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Al Mamun A, Rahman MM, Huq MA, Rahman MM, Rana MR, Rahman ST, Khatun ML, Alam MK. Phytoremediation: a transgenic perspective in omics era. Transgenic Res 2024:10.1007/s11248-024-00393-x. [PMID: 38922381 DOI: 10.1007/s11248-024-00393-x] [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: 11/08/2023] [Accepted: 06/17/2024] [Indexed: 06/27/2024]
Abstract
Phytoremediation is an environmental safety strategy that might serve as a viable preventative approach to reduce soil contamination in a cost-effective manner. Using plants to remediate pollution from the environment is referred to as phytoremediation. In the past few decades, plants have undergone genetic manipulation to overcome inherent limitations by using genetically modified plants. This review illustrates the eco-friendly process of cleaning the environment using transgenic strategies combined with omics technologies. Herbicides tolerance and phytoremediation abilities have been established in genetically modified plants. Transgenic plants have eliminated the pesticides atrazine and metolachlor from the soil. To expand the application of genetically engineered plants for phytoremediation process, it is essential to test strategies in the field and have contingency planning. Omics techniques were used for understanding various genetic, hormonal, and metabolic pathways responsible for phytoremediation in soil. Transcriptomics and metabolomics provide useful information as resources to understand the mechanisms behind phytoremediation. This review aims to highlight the integration of transgenic strategies and omics technologies to enhance phytoremediation efficiency, emphasizing the need for field testing and comprehensive planning for successful implementation.
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Affiliation(s)
- Abdullah Al Mamun
- Department of Biotechnology and Genetic Engineering, Faculty of Biological Science, Islamic University, Kushtia, 7003, Bangladesh
| | - M Mizanur Rahman
- Department of Biotechnology and Genetic Engineering, Faculty of Biological Science, Islamic University, Kushtia, 7003, Bangladesh.
| | - Md Amdadul Huq
- Department of Food and Nutrition, College of Biotechnology and Natural Resources, Chung-Ang University, Anseong-si, Gyeonggi-do, 17546, Republic of Korea
| | - Md Mashiar Rahman
- Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - Md Rasel Rana
- Department of Biotechnology and Genetic Engineering, Faculty of Biological Science, Islamic University, Kushtia, 7003, Bangladesh
| | - Shabiha Tasbir Rahman
- Department of Biotechnology and Genetic Engineering, Faculty of Biological Science, Islamic University, Kushtia, 7003, Bangladesh
| | - Mst Lata Khatun
- Department of Biotechnology and Genetic Engineering, Faculty of Biological Science, Islamic University, Kushtia, 7003, Bangladesh
| | - Md Khasrul Alam
- Department of Biotechnology and Genetic Engineering, Faculty of Biological Science, Islamic University, Kushtia, 7003, Bangladesh
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Guo N, Ling H, Yu R, Gao F, Cao Y, Tao J. Expression of Sailx suchowensis SsIRT9 enhances cadmium accumulation and alters metal homeostasis in tobacco. JOURNAL OF HAZARDOUS MATERIALS 2024; 463:132958. [PMID: 37951176 DOI: 10.1016/j.jhazmat.2023.132958] [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: 09/21/2023] [Revised: 10/30/2023] [Accepted: 11/06/2023] [Indexed: 11/13/2023]
Abstract
Cadmium (Cd) contamination in soils is of great concern for plant growth and human health. Willow (Salix spp.) is a promising phytoextractor because of its high biomass production. However, as a non-hyperaccumulator, willow has a low competitive ability in extraction of Cd. Thus, improving Cd concentrations in developing tissues is one of the primary tasks. Here, our study uncovers a novel SsIRT9 gene from Sailx suchowensis which manipulates plant Cd accumulation. SsIRT9 was more highly expressed in willow roots than other SsIRT genes. As a plasma membrane-localized protein, when expressed in yeast, SsIRT9 retarded cell growth more severely than other SsIRT proteins in the presence of Cd. Furthermore, SsIRT9 was cloned and expressed in tobacco and SsIRT9 did not affect plant growth. In hydroponic experiments, SsIRT9 lines displayed higher Cd in the shoots than the wild type. When grown in Cd-contaminated soils, Cd levels in transgenic tobacco increased by 152-364% in roots and by 135-444% in shoots, demonstrating significant superiority in Cd accumulation over other functional IRT/ZIP transporters. Moreover, expressing SsIRT9 in tobacco altered metal homeostasis, especially manganese and zinc. Taken together, we envision that SsIRT9 expression in plants is a promising strategy for upgrading extraction of Cd from soils.
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Affiliation(s)
- Nan Guo
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, Jiangsu, China
| | - Hui Ling
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, Jiangsu, China
| | - Renkui Yu
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, Jiangsu, China
| | - Fei Gao
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, Jiangsu, China
| | - Yue Cao
- School of Environmental Science and Engineering, Guangdong Provincial Key Lab for Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510006, China
| | - Jun Tao
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, Jiangsu, China.
