1
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Rui L, Wen TY, Qiu YJ, Yang D, Ye JR, Wu XQ. A pioneer nematode effector suppresses plant reactive oxygen species burst by interacting with the class III peroxidase. PLANT, CELL & ENVIRONMENT 2024. [PMID: 38808618 DOI: 10.1111/pce.14939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 04/02/2024] [Accepted: 04/27/2024] [Indexed: 05/30/2024]
Abstract
Bursaphelenchus xylophilus is the pathogen of pine wilt disease, which can devastate the pine forest ecosystem. Usually, plant cells generate reactive oxygen species (ROS) as a defensive substance or signalling molecules to resist the infection of nematodes. However, little is known about how B. xylophilus effectors mediate the plant ROS metabolism. Here, we identified a pioneer B. xylophilus Prx3-interacting effector 1 (BxPIE1) expressed in the dorsal gland cells and the intestine. Silencing of the BxPIE1 gene resulted in reduced nematode reproduction and a delay in disease progression during parasitic stages, with the upregulation of pathogenesis-related (PR) genes PtPR-3 (class Ⅳ chitinase) and PtPR-9 (peroxidase). The protein-protein interaction assays further demonstrated that BxPIE1 interacts with a Pinus thunbergii class III peroxidase (PtPrx3), which produces H2O2 under biotic stress. The expression of BxPIE1 and PtPrx3 was upregulated during the infection stage. Furthermore, BxPIE1 effectively inhibited H2O2 generating from class III peroxidase and ascorbate can recover the virulence of siBxPIE1-treated B. xylophilus by scavenging H2O2. Taken together, BxPIE1 is an important virulence factor, revealing a novel mechanism utilized by nematodes to suppress plant immunity.
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Affiliation(s)
- Lin Rui
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
| | - Tong-Yue Wen
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
| | - Yi-Jun Qiu
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
| | - Dan Yang
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
| | - Jian-Ren Ye
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
| | - Xiao-Qin Wu
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
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2
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Freitas-Alves NS, Moreira-Pinto CE, Arraes FBM, Costa LSDL, de Abreu RA, Moreira VJV, Lourenço-Tessutti IT, Pinheiro DH, Lisei-de-Sa ME, Paes-de-Melo B, Pereira BM, Guimaraes PM, Brasileiro ACM, de Almeida-Engler J, Soccol CR, Morgante CV, Basso MF, Grossi-de-Sa MF. An ex vitro hairy root system from petioles of detached soybean leaves for in planta screening of target genes and CRISPR strategies associated with nematode bioassays. PLANTA 2023; 259:23. [PMID: 38108903 DOI: 10.1007/s00425-023-04286-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 11/09/2023] [Indexed: 12/19/2023]
Abstract
MAIN CONCLUSION The ex vitro hairy root system from petioles of detached soybean leaves allows the functional validation of genes using classical transgenesis and CRISPR strategies (e.g., sgRNA validation, gene activation) associated with nematode bioassays. Agrobacterium rhizogenes-mediated root transformation has been widely used in soybean for the functional validation of target genes in classical transgenesis and single-guide RNA (sgRNA) in CRISPR-based technologies. Initial data showed that in vitro hairy root induction from soybean cotyledons and hypocotyls were not the most suitable strategies for simultaneous performing genetic studies and nematode bioassays. Therefore, an ex vitro hairy root system was developed for in planta screening of target molecules during soybean parasitism by root-knot nematodes (RKNs). Applying this method, hairy roots were successfully induced by A. rhizogenes from petioles of detached soybean leaves. The soybean GmPR10 and GmGST genes were then constitutively overexpressed in both soybean hairy roots and tobacco plants, showing a reduction in the number of Meloidogyne incognita-induced galls of up to 41% and 39%, respectively. In addition, this system was evaluated for upregulation of the endogenous GmExpA and GmExpLB genes by CRISPR/dCas9, showing high levels of gene activation and reductions in gall number of up to 58.7% and 67.4%, respectively. Furthermore, morphological and histological analyses of the galls were successfully performed. These collective data validate the ex vitro hairy root system for screening target genes, using classical overexpression and CRISPR approaches, directly in soybean in a simple manner and associated with nematode bioassays. This system can also be used in other root pathosystems for analyses of gene function and studies of parasite interactions with plants, as well as for other purposes such as studies of root biology and promoter characterization.
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Affiliation(s)
- Nayara S Freitas-Alves
- Bioprocess Engineering and Biotechnology Graduate Program, Federal University of Paraná-UFPR, Curitiba, PR, Brazil
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Clidia E Moreira-Pinto
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Fabrício B M Arraes
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Lorena S de L Costa
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- Molecular Biology Graduate Program, University of Brasília-UNB, Brasília, DF, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Rayane A de Abreu
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
| | - Valdeir J V Moreira
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- Molecular Biology Graduate Program, University of Brasília-UNB, Brasília, DF, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Isabela T Lourenço-Tessutti
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Daniele H Pinheiro
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Maria E Lisei-de-Sa
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Bruno Paes-de-Melo
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Bruna M Pereira
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
| | - Patricia M Guimaraes
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Ana C M Brasileiro
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Janice de Almeida-Engler
- INRAE, Université Côte d'Azur, CNRS, 06903, Sophia Antipolis, ISA, France
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Carlos R Soccol
- Bioprocess Engineering and Biotechnology Graduate Program, Federal University of Paraná-UFPR, Curitiba, PR, Brazil
| | - Carolina V Morgante
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- Embrapa Semiarid, Petrolina, PE, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Marcos F Basso
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil
| | - Maria F Grossi-de-Sa
- Bioprocess Engineering and Biotechnology Graduate Program, Federal University of Paraná-UFPR, Curitiba, PR, Brazil.
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil.
- Molecular Biology Graduate Program, University of Brasília-UNB, Brasília, DF, Brazil.
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, Brazil.
- Catholic University of Brasília, Brasília, DF, Brazil.
