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Chen Y, He Q, Shen S, Wang Z, Xing H, Feng R, Wu Y, Zhang J, Wang B, Li QX. Nanobody Mediated Atrazine Resistance in Plants. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:16368-16377. [PMID: 38979948 DOI: 10.1021/acs.jafc.4c00717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
In planta expression of recombinant antibodies has been proposed as a strategy for herbicide resistance but is not well advanced yet. Here, an atrazine nanobody gene fused with a green fluorescent protein tag was transformed to Arabidopsis thaliana, which was confirmed with PCR, ELISA, and immunoblotting. High levels of nanobody accumulation were observed in the nucleus, cytoderm, and cytosol. The nanobody expressed in the plant had similar affinity, sensitivity, and selectivity as that expressed in Escherichia coli. The T3 homozygous line showed resistance in a dose-dependent manner up to 380 g ai/ha of atrazine, which is approximately one-third of the recommended field application rate. This is the first report of utilizing a nanobody in plants against herbicides. The results suggest that utilizing a high-affinity herbicide nanobody gene rather than increasing the expression of nanobodies in plants may be a technically viable approach to acquire commercial herbicide-resistant crops and could be a useful tool to study plant physiology.
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Affiliation(s)
- Yujie Chen
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Qingqing He
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Simin Shen
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Zhaoxiang Wang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100193, China
- College of Life Sciences, Capital Normal University, Beijing 100089, China
| | - Haiyan Xing
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Rui Feng
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Yixuan Wu
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Jiaqi Zhang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Baomin Wang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Qing X Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
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De Meyer T, Arcalis E, Melnik S, Maleux K, Nolf J, Altmann F, Depicker A, Stöger E. Seed-produced anti-globulin VHH-Fc antibodies retrieve globulin precursors in the insoluble fraction and modulate the Arabidopsis thaliana seed subcellular morphology. PLANT MOLECULAR BIOLOGY 2020; 103:597-608. [PMID: 32346812 DOI: 10.1007/s11103-020-01007-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 04/15/2020] [Indexed: 06/11/2023]
Abstract
Nanobody-heavy chain (VHH-Fc) antibody formats have the potential to immunomodulate even highly accumulating proteins and provide a valuable tool to experimentally modulate the subcellular distribution of seed storage proteins. Recombinant antibodies often obtain high accumulation levels in plants, and thus, besides being the actual end-product, antibodies targeting endogenous host proteins can be used to interfere with the localization and functioning of their corresponding antigens. Here, we compared the effect of a seed-expressed nanobody-heavy chain (VHH-Fc) antibody against the highly abundant Arabidopsis thaliana globulin seed storage protein cruciferin with that of a VHH-Fc antibody without endogenous target. Both antibodies reached high accumulation levels of around 10% of total soluble protein, but strikingly, another significant part was present in the insoluble protein fraction and was recovered only after extraction under denaturing conditions. In seeds containing the anti-cruciferin antibodies but not the antibody without endogenous target, the amount of soluble, processed globulin subunits was severely reduced and a major part of the cruciferin molecules was found as precursor in the insoluble fraction. Moreover, in these seeds, aberrant vacuolar phenotypes were observed that were different from the effects caused by the depletion of globulins in knock-out seeds. Remarkably, the seeds with strongly reduced globulin amounts are fully viable and germinate with frequencies similar to wild type, illustrating how flexible seeds can retrieve amino acids from the stored proteins to start germination.
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Affiliation(s)
- Thomas De Meyer
- VIB Center for Plant Systems Biology, 9052, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
| | - Elsa Arcalis
- Department of Applied Genetics and Cell Biology, BOKU University of Natural Resources and Life Sciences, Vienna, Austria
| | - Stanislav Melnik
- Department of Applied Genetics and Cell Biology, BOKU University of Natural Resources and Life Sciences, Vienna, Austria
| | - Katrien Maleux
- VIB Center for Plant Systems Biology, 9052, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
| | - Jonah Nolf
- VIB Center for Plant Systems Biology, 9052, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
| | - Friedrich Altmann
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Ann Depicker
- VIB Center for Plant Systems Biology, 9052, Ghent, Belgium.
