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Nowak K, Wójcikowska B, Gajecka M, Elżbieciak A, Morończyk J, Wójcik AM, Żemła P, Citerne S, Kiwior-Wesołowska A, Zbieszczyk J, Gaj MD. The improvement of the in vitro plant regeneration in barley with the epigenetic modifier of histone acetylation, trichostatin A. J Appl Genet 2024; 65:13-30. [PMID: 37962803 PMCID: PMC10789698 DOI: 10.1007/s13353-023-00800-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 10/16/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023]
Abstract
Genotype-limited plant regeneration is one of the main obstacles to the broader use of genetic transformation in barley breeding. Thus, developing new approaches that might improve responses of in vitro recalcitrant genotypes remains at the center of barley biotechnology. Here, we analyzed different barley genotypes, including "Golden Promise," a genotype commonly used in the genetic transformation, and four malting barley cultivars of poor regenerative potential. The expression of hormone-related transcription factor (TF) genes with documented roles in plant regeneration was analyzed in genotypes with various plant-regenerating capacities. The results indicated differential expression of auxin-related TF genes between the barley genotypes in both the explants and the derived cultures. In support of the role of auxin in barley regeneration, distinct differences in the accumulation of free and oxidized auxin were observed in explants and explant-derived callus cultures of barley genotypes. Following the assumption that modifying gene expression might improve plant regeneration in barley, we treated the barley explants with trichostatin A (TSA), which affects histone acetylation. The effects of TSA were genotype-dependent as TSA treatment improved plant regeneration in two barley cultivars. TSA-induced changes in plant regeneration were associated with the increased expression of auxin biosynthesis-involved TFs. The study demonstrated that explant treatment with chromatin modifiers such as TSA might provide a new and effective epigenetic approach to improving plant regeneration in recalcitrant barley genotypes.
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Affiliation(s)
- Katarzyna Nowak
- Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia, 40-007, Katowice, Poland.
| | - Barbara Wójcikowska
- Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia, 40-007, Katowice, Poland
| | - Monika Gajecka
- Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia, 40-007, Katowice, Poland
| | - Anna Elżbieciak
- Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia, 40-007, Katowice, Poland
| | - Joanna Morończyk
- Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia, 40-007, Katowice, Poland
| | - Anna M Wójcik
- Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia, 40-007, Katowice, Poland
| | - Przemysław Żemła
- Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia, 40-007, Katowice, Poland
- Toxicology Research Group, Łukasiewicz Research Network, Institute of Industrial Organic Chemistry Branch Pszczyna, Doświadczalna 27, 43-200, Pszczyna, Poland
| | - Sylvie Citerne
- Institut Jean-Pierre Bourgin (IJPB), INRAE, AgroParisTech, Université Paris-Saclay, 78000, Versailles, France
| | - Agnieszka Kiwior-Wesołowska
- Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia, 40-007, Katowice, Poland
| | - Justyna Zbieszczyk
- Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia, 40-007, Katowice, Poland
| | - Małgorzata D Gaj
- Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia, 40-007, Katowice, Poland
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2
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Prado GS, Rocha DC, dos Santos LN, Contiliani DF, Nobile PM, Martinati-Schenk JC, Padilha L, Maluf MP, Lubini G, Pereira TC, Monteiro-Vitorello CB, Creste S, Boscariol-Camargo RL, Takita MA, Cristofani-Yaly M, de Souza AA. CRISPR technology towards genome editing of the perennial and semi-perennial crops citrus, coffee and sugarcane. FRONTIERS IN PLANT SCIENCE 2024; 14:1331258. [PMID: 38259920 PMCID: PMC10801916 DOI: 10.3389/fpls.2023.1331258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 12/14/2023] [Indexed: 01/24/2024]
Abstract
Gene editing technologies have opened up the possibility of manipulating the genome of any organism in a predicted way. CRISPR technology is the most used genome editing tool and, in agriculture, it has allowed the expansion of possibilities in plant biotechnology, such as gene knockout or knock-in, transcriptional regulation, epigenetic modification, base editing, RNA editing, prime editing, and nucleic acid probing or detection. This technology mostly depends on in vitro tissue culture and genetic transformation/transfection protocols, which sometimes become the major challenges for its application in different crops. Agrobacterium-mediated transformation, biolistics, plasmid or RNP (ribonucleoprotein) transfection of protoplasts are some of the commonly used CRISPR delivery methods, but they depend on the genotype and target gene for efficient editing. The choice of the CRISPR system (Cas9, Cas12), CRISPR mechanism (plasmid or RNP) and transfection technique (Agrobacterium spp., PEG solution, lipofection) directly impacts the transformation efficiency and/or editing rate. Besides, CRISPR/Cas technology has made countries rethink regulatory frameworks concerning genetically modified organisms and flexibilize regulatory obstacles for edited plants. Here we present an overview of the state-of-the-art of CRISPR technology applied to three important crops worldwide (citrus, coffee and sugarcane), considering the biological, methodological, and regulatory aspects of its application. In addition, we provide perspectives on recently developed CRISPR tools and promising applications for each of these crops, thus highlighting the usefulness of gene editing to develop novel cultivars.
