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Liu C, Jiang Y, Yun Z, Zhang K, Zhao M, Wang Y, Zhang M, Tian Z, Wang K. Small RNA-Seq to Unveil the miRNA Expression Patterns and Identify the Target Genes in Panax ginseng. PLANTS (BASEL, SWITZERLAND) 2023; 12:3070. [PMID: 37687317 PMCID: PMC10490192 DOI: 10.3390/plants12173070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/17/2023] [Accepted: 08/26/2023] [Indexed: 09/10/2023]
Abstract
Panax ginseng, renowned for its medicinal properties, relies on adventitious roots and hairy roots as crucial sources for the production of ginsenosides. Despite the widespread utilization of ginseng, investigations into its miRNAs have remained scarce. To address this gap, two samples of ginseng adventitious roots and ginseng hairy roots were collected, and subsequent construction and sequencing of small RNA libraries of ginseng adventitious roots and hairy roots were performed using the Illumina HiSeq X Ten platform. The analysis of the sequencing data unveiled total miRNAs 2432. The miR166 and miR396 were the most highly expressed miRNA families in ginseng. The miRNA expression analysis results were used to validate the qRT-PCR. Target genes of miRNA were predicted and GO function annotation and KEGG pathway analysis were performed on target genes. It was found that miRNAs are mainly involved in synthetic pathways and biological processes in plants, which include metabolic and bioregulatory processes. The plant miRNAs enriched KEGG pathways are associated with some metabolism, especially amino acid metabolism and carbohydrate metabolism. These results provide valuable insights miRNAs and their roles in metabolic processes in ginseng.
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Affiliation(s)
- Chang Liu
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (C.L.); (Y.J.); (Z.Y.); (K.Z.); (M.Z.); (Y.W.); (M.Z.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
| | - Yang Jiang
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (C.L.); (Y.J.); (Z.Y.); (K.Z.); (M.Z.); (Y.W.); (M.Z.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
| | - Ziyi Yun
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (C.L.); (Y.J.); (Z.Y.); (K.Z.); (M.Z.); (Y.W.); (M.Z.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
| | - Kexin Zhang
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (C.L.); (Y.J.); (Z.Y.); (K.Z.); (M.Z.); (Y.W.); (M.Z.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
| | - Mingzhu Zhao
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (C.L.); (Y.J.); (Z.Y.); (K.Z.); (M.Z.); (Y.W.); (M.Z.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
| | - Yi Wang
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (C.L.); (Y.J.); (Z.Y.); (K.Z.); (M.Z.); (Y.W.); (M.Z.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
| | - Meiping Zhang
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (C.L.); (Y.J.); (Z.Y.); (K.Z.); (M.Z.); (Y.W.); (M.Z.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
| | - Zhuo Tian
- College of Information Technology, Jilin Agricultural University, Changchun 130118, China
| | - Kangyu Wang
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (C.L.); (Y.J.); (Z.Y.); (K.Z.); (M.Z.); (Y.W.); (M.Z.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
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MicroRNAs in Medicinal Plants. Int J Mol Sci 2022; 23:ijms231810477. [PMID: 36142389 PMCID: PMC9500639 DOI: 10.3390/ijms231810477] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
Medicinal plant microRNAs (miRNAs) are an endogenous class of small RNA central to the posttranscriptional regulation of gene expression. Biosynthetic research has shown that the mature miRNAs in medicinal plants can be produced from either the standard messenger RNA splicing mechanism or the pre-ribosomal RNA splicing process. The medicinal plant miRNA function is separated into two levels: (1) the cross-kingdom level, which is the regulation of disease-related genes in animal cells by oral intake, and (2) the intra-kingdom level, which is the participation of metabolism, development, and stress adaptation in homologous or heterologous plants. Increasing research continues to enrich the biosynthesis and function of medicinal plant miRNAs. In this review, peer-reviewed papers on medicinal plant miRNAs published on the Web of Science were discussed, covering a total of 78 species. The feasibility of the emerging role of medicinal plant miRNAs in regulating animal gene function was critically evaluated. Staged progress in intra-kingdom miRNA research has only been found in a few medicinal plants, which may be mainly inhibited by their long growth cycle, high demand for growth environment, immature genetic transformation, and difficult RNA extraction. The present review clarifies the research significance, opportunities, and challenges of medicinal plant miRNAs in drug development and agricultural production. The discussion of the latest results furthers the understanding of medicinal plant miRNAs and helps the rational design of the corresponding miRNA/target genes functional modules.