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium.
| | - Eva Stöger
- Department of Applied Genetics and Cell Biology, BOKU University of Natural Resources and Life Sciences, Vienna, Austria.
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Gelová Z, Ten Hoopen P, Novák O, Motyka V, Pernisová M, Dabravolski S, Didi V, Tillack I, Okleštková J, Strnad M, Hause B, Haruštiaková D, Conrad U, Janda L, Hejátko J. Antibody-mediated modulation of cytokinins in tobacco: organ-specific changes in cytokinin homeostasis. JOURNAL OF EXPERIMENTAL BOTANY 2018; 69:441-454. [PMID: 29294075 DOI: 10.1093/jxb/erx426] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 11/06/2017] [Indexed: 05/20/2023]
Abstract
Cytokinins comprise a group of phytohormones with an organ-specific mode of action. Although the mechanisms controlling the complex networks of cytokinin metabolism are partially known, the role of individual cytokinin types in the maintenance of cytokinin homeostasis remains unclear. Utilizing the overproduction of single-chain Fv antibodies selected for their ability to bind trans-zeatin riboside and targeted to the endoplasmic reticulum, we post-synthetically modulated cytokinin ribosides, the proposed transport forms of cytokinins. We observed asymmetric activity of cytokinin biosynthetic genes and cytokinin distribution in wild-type tobacco seedlings with higher cytokinin abundance in the root than in the shoot. Antibody-mediated modulation of cytokinin ribosides further enhanced the relative cytokinin abundance in the roots and induced cytokinin-related phenotypes in an organ-specific manner. The activity of cytokinin oxidase/dehydrogenase in the roots was strongly up-regulated in response to antibody-mediated formation of the cytokinin pool in the endoplasmic reticulum. However, we only detected a slight decrease in the root cytokinin levels. In contrast, a significant decrease of cytokinins occurred in the shoot. We suggest the roots as the main site of cytokinin biosynthesis in tobacco seedlings. Conversely, cytokinin levels in the shoot seem to depend largely on long-range transport of cytokinin ribosides from the root and their subsequent metabolic activation.
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Affiliation(s)
- Zuzana Gelová
- CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic
- Laboratory of Functional Genomics and Proteomics, National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Petra Ten Hoopen
- European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Ondrej Novák
- Laboratory of Growth Regulators, Centre of the Region Haná for Biotechnological and Agricultural Research, Institute of Experimental Botany ASCR & Palacký University, Olomouc, Czech Republic
| | - Václav Motyka
- Institute of Experimental Botany, Czech Academy of Sciences, Prague, Czech Republic
| | - Markéta Pernisová
- CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic
- Laboratory of Functional Genomics and Proteomics, National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Siarhei Dabravolski
- CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Vojtech Didi
- CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Isolde Tillack
- Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, Stadt Seeland, Germany
| | - Jana Okleštková
- Laboratory of Growth Regulators, Centre of the Region Haná for Biotechnological and Agricultural Research, Institute of Experimental Botany ASCR & Palacký University, Olomouc, Czech Republic
| | - Miroslav Strnad
- Laboratory of Growth Regulators, Centre of the Region Haná for Biotechnological and Agricultural Research, Institute of Experimental Botany ASCR & Palacký University, Olomouc, Czech Republic
| | - Bettina Hause
- Department of Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry, Halle (Saale), Germany
| | - Danka Haruštiaková
- Institute of Biostatistics and Analyses, Faculty of Medicine and Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Udo Conrad
- Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, Stadt Seeland, Germany
| | - Lubomír Janda
- CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic
- Laboratory of Functional Genomics and Proteomics, National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Jan Hejátko
- CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic
- Laboratory of Functional Genomics and Proteomics, National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, Czech Republic
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Baudisch B, Pfort I, Sorge E, Conrad U. Nanobody-Directed Specific Degradation of Proteins by the 26S-Proteasome in Plants. FRONTIERS IN PLANT SCIENCE 2018; 9:130. [PMID: 29479361 PMCID: PMC5811635 DOI: 10.3389/fpls.2018.00130] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 01/23/2018] [Indexed: 05/18/2023]
Abstract
Here, we present data showing the directed degradation of target proteins recognized by a specific nanobody in transgenic plants. Green fluorescent protein was depleted by a chimeric nanobody fused to a distinct F-box domain, which enables protein degradation via the ubiquitin proteasome pathway. This technique could thus be used to knock out other proteins of interest in planta using specific, high-affinity binding proteins.