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Affiliation(s)
- Guilherme Souza Prado
- Citrus Research Center “Sylvio Moreira” – Agronomic Institute (IAC), Cordeirópolis, Brazil
| | - Dhiôvanna Corrêia Rocha
- Citrus Research Center “Sylvio Moreira” – Agronomic Institute (IAC), Cordeirópolis, Brazil
- Institute of Biology, State University of Campinas (Unicamp), Campinas, Brazil
| | - Lucas Nascimento dos Santos
- Citrus Research Center “Sylvio Moreira” – Agronomic Institute (IAC), Cordeirópolis, Brazil
- Institute of Biology, State University of Campinas (Unicamp), Campinas, Brazil
| | - Danyel Fernandes Contiliani
- Sugarcane Research Center – Agronomic Institute (IAC), Ribeirão Preto, Brazil
- Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Paula Macedo Nobile
- Sugarcane Research Center – Agronomic Institute (IAC), Ribeirão Preto, Brazil
| | | | - Lilian Padilha
- Coffee Center of the Agronomic Institute of Campinas (IAC), Campinas, Brazil
- Embrapa Coffee, Brazilian Agricultural Research Corporation, Brasília, Federal District, Brazil
| | - Mirian Perez Maluf
- Coffee Center of the Agronomic Institute of Campinas (IAC), Campinas, Brazil
- Embrapa Coffee, Brazilian Agricultural Research Corporation, Brasília, Federal District, Brazil
| | - Greice Lubini
- Sugarcane Research Center – Agronomic Institute (IAC), Ribeirão Preto, Brazil
- Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Tiago Campos Pereira
- Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
- Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, Brazil
| | | | - Silvana Creste
- Sugarcane Research Center – Agronomic Institute (IAC), Ribeirão Preto, Brazil
- Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
| | | | - Marco Aurélio Takita
- Citrus Research Center “Sylvio Moreira” – Agronomic Institute (IAC), Cordeirópolis, Brazil
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3
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Joshi A, Yang SY, Song HG, Min J, Lee JH. Genetic Databases and Gene Editing Tools for Enhancing Crop Resistance against Abiotic Stress. BIOLOGY 2023; 12:1400. [PMID: 37997999 PMCID: PMC10669554 DOI: 10.3390/biology12111400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 11/01/2023] [Accepted: 11/01/2023] [Indexed: 11/25/2023]
Abstract
Abiotic stresses extensively reduce agricultural crop production globally. Traditional breeding technology has been the fundamental approach used to cope with abiotic stresses. The development of gene editing technology for modifying genes responsible for the stresses and the related genetic networks has established the foundation for sustainable agriculture against environmental stress. Integrated approaches based on functional genomics and transcriptomics are now expanding the opportunities to elucidate the molecular mechanisms underlying abiotic stress responses. This review summarizes some of the features and weblinks of plant genome databases related to abiotic stress genes utilized for improving crops. The gene-editing tool based on clustered, regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9) has revolutionized stress tolerance research due to its simplicity, versatility, adaptability, flexibility, and broader applications. However, off-target and low cleavage efficiency hinder the successful application of CRISPR/Cas systems. Computational tools have been developed for designing highly competent gRNA with better cleavage efficiency. This powerful genome editing tool offers tremendous crop improvement opportunities, overcoming conventional breeding techniques' shortcomings. Furthermore, we also discuss the mechanistic insights of the CRISPR/Cas9-based genome editing technology. This review focused on the current advances in understanding plant species' abiotic stress response mechanism and applying the CRISPR/Cas system genome editing technology to develop crop resilience against drought, salinity, temperature, heavy metals, and herbicides.
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Affiliation(s)
- Alpana Joshi
- Department of Bioenvironmental Chemistry, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju 54896, Republic of Korea;
- Department of Agriculture Technology & Agri-Informatics, Shobhit Institute of Engineering & Technology, Meerut 250110, India
| | - Seo-Yeon Yang
- Department of Agricultural Chemistry, Jeonbuk National University, Jeonju 54896, Republic of Korea; (S.-Y.Y.); (H.-G.S.)
| | - Hyung-Geun Song
- Department of Agricultural Chemistry, Jeonbuk National University, Jeonju 54896, Republic of Korea; (S.-Y.Y.); (H.-G.S.)
| | - Jiho Min
- School of Chemical Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea;
| | - Ji-Hoon Lee
- Department of Bioenvironmental Chemistry, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju 54896, Republic of Korea;
- Department of Agricultural Chemistry, Jeonbuk National University, Jeonju 54896, Republic of Korea; (S.-Y.Y.); (H.-G.S.)