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Pagano A, Gomes C, Timmerman E, Sulima P, Przyborowski JA, Kruszka D, Impens F, Paiva JAP. Revealing the transitory and local effect of zebularine on development and on proteome dynamics of Salix purpurea. FRONTIERS IN PLANT SCIENCE 2024; 14:1304327. [PMID: 38298602 PMCID: PMC10827895 DOI: 10.3389/fpls.2023.1304327] [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: 09/29/2023] [Accepted: 12/19/2023] [Indexed: 02/02/2024]
Abstract
Introduction DNA methylation plays major roles in the epigenetic regulation of gene expression, transposon and transcriptional silencing, and DNA repair, with implications in developmental processes and phenotypic plasticity. Relevantly for woody species, DNA methylation constitutes a regulative layer in cell wall dynamics associated with xylogenesis. The use of methyltransferase and/or demethylase inhibitors has been proven informative to shed light on the methylome dynamics behind the regulation of these processes. Methods The present work employs the cytidine analog zebularine to inhibit DNA methyltransferases and induce DNA hypomethylation in Salix purpurea plantlets grown in vitro and in soil. An integrative approach was adopted to highlight the effects of zebularine on proteomic dynamics, revealing age-specific (3 weeks of in vitro culture and 1 month of growth in soil) and tissue-specific (stem and root) effects. Results and discussion After 3 weeks of recovery from zebularine treatment, a decrease of 5-mC levels was observed in different genomic contexts in the roots of explants that were exposed to zebularine, whereas a functionally heterogeneous subset of protein entries was differentially accumulated in stem samples, including entries related to cell wall biosynthesis, tissue morphogenesis, and hormonal regulation. Significant proteomic remodeling was revealed in the development from in vitro to in-soil culture, but no significant changes in 5-mC levels were observed. The identification of tissue-specific proteomic hallmarks in combination with hypomethylating agents provides new insights into the role of DNA methylation and proteome in early plant development in willow species. Proteomic data are available via ProteomeXchange with identifier PXD045653. WGBS data are available under BioProject accession PRJNA889596.
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Affiliation(s)
- Andrea Pagano
- Department of Integrative Plant Biology, Institute of Plant Genetics, Polish Academy of Sciences, Poznań, Poland
| | - Carolina Gomes
- Department of Integrative Plant Biology, Institute of Plant Genetics, Polish Academy of Sciences, Poznań, Poland
| | - Evy Timmerman
- VIB-UGent Center for Medical Biotechnology, Ghent, Belgium
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium
- VIB Proteomics Core, Ghent, Belgium
| | - Paweł Sulima
- Department of Genetics, Plant Breeding and Bioresource Engineering, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Jerzy Andrzej Przyborowski
- Department of Genetics, Plant Breeding and Bioresource Engineering, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Dariusz Kruszka
- Department of Integrative Plant Biology, Institute of Plant Genetics, Polish Academy of Sciences, Poznań, Poland
| | - Francis Impens
- VIB-UGent Center for Medical Biotechnology, Ghent, Belgium
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium
- VIB Proteomics Core, Ghent, Belgium
| | - Jorge Almiro Pinto Paiva
- Department of Integrative Plant Biology, Institute of Plant Genetics, Polish Academy of Sciences, Poznań, Poland
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Li P, Zhang Y, Liang J, Hu X, He Y, Miao T, Ouyang Z, Yang Z, Amin AK, Ling C, Liu Y, Zhou X, Lv X, Wang R, Liu Y, Huo H, Liu Y, Tang W, Wang S. Agrobacterium rhizogenes-mediated marker-free transformation and gene editing system revealed that AeCBL3 mediates the formation of calcium oxalate crystal in kiwifruit. MOLECULAR HORTICULTURE 2024; 4:1. [PMID: 38167546 PMCID: PMC10759683 DOI: 10.1186/s43897-023-00077-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 12/12/2023] [Indexed: 01/05/2024]
Abstract
The transformation and gene editing of the woody species kiwifruit are difficult and time-consuming. The fast and marker-free genetic modification system for kiwifruit has not been developed yet. Here, we establish a rapid and efficient marker-free transformation and gene editing system mediated by Agrobacterium rhizogenes for kiwifruit. Moreover, a removing-root-tip method was developed to significantly increase the regeneration efficiency of transgenic hairy roots. Through A. rhizogenes-mediated CRISPR/Cas9 gene editing, the editing efficiencies of CEN4 and AeCBL3 achieved 55 and 50%, respectively. And several homozygous knockout lines for both genes were obtained. Our method has been successfully applied in the transformation of two different species of kiwifruit (Actinidia chinensis 'Hongyang' and A.eriantha 'White'). Next, we used the method to study the formation of calcium oxalate (CaOx) crystals in kiwifruit. To date, little is known about how CaOx crystal is formed in plants. Our results indicated that AeCBL3 overexpression enhanced CaOx crystal formation, but its knockout via CRISPR/Cas9 significantly impaired crystal formation in kiwifruit. Together, we developed a fast maker-free transformation and highly efficient CRISPR-Cas9 gene editing system for kiwifruit. Moreover, our work revealed a novel gene mediating CaOx crystal formation and provided a clue to elaborate the underlying mechanisms.
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Affiliation(s)
- Pengwei Li
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Yiling Zhang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Jing Liang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Xufan Hu
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Yan He
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Tonghao Miao
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Zhiyin Ouyang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Zuchi Yang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Abdul Karim Amin
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Chengcheng Ling
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Yize Liu
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Xiuhong Zhou
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Xiaoran Lv
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Runze Wang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Yajing Liu
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Heqiang Huo
- Mid-Florida Research and Education Center, University of Florida, Institute of Food and Agricultural Sciences, Apopka, FL, 32703, USA
| | - Yongsheng Liu
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Wei Tang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China.
| | - Songhu Wang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China.
