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Kutyrieva-Nowak N, Leszczuk A, Ezzat L, Kaloudas D, Zając A, Szymańska-Chargot M, Skrzypek T, Krokida A, Mekkaoui K, Lampropoulou E, Kalaitzis P, Zdunek A. The modified activity of prolyl 4 hydroxylases reveals the effect of arabinogalactan proteins on changes in the cell wall during the tomato ripening process. FRONTIERS IN PLANT SCIENCE 2024; 15:1365490. [PMID: 38571716 PMCID: PMC10987753 DOI: 10.3389/fpls.2024.1365490] [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: 01/04/2024] [Accepted: 03/08/2024] [Indexed: 04/05/2024]
Abstract
Arabinogalactan proteins (AGPs) are proteoglycans with an unusual molecular structure characterised by the presence of a protein part and carbohydrate chains. Their specific properties at different stages of the fruit ripening programme make AGPs unique markers of this process. An important function of AGPs is to co-form an amorphous extracellular matrix in the cell wall-plasma membrane continuum; thus, changes in the structure of these molecules can determine the presence and distribution of other components. The aim of the current work was to characterise the molecular structure and localisation of AGPs during the fruit ripening process in transgenic lines with silencing and overexpression of SlP4H3 genes (prolyl 4 hydroxylase 3). The objective was accomplished through comprehensive and comparative in situ and ex situ analyses of AGPs from the fruit of transgenic lines and wild-type plants at specific stages of ripening. The experiment showed that changes in prolyl 4 hydroxylases (P4H3) activity affected the content of AGPs and the progress in their modifications in the ongoing ripening process. The analysis of the transgenic lines confirmed the presence of AGPs with high molecular weights (120-60 kDa) at all the examined stages, but a changed pattern of the molecular features of AGPs was found in the last ripening stages, compared to WT. In addition to the AGP molecular changes, morphological modifications of fruit tissue and alterations in the spatio-temporal pattern of AGP distribution at the subcellular level were detected in the transgenic lines with the progression of the ripening process. The work highlights the impact of AGPs and their alterations on the fruit cell wall and changes in AGPs associated with the progression of the ripening process.
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Affiliation(s)
| | - Agata Leszczuk
- Institute of Agrophysics, Polish Academy of Sciences, Lublin, Poland
| | - Lamia Ezzat
- Department of Horticultural Genetics and Biotechnology, Mediterranean Agronomic Institute of Chania, Chania, Greece
| | - Dimitris Kaloudas
- Department of Horticultural Genetics and Biotechnology, Mediterranean Agronomic Institute of Chania, Chania, Greece
| | - Adrian Zając
- Department of Functional Anatomy and Cytobiology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
| | | | - Tomasz Skrzypek
- Department of Biomedicine and Environmental Research, Institute of Biological Sciences, Faculty of Medicine, John Paul II Catholic University of Lublin, Lublin, Poland
| | - Afroditi Krokida
- Department of Horticultural Genetics and Biotechnology, Mediterranean Agronomic Institute of Chania, Chania, Greece
| | - Khansa Mekkaoui
- Department of Horticultural Genetics and Biotechnology, Mediterranean Agronomic Institute of Chania, Chania, Greece
| | - Evangelia Lampropoulou
- Department of Horticultural Genetics and Biotechnology, Mediterranean Agronomic Institute of Chania, Chania, Greece
| | - Panagiotis Kalaitzis
- Department of Horticultural Genetics and Biotechnology, Mediterranean Agronomic Institute of Chania, Chania, Greece
| | - Artur Zdunek
- Institute of Agrophysics, Polish Academy of Sciences, Lublin, Poland
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Kutyrieva-Nowak N, Leszczuk A, Zdunek A. A practical guide to in situ and ex situ characterisation of arabinogalactan proteins (AGPs) in fruits. PLANT METHODS 2023; 19:117. [PMID: 37915041 PMCID: PMC10621164 DOI: 10.1186/s13007-023-01100-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 10/27/2023] [Indexed: 11/03/2023]
Abstract