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3
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Kim JH, Lee BM, Kang MK, Park DJ, Choi IS, Park HY, Lim CH, Son KH. Assessment of nematicidal and plant growth-promoting effects of Burkholderia sp. JB-2 in root-knot nematode-infested soil. FRONTIERS IN PLANT SCIENCE 2023; 14:1216031. [PMID: 37538060 PMCID: PMC10394650 DOI: 10.3389/fpls.2023.1216031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 06/26/2023] [Indexed: 08/05/2023]
Abstract
Root-knot nematodes (RKN), Meloidogyne spp., are plant-parasitic nematodes that are responsible for considerable economic losses worldwide, because of the damage they cause to numerous plant species and the inadequate biological agents available to combat them. Therefore, developing novel and eco-friendly nematicides is necessary. In the present study, Burkholderia sp. JB-2, isolated from RKN-infested rhizosphere soil in South Korea, was evaluated to determine its nematicidal and plant growth-promoting effects under in vitro and in vivo conditions. Cell-free filtrates of the JB-2 strain showed high levels of nematicidal activity against second-stage juveniles (J2) of M. incognita, with 87.5% mortality following two days of treatment. In addition, the assessment of the activity against other six plant parasitic nematodes (M. javanica, M. hapla, M. arenaria, Ditylenchus destructor, Aphelenchoides subtenuis, and Heterodera trifolii) showed that the cell-free filtrates have a broad nematicidal spectrum. The three defense-responsive (MiMIF-2, MiDaf16-like1, and MiSkn1-like1) genes were activated, while Mi-cm-3 was downregulated when treated with cell-free filtrates of JB-2 cultures on J2. The greenhouse experiments suggested that the cell-free filtrates of the JB-2 strain efficiently controlled the nematode population in soil and egg mass formations of M. incognita in tomato (Solanum lycopersicum L., cv. Rutgers). An improvement in the host plant growth was observed, in which the shoot length and fresh weights of shoots and roots increased. The treatment with 10% of JB-2 cell-free filtrates significantly upregulated the expression levels of plant defenses (SlPR1, SlPR5, and SlPAL) and growth-promoting (ACO1, Exp18, and SlIAA1) genes compared with the corresponding parameters of the control group. Therefore, JB-2 could be a promising candidate for the sustainable management of RKN.
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Affiliation(s)
- Jong-Hoon Kim
- Microbiome Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Byeong-Min Lee
- Microbiome Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Department of Bio-Environmental Chemistry, College of Agriculture and Life Science, Chungnam National University, Daejeon, Republic of Korea
| | - Min-Kyoung Kang
- Microbiome Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Dong-Jin Park
- Microbiome Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - In-Soo Choi
- Nematode Research Center, Life and Industry Convergence Research Institute, Pusan National University, Miryang, Republic of Korea
| | - Ho-Yong Park
- Microbiome Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Chi-Hwan Lim
- Department of Bio-Environmental Chemistry, College of Agriculture and Life Science, Chungnam National University, Daejeon, Republic of Korea
| | - Kwang-Hee Son
- Microbiome Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
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4
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Burns AR, Baker RJ, Kitner M, Knox J, Cooke B, Volpatti JR, Vaidya AS, Puumala E, Palmeira BM, Redman EM, Snider J, Marwah S, Chung SW, MacDonald MH, Tiefenbach J, Hu C, Xiao Q, Finney CAM, Krause HM, MacParland SA, Stagljar I, Gilleard JS, Cowen LE, Meyer SLF, Cutler SR, Dowling JJ, Lautens M, Zasada I, Roy PJ. Selective control of parasitic nematodes using bioactivated nematicides. Nature 2023:10.1038/s41586-023-06105-5. [PMID: 37225985 DOI: 10.1038/s41586-023-06105-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 04/20/2023] [Indexed: 05/26/2023]
Abstract
Parasitic nematodes are a major threat to global food security, particularly as the world amasses 10 billion people amid limited arable land1-4. Most traditional nematicides have been banned owing to poor nematode selectivity, leaving farmers with inadequate means of pest control4-12. Here we use the model nematode Caenorhabditis elegans to identify a family of selective imidazothiazole nematicides, called selectivins, that undergo cytochrome-p450-mediated bioactivation in nematodes. At low parts-per-million concentrations, selectivins perform comparably well with commercial nematicides to control root infection by Meloidogyne incognita, a highly destructive plant-parasitic nematode. Tests against numerous phylogenetically diverse non-target systems demonstrate that selectivins are more nematode-selective than most marketed nematicides. Selectivins are first-in-class bioactivated nematode controls that provide efficacy and nematode selectivity.
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Affiliation(s)
- Andrew R Burns
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada.
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada.
| | - Rachel J Baker
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Megan Kitner
- USDA-ARS Horticultural Crops Research Laboratory, Corvallis, OR, USA
| | - Jessica Knox
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Brittany Cooke
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Jonathan R Volpatti
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
- Division of Neurology and Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Aditya S Vaidya
- Institute for Integrative Genome Biology, University of California, Riverside, Riverside, CA, USA
- Department of Botany and Plant Sciences, University of California, Riverside, Riverside, CA, USA
| | - Emily Puumala
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Bruna M Palmeira
- Department of Comparative Biology and Experimental Medicine, Host-Parasite Interactions Program, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Elizabeth M Redman
- Department of Comparative Biology and Experimental Medicine, Host-Parasite Interactions Program, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Jamie Snider
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Sagar Marwah
- Ajmera Transplant Centre, Toronto General Research Institute, University Health Network, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology and Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Sai W Chung
- Ajmera Transplant Centre, Toronto General Research Institute, University Health Network, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology and Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Margaret H MacDonald
- USDA-ARS Mycology and Nematology Genetic Diversity and Biology Laboratory, Beltsville Agricultural Research Center, Beltsville, MD, USA
| | - Jens Tiefenbach
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Chun Hu
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Qi Xiao
- Department of Biological Sciences, Host Parasite Interactions Program, Faculty of Science, University of Calgary, Calgary, Alberta, Canada
| | - Constance A M Finney
- Department of Biological Sciences, Host Parasite Interactions Program, Faculty of Science, University of Calgary, Calgary, Alberta, Canada
| | - Henry M Krause
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Sonya A MacParland
- Ajmera Transplant Centre, Toronto General Research Institute, University Health Network, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology and Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Igor Stagljar
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
- Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada
- Mediterranean Institute for Life Sciences, Split, Croatia
| | - John S Gilleard
- Department of Comparative Biology and Experimental Medicine, Host-Parasite Interactions Program, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Leah E Cowen
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Susan L F Meyer
- USDA-ARS Mycology and Nematology Genetic Diversity and Biology Laboratory, Beltsville Agricultural Research Center, Beltsville, MD, USA
| | - Sean R Cutler
- Institute for Integrative Genome Biology, University of California, Riverside, Riverside, CA, USA
- Department of Botany and Plant Sciences, University of California, Riverside, Riverside, CA, USA
| | - James J Dowling
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
- Division of Neurology and Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Mark Lautens
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Inga Zasada
- USDA-ARS Horticultural Crops Research Laboratory, Corvallis, OR, USA
| | - Peter J Roy
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada.
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada.
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada.