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Ying W, Wen G, Xu W, Liu H, Ding W, Zheng L, He Y, Yuan H, Yan D, Cui F, Huang J, Zheng B, Wang X. Agrobacterium rhizogenes: paving the road to research and breeding for woody plants. FRONTIERS IN PLANT SCIENCE 2023; 14:1196561. [PMID: 38034586 PMCID: PMC10682722 DOI: 10.3389/fpls.2023.1196561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 10/20/2023] [Indexed: 12/02/2023]
Abstract
Woody plants play a vital role in global ecosystems and serve as valuable resources for various industries and human needs. While many woody plant genomes have been fully sequenced, gene function research and biotechnological breeding advances have lagged behind. As a result, only a limited number of genes have been elucidated, making it difficult to use newer tools such as CRISPR-Cas9 for biotechnological breeding purposes. The use of Agrobacterium rhizogenes as a transformative tool in plant biotechnology has received considerable attention in recent years, particularly in the research field on woody plants. Over the past three decades, numerous woody plants have been effectively transformed using A. rhizogenes-mediated techniques. Some of these transformed plants have successfully regenerated. Recent research on A. rhizogenes-mediated transformation of woody plants has demonstrated its potential for various applications, including gene function analysis, gene expression profiling, gene interaction studies, and gene regulation analysis. The introduction of the Ri plasmid has resulted in the emergence of several Ri phenotypes, such as compact plant types, which can be exploited for Ri breeding purposes. This review paper presents recent advances in A. rhizogenes-mediated basic research and Ri breeding in woody plants. This study highlights various aspects of A. rhizogenes-mediated transformation, its multiple applications in gene function analysis, and the potential of Ri lines as valuable breeding materials.
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Affiliation(s)
- Wei Ying
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, Zhejiang, China
| | - Guangchao Wen
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, Zhejiang, China
| | - Wenyuan Xu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, Zhejiang, China
| | - Haixia Liu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, Zhejiang, China
| | - Wona Ding
- College of Science and Technology, Ningbo University, Ningbo, Zhejiang, China
| | - Luqing Zheng
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Yi He
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, Zhejiang, China
| | - Huwei Yuan
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, Zhejiang, China
| | - Daoliang Yan
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, Zhejiang, China
| | - Fuqiang Cui
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, Zhejiang, China
| | - Jianqin Huang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
| | - Bingsong Zheng
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, Zhejiang, China
| | - Xiaofei Wang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, Zhejiang, China
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Cardi T, Murovec J, Bakhsh A, Boniecka J, Bruegmann T, Bull SE, Eeckhaut T, Fladung M, Galovic V, Linkiewicz A, Lukan T, Mafra I, Michalski K, Kavas M, Nicolia A, Nowakowska J, Sági L, Sarmiento C, Yıldırım K, Zlatković M, Hensel G, Van Laere K. CRISPR/Cas-mediated plant genome editing: outstanding challenges a decade after implementation. TRENDS IN PLANT SCIENCE 2023; 28:1144-1165. [PMID: 37331842 DOI: 10.1016/j.tplants.2023.05.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 05/09/2023] [Accepted: 05/15/2023] [Indexed: 06/20/2023]
Abstract
The discovery of the CRISPR/Cas genome-editing system has revolutionized our understanding of the plant genome. CRISPR/Cas has been used for over a decade to modify plant genomes for the study of specific genes and biosynthetic pathways as well as to speed up breeding in many plant species, including both model and non-model crops. Although the CRISPR/Cas system is very efficient for genome editing, many bottlenecks and challenges slow down further improvement and applications. In this review we discuss the challenges that can occur during tissue culture, transformation, regeneration, and mutant detection. We also review the opportunities provided by new CRISPR platforms and specific applications related to gene regulation, abiotic and biotic stress response improvement, and de novo domestication of plants.