- Institute of Agricultural Science & Technology, Jeonbuk National University, Jeonju 54896, Republic of Korea
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4
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Mamrutha HM, Zeenat W, Kapil D, Budhagatapalli N, Tikaniya D, Rakesh K, Krishnappa G, Singh G, Singh GP. Evidence and opportunities for developing non-transgenic genome edited crops using site-directed nuclease 1 approach. Crit Rev Biotechnol 2023:1-11. [PMID: 37915126 DOI: 10.1080/07388551.2023.2270581] [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: 02/04/2022] [Accepted: 09/18/2023] [Indexed: 11/03/2023]
Abstract
The innovations and progress in genome editing/new breeding technologies have revolutionized research in the field of functional genomics and crop improvement. This revolution has expanded the horizons of agricultural research, presenting fresh possibilities for creating novel plant varieties equipped with desired traits that can effectively combat the challenges posed by climate change. However, the regulation and social acceptance of genome-edited crops still remain as major barriers. Only a few countries considered the site-directed nuclease 1 (SDN1) approach-based genome-edited plants under less or no regulation. Hence, the present review aims to comprise information on the research work conducted using SDN1 in crops by various genome editing tools. It also elucidates the promising candidate genes that can be used for editing and has listed the studies on non-transgenic crops developed through SDN1 either by Agrobacterium-mediated transformation or by ribo nucleoprotein (RNP) complex. The review also hoards the existing regulatory landscape of genome editing and provides an overview of globally commercialized genome-edited crops. These compilations will enable confidence in researchers and policymakers, across the globe, to recognize the full potential of this technology and reconsider the regulatory aspects associated with genome-edited crops. Furthermore, this compilation serves as a valuable resource for researchers embarking on the development of customized non-transgenic crops through the utilization of SDN1.
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Affiliation(s)
- H M Mamrutha
- ICAR - Indian Institute of Wheat and Barley Research, Karnal, India
| | - Wadhwa Zeenat
- ICAR - Indian Institute of Wheat and Barley Research, Karnal, India
| | - Deswal Kapil
- ICAR - Indian Institute of Wheat and Barley Research, Karnal, India
- Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Nagaveni Budhagatapalli
- Institute of Plant Biochemistry, Center for Plant Genome Engineering, Heinrich-Heine-University, Düsseldorf, Germany
| | - Divya Tikaniya
- ICAR - Indian Institute of Wheat and Barley Research, Karnal, India
- Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Kumar Rakesh
- Plant and Microbial Biology, University of California, Berkeley, CA, USA
| | | | - Gyanendra Singh
- ICAR - Indian Institute of Wheat and Barley Research, Karnal, India
| | - G P Singh
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
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5
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Hou X, Guo X, Zhang Y, Zhang Q. CRISPR/Cas genome editing system and its application in potato. Front Genet 2023; 14:1017388. [PMID: 36861125 PMCID: PMC9968925 DOI: 10.3389/fgene.2023.1017388] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 01/23/2023] [Indexed: 02/17/2023] Open
Abstract
Potato is the largest non-cereal food crop worldwide and a vital substitute for cereal crops, considering its high yield and great nutritive value. It plays an important role in food security. The CRISPR/Cas (clustered regularly interspaced short palindromic repeats/CRISPR-associated) system has the advantages of easy operation, high efficiency, and low cost, which shows a potential in potato breeding. In this paper, the action mechanism and derivative types of the CRISPR/Cas system and the application of the CRISPR/Cas system in improving the quality and resistance of potatoes, as well as overcoming the self-incompatibility of potatoes, are reviewed in detail. At the same time, the application of the CRISPR/Cas system in the future development of the potato industry was analyzed and prospected.
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Affiliation(s)
- Xin Hou
- College of Plant Protection, Shandong Agricultural University, Tai’an, China
| | - Xiaomeng Guo
- College of Plant Protection, Shandong Agricultural University, Tai’an, China
| | - Yan Zhang
- *Correspondence: Yan Zhang, ; Qiang Zhang,
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6
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Wang Y, Tang Q, Pu L, Zhang H, Li X. CRISPR-Cas technology opens a new era for the creation of novel maize germplasms. FRONTIERS IN PLANT SCIENCE 2022; 13:1049803. [PMID: 36589095 PMCID: PMC9800880 DOI: 10.3389/fpls.2022.1049803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
Maize (Zea mays) is one of the most important food crops in the world with the greatest global production, and contributes to satiating the demands for human food, animal feed, and biofuels. With population growth and deteriorating environment, efficient and innovative breeding strategies to develop maize varieties with high yield and stress resistance are urgently needed to augment global food security and sustainable agriculture. CRISPR-Cas-mediated genome-editing technology (clustered regularly interspaced short palindromic repeats (CRISPR)-Cas (CRISPR-associated)) has emerged as an effective and powerful tool for plant science and crop improvement, and is likely to accelerate crop breeding in ways dissimilar to crossbreeding and transgenic technologies. In this review, we summarize the current applications and prospects of CRISPR-Cas technology in maize gene-function studies and the generation of new germplasm for increased yield, specialty corns, plant architecture, stress response, haploid induction, and male sterility. Optimization of gene editing and genetic transformation systems for maize is also briefly reviewed. Lastly, the challenges and new opportunities that arise with the use of the CRISPR-Cas technology for maize genetic improvement are discussed.