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Edgue G, Twyman RM, Beiss V, Fischer R, Sack M. Antibodies from plants for bionanomaterials. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2017; 9. [DOI: 10.1002/wnan.1462] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 01/05/2017] [Accepted: 01/16/2017] [Indexed: 12/25/2022]
Affiliation(s)
- Gueven Edgue
- Department of Molecular Biotechnology; RWTH Aachen University; Aachen Germany
| | | | - Veronique Beiss
- Department of Molecular Biotechnology; RWTH Aachen University; Aachen Germany
| | - Rainer Fischer
- Department of Molecular Biotechnology; RWTH Aachen University; Aachen Germany
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME; Aachen Germany
| | - Markus Sack
- Department of Molecular Biotechnology; RWTH Aachen University; Aachen Germany
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Chen X, Lu Y, Tan G, Cao Z, Liu W, Wang B, Zhang M, Li Z. Functional and binding characterization of a single chain Fv antibody to abscisic acid and conjugated abscisic acid. FOOD AGR IMMUNOL 2016. [DOI: 10.1080/09540105.2016.1148123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Affiliation(s)
- Xiaojiao Chen
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, China
| | - Yao Lu
- Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guiyu Tan
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, China
| | - Zhen Cao
- Department of Molecular Biosciences and Bioengineering, University of Hawaii, Honolulu, HI, USA
| | - Wei Liu
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, China
| | - Baomin Wang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, China
| | - Mingcai Zhang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, China
| | - Zhaohu Li
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, China
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Zábrady M, Hrdinová V, Müller B, Conrad U, Hejátko J, Janda L. Targeted in vivo inhibition of specific protein-protein interactions using recombinant antibodies. PLoS One 2014; 9:e109875. [PMID: 25299686 PMCID: PMC4192540 DOI: 10.1371/journal.pone.0109875] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Accepted: 09/04/2014] [Indexed: 11/19/2022] Open
Abstract
With the growing availability of genomic sequence information, there is an increasing need for gene function analysis. Antibody-mediated "silencing" represents an intriguing alternative for the precise inhibition of a particular function of biomolecules. Here, we describe a method for selecting recombinant antibodies with a specific purpose in mind, which is to inhibit intrinsic protein-protein interactions in the cytosol of plant cells. Experimental procedures were designed for conveniently evaluating desired properties of recombinant antibodies in consecutive steps. Our selection method was successfully used to develop a recombinant antibody inhibiting the interaction of ARABIDOPSIS HISTIDINE PHOSPHOTRANSFER PROTEIN 3 with such of its upstream interaction partners as the receiver domain of CYTOKININ INDEPENDENT HISTIDINE KINASE 1. The specific down-regulation of the cytokinin signaling pathway in vivo demonstrates the validity of our approach. This selection method can serve as a prototype for developing unique recombinant antibodies able to interfere with virtually any biomolecule in the living cell.
