
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Affiliation(s)
- Shaoyu Guo
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Ying Zhong
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Yu Zhang
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Yefei Zhu
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Jing Guo
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China
| | - Yuanshuai Fu
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China.
| | - Mingyou Li
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China.
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18
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Su H, Fan J, Ma D, Zhu H. Identification and Characterization of Osmoregulation Related MicroRNAs in Gills of Hybrid Tilapia Under Three Types of Osmotic Stress. Front Genet 2021; 12:526277. [PMID: 33889171 PMCID: PMC8056028 DOI: 10.3389/fgene.2021.526277] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 02/24/2021] [Indexed: 11/13/2022] Open
Abstract
Researchers have increasingly suggested that microRNAs (miRNAs) are small non-coding RNAs that post-transcriptionally regulate gene expression and protein translation in organs and respond to abiotic and biotic stressors. To understand the function of miRNAs in osmotic stress regulation of the gills of hybrid tilapia (Oreochromis mossambicus ♀ × Oreochromis urolepis hornorum ♂), high-throughput Illumina deep sequencing technology was used to investigate the expression profiles of miRNAs under salinity stress (S, 25‰), alkalinity stress (A, 4‰) and salinity-alkalinity stress (SA, S: 15‰, A: 4‰) challenges. The results showed that 31, 41, and 27 upregulated and 33, 42, and 40 downregulated miRNAs (P < 0.05) were identified in the salt stress, alkali stress, and saline-alkali stress group, respectively, which were compared with those in the control group (C). Fourteen significantly differently expressed miRNAs were selected randomly and then validated by a quantitative polymerase chain reaction. On the basis of Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analysis, genes related to osmoregulation and biosynthesis were enriched in the three types of osmotic stress. In addition, three miRNAs and three predicted target genes were chosen to conduct a quantitative polymerase chain reaction in the hybrid tilapia and its parents during 96-h osmotic stress. Differential expression patterns of miRNAs provided the basis for research data to further investigate the miRNA-modulating networks in osmoregulation of teleost.
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Affiliation(s)
- Huanhuan Su
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Jiajia Fan
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
| | - Dongmei Ma
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
| | - Huaping Zhu
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
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19
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Identification of sex differentiation-related microRNA and long non-coding RNA in Takifugu rubripes gonads. Sci Rep 2021; 11:7459. [PMID: 33811216 PMCID: PMC8018949 DOI: 10.1038/s41598-021-83891-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 01/14/2021] [Indexed: 02/01/2023] Open
Abstract
Although sex determination and differentiation are key developmental processes in animals, the involvement of non-coding RNA in the regulation of this process is still not clarified. The tiger pufferfish (Takifugu rubripes) is one of the most economically important marine cultured species in Asia, but analyses of miRNA and long non-coding RNA (lncRNA) at early sex differentiation stages have not been conducted yet. In our study, high-throughput sequencing technology was used to sequence transcriptome libraries from undifferentiated gonads of T. rubripes. In total, 231 (107 conserved, and 124 novel) miRNAs were obtained, while 2774 (523 conserved, and 2251 novel) lncRNAs were identified. Of these, several miRNAs and lncRNAs were predicted to be the regulators of the expression of sex-related genes (including fru-miR-15b/foxl2, novel-167, novel-318, and novel-538/dmrt1, novel-548/amh, lnc_000338, lnc_000690, lnc_000370, XLOC_021951, and XR_965485.1/gsdf). Analysis of differentially expressed miRNAs and lncRNAs showed that three mature miRNAs up-regulated and five mature miRNAs were down-regulated in male gonads compared to female gonads, while 79 lncRNAs were up-regulated and 51 were down-regulated. These findings could highlight a group of interesting miRNAs and lncRNAs for future studies and may reveal new insights into the function of miRNAs and lncRNAs in sex determination and differentiation.