BACKGROUND Arabinogalactan proteins (AGPs) are plant cell components found in the extracellular matrix that play crucial roles in fruit growth and development. AGPs demonstrate structural diversity due to the presence of a protein domain and an expanded carbohydrate moiety. Considering their molecular structure, the modification of glycosylation is a primary factor contributing to the functional variety of AGPs. MAIN BODY Immunocytochemical methods are used for qualitative and quantitative analyses of AGPs in fruit tissues. These include in situ techniques such as immunofluorescence and immunogold labelling for visualising AGP distribution at different cellular levels and ex situ methods such as Western blotting and enzyme-linked immunoenzymatic assays (ELISA) for molecular characterisation and quantitative detection of isolated AGPs. The presented techniques were modified by considering the structure of AGPs and the changes that occur in fruit tissues during the development and ripening processes. These methods are based on antibodies that recognise carbohydrate chains, which are the only commercially available highly AGP-specific tools. These probes recognise AGP epitopes and identify structural modifications and changes in spatio-temporal distribution, shedding light on their functions in fruit. CONCLUSION This paper provides a concise overview of AGP research methods, emphasising their use in fruit tissue analysis and demonstrating the accessibility gaps in other tools used in such research (e.g. antibodies against protein moieties). It underscores fruit tissue as a valuable source of AGPs and emphasises the potential for future research to understand of AGP synthesis, degradation, and their roles in various physiological processes. Moreover, the application of advanced probes for AGP visualisation is a milestone in obtaining more detailed insights into the localisation and function of these proteins within fruit.
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Affiliation(s)
| | - Agata Leszczuk
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland.
| | - Artur Zdunek
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland
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Shahwar D, Ahn N, Kim D, Ahn W, Park Y. Mutagenesis-based plant breeding approaches and genome engineering: A review focused on tomato. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2023; 792:108473. [PMID: 37716439 DOI: 10.1016/j.mrrev.2023.108473] [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: 03/09/2023] [Revised: 09/08/2023] [Accepted: 09/08/2023] [Indexed: 09/18/2023]
Abstract
Breeding is the most important and efficient method for crop improvement involving repeated modification of the genetic makeup of a plant population over many generations. In this review, various accessible breeding approaches, such as conventional breeding and mutation breeding (physical and chemical mutagenesis and insertional mutagenesis), are discussed with respect to the actual impact of research on the economic improvement of tomato agriculture. Tomatoes are among the most economically important fruit crops consumed worldwide because of their high nutritional content and health-related benefits. Additionally, we summarize mutation-based mapping approaches, including Mutmap and MutChromeSeq, for the efficient mapping of several genes identified by random indel mutations that are beneficial for crop improvement. Difficulties and challenges in the adaptation of new genome editing techniques that provide opportunities to demonstrate precise mutations are also addressed. Lastly, this review focuses on various effective and convenient genome editing tools, such as RNA interference (RNAi), zinc finger nucleases (ZFNs), transcription activator-like effector nucleases (TALENs), and clustered regularly interspaced short palindromic repeats (CRISPR/Cas9), and their potential for the improvement of numerous desirable traits to allow the development of better varieties of tomato and other horticultural crops.
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Affiliation(s)
- Durre Shahwar
- Department of Horticultural Bioscience, Pusan National University, Miryang 50463, Republic of Korea
| | - Namju Ahn
- Daenong Seed Company, Hwasun-gun 58155, Republic of Korea
| | - Donghyun Kim
- Daenong Seed Company, Hwasun-gun 58155, Republic of Korea
| | - Wooseong Ahn
- Daenong Seed Company, Hwasun-gun 58155, Republic of Korea
| | - Younghoon Park
- Department of Horticultural Bioscience, Pusan National University, Miryang 50463, Republic of Korea.