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Affiliation(s)
- Teodoro Cardi
- Consiglio Nazionale delle Ricerche (CNR), Institute of Biosciences and Bioresources (IBBR), Portici, Italy; CREA Research Centre for Vegetable and Ornamental Crops, Pontecagnano, Italy
| | - Jana Murovec
- University of Ljubljana, Biotechnical Faculty, Ljubljana, Slovenia
| | - Allah Bakhsh
- Department of Agricultural Genetic Engineering, Faculty of Agricultural Sciences and Technologies, Nigde Omer Halisdemir University, Nigde, Turkey; Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Justyna Boniecka
- Department of Genetics, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Toruń, Poland; Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University, Toruń, Poland
| | | | - Simon E Bull
- Molecular Plant Breeding, Institute of Agricultural Sciences, Eidgenössische Technische Hochschule (ETH) Zurich, Switzerland; Plant Biochemistry, Institute of Molecular Plant Biology, ETH, Zurich, Switzerland
| | - Tom Eeckhaut
- Flanders Research Institute for Agricultural, Fisheries and Food, Melle, Belgium
| | | | - Vladislava Galovic
- University of Novi Sad, Institute of Lowland Forestry and Environment (ILFE), Novi Sad, Serbia
| | - Anna Linkiewicz
- Molecular Biology and Genetics Department, Institute of Biological Sciences, Faculty of Biology and Environmental Sciences, Cardinal Stefan Wyszyński University, Warsaw, Poland
| | - Tjaša Lukan
- National Institute of Biology, Department of Biotechnology and Systems Biology, Ljubljana, Slovenia
| | - Isabel Mafra
- Rede de Química e Tecnologia (REQUIMTE) Laboratório Associado para a Química Verde (LAQV), Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - Krzysztof Michalski
- Plant Breeding and Acclimatization Institute, National Research Institute, Błonie, Poland
| | - Musa Kavas
- Department of Molecular Biology and Genetics, Faculty of Science, Ondokuz Mayis University, Samsun, Turkey
| | - Alessandro Nicolia
- CREA Research Centre for Vegetable and Ornamental Crops, Pontecagnano, Italy
| | - Justyna Nowakowska
- Molecular Biology and Genetics Department, Institute of Biological Sciences, Faculty of Biology and Environmental Sciences, Cardinal Stefan Wyszyński University, Warsaw, Poland
| | - Laszlo Sági
- Centre for Agricultural Research, Loránd Eötvös Research Network, Martonvásár, Hungary
| | - Cecilia Sarmiento
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
| | - Kubilay Yıldırım
- Department of Molecular Biology and Genetics, Faculty of Science, Ondokuz Mayis University, Samsun, Turkey
| | - Milica Zlatković
- University of Novi Sad, Institute of Lowland Forestry and Environment (ILFE), Novi Sad, Serbia
| | - Goetz Hensel
- Heinrich-Heine-University, Institute of Plant Biochemistry, Centre for Plant Genome Engineering, Düsseldorf, Germany; Division of Molecular Biology, Centre of the Region Hana for Biotechnological and Agriculture Research, Faculty of Science, Palacký University, Olomouc, Czech Republic
| | - Katrijn Van Laere
- Flanders Research Institute for Agricultural, Fisheries and Food, Melle, Belgium.
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Zhou L, Wang Y, Wang P, Wang C, Wang J, Wang X, Cheng H. Highly efficient Agrobacterium rhizogenes-mediated hairy root transformation for gene editing analysis in cotton. FRONTIERS IN PLANT SCIENCE 2022; 13:1059404. [PMID: 36643290 PMCID: PMC9832336 DOI: 10.3389/fpls.2022.1059404] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
CRIPSR/Cas9 gene editing system is an effective tool for genome modification in plants. Multiple target sites are usually designed and the effective target sites are selected for editing. Upland cotton (Gossypium hirsutum L., hereafter cotton) is allotetraploid and is commonly considered as difficult and inefficient to transform, it is important to select the effective target sites that could result in the ideal transgenic plants with the CRISPR-induced mutations. In this study, Agrobacterium rhizogenes-mediated hairy root method was optimized to detect the feasibility of the target sites designed in cotton phytoene desaturase (GhPDS) gene. A. rhizogenes showed the highest hairy root induction (30%) when the bacteria were cultured until OD600 reached to 0.8. This procedure was successfully applied to induce hairy roots in the other three cultivars (TM-1, Lumian-21, Zhongmian-49) and the mutations were detected in GhPDS induced by CRISPR/Cas9 system. Different degrees of base deletions at two sgRNAs (sgRNA5 and sgRNA10) designed in GhPDS were detected in R15 hairy roots. Furthermore, we obtained an albino transgenic cotton seeding containing CRISPR/Cas9-induced gene editing mutations in sgRNA10. The hairy root transformation system established in this study is sufficient for selecting sgRNAs in cotton, providing a technical basis for functional genomics research of cotton.
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Affiliation(s)
- Lili Zhou
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yali Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Peilin Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Chunling Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jiamin Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xingfen Wang
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, China
| | - Hongmei Cheng
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya, China
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8
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Hyden B, Yuan G, Liu Y, Smart LB, Tuskan GA, Yang X. Protoplast-Based Transient Expression and Gene Editing in Shrub Willow ( Salix purpurea L.). PLANTS (BASEL, SWITZERLAND) 2022; 11:3490. [PMID: 36559601 PMCID: PMC9784668 DOI: 10.3390/plants11243490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 11/30/2022] [Accepted: 12/10/2022] [Indexed: 06/17/2023]
Abstract
Shrub willows (Salix section Vetrix) are grown as a bioenergy crop in multiple countries and as ornamentals across the northern hemisphere. To facilitate the breeding and genetic advancement of shrub willow, there is a strong interest in the characterization and functional validation of genes involved in plant growth and biomass production. While protocols for shoot regeneration in tissue culture and production of stably transformed lines have greatly advanced this research in the closely related genus Populus, a lack of efficient methods for regeneration and transformation has stymied similar advancements in willow functional genomics. Moreover, transient expression assays in willow have been limited to callus tissue and hairy root systems. Here we report an efficient method for protoplast isolation from S. purpurea leaf tissue, along with transient overexpression and CRISPR-Cas9 mediated mutations. This is the first such report of transient gene expression in Salix protoplasts as well as the first application of CRISPR technology in this genus. These new capabilities pave the way for future functional genomics studies in this important bioenergy and ornamental crop.
