1
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Aghaali Z, Naghavi MR. Developing benzylisoquinoline alkaloid-enriched opium poppy via CRISPR-directed genome editing: A review. BMC PLANT BIOLOGY 2024; 24:700. [PMID: 39048937 PMCID: PMC11267691 DOI: 10.1186/s12870-024-05412-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Accepted: 07/11/2024] [Indexed: 07/27/2024]
Abstract
Among plant-derived secondary metabolites are benzylisoquinoline alkaloids (BIAs) that play a vital role in medicine. The most conspicuous BIAs frequently found in opium poppy are morphine, codeine, thebaine, papaverine, sanguinarine, and noscapine. BIAs have provided abundant clinically useful drugs used in the treatment of various diseases and ailments With an increasing demand for these herbal remedies, genetic improvement of poppy plants appears to be essential to live up to the expectations of the pharmaceutical industry. With the advent of clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated9 (Cas9), the field of metabolic engineering has undergone a paradigm shift in its approach due to its appealing attributes, such as the transgene-free editing capability, precision, selectivity, robustness, and versatility. The potentiality of the CRISPR system for manipulating metabolic pathways in opium poppy was demonstrated, but further investigations regarding the use of CRISPR in BIA pathway engineering should be undertaken to develop opium poppy into a bioreactor synthesizing BIAs at the industrial-scale levels. In this regard, the recruitment of RNA-guided genome editing for knocking out miRNAs, flower responsible genes, genes involved in competitive pathways, and base editing are described. The approaches presented here have never been suggested or applied in opium poppy so far.
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Affiliation(s)
- Zahra Aghaali
- Department of Genetics and Plant Breeding, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Reza Naghavi
- Division of Plant Biotechnology, Department of Agronomy and Plant Breeding, College of Agricultural and Natural Resources, University of Tehran, Karaj, Iran.
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2
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Yang Z, Tang Y, Wu X, Wang J, Yao W. MicroRNA-130b Suppresses Malignant Behaviours and Inhibits the Activation of the PI3K/Akt Signaling Pathway by Targeting MET in Pancreatic Cancer. Biochem Genet 2024:10.1007/s10528-024-10696-7. [PMID: 38607540 DOI: 10.1007/s10528-024-10696-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 01/10/2024] [Indexed: 04/13/2024]
Abstract
There has been interested in the microRNAs' roles in pancreatic cancer (PC) cell biology, particularly in regulating pathways related to tumorigenesis. The study aimed to explore the hub miRNAs in PC and underlying mechanisms by bioinformatics and fundamental experiments. RNA datasets collected from the Gene Expression Omnibus were analysed to find out differentially expressed RNAs (DERNAs). The miRNA-mRNA and protein-protein interaction (PPI) networks were built. The clinicopathological features and expressions of hub miRNAs and hub mRNAs were explored. Dual-luciferase reporter gene assay was performed to assess the interaction between microRNA and target gene. RT-qPCR and western blot were employed to explore RNA expression. The roles of RNA were detected by CCK-8 test, wound healing, transwell, and flow cytometry experiment. We verified 40 DEmiRNAs and 1613 DEmRNAs, then detected a total of 69 final functional mRNAs (FmRNAs) and 23 DEmiRNAs. In the miRNA-mRNA networks, microRNA-130b (miR-130b) was the hub RNA with highest degrees. Clinical analysis revealed that miR-130b was considerably lower expressed in cancerous tissues than in healthy ones, and patients with higher-expressed miR-130b had a better prognosis. Mechanically, miR-130b directly targeted MET in PC cells. Cell functional experiments verified that miR-130b suppressed cell proliferation, migration, promoted apoptosis, and inhibited the PI3K/Akt pathway by targeting MET in PC cells. Our findings illustrated the specific molecular mechanism of miR-130b regulating PC progress. The miR-130b/MET axis may be an alternative target in the therapeutic intervention of PC and provide an opportunity to deepen our understanding of the pathogenesis of PC.
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Affiliation(s)
- Zilin Yang
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yuming Tang
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Xuejiao Wu
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Jiancheng Wang
- Department of General Surgery, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Weiyan Yao
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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3
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Ijee S, Chambayil K, Chaudhury AD, Bagchi A, Modak K, Das S, Benjamin ESB, Rani S, Paul DZ, Nath A, Roy D, Palani D, Priyanka S, Ravichandran R, Kumary BK, Sivamani Y, S. V, Babu D, Nakamura Y, Thamodaran V, Balasubramanian P, Velayudhan SR. Efficient deletion of microRNAs using CRISPR/Cas9 with dual guide RNAs. Front Mol Biosci 2024; 10:1295507. [PMID: 38628442 PMCID: PMC11020096 DOI: 10.3389/fmolb.2023.1295507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 12/27/2023] [Indexed: 04/19/2024] Open
Abstract
MicroRNAs (miRNAs) are short non-coding RNAs that play crucial roles in gene regulation, exerting post-transcriptional silencing, thereby influencing cellular function, development, and disease. Traditional loss-of-function methods for studying miRNA functions, such as miRNA inhibitors and sponges, present limitations in terms of specificity, transient effects, and off-target effects. Similarly, CRISPR/Cas9-based editing of miRNAs using single guide RNAs (sgRNAs) also has limitations in terms of design space for generating effective gRNAs. In this study, we introduce a novel approach that utilizes CRISPR/Cas9 with dual guide RNAs (dgRNAs) for the rapid and efficient generation of short deletions within miRNA genomic regions. Through the expression of dgRNAs through single-copy lentiviral integration, this approach achieves over a 90% downregulation of targeted miRNAs within a week. We conducted a comprehensive analysis of various parameters influencing efficient deletion formation. In addition, we employed doxycycline (Dox)-inducible expression of Cas9 from the AAVS1 locus, enabling homogeneous, temporal, and stage-specific editing during cellular differentiation. Compared to miRNA inhibitory methods, the dgRNA-based approach offers higher specificity, allowing for the deletion of individual miRNAs with similar seed sequences, without affecting other miRNAs. Due to the increased design space, the dgRNA-based approach provides greater flexibility in gRNA design compared to the sgRNA-based approach. We successfully applied this approach in two human cell lines, demonstrating its applicability for studying the mechanisms of human erythropoiesis and pluripotent stem cell (iPSC) biology and differentiation. Efficient deletion of miR-451 and miR-144 resulted in blockage of erythroid differentiation, and the deletion of miR-23a and miR-27a significantly affected iPSC survival. We have validated the highly efficient deletion of genomic regions by editing protein-coding genes, resulting in a significant impact on protein expression. This protocol has the potential to be extended to delete multiple miRNAs within miRNA clusters, allowing for future investigations into the cooperative effects of the cluster members on cellular functions. The protocol utilizing dgRNAs for miRNA deletion can be employed to generate efficient pooled libraries for high-throughput comprehensive analysis of miRNAs involved in different biological processes.
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Affiliation(s)
- Smitha Ijee
- Centre for Stem Cell Research (A Unit of inStem, Bengaluru), Christian Medical College Campus, Vellore, India
- Department of Biotechnology, Thiruvalluvar University, Vellore, India
| | - Karthik Chambayil
- Centre for Stem Cell Research (A Unit of inStem, Bengaluru), Christian Medical College Campus, Vellore, India
- Sree Chitra Tirunal Institute of Science and Medical Technology, Thiruvananthapuram, India
| | - Anurag Dutta Chaudhury
- Department of Haematology, Christian Medical College Campus, Vellore, India
- Regional Centre for Biotechnology, New Delhi, India
| | - Abhirup Bagchi
- Centre for Stem Cell Research (A Unit of inStem, Bengaluru), Christian Medical College Campus, Vellore, India
| | - Kirti Modak
- Department of Haematology, Christian Medical College Campus, Vellore, India
- Regional Centre for Biotechnology, New Delhi, India
| | - Saswati Das
- Department of Biotechnology, Thiruvalluvar University, Vellore, India
- Department of Haematology, Christian Medical College Campus, Vellore, India
| | - Esther Sathya Bama Benjamin
- Sree Chitra Tirunal Institute of Science and Medical Technology, Thiruvananthapuram, India
- Department of Haematology, Christian Medical College Campus, Vellore, India
| | - Sonam Rani
- Centre for Stem Cell Research (A Unit of inStem, Bengaluru), Christian Medical College Campus, Vellore, India
- Department of Biotechnology, Thiruvalluvar University, Vellore, India
| | - Daniel Zechariah Paul
- Department of Haematology, Christian Medical College Campus, Vellore, India
- Manipal Academy of Higher Education, Manipal, India
| | - Aneesha Nath
- Centre for Stem Cell Research (A Unit of inStem, Bengaluru), Christian Medical College Campus, Vellore, India
| | - Debanjan Roy
- Department of Haematology, Christian Medical College Campus, Vellore, India
- Manipal Academy of Higher Education, Manipal, India
| | - Dhavapriya Palani
- Centre for Stem Cell Research (A Unit of inStem, Bengaluru), Christian Medical College Campus, Vellore, India
| | - Sweety Priyanka
- Department of Haematology, Christian Medical College Campus, Vellore, India
| | | | - Betty K. Kumary
- Department of Haematology, Christian Medical College Campus, Vellore, India
| | - Yazhini Sivamani
- Department of Haematology, Christian Medical College Campus, Vellore, India
| | - Vijayanand S.
