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Bélanger JG, Copley TR, Hoyos-Villegas V, Charron JB, O'Donoughue L. A comprehensive review of in planta stable transformation strategies. PLANT METHODS 2024; 20:79. [PMID: 38822403 PMCID: PMC11140912 DOI: 10.1186/s13007-024-01200-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 05/01/2024] [Indexed: 06/03/2024]
Abstract
Plant transformation remains a major bottleneck to the improvement of plant science, both on fundamental and practical levels. The recalcitrant nature of most commercial and minor crops to genetic transformation slows scientific progress for a large range of crops that are essential for food security on a global scale. Over the years, novel stable transformation strategies loosely grouped under the term "in planta" have been proposed and validated in a large number of model (e.g. Arabidopsis and rice), major (e.g. wheat and soybean) and minor (e.g. chickpea and lablab bean) species. The in planta approach is revolutionary as it is considered genotype-independent, technically simple (i.e. devoid of or with minimal tissue culture steps), affordable, and easy to implement in a broad range of experimental settings. In this article, we reviewed and categorized over 300 research articles, patents, theses, and videos demonstrating the applicability of different in planta transformation strategies in 105 different genera across 139 plant species. To support this review process, we propose a classification system for the in planta techniques based on five categories and a new nomenclature for more than 30 different in planta techniques. In complement to this, we clarified some grey areas regarding the in planta conceptual framework and provided insights regarding the past, current, and future scientific impacts of these techniques. To support the diffusion of this concept across the community, this review article will serve as an introductory point for an online compendium about in planta transformation strategies that will be available to all scientists. By expanding our knowledge about in planta transformation, we can find innovative approaches to unlock the full potential of plants, support the growth of scientific knowledge, and stimulate an equitable development of plant research in all countries and institutions.
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Affiliation(s)
- Jérôme Gélinas Bélanger
- Centre de recherche sur les grains (CÉROM) Inc., 740 Chemin Trudeau, St-Mathieu-de-Beloeil, Québec, J3G 0E2, Canada.
- Department of Plant Science, McGill University, 21111 Lakeshore Road, St-Mathieu-de-Beloeil, Montréal, Québec, H9X 3V9, Canada.
| | - Tanya Rose Copley
- Centre de recherche sur les grains (CÉROM) Inc., 740 Chemin Trudeau, St-Mathieu-de-Beloeil, Québec, J3G 0E2, Canada
| | - Valerio Hoyos-Villegas
- Department of Plant Science, McGill University, 21111 Lakeshore Road, St-Mathieu-de-Beloeil, Montréal, Québec, H9X 3V9, Canada
| | - Jean-Benoit Charron
- Department of Plant Science, McGill University, 21111 Lakeshore Road, St-Mathieu-de-Beloeil, Montréal, Québec, H9X 3V9, Canada
| | - Louise O'Donoughue
- Centre de recherche sur les grains (CÉROM) Inc., 740 Chemin Trudeau, St-Mathieu-de-Beloeil, Québec, J3G 0E2, Canada.
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Xue JY, Fan HY, Zeng Z, Zhou YH, Hu SY, Li SX, Cheng YJ, Meng XR, Chen F, Shao ZQ, Van de Peer Y. Comprehensive regulatory networks for tomato organ development based on the genome and RNAome of MicroTom tomato. HORTICULTURE RESEARCH 2023; 10:uhad147. [PMID: 37691964 PMCID: PMC10483172 DOI: 10.1093/hr/uhad147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 07/15/2023] [Indexed: 09/12/2023]
Abstract
MicroTom has a short growth cycle and high transformation efficiency, and is a prospective model plant for studying organ development, metabolism, and plant-microbe interactions. Here, with a newly assembled reference genome for this tomato cultivar and abundant RNA-seq data derived from tissues of different organs/developmental stages/treatments, we constructed multiple gene co-expression networks, which will provide valuable clues for the identification of important genes involved in diverse regulatory pathways during plant growth, e.g. arbuscular mycorrhizal symbiosis and fruit development. Additionally, non-coding RNAs, including miRNAs, lncRNAs, and circRNAs were also identified, together with their potential targets. Interacting networks between different types of non-coding RNAs (miRNA-lncRNA), and non-coding RNAs and genes (miRNA-mRNA and lncRNA-mRNA) were constructed as well. Our results and data will provide valuable information for the study of organ differentiation and development of this important fruit. Lastly, we established a database (http://eplant.njau.edu.cn/microTomBase/) with genomic and transcriptomic data, as well as details of gene co-expression and interacting networks on MicroTom, and this database should be of great value to those who want to adopt MicroTom as a model plant for research.