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Affiliation(s)
- Youhua Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qiaoling Tang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Li Pu
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Haiwen Zhang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xinhai Li
- Institute of Crop Sciences/National Key Facility for Crop Gene Resources and Genetic Improvement, Chinese Academy of Agricultural Sciences, Beijing, China
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7
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Maharajan T, Krishna TPA, Rakkammal K, Ceasar SA, Ramesh M. Application of CRISPR/Cas system in cereal improvement for biotic and abiotic stress tolerance. PLANTA 2022; 256:106. [PMID: 36326904 DOI: 10.1007/s00425-022-04023-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Application of the recently developed CRISPR/Cas tools might help enhance cereals' growth and yield under biotic and abiotic stresses. Cereals are the most important food crops for human life and an essential source of nutrients for people in developed and developing countries. The growth and yield of all major cereals are affected by both biotic and abiotic stresses. To date, molecular breeding and functional genomic studies have contributed to the understanding and improving cereals' growth and yield under biotic and abiotic stresses. Clustered, regularly inter-spaced, short palindromic repeats (CRISPR)/CRISPR-associated protein (Cas) system has been predicted to play a major role in precision plant breeding and developing non-transgenic cereals that can tolerate adverse effects of climate change. Variants of next-generation CRISPR/Cas tools, such as prime editor, base editor, CRISPR activator and repressor, chromatin imager, Cas12a, and Cas12b, are currently used in various fields, including plant science. However, few studies have been reported on applying the CRISPR/Cas system to understand the mechanism of biotic and abiotic stress tolerance in cereals. Rice is the only plant used frequently for such studies. Genes responsible for biotic and abiotic stress tolerance have not yet been studied by CRISPR/Cas system in other major cereals (sorghum, barley, maize and small millets). Examining the role of genes that respond to biotic and abiotic stresses using the CRISPR/Cas system may help enhance cereals' growth and yield under biotic and abiotic stresses. It will help to develop new and improved cultivars with biotic- and abiotic-tolerant traits for better yields to strengthen food security. This review provides information for cereal researchers on the current status of the CRISPR/Cas system for improving biotic and abiotic stress tolerance in cereals.
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Affiliation(s)
- Theivanayagam Maharajan
- Division of Plant Molecular Biology and Biotechnology, Department of Biosciences, Rajagiri College of Social Sciences, Cochin, Kerala, 683104, India
| | - T P Ajeesh Krishna
- Division of Plant Molecular Biology and Biotechnology, Department of Biosciences, Rajagiri College of Social Sciences, Cochin, Kerala, 683104, India
| | - Kasinathan Rakkammal
- Department of Biotechnology, Science Campus, Alagappa University, Karaikudi, Tamil Nadu, 630003, India
| | - Stanislaus Antony Ceasar
- Division of Plant Molecular Biology and Biotechnology, Department of Biosciences, Rajagiri College of Social Sciences, Cochin, Kerala, 683104, India.
| | - Manikandan Ramesh
- Department of Biotechnology, Science Campus, Alagappa University, Karaikudi, Tamil Nadu, 630003, India
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8
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Wang Y, Tang Q, Kang Y, Wang X, Zhang H, Li X. Analysis of the Utilization and Prospects of CRISPR-Cas Technology in the Annotation of Gene Function and Creation New Germplasm in Maize Based on Patent Data. Cells 2022; 11:cells11213471. [PMID: 36359866 PMCID: PMC9657720 DOI: 10.3390/cells11213471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/30/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
Maize (Zea mays L.) is a food crop with the largest planting area and the highest yield in the world, and it plays a vital role in ensuring global food security. Conventional breeding methods are costly, time-consuming, and ineffective in maize breeding. In recent years, CRISPR-Cas editing technology has been used to quickly generate new varieties with high yield and improved grain quality and stress resistance by precisely modifying key genes involved in specific traits, thus becoming a new engine for promoting crop breeding and the competitiveness of seed industries. Using CRISPR-Cas, a range of new maize materials with high yield, improved grain quality, ideal plant type and flowering period, male sterility, and stress resistance have been created. Moreover, many patents have been filed worldwide, reflecting the huge practical application prospects and commercial value. Based on the existing patent data, we analyzed the development process, current status, and prospects of CRISPR-Cas technology in dissecting gene function and creating new germplasm in maize, providing information for future basic research and commercial production.
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Affiliation(s)
- Youhua Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Qiaoling Tang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yuli Kang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xujing Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Haiwen Zhang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Correspondence: (H.Z.); (X.L.)
| | - Xinhai Li
- Institute of Crop Sciences, National Key Facility for Crop Gene Resources and Genetic Improvement, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Correspondence: (H.Z.); (X.L.)
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Trevaskis B, Harris FAJ, Bovill WD, Rattey AR, Khoo KHP, Boden SA, Hyles J. Advancing understanding of oat phenology for crop adaptation. FRONTIERS IN PLANT SCIENCE 2022; 13:955623. [PMID: 36311119 PMCID: PMC9614419 DOI: 10.3389/fpls.2022.955623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
Oat (Avena sativa) is an annual cereal grown for forage, fodder and grain. Seasonal flowering behaviour, or phenology, is a key contributor to the success of oat as a crop. As a species, oat is a vernalization-responsive long-day plant that flowers after winter as days lengthen in spring. Variation in both vernalization and daylength requirements broadens adaptation of oat and has been used to breed modern cultivars with seasonal flowering behaviours suited to different regions, sowing dates and farming practices. This review examines the importance of variation in oat phenology for crop adaptation. Strategies to advance understanding of the genetic basis of oat phenology are then outlined. These include the potential to transfer knowledge from related temperate cereals, particularly wheat (Triticum aestivum) and barley (Hordeum vulgare), to provide insights into the potential molecular basis of variation in oat phenology. Approaches that use emerging genomic resources to directly investigate the molecular basis of oat phenology are also described, including application of high-resolution genome-wide diversity surveys to map genes linked to variation in flowering behaviour. The need to resolve the contribution of individual phenology genes to crop performance by developing oat genetic resources, such as near-isogenic lines, is emphasised. Finally, ways that deeper knowledge of oat phenology can be applied to breed improved varieties and to inform on-farm decision-making are outlined.