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4
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Mipeshwaree Devi A, Khedashwori Devi K, Premi Devi P, Lakshmipriyari Devi M, Das S. Metabolic engineering of plant secondary metabolites: prospects and its technological challenges. FRONTIERS IN PLANT SCIENCE 2023; 14:1171154. [PMID: 37251773 PMCID: PMC10214965 DOI: 10.3389/fpls.2023.1171154] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 04/17/2023] [Indexed: 05/31/2023]
Abstract
Plants produce a wide range of secondary metabolites that play vital roles for their primary functions such as growth, defence, adaptations or reproduction. Some of the plant secondary metabolites are beneficial to mankind as nutraceuticals and pharmaceuticals. Metabolic pathways and their regulatory mechanism are crucial for targeting metabolite engineering. The clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9-mediated system has been widely applied in genome editing with high accuracy, efficiency, and multiplex targeting ability. Besides its vast application in genetic improvement, the technique also facilitates a comprehensive profiling approach to functional genomics related to gene discovery involved in various plant secondary metabolic pathways. Despite these wide applications, several challenges limit CRISPR/Cas system applicability in genome editing in plants. This review highlights updated applications of CRISPR/Cas system-mediated metabolic engineering of plants and its challenges.
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Affiliation(s)
| | | | | | | | - Sudripta Das
- Plant Bioresources Division, Institute of Bioresources and Sustainable Development, Imphal, Manipur, India
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5
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Feng Y, Kou X, Yuan S, Wu C, Zhao X, Xue Z, Li Q, Huang Z, Sun Y. CRISPR/Cas9-mediated SNAC9 mutants reveal the positive regulation of tomato ripening by SNAC9 and the mechanism of carotenoid metabolism regulation. HORTICULTURE RESEARCH 2023; 10:uhad019. [PMID: 37035856 PMCID: PMC10076210 DOI: 10.1093/hr/uhad019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 02/03/2023] [Indexed: 06/19/2023]
Abstract
NAC transcriptional regulators are crucial for tomato ripening. Virus-induced gene silencing (VIGS) of SNAC9 (SlNAC19, Gene ID: 101248665) affects tomato ripening, and SNAC9 is involved in ethylene and abscisic acid (ABA) metabolic pathways. However, the function of SNAC9 in pigment metabolism in tomatoes remains unclear. This work seeks to discover the mechanism of SNAC9 involvement in pigment metabolism during tomato ripening by establishing a SNAC9 knockout model using CRISPR/Cas9 technology. The results indicated that fruit ripening was delayed in knockout (KO) mutants, and SNAC9 mutation significantly affected carotenoid metabolism. The chlorophyll (Chl) degradation rate, total carotenoid content, and lycopene content decreased significantly in the mutants. The transformation rate of chloroplasts to chromoplasts in mutants was slower, which was related to the carotenoid content. Furthermore, SNAC9 changed the expression of critical genes (PSY1, PDS, CRTISO, Z-ISO, SGR1, DXS2, LCYE, LCYB, and CrtR-b2) involved in pigment metabolism in tomato ripening. SNAC9 knockout also altered the expression levels of critical genes involved in the biosynthesis of ethylene and ABA. Accordingly, SNAC9 regulated carotenoid metabolism by directly regulating PSY1, DXS2, SGR1, and CrtR-b2. This research provides a foundation for developing the tomato ripening network and precise tomato ripening regulation.
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Affiliation(s)
- Yuan Feng
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | | | - Shuai Yuan
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Caie Wu
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Xiaoyang Zhao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Zhaohui Xue
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Qingxiu Li
- College of Food Science and Biological Engineering, Tianjin Agricultural University, Tianjin 300384, China
| | - Zhengyu Huang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Yijie Sun
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
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6
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Cheng Z, Song W, Zhang X. Genic male and female sterility in vegetable crops. HORTICULTURE RESEARCH 2022; 10:uhac232. [PMID: 36643746 PMCID: PMC9832880 DOI: 10.1093/hr/uhac232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 09/30/2022] [Indexed: 06/17/2023]
Abstract
Vegetable crops are greatly appreciated for their beneficial nutritional and health components. Hybrid seeds are widely used in vegetable crops for advantages such as high yield and improved resistance, which require the participation of male (stamen) and female (pistil) reproductive organs. Male- or female-sterile plants are commonly used for production of hybrid seeds or seedless fruits in vegetables. In this review we will focus on the types of genic male sterility and factors affecting female fertility, summarize typical gene function and research progress related to reproductive organ identity and sporophyte and gametophyte development in vegetable crops [mainly tomato (Solanum lycopersicum) and cucumber (Cucumis sativus)], and discuss the research trends and application perspectives of the sterile trait in vegetable breeding and hybrid production, in order to provide a reference for fertility-related germplasm innovation.