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Affiliation(s)
- Jia-Yu Xue
- College of Horticulture, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Hai-Yun Fan
- College of Horticulture, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhen Zeng
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Yu-Han Zhou
- College of Horticulture, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Shuai-Ya Hu
- College of Horticulture, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Sai-Xi Li
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Ying-Juan Cheng
- College of Horticulture, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiang-Ru Meng
- College of Horticulture, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Fei Chen
- College of Tropical Crops, Sanya Nanfan Research Institute, Hainan University, Haikou 570228, China
- Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China
| | - Zhu-Qing Shao
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Yves Van de Peer
- College of Horticulture, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
- Department of Plant Biotechnology and Bioinformatics, VIB-UGent Center for Plant Systems Biology, Ghent University, B-9052 Ghent, Belgium
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria 0028, South Africa
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Bravo-Vázquez LA, Angulo-Bejarano PI, Bandyopadhyay A, Sharma A, Paul S. Regulatory roles of noncoding RNAs in callus induction and plant cell dedifferentiation. PLANT CELL REPORTS 2023; 42:689-705. [PMID: 36753041 DOI: 10.1007/s00299-023-02992-0] [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: 11/11/2022] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Plant regulatory noncoding RNAs (ncRNAs) have emerged as key modulators of gene expression during callus induction. Their further study may promote the design of innovative plant tissue culture protocols. The use of plants by humans has recently taken on a new and expanding insight due to the advent of genetic engineering technologies. In this context, callus cultures have shown remarkable potential for synthesizing valuable biomolecules, crop improvement, plant micropropagation, and biodiversity preservation. A crucial stage in callus production is the conversion of somatic cells into totipotent cells; compelling evidence indicates that stress factors, transcriptional regulators, and plant hormones can trigger this biological event. Besides, posttranscriptional regulators of gene expression might be essential participants in callus induction. However, research related to the analysis of noncoding RNAs (ncRNAs) that modulate callogenesis and plant cell dedifferentiation in vitro is still at an early stage. During the last decade, some relevant studies have enlightened the fact that different classes of ncRNAs, such as microRNAs (miRNAs), small interfering RNAs (siRNAs), and long noncoding RNAs (lncRNAs) are implicated in plant cell dedifferentiation through regulating the expression levels of diverse gene targets. Hence, understanding the molecular relevance of these ncRNAs in the aforesaid biological processes might represent a promising source of new biotechnological approaches for callus culture and plant improvement. In this current work, we review the experimental evidence regarding the prospective roles of ncRNAs in callus induction and plant cell dedifferentiation to promote this field of study.
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Affiliation(s)
- Luis Alberto Bravo-Vázquez
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, Av. Epigmenio Gonzalez, No. 500 Fracc. San Pablo, 76130, Queretaro, Mexico
| | - Paola Isabel Angulo-Bejarano
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, Av. Epigmenio Gonzalez, No. 500 Fracc. San Pablo, 76130, Queretaro, Mexico
| | - Anindya Bandyopadhyay
- International Rice Research Institute, 4031, Manila, Philippines
- Reliance Industries Ltd., Navi Mumbai, 400701, India
| | - Ashutosh Sharma
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, Av. Epigmenio Gonzalez, No. 500 Fracc. San Pablo, 76130, Queretaro, Mexico.
| | - Sujay Paul
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, Av. Epigmenio Gonzalez, No. 500 Fracc. San Pablo, 76130, Queretaro, Mexico.