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20
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Zhang Y, Zhong Y, Guo S, Zhu Y, Guo J, Fu Y, Li M. CircRNA profiling reveals circ880 functions as miR-375-3p sponge in medaka gonads. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2021; 38:100797. [PMID: 33714082 DOI: 10.1016/j.cbd.2021.100797] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/25/2020] [Accepted: 01/23/2021] [Indexed: 01/22/2023]
Abstract
Circular RNAs (circRNAs) have been regarded as regulators in the biological processes of various species. However, there is no report about circRNAs in the gonads of model fish medaka (Oryzias latipes). In this study, 1157 and 1570 circRNAs were obtained in the ovary and testis by RNA-sequencing. The characteristics of circRNAs were explored in sequence length, exon composition, and chromosome position. 24 circRNAs were significantly up or down-regulated in the testis compared to the ovary, 9 of which were verified by qRT-PCR. Interestingly, circ452 was highly expressed in the testis while circ880 expression exhibited sexual dimorphism. In situ hybridization (ISH) revealed that circ452 and circ880 were expressed in meiotic germ cells, and circ880 was also abundant in spermatogonia. In addition, dual-luciferase reporter assay manifested that circ880 and Oldnd can combine with miR-375-3p. Overall, these results provide emerging circRNA libraries and open new avenues for future investigation of circRNAs in medaka.
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Affiliation(s)
- Yu Zhang
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Ying Zhong
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Shaoyu Guo
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Yefei Zhu
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Jing Guo
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Yuanshuai Fu
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China.
| | - Mingyou Li
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China.
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21
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Song P, Sun B, Zhu Y, Zhong Y, Guo J, Gui L, Li M. Bucky ball induces primordial germ cell increase in medaka. Gene 2020; 768:145317. [PMID: 33221537 DOI: 10.1016/j.gene.2020.145317] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/25/2020] [Accepted: 11/13/2020] [Indexed: 11/24/2022]
Abstract
Balbaini body (Bb) plays a vital role in germ plasm (GP) assembly and dorsoventral pattern, which is of critical important in germline specification and development. Bucky ball (buc) is reported to be essential for boosting primordial germ cell (PGC) through Bb in previous research. In the present study, a buc homolog (Olbuc) was identified in medaka (Oryzias latipes), and the roles of Olbuc on PGC development were further elucidated. The full length of Olbuc was 2148 bp, which contains a 1724 bp CDS (Coding sequence), a 167 bp 5' UTR (Untranslated region), and a 257 bp 3' UTR. By RT-PCR, the Olbuc RNA expression was maternally provided during embryogenesis and was restricted in the ovary of adult tissues. By in situ hybridization, Olbuc RNA was abundant in oocyte of meiotic stage, but gradually decreased as the oogenesis proceeded. Surprisingly, Olbuc was not co-localized with dazl, the marker gene of Bb. Interestingly, GFP can be specifically and stably expressed through the induction of Olbuc 3'UTR in PGCs. Furthermore, overexpression of Olbuc mRNA could increase PGC number and generate ectopic PGC in medaka and zebrafish embryos. In summary, our results showed that Olbuc performs a conserved function in PGC development in medaka.
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Affiliation(s)
- Peng Song
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Bingyan Sun
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Yefei Zhu
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Ying Zhong
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Jing Guo
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Lang Gui
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Mingyou Li
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
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Ding H, Liu M, Zhou C, You X, Su T, Yang Y, Xu D. Integrated analysis of miRNA and mRNA expression profiles in testes of Duroc and Meishan boars. BMC Genomics 2020; 21:686. [PMID: 33008286 PMCID: PMC7531090 DOI: 10.1186/s12864-020-07096-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 09/23/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND MicroRNAs (miRNAs) are small non-coding RNAs playing vital roles in regulating posttranscriptional gene expression. Elucidating the expression regulation of miRNAs underlying pig testis development will contribute to a better understanding of boar fertility and spermatogenesis. RESULTS In this study, miRNA expression profile was investigated in testes of Duroc and Meishan boars at 20, 75, and 270 days of age by high-throughput sequencing. Forty-five differentially expressed miRNAs were identified from testes of Duroc and Meishan boars before and after puberty. Integrated analysis of miRNA and mRNA profiles predicted many miRNA-mRNA pairs. Gene ontology and biological pathway analyses revealed that predicted target genes of ssc-mir-423-5p, ssc-mir-34c, ssc-mir-107, ssc-mir-196b-5p, ssc-mir-92a, ssc-mir-320, ssc-mir-10a-5p, and ssc-mir-181b were involved in sexual reproduction, male gamete generation, and spermatogenesis, and GnRH, Wnt, and MAPK signaling pathway. Four significantly differentially expressed miRNAs and their predicted target genes were validated by quantitative real-time polymerase chain reaction, and phospholipase C beta 1 (PLCβ1) gene was verified to be a target of ssc-mir-423-5p. CONCLUSIONS This study provides an insight into the functional roles of miRNAs in testis development and spermatogenesis and offers useful resources for understanding differences in sexual function development caused by the change in miRNAs expression between Duroc and Meishan boars.