- Department of Biotechnology, Thiruvalluvar University, Vellore, India
| | - Dinesh Babu
- Centre for Stem Cell Research (A Unit of inStem, Bengaluru), Christian Medical College Campus, Vellore, India
| | - Yukio Nakamura
- Cell Engineering Division, RIKEN BioResource Research Center, Tsukuba, Japan
| | - Vasanth Thamodaran
- Centre for Stem Cell Research (A Unit of inStem, Bengaluru), Christian Medical College Campus, Vellore, India
- Tata Institute of Genetics and Society, Bengaluru, India
| | | | - Shaji R. Velayudhan
- Centre for Stem Cell Research (A Unit of inStem, Bengaluru), Christian Medical College Campus, Vellore, India
- Department of Haematology, Christian Medical College Campus, Vellore, India
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4
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Bravo-Vázquez LA, Méndez-García A, Chamu-García V, Rodríguez AL, Bandyopadhyay A, Paul S. The applications of CRISPR/Cas-mediated microRNA and lncRNA editing in plant biology: shaping the future of plant non-coding RNA research. PLANTA 2023; 259:32. [PMID: 38153530 DOI: 10.1007/s00425-023-04303-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 11/25/2023] [Indexed: 12/29/2023]
Abstract
MAIN CONCLUSION CRISPR/Cas technology has greatly facilitated plant non-coding RNA (ncRNA) biology research, establishing itself as a promising tool for ncRNA functional characterization and ncRNA-mediated plant improvement. Throughout the last decade, the promising genome editing tool clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated proteins (Cas; CRISPR/Cas) has allowed unprecedented advances in the field of plant functional genomics and crop improvement. Even though CRISPR/Cas-mediated genome editing system has been widely used to elucidate the biological significance of a number of plant protein-coding genes, this technology has been barely applied in the functional analysis of those non-coding RNAs (ncRNAs) that modulate gene expression, such as microRNAs (miRNAs) and long non-coding RNAs (lncRNAs). Nevertheless, compelling findings indicate that CRISPR/Cas-based ncRNA editing has remarkable potential for deciphering the biological roles of ncRNAs in plants, as well as for plant breeding. For instance, it has been demonstrated that CRISPR/Cas tool could overcome the challenges associated with other approaches employed in functional genomic studies (e.g., incomplete knockdown and off-target activity). Thus, in this review article, we discuss the current status and progress of CRISPR/Cas-mediated ncRNA editing in plant science in order to provide novel prospects for further assessment and validation of the biological activities of plant ncRNAs and to enhance the development of ncRNA-centered protocols for crop improvement.
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Affiliation(s)
- Luis Alberto Bravo-Vázquez
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Querétaro, Av. Epigmenio González, No. 500 Fracc. San Pablo, 76130, Querétaro, Mexico
| | - Andrea Méndez-García
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Querétaro, Av. Epigmenio González, No. 500 Fracc. San Pablo, 76130, Querétaro, Mexico
| | - Verenice Chamu-García
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Puebla, Atlixcáyotl 5718, Reserva Territorial Atlixcáyotl, 72453, Puebla, Mexico
| | - Alma L Rodríguez
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Querétaro, Av. Epigmenio González, No. 500 Fracc. San Pablo, 76130, Querétaro, Mexico
| | - Anindya Bandyopadhyay
- International Rice Research Institute, 4031, Manila, Philippines.
- Reliance Industries Ltd., Navi Mumbai, Maharashtra, 400701, India.
| | - Sujay Paul
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Querétaro, Av. Epigmenio González, No. 500 Fracc. San Pablo, 76130, Querétaro, Mexico.
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5
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Ma Y, Li S, Lin X, Chen Y. Bioinspired Spatiotemporal Management toward RNA Therapies. ACS NANO 2023; 17:24539-24563. [PMID: 38091941 DOI: 10.1021/acsnano.3c08219] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Ribonucleic acid (RNA)-based therapies have become an attractive topic in disease intervention, especially with some that have been approved by the FDA such as the mRNA COVID-19 vaccine (Comirnaty, Pfizer-BioNTech, and Spikevax, Moderna) and Patisiran (siRNA-based drug for liver delivery). However, extensive applications are still facing challenges in delivering highly negatively charged RNA to the targeted site. Therapeutic delivery strategies including RNA modifications, RNA conjugates, and RNA polyplexes and delivery platforms such as viral vectors, nanoparticle-based delivery platforms, and hydrogel-based delivery platforms as potential nucleic acid-releasing depots have been developed to enhance their cellular uptake and protect nucleic acid from being degraded by immune systems. Here, we review the growing number of viral vectors, nanoparticles, and hydrogel-based RNA delivery systems; describe RNA loading/release mechanism induced by environmental stimulations including light, heat, pH, or enzyme; discuss their physical or chemical interactions; and summarize the RNA therapeutics release period (temporal) and their target cells/organs (spatial). Finally, we describe current concerns, highlight current challenges and future perspectives of RNA-based delivery systems, and provide some possible research areas that provide opportunities for clinical translation of RNA delivery carriers.
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Affiliation(s)
- Yutian Ma
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Shiyao Li
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Xin Lin
- Department of Cell Biology, Duke University Medical Center, Durham, North Carolina 27705, United States
| | - Yupeng Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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6
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Hussen BM, Rasul MF, Abdullah SR, Hidayat HJ, Faraj GSH, Ali FA, Salihi A, Baniahmad A, Ghafouri-Fard S, Rahman M, Glassy MC, Branicki W, Taheri M. Targeting miRNA by CRISPR/Cas in cancer: advantages and challenges. Mil Med Res 2023; 10:32. [PMID: 37460924 PMCID: PMC10351202 DOI: 10.1186/s40779-023-00468-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 07/03/2023] [Indexed: 07/20/2023] Open
Abstract
Clustered regulatory interspaced short palindromic repeats (CRISPR) has changed biomedical research and provided entirely new models to analyze every aspect of biomedical sciences during the last decade. In the study of cancer, the CRISPR/CRISPR-associated protein (Cas) system opens new avenues into issues that were once unknown in our knowledge of the noncoding genome, tumor heterogeneity, and precision medicines. CRISPR/Cas-based gene-editing technology now allows for the precise and permanent targeting of mutations and provides an opportunity to target small non-coding RNAs such as microRNAs (miRNAs). However, the development of effective and safe cancer gene editing therapy is highly dependent on proper design to be innocuous to normal cells and prevent introducing other abnormalities. This study aims to highlight the cutting-edge approaches in cancer-gene editing therapy based on the CRISPR/Cas technology to target miRNAs in cancer therapy. Furthermore, we highlight the potential challenges in CRISPR/Cas-mediated miRNA gene editing and offer advanced strategies to overcome them.