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Affiliation(s)
- Brennan Hyden
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
- School of Integrative Plant Sciences, Cornell AgriTech, Cornell University, Geneva, NY 14456, USA
| | - Guoliang Yuan
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
| | - Yang Liu
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
| | - Lawrence B. Smart
- School of Integrative Plant Sciences, Cornell AgriTech, Cornell University, Geneva, NY 14456, USA
| | - Gerald A. Tuskan
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
| | - Xiaohan Yang
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
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9
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Huang P, Lu M, Li X, Sun H, Cheng Z, Miao Y, Fu Y, Zhang X. An Efficient Agrobacterium rhizogenes-Mediated Hairy Root Transformation Method in a Soybean Root Biology Study. Int J Mol Sci 2022; 23:ijms232012261. [PMID: 36293115 PMCID: PMC9603872 DOI: 10.3390/ijms232012261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022] Open
Abstract
The stable genetic transformation of soybean is time-consuming and inefficient. As a simple and practical alternative method, hairy root transformation mediated by Agrobacterium rhizogenes is widely applied in studying root-specific processes, nodulation, biochemical and molecular functions of genes of interest, gene editing efficiency of CRISPR/Cas9, and biological reactors and producers. Therefore, many laboratories have developed unique protocols to obtain hairy roots in composite plants composed of transgenic roots and wild-type shoots. However, these protocols still suffer from the shortcomings of low efficiency and time, space, and cost consumption. To address this issue, we developed a new protocol efficient regeneration and transformation of hairy roots (eR&T) in soybean, by integrating and optimizing the main current methods to achieve high efficiency in both hairy root regeneration and transformation within a shorter period and using less space. By this eR&T method, we obtained 100% regeneration of hairy roots for all explants, with an average 63.7% of transformation frequency, which promoted the simultaneous and comparative analysis of the function of several genes. The eR&T was experimentally verified Promoter:GUS reporters, protein subcellular localization, and CRISPR/Cas9 gene editing experiments. Employing this approach, we identified several novel potential regulators of nodulation, and nucleoporins of the Nup107-160 sub-complex, which showed development-dependent and tissue-dependent expression patterns, indicating their important roles in nodulation in soybean. Thus, the new eR&T method is an efficient and economical approach for investigating not only root and nodule biology, but also gene function.
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Affiliation(s)
- Penghui Huang
- Moa Key Lab of Soybean Biology (Beijing), National Key Facility of Crop Gene Resource and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Mingyang Lu
- The Key Laboratory of Plant Resources Conservation and Germplasm Innovation in the Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, Guizhou University, Guiyang 550025, China
| | - Xiangbei Li
- College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China
| | - Huiyu Sun
- Moa Key Lab of Soybean Biology (Beijing), National Key Facility of Crop Gene Resource and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Zhiyuan Cheng
- CAS Key Laboratory of Soybean Molecular Design Breeding, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
| | - Yuchen Miao
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Yongfu Fu
- Moa Key Lab of Soybean Biology (Beijing), National Key Facility of Crop Gene Resource and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Correspondence: (Y.F.); (X.Z.)
| | - Xiaomei Zhang
- Moa Key Lab of Soybean Biology (Beijing), National Key Facility of Crop Gene Resource and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Correspondence: (Y.F.); (X.Z.)
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Yuan G, Lu H, Tang D, Hassan MM, Li Y, Chen JG, Tuskan GA, Yang X. Expanding the application of a UV-visible reporter for transient gene expression and stable transformation in plants. HORTICULTURE RESEARCH 2021; 8:234. [PMID: 34719678 PMCID: PMC8558336 DOI: 10.1038/s41438-021-00663-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/25/2021] [Accepted: 08/01/2021] [Indexed: 05/08/2023]
Abstract
Green fluorescent protein (GFP) has been widely used for monitoring gene expression and protein localization in diverse organisms. However, highly sensitive imaging equipment, like fluorescence microscope, is usually required for the visualization of GFP, limitings its application to fixed locations in samples. A reporter that can be visualized in real-time regardless the shape, size and location of the target samples will increase the flexibility and efficiency of research work. Here, we report the application of a GFP-like protein, called eYGFPuv, in both transient expression and stable transformation, in two herbaceous plant species (Arabidopsis and tobacco) and two woody plant species (poplar and citrus). We observed bright fluorescence under UV light in all of the four plant species without any effects on plant growth or development. eYGFPuv was shown to be effective for imaging transient expression in leaf and root tissues. With a focus on in vitro transformation, we demonstrated that the transgenic events expressing 1x eYGFPuv could be easily identified visually during the callus stage and the shoot stage, enabling early and efficient selection of transformants. Furthermore, whole-plant level visualization of eYGFPuv revealed its ubiquitous stability in transgenic plants. In addition, our transformation experiments showed that eYGFPuv can also be used to select transgenic plants without antibiotics. This work demonstrates the feasibility of utilizing 1x eYGFPuv in studies of gene expression and plant transformation in diverse plants.
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Affiliation(s)
- Guoliang Yuan
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
| | - Haiwei Lu
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
| | - Dan Tang
- Department of Plant Science and Landscape Architecture, University of Connecticut, Storrs, CT, 06269, USA
- National Center for Citrus Improvement, College of Horticulture, Hunan Agricultural University, Changsha, 410128, Hunan, China
| | - Md Mahmudul Hassan
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
- Department of Genetics and Plant Breeding, Patuakhali Science and Technology University, Dumki, Patuakhali, 8602, Bangladesh
| | - Yi Li
- Department of Plant Science and Landscape Architecture, University of Connecticut, Storrs, CT, 06269, USA
| | - Jin-Gui Chen
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
| | - Gerald A Tuskan
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA.