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Research progress about microRNAs involved in plant secondary metabolism. Int J Biol Macromol 2022; 216:820-829. [DOI: 10.1016/j.ijbiomac.2022.07.224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 07/21/2022] [Accepted: 07/27/2022] [Indexed: 11/18/2022]
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Taheri-Dehkordi A, Naderi R, Martinelli F, Salami SA. Computational screening of miRNAs and their targets in saffron (Crocus sativus L.) by transcriptome mining. PLANTA 2021; 254:117. [PMID: 34751821 DOI: 10.1007/s00425-021-03761-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 10/18/2021] [Indexed: 06/13/2023]
Abstract
A robust workflow for the identification of miRNAs and their targets in saffron was developed. MicroRNA-mediated gene regulation in saffron is potentially involved in several biological processes, including the biosynthesis of highly valuable apocarotenoids. Saffron (Crocus sativus L.) is the most expensive spice in the world and a major source of apocarotenoids. Even though miRNAs (20-24 nt non-coding small RNAs) are important regulators of gene expression at transcriptional and post-transcriptional levels, their role in saffron has not been thoroughly investigated. As a result, a workflow for computational identification of miRNAs and their targets can be useful to uncover the regulatory networks underlying biological processes in this valuable plant. The efficiency of several assembly tools such as Trans-ABySS, Trinity, Bridger, rnaSPAdes, and EvidentialGene was evaluated based on both reference-based and reference-free metrics using transcriptome data. A reliable workflow for computational identification of miRNAs and their targets in saffron was described. The EvidentialGene was found to be the most efficient de novo transcriptome assembler for saffron as a complex triploid model, followed by the Trinity. In total, 66 miRNAs from 19 different families that target 2880 genes, including several transcription factors involved in the flowering transition, were identified. Three of the identified targets were involved in the terpenoids backbone biosynthesis. CsCCD and CsUGT genes involved in the apocarotenoids biosynthetic pathway were targeted by csa-miR156g and csa-miR156b-3p, revealing a unique post-transcriptional regulation dynamic in saffron. The identified miRNAs and their targets add to our understanding of the many biological roles of miRNAs in saffron and shed new light on the control of the apocarotenoid biosynthetic pathway in this valuable plant.
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Affiliation(s)
- Ayat Taheri-Dehkordi
- Department of Horticultural Science, Faculty of Agricultural Science and Engineering, University of Tehran, Karaj, Iran
| | - Roohangiz Naderi
- Department of Horticultural Science, Faculty of Agricultural Science and Engineering, University of Tehran, Karaj, Iran
| | | | - Seyed Alireza Salami
- Department of Horticultural Science, Faculty of Agricultural Science and Engineering, University of Tehran, Karaj, Iran.
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Wang Z, Sun X, Zhang X, Dong B, Yu H. Development of a miRNA Sensor by an Inducible CRISPR-Cas9 Construct in Ciona Embryogenesis. Mol Biotechnol 2021; 63:613-620. [PMID: 33880702 DOI: 10.1007/s12033-021-00324-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/29/2021] [Indexed: 11/28/2022]
Abstract
MicroRNAs (miRNAs) regulate multicellular processes and diverse signaling pathways in organisms. The detection of the spatiotemporal expression of miRNA in vivo is crucial for uncovering the function of miRNA. However, most of the current detecting techniques cannot reflect the dynamics of miRNA sensitively in vivo. Here, we constructed a miRNA-induced CRISPR-Cas9 platform (MICR) used in marine chordate Ciona. The key component of MICR is a pre-single guide RNA (sgRNA) flanked by miRNA-binding sites that can be released by RNA-induced silencing complex (RISC) cleavage to form functional sgRNA in the presence of complementary miRNA. By using the miRNA-inducible CRISPR-on system (MICR-ON), we successfully detected the dynamic expression of a miRNA csa-miR-4018a during development of Ciona embryo. The detected patterns were validated to be consistent with the results by in situ hybridization. It is worth noting that the expression of csa-miR-4018a was examined by MICR-ON to be present in additional tissues, where no obvious signaling was detected by in situ hybridization, suggesting that the MICR-ON might be a more sensitive approach to detect miRNA signal in living animal. Thus, MICR-ON was demonstrated to be a sensitive and highly efficient approach for monitoring the dynamics of expression of miRNA in vivo and will facilitate the exploration of miRNA functions in biological systems.
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Affiliation(s)
- Zhuqing Wang
- Sars-Fang Centre, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Xueping Sun
- Sars-Fang Centre, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Xiaoming Zhang
- Sars-Fang Centre, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Bo Dong
- Sars-Fang Centre, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
- Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, China
| | - Haiyan Yu
- Sars-Fang Centre, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China.
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Aghdam SA, Brown AMV. Deep learning approaches for natural product discovery from plant endophytic microbiomes. ENVIRONMENTAL MICROBIOME 2021; 16:6. [PMID: 33758794 PMCID: PMC7972023 DOI: 10.1186/s40793-021-00375-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 02/21/2021] [Indexed: 05/10/2023]
Abstract
Plant microbiomes are not only diverse, but also appear to host a vast pool of secondary metabolites holding great promise for bioactive natural products and drug discovery. Yet, most microbes within plants appear to be uncultivable, and for those that can be cultivated, their metabolic potential lies largely hidden through regulatory silencing of biosynthetic genes. The recent explosion of powerful interdisciplinary approaches, including multi-omics methods to address multi-trophic interactions and artificial intelligence-based computational approaches to infer distribution of function, together present a paradigm shift in high-throughput approaches to natural product discovery from plant-associated microbes. Arguably, the key to characterizing and harnessing this biochemical capacity depends on a novel, systematic approach to characterize the triggers that turn on secondary metabolite biosynthesis through molecular or genetic signals from the host plant, members of the rich 'in planta' community, or from the environment. This review explores breakthrough approaches for natural product discovery from plant microbiomes, emphasizing the promise of deep learning as a tool for endophyte bioprospecting, endophyte biochemical novelty prediction, and endophyte regulatory control. It concludes with a proposed pipeline to harness global databases (genomic, metabolomic, regulomic, and chemical) to uncover and unsilence desirable natural products. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1186/s40793-021-00375-0.
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Affiliation(s)
- Shiva Abdollahi Aghdam
- Department of Biological Sciences, Texas Tech University, 2901 Main St, Lubbock, TX 79409 USA
| | - Amanda May Vivian Brown
- Department of Biological Sciences, Texas Tech University, 2901 Main St, Lubbock, TX 79409 USA
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