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5
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Basso MF, Lourenço-Tessutti IT, Moreira-Pinto CE, Mendes RAG, Pereira DG, Grandis A, Macedo LLP, Macedo AF, Gomes ACMM, Arraes FBM, Togawa RC, do Carmo Costa MM, Marcelino-Guimaraes FC, Silva MCM, Floh EIS, Buckeridge MS, de Almeida Engler J, Grossi-de-Sa MF. Overexpression of the GmEXPA1 gene reduces plant susceptibility to Meloidogyne incognita. PLANT CELL REPORTS 2023; 42:137-152. [PMID: 36348064 DOI: 10.1007/s00299-022-02941-3] [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: 07/06/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
The overexpression of the soybean GmEXPA1 gene reduces plant susceptibility to M. incognita by the increase of root lignification. Plant expansins are enzymes that act in a pH-dependent manner in the plant cell wall loosening and are associated with improved tolerance or resistance to abiotic or biotic stresses. Plant-parasitic nematodes (PPN) can alter the expression profile of several expansin genes in infected root cells. Studies have shown that overexpression or downregulation of particular expansin genes can reduce plant susceptibility to PPNs. Root-knot nematodes (RKN) are obligate sedentary endoparasites of the genus Meloidogyne spp. of which M. incognita is one of the most reported species. Herein, using a transcriptome dataset and real-time PCR assays were identified an expansin A gene (GmEXPA1; Glyma.02G109100) that is upregulated in the soybean nematode-resistant genotype PI595099 compared to the susceptible cultivar BRS133 during plant parasitism by M. incognita. To understand the role of the GmEXPA1 gene during the interaction between soybean plant and M. incognita were generated stable A. thaliana and N. tabacum transgenic lines. Remarkably, both A. thaliana and N. tabacum transgenic lines overexpressing the GmEXPA1 gene showed reduced susceptibility to M. incognita. Furthermore, plant growth, biomass accumulation, and seed yield were not affected in these transgenic lines. Interestingly, significant upregulation of the NtACC oxidase and NtEFE26 genes, involved in ethylene biosynthesis, and NtCCR and Nt4CL genes, involved in lignin biosynthesis, was observed in roots of the N. tabacum transgenic lines, which also showed higher lignin content. These data suggested a possible link between GmEXPA1 gene expression and increased lignification of the root cell wall. Therefore, these data support that engineering of the GmEXPA1 gene in soybean offers a powerful biotechnology tool to assist in RKN management.
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Affiliation(s)
- Marcos Fernando Basso
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70297-400, Brazil
| | - Isabela Tristan Lourenço-Tessutti
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70297-400, Brazil
| | - Clidia Eduarda Moreira-Pinto
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil
- Federal University of Brasília, Brasília, DF, 70910-900, Brazil
| | - Reneida Aparecida Godinho Mendes
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil
- Federal University of Brasília, Brasília, DF, 70910-900, Brazil
| | - Debora Gonçalves Pereira
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil
- Federal University of Brasília, Brasília, DF, 70910-900, Brazil
| | - Adriana Grandis
- Department of Botany, Biosciences Institute, University of São Paulo, São Paulo, SP, 05508-090, Brazil
| | - Leonardo Lima Pepino Macedo
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70297-400, Brazil
| | - Amanda Ferreira Macedo
- Department of Botany, Biosciences Institute, University of São Paulo, São Paulo, SP, 05508-090, Brazil
| | | | - Fabrício Barbosa Monteiro Arraes
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70297-400, Brazil
| | - Roberto Coiti Togawa
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70297-400, Brazil
| | - Marcos Mota do Carmo Costa
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil
| | - Francismar Corrêa Marcelino-Guimaraes
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70297-400, Brazil
- Embrapa Soybean, Londrina, PR, 86001-970, Brazil
| | - Maria Cristina Mattar Silva
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70297-400, Brazil
| | - Eny Iochevet Segal Floh
- Department of Botany, Biosciences Institute, University of São Paulo, São Paulo, SP, 05508-090, Brazil
| | | | - Janice de Almeida Engler
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70297-400, Brazil
- INRAE, Université Côte d'Azur, CNRS, ISA, 06903, Sophia Antipolis, France
| | - Maria Fatima Grossi-de-Sa
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-901, Brazil.
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70297-400, Brazil.
- Catholic University of Brasília, Brasília, DF, 71966-700, Brazil.
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6
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Basso MF, Lourenço-Tessutti IT, Moreira-Pinto CE, Mendes RAG, Paes-de-Melo B, das Neves MR, Macedo AF, Figueiredo V, Grandis A, Macedo LLP, Arraes FBM, do Carmo Costa MM, Togawa RC, Enrich-Prast A, Marcelino-Guimaraes FC, Gomes ACMM, Silva MCM, Floh EIS, Buckeridge MS, de Almeida Engler J, Grossi-de-Sa MF. Overexpression of a soybean Globin (GmGlb1-1) gene reduces plant susceptibility to Meloidogyne incognita. PLANTA 2022; 256:83. [PMID: 36112244 DOI: 10.1007/s00425-022-03992-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
The overexpression of the GmGlb1-1 gene reduces plant susceptibility to Meloidogyne incognita. Non-symbiotic globin class #1 (Glb1) genes are expressed in different plant organs, have a high affinity for oxygen, and are related to nitric oxide (NO) turnover. Previous studies showed that soybean Glb1 genes are upregulated in soybean plants under flooding conditions. Herein, the GmGlb1-1 gene was identified in soybean as being upregulated in the nematode-resistant genotype PI595099 compared to the nematode-susceptible cultivar BRS133 during plant parasitism by Meloidogyne incognita. The Arabidopsis thaliana and Nicotiana tabacum transgenic lines overexpressing the GmGlb1-1 gene showed reduced susceptibility to M. incognita. Consistently, gall morphology data indicated that pJ2 nematodes that infected the transgenic lines showed developmental alterations and delayed parasitism progress. Although no significant changes in biomass and seed yield were detected, the transgenic lines showed an elongated, etiolation-like growth under well-irrigation, and also developed more axillary roots under flooding conditions. In addition, transgenic lines showed upregulation of some important genes involved in plant defense response to oxidative stress. In agreement, higher hydrogen peroxide accumulation and reduced activity of reactive oxygen species (ROS) detoxification enzymes were also observed in these transgenic lines. Thus, based on our data and previous studies, it was hypothesized that constitutive overexpression of the GmGlb1-1 gene can interfere in the dynamics of ROS production and NO scavenging, enhancing the acquired systemic acclimation to biotic and abiotic stresses, and improving the cellular homeostasis. Therefore, these collective data suggest that ectopic or nematode-induced overexpression, or enhanced expression of the GmGlb1-1 gene using CRISPR/dCas9 offers great potential for application in commercial soybean cultivars aiming to reduce plant susceptibility to M. incognita.