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Affiliation(s)
- Haisheng Ding
- Key Laboratory of Swine Genetics and Breeding of Ministry of Agriculture and Rural Affairs, and Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China.,Anhui Key Laboratory of Livestock and Poultry Product Safety Engineering, Institute of Animal Husbandry and Veterinary Medicine, Anhui Academy of Agricultural Sciences, Hefei, 230031, People's Republic of China
| | - Min Liu
- Key Laboratory of Swine Genetics and Breeding of Ministry of Agriculture and Rural Affairs, and Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Changfan Zhou
- Key Laboratory of Swine Genetics and Breeding of Ministry of Agriculture and Rural Affairs, and Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Xiangbin You
- Key Laboratory of Swine Genetics and Breeding of Ministry of Agriculture and Rural Affairs, and Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Tao Su
- Key Laboratory of Swine Genetics and Breeding of Ministry of Agriculture and Rural Affairs, and Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Youbing Yang
- College of Animal Science and Technology, Henan University of Science & Technology, Luoyang, 471023, People's Republic of China
| | - Dequan Xu
- Key Laboratory of Swine Genetics and Breeding of Ministry of Agriculture and Rural Affairs, and Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China.
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Papadaki M, Kaitetzidou E, Mylonas CC, Sarropoulou E. Non-coding RNA Expression Patterns of Two Different Teleost Gonad Maturation Stages. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2020; 22:683-695. [PMID: 32876760 DOI: 10.1007/s10126-020-09991-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 08/19/2020] [Indexed: 06/11/2023]
Abstract
Non-coding RNAs (ncRNAs) are involved in several different regulatory pathways including reproduction. In teleost fish, efficacious reproduction is heavily dependent on the completion of the reproductive cycle. The presence of ncRNA, however, and their expression dynamics and putative regulatory role in mature and immature gonads have not yet been extensively explored. Therefore, the abundance of ncRNAs in mature and immature female sharpsnout seabream (Diplodus puntazzo) was investigated. The sharpsnout seabream is a rudimentary hermaphrodite which, in captivity, displays dysfunctions in the gonad maturation process. Our analyses revealed a gonad specific read length distribution with two main peaks representing miRNAs (21-26 nt) and PIWI RNA (27-34 nt). Besides, distinct expression patterns for several ncRNA biotypes including microRNAs (miRNAs), PIWI RNAs (piRNAs), and ribosomal RNAs (rRNAs) were detected. Identified miRNA accounted to 938, corresponding to ~ 13% of obtained transcripts. Among the differential expressed ncRNAs, 10 (~ 7%) were annotated as miRNA, out of which 2 were found in higher abundance in immature gonads (miR-125c and miR-24) and 8 (miR-451, miR-7a, miR-122-1, miR190a, miR129, ENSGACT00000029608, ENSGACT00000029489, and ENSGACT00000029667) were found to be higher expressed in mature gonads. Putative miRNA targets, including long non-coding RNAs (lncRNAs) and genes, are proposed. Target genes are involved in several processes of fish oocyte development, such as steroidogenesis, proteolysis, and apoptosis, and may explain hormone regulation. This study demonstrates a gonad maturation biased ncRNA profile which in turn may support the role of ncRNAs in ovarian physiology and reproductive performance of fish, stressing the specific function of each RNA biotype in oocyte development.
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Affiliation(s)
- Maria Papadaki
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Centre for Marine Research, P.O. Box 2214, 71003, Iraklion, Crete, Greece
- Department of Biology, University of Crete, P.O. Box 2208, 71409, Iraklion, Crete, Greece
| | - Elisavet Kaitetzidou
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Centre for Marine Research, P.O. Box 2214, 71003, Iraklion, Crete, Greece
| | - Constantinos C Mylonas
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Centre for Marine Research, P.O. Box 2214, 71003, Iraklion, Crete, Greece
| | - Elena Sarropoulou
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Centre for Marine Research, P.O. Box 2214, 71003, Iraklion, Crete, Greece.