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Affiliation(s)
- Bashdar Mahmud Hussen
- Department of Biomedical Sciences, Cihan University-Erbil, Erbil, Kurdistan Region 44001 Iraq
- Department of Clinical Analysis, College of Pharmacy, Hawler Medical University, Erbil, Kurdistan Region 44001 Iraq
| | - Mohammed Fatih Rasul
- Department of Pharmaceutical Basic Science, Faculty of Pharmacy, Tishk International University, Erbil, Kurdistan Region 44001 Iraq
| | - Snur Rasool Abdullah
- Medical Laboratory Science, Lebanese French University, Erbil, Kurdistan Region 44001 Iraq
| | - Hazha Jamal Hidayat
- Department of Biology, College of Education, Salahaddin University-Erbil, Erbil, Kurdistan Region 44001 Iraq
| | - Goran Sedeeq Hama Faraj
- Department of Medical Laboratory Science, Komar University of Science and Technology, Sulaymaniyah, 46001 Iraq
| | - Fattma Abodi Ali
- Department of Medical Microbiology, College of Health Sciences, Hawler Medical University, Erbil, Kurdistan Region 44001 Iraq
| | - Abbas Salihi
- Department of Biology, College of Science, Salahaddin University-Erbil, Erbil, Kurdistan Region 44001 Iraq
- Center of Research and Strategic Studies, Lebanese French University, Erbil, 44001 Iraq
| | - Aria Baniahmad
- Institute of Human Genetics, Jena University Hospital, 07747 Jena, Germany
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, 374-37515 Iran
| | - Milladur Rahman
- Department of Clinical Sciences, Malmö, Section for Surgery, Lund University, 22100 Malmö, Sweden
| | - Mark C. Glassy
- Translational Neuro-Oncology Laboratory, San Diego (UCSD) Moores Cancer Center, University of California, San Diego, CA 94720 USA
| | - Wojciech Branicki
- Faculty of Biology, Institute of Zoology and Biomedical Research, Jagiellonian University, 31-007 Kraków, Poland
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, 07747 Jena, Germany
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, 374-37515 Iran
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7
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Wang W, Zhang F, Guo K, Xu J, Zhao P, Xia Q. CRISPR/Cas9-mediated gene editing of the let-7 seed sequence improves silk yield in the silkworm, Bombyx mori. Int J Biol Macromol 2023:124793. [PMID: 37182624 DOI: 10.1016/j.ijbiomac.2023.124793] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/20/2023] [Accepted: 04/24/2023] [Indexed: 05/16/2023]
Abstract
Body size and silk protein synthesis ability are two crucial aspects of artificial selection in silkworm breeding; however, the role of genes in both pathways remains unknown. To determine whether let-7 microRNA could regulate larval development and silk gland growth simultaneously, we designed a guide RNA to edit let-7 using the CRISPR/Cas9 system. The indels predominantly appeared in the let-7 seed region, and the vast majority of the mutations were small-fragment deletions. Loss of let-7 function prolonged the fifth larval period, and substantially increased body weight during the wandering stage, but it resulted in developmental arrest during the pupal-moth transition. let-7 systemic knock down promoted silk gland growth and increased silk yield by >50 %, with efficiency significantly higher than in tissue-specific edited individuals. Hormone signaling and cell cycle pathway genes were activated in different patterns in the body and silk gland, implying that let-7 may regulate different target genes to play role in tissue growth. In summary, we first report that conditional knock down let-7 promoting the simultaneous growth of body and silk gland, greatly improve silk yield in the silkworm.
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Affiliation(s)
- Wei Wang
- Biological Science Research Center, Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, 400715 Chongqing, PR China; State Key Laboratory of Resource Insects, Southwest University, Chongqing 400715, PR China; Key Laboratory for Germplasm Creation in Upper Reaches of the Yangtze River, Ministry of Agriculture and Rural Affairs, 400715 Chongqing, PR China
| | - Fan Zhang
- State Key Laboratory of Resource Insects, Southwest University, Chongqing 400715, PR China
| | - Kaiyu Guo
- Biological Science Research Center, Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, 400715 Chongqing, PR China; State Key Laboratory of Resource Insects, Southwest University, Chongqing 400715, PR China; Key Laboratory for Germplasm Creation in Upper Reaches of the Yangtze River, Ministry of Agriculture and Rural Affairs, 400715 Chongqing, PR China
| | - Jiahui Xu
- Biological Science Research Center, Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, 400715 Chongqing, PR China
| | - Ping Zhao
- Biological Science Research Center, Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, 400715 Chongqing, PR China; State Key Laboratory of Resource Insects, Southwest University, Chongqing 400715, PR China; Key Laboratory for Germplasm Creation in Upper Reaches of the Yangtze River, Ministry of Agriculture and Rural Affairs, 400715 Chongqing, PR China
| | - Qingyou Xia
- Biological Science Research Center, Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, 400715 Chongqing, PR China; State Key Laboratory of Resource Insects, Southwest University, Chongqing 400715, PR China; Key Laboratory for Germplasm Creation in Upper Reaches of the Yangtze River, Ministry of Agriculture and Rural Affairs, 400715 Chongqing, PR China.
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8
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Priyadharsini JV, Arumugam P. Post-transcriptional gene silencing by nucleic acid gapmers: a promising therapeutic modality for cancer. Epigenomics 2023; 15:53-56. [PMID: 36802730 DOI: 10.2217/epi-2022-0086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
Affiliation(s)
- Jayaseelan Vijayashree Priyadharsini
- Clinical Genetics Lab, Centre for Cellular & Molecular Research, Saveetha Dental College & Hospital, Saveetha Institute of Medical & Technical Sciences [SIMATS], Saveetha University, Chennai, India
| | - Paramasivam Arumugam
- Molecular Biology Lab, Centre for Cellular & Molecular Research, Saveetha Dental College & Hospital, Saveetha Institute of Medical & Technical Sciences [SIMATS], Saveetha University, Chennai, India
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9
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Othman SMIS, Mustaffa AF, Che-Othman MH, Samad AFA, Goh HH, Zainal Z, Ismail I. Overview of Repressive miRNA Regulation by Short Tandem Target Mimic (STTM): Applications and Impact on Plant Biology. PLANTS (BASEL, SWITZERLAND) 2023; 12:669. [PMID: 36771753 PMCID: PMC9918958 DOI: 10.3390/plants12030669] [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: 12/19/2022] [Revised: 01/13/2023] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
The application of miRNA mimic technology for silencing mature miRNA began in 2007. This technique originated from the discovery of the INDUCED BY PHOSPHATE STARVATION 1 (IPS1) gene, which was found to be a competitive mimic that prevents the cleavage of the targeted mRNA by miRNA inhibition at the post-transcriptional level. To date, various studies have been conducted to understand the molecular mimic mechanism and to improve the efficiency of this technology. As a result, several mimic tools have been developed: target mimicry (TM), short tandem target mimic (STTM), and molecular sponges (SPs). STTM is the most-developed tool due to its stability and effectiveness in decoying miRNA. This review discusses the application of STTM technology on the loss-of-function studies of miRNA and members from diverse plant species. A modified STTM approach for studying the function of miRNA with spatial-temporal expression under the control of specific promoters is further explored. STTM technology will enhance our understanding of the miRNA activity in plant-tissue-specific development and stress responses for applications in improving plant traits via miRNA regulation.
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Affiliation(s)
- Syed Muhammad Iqbal Syed Othman
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Arif Faisal Mustaffa
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - M. Hafiz Che-Othman
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Abdul Fatah A. Samad
- Department of Biosciences, Faculty of Science, Universiti Teknologi Malaysia, Skudai, Johor Bahru 81310, Johor, Malaysia
| | - Hoe-Han Goh
- Institute of Systems Biology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Zamri Zainal
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
- Institute of Systems Biology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Ismanizan Ismail
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
- Institute of Systems Biology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
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10
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Kambis TN, Mishra PK. Genome Editing and Diabetic Cardiomyopathy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1396:103-114. [PMID: 36454462 PMCID: PMC10155862 DOI: 10.1007/978-981-19-5642-3_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Differential gene expression is associated with diabetic cardiomyopathy (DMCM) and culminates in adverse remodeling in the diabetic heart. Genome editing is a technology utilized to alter endogenous genes. Genome editing also provides an option to induce cardioprotective genes or inhibit genes linked to adverse cardiac remodeling and thus has promise in ameliorating DMCM. Non-coding genes have emerged as novel regulators of cellular signaling and may serve as potential therapeutic targets for DMCM. Specifically, there is a widespread change in the gene expression of fetal cardiac genes and microRNAs, termed genetic reprogramming, that promotes pathological remodeling and contributes to heart failure in diabetes. This genetic reprogramming of both coding and non-coding genes varies with the progression and severity of DMCM. Thus, genetic editing provides a promising option to investigate the role of specific genes/non-coding RNAs in DMCM initiation and progression as well as developing therapeutics to mitigate cardiac remodeling and ameliorate DMCM. This chapter will summarize the research progress in genome editing and DMCM and provide future directions for utilizing genome editing as an approach to prevent and/or treat DMCM.
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Affiliation(s)
- Tyler N Kambis
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Paras K Mishra
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE, USA.
