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Raza A, Charagh S, Karikari B, Sharif R, Yadav V, Mubarik MS, Habib M, Zhuang Y, Zhang C, Chen H, Varshney RK, Zhuang W. miRNAs for crop improvement. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 201:107857. [PMID: 37437345 DOI: 10.1016/j.plaphy.2023.107857] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/14/2023]
Abstract
Climate change significantly impacts crop production by inducing several abiotic and biotic stresses. The increasing world population, and their food and industrial demands require focused efforts to improve crop plants to ensure sustainable food production. Among various modern biotechnological tools, microRNAs (miRNAs) are one of the fascinating tools available for crop improvement. miRNAs belong to a class of small non-coding RNAs playing crucial roles in numerous biological processes. miRNAs regulate gene expression by post-transcriptional target mRNA degradation or by translation repression. Plant miRNAs have essential roles in plant development and various biotic and abiotic stress tolerance. In this review, we provide propelling evidence from previous studies conducted around miRNAs and provide a one-stop review of progress made for breeding stress-smart future crop plants. Specifically, we provide a summary of reported miRNAs and their target genes for improvement of plant growth and development, and abiotic and biotic stress tolerance. We also highlight miRNA-mediated engineering for crop improvement and sequence-based technologies available for the identification of miRNAs associated with stress tolerance and plant developmental events.
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Affiliation(s)
- Ali Raza
- Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, College of Agriculture, Fujian Agriculture and Forestry University (FAFU), Fuzhou, 35002, China
| | - Sidra Charagh
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Hangzhou, China
| | - Benjamin Karikari
- Department of Agricultural Biotechnology, Faculty of Agriculture, Food and Consumer Sciences, University for Development Studies, Tamale, Ghana
| | - Rahat Sharif
- Department of Horticulture, College of Horticulture and Landscape Architecture, Yangzhou University, 48 Wenhui East Road, Yangzhou, Jiangsu 225009, China
| | - Vivek Yadav
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shanxi, 712100, China
| | | | - Madiha Habib
- National Institute for Genomics and Advanced Biotechnology (NIGAB), National Agricultural Research Centre (NARC), Park Rd., Islamabad 45500, Pakistan
| | - Yuhui Zhuang
- College of Life Science, Fujian Agriculture and Forestry University (FAFU), Fuzhou, China
| | - Chong Zhang
- Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, College of Agriculture, Fujian Agriculture and Forestry University (FAFU), Fuzhou, 35002, China
| | - Hua Chen
- Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, College of Agriculture, Fujian Agriculture and Forestry University (FAFU), Fuzhou, 35002, China
| | - Rajeev K Varshney
- Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, College of Agriculture, Fujian Agriculture and Forestry University (FAFU), Fuzhou, 35002, China; WA State Agricultural Biotechnology Centre, Centre for Crop and Food Innovation, Food Futures Institute, Murdoch University, Murdoch, WA, 6150, Australia.
| | - Weijian Zhuang
- Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, College of Agriculture, Fujian Agriculture and Forestry University (FAFU), Fuzhou, 35002, China.
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Swida-Barteczka A, Pacak A, Kruszka K, Nuc P, Karlowski WM, Jarmolowski A, Szweykowska-Kulinska Z. MicroRNA172b-5p/trehalose-6-phosphate synthase module stimulates trehalose synthesis and microRNA172b-3p/AP2-like module accelerates flowering in barley upon drought stress. FRONTIERS IN PLANT SCIENCE 2023; 14:1124785. [PMID: 36950348 PMCID: PMC10025483 DOI: 10.3389/fpls.2023.1124785] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
MicroRNAs (miRNAs) are major regulators of gene expression during plant development under normal and stress conditions. In this study, we analyzed the expression of 150 conserved miRNAs during drought stress applied to barley ready to flower. The dynamics of miRNAs expression was also observed after rewatering. Target messenger RNA (mRNAs) were experimentally identified for all but two analyzed miRNAs, and 41 of the targets were not reported before. Drought stress applied to barley induced accelerated flowering coordinated by a pair of two differently expressed miRNAs originating from a single precursor: hvu-miR172b-3p and hvu-miR172b-5p. Increased expression of miRNA172b-3p during drought leads to the downregulation of four APETALA2(AP2)-like genes by their mRNA cleavage. In parallel, the downregulation of the miRNA172b-5p level results in an increased level of a newly identified target, trehalose-6-phosphate synthase, a key enzyme in the trehalose biosynthesis pathway. Therefore, drought-treated plants have higher trehalose content, a known osmoprotectant, whose level is rapidly dropping after watering. In addition, trehalose-6-phosphate, an intermediate of the trehalose synthesis pathway, is known to induce flowering. The hvu-miRNA172b-5p/trehalose-6-phosphate synthase and hvu-miRNA172b-3p/AP2-like create a module leading to osmoprotection and accelerated flowering induction during drought.