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Affiliation(s)
- Zhihua Cheng
- State Key Laboratories of Agrobiotechnology, Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, MOE Joint Laboratory for International Cooperation in Crop Molecular Breeding, China Agricultural University, Beijing, 100193, China
| | - Weiyuan Song
- State Key Laboratories of Agrobiotechnology, Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, MOE Joint Laboratory for International Cooperation in Crop Molecular Breeding, China Agricultural University, Beijing, 100193, China
| | - Xiaolan Zhang
- State Key Laboratories of Agrobiotechnology, Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, MOE Joint Laboratory for International Cooperation in Crop Molecular Breeding, China Agricultural University, Beijing, 100193, China
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Danila F, Schreiber T, Ermakova M, Hua L, Vlad D, Lo S, Chen Y, Lambret‐Frotte J, Hermanns AS, Athmer B, von Caemmerer S, Yu S, Hibberd JM, Tissier A, Furbank RT, Kelly S, Langdale JA. A single promoter-TALE system for tissue-specific and tuneable expression of multiple genes in rice. PLANT BIOTECHNOLOGY JOURNAL 2022; 20:1786-1806. [PMID: 35639605 PMCID: PMC9398400 DOI: 10.1111/pbi.13864] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 05/06/2022] [Accepted: 05/26/2022] [Indexed: 06/15/2023]
Abstract
In biological discovery and engineering research, there is a need to spatially and/or temporally regulate transgene expression. However, the limited availability of promoter sequences that are uniquely active in specific tissue-types and/or at specific times often precludes co-expression of multiple transgenes in precisely controlled developmental contexts. Here, we developed a system for use in rice that comprises synthetic designer transcription activator-like effectors (dTALEs) and cognate synthetic TALE-activated promoters (STAPs). The system allows multiple transgenes to be expressed from different STAPs, with the spatial and temporal context determined by a single promoter that drives expression of the dTALE. We show that two different systems-dTALE1-STAP1 and dTALE2-STAP2-can activate STAP-driven reporter gene expression in stable transgenic rice lines, with transgene transcript levels dependent on both dTALE and STAP sequence identities. The relative strength of individual STAP sequences is consistent between dTALE1 and dTALE2 systems but differs between cell-types, requiring empirical evaluation in each case. dTALE expression leads to off-target activation of endogenous genes but the number of genes affected is substantially less than the number impacted by the somaclonal variation that occurs during the regeneration of transformed plants. With the potential to design fully orthogonal dTALEs for any genome of interest, the dTALE-STAP system thus provides a powerful approach to fine-tune the expression of multiple transgenes, and to simultaneously introduce different synthetic circuits into distinct developmental contexts.
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Affiliation(s)
- Florence Danila
- Australian Research Council Centre of Excellence for Translational Photosynthesis, Plant Sciences Division, Research School of BiologyAustralian National UniversityCanberraAustralian Capital TerritoryAustralia
| | - Tom Schreiber
- Department of Cell and Metabolic BiologyLeibniz Institute of Plant BiochemistryHalleGermany
| | - Maria Ermakova
- Australian Research Council Centre of Excellence for Translational Photosynthesis, Plant Sciences Division, Research School of BiologyAustralian National UniversityCanberraAustralian Capital TerritoryAustralia
| | - Lei Hua
- Department of Plant SciencesUniversity of CambridgeCambridgeUK
| | - Daniela Vlad
- Department of Plant SciencesUniversity of OxfordOxfordUK
| | - Shuen‐Fang Lo
- Biotechnology CenterNational Chung Hsing UniversityTaichungTaiwan
| | - Yi‐Shih Chen
- Institute of Molecular BiologyAcademia SinicaTaipeiTaiwan
| | | | - Anna S. Hermanns
- Department of Plant SciencesUniversity of OxfordOxfordUK
- Present address:
Plant Breeding and Genetics Section, School of Integrative Plant ScienceCornell UniversityIthacaNew YorkUSA
| | - Benedikt Athmer
- Department of Cell and Metabolic BiologyLeibniz Institute of Plant BiochemistryHalleGermany
| | - Susanne von Caemmerer
- Australian Research Council Centre of Excellence for Translational Photosynthesis, Plant Sciences Division, Research School of BiologyAustralian National UniversityCanberraAustralian Capital TerritoryAustralia