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA.
| | - Xiaohan Yang
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA.
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA.
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Qin Y, Wang D, Fu J, Zhang Z, Qin Y, Hu G, Zhao J. Agrobacterium rhizogenes-mediated hairy root transformation as an efficient system for gene function analysis in Litchi chinensis. PLANT METHODS 2021; 17:103. [PMID: 34627322 PMCID: PMC8502350 DOI: 10.1186/s13007-021-00802-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 09/26/2021] [Indexed: 05/31/2023]
Abstract
BACKGROUND Litchi chinensis Sonn. is an economically important fruit tree in tropical and subtropical regions. However, litchi functional genomics is severely hindered due to its recalcitrance to regeneration and stable transformation. Agrobacterium rhizogenes-mediated hairy root transgenic system provide an alternative to study functional genomics in woody plants. However, the hairy root transgenic system has not been established in litchi. RESULTS In this study, we report a rapid and highly efficient A. rhizogenes-mediated co-transformation system in L. chinensis using Green Fluorescent Protein (GFP) gene as a marker. Both leaf discs and stem segments of L. chinensis cv. 'Fenhongguiwei' seedlings were able to induce transgenic hairy roots. The optimal procedure involved the use of stem segments as explants, infection by A. rhizogenes strain MSU440 at optical density (OD600) of 0.7 for 10 min and co-cultivation for 3 days, with a co-transformation efficiency of 9.33%. Furthermore, the hairy root transgenic system was successfully used to validate the function of the key anthocyanin regulatory gene LcMYB1 in litchi. Over-expression of LcMYB1 produced red hairy roots, which accumulated higher contents of anthocyanins, proanthocyanins, and flavonols. Additionally, the genes involving in the flavonoid pathway were strongly activated in the red hairy roots. CONCLUSION We first established a rapid and efficient transformation system for the study of gene function in hairy roots of litchi using A. rhizogenes strain MSU440 by optimizing parameters. This hairy root transgenic system was effective for gene function analysis in litchi using the key anthocyanin regulator gene LcMYB1 as an example.
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Affiliation(s)
- Yaqi Qin
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources/Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs/Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Dan Wang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources/Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs/Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Jiaxin Fu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources/Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs/Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Zhike Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources/Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs/Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Yonghua Qin
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources/Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs/Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Guibing Hu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources/Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs/Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou, China.
| | - Jietang Zhao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources/Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs/Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou, China.
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Yu S, Bekkering CS, Tian L. Metabolic engineering in woody plants: challenges, advances, and opportunities. ABIOTECH 2021; 2:299-313. [PMID: 36303882 PMCID: PMC9590576 DOI: 10.1007/s42994-021-00054-1] [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: 04/01/2021] [Accepted: 06/06/2021] [Indexed: 06/16/2023]
Abstract
Woody plant species represent an invaluable reserve of biochemical diversity to which metabolic engineering can be applied to satisfy the need for commodity and specialty chemicals, pharmaceuticals, and renewable energy. Woody plants are particularly promising for this application due to their low input needs, high biomass, and immeasurable ecosystem services. However, existing challenges have hindered their widespread adoption in metabolic engineering efforts, such as long generation times, large and highly heterozygous genomes, and difficulties in transformation and regeneration. Recent advances in omics approaches, systems biology modeling, and plant transformation and regeneration methods provide effective approaches in overcoming these outstanding challenges. Promises brought by developments in this space are steadily opening the door to widespread metabolic engineering of woody plants to meet the global need for a wide range of sustainably sourced chemicals and materials.
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Affiliation(s)
- Shu Yu
- Department of Plant Sciences, Mail Stop 3, University of California, Davis, CA 95616 USA
| | - Cody S. Bekkering
- Department of Plant Sciences, Mail Stop 3, University of California, Davis, CA 95616 USA
| | - Li Tian
- Department of Plant Sciences, Mail Stop 3, University of California, Davis, CA 95616 USA
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13
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Berhe M, Dossa K, You J, Mboup PA, Diallo IN, Diouf D, Zhang X, Wang L. Genome-wide association study and its applications in the non-model crop Sesamum indicum. BMC PLANT BIOLOGY 2021; 21:283. [PMID: 34157965 PMCID: PMC8218510 DOI: 10.1186/s12870-021-03046-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 05/17/2021] [Indexed: 05/05/2023]
Abstract
BACKGROUND Sesame is a rare example of non-model and minor crop for which numerous genetic loci and candidate genes underlying features of interest have been disclosed at relatively high resolution. These progresses have been achieved thanks to the applications of the genome-wide association study (GWAS) approach. GWAS has benefited from the availability of high-quality genomes, re-sequencing data from thousands of genotypes, extensive transcriptome sequencing, development of haplotype map and web-based functional databases in sesame. RESULTS In this paper, we reviewed the GWAS methods, the underlying statistical models and the applications for genetic discovery of important traits in sesame. A novel online database SiGeDiD ( http://sigedid.ucad.sn/ ) has been developed to provide access to all genetic and genomic discoveries through GWAS in sesame. We also tested for the first time, applications of various new GWAS multi-locus models in sesame. CONCLUSIONS Collectively, this work portrays steps and provides guidelines for efficient GWAS implementation in sesame, a non-model crop.