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Kumar K, Mandal SN, Pradhan B, Kaur P, Kaur K, Neelam K. From Evolution to Revolution: Accelerating Crop Domestication through Genome Editing. PLANT & CELL PHYSIOLOGY 2022; 63:1607-1623. [PMID: 36018059 DOI: 10.1093/pcp/pcac124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 08/25/2022] [Indexed: 06/15/2023]
Abstract
Crop domestication has a tremendous impact on socioeconomic conditions and human civilization. Modern cultivars were domesticated from their wild progenitors thousands of years ago by the selection of natural variation by humans. New cultivars are being developed by crossing two or more compatible individuals. But the limited genetic diversity in the cultivars severely affects the yield and renders the crop susceptible to many biotic and abiotic stresses. Crop wild relatives (CWRs) are the rich reservoir for many valuable agronomic traits. The incorporation of useful genes from CWR is one of the sustainable approaches for enriching the gene pool of cultivated crops. However, CWRs are not suited for urban and intensive cultivation because of several undesirable traits. Researchers have begun to study the domestication traits in the CWRs and modify them using genome-editing tools to make them suitable for extensive cultivation. Growing evidence has shown that modification in these genes is not sufficient to bring the desired change in the neodomesticated crop. However, the other dynamic genetic factors such as microRNAs (miRNAs), transposable elements, cis-regulatory elements and epigenetic changes have reshaped the domesticated crops. The creation of allelic series for many valuable domestication traits through genome editing holds great potential for the accelerated development of neodomesticated crops. The present review describes the current understanding of the genetics of domestication traits that are responsible for the agricultural revolution. The targeted mutagenesis in these domestication genes via clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 could be used for the rapid domestication of CWRs.
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Affiliation(s)
- Kishor Kumar
- Faculty Centre for Integrated Rural Development and Management, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, Kolkata 700103, India
| | - Swarupa Nanda Mandal
- Department of Genetics and Plant Breeding, Bidhan Chandra Krishi Viswavidyalaya, Extended Campus, Burdwan, West Bengal 713101, India
- Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79415, USA
| | - Bhubaneswar Pradhan
- Faculty Centre for Integrated Rural Development and Management, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, Kolkata 700103, India
| | - Pavneet Kaur
- School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana, Punjab 141004, India
| | - Karminderbir Kaur
- School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana, Punjab 141004, India
| | - Kumari Neelam
- School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana, Punjab 141004, India
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Hardin LT, Xiao N. miRNAs: The Key Regulator of COVID-19 Disease. Int J Cell Biol 2022; 2022:1645366. [PMID: 36345541 PMCID: PMC9637033 DOI: 10.1155/2022/1645366] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 09/30/2022] [Indexed: 01/12/2024] Open
Abstract
As many parts of the world continue to fight the innumerable waves of COVID-19 infection, SARS-CoV-2 continues to sculpt its antigenic determinants to enhance its virulence and evolvability. Several vaccines were developed and used around the world, and oral antiviral medications are being developed against SARS-CoV-2. However, studies showed that the virus is mutating in line with the antibody's neutralization escape; thus, new therapeutic alternatives are solicited. We hereby review the key role that miRNAs can play as epigenetic mediators of the cross-talk between SARS-CoV-2 and the host cells. The limitations resulting from the "virus intelligence" to escape and antagonize the host miRNAs as well as the possible mechanisms that could be used in the viral evasion strategies are discussed. Lastly, we suggest new therapeutic approaches based on viral miRNAs.
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Affiliation(s)
- Leyla Tahrani Hardin
- Department of Biomedical Sciences at the Arthur A. Dugoni School of Dentistry, University of the Pacific, San Francisco, 94103 CA, USA
| | - Nan Xiao
- Department of Biomedical Sciences at the Arthur A. Dugoni School of Dentistry, University of the Pacific, San Francisco, 94103 CA, USA
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13
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Deng F, Zeng F, Shen Q, Abbas A, Cheng J, Jiang W, Chen G, Shah AN, Holford P, Tanveer M, Zhang D, Chen ZH. Molecular evolution and functional modification of plant miRNAs with CRISPR. TRENDS IN PLANT SCIENCE 2022; 27:890-907. [PMID: 35165036 DOI: 10.1016/j.tplants.2022.01.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 01/06/2022] [Accepted: 01/20/2022] [Indexed: 06/14/2023]
Abstract
Gene editing using clustered regularly interspaced short palindromic repeat/CRISPR-associated proteins (CRISPR/Cas) has revolutionized biotechnology and provides genetic tools for medicine and life sciences. However, the application of this technology to miRNAs, with the function as negative gene regulators, has not been extensively reviewed in plants. Here, we summarize the evolution, biogenesis, and structure of miRNAs, as well as their interactions with mRNAs and computational models for predicting target genes. In addition, we review current advances in CRISPR/Cas for functional analysis and for modulating miRNA genes in plants. Extending our knowledge of miRNAs and their manipulation with CRISPR will provide fundamental understanding of the functions of plant miRNAs and facilitate more sustainable and publicly acceptable genetic engineering of crops.
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Affiliation(s)
- Fenglin Deng
- Collaborative Innovation Center for Grain Industry, College of Agriculture, Yangtze University, Jingzhou, China
| | - Fanrong Zeng
- Collaborative Innovation Center for Grain Industry, College of Agriculture, Yangtze University, Jingzhou, China
| | - Qiufang Shen
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Asad Abbas
- School of Horticulture, Anhui Agricultural University, Hefei 230036, China
| | - Jianhui Cheng
- Collaborative Innovation Center for Grain Industry, College of Agriculture, Yangtze University, Jingzhou, China
| | - Wei Jiang
- Collaborative Innovation Center for Grain Industry, College of Agriculture, Yangtze University, Jingzhou, China
| | - Guang Chen
- Central Laboratory, Zhejiang Academy of Agricultural Science, Hangzhou, China
| | - Adnan Noor Shah
- Department of Agricultural Engineering, Khawaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, 64200, Pakistan
| | - Paul Holford
- School of Science, Western Sydney University, Penrith, NSW 2751, Australia
| | - Mohsin Tanveer
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS 7004, Australia.
| | - Dabing Zhang
- Joint International Research Laboratory of Metabolic and Developmental Sciences, Shanghai Jiao Tong University-University of Adelaide Joint Centre for Agriculture and Health, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China; School of Agriculture, Food, and Wine, University of Adelaide, Glen Osmond, SA, Australia.
| | - Zhong-Hua Chen
- School of Science, Western Sydney University, Penrith, NSW 2751, Australia; Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW 2751, Australia.
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Kumar K, Mandal SN, Neelam K, de los Reyes BG. MicroRNA-mediated host defense mechanisms against pathogens and herbivores in rice: balancing gains from genetic resistance with trade-offs to productivity potential. BMC PLANT BIOLOGY 2022; 22:351. [PMID: 35850632 PMCID: PMC9290239 DOI: 10.1186/s12870-022-03723-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 06/29/2022] [Indexed: 05/08/2023]
Abstract
BACKGROUND Rice (Oryza sativa L.) is the major source of daily caloric intake for more than 30% of the human population. However, the sustained productivity of this staple food crop is continuously threatened by various pathogens and herbivores. Breeding has been successful in utilizing various mechanisms of defense by gene pyramiding in elite cultivars, but the continuous resurgence of highly resistant races of pathogens and herbivores often overcomes the inherent capacity of host plant immunity. MicroRNAs (miRNAs) are endogenous, short, single-stranded, non-coding RNA molecules that regulate gene expression by sequence-specific cleavage of target mRNA or suppressing target mRNA translation. While miRNAs function as upstream regulators of plant growth, development, and host immunity, their direct effects on growth and development in the context of balancing defenses with agronomic potential have not been extensively discussed and explored as a more viable strategy in breeding for disease and pest resistant cultivars of rice with optimal agronomic potentials. RESULTS Using the available knowledge in rice and other model plants, this review examines the important roles of miRNAs in regulating host responses to various fungal, bacterial, and viral pathogens, and insect pests, in the context of gains and trade-offs to crop yield. Gains from R-gene-mediated resistance deployed in modern rice cultivars are often undermined by the rapid breakdown of resistance, negative pleiotropic effects, and linkage drags with undesirable traits. In stark contrast, several classes of miRNAs are known to efficiently balance the positive gains from host immunity without significant costs in terms of losses in agronomic potentials (i.e., yield penalty) in rice. Defense-related miRNAs such as Osa-miR156, Osa-miR159, Osa-miR162, Osa-miR396, Osa-530, Osa-miR1432, Osa-miR1871, and Osa-miR1873 are critical in fine-tuning and integrating immune responses with physiological processes that are necessary to the maintenance of grain yield. Recent research has shown that many defense-related miRNAs regulate complex and agronomically important traits. CONCLUSIONS Identification of novel immune-responsive miRNAs that orchestrate physiological processes critical to the full expression of agronomic potential will facilitate the stacking of optimal combinations of miRNA-encoding genes to develop high-yielding cultivars with durable resistance to disease and insect pests with minimal penalties to yield.