| | - Su‐May Yu
- Biotechnology CenterNational Chung Hsing UniversityTaichungTaiwan
- Institute of Molecular BiologyAcademia SinicaTaipeiTaiwan
| | | | - Alain Tissier
- Department of Cell and Metabolic BiologyLeibniz Institute of Plant BiochemistryHalleGermany
| | - Robert T. Furbank
- Australian Research Council Centre of Excellence for Translational Photosynthesis, Plant Sciences Division, Research School of BiologyAustralian National UniversityCanberraAustralian Capital TerritoryAustralia
| | - Steven Kelly
- Department of Plant SciencesUniversity of OxfordOxfordUK
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8
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Zhang RX, Li BB, Yang ZG, Huang JQ, Sun WH, Bhanbhro N, Liu WT, Chen KM. Dissecting Plant Gene Functions Using CRISPR Toolsets for Crop Improvement. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:7343-7359. [PMID: 35695482 DOI: 10.1021/acs.jafc.2c01754] [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] [Indexed: 06/15/2023]
Abstract
The CRISPR-based gene editing technology has become more and more powerful in genome manipulation for agricultural breeding, with numerous improved toolsets springing up. In recent years, many CRISPR toolsets for gene editing, such as base editors (BEs), CRISPR interference (CRISPRi), CRISPR activation (CRISPRa), and plant epigenetic editors (PEEs), have been developed to clarify gene function and full-level gene regulation. Here, we comprehensively summarize the application and capacity of the different CRISPR toolsets in the study of plant gene expression regulation, highlighting their potential application in gene regulatory networks' analysis. The general problems in CRISPR application and the optimal solutions in the existing schemes for high-throughput gene function analysis are also discussed. The CRISPR toolsets targeting gene manipulation discussed here provide new solutions for further genetic improvement and molecular breeding of crops.
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Affiliation(s)
- Rui-Xiang Zhang
- State Key Laboratory of Crop Stress Biology in Arid Area/College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Bin-Bin Li
- State Key Laboratory of Crop Stress Biology in Arid Area/College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zheng-Guang Yang
- State Key Laboratory of Crop Stress Biology in Arid Area/College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jia-Qi Huang
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China
| | - Wei-Hang Sun
- State Key Laboratory of Crop Stress Biology in Arid Area/College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Nadeem Bhanbhro
- State Key Laboratory of Crop Stress Biology in Arid Area/College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Wen-Ting Liu
- State Key Laboratory of Crop Stress Biology in Arid Area/College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Kun-Ming Chen
- State Key Laboratory of Crop Stress Biology in Arid Area/College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
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9
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Rahman F, Mishra A, Gupta A, Sharma R. Spatiotemporal Regulation of CRISPR/Cas9 Enables Efficient, Precise, and Heritable Edits in Plant Genomes. Front Genome Ed 2022; 4:870108. [PMID: 35558825 PMCID: PMC9087570 DOI: 10.3389/fgeed.2022.870108] [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: 02/05/2022] [Accepted: 03/24/2022] [Indexed: 12/04/2022] Open
Abstract
CRISPR/Cas-mediated editing has revolutionized crop engineering. Due to the broad scope and potential of this technology, many studies have been carried out in the past decade towards optimizing genome editing constructs. Clearly, the choice of the promoter used to drive gRNA and Cas9 expression is critical to achieving high editing efficiency, precision, and heritability. While some important considerations for choosing a promoter include the number and nature of targets, host organism, mode of transformation and goal of the experiment, spatiotemporal regulation of Cas9 expression using tissue-specific or inducible promoters enables higher heritability and efficiency of targeted mutagenesis with reduced off-target effects. In this review, we discuss specific studies that highlight the prospects and trade-offs associated with the choice of promoters on genome editing and emphasize the need for inductive exploration and discovery to further advance this area of research in crop plants.