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Affiliation(s)
- Muez Berhe
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, and Rural Affairs, No.2 Xudong 2nd Road, Wuhan, 430062, China
- Humera Agricultural Research Center of Tigray Agricultural Research Institute, Humera, Tigray, Ethiopia
| | - Komivi Dossa
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, and Rural Affairs, No.2 Xudong 2nd Road, Wuhan, 430062, China.
- Laboratoire Campus de Biotechnologies Végétales, Département de Biologie Végétale, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, BP 5005 Dakar-Fann, 10700, Dakar, Senegal.
- Laboratory of Genetics, Horticulture and Seed Sciences, Faculty of Agronomic Sciences, University of Abomey-Calavi, 01 BP 526, Cotonou, Republic of Benin.
| | - Jun You
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, and Rural Affairs, No.2 Xudong 2nd Road, Wuhan, 430062, China
| | - Pape Adama Mboup
- Département de Mathématiques et Informatique, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, BP 5005 Dakar-Fann, 10700, Dakar, Senegal
| | - Idrissa Navel Diallo
- Laboratoire Campus de Biotechnologies Végétales, Département de Biologie Végétale, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, BP 5005 Dakar-Fann, 10700, Dakar, Senegal
- Département de Mathématiques et Informatique, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, BP 5005 Dakar-Fann, 10700, Dakar, Senegal
| | - Diaga Diouf
- Laboratoire Campus de Biotechnologies Végétales, Département de Biologie Végétale, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, BP 5005 Dakar-Fann, 10700, Dakar, Senegal
| | - Xiurong Zhang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, and Rural Affairs, No.2 Xudong 2nd Road, Wuhan, 430062, China
| | - Linhai Wang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, and Rural Affairs, No.2 Xudong 2nd Road, Wuhan, 430062, China.
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WUSCHEL Overexpression Promotes Callogenesis and Somatic Embryogenesis in Medicago truncatula Gaertn. PLANTS 2021; 10:plants10040715. [PMID: 33917135 PMCID: PMC8067838 DOI: 10.3390/plants10040715] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 03/30/2021] [Accepted: 04/02/2021] [Indexed: 12/15/2022]
Abstract
The induction of plant somatic embryogenesis is often a limiting step for plant multiplication and genetic manipulation in numerous crops. It depends on multiple signaling developmental processes involving phytohormones and the induction of specific genes. The WUSCHEL gene (WUS) is required for the production of plant embryogenic stem cells. To explore a different approach to induce somatic embryogenesis, we have investigated the effect of the heterologous ArabidopsisWUS gene overexpression under the control of the jasmonate responsive vsp1 promoter on the morphogenic responses of Medicago truncatula explants. WUS expression in leaf explants increased callogenesis and embryogenesis in the absence of growth regulators. Similarly, WUS expression enhanced the embryogenic potential of hairy root fragments. The WUS gene represents thus a promising tool to develop plant growth regulator-free regeneration systems or to improve regeneration and transformation efficiency in recalcitrant crops.
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Garagounis C, Beritza K, Georgopoulou ME, Sonawane P, Haralampidis K, Goossens A, Aharoni A, Papadopoulou KK. A hairy-root transformation protocol for Trigonella foenum-graecum L. as a tool for metabolic engineering and specialised metabolite pathway elucidation. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 154:451-462. [PMID: 32659648 DOI: 10.1016/j.plaphy.2020.06.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 06/04/2020] [Accepted: 06/06/2020] [Indexed: 06/11/2023]
Abstract
The development of genetic transformation methods is critical for enabling the thorough characterization of an organism and is a key step in exploiting any species as a platform for synthetic biology and metabolic engineering approaches. In this work we describe the development of an Agrobacterium rhizogenes-mediated hairy root transformation protocol for the crop and medicinal legume fenugreek (Trigonella foenum-graecum). Fenugreek has a rich and diverse content in bioactive specialised metabolites, notably diosgenin, which is a common precursor for synthetic human hormone production. This makes fenugreek a prime target for identification and engineering of specific biosynthetic pathways for the production of triterpene and steroidal saponins, phenolics, and galactomanans. Through this transformation protocol, we identified a suitable promoter for robust transgene expression in fenugreek. Finally, we establish the proof of principle for the utility of the fenugreek system for metabolic engineering programs, by heterologous expression of known triterpene saponin biosynthesis regulators from the related legume Medicago truncatula in fenugreek hairy roots.