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Affiliation(s)
- Matej Zábrady
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Vendula Hrdinová
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Bruno Müller
- Institute of Plant Biology & Zürich-Basel Plant Science Center, University of Zürich, Zürich, Switzerland
| | - Udo Conrad
- Department of Molecular Genetics, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Germany
| | - Jan Hejátko
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Lubomír Janda
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
- * E-mail:
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Urakami E, Yamaguchi I, Asami T, Conrad U, Suzuki Y. Immunomodulation of gibberellin biosynthesis using an anti-precursor gibberellin antibody confers gibberellin-deficient phenotypes. PLANTA 2008; 228:863-873. [PMID: 18636270 DOI: 10.1007/s00425-008-0788-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2008] [Accepted: 07/01/2008] [Indexed: 05/26/2023]
Abstract
Immunomodulation is a means to modulate an organism's function by antibody production to capture either endogenous or exogenous antigens. We have recently succeeded in obtaining gibberellin (GA)-deficient phenotypes in Arabidopsis thaliana by using anti-bioactive GA antibodies. In this study, a single-chain antibody (scFv) against GA(24), a precursor GA, was utilized to repress the biosynthesis of bioactive gibberellins. Stable accumulation of the scFv in endoplasmic reticulum (ER) was achieved by being produced as a fusion with GFP as well as KDEL ER-retention signal. The transgenic plants showed GFP fluorescence in the reticulate cortical ER network in epidermal cells. The GFP-scFv fusion produced in plants maintained its binding activity. The transgenic plants showed GA-deficient phenotypes, including reduced rosette leaf development, delayed flower induction and reduced stem elongation of the main culm, especially in the early stage of inflorescence growth. Contrarily, stem elongation of the main culm at a later stage, or that of lateral shoots was much less affected by scFv production. These phenotypes were different from anti-bioactive GA scFv-producing lines, whose stem elongation was continuously repressed throughout the inflorescence development. The GA-deficient phenotypes were recovered by treatment with GA(24) and bioactive GA(4), the latter being more effective. The transgenic lines contained conspicuously higher endogenous GA(24) and clearly less GA(4) than wild-type plants. The expression of GA 20-oxidase and GA 3-oxidase genes, which are feedback-regulated by GA signaling, were up-regulated in those plants. These results demonstrate that the scFv trapped GA(24) in ER and inhibited metabolism of GA(24) to bioactive GA(4).
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Affiliation(s)
- Eriko Urakami
- Department of Applied Biological Chemistry, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.
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Suzuki Y, Mizuno T, Urakami E, Yamaguchi I, Asami T. Immunomodulation of bioactive gibberellin confers gibberellin-deficient phenotypes in plants. PLANT BIOTECHNOLOGY JOURNAL 2008; 6:355-367. [PMID: 18282174 DOI: 10.1111/j.1467-7652.2008.00325.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Immunomodulation is a means to modulate an organism's function by antibody production to capture either endogenous or exogenous antigens. This method was applied to plants to repress the function of gibberellins (GAs), a class of phytohormones responsible for plant elongation, by anti-bioactive GA antibodies. Two different antibodies were produced in Arabidopsis as single-chain variable fragment (scFv) fused to green fluorescent protein (GFP) with four different subcellular localizations: endoplasmic reticulum (ER), cytosol, apoplastic space or the outer surface of the plasma membrane. When targeting scFv-GFP to ER, plants showed the highest accumulation of scFv-GFP, with binding activity, strong GFP fluorescence in ER-derived compartments and mild but clear GA-deficient phenotypes, including a smaller leaf size, delayed bolting, shorter inflorescence length and decreased germination. Plants expressing scFv-GFP in ER responded to exogenous GA(4) and contained 15-40 times greater endogenous GA(4) than wild-type plants. They also showed increased gene expression for GA3ox1, GA20ox1 and GA20ox2, but decreased expression for GA2ox1, which are feedback and feedforward regulated by GA signalling, respectively. These results suggest that the level of free functional GA(4) decreased when trapped in the ER with scFv to the extent that mild GA-deficient phenotypes were created. A dramatic increase in the total sum of GA(4) (free plus scFv-GFP bound) was detected as a result of the up-regulation of GA biosynthesis (feedback regulated), and a decrease in GA(4) catabolism as a result of protection by scFv-GFP binding. This study demonstrates that the use of immunomodulation to inhibit the action of bioactive GAs is an effective method of creating GA-deficient plants.
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Affiliation(s)
- Yoshihito Suzuki
- Department of Applied Biological Chemistry, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan.
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