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Affiliation(s)
- Kishor Kumar
- Faculty Centre for Integrated Rural Development and Management, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, Kolkata, 700103 India
| | - Swarupa Nanda Mandal
- Department of Plant and Soil Science, Texas Tech University, Lubbock, TX-79415 USA
- Department of Genetics and Plant Breeding, Bidhan Chandra Krishi Viswavidyalaya, Extended Campus, Burdwan, West Bengal 713101 India
| | - Kumari Neelam
- School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana, Punjab 141004 India
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Riaz A, Kanwal F, Ahmad I, Ahmad S, Farooq A, Madsen CK, Brinch-Pedersen H, Bekalu ZE, Dai F, Zhang G, Alqudah AM. New Hope for Genome Editing in Cultivated Grasses: CRISPR Variants and Application. Front Genet 2022; 13:866121. [PMID: 35923689 PMCID: PMC9340155 DOI: 10.3389/fgene.2022.866121] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 06/23/2022] [Indexed: 12/24/2022] Open
Abstract
With the advent of Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) and CRISPR-associated protein (Cas) mediated genome editing, crop improvement has progressed significantly in recent years. In this genome editing tool, CRISPR-associated Cas nucleases are restricted to their target of DNA by their preferred protospacer adjacent motifs (PAMs). A number of CRISPR-Cas variants have been developed e.g. CRISPR-Cas9, -Cas12a and -Cas12b, with different PAM requirements. In this mini-review, we briefly explain the components of the CRISPR-based genome editing tool for crop improvement. Moreover, we intend to highlight the information on the latest development and breakthrough in CRISPR technology, with a focus on a comparison of major variants (CRISPR-Cas9, -Cas12a, and -Cas12b) to the newly developed CRISPR-SpRY that have nearly PAM-less genome editing ability. Additionally, we briefly explain the application of CRISPR technology in the improvement of cultivated grasses with regard to biotic and abiotic stress tolerance as well as improving the quality and yield.
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Affiliation(s)
- Asad Riaz
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Farah Kanwal
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Iqrar Ahmad
- Centre for Advanced Studies in Agriculture and Food Security, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Shakeel Ahmad
- Centre for Advanced Studies in Agriculture and Food Security, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Ayesha Farooq
- Centre for Advanced Studies in Agriculture and Food Security, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Claus Krogh Madsen
- Department of Agroecology, Research Center Flakkebjerg, Aarhus University, Slagelse, Denmark
| | - Henrik Brinch-Pedersen
- Department of Agroecology, Research Center Flakkebjerg, Aarhus University, Slagelse, Denmark
| | - Zelalem Eshetu Bekalu
- Department of Agroecology, Research Center Flakkebjerg, Aarhus University, Slagelse, Denmark
| | - Fei Dai
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Guoping Zhang
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
- *Correspondence: Guoping Zhang, ; Ahmad M. Alqudah, ,
| | - Ahmad M. Alqudah
- Department of Agroecology, Research Center Flakkebjerg, Aarhus University, Slagelse, Denmark
- *Correspondence: Guoping Zhang, ; Ahmad M. Alqudah, ,
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16
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Huang L, Luo J, Gao W, Song N, Tian H, Zhu L, Jiang Q, Loor JJ. CRISPR/Cas9-Induced Knockout of miR-24 Reduces Cholesterol and Monounsaturated Fatty Acid Content in Primary Goat Mammary Epithelial Cells. Foods 2022; 11:foods11142012. [PMID: 35885255 PMCID: PMC9316712 DOI: 10.3390/foods11142012] [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: 04/27/2022] [Revised: 06/30/2022] [Accepted: 07/04/2022] [Indexed: 12/02/2022] Open
Abstract
In nonruminants, microRNA (miRNA)-24 plays an important role in lipid metabolism in adipose tissue and the liver. Although the abundance of miR-24 in ruminant mammary glands is the highest during peak lactation, its potential role in regulating the synthesis and secretion of fat into milk is unclear. This study aimed to identify the function of miR-24 in these processes using CRISPR/Cas9 technology in primary goat mammary epithelial cells (GMEC). A single clone containing a 66-nucleotide deletion between two sgRNAs mediating double-strand break (DSB) sites was obtained. The abundance of miR-24-3p and miR-24-5p encoded by the deleted sequence was decreased, whereas the target genes INSIG1 and FASN increased. In addition, miR-24 knockout reduced the gene abundance of genes associated with fatty acid and TAG synthesis and transcription regulator. Similarly, the content of cholesterol and monounsaturated fatty acid (MUFA) C18:1 decreased, whereas that of polyunsaturated fatty acids (PUFA) C18:2, C20:3, C20:4 and C20:5 increased. Subsequently, knocking down of INSIG1 but not FASN reversed the effect of miR-24 knockout, indicating that miR-24 modulated cholesterol and fatty acid synthesis mainly by targeting INSIG1. Overall, the present in vitro data demonstrated a critical role for miR-24 in regulating lipid and fatty acid synthesis and highlighted the possibility of manipulating milk components in dairy goats.
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Affiliation(s)
- Lian Huang
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Xianyang 712100, China; (L.H.); (W.G.); (N.S.); (H.T.); (L.Z.)
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization Key Laboratory of Sichuan Province, Southwest Minzu University, Chengdu 610000, China
| | - Jun Luo
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Xianyang 712100, China; (L.H.); (W.G.); (N.S.); (H.T.); (L.Z.)
- Correspondence: (J.L.); (J.J.L.)
| | - Wenchang Gao
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Xianyang 712100, China; (L.H.); (W.G.); (N.S.); (H.T.); (L.Z.)
| | - Ning Song
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Xianyang 712100, China; (L.H.); (W.G.); (N.S.); (H.T.); (L.Z.)
| | - Huibin Tian
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Xianyang 712100, China; (L.H.); (W.G.); (N.S.); (H.T.); (L.Z.)
| | - Lu Zhu
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Xianyang 712100, China; (L.H.); (W.G.); (N.S.); (H.T.); (L.Z.)
| | - Qianming Jiang
- Mammalian NutriPhysioGenomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana, IL 61801, USA;
| | - Juan J. Loor
- Mammalian NutriPhysioGenomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana, IL 61801, USA;
- Correspondence: (J.L.); (J.J.L.)
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Abbas A, Shah AN, Tanveer M, Ahmed W, Shah AA, Fiaz S, Waqas MM, Ullah S. MiRNA fine tuning for crop improvement: using advance computational models and biotechnological tools. Mol Biol Rep 2022; 49:5437-5450. [PMID: 35182321 DOI: 10.1007/s11033-022-07231-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 02/04/2022] [Indexed: 12/17/2022]
Abstract
MiRNAs modulate target genes expression at post-transcriptional levels, by reducing spatial abundance of mRNAs. MiRNAs regulats plant metabolism, and emerged as regulators of plant stress responses. Which make miRNAs promising candidates for fine tuning to affectively alter crop stress tolerance and other important traits. With recent advancements in the computational biology and biotechnology miRNAs structure and target prediction is possible resulting in pin point editing; miRNA modulation can be done by up or down regulating miRNAs using recently available biotechnological tools (CRISPR Cas9, TALENS and RNAi). In this review we have focused on miRNA biogenesis, miRNA roles in plant development, plant stress responses and roles in signaling pathways. Additionally we have discussed latest computational prediction models for miRNA to target gene interaction and biotechnological systems used recently for miRNA modulation. We have also highlighted setbacks and limitations in the way of miRNA modulation; providing entirely a new direction for improvement in plant genomics primarily focusing miRNAs.