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Affiliation(s)
- Marcos Fernando Basso
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil
| | - Isabela Tristan Lourenço-Tessutti
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil
| | - Clidia Eduarda Moreira-Pinto
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil
- Federal University of Brasília, Brasília, DF, 70910-900, Brazil
| | - Reneida Aparecida Godinho Mendes
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- Federal University of Brasília, Brasília, DF, 70910-900, Brazil
| | - Bruno Paes-de-Melo
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil
| | - Maysa Rosa das Neves
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
| | - Amanda Ferreira Macedo
- Department of Botany, Biosciences Institute, University of São Paulo, São Paulo, SP, 05508-090, Brazil
| | - Viviane Figueiredo
- Multiuser Unit of Environmental Analysis and Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-971, Brazil
| | - Adriana Grandis
- Department of Botany, Biosciences Institute, University of São Paulo, São Paulo, SP, 05508-090, Brazil
| | - Leonardo Lima Pepino Macedo
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil
| | - Fabrício Barbosa Monteiro Arraes
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil
| | - Marcos Mota do Carmo Costa
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
| | - Roberto Coiti Togawa
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil
| | - Alex Enrich-Prast
- Multiuser Unit of Environmental Analysis and Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-971, Brazil
- Biogas Research Center and Department of Thematic Studies, Environmental Change, Linköping University, Linköping, Sweden
| | - Francismar Corrêa Marcelino-Guimaraes
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil
- Embrapa Soybean, Londrina, PR, 86001-970, Brazil
| | | | - Maria Cristina Mattar Silva
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil
| | - Eny Iochevet Segal Floh
- Department of Botany, Biosciences Institute, University of São Paulo, São Paulo, SP, 05508-090, Brazil
| | | | - Janice de Almeida Engler
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil
- INRAE, Université Côte d'Azur, CNRS, ISA, 06903, Sophia Antipolis, France
| | - Maria Fatima Grossi-de-Sa
- Embrapa Genetic Resources and Biotechnology, PqEB Final, W5 Norte, PO Box 02372, Brasília, DF, 70770-917, Brazil.
- National Institute of Science and Technology, INCT Plant Stress Biotech, EMBRAPA, Brasília, DF, 70770-917, Brazil.
- Catholic University of Brasília, Brasília, DF, 71966-700, Brazil.
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7
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Rani K, Devi N, Banakar P, Kharb P, Kaushik P. Nematicidal Potential of Green Silver Nanoparticles Synthesized Using Aqueous Root Extract of Glycyrrhiza glabra. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:2966. [PMID: 36080002 PMCID: PMC9458125 DOI: 10.3390/nano12172966] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/09/2022] [Accepted: 08/22/2022] [Indexed: 05/27/2023]
Abstract
Meloidogyne incognita (root-knot nematode) is a devastating soil-borne pathogen which can infect almost all cultivated plants around the globe, expediting huge pecuniary losses. The purpose of current study was to use the aqueous root extract of Glycyrrhiza glabra for synthesizing silver nanoparticles (GRAgNPs) and assess their nematicidal potential against M. incognita by in vitro methods, including hatching inhibition and mortality assays. The active uptake of FITC labeled GRAgNPs by the nematode and their effect on the expression of selected genes involved in oxidative stress and DNA damage repair were also studied. An HRTEM micrograph confirmed their spherical morphology with sizes ranging from 9.61 nm to 34.735 nm. Complete inhibition of egg-hatching was observed after 48 h of treatment with as low as 10.0 ppm of GRAgNPs. In addition, 100% mortality was recorded at the lowest dose of 6.0 ppm, after 12 h of treatment. The LC-50 for GRAgNPs was found to be 0.805 ± 0.177 ppm at p < 0.0001, R2 = 0.9930, and α = 0.05. The expression of targeted genes (skn-1, mev-1, sod-3, dhs-23, cyp-450, xpa, cpr-1, gst-n, and ugt) was significantly enhanced (1.09−2.79 folds), at 1.0 ppm (α = 0.05, 95% CI) GRAgNPs treatment. In conclusion, GRAgNPs performed efficaciously and considerably in contrast to chemical nematicide and commercial silver nanoparticles (CAgNPs) and might be used as a promising alternative as relatively lower concentration and short exposure time were enough to cause higher mortality and nanotoxicity in nematodes.
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Affiliation(s)
- Kanika Rani
- Department of Molecular Biology, Biotechnology and Bioinformatics, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, India
| | - Nisha Devi
- Department of Molecular Biology, Biotechnology and Bioinformatics, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, India
| | - Prakash Banakar
- Department of Nematology, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, India
| | - Pushpa Kharb
- Department of Molecular Biology, Biotechnology and Bioinformatics, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, India
| | - Prashant Kaushik
- Kikugawa Research Station, Yokohama Ueki, Kikugawa 439-0031, Japan
- Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, 46022 Valencia, Spain
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8
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Aparecida Godinho Mendes R, Basso MF, Amora DX, Silva AP, Paes-de-Melo B, Coiti Togawa R, Saliba Albuquerque EV, Lisei-de-Sa ME, Lima Pepino Macedo L, Lourenço-Tessutti IT, Grossi-de-Sa MF. In planta RNAi approach targeting three M. incognita effector genes disturbed the process of infection and reduced plant susceptibility. Exp Parasitol 2022; 238:108246. [PMID: 35460697 DOI: 10.1016/j.exppara.2022.108246] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 02/26/2022] [Accepted: 03/13/2022] [Indexed: 11/04/2022]
Abstract
Meloidogyne incognita is the most economically important species of the root-knot nematode complex causing damage to several crops worldwide. During parasitism in host plants, M. incognita secretes several effector proteins to suppress the plant immune system, manipulate the plant cell cycle, and promote parasitism. Several effector proteins have been identified, but their relationship with plant parasitism by M. incognita has not been fully confirmed. Herein, the Minc01696, Minc00344, and Minc00801 putative effector genes were evaluated to assess their importance during soybean and Nicotiana tabacum parasitism by M. incognita. For this study, we used in planta RNAi technology to overexpress dsRNA molecules capable of producing siRNAs that target and downregulate these nematode effector genes. Soybean composite roots and N. tabacum lines were successfully generated, and susceptibility level to M. incognita was evaluated. Consistently, both transgenic soybean roots and transgenic N. tabacum lines carrying the RNAi strategy showed reduced susceptibility to M. incognita. The number of galls per plant and the number of egg masses per plant were reduced by up to 85% in transgenic soybean roots, supported by the downregulation of effector genes in M. incognita during parasitism. Similarly, the number of galls per plant, the number of egg masses per plant, and the nematode reproduction factor were reduced by up to 83% in transgenic N. tabacum lines, which was also supported by the downregulation of the Minc00801 effector gene during parasitism. Therefore, our data indicate that all three effector genes can be a target in the development of new biotechnological tools based on the RNAi strategy in economically important crops for M. incognita control.