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Affiliation(s)
- Ben Trevaskis
- Commonwealth Scientific and Industrial Research Organisation, Agriculture and Food Business Unit, Black Mountain Science and Innovation Park, Canberra, ACT, Australia
| | - Felicity A. J. Harris
- Department of Primary Industries, Pine Gully Road, Wagga Wagga Agricultural Institute, Wagga Wagga, NSW, Australia
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, Australia
| | - William D. Bovill
- Commonwealth Scientific and Industrial Research Organisation, Agriculture and Food Business Unit, Black Mountain Science and Innovation Park, Canberra, ACT, Australia
| | | | - Kelvin H. P. Khoo
- School of Agriculture, Food & Wine, Faculty of Sciences, Waite Research Institute, University of Adelaide, Urrbrae, Adelaide, SA, Australia
| | - Scott A. Boden
- School of Agriculture, Food & Wine, Faculty of Sciences, Waite Research Institute, University of Adelaide, Urrbrae, Adelaide, SA, Australia
| | - Jessica Hyles
- Commonwealth Scientific and Industrial Research Organisation, Agriculture and Food Business Unit, Black Mountain Science and Innovation Park, Canberra, ACT, Australia
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10
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Wijerathna-Yapa A, Ramtekey V, Ranawaka B, Basnet BR. Applications of In Vitro Tissue Culture Technologies in Breeding and Genetic Improvement of Wheat. PLANTS (BASEL, SWITZERLAND) 2022; 11:2273. [PMID: 36079653 PMCID: PMC9459818 DOI: 10.3390/plants11172273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/13/2022] [Accepted: 08/29/2022] [Indexed: 12/20/2022]
Abstract
Sources of new genetic variability have been limited to existing germplasm in the past. Wheat has been studied extensively for various agronomic traits located throughout the genome. The large size of the chromosomes and the ability of its polyploid genome to tolerate the addition or loss of chromosomes facilitated rapid progress in the early study of wheat genetics using cytogenetic techniques. At the same time, its large genome size has limited the progress in genetic characterization studies focused on diploid species, with a small genome and genetic engineering procedures already developed. Today, the genetic transformation and gene editing procedures offer attractive alternatives to conventional techniques for breeding wheat because they allow one or more of the genes to be introduced or altered into an elite cultivar without affecting its genetic background. Recently, significant advances have been made in regenerating various plant tissues, providing the essential basis for regenerating transgenic plants. In addition, Agrobacterium-mediated, biolistic, and in planta particle bombardment (iPB) gene delivery procedures have been developed for wheat transformation and advanced transgenic wheat development. As a result, several useful genes are now available that have been transferred or would be helpful to be transferred to wheat in addition to the current traditional effort to improve trait values, such as resistance to abiotic and biotic factors, grain quality, and plant architecture. Furthermore, the in planta genome editing method will significantly contribute to the social implementation of genome-edited crops to innovate the breeding pipeline and leverage unique climate adaptations.
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Affiliation(s)
- Akila Wijerathna-Yapa
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, St Lucia, QLD 4072, Australia
- School of Biological Sciences, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Vinita Ramtekey
- ICAR-Indian Institute of Seed Science, Kushmaur, Mau, Uttar Pradesh 275103, India
| | - Buddhini Ranawaka
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, St Lucia, QLD 4072, Australia
- Centre for Agriculture and the Bioeconomy, Institute for Future Environments, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
| | - Bhoja Raj Basnet
- Global Wheat Program, International Maize and Wheat Improvement Center (CIMMYT), El Batán 56237, Mexico
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Mohr T, Horstman J, Gu YQ, Elarabi NI, Abdallah NA, Thilmony R. CRISPR-Cas9 Gene Editing of the Sal1 Gene Family in Wheat. PLANTS 2022; 11:plants11172259. [PMID: 36079639 PMCID: PMC9460255 DOI: 10.3390/plants11172259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 08/24/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022]
Abstract
The highly conserved Sal1 encodes a bifunctional enzyme with inositol polyphosphate-1-phosphatase and 3′ (2′), 5′-bisphosphate nucleotidase activity and has been shown to alter abiotic stress tolerance in plants when disrupted. Precise gene editing techniques were used to generate Sal1 mutants in hexaploid bread wheat. The CRISPR (Clustered Regulatory Interspaced Short Palindromic Repeats) Cas9 system with three guide RNAs (gRNAs) was used to inactivate six Sal1 homologous genes within the Bobwhite wheat genome. The resulting mutant wheat plants with all their Sal1 genes disabled had slimmer stems, had a modest reduction in biomass and senesced more slowly in water limiting conditions, but did not exhibit improved yield under drought conditions. Our results show that multiplexed gRNAs enabled effective targeted gene editing of the Sal1 gene family in hexaploid wheat. These Sal1 mutant wheat plants will be a resource for further research studying the function of this gene family in wheat.