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Affiliation(s)
- Asad Abbas
- School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Adnan Noor Shah
- Department of Agricultural Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Punjab, Pakistan.
| | - Mohsin Tanveer
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, Australia
| | - Waseem Ahmed
- Department of Horticulture, The University of Haripur, Hatatr Road, Haripur, 22620, Pakistan
| | - Anis Ali Shah
- Department of Botany, Division of Science and Technology, University of Education, Lahore, Pakistan
| | - Sajid Fiaz
- Department of Plant Breeding and Genetics, The University of Haripur, Haripur, Pakistan
| | - Muhammad Mohsin Waqas
- Department of Agricultural Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Punjab, Pakistan
| | - Sami Ullah
- Department of Chemistry, College of Science, King Khalid University, Abha, 61413, Saudi Arabia
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18
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Zhou J, Zhang R, Jia X, Tang X, Guo Y, Yang H, Zheng X, Qian Q, Qi Y, Zhang Y. CRISPR-Cas9 mediated OsMIR168a knockout reveals its pleiotropy in rice. PLANT BIOTECHNOLOGY JOURNAL 2022; 20:310-322. [PMID: 34555252 PMCID: PMC8753357 DOI: 10.1111/pbi.13713] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/31/2021] [Accepted: 09/15/2021] [Indexed: 05/21/2023]
Abstract
MicroRNA168 (MIR168) is a key miRNA that targets the main RNA-induced silencing complex component Argonaute 1 (AGO1) to regulate plant growth and environmental stress responses. However, the regulatory functions of MIR168 need to be further elucidated in rice. In this paper, we generated clean OsMIR168a deletion mutants by CRISPR-Cas9 strategy. We then phenotypically and molecularly characterized these mutants. The rice OsMIR168a mutants grew rapidly at the seedling stage, produced more tillers and matured early. Compared to the wild-type plants, the mutants were shorter at maturity and produced smaller spikelets and seeds. Analysis of gene expression showed that the transcription levels of OsMIR168a's target genes such as OsAGO1a, OsAGO1b and OsAGO1d were elevated significantly in the OsMIR168a mutants. Intriguingly, OsAGO18, a member of a new AGO clade that is conserved in monocots, was confirmed to be a target of OsMIR168a not only by informatic prediction but also by expression analysis and a cell-based cleavage assay in the OsMIR168a mutants. Many protein-coding genes and miRNAs showed differential expression in the OsMIR168a mutants, suggesting OsMIR168a exerts a major transcriptional regulatory role, likely through its potential target genes such as OsAGO1s and OsAGO18. KEGG enrichment analysis of these differentially expressed genes pointed to OsMIR168a's involvement in important processes such as plant hormone signalling transduction and plant-pathogen interaction. These data collectively support that the complex regulation module of OsMIR168a-OsAGO1/OsAGO18-miRNAs-target genes contributes to agronomically important traits, which sheds light on miRNA-mediated crop breeding.
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Affiliation(s)
- Jianping Zhou
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Rui Zhang
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Xinyu Jia
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Xu Tang
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
- State Key Laboratory of Rice BiologyChina National Rice Research InstituteHangzhouChina
| | - Yachong Guo
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Han Yang
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Xuelian Zheng
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Qian Qian
- State Key Laboratory of Rice BiologyChina National Rice Research InstituteHangzhouChina
| | - Yiping Qi
- Department of Plant Science and Landscape ArchitectureUniversity of MarylandCollege ParkMDUSA
- Institute for Bioscience and Biotechnology ResearchUniversity of MarylandRockvilleMDUSA
| | - Yong Zhang
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
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19
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Luo L, Yang X, Guo M, Lan T, Yu Y, Mo B, Chen X, Gao L, Liu L. TRANS-ACTING SIRNA3-derived short interfering RNAs confer cleavage of mRNAs in rice. PLANT PHYSIOLOGY 2022; 188:347-362. [PMID: 34599593 PMCID: PMC8774828 DOI: 10.1093/plphys/kiab452] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 08/29/2021] [Indexed: 05/11/2023]
Abstract
Plant TRANS-ACTING SIRNA3 (TAS3)-derived short interfering RNAs (siRNAs) include tasiR-AUXIN RESPONSE FACTORs (ARFs), which are functionally conserved in targeting ARF genes, and a set of non-tasiR-ARF siRNAs, which have rarely been studied. In this study, TAS3 siRNAs were systematically characterized in rice (Oryza sativa). Small RNA sequencing results showed that an overwhelming majority of TAS3 siRNAs belong to the non-tasiR-ARF group, while tasiR-ARFs occupy a diminutive fraction. Phylogenetic analysis of TAS3 genes across dicot and monocot plants revealed that the siRNA-generating regions were highly conserved in grass species, especially in the Oryzoideae. Target genes were identified for not only tasiR-ARFs but also non-tasiR-ARF siRNAs by analyzing rice Parallel Analysis of RNA Ends datasets, and some of these siRNA-target interactions were experimentally confirmed using tas3 mutants generated by genome editing. Consistent with the de-repression of target genes, phenotypic alterations were observed for mutants in three TAS3 loci in comparison to wild-type rice. The regulatory role of ribosomes in the TAS3 siRNA-target interactions was further revealed by the fact that TAS3 siRNA-mediated target cleavage, in particular tasiR-ARFs targeting ARF2/3/14/15, occurred extensively in rice polysome samples. Altogether, our study sheds light into TAS3 genes in plants and expands our knowledge about rice TAS3 siRNA-target interactions.
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Affiliation(s)
- Linlin Luo
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Guangdong Province, Shenzhen 518060, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Guangdong Province, Shenzhen 518060, China
| | - Xiaoyu Yang
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Guangdong Province, Shenzhen 518060, China
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Mingxi Guo
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Guangdong Province, Shenzhen 518060, China
| | - Ting Lan
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Guangdong Province, Shenzhen 518060, China
| | - Yu Yu
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Guangdong Province, Shenzhen 518060, China
| | - Beixin Mo
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Guangdong Province, Shenzhen 518060, China
| | - Xuemei Chen
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Guangdong Province, Shenzhen 518060, China
- Department of Botany and Plant Sciences, Institute of Integrative Genome Biology, University of California, Riverside, California 92521, USA
| | - Lei Gao
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Guangdong Province, Shenzhen 518060, China
| | - Lin Liu
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Guangdong Province, Shenzhen 518060, China
- Author for communication:
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20
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Vigh ML, Bressendorff S, Thieffry A, Arribas-Hernández L, Brodersen P. Nuclear and cytoplasmic RNA exosomes and PELOTA1 prevent miRNA-induced secondary siRNA production in Arabidopsis. Nucleic Acids Res 2022; 50:1396-1415. [PMID: 35037064 PMCID: PMC8860578 DOI: 10.1093/nar/gkab1289] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 12/13/2021] [Accepted: 01/03/2022] [Indexed: 11/14/2022] Open
Abstract
Amplification of short interfering RNA (siRNAs) via RNA-dependent RNA polymerases (RdRPs) is of fundamental importance in RNA silencing. Plant microRNA (miRNA) action generally does not involve engagement of RdRPs, in part thanks to a poorly understood activity of the cytoplasmic exosome adaptor SKI2. Here, we show that inactivation of the exosome subunit RRP45B and SKI2 results in similar patterns of miRNA-induced siRNA production. Furthermore, loss of the nuclear exosome adaptor HEN2 leads to secondary siRNA production from miRNA targets largely distinct from those producing siRNAs in ski2. Importantly, mutation of the Release Factor paralogue PELOTA1 required for subunit dissociation of stalled ribosomes causes siRNA production from miRNA targets overlapping with, but distinct from, those affected in ski2 and rrp45b mutants. We also show that in exosome mutants, miRNA targets can be sorted into producers and non-producers of illicit secondary siRNAs based on trigger miRNA levels and miRNA:target affinity rather than on presence of 5′-cleavage fragments. We propose that stalled RNA-Induced Silencing Complex (RISC) and ribosomes, but not mRNA cleavage fragments released from RISC, trigger siRNA production, and that the exosome limits siRNA amplification by reducing RISC dwell time on miRNA target mRNAs while PELOTA1 does so by reducing ribosome stalling.