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Affiliation(s)
- Reneida Aparecida Godinho Mendes
- Embrapa Genetic Resources and Biotechnology, Brasília, DF, 70297-400, Brazil; Federal University of Brasília, Brasília, DF, 70910-900, Brazil
| | - Marcos Fernando Basso
- Embrapa Genetic Resources and Biotechnology, Brasília, DF, 70297-400, Brazil; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil
| | - Deisy Xavier Amora
- Embrapa Genetic Resources and Biotechnology, Brasília, DF, 70297-400, Brazil
| | | | - Bruno Paes-de-Melo
- Embrapa Genetic Resources and Biotechnology, Brasília, DF, 70297-400, Brazil; Federal University of Viçosa, Viçosa, MG, 36570-900, Brazil; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil
| | - Roberto Coiti Togawa
- Embrapa Genetic Resources and Biotechnology, Brasília, DF, 70297-400, Brazil; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil
| | | | - Maria Eugênia Lisei-de-Sa
- Embrapa Genetic Resources and Biotechnology, Brasília, DF, 70297-400, Brazil; Agricultural Research Company of Minas Gerais, Uberaba, MG, 38060-040, Brazil; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil
| | - Leonardo Lima Pepino Macedo
- Embrapa Genetic Resources and Biotechnology, Brasília, DF, 70297-400, Brazil; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil
| | - Isabela Tristan Lourenço-Tessutti
- Embrapa Genetic Resources and Biotechnology, Brasília, DF, 70297-400, Brazil; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil
| | - Maria Fatima Grossi-de-Sa
- Embrapa Genetic Resources and Biotechnology, Brasília, DF, 70297-400, Brazil; Catholic University of Brasília, Brasília, DF, 71966-700, Brazil; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil.
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9
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Wram CL, Hesse CN, Zasada IA. Transcriptional response of Meloidogyne incognita to non-fumigant nematicides. Sci Rep 2022; 12:9814. [PMID: 35697824 PMCID: PMC9192767 DOI: 10.1038/s41598-022-13815-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 05/27/2022] [Indexed: 11/12/2022] Open
Abstract
There is limited research about the impacts of new nematicides, including fluazaindolizine, fluopyram, and fluensulfone, on the plant-parasitic nematode Meloidogyne incognita, despite it being a pervasive agricultural pest. In this study, M. incognita second-stage juveniles were exposed for 24-h to fluensulfone, fluazaindolizine, fluopyram, and oxamyl and total RNA was extracted and sequenced using next-generation sequencing to determine gene expression. The effects of nematicide exposure on cellular detoxification pathways, common differentially expressed (DE) genes, and fatty acid and retinol-binding genes were examined. Fluopyram and oxamyl had the smallest impacts on the M. incognita transcriptome with 48 and 151 genes that were DE, respectively. These compounds also elicited a weak response in the cellular detoxification pathway and fatty acid and retinol-binding (FAR) genes. Fluensulfone and fluazaindolizine produced robust transcriptional responses with 1208 and 2611 DE genes, respectively. These compounds had strong impacts on cellular detoxification, causing differential regulation of transcription factors and genes in the detox pathway. These compounds strongly down-regulated FAR genes between 52–85%. Having a greater understanding of how these compounds function at a molecular level will help to promote proper stewardship, aid with nematicide discovery, and help to stay a step ahead of nematicide resistance.
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Affiliation(s)
- Catherine L Wram
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, 97331, USA.
| | - Cedar N Hesse
- USDA-ARS Horticultural Crops Research Unit, Corvallis, OR, 97330, USA
| | - Inga A Zasada
- USDA-ARS Horticultural Crops Research Unit, Corvallis, OR, 97330, USA
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10
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Moreira VJV, Lourenço-Tessutti IT, Basso MF, Lisei-de-Sa ME, Morgante CV, Paes-de-Melo B, Arraes FBM, Martins-de-Sa D, Silva MCM, de Almeida Engler J, Grossi-de-Sa MF. Minc03328 effector gene downregulation severely affects Meloidogyne incognita parasitism in transgenic Arabidopsis thaliana. PLANTA 2022; 255:44. [PMID: 35050413 DOI: 10.1007/s00425-022-03823-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 01/04/2022] [Indexed: 05/24/2023]
Abstract
Minc03328 effector gene downregulation triggered by in planta RNAi strategy strongly reduced plant susceptibility to Meloidogyne incognita and suggests that Minc03328 gene is a promising target for the development of genetically engineered crops to improve plant tolerance to M. incognita. Meloidogyne incognita is the most economically important species of root-knot nematodes (RKN) and causes severe damage to crops worldwide. M. incognita secretes several effector proteins to suppress the host plant defense response, and manipulate the plant cell cycle and other plant processes facilitating its parasitism. Different secreted effector proteins have already been identified in M. incognita, but not all have been characterized or have had the confirmation of their involvement in nematode parasitism in their host plants. Herein, we characterized the Minc03328 (Minc3s00020g01299) effector gene, confirmed its higher expression in the early stages of M. incognita parasitism in plants, as well as the accumulation of the Minc03328 effector protein in subventral glands and its secretion. We also discuss the potential for simultaneous downregulation of its paralogue Minc3s00083g03984 gene. Using the in planta RNA interference strategy, Arabidopsis thaliana plants overexpressing double-stranded RNA (dsRNA) were generated to specifically targeting and downregulating the Minc03328 gene during nematode parasitism. Transgenic Minc03328-dsRNA lines that significantly downregulated Minc03328 gene expression during M. incognita parasitism were significantly less susceptible. The number of galls, egg masses, and [galls/egg masses] ratio were reduced in these transgenic lines by up to 85%, 90%, and 87%, respectively. Transgenic Minc03328-dsRNA lines showed the presence of fewer and smaller galls, indicating that parasitism was hindered. Overall, data herein strongly suggest that Minc03328 effector protein is important for M. incognita parasitism establishment. As well, the in planta Minc03328-dsRNA strategy demonstrated high biotechnological potential for developing crop species that could efficiently control RKN in the field.