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Affiliation(s)
- Farhanur Rahman
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, India
| | - Apurva Mishra
- Department of Molecular and Cellular Biology, University of California, Davis, Davis, CA, United States
| | - Archit Gupta
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, India
| | - Rita Sharma
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, India
- *Correspondence: Rita Sharma, ,
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10
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Pfeiffer ML, Winkler J, Van Damme D, Jacobs TB, Nowack MK. Conditional and tissue-specific approaches to dissect essential mechanisms in plant development. CURRENT OPINION IN PLANT BIOLOGY 2022; 65:102119. [PMID: 34653951 PMCID: PMC7612331 DOI: 10.1016/j.pbi.2021.102119] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/03/2021] [Accepted: 09/09/2021] [Indexed: 05/19/2023]
Abstract
Reverse genetics approaches are routinely used to investigate gene function. However, mutations, especially in critical genes, can lead to pleiotropic effects as severe as lethality, thus limiting functional studies in specific contexts. Approaches that allow for modifications of genes or gene products in a specific spatial or temporal setting can overcome these limitations. The advent of CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) technologies has not only revolutionized targeted genome modification in plants but also enabled new possibilities for inducible and tissue-specific manipulation of gene functions at the DNA and RNA levels. In addition, novel approaches for the direct manipulation of target proteins have been introduced in plant systems. Here, we review the current development in tissue-specific and conditional manipulation approaches at the DNA, RNA, and protein levels.
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Affiliation(s)
- Marie L Pfeiffer
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052, Ghent, Belgium; VIB Center for Plant Systems Biology, 9052, Ghent, Belgium
| | - Joanna Winkler
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052, Ghent, Belgium; VIB Center for Plant Systems Biology, 9052, Ghent, Belgium
| | - Daniël Van Damme
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052, Ghent, Belgium; VIB Center for Plant Systems Biology, 9052, Ghent, Belgium
| | - Thomas B Jacobs
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052, Ghent, Belgium; VIB Center for Plant Systems Biology, 9052, Ghent, Belgium.
| | - Moritz K Nowack
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052, Ghent, Belgium; VIB Center for Plant Systems Biology, 9052, Ghent, Belgium.
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11
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Assessment of the R2R3 MYB gene expression profile during tomato fruit development using in silico, quantitative and semi-quantitative RT-PCR. Saudi J Biol Sci 2022. [DOI: 10.1016/j.sjbs.2022.02.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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12
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Singha DL, Das D, Sarki YN, Chowdhury N, Sharma M, Maharana J, Chikkaputtaiah C. Harnessing tissue-specific genome editing in plants through CRISPR/Cas system: current state and future prospects. PLANTA 2021; 255:28. [PMID: 34962611 DOI: 10.1007/s00425-021-03811-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
In a nutshell, tissue-specific CRISPR/Cas genome editing is the most promising approach for crop improvement which can bypass the hurdle associated with constitutive GE such as off target and pleotropic effects for targeted crop improvement. CRISPR/Cas is a powerful genome-editing tool with a wide range of applications for the genetic improvement of crops. However, the constitutive genome editing of vital genes is often associated with pleiotropic effects on other genes, needless metabolic burden, or interference in the cellular machinery. Tissue-specific genome editing (TSGE), on the other hand, enables researchers to study those genes in specific cells, tissues, or organs without disturbing neighboring groups of cells. Until recently, there was only limited proof of the TSGE concept, where the CRISPR-TSKO tool was successfully used in Arabidopsis, tomato, and cotton, laying a solid foundation for crop improvement. In this review, we have laid out valuable insights into the concept and application of TSGE on relatively unexplored areas such as grain trait improvement under favorable or unfavorable conditions. We also enlisted some of the prominent tissue-specific promoters and described the procedure of their isolation with several TSGE promoter expression systems in detail. Moreover, we highlighted potential negative regulatory genes that could be targeted through TSGE using tissue-specific promoters. In a nutshell, tissue-specific CRISPR/Cas genome editing is the most promising approach for crop improvement which can bypass the hurdle associated with constitutive GE such as off target and pleotropic effects for targeted crop improvement.