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Affiliation(s)
- Maria L Vigh
- University of Copenhagen, Copenhagen Plant Science Center, Ole Maaløes Vej 5, 2200 Copenhagen N, Denmark
| | - Simon Bressendorff
- University of Copenhagen, Copenhagen Plant Science Center, Ole Maaløes Vej 5, 2200 Copenhagen N, Denmark
| | - Axel Thieffry
- University of Copenhagen, Copenhagen Plant Science Center, Ole Maaløes Vej 5, 2200 Copenhagen N, Denmark
| | - Laura Arribas-Hernández
- University of Copenhagen, Copenhagen Plant Science Center, Ole Maaløes Vej 5, 2200 Copenhagen N, Denmark
| | - Peter Brodersen
- University of Copenhagen, Copenhagen Plant Science Center, Ole Maaløes Vej 5, 2200 Copenhagen N, Denmark
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21
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Hong Y, Meng J, He X, Zhang Y, Liu Y, Zhang C, Qi H, Luan Y. Editing miR482b and miR482c Simultaneously by CRISPR/Cas9 Enhanced Tomato Resistance to Phytophthora infestans. PHYTOPATHOLOGY 2021; 111:1008-1016. [PMID: 33258411 DOI: 10.1094/phyto-08-20-0360-r] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Late blight, caused by Phytophthora infestans, is severely damaging to the global tomato industry. Micro-RNAs (miRNAs) have been widely demonstrated to play vital roles in plant resistance by repressing their target genes. Recently, the clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9) method has been continuously improved and extensively applied to edit plant genomes. However, editing multiplex miRNAs by CRISPR/Cas9 in tomato has not been studied yet. We knocked out miR482b and miR482c simultaneously in tomato through the multiplex CRISPR/Cas9 system. Two transgenic plants with silenced miR482b and miR482c simultaneously and one transgenic line with silenced miR482b alone were obtained. Compared with wild-type plants, the disease symptoms of three transgenic plants upon infection were reduced, accompanied by increased expression of their common target nucleotide binding site-leucine-rich repeat genes and decreased levels of reactive oxygen species. Furthermore, silencing miR482b and miR482c simultaneously was more resistant than silencing miR482b alone in tomato. More importantly, we found that knocking out miR482b and miR482c can elicit expression perturbation of other miRNAs, suggesting cross-regulation between miRNAs. Our study demonstrated that editing miR482b and miR482c simultaneously with CRISPR/Cas9 is an efficient strategy for generating pathogen-resistant tomatoes, and cross-regulation between miRNAs may reveal the novel mechanism in tomato-P. infestans interactions.
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Affiliation(s)
- Yuhui Hong
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Jun Meng
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Xiaoli He
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Yuanyuan Zhang
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Yarong Liu
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Chengwei Zhang
- Beijing Key Laboratory of Maize DNA Fingerprinting and Molecular Breeding, Beijing Academy of Agriculture & Forestry Sciences, Beijing 100000, China
| | - Hongyan Qi
- College of Horticulture, Shenyang Agricultural University/Key Laboratory of Protected Horticulture, Ministry of Education/Northern National & Local Joint Engineering Research Center of Horticultural Facilities Design and Application Technology (Liaoning), Shenyang 110866, China
| | - Yushi Luan
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
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22
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Zhou J, Yuan M, Zhao Y, Quan Q, Yu D, Yang H, Tang X, Xin X, Cai G, Qian Q, Qi Y, Zhang Y. Efficient deletion of multiple circle RNA loci by CRISPR-Cas9 reveals Os06circ02797 as a putative sponge for OsMIR408 in rice. PLANT BIOTECHNOLOGY JOURNAL 2021; 19:1240-1252. [PMID: 33440058 PMCID: PMC8196656 DOI: 10.1111/pbi.13544] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/29/2020] [Accepted: 12/22/2020] [Indexed: 05/05/2023]
Abstract
CRISPR-Cas9 is an emerging genome editing tool for reverse genetics in plants. However, its application for functional study of non-coding RNAs in plants is still at its infancy. Despite being a major class of non-coding RNAs, the biological roles of circle RNAs (circRNAs) remain largely unknown in plants. Previous plant circRNA studies have focused on identification and annotation of putative circRNAs, with their functions largely uninvestigated by genetic approaches. Here, we applied a multiplexed CRISPR-Cas9 strategy to efficiently acquire individual null mutants for four circRNAs in rice. We showed each of these rice circRNA loci (Os02circ25329, Os06circ02797, Os03circ00204 and Os05circ02465) can be deleted at 10% or higher efficiency in both protoplasts and stable transgenic T0 lines. Such high efficiency deletion enabled the generation of circRNA null allele plants without the CRISPR-Cas9 transgene in the T1 generation. Characterization of the mutants reveals these circRNAs' participation in salt stress response during seed germination and in particular the Os05circ02465 null mutant showed high salt tolerance. Notably, the seedlings of the Os06circ02797 mutant showed rapid growth phenotype after seed germination with the seedlings containing higher chlorophyll A/B content. Further molecular and computational analyses suggested a circRNA-miRNA-mRNA regulatory network where Os06circ02797 functions to bind and sequester OsMIR408, an important and conserved microRNA in plants. This study not only presents genetic evidence for the first time in plants that certain circRNAs may serve as sponges to negatively regulate miRNAs, a phenomenon previously demonstrated in mammalian cells, but also provides important insights for improving agronomic traits through gene editing of circRNA loci in crops.
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Affiliation(s)
- Jianping Zhou
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Mingzhu Yuan
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Yuxin Zhao
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Quan Quan
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Dong Yu
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
- Sichuan Grass Industry Technology Research and Promotion CenterChengduChina
| | - Han Yang
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Xu Tang
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Xuhui Xin
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Guangze Cai
- School of Agricultural scienceXichang UniversityXichangChina
| | - Qian Qian
- State Key Laboratory of Rice BiologyChina National Rice Research InstituteHangzhouChina
| | - Yiping Qi
- Department of Plant Science and Landscape ArchitectureUniversity of MarylandCollege ParkMDUSA
- Institute for Bioscience and Biotechnology ResearchUniversity of MarylandRockvilleMDUSA
| | - Yong Zhang
- Department of BiotechnologySchool of Life Sciences and TechnologyCenter for Informational BiologyUniversity of Electronic Science and Technology of ChinaChengduChina
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23
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Pagano L, Rossi R, Paesano L, Marmiroli N, Marmiroli M. miRNA regulation and stress adaptation in plants. ENVIRONMENTAL AND EXPERIMENTAL BOTANY 2021. [PMID: 0 DOI: 10.1016/j.envexpbot.2020.104369] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
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24
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Zhang D, Zhang Z, Unver T, Zhang B. CRISPR/Cas: A powerful tool for gene function study and crop improvement. J Adv Res 2021; 29:207-221. [PMID: 33842017 PMCID: PMC8020163 DOI: 10.1016/j.jare.2020.10.003] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/29/2020] [Accepted: 10/15/2020] [Indexed: 12/26/2022] Open
Abstract
Background It is a long-standing goal of scientists and breeders to precisely control a gene for studying its function as well as improving crop yield, quality, and tolerance to various environmental stresses. The discovery and modification of CRISPR/Cas system, a nature-occurred gene editing tool, opens an era for studying gene function and precision crop breeding. Aim of Review In this review, we first introduce the brief history of CRISPR/Cas discovery followed the mechanism and application of CRISPR/Cas system on gene function study and crop improvement. Currently, CRISPR/Cas genome editing has been becoming a mature cutting-edge biotechnological tool for crop improvement that already used in many different traits in crops, including pathogen resistance, abiotic tolerance, plant development and morphology and even secondary metabolism and fiber development. Finally, we point out the major issues associating with CRISPR/Cas system and the future research directions.Key Scientific Concepts of Review: CRISPR/Cas9 system is a robust and powerful biotechnological tool for targeting an individual DNA and RNA sequence in the genome. It can be used to target a sequence for gene knockin, knockout and replacement as well as monitoring and regulating gene expression at the genome and epigenome levels by binding a specific sequence. Agrobacterium-mediated method is still the major and efficient method for delivering CRISPR/Cas regents into targeted plant cells. However, other delivery methods, such as virus-mediated method, have been developed and enhanced the application potentials of CRISPR/Cas9-based crop improvement. PAM requirement offers the CRISPR/Cas9-targted genetic loci and also limits the application of CRISPR/Cas9. Discovering new Cas proteins and modifying current Cas enzymes play an important role in CRISPR/Cas9-based genome editing. Developing a better CRISPR/Cas9 system, including the delivery system and the methods eliminating off-target effects, and finding key/master genes for controlling crop growth and development is two major directions for CRISPR/Cas9-based crop improvement.
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Affiliation(s)
- Dangquan Zhang
- Henan Province Engineering Research Center for Forest Biomass Value-Added Products, College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China
| | - Zhiyong Zhang
- Henan Collaborative Innovation Center of Modern Biological Breeding and Henan Key Laboratory for Molecular Ecology and Germplasm Innovation of Cotton and Wheat, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China
| | - Turgay Unver
- Ficus Biotechnology, Ostim Teknopark, No: 1/1/76, 06378, Yenimahalle, Ankara, Turkey
| | - Baohong Zhang
- Department of Biology, East Carolina University, Greenville, NC 27858, USA
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25
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Chen J, Teotia S, Lan T, Tang G. MicroRNA Techniques: Valuable Tools for Agronomic Trait Analyses and Breeding in Rice. FRONTIERS IN PLANT SCIENCE 2021; 12:744357. [PMID: 34616418 PMCID: PMC8489592 DOI: 10.3389/fpls.2021.744357] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 08/16/2021] [Indexed: 05/04/2023]
Abstract
MicroRNAs (miRNAs) are a class of small noncoding RNAs that regulate gene expression at the post-transcriptional level. Extensive studies have revealed that miRNAs have critical functions in plant growth, development, and stress responses and may provide valuable genetic resources for plant breeding research. We herein reviewed the development, mechanisms, and characteristics of miRNA techniques while highlighting widely used approaches, namely, the short tandem target mimic (STTM) approach. We described STTM-based advances in plant science, especially in the model crop rice, and introduced the CRISPR-based transgene-free crop breeding. Finally, we discussed the challenges and unique opportunities related to combining STTM and CRISPR technology for crop improvement and agriculture.