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Affiliation(s)
- Valdeir Junio Vaz Moreira
- Embrapa Genetic Resources and Biotechnology, Brasilia, DF, 70770-917, Brazil
- Biotechnology Center, PPGBCM, UFRGS, Porto Alegre, RS, 90040-060, Brazil
- Federal University of Brasilia, UNB, Brasilia, DF, 70910-900, Brazil
| | - Isabela Tristan Lourenço-Tessutti
- Embrapa Genetic Resources and Biotechnology, Brasilia, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, 70297-400, Brazil
| | - Marcos Fernando Basso
- Embrapa Genetic Resources and Biotechnology, Brasilia, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, 70297-400, Brazil
| | - Maria Eugênia Lisei-de-Sa
- Embrapa Genetic Resources and Biotechnology, Brasilia, DF, 70770-917, Brazil
- Federal University of Brasilia, UNB, Brasilia, DF, 70910-900, Brazil
- Agriculture Research Company of Minas Gerais State, Uberaba, MG, 31170-495, Brazil
| | - Carolina Vianna Morgante
- Embrapa Genetic Resources and Biotechnology, Brasilia, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, 70297-400, Brazil
- Embrapa Semiarid, Petrolina, PE, 56302-970, Brazil
| | - Bruno Paes-de-Melo
- Embrapa Genetic Resources and Biotechnology, Brasilia, DF, 70770-917, Brazil
- Federal University of Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Fabrício Barbosa Monteiro Arraes
- Embrapa Genetic Resources and Biotechnology, Brasilia, DF, 70770-917, Brazil
- Biotechnology Center, PPGBCM, UFRGS, Porto Alegre, RS, 90040-060, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, 70297-400, Brazil
| | - Diogo Martins-de-Sa
- Embrapa Genetic Resources and Biotechnology, Brasilia, DF, 70770-917, Brazil
- Federal University of Brasilia, UNB, Brasilia, DF, 70910-900, Brazil
| | - Maria Cristina Mattar Silva
- Embrapa Genetic Resources and Biotechnology, Brasilia, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, 70297-400, Brazil
| | - Janice de Almeida Engler
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, 70297-400, Brazil
- INRAE, Université Côte d'Azur, CNRS, ISA, 06903, Sophia Antipolis, France
| | - Maria Fatima Grossi-de-Sa
- Embrapa Genetic Resources and Biotechnology, Brasilia, DF, 70770-917, Brazil.
- National Institute of Science and Technology, INCT PlantStress Biotech, Embrapa, 70297-400, Brazil.
- Catholic University of Brasilia, Brasilia, DF, 71966-700, Brazil.
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11
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Vlaar LE, Bertran A, Rahimi M, Dong L, Kammenga JE, Helder J, Goverse A, Bouwmeester HJ. On the role of dauer in the adaptation of nematodes to a parasitic lifestyle. Parasit Vectors 2021; 14:554. [PMID: 34706780 PMCID: PMC8555053 DOI: 10.1186/s13071-021-04953-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 08/13/2021] [Indexed: 11/25/2022] Open
Abstract
Nematodes are presumably the most abundant Metazoa on Earth, and can even be found in some of the most hostile environments of our planet. Various types of hypobiosis evolved to adapt their life cycles to such harsh environmental conditions. The five most distal major clades of the phylum Nematoda (Clades 8-12), formerly referred to as the Secernentea, contain many economically relevant parasitic nematodes. In this group, a special type of hypobiosis, dauer, has evolved. The dauer signalling pathway, which culminates in the biosynthesis of dafachronic acid (DA), is intensively studied in the free-living nematode Caenorhabditis elegans, and it has been hypothesized that the dauer stage may have been a prerequisite for the evolution of a wide range of parasitic lifestyles among other nematode species. Biosynthesis of DA is not specific for hypobiosis, but if it results in exit of the hypobiotic state, it is one of the main criteria to define certain behaviour as dauer. Within Clades 9 and 10, the involvement of DA has been validated experimentally, and dauer is therefore generally accepted to occur in those clades. However, for other clades, such as Clade 12, this has hardly been explored. In this review, we provide clarity on the nomenclature associated with hypobiosis and dauer across different nematological subfields. We discuss evidence for dauer-like stages in Clades 8 to 12 and support this with a meta-analysis of available genomic data. Furthermore, we discuss indications for a simplified dauer signalling pathway in parasitic nematodes. Finally, we zoom in on the host cues that induce exit from the hypobiotic stage and introduce two hypotheses on how these signals might feed into the dauer signalling pathway for plant-parasitic nematodes. With this work, we contribute to the deeper understanding of the molecular mechanisms underlying hypobiosis in parasitic nematodes. Based on this, novel strategies for the control of parasitic nematodes can be developed.
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Affiliation(s)
- Lieke E Vlaar
- Plant Hormone Biology Group, Green Life Sciences Cluster, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Andre Bertran
- Laboratory of Nematology, Department of Plant Sciences, Wageningen University, 6708 PB, Wageningen, The Netherlands
| | - Mehran Rahimi
- Plant Hormone Biology Group, Green Life Sciences Cluster, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Lemeng Dong
- Plant Hormone Biology Group, Green Life Sciences Cluster, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Jan E Kammenga
- Laboratory of Nematology, Department of Plant Sciences, Wageningen University, 6708 PB, Wageningen, The Netherlands
| | - Johannes Helder
- Laboratory of Nematology, Department of Plant Sciences, Wageningen University, 6708 PB, Wageningen, The Netherlands
| | - Aska Goverse
- Laboratory of Nematology, Department of Plant Sciences, Wageningen University, 6708 PB, Wageningen, The Netherlands
| | - Harro J Bouwmeester
- Plant Hormone Biology Group, Green Life Sciences Cluster, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands.
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12
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Tóthné Bogdányi F, Boziné Pullai K, Doshi P, Erdős E, Gilián LD, Lajos K, Leonetti P, Nagy PI, Pantaleo V, Petrikovszki R, Sera B, Seres A, Simon B, Tóth F. Composted Municipal Green Waste Infused with Biocontrol Agents to Control Plant Parasitic Nematodes-A Review. Microorganisms 2021; 9:2130. [PMID: 34683451 PMCID: PMC8538326 DOI: 10.3390/microorganisms9102130] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 11/28/2022] Open
Abstract
The last few years have witnessed the emergence of alternative measures to control plant parasitic nematodes (PPNs). We briefly reviewed the potential of compost and the direct or indirect roles of soil-dwelling organisms against PPNs. We compiled and assessed the most intensively researched factors of suppressivity. Municipal green waste (MGW) was identified and profiled. We found that compost, with or without beneficial microorganisms as biocontrol agents (BCAs) against PPNs, were shown to have mechanisms for the control of plant parasitic nematodes. Compost supports a diverse microbiome, introduces and enhances populations of antagonistic microorganisms, releases nematicidal compounds, increases the tolerance and resistance of plants, and encourages the establishment of a "soil environment" that is unsuitable for PPNs. Our compilation of recent papers reveals that while the scope of research on compost and BCAs is extensive, the role of MGW-based compost (MGWC) in the control of PPNs has been given less attention. We conclude that the most environmentally friendly and long-term, sustainable form of PPN control is to encourage and enhance the soil microbiome. MGW is a valuable resource material produced in significant amounts worldwide. More studies are suggested on the use of MGWC, because it has a considerable potential to create and maintain soil suppressivity against PPNs. To expand knowledge, future research directions shall include trials investigating MGWC, inoculated with BCAs.