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24
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Lu T, Zou X, Liu G, Deng M, Sun B, Guo Y, Liu D, Li Y. A Preliminary Study on the Characteristics of microRNAs in Ovarian Stroma and Follicles of Chuanzhong Black Goat during Estrus. Genes (Basel) 2020; 11:genes11090970. [PMID: 32825655 PMCID: PMC7564575 DOI: 10.3390/genes11090970] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/16/2020] [Accepted: 08/19/2020] [Indexed: 02/08/2023] Open
Abstract
microRNAs (miRNAs) play a significant role in ovarian follicular maturity, but miRNA expression patterns in ovarian stroma (OS), large follicles (LF), and small follicles (SF) have been rarely explored. We herein aimed to identify miRNAs, their target genes and signaling pathways, as well as their interaction networks in OS, LF, and SF of Chuanzhong black goats at the estrus phase using small RNA-sequencing. We found that the miRNA expression profiles of LF and SF were more similar than those of OS—32, 16, and 29 differentially expressed miRNAs were identified in OS vs. LF, OS vs. SF, and LF vs. SF, respectively. Analyses of functional enrichment and the miRNA-targeted gene interaction network suggested that miR-182 (SMC3), miR-122 (SGO1), and miR-206 (AURKA) were involved in ovarian organogenesis and hormone secretion by oocyte meiosis. Furthermore, miR-202-5p (EREG) and miR-485-3p (FLT3) were involved in follicular maturation through the MAPK signaling pathway, and miR-2404 (BMP7 and CDKN1C) played a key role in follicular development through the TGF-β signaling pathway and cell cycle; nevertheless, further research is warranted. To our knowledge, this is the first study to investigate miRNA expression patterns in OS, LF, and SF of Chuanzhong black goats during estrus. Our findings provide a theoretical basis to elucidate the role of miRNAs in follicular maturation. These key miRNAs might provide candidate biomarkers for the diagnosis of follicular maturation and will assist in developing new therapeutic targets for female goat infertility.
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Affiliation(s)
- Tingting Lu
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (T.L.); (X.Z.); (G.L.); (M.D.); (B.S.); (Y.G.); (D.L.)
| | - Xian Zou
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (T.L.); (X.Z.); (G.L.); (M.D.); (B.S.); (Y.G.); (D.L.)
- State Key Laboratory of Livestock and Poultry Breeding, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
| | - Guangbin Liu
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (T.L.); (X.Z.); (G.L.); (M.D.); (B.S.); (Y.G.); (D.L.)
| | - Ming Deng
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (T.L.); (X.Z.); (G.L.); (M.D.); (B.S.); (Y.G.); (D.L.)
| | - Baoli Sun
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (T.L.); (X.Z.); (G.L.); (M.D.); (B.S.); (Y.G.); (D.L.)
| | - Yongqing Guo
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (T.L.); (X.Z.); (G.L.); (M.D.); (B.S.); (Y.G.); (D.L.)
| | - Dewu Liu
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (T.L.); (X.Z.); (G.L.); (M.D.); (B.S.); (Y.G.); (D.L.)
| | - Yaokun Li
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (T.L.); (X.Z.); (G.L.); (M.D.); (B.S.); (Y.G.); (D.L.)
- Correspondence: ; Tel.: +86-1862-019-3682
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25
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Wang X, Song X, Bhandari RK. Distinct expression patterns of seven crucial microRNAs during early embryonic development in medaka (Oryzias latipes). Gene Expr Patterns 2020; 37:119133. [PMID: 32800847 DOI: 10.1016/j.gep.2020.119133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 07/18/2020] [Accepted: 08/11/2020] [Indexed: 12/11/2022]
Abstract
MicroRNAs (i.e. miRNAs) are small non-coding RNAs that play essential modulation roles in embryonic development in vertebrates. Paternal and maternal miRNAs contribute to the development of post-fertilization embryo and zygotic genome activation. The pattern of expression and their roles in embryonic development of medaka are not clearly understood. The present study, therefore, examined a temporal expression of seven miRNAs, ola-let-7a, ola-miR-202-3p, ola-miR-126-3p, ola-miR-122, ola-miR-92a, ola-miR-125a-3p and ola-miR-430a in sperm, oocytes, and embryos during early developmental stages. Three unique expression patterns of miRNAs were observed. ola-let7a, ola-miR-202-3p and ola-miR-126-3p showed both paternal and maternal expression, and ola-miR-122, ola-miR-92a, ola-miR-125a-3p showed maternal expression only. The expression of six out of seven miRNAs significantly decreased after maternal-zygotic transition (MZT), whereas ola-miR-430a expression initiated only after MZT. The temporal dynamic expression of these miRNAs suggests their potential roles in early embryogenesis and genome-zygotic activation in medaka.