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Guan Y, Wei Z, Song P, Zhou L, Hu H, Hu P, Li C. MicroRNA Expression Profiles in Response to Phytophthora infestans and Oidium neolycopersici and Functional Identification of sly-miR397 in Tomato. PHYTOPATHOLOGY 2023; 113:497-507. [PMID: 36346372 DOI: 10.1094/phyto-04-22-0117-r] [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: 06/16/2023]
Abstract
Late blight and powdery mildew are two widespread tomato diseases caused by Phytophthora infestans and Oidium neolycopersici, respectively, which reduce the quantity and quality of tomato. MicroRNAs (miRNAs) play critical roles in tomato resistance to various pathogens. Investigating the function of miRNAs is of great significance in controlling tomato diseases. To identify potential miRNAs involved in the interaction of tomato with P. infestans or O. neolycopersici, we analyzed the expression profiles of small RNAs in tomato leaves infected with these two pathogens using RNA-seq technology. A total of 330 and 288 miRNAs exhibited differences in expression levels after exposure to P. infestans and O. neolycopersici, respectively. One hundred and forty-six commonly differentially expressed (DE) miRNAs responsive to P. infestans and O. neolycopersici infestation were detected, including 10 commonly known conserved DE miRNAs and 136 novel miRNAs. Among these known DE miRNAs, sly-miR397 was strongly downregulated in response to P. infestans or O. neolycopersici infection. Silencing of sly-miR397 resulted in enhanced tolerance to the pathogens, whereas overexpression of sly-miR397 showed increased susceptibility. Furthermore, changes in sly-miR397 expression could also affect expression levels of pathogenesis-related genes and reactive oxygen species-scavenging genes, leading to altered necrotic cells and H2O2 levels. In addition, the number of lateral branches significantly changed in transgenic plants. Taken together, our results provide potential miRNA resources for further research of miRNA-disease associations and indicates that sly-miR397 acts as a negative regulator of disease resistance and influences lateral branch development in tomato.
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Affiliation(s)
- Yuanyuan Guan
- College of Life Science and Technology, Henan Engineering Research Center of Crop Genome Editing, Henan Institute of Science and Technology, Xinxiang 453000, China
| | - Zhiyuan Wei
- College of Life Science and Technology, Henan Engineering Research Center of Crop Genome Editing, Henan Institute of Science and Technology, Xinxiang 453000, China
| | - Puwen Song
- College of Life Science and Technology, Henan Engineering Research Center of Crop Genome Editing, Henan Institute of Science and Technology, Xinxiang 453000, China
| | - Luyi Zhou
- College of Life Science and Technology, Henan Engineering Research Center of Crop Genome Editing, Henan Institute of Science and Technology, Xinxiang 453000, China
| | - Haiyan Hu
- College of Life Science and Technology, Henan Engineering Research Center of Crop Genome Editing, Henan Institute of Science and Technology, Xinxiang 453000, China
| | - Ping Hu
- College of Life Science and Technology, Henan Engineering Research Center of Crop Genome Editing, Henan Institute of Science and Technology, Xinxiang 453000, China
| | - Chengwei Li
- College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
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Cordeiro D, Canhoto J, Correia S. Regulatory non-coding RNAs: Emerging roles during plant cell reprogramming and in vitro regeneration. FRONTIERS IN PLANT SCIENCE 2022; 13:1049631. [PMID: 36438127 PMCID: PMC9684189 DOI: 10.3389/fpls.2022.1049631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
Plant regeneration is a well-known capacity of plants occurring either in vivo or in vitro. This potential is the basis for plant micropropagation and genetic transformation as well as a useful system to analyse different aspects of plant development. Recent studies have proven that RNA species with no protein-coding capacity are key regulators of cellular function and essential for cell reprogramming. In this review, the current knowledge on the role of several ncRNAs in plant regeneration processes is summarized, with a focus on cell fate reprogramming. Moreover, the involvement/impact of microRNAs (miRNAs), long non-coding RNAs (lncRNAs) and small-interfering RNAs (siRNAs) in the regulatory networks of cell dedifferentiation, proliferation and differentiation is also analysed. A deeper understanding of plant ncRNAs in somatic cell reprogramming will allow a better modulation of in vitro regeneration processes such as organogenesis and somatic embryogenesis.
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