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Affiliation(s)
- Toni Mohr
- USDA-ARS, Crop Improvement and Genetics Unit, Albany, CA 94710, USA
| | - James Horstman
- USDA-ARS, Crop Improvement and Genetics Unit, Albany, CA 94710, USA
| | - Yong Q. Gu
- USDA-ARS, Crop Improvement and Genetics Unit, Albany, CA 94710, USA
| | - Nagwa I. Elarabi
- Department of Genetics, Faculty of Agriculture, Cairo University, Giza 12613, Egypt
| | - Naglaa A. Abdallah
- Department of Genetics, Faculty of Agriculture, Cairo University, Giza 12613, Egypt
| | - Roger Thilmony
- USDA-ARS, Crop Improvement and Genetics Unit, Albany, CA 94710, USA
- Correspondence: ; Tel.: +1-(510)-559-5761
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Thomson MJ, Biswas S, Tsakirpaloglou N, Septiningsih EM. Functional Allele Validation by Gene Editing to Leverage the Wealth of Genetic Resources for Crop Improvement. Int J Mol Sci 2022; 23:ijms23126565. [PMID: 35743007 PMCID: PMC9223900 DOI: 10.3390/ijms23126565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/09/2022] [Accepted: 06/10/2022] [Indexed: 02/05/2023] Open
Abstract
Advances in molecular technologies over the past few decades, such as high-throughput DNA marker genotyping, have provided more powerful plant breeding approaches, including marker-assisted selection and genomic selection. At the same time, massive investments in plant genetics and genomics, led by whole genome sequencing, have led to greater knowledge of genes and genetic pathways across plant genomes. However, there remains a gap between approaches focused on forward genetics, which start with a phenotype to map a mutant locus or QTL with the goal of cloning the causal gene, and approaches using reverse genetics, which start with large-scale sequence data and work back to the gene function. The recent establishment of efficient CRISPR-Cas-based gene editing promises to bridge this gap and provide a rapid method to functionally validate genes and alleles identified through studies of natural variation. CRISPR-Cas techniques can be used to knock out single or multiple genes, precisely modify genes through base and prime editing, and replace alleles. Moreover, technologies such as protoplast isolation, in planta transformation, and the use of developmental regulatory genes promise to enable high-throughput gene editing to accelerate crop improvement.
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13
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CRISPR/Cas9 Technique for Temperature, Drought, and Salinity Stress Responses. Curr Issues Mol Biol 2022; 44:2664-2682. [PMID: 35735623 PMCID: PMC9221872 DOI: 10.3390/cimb44060182] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/02/2022] [Accepted: 06/06/2022] [Indexed: 02/07/2023] Open
Abstract
Global warming and climate change have severely affected plant growth and food production. Therefore, minimizing these effects is required for sustainable crop yields. Understanding the molecular mechanisms in response to abiotic stresses and improving agricultural traits to make crops tolerant to abiotic stresses have been going on unceasingly. To generate desirable varieties of crops, traditional and molecular breeding techniques have been tried, but both approaches are time-consuming. Clustered regularly interspaced short palindromic repeat/Cas9 (CRISPR/Cas9) and transcription activator-like effector nucleases (TALENs) are genome-editing technologies that have recently attracted the attention of plant breeders for genetic modification. These technologies are powerful tools in the basic and applied sciences for understanding gene function, as well as in the field of crop breeding. In this review, we focus on the application of genome-editing systems in plants to understand gene function in response to abiotic stresses and to improve tolerance to abiotic stresses, such as temperature, drought, and salinity stresses.
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14
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Tripathi L, Dhugga KS, Ntui VO, Runo S, Syombua ED, Muiruri S, Wen Z, Tripathi JN. Genome Editing for Sustainable Agriculture in Africa. Front Genome Ed 2022; 4:876697. [PMID: 35647578 PMCID: PMC9133388 DOI: 10.3389/fgeed.2022.876697] [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: 02/15/2022] [Accepted: 04/21/2022] [Indexed: 12/25/2022] Open
Abstract
Sustainable intensification of agriculture in Africa is essential for accomplishing food and nutritional security and addressing the rising concerns of climate change. There is an urgent need to close the yield gap in staple crops and enhance food production to feed the growing population. In order to meet the increasing demand for food, more efficient approaches to produce food are needed. All the tools available in the toolbox, including modern biotechnology and traditional, need to be applied for crop improvement. The full potential of new breeding tools such as genome editing needs to be exploited in addition to conventional technologies. Clustered regularly interspaced short palindromic repeats/CRISPR-associated protein (CRISPR/Cas)-based genome editing has rapidly become the most prevalent genetic engineering approach for developing improved crop varieties because of its simplicity, efficiency, specificity, and easy to use. Genome editing improves crop variety by modifying its endogenous genome free of any foreign gene. Hence, genome-edited crops with no foreign gene integration are not regulated as genetically modified organisms (GMOs) in several countries. Researchers are using CRISPR/Cas-based genome editing for improving African staple crops for biotic and abiotic stress resistance and improved nutritional quality. Many products, such as disease-resistant banana, maize resistant to lethal necrosis, and sorghum resistant to the parasitic plant Striga and enhanced quality, are under development for African farmers. There is a need for creating an enabling environment in Africa with science-based regulatory guidelines for the release and adoption of the products developed using CRISPR/Cas9-mediated genome editing. Some progress has been made in this regard. Nigeria and Kenya have recently published the national biosafety guidelines for the regulation of gene editing. This article summarizes recent advances in developments of tools, potential applications of genome editing for improving staple crops, and regulatory policies in Africa.