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Affiliation(s)
- Dhanawantari L Singha
- Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, Assam, 785006, India.
| | - Debajit Das
- Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, Assam, 785006, India
| | - Yogita N Sarki
- Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, Assam, 785006, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Naimisha Chowdhury
- Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, Assam, 785006, India
| | - Monica Sharma
- Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, Assam, 785006, India
| | - Jitendra Maharana
- Distributed Information Centre (DIC), Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, Assam, India
- Institute of Biological Chemistry, Academia Sinica, Taipei, 11529, Taiwan
| | - Channakeshavaiah Chikkaputtaiah
- Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, Assam, 785006, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Kou X, Feng Y, Yuan S, Zhao X, Wu C, Wang C, Xue Z. Different regulatory mechanisms of plant hormones in the ripening of climacteric and non-climacteric fruits: a review. PLANT MOLECULAR BIOLOGY 2021; 107:477-497. [PMID: 34633626 DOI: 10.1007/s11103-021-01199-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/24/2021] [Indexed: 05/24/2023]
Abstract
This review contains the regulatory mechanisms of plant hormones in the ripening process of climacteric and non-climacteric fruits, interactions between plant hormones and future research directions. The fruit ripening process involves physiological and biochemical changes such as pigment accumulation, softening, aroma and flavor formation. There is a great difference in the ripening process between climacteric fruits and non-climacteric fruits. The ripening of these two types of fruits is affected by endogenous signals and exogenous environments. Endogenous signaling plant hormones play an important regulatory role in fruit ripening. This paper systematically reviews recent progress in the regulation of plant hormones in fruit ripening, including ethylene, abscisic acid, auxin, jasmonic acid (JA), gibberellin, brassinosteroid (BR), salicylic acid (SA) and melatonin. The role of plant hormones in both climacteric and non-climacteric fruits is discussed, with emphasis on the interaction between ethylene and other adjustment factors. Specifically, the research progress and future research directions of JA, SA and BR in fruit ripening are discussed, and the regulatory network between JA and other signaling molecules remains to be further revealed. This study is meant to expand the understanding of the importance of plant hormones, clarify the hormonal regulation network and provide a basis for targeted manipulation of fruit ripening.
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Affiliation(s)
- Xiaohong Kou
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Yuan Feng
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Shuai Yuan
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Xiaoyang Zhao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Caie Wu
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Chao Wang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Zhaohui Xue
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China.
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Petit J, Bres C, Reynoud N, Lahaye M, Marion D, Bakan B, Rothan C. Unraveling Cuticle Formation, Structure, and Properties by Using Tomato Genetic Diversity. FRONTIERS IN PLANT SCIENCE 2021; 12:778131. [PMID: 34912361 PMCID: PMC8667768 DOI: 10.3389/fpls.2021.778131] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/02/2021] [Indexed: 05/29/2023]
Abstract
The tomato (Solanum lycopersicum) fruit has a thick, astomatous cuticle that has become a model for the study of cuticle formation, structure, and properties in plants. Tomato is also a major horticultural crop and a long-standing model for research in genetics, fruit development, and disease resistance. As a result, a wealth of genetic resources and genomic tools have been established, including collections of natural and artificially induced genetic diversity, introgression lines of genome fragments from wild relatives, high-quality genome sequences, phenotype and gene expression databases, and efficient methods for genetic transformation and editing of target genes. This mini-review reports the considerable progresses made in recent years in our understanding of cuticle by using and generating genetic diversity for cuticle-associated traits in tomato. These include the synthesis of the main cuticle components (cutin and waxes), their role in the structure and properties of the cuticle, their interaction with other cell wall polymers as well as the regulation of cuticle formation. It also addresses the opportunities offered by the untapped germplasm diversity available in tomato and the current strategies available to exploit them.