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Affiliation(s)
- Xuegeng Wang
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC, 27412, USA
| | - Xiaohong Song
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC, 27412, USA; College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Ramji K Bhandari
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC, 27412, USA.
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26
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Characterization and expression analysis of gonad specific igf3 in the medaka ovary. AQUACULTURE AND FISHERIES 2020. [DOI: 10.1016/j.aaf.2020.07.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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27
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Sun L, Zhong Y, Qiu W, Guo J, Gui L, Li M. MiR-26 regulates ddx3x expression in medaka (Oryzias latipes) gonads. Comp Biochem Physiol B Biochem Mol Biol 2020; 246-247:110456. [DOI: 10.1016/j.cbpb.2020.110456] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 05/07/2020] [Accepted: 05/11/2020] [Indexed: 10/24/2022]
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28
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Sun B, Gui L, Liu R, Hong Y, Li M. Medaka oct4 is essential for gastrulation, central nervous system development and angiogenesis. Gene 2020; 733:144270. [DOI: 10.1016/j.gene.2019.144270] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 11/15/2019] [Accepted: 11/15/2019] [Indexed: 02/06/2023]
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29
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Yu Q, Peng C, Ye Z, Tang Z, Li S, Xiao L, Liu S, Yang Y, Zhao M, Zhang Y, Lin H. An estradiol-17β/miRNA-26a/cyp19a1a regulatory feedback loop in the protogynous hermaphroditic fish, Epinephelus coioides. Mol Cell Endocrinol 2020; 504:110689. [PMID: 31891771 DOI: 10.1016/j.mce.2019.110689] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 12/17/2019] [Accepted: 12/17/2019] [Indexed: 12/27/2022]
Abstract
Cyp19a1a is a key gene responsible for the production of estradiol-17β (E2), the main functional estrogen and a major downstream regulator of reproduction in teleost fish. It is widely known that CYP19 gene expression, aromatase activity, and E2 production can influence gonadal differentiation and sex reversal in teleost fish, but the feedback mechanisms whereby E2 regulates cyp19a1a remain poorly understood, especially regarding the potential roles of endogenous small RNA molecules (miRNAs). Here, we identified miR-26a-5p as a regulatory factor of its predicted target gene (cyp19a1a). In vitro and in vivo studies showed that miR-26a-5p can decrease cyp19a1a expression. Furthermore, high doses of E2 act as a repressor of miR-26a-5p. This study proposes a regulatory feedback loop whereby E2 regulates cyp19a1a through miR-26a-5p, and suggests that this positive feedback is an important aspect of the control of E2 production.
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Affiliation(s)
- Qi Yu
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, 510275, Guangzhou, PR China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266373, China; Southern Marine Science and Engineering Guangdong Laboratory (ZhanJiang), Fisheries College, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Cheng Peng
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, 510275, Guangzhou, PR China; Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou, 510260, China
| | - Zhifeng Ye
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, 510275, Guangzhou, PR China
| | - Zhujing Tang
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, 510275, Guangzhou, PR China
| | - Shuisheng Li
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, 510275, Guangzhou, PR China; Southern Marine Science and Engineering Guangdong Laboratory (ZhanJiang), Fisheries College, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Ling Xiao
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, 510275, Guangzhou, PR China; Southern Marine Science and Engineering Guangdong Laboratory (ZhanJiang), Fisheries College, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Su Liu
- Marine Fisheries Development Center of Guangdong Province, Huizhou, 516081, China
| | - Yuqing Yang
- Marine Fisheries Development Center of Guangdong Province, Huizhou, 516081, China
| | - Mi Zhao
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, 510275, Guangzhou, PR China.
| | - Yong Zhang
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, 510275, Guangzhou, PR China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266373, China; Southern Marine Science and Engineering Guangdong Laboratory (ZhanJiang), Fisheries College, Guangdong Ocean University, Zhanjiang, 524088, China; Marine Fisheries Development Center of Guangdong Province, Huizhou, 516081, China.