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Affiliation(s)
- Leena Tripathi
- International Institute of Tropical Agriculture (IITA), Nairobi, Kenya
- *Correspondence: Leena Tripathi,
| | | | - Valentine O. Ntui
- International Institute of Tropical Agriculture (IITA), Nairobi, Kenya
| | | | - Easter D. Syombua
- International Institute of Tropical Agriculture (IITA), Nairobi, Kenya
| | - Samwel Muiruri
- International Institute of Tropical Agriculture (IITA), Nairobi, Kenya
- Kenyatta University, Nairobi, Kenya
| | - Zhengyu Wen
- International Maize and Wheat Improvement Center (CIMMYT), Texcoco, Mexico
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15
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Nagamine A, Ezura H. Genome Editing for Improving Crop Nutrition. Front Genome Ed 2022; 4:850104. [PMID: 35224538 PMCID: PMC8864126 DOI: 10.3389/fgeed.2022.850104] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 01/24/2022] [Indexed: 11/22/2022] Open
Abstract
Genome editing technologies, including CRISPR/Cas9 and TALEN, are excellent genetic modification techniques and are being proven to be powerful tools not only in the field of basic science but also in the field of crop breeding. Recently, two genome-edited crops targeted for nutritional improvement, high GABA tomatoes and high oleic acid soybeans, have been released to the market. Nutritional improvement in cultivated crops has been a major target of conventional genetic modification technologies as well as classical breeding methods. Mutations created by genome editing are considered to be almost identical to spontaneous genetic mutations because the mutation inducer, the transformed foreign gene, can be completely eliminated from the final genome-edited hosts after causing the mutation. Therefore, genome-edited crops are expected to be relatively easy to supply to the market, unlike GMO crops. On the other hand, due to their technical feature, the main goal of current genome-edited crop creation is often the total or partial disruption of genes rather than gene delivery. Therefore, to obtain the desired trait using genome editing technology, in some cases, a different approach from that of genetic recombination technology may be required. In this mini-review, we will review several nutritional traits in crops that have been considered suitable targets for genome editing, including the two examples mentioned above, and discuss how genome editing technology can be an effective breeding technology for improving nutritional traits in crops.
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Affiliation(s)
- Ai Nagamine
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Japan
| | - Hiroshi Ezura
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Japan
- Tsukuba Plant Innovation Research Center, University of Tsukuba, Tsukuba, Japan
- *Correspondence: Hiroshi Ezura,
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16
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Toulotte JM, Pantazopoulou CK, Sanclemente MA, Voesenek LACJ, Sasidharan R. Water stress resilient cereal crops: Lessons from wild relatives. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2022; 64:412-430. [PMID: 35029029 PMCID: PMC9255596 DOI: 10.1111/jipb.13222] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 01/10/2022] [Indexed: 05/20/2023]
Abstract
Cereal crops are significant contributors to global diets. As climate change disrupts weather patterns and wreaks havoc on crops, the need for generating stress-resilient, high-yielding varieties is more urgent than ever. One extremely promising avenue in this regard is to exploit the tremendous genetic diversity expressed by the wild ancestors of current day crop species. These crop wild relatives thrive in a range of environments and accordingly often harbor an array of traits that allow them to do so. The identification and introgression of these traits into our staple cereal crops can lessen yield losses in stressful environments. In the last decades, a surge in extreme drought and flooding events have severely impacted cereal crop production. Climate models predict a persistence of this trend, thus reinforcing the need for research on water stress resilience. Here we review: (i) how water stress (drought and flooding) impacts crop performance; and (ii) how identification of tolerance traits and mechanisms from wild relatives of the main cereal crops, that is, rice, maize, wheat, and barley, can lead to improved survival and sustained yields in these crops under water stress conditions.
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Affiliation(s)
- Justine M. Toulotte
- Department of Biology, Plant Ecophysiology, Institute of Environmental BiologyUtrecht UniversityUtrecht3584 CHThe Netherlands
| | - Chrysoula K. Pantazopoulou
- Department of Biology, Plant Ecophysiology, Institute of Environmental BiologyUtrecht UniversityUtrecht3584 CHThe Netherlands
| | - Maria Angelica Sanclemente
- Department of Biology, Plant Ecophysiology, Institute of Environmental BiologyUtrecht UniversityUtrecht3584 CHThe Netherlands
| | - Laurentius A. C. J. Voesenek
- Department of Biology, Plant Ecophysiology, Institute of Environmental BiologyUtrecht UniversityUtrecht3584 CHThe Netherlands
| | - Rashmi Sasidharan
- Department of Biology, Plant Ecophysiology, Institute of Environmental BiologyUtrecht UniversityUtrecht3584 CHThe Netherlands
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17
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Deb S, Choudhury A, Kharbyngar B, Satyawada RR. Applications of CRISPR/Cas9 technology for modification of the plant genome. Genetica 2022; 150:1-12. [PMID: 35018532 DOI: 10.1007/s10709-021-00146-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 12/02/2021] [Indexed: 12/26/2022]
Abstract
The CRISPR/Cas (Clustered regularly interspaced short palindromic repeats/ CRISPR associated protein 9) system was discovered in bacteria and archea as an acquired immune response to protect the cells from infection. This technology has now evolved to become an efficient genome editing tool, and is replacing older gene editing technologies. This technique uses programmable sgRNAs to guide the Cas9 endonuclease to the target DNA location. sgRNA is a vital component of the CRISPR technology, since without it the Cas nuclease cannot reach to its target location. Over the years, many tools have been developed for designing sgRNAs, the details of which have been extensively reviewed here. It has proven to be a promising tool in the field of genetic engineering and has successfully generated many plant varieties with better and desirable qualities. In the present review, we attempted to collect,collate and summarize information related to the development of CRISPR/Cas9 system as a tool and subsequently into a technique having a wide array of applications in the field of plant genome editing in attaining desirable traits like resistance to various diseases, nutritional enhancement etc. In addition, the probable future prospects and the various bio-safety concerns associated with CRISPR gene editing technology have been discussed in detail.