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Affiliation(s)
- Jiwei Chen
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, China
| | - Sachin Teotia
- Department of Biotechnology, Sharda University, Greater Noida, India
| | - Ting Lan
- Guangdong Provincial Key Laboratory for Plant Epigenetics, Longhua Bioindustry and Innovation Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, China
- *Correspondence: Ting Lan,
| | - Guiliang Tang
- Department of Biological Sciences, Life Science and Technology Institute, Michigan Technological University, Houghton, MI, United States
- Guiliang Tang,
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26
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Chung PJ, Chung H, Oh N, Choi J, Bang SW, Jung SE, Jung H, Shim JS, Kim JK. Efficiency of Recombinant CRISPR/rCas9-Mediated miRNA Gene Editing in Rice. Int J Mol Sci 2020; 21:ijms21249606. [PMID: 33339449 PMCID: PMC7766165 DOI: 10.3390/ijms21249606] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 12/30/2022] Open
Abstract
Drought is one of the major environmental stresses adversely affecting crop productivity worldwide. Precise characterization of genes involved in drought response is necessary to develop new crop varieties with enhanced drought tolerance. Previously, we identified 66 drought-induced miRNAs in rice plants. For the further functional investigation of the miRNAs, we applied recombinant codon-optimized Cas9 (rCas9) for rice with single-guide RNAs specifically targeting mature miRNA sequences or sites required for the biogenesis of mature miRNA. A total of 458 T0 transgenic plants were analyzed to determine the frequency and type of mutations induced by CRISPR/rCas9 on 13 independent target miRNAs. The average mutation frequency for 13 genes targeted by single guide RNAs (sgRNAs) in T0 generation was 59.4%, including mono-allelic (8.54%), bi-allelic (11.1%), and hetero-allelic combination (39.7%) mutations. The mutation frequency showed a positive correlation with Tm temperature of sgRNAs. For base insertion, one base insertion (99%) was predominantly detected in transgenic plants. Similarly, one base deletion accounted for the highest percentage, but there was also a significant percentage of cases in which more than one base was deleted. The deletion of more than two bases in OsmiR171f and OsmiR818b significantly reduced the level of corresponding mature miRNAs. Further functional analysis using CRISPR/Cas9-mediated mutagenesis confirmed that OsmiR818b is involved in drought response in rice plants. Overall, this study suggests that the CRISPR/rCas9 system is a powerful tool for loss-of-function analysis of miRNA in rice.
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Affiliation(s)
- Pil Joong Chung
- Graduate School of International Agricultural Technology and Crop Biotechnology Institute/GreenBio Science & Technology, Seoul National University, Pyeongchang 25354, Korea; (P.J.C.); (H.C.); (N.O.); (J.C.); (S.W.B.); (S.E.J.); (H.J.)
- Temasek Life Science Laboratory, National University of Singapore, Singapore 117604, Singapore
| | - Hoyong Chung
- Graduate School of International Agricultural Technology and Crop Biotechnology Institute/GreenBio Science & Technology, Seoul National University, Pyeongchang 25354, Korea; (P.J.C.); (H.C.); (N.O.); (J.C.); (S.W.B.); (S.E.J.); (H.J.)
- 3BIGS, Suwon 16506, Korea
| | - Nuri Oh
- Graduate School of International Agricultural Technology and Crop Biotechnology Institute/GreenBio Science & Technology, Seoul National University, Pyeongchang 25354, Korea; (P.J.C.); (H.C.); (N.O.); (J.C.); (S.W.B.); (S.E.J.); (H.J.)
- College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
| | - Joohee Choi
- Graduate School of International Agricultural Technology and Crop Biotechnology Institute/GreenBio Science & Technology, Seoul National University, Pyeongchang 25354, Korea; (P.J.C.); (H.C.); (N.O.); (J.C.); (S.W.B.); (S.E.J.); (H.J.)
- Novel food Division, National Institute of Food and Drug Safety Evaluation, Cheongju 28159, Korea
| | - Seung Woon Bang
- Graduate School of International Agricultural Technology and Crop Biotechnology Institute/GreenBio Science & Technology, Seoul National University, Pyeongchang 25354, Korea; (P.J.C.); (H.C.); (N.O.); (J.C.); (S.W.B.); (S.E.J.); (H.J.)
| | - Se Eun Jung
- Graduate School of International Agricultural Technology and Crop Biotechnology Institute/GreenBio Science & Technology, Seoul National University, Pyeongchang 25354, Korea; (P.J.C.); (H.C.); (N.O.); (J.C.); (S.W.B.); (S.E.J.); (H.J.)
| | - Harin Jung
- Graduate School of International Agricultural Technology and Crop Biotechnology Institute/GreenBio Science & Technology, Seoul National University, Pyeongchang 25354, Korea; (P.J.C.); (H.C.); (N.O.); (J.C.); (S.W.B.); (S.E.J.); (H.J.)
- NUS Synthetic Biology for Clinical and Technological Innovation, Department of Biochemistry, Yong Loo Lin, School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Jae Sung Shim
- School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Korea
- Correspondence: (J.S.S.); (J.-K.K.); Tel.: +82-62-530-0507 (J.S.S.); +82-33-339-5826 (J.-K.K.)
| | - Ju-Kon Kim
- Graduate School of International Agricultural Technology and Crop Biotechnology Institute/GreenBio Science & Technology, Seoul National University, Pyeongchang 25354, Korea; (P.J.C.); (H.C.); (N.O.); (J.C.); (S.W.B.); (S.E.J.); (H.J.)
- Correspondence: (J.S.S.); (J.-K.K.); Tel.: +82-62-530-0507 (J.S.S.); +82-33-339-5826 (J.-K.K.)
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Xue J, Lu Z, Liu W, Wang S, Lu D, Wang X, He X. The genetic arms race between plant and Xanthomonas: lessons learned from TALE biology. SCIENCE CHINA-LIFE SCIENCES 2020; 64:51-65. [PMID: 32661897 DOI: 10.1007/s11427-020-1699-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 03/29/2020] [Indexed: 10/23/2022]
Abstract
The pathogenic bacterial genus Xanthomonas infects a wide variety of host plants and causes devastating diseases in many crops. Transcription activator-like effectors (TALEs) are important virulence factors secreted by Xanthomonas with the ability to directly bind to the promoters of target genes in plant hosts and activate their expression, which often facilitates the proliferation of pathogens. Understanding how plants cope with TALEs will provide mechanistic insights into crop breeding for Xanthomonas defense. Over the past 30 years, numerous studies have revealed the modes of action of TALEs in plant cells and plant defense strategies to overcome TALE attack. Based on these findings, new technologies were adopted for disease management to optimize crop production. In this article, we will review the most recent advances in the evolutionary arms race between plant resistance and TALEs from Xanthomonas, with a specific focus on TALE applications in the development of novel breeding strategies for durable and broad-spectrum resistance.
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Affiliation(s)
- Jiao Xue
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of New Technology in Rice Breeding, Guangzhou, 510640, China
| | - Zhanhua Lu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of New Technology in Rice Breeding, Guangzhou, 510640, China
| | - Wei Liu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of New Technology in Rice Breeding, Guangzhou, 510640, China
| | - Shiguang Wang
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of New Technology in Rice Breeding, Guangzhou, 510640, China
| | - Dongbai Lu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of New Technology in Rice Breeding, Guangzhou, 510640, China
| | - Xiaofei Wang
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of New Technology in Rice Breeding, Guangzhou, 510640, China
| | - Xiuying He
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of New Technology in Rice Breeding, Guangzhou, 510640, China.
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28
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Technologies to Address Plant microRNA Functions. CONCEPTS AND STRATEGIES IN PLANT SCIENCES 2020. [DOI: 10.1007/978-3-030-35772-6_2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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