| | - Haoran Lin
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, 510275, Guangzhou, PR China
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30
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Zayed Y, Qi X, Peng C. Identification of Novel MicroRNAs and Characterization of MicroRNA Expression Profiles in Zebrafish Ovarian Follicular Cells. Front Endocrinol (Lausanne) 2019; 10:518. [PMID: 31417497 PMCID: PMC6684945 DOI: 10.3389/fendo.2019.00518] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 07/15/2019] [Indexed: 12/13/2022] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression primarily at the post-transcriptional levels and thereby play important roles in regulating many physiological and developmental processes. Oocyte maturation in fish is induced by hormones produced from the hypothalamus, pituitary, and ovary. Gonadotropin-releasing hormone (GnRH) stimulates the secretion of luteinizing hormone (LH), which in turn, induces the secretion of maturation-inducing hormone (MIH) from the ovary. It is documented that small early vitellogenic (or stage IIIa) follicles are unable to undergo oocyte maturation whereas oocytes in mid- to late vitellogenic (stage IIIb) follicles can be induced by LH and MIH to become mature. To determine whether miRNAs may be involved in the growth and acquisition of maturational competency of ovarian follicles, we determined the miRNA expression profiles in follicular cells collected from stage IIIa and IIIb follicles using next-generation sequencing. It was found that miRNAs are abundantly expressed in the follicular cells from both stages IIIa and IIIb follicles. Furthermore, bioinformatics analysis revealed the presence of 214 known, 31 conserved novel and 44 novel miRNAs in zebrafish vitellogenic ovarian follicular cells. Most mature miRNAs in follicular cells were found to be in the length of 22 nucleotides. Differential expression analysis revealed that 11 miRNAs were significantly up-regulated, and 13 miRNAs were significantly down-regulated in the stage IIIb follicular cells as compared with stage IIIa follicular cells. The expression of four of the significantly regulated miRNAs, dre-miR-22a-3p, dre-miR-16a, dre-miR-181a-3p, and dre-miR-29a, was validated by real-time PCR. Finally, gene enrichment and pathway analyses of the predicted targets of the significantly regulated miRNAs supported the involvement of several key signaling pathways in regulating ovarian function, including oocyte maturation. Taken together, this study identifies novel zebrafish miRNAs and characterizes miRNA expression profiles in somatic cells within the zebrafish ovarian follicles. The differential expression of miRNAs between stage IIIa and IIIb follicular cells suggests that these miRNAs are important regulators of zebrafish ovarian follicle development and/or oocyte maturation.
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Affiliation(s)
- Yara Zayed
- Department of Biology, York University, Toronto, ON, Canada
| | - Xin Qi
- Department of Biology, York University, Toronto, ON, Canada
| | - Chun Peng
- Department of Biology, York University, Toronto, ON, Canada
- Centre for Research on Biomolecular Interactions, York University, Toronto, ON, Canada
- *Correspondence: Chun Peng
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Gay S, Bugeon J, Bouchareb A, Henry L, Delahaye C, Legeai F, Montfort J, Le Cam A, Siegel A, Bobe J, Thermes V. MiR-202 controls female fecundity by regulating medaka oogenesis. PLoS Genet 2018; 14:e1007593. [PMID: 30199527 PMCID: PMC6147661 DOI: 10.1371/journal.pgen.1007593] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2018] [Revised: 09/20/2018] [Accepted: 07/26/2018] [Indexed: 12/12/2022] Open
Abstract
Female gamete production relies on coordinated molecular and cellular processes that occur in the ovary throughout oogenesis. In fish, as in other vertebrates, these processes have been extensively studied both in terms of endocrine/paracrine regulation and protein expression and activity. The role of small non-coding RNAs in the regulation of animal reproduction remains however largely unknown and poorly investigated, despite a growing interest for the importance of miRNAs in a wide variety of biological processes. Here, we analyzed the role of miR-202, a miRNA predominantly expressed in male and female gonads in several vertebrate species. We studied its expression in the medaka ovary and generated a mutant line (using CRISPR/Cas9 genome editing) to determine its importance for reproductive success with special interest for egg production. Our results show that miR-202-5p is the most abundant mature form of the miRNA and that it is expressed in granulosa cells and in the unfertilized egg. The knock out (KO) of mir-202 gene resulted in a strong phenotype both in terms of number and quality of eggs produced. Mutant females exhibited either no egg production or produced a dramatically reduced number of eggs that could not be fertilized, ultimately