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Affiliation(s)
- Sohini Deb
- Plant Biotechnology Laboratory, Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong, Meghalaya, 793022, India
| | - Amrita Choudhury
- Plant Biotechnology Laboratory, Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong, Meghalaya, 793022, India
| | - Banridor Kharbyngar
- Plant Biotechnology Laboratory, Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong, Meghalaya, 793022, India
| | - Rama Rao Satyawada
- Plant Biotechnology Laboratory, Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong, Meghalaya, 793022, India.
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18
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Preface: Genome editing in plants. Transgenic Res 2021; 30:317-320. [PMID: 34313953 DOI: 10.1007/s11248-021-00268-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/04/2021] [Indexed: 10/20/2022]
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Wang T, Xun H, Wang W, Ding X, Tian H, Hussain S, Dong Q, Li Y, Cheng Y, Wang C, Lin R, Li G, Qian X, Pang J, Feng X, Dong Y, Liu B, Wang S. Mutation of GmAITR Genes by CRISPR/Cas9 Genome Editing Results in Enhanced Salinity Stress Tolerance in Soybean. FRONTIERS IN PLANT SCIENCE 2021; 12:779598. [PMID: 34899806 PMCID: PMC8660858 DOI: 10.3389/fpls.2021.779598] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 11/05/2021] [Indexed: 05/02/2023]
Abstract
Breeding of stress-tolerant plants is able to improve crop yield under stress conditions, whereas CRISPR/Cas9 genome editing has been shown to be an efficient way for molecular breeding to improve agronomic traits including stress tolerance in crops. However, genes can be targeted for genome editing to enhance crop abiotic stress tolerance remained largely unidentified. We have previously identified abscisic acid (ABA)-induced transcription repressors (AITRs) as a novel family of transcription factors that are involved in the regulation of ABA signaling, and we found that knockout of the entire family of AITR genes in Arabidopsis enhanced drought and salinity tolerance without fitness costs. Considering that AITRs are conserved in angiosperms, AITRs in crops may be targeted for genome editing to improve abiotic stress tolerance. We report here that mutation of GmAITR genes by CRISPR/Cas9 genome editing leads to enhanced salinity tolerance in soybean. By using quantitative RT-PCR analysis, we found that the expression levels of GmAITRs were increased in response to ABA and salt treatments. Transfection assays in soybean protoplasts show that GmAITRs are nucleus proteins, and have transcriptional repression activities. By using CRISPR/Cas9 to target the six GmAITRs simultaneously, we successfully generated Cas9-free gmaitr36 double and gmaitr23456 quintuple mutants. We found that ABA sensitivity in these mutants was increased. Consistent with this, ABA responses of some ABA signaling key regulator genes in the gmaitr mutants were altered. In both seed germination and seedling growth assays, the gmaitr mutants showed enhanced salt tolerance. Most importantly, enhanced salinity tolerance in the mutant plants was also observed in the field experiments. These results suggest that mutation of GmAITR genes by CRISPR/Cas9 is an efficient way to improve salinity tolerance in soybean.
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Affiliation(s)
- Tianya Wang
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
| | - Hongwei Xun
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
- National Engineering Research Center for Soybean, Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun, China
| | - Wei Wang
- Laboratory of Plant Molecular Genetics and Crop Gene Editing, School of Life Sciences, Linyi University, Linyi, China
| | - Xiaoyang Ding
- National Engineering Research Center for Soybean, Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun, China
| | - Hainan Tian
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
| | - Saddam Hussain
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
| | - Qianli Dong
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
| | - Yingying Li
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
| | - Yuxin Cheng
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
| | - Chen Wang
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
| | - Rao Lin
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
| | - Guimin Li
- Laboratory of Plant Molecular Genetics and Crop Gene Editing, School of Life Sciences, Linyi University, Linyi, China
| | - Xueyan Qian
- National Engineering Research Center for Soybean, Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun, China
| | - Jinsong Pang
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
| | - Xianzhong Feng
- Key Laboratory of Soybean Molecular Design Breeding, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, China
| | - Yingshan Dong
- National Engineering Research Center for Soybean, Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun, China
| | - Bao Liu
- Key Laboratory of Molecular Epigenetics of MOE, Northeast Normal University, Changchun, China
| | - Shucai Wang
- Laboratory of Plant Molecular Genetics and Crop Gene Editing, School of Life Sciences, Linyi University, Linyi, China
- *Correspondence: Shucai Wang,
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