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Wrzesińska-Krupa B, Szmatoła T, Praczyk T, Obrępalska-Stęplowska A. Transcriptome analysis indicates the involvement of herbicide-responsive and plant-pathogen interaction pathways in the development of resistance to ACCase inhibitors in Apera spica-venti. PEST MANAGEMENT SCIENCE 2023; 79:1944-1962. [PMID: 36655853 DOI: 10.1002/ps.7370] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 01/13/2023] [Accepted: 01/19/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND The continuous use of the herbicides contributes to the emergence of the resistant populations of numerous weed species that are tolerant to multiple herbicides with different modes of action (multiple resistance) which is provided by non-target-site resistance mechanisms. In this study, we addressed the question of rapid acquisition of herbicide resistance to pinoxaden (acetyl CoA carboxylase inhibitor) in Apera spica-venti, which endangers winter cereal crops and has high adaptation capabilities to inhabit many rural locations. To this end, de novo transcriptome of Apera spica-venti was assembled and RNA-sequencing analysis of plants resistant and susceptible to pinoxaden treated with this herbicide was performed. RESULTS The obtained data showed that the prime candidate genes responsible for herbicide resistance were those encoding 3-ketoacyl-CoA synthase 12-like, UDP-glycosyltransferases (UGT) including UGT75K6, UGT75E2, UGT83A1-like, and glutathione S-transferases (GSTs) such as GSTU1 and GSTU6. Also, such highly accelerated herbicide resistance emergence may result from the enhanced constitutive expression of a wide range of genes involved in detoxification already before herbicide treatment and may also influence response to biotic stresses, which was assumed by the detection of expression changes in genes encoding defence-related proteins, including receptor kinase-like Xa21. Moreover, alterations in the expression of genes associated with methylation in non-treated herbicide-resistant populations were identified. CONCLUSION The obtained results indicated genes that may be involved in herbicide resistance. Moreover, they provide valuable insight into the possible effect of resistance on the weed interaction with the other stresses by indicating pathways associated with both abiotic and biotic stresses. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Barbara Wrzesińska-Krupa
- Department of Molecular Biology and Biotechnology, Institute of Plant Protection - National Research Institute, Poznań, Poland
| | - Tomasz Szmatoła
- Centre for Experimental and Innovative Medicine, University of Agriculture in Krakow, Krakow, Poland
- Department of Animal Molecular Biology, National Research Institute of Animal Production, Balice, Poland
| | - Tadeusz Praczyk
- Department of Weed Science and Plant Protection Techniques, Institute of Plant Protection - National Research Institute, Poznań, Poland
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Luo Q, Chen S, Nian H, Ma Q, Ding Y, Hao Q, Wei J, Patel JD, McElroy JS, Liu Y, Chen Y. Establishment of an Efficient Agrobacterium-Mediated Genetic Transformation System to Enhance the Tolerance of the Paraquat Stress in Engineering Goosegrass (Eleusine Indica L.). Int J Mol Sci 2023; 24:ijms24076629. [PMID: 37047599 PMCID: PMC10095498 DOI: 10.3390/ijms24076629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/25/2023] [Accepted: 03/28/2023] [Indexed: 04/05/2023] Open
Abstract
Eleusine indica (goosegrass) is a problematic weed worldwide known for its multi-herbicide tolerance/resistance biotype. However, a genetic transformation method in goosegrass has not been successfully established, making a bottleneck for functional genomics studies in this species. Here, we report a successful Agrobacterium-mediated transformation method for goosegrass. Firstly, we optimized conditions for breaking seed dormancy and increasing seed germination rate. A higher callus induction rate from germinated seeds was obtained in N6 than in MS or B5 medium. Then the optimal transformation efficiency of the gus reporter gene was obtained by infection with Agrobacterium tumefaciens culture of OD600 = 0.5 for 30 min, followed by 3 days of co-cultivation with 300 μmol/L acetosyringone. Concentrations of 20 mg L−1 kanamycin and 100 mg L−1 timentin were used to select the transformed calli. The optimal rate of regeneration of the calli was generated by using 0.50 mg L−1 6-BA and 0.50 mg L−1 KT in the culture medium. Then, using this transformation method, we overexpressed the paraquat-resistant EiKCS gene into a paraquat-susceptible goosegrass biotype MZ04 and confirmed the stable inheritance of paraquat-resistance in the transgenic goosegrass lines. This approach may provide a potential mechanism for the evolution of paraquat-resistant goosegrass and a promising gene for the manipulation of paraquat-resistance plants. This study is novel and valuable in future research using similar methods for herbicide resistance.