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Affiliation(s)
- Aleksandra Swida-Barteczka
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Andrzej Pacak
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Katarzyna Kruszka
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Przemyslaw Nuc
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Wojciech M. Karlowski
- Department of Computational Biology, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Artur Jarmolowski
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Zofia Szweykowska-Kulinska
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
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What Do We Know about Barley miRNAs? Int J Mol Sci 2022; 23:ijms232314755. [PMID: 36499082 PMCID: PMC9740008 DOI: 10.3390/ijms232314755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/09/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
Plant miRNAs are powerful regulators of gene expression at the post-transcriptional level, which was repeatedly proved in several model plant species. miRNAs are considered to be key regulators of many developmental, homeostatic, and immune processes in plants. However, our understanding of plant miRNAs is still limited, despite the fact that an increasing number of studies have appeared. This systematic review aims to summarize our current knowledge about miRNAs in spring barley (Hordeum vulgare), which is an important agronomical crop worldwide and serves as a common monocot model for studying abiotic stress responses as well. This can help us to understand the connection between plant miRNAs and (not only) abiotic stresses in general. In the end, some future perspectives and open questions are summarized.
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Yu D, McKinley L, Nien Y, Prall W, Zvarick A. RNA biology takes root in plant systems. PLANT DIRECT 2022; 6:e445. [PMID: 36091875 PMCID: PMC9448652 DOI: 10.1002/pld3.445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 08/09/2022] [Indexed: 06/15/2023]
Abstract
Advances in RNA biology such as RNAi, CRISPR, and the first mRNA vaccine represent the enormous potential of RNA research to address current problems. Additionally, plants are a diverse and undeniably essential resource for life threatened by climate change, loss of arable land, and pollution. Different aspects of RNA such as its processing, modification and structure are intertwined with plant development, physiology and stress response. This report details the findings of researchers around the world during the 23rd Penn State Symposium in Plant Biology with a focus in RNA biology.
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Affiliation(s)
- David Yu
- Department of BiologyThe Pennsylvania State UniversityUniversity ParkPAUSA
| | - Lauren McKinley
- Department of ChemistryThe Pennsylvania State UniversityUniversity ParkPAUSA
| | - Yachi Nien
- Department of BiologyThe Pennsylvania State UniversityUniversity ParkPAUSA
| | - Wil Prall
- Department of BiologyThe University of PennsylvaniaPhiladelphiaPAUSA
| | - Allison Zvarick
- Department of BiologyThe Pennsylvania State UniversityUniversity ParkPAUSA
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Selvi A, Devi K, Manimekalai R, Prathima PT, Valiyaparambth R, Lakshmi K. High-throughput miRNA deep sequencing in response to drought stress in sugarcane. 3 Biotech 2021; 11:312. [PMID: 34109097 DOI: 10.1007/s13205-021-02857-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 05/22/2021] [Indexed: 12/14/2022] Open
Abstract
Drought is a major factor which reduces cane growth and productivity. In the present study, we sequenced drought susceptible (V1) and drought tolerant (V2) sugarcane varieties using high-throughput miRNA deep sequencing method to study the regulation of gene expression by miRNAs during drought stress in sugarcane. A total of 1224 conserved miRNAs which belong to 89 miRNA families were identified and 38% of the differentially regulated miRNAs were common for both varieties. Additionally 435 novel miRNAs were also identified from four small RNA libraries. We identified 145 miRNAs that were differentially expressed in susceptible variety (V1-31) and 143 miRNAs differentially expressed in the tolerant variety (V2-31). Target prediction revealed that the genes mainly encoded transcription factors, proteins, phosphatase and kinases involved in signal transduction pathways, integral component of membrane and inorganic ion transport metabolism, enzymes involved in carbohydrate transport and metabolism and drought-stress-related proteins involved in defense mechanisms. Pathway analysis of targets revealed that "General function prediction only" was the most significant pathway observed in both tolerant and susceptible genotypes followed by "signal transduction mechanisms". Functional annotation of the transcripts revealed genes like calcium-dependent protein kinase, respiratory burst oxidase, caffeic acid 3-O-methyltransferase, peroxidase, calmodulin, glutathione S-transferase and transcription factors like MYB, WRKY that are involved in drought tolerant pathways. qRT-PCR was used to verify the expression levels of miRNAs and their potential targets obtained from RNA sequencing results. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-021-02857-x.
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Affiliation(s)
- Athiappan Selvi
- Biotechnology Section, Division of Crop Improvement, ICAR-Sugarcane Breeding Institute, Coimbatore, Tamil Nadu 641 007 India
| | - Kaliannan Devi
- Biotechnology Section, Division of Crop Improvement, ICAR-Sugarcane Breeding Institute, Coimbatore, Tamil Nadu 641 007 India
| | - Ramaswamy Manimekalai
- Biotechnology Section, Division of Crop Improvement, ICAR-Sugarcane Breeding Institute, Coimbatore, Tamil Nadu 641 007 India
| | | | - Rabisha Valiyaparambth
- Biotechnology Section, Division of Crop Improvement, ICAR-Sugarcane Breeding Institute, Coimbatore, Tamil Nadu 641 007 India
| | - Kasirajan Lakshmi
- Biotechnology Section, Division of Crop Improvement, ICAR-Sugarcane Breeding Institute, Coimbatore, Tamil Nadu 641 007 India
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