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Affiliation(s)
| | - Krisztina Boziné Pullai
- Doctoral School of Plant Sciences, Hungarian University of Agriculture and Life Sciences, H-2103 Gödöllő, Hungary; (K.B.P.); (R.P.)
| | - Pratik Doshi
- ImMuniPot Independent Research Group, H-2100 Gödöllő, Hungary
| | - Eszter Erdős
- Doctoral School of Biological Sciences, Hungarian University of Agriculture and Life Sciences, H-2103 Gödöllő, Hungary; (E.E.); (K.L.)
| | - Lilla Diána Gilián
- Szent István Campus Dormitories, Hungarian University of Agriculture and Life Sciences, H-2103 Gödöllő, Hungary;
| | - Károly Lajos
- Doctoral School of Biological Sciences, Hungarian University of Agriculture and Life Sciences, H-2103 Gödöllő, Hungary; (E.E.); (K.L.)
| | - Paola Leonetti
- Bari Unit, Department of Biology, Agricultural and Food Sciences, Institute for Sustainable Plant Protection of the CNR, 70126 Bari, Italy; (P.L.); (V.P.)
| | - Péter István Nagy
- Department of Zoology and Ecology, Institute for Wildlife Management and Nature Conservation, Hungarian University of Agriculture and Life Sciences, H-2103 Gödöllő, Hungary; (P.I.N.); (A.S.)
| | - Vitantonio Pantaleo
- Bari Unit, Department of Biology, Agricultural and Food Sciences, Institute for Sustainable Plant Protection of the CNR, 70126 Bari, Italy; (P.L.); (V.P.)
| | - Renáta Petrikovszki
- Doctoral School of Plant Sciences, Hungarian University of Agriculture and Life Sciences, H-2103 Gödöllő, Hungary; (K.B.P.); (R.P.)
- Department of Zoology and Ecology, Institute for Wildlife Management and Nature Conservation, Hungarian University of Agriculture and Life Sciences, H-2103 Gödöllő, Hungary; (P.I.N.); (A.S.)
| | - Bozena Sera
- Department of Environmental Ecology and Landscape Management, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, 842 15 Bratislava, Slovakia;
| | - Anikó Seres
- Department of Zoology and Ecology, Institute for Wildlife Management and Nature Conservation, Hungarian University of Agriculture and Life Sciences, H-2103 Gödöllő, Hungary; (P.I.N.); (A.S.)
| | - Barbara Simon
- Department of Soil Science, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, H-2103 Gödöllő, Hungary;
| | - Ferenc Tóth
- Department of Zoology and Ecology, Institute for Wildlife Management and Nature Conservation, Hungarian University of Agriculture and Life Sciences, H-2103 Gödöllő, Hungary; (P.I.N.); (A.S.)
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13
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Godinho Mendes RA, Basso MF, Fernandes de Araújo J, Paes de Melo B, Lima RN, Ribeiro TP, da Silva Mattos V, Saliba Albuquerque EV, Grossi-de-Sa M, Dessaune Tameirao SN, da Rocha Fragoso R, Mattar da Silva MC, Vignols F, Fernandez D, Grossi-de-Sa MF. Minc00344 and Mj-NULG1a effectors interact with GmHub10 protein to promote the soybean parasitism by Meloidogyne incognita and M. javanica. Exp Parasitol 2021; 229:108153. [PMID: 34508716 DOI: 10.1016/j.exppara.2021.108153] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 05/31/2021] [Accepted: 08/28/2021] [Indexed: 10/24/2022]
Abstract
Several economically important crops are susceptible to root-knot nematode (RKNs). Meloidogyne incognita and M. javanica are the two most reported species from the RKN complex, causing damage to several crops worldwide. The successful outcome of the Meloidogyne-plant interaction is associated with molecular factors secreted by the nematode to suppress the plant's immune response and promote nematode parasitism. In contrast, several plant factors are associated with defense against nematode infection. In this study, we identified and characterized the specific interaction of Minc00344 and Mj-NULG1a effectors with soybean GmHub10 (Glyma.19G008200) protein in vitro and in vivo. An Arabidopsis thaliana T-DNA mutant of AtHub10 (AT3G27960, an orthologous gene of GmHub10) showed higher susceptibility to M. incognita. Thus, since soybean and A. thaliana Hub10 proteins are involved in pollen tube growth and indirect activation of the defense response, our data suggest that effector-Hub10 interactions could be associated with an increase in plant susceptibility. These findings indicate the potential of these effector proteins to develop new biotechnological tools based on RNA interference and the overexpression of engineered Hub10 proteins for the efficient management of RKN in crops.
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Affiliation(s)
- Reneida Aparecida Godinho Mendes
- Embrapa Genetic Resources and Biotechnology, Brasília-DF, 70297-400, Brazil; Federal University of Brasília, Brasília-DF, 70910-900, Brazil
| | - Marcos Fernando Basso
- Embrapa Genetic Resources and Biotechnology, Brasília-DF, 70297-400, Brazil; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil
| | | | - Bruno Paes de Melo
- Embrapa Genetic Resources and Biotechnology, Brasília-DF, 70297-400, Brazil; Federal University of Viçosa, Viçosa-MG, 36570-900, Brazil
| | - Rayane Nunes Lima
- Embrapa Genetic Resources and Biotechnology, Brasília-DF, 70297-400, Brazil
| | | | | | | | - Maira Grossi-de-Sa
- Embrapa Genetic Resources and Biotechnology, Brasília-DF, 70297-400, Brazil; IRD, Cirad, Univ Montpellier, IPME, 911, Avenue Agropolis, 34394, Montpellier Cedex 5, France
| | | | | | - Maria Cristina Mattar da Silva
- Embrapa Genetic Resources and Biotechnology, Brasília-DF, 70297-400, Brazil; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil
| | - Florence Vignols
- Biochimie et Physiologie Moléculaire des Plantes, CNRS/INRA/Université de Montpellier/SupAgro, Montpellier, France
| | - Diana Fernandez
- Embrapa Genetic Resources and Biotechnology, Brasília-DF, 70297-400, Brazil; IRD, Cirad, Univ Montpellier, IPME, 911, Avenue Agropolis, 34394, Montpellier Cedex 5, France; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil
| | - Maria Fatima Grossi-de-Sa
- Embrapa Genetic Resources and Biotechnology, Brasília-DF, 70297-400, Brazil; Catholic University of Brasília, Brasília-DF, 71966-700, Brazil; National Institute of Science and Technology-INCT PlantStress Biotech-EMBRAPA, Brazil.