leading to no reproductive success. We quantified the size distribution of the oocytes in the ovary of KO females and performed a large-scale transcriptomic analysis approach to identified dysregulated molecular pathways. Together, cellular and molecular analyses indicate that the lack of miR-202 impairs the early steps of oogenesis/folliculogenesis and decreases the number of large (i.e. vitellogenic) follicles, ultimately leading to dramatically reduced female fecundity. This study sheds new light on the regulatory mechanisms that control the early steps of follicular development, including possible targets of miR-202-5p, and provides the first in vivo functional evidence that a gonad-predominant microRNA may have a major role in female reproduction. The role of small non-coding RNAs in the regulation of animal reproduction remains poorly investigated, despite a growing interest for the importance of miRNAs in a wide variety of biological processes. Here, we analyzed the role of miR-202, a miRNA predominantly expressed in gonads in vertebrate. We studied its expression in the medaka ovary and knocked out the mir-202 gene to study its importance for reproductive success. We showed that the lack of miR-202 results in the sterility of both females and males. In particular, it led to a drastic reduction of both the number and the quality of eggs produced by females. Mutant females exhibited either no egg production or produced a drastically reduced number of eggs that could not be fertilized, ultimately leading to no reproductive success. Quantitative histological and molecular analyses indicated that mir-202 KO impairs oocyte development and is also associated with the dysregulation of many genes that are critical for reproduction. This study sheds new light on the regulatory mechanisms that control oogenesis, including possible targets of miR-202-5p, and provides the first in vivo functional evidence that a gonad-predominant microRNA may have a major role in female reproduction.
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Affiliation(s)
| | | | | | | | - Clara Delahaye
- LPGP, INRA, Rennes, France
- Univ Rennes, INRIA, CNRS, IRISA, Rennes, France
| | - Fabrice Legeai
- Univ Rennes, INRIA, CNRS, IRISA, Rennes, France
- IGEPP, INRA BP35327, Le Rheu, France
| | | | | | - Anne Siegel
- Univ Rennes, INRIA, CNRS, IRISA, Rennes, France
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Zhu T, Gui L, Zhu Y, Li Y, Li M. Dnd is required for primordial germ cell specification in Oryzias celebensis. Gene 2018; 679:36-43. [PMID: 30171940 DOI: 10.1016/j.gene.2018.08.068] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 08/21/2018] [Accepted: 08/23/2018] [Indexed: 11/15/2022]
Abstract
Dead end (dnd) is a germ plasm component that plays an essential role for primordial germ cell (PGC) development in vertebrates. Previously, we have found that dnd is the first fish PGC specifier in medaka. Here, we present an additional evidence that dnd is the determinant for PGC specification in Oryzias celebensis. In adult tissues, the O. celebensis dnd (Ocdnd) RNA shows germ cells specific expression in gonads. In the testis, Ocdnd RNA is strongly detected in spermatogonia and meiotic cells and gradually decreases during the spermatogenesis. In the ovary, Ocdnd RNA is present throughout oogenesis. In the embryos, Ocdnd RNA is maternally provided and asymmetrically localized to prominent particles of presumptive PGCs before gastrulation stage and restricted to PGCs subsequently. In addition, Ocdnd 3' UTR can induce specific and stabilized GFP reporter expression in PGCs. Furthermore, knockdown of Ocdnd by morpholino (MO) injection abolishes the PGCs formation and this can be rescued by co-injection of medaka dnd (Oldnd) mRNA. More importantly, overexpression of Oldnd mRNA surprisingly boosts PGCs number. These results provide insights into function of dnd as a conserved specifier of PGCs in the genus Oryzias.
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Affiliation(s)
- Tianyu Zhu
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center For Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education Shanghai Ocean University, Shanghai, 201306, China
| | - Lang Gui
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center For Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education Shanghai Ocean University, Shanghai, 201306, China
| | - Yefei Zhu
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center For Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education Shanghai Ocean University, Shanghai, 201306, China
| | - Yu Li
- Key Laboratory of Oceanic and Polar Fisheries, Ministry of Agriculture, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China
| | - Mingyou Li
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center For Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education Shanghai Ocean University, Shanghai, 201306, China.
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