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Affiliation(s)
- Johann Petit
- INRAE, Univ. Bordeaux, UMR BFP, Villenave d’Ornon, France
| | - Cécile Bres
- INRAE, Univ. Bordeaux, UMR BFP, Villenave d’Ornon, France
| | - Nicolas Reynoud
- Unité Biopolymères, Interactions, Assemblages, INRAE, Nantes, France
| | - Marc Lahaye
- Unité Biopolymères, Interactions, Assemblages, INRAE, Nantes, France
| | - Didier Marion
- Unité Biopolymères, Interactions, Assemblages, INRAE, Nantes, France
| | - Bénédicte Bakan
- Unité Biopolymères, Interactions, Assemblages, INRAE, Nantes, France
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Xia X, Cheng X, Li R, Yao J, Li Z, Cheng Y. Advances in application of genome editing in tomato and recent development of genome editing technology. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2021; 134:2727-2747. [PMID: 34076729 PMCID: PMC8170064 DOI: 10.1007/s00122-021-03874-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 05/25/2021] [Indexed: 05/07/2023]
Abstract
Genome editing, a revolutionary technology in molecular biology and represented by the CRISPR/Cas9 system, has become widely used in plants for characterizing gene function and crop improvement. Tomato, serving as an excellent model plant for fruit biology research and making a substantial nutritional contribution to the human diet, is one of the most important applied plants for genome editing. Using CRISPR/Cas9-mediated targeted mutagenesis, the re-evaluation of tomato genes essential for fruit ripening highlights that several aspects of fruit ripening should be reconsidered. Genome editing has also been applied in tomato breeding for improving fruit yield and quality, increasing stress resistance, accelerating the domestication of wild tomato, and recently customizing tomato cultivars for urban agriculture. In addition, genome editing is continuously innovating, and several new genome editing systems such as the recent prime editing, a breakthrough in precise genome editing, have recently been applied in plants. In this review, these advances in application of genome editing in tomato and recent development of genome editing technology are summarized, and their leaving important enlightenment to plant research and precision plant breeding is also discussed.
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Affiliation(s)
- Xuehan Xia
- Key Laboratory of Plant Hormones and Development Regulation of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China
- Center of Plant Functional Genomics, Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 401331, China
| | - Xinhua Cheng
- Key Laboratory of Plant Hormones and Development Regulation of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China
- Center of Plant Functional Genomics, Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 401331, China
| | - Rui Li
- Key Laboratory of Plant Hormones and Development Regulation of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China
- Center of Plant Functional Genomics, Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 401331, China
| | - Juanni Yao
- Key Laboratory of Plant Hormones and Development Regulation of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China
| | - Zhengguo Li
- Key Laboratory of Plant Hormones and Development Regulation of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China
- Center of Plant Functional Genomics, Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 401331, China
| | - Yulin Cheng
- Key Laboratory of Plant Hormones and Development Regulation of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China.
- Center of Plant Functional Genomics, Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 401331, China.
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Uluisik S. Chemical and structural quality traits during postharvest ripening regulated by chromosome segments from a wild relative of tomato Solanum pennellii IL4-2 and IL5-1. J Food Biochem 2021; 45:e13858. [PMID: 34251032 DOI: 10.1111/jfbc.13858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 06/11/2021] [Accepted: 06/27/2021] [Indexed: 11/29/2022]
Abstract
Tomato is usually harvested at an early ripening stage with high firmness suitable for storage and transportation but lacks many quality parameters such as sugars, organic acids, and phenolics. In a recent study, we have selected introgression lines (ILs) IL4-2 and IL5-1, developed from a cross between the Solanum pennellii and the Solanum lycopersicum M82, that exhibit differentiated postharvest shelf-life characteristics in the fruit compared to M82 and the rest of the ILs. Here, we first structurally and biochemically characterized IL4-2, IL5-1, and their parent M82 to decipher the cell wall mechanistic difference between soft (IL4-2) and firm (IL5-1) lines at two postharvest ripening periods. Generally, IL4-2 had more active cell wall modifications in terms of ripening-related gene expression, water-soluble pectin, and cell wall structure under the microscope, which probably makes this line softer than IL5-1. We also evaluated these lines based on commercial quality parameters, sugars, phenolics, organic, and amino acids to gain insight into their commercial and functional quality and reveal noticeable differences. In summary, the contribution of the S. pennellii IL5-1 and IL4-2 to the shelf life of the tomato was structurally characterized, and the component differences meeting the quality criteria were revealed.
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Affiliation(s)
- Selman Uluisik
- Burdur Food Agriculture and Livestock Vocational School, Burdur Mehmet Akif Ersoy University, Burdur, Turkey
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