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14
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Zhou D, Xu J, Dong J, Li H, Wang D, Gu J, Zhang KQ, Zhang Y. Historical Differentiation and Recent Hybridization in Natural Populations of the Nematode-Trapping Fungus Arthrobotrys oligospora in China. Microorganisms 2021; 9:1919. [PMID: 34576814 PMCID: PMC8465350 DOI: 10.3390/microorganisms9091919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/06/2021] [Accepted: 09/07/2021] [Indexed: 01/10/2023] Open
Abstract
Maintaining the effects of nematode-trapping fungi (NTF) agents in order to control plant-parasitic nematodes (PPNs) in different ecological environments has been a major challenge in biological control applications. To achieve such an objective, it is important to understand how populations of the biocontrol agent NTF are geographically and ecologically structured. A previous study reported evidence for ecological adaptation in the model NTF species Arthrobotrys oligospora. However, their large-scale geographic structure, patterns of gene flow, their potential phenotypic diversification, and host specialization remain largely unknown. In this study, we developed a new panel of 20 polymorphic short tandem repeat (STR) markers and analyzed 239 isolates of A. oligospora from 19 geographic populations in China. In addition, DNA sequences at six nuclear gene loci and strain mating types (MAT) were obtained for these strains. Our analyses suggest historical divergence within the A. oligospora population in China. The genetically differentiated populations also showed phenotypic differences that may be related to their ecological adaptations. Interestingly, our analyses identified evidence for recent dispersion and hybridization among the historically subdivided geographic populations in nature. Together, our results indicate a changing population structure of A. oligospora in China and that care must be taken in selecting the appropriate strains as biocontrol agents that can effectively reproduce in agriculture soil while maintaining their nematode-trapping ability.
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Affiliation(s)
- Duanyong Zhou
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory for Southwest Microbial Diversity of the Ministry of Education, Yunnan University, Kunming 650032, China; (D.Z.); (J.D.); (H.L.); (D.W.)
- School of Life Science, Yunnan University, Kunming 650032, China;
- School of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China
| | - Jianping Xu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory for Southwest Microbial Diversity of the Ministry of Education, Yunnan University, Kunming 650032, China; (D.Z.); (J.D.); (H.L.); (D.W.)
- Department of Biology, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Jianyong Dong
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory for Southwest Microbial Diversity of the Ministry of Education, Yunnan University, Kunming 650032, China; (D.Z.); (J.D.); (H.L.); (D.W.)
- School of Life Science, Yunnan University, Kunming 650032, China;
| | - Haixia Li
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory for Southwest Microbial Diversity of the Ministry of Education, Yunnan University, Kunming 650032, China; (D.Z.); (J.D.); (H.L.); (D.W.)
- School of Life Science, Yunnan University, Kunming 650032, China;
| | - Da Wang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory for Southwest Microbial Diversity of the Ministry of Education, Yunnan University, Kunming 650032, China; (D.Z.); (J.D.); (H.L.); (D.W.)
- School of Life Science, Yunnan University, Kunming 650032, China;
| | - Juan Gu
- School of Life Science, Yunnan University, Kunming 650032, China;
| | - Ke-Qin Zhang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory for Southwest Microbial Diversity of the Ministry of Education, Yunnan University, Kunming 650032, China; (D.Z.); (J.D.); (H.L.); (D.W.)
| | - Ying Zhang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory for Southwest Microbial Diversity of the Ministry of Education, Yunnan University, Kunming 650032, China; (D.Z.); (J.D.); (H.L.); (D.W.)
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15
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Long X, He NM, Tan LX, Yang YH, Zhou JP, Liu ZY, Mo MH, Liu T. Methylglyoxal Has Different Impacts on the Fungistatic Roles of Ammonia and Benzaldehyde, and Lactoylglutathione Lyase Is Necessary for the Resistance of Arthrobotrys oligospora to Soil Fungistasis. Front Cell Infect Microbiol 2021; 11:640823. [PMID: 33996625 PMCID: PMC8113876 DOI: 10.3389/fcimb.2021.640823] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 04/06/2021] [Indexed: 12/20/2022] Open
Abstract
Biocontrol of root-knot nematode has attracted increasing attention over the past two decades. The inconsistent field performance of biocontrol agents, which is caused by soil fungistasis, often restricts their commercial application. There is still a lack of research on the genes involved in biocontrol fungi response to soil fungistasis, which is important for optimizing practical applications of biocontrol fungi. In this study, the lactoylglutathione lyase-encoding AOL_s00004g335 in the nematophagous fungi Arthrobotrys oligospora was knocked out, and three mutant strains were obtained. The hyphal growth of mutants on the three media was almost the same as that of the wild-type strain, but mutants had slightly higher resistance to NaCl, SDS, and H2O2. Methylglyoxal (MG) significantly increased the resistance of A. oligospora to ammonia, but decreased the resistance to benzaldehyde. Furthermore, the resistance of the mutants to soil fungistasis was largely weakened and MG could not increase the resistance of A. oligospora to soil fungistasis. Our results revealed that MG has different effects on the fungistatic roles of ammonia and benzaldehyde and that lactoylglutathione lyase is very important for A. oligospora to resist soil fungistasis.
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Affiliation(s)
- Xi Long
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, China
| | - Nian-Min He
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, China
| | - Li-Xue Tan
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, China
| | - Yun-He Yang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, China
| | - Jia-Peng Zhou
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, China
| | - Zi-Yi Liu
- Technical Center, Puer Corporation of Yunnan Tobacco Corporation, Puer, China
| | - Ming-He Mo
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, China.,Biocontrol Engineering Research Center of Crop Disease and Pest in Yunnan Province, Yunnan University, Kunming, China
| | - Tong Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, China
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16
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Kooliyottil R, Rao Gadhachanda K, Solo N, Dandurand LM. ATP-Binding Cassette (ABC) Transporter Genes in Plant-Parasitic Nematodes: An Opinion for Development of Novel Control Strategy. FRONTIERS IN PLANT SCIENCE 2020; 11:582424. [PMID: 33329645 PMCID: PMC7715011 DOI: 10.3389/fpls.2020.582424] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 10/05/2020] [Indexed: 05/18/2023]
Affiliation(s)
- Rinu Kooliyottil
- Citrus Budwood Registration Program, Division of Plant Industry, Florida Department of Agriculture and Consumer Services, La Crosse, FL, United States
- Department of Entomology, Plant Pathology and Nematology, University of Idaho, Moscow, ID, United States
| | | | - Nejra Solo
- Department of Entomology, Plant Pathology and Nematology, University of Idaho, Moscow, ID, United States
| | - Louise-Marie Dandurand
- Department of Entomology, Plant Pathology and Nematology, University of Idaho, Moscow, ID, United States
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