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Affiliation(s)
- Qiyu Luo
- College of Agriculture, South China Agricultural University, Guangzhou 510642, China
- College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
- Department of Crop, Soil, and Environmental Sciences, Auburn University, Auburn, AL 36830, USA
| | - Shu Chen
- College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China
| | - Hai Nian
- College of Agriculture, South China Agricultural University, Guangzhou 510642, China
| | - Qibing Ma
- College of Agriculture, South China Agricultural University, Guangzhou 510642, China
| | - Yuyao Ding
- College of Agriculture, South China Agricultural University, Guangzhou 510642, China
| | - Qinwen Hao
- College of Agriculture, South China Agricultural University, Guangzhou 510642, China
| | - Jiping Wei
- College of Agriculture, South China Agricultural University, Guangzhou 510642, China
| | - Jinesh D. Patel
- Department of Crop, Soil, and Environmental Sciences, Auburn University, Auburn, AL 36830, USA
| | - Joseph Scott McElroy
- Department of Crop, Soil, and Environmental Sciences, Auburn University, Auburn, AL 36830, USA
| | - Yaoguang Liu
- College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Yong Chen
- College of Agriculture, South China Agricultural University, Guangzhou 510642, China
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Kong X, Pan W, Zhang T, Liu L, Zhang H. A simple and efficient strategy to produce transgene-free gene edited plants in one generation using paraquat resistant 1 as a selection marker. FRONTIERS IN PLANT SCIENCE 2023; 13:1051991. [PMID: 36733591 PMCID: PMC9888365 DOI: 10.3389/fpls.2022.1051991] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 12/19/2022] [Indexed: 06/18/2023]
Abstract
INTRODUCTION DNA integration is a key factor limiting the marketing of CRISPR/Cas9-mediated gene edited crops. Several strategies have been established to obtain transgene-free gene edited plants; however, these strategies are usually time-consuming, technically difficult, providing low mutagenesis efficiency, and/or including a narrow host range. METHOD To overcome such issues, we established a paraquat resistant 1 (PAR1)-based positive screening (PARS) strategy, which achieved efficient screening of transgene-free gene edited plants. RESULTS With PARS, the screening efficiency of mutant increased by 2.81-fold on average, and approximately 10% of T1 plants selected via PARS were transgenefree. Moreover, heritable transgene-free mutations at target loci were identified in the T1 generation. DISCUSSION Based on the previous reports and our data, we know that paraquat is toxic to all green plants, PAR1 is conserved among all plant species tested, and the transient expression of Cas9 editor can produce transgene-free gene edited plants. Thus, we assume that the PARS strategy established here has the potential to be widely used to screen transgene-free mutants in various crops using diverse CRISPR/Cas9 delivery approaches.
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Affiliation(s)
- Xiangjiu Kong
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, China
| | - Wenbo Pan
- Peking University Institute of Advanced Agricultural Sciences, Weifang, China
- Shandong Laboratory of Advanced Agricultural Sciences, Weifang, China
| | - Tingyu Zhang
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, China
| | - Lijing Liu
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, China
| | - Huawei Zhang
- Peking University Institute of Advanced Agricultural Sciences, Weifang, China
- Shandong Laboratory of Advanced Agricultural Sciences, Weifang, China
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