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Affiliation(s)
- Constantine Garagounis
- Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, University of Thessaly, Biopolis, 41500, Larissa, Greece.
| | - Konstantina Beritza
- Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, University of Thessaly, Biopolis, 41500, Larissa, Greece
| | - Maria-Eleni Georgopoulou
- Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, University of Thessaly, Biopolis, 41500, Larissa, Greece
| | - Prashant Sonawane
- Faculty of Biochemistry, Department of Plant Sciences, Weizmann Institute of Science, 7610001, Rehovot, Israel
| | - Kosmas Haralampidis
- Faculty of Botany, Department of Biology, National and Kapodistrian University of Athens, 15701, Athens, Greece
| | - Alain Goossens
- Ghent University, Department of Plant Biotechnology and Bioinformatics, 9052, Ghent, Belgium; VIB-UGent Center for Plant Systems Biology, 9052, Ghent, Belgium
| | - Asaph Aharoni
- Faculty of Biochemistry, Department of Plant Sciences, Weizmann Institute of Science, 7610001, Rehovot, Israel
| | - Kalliope K Papadopoulou
- Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, University of Thessaly, Biopolis, 41500, Larissa, Greece
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Yu Y, Xuan Y, Bian X, Zhang L, Pan Z, Kou M, Cao Q, Tang Z, Li Q, Ma D, Li Z, Sun J. Overexpression of phosphatidylserine synthase IbPSS1 affords cellular Na + homeostasis and salt tolerance by activating plasma membrane Na +/H + antiport activity in sweet potato roots. HORTICULTURE RESEARCH 2020; 7:131. [PMID: 32821414 PMCID: PMC7395154 DOI: 10.1038/s41438-020-00358-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/28/2020] [Accepted: 06/03/2020] [Indexed: 05/21/2023]
Abstract
Phosphatidylserine synthase (PSS)-mediated phosphatidylserine (PS) synthesis is crucial for plant development. However, little is known about the contribution of PSS to Na+ homeostasis regulation and salt tolerance in plants. Here, we cloned the IbPSS1 gene, which encodes an ortholog of Arabidopsis AtPSS1, from sweet potato (Ipomoea batatas (L.) Lam.). The transient expression of IbPSS1 in Nicotiana benthamiana leaves increased PS abundance. We then established an efficient Agrobacterium rhizogenes-mediated in vivo root transgenic system for sweet potato. Overexpression of IbPSS1 through this system markedly decreased cellular Na+ accumulation in salinized transgenic roots (TRs) compared with adventitious roots. The overexpression of IbPSS1 enhanced salt-induced Na+/H+ antiport activity and increased plasma membrane (PM) Ca2+-permeable channel sensitivity to NaCl and H2O2 in the TRs. We confirmed the important role of IbPSS1 in improving salt tolerance in transgenic sweet potato lines obtained from an Agrobacterium tumefaciens-mediated transformation system. Similarly, compared with the wild-type (WT) plants, the transgenic lines presented decreased Na+ accumulation, enhanced Na+ exclusion, and increased PM Ca2+-permeable channel sensitivity to NaCl and H2O2 in the roots. Exogenous application of lysophosphatidylserine triggered similar shifts in Na+ accumulation and Na+ and Ca2+ fluxes in the salinized roots of WT. Overall, this study provides an efficient and reliable transgenic method for functional genomic studies of sweet potato. Our results revealed that IbPSS1 contributes to the salt tolerance of sweet potato by enabling Na+ homeostasis and Na+ exclusion in the roots, and the latter process is possibly controlled by PS reinforcing Ca2+ signaling in the roots.
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Affiliation(s)
- Yicheng Yu
- Jiangsu Key Laboratory of Phylogenomics and Comparative Genomics, School of Life Sciences, Jiangsu Normal University, 221116 Xuzhou, Jiangsu China
| | - Ying Xuan
- Jiangsu Key Laboratory of Phylogenomics and Comparative Genomics, School of Life Sciences, Jiangsu Normal University, 221116 Xuzhou, Jiangsu China
| | - Xiaofeng Bian
- Institute of Food Crops, Provincial Key Laboratory of Agrobiology, Jiangsu Academy of Agricultural Sciences, 210014 Nanjing, China
| | - Lei Zhang
- Jiangsu Key Laboratory of Phylogenomics and Comparative Genomics, School of Life Sciences, Jiangsu Normal University, 221116 Xuzhou, Jiangsu China
| | - Zhiyuan Pan
- Jiangsu Key Laboratory of Phylogenomics and Comparative Genomics, School of Life Sciences, Jiangsu Normal University, 221116 Xuzhou, Jiangsu China
| | - Meng Kou
- Jiangsu Key Laboratory of Phylogenomics and Comparative Genomics, School of Life Sciences, Jiangsu Normal University, 221116 Xuzhou, Jiangsu China
- Xuzhou Institute of Agricultural Sciences in Jiangsu Xuhuai District, 221131 Xuzhou, Jiangsu Province China
| | - Qinghe Cao
- Xuzhou Institute of Agricultural Sciences in Jiangsu Xuhuai District, 221131 Xuzhou, Jiangsu Province China
| | - Zhonghou Tang
- Xuzhou Institute of Agricultural Sciences in Jiangsu Xuhuai District, 221131 Xuzhou, Jiangsu Province China
| | - Qiang Li
- Xuzhou Institute of Agricultural Sciences in Jiangsu Xuhuai District, 221131 Xuzhou, Jiangsu Province China
| | - Daifu Ma
- Xuzhou Institute of Agricultural Sciences in Jiangsu Xuhuai District, 221131 Xuzhou, Jiangsu Province China
| | - Zongyun Li
- Jiangsu Key Laboratory of Phylogenomics and Comparative Genomics, School of Life Sciences, Jiangsu Normal University, 221116 Xuzhou, Jiangsu China
| | - Jian Sun
- Jiangsu Key Laboratory of Phylogenomics and Comparative Genomics, School of Life Sciences, Jiangsu Normal University, 221116 Xuzhou, Jiangsu China
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