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Derbyshire MC, Newman TE, Thomas WJW, Batley J, Edwards D. The complex relationship between disease resistance and yield in crops. PLANT BIOTECHNOLOGY JOURNAL 2024; 22:2612-2623. [PMID: 38743906 PMCID: PMC11331782 DOI: 10.1111/pbi.14373] [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: 10/16/2023] [Revised: 04/03/2024] [Accepted: 04/28/2024] [Indexed: 05/16/2024]
Abstract
In plants, growth and defence are controlled by many molecular pathways that are antagonistic to one another. This results in a 'growth-defence trade-off', where plants temporarily reduce growth in response to pests or diseases. Due to this antagonism, genetic variants that improve resistance often reduce growth and vice versa. Therefore, in natural populations, the most disease resistant individuals are often the slowest growing. In crops, slow growth may translate into a yield penalty, but resistance is essential for protecting yield in the presence of disease. Therefore, plant breeders must balance these traits to ensure optimal yield potential and yield stability. In crops, both qualitative and quantitative disease resistance are often linked with genetic variants that cause yield penalties, but this is not always the case. Furthermore, both crop yield and disease resistance are complex traits influenced by many aspects of the plant's physiology, morphology and environment, and the relationship between the molecular growth-defence trade-off and disease resistance-yield antagonism is not well-understood. In this article, we highlight research from the last 2 years on the molecular mechanistic basis of the antagonism between defence and growth. We then discuss the interaction between disease resistance and crop yield from a breeding perspective, outlining the complexity and nuances of this relationship and where research can aid practical methods for simultaneous improvement of yield potential and disease resistance.
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Affiliation(s)
- Mark C. Derbyshire
- Centre for Crop and Disease ManagementCurtin UniversityPerthWestern AustraliaAustralia
| | - Toby E. Newman
- Centre for Crop and Disease ManagementCurtin UniversityPerthWestern AustraliaAustralia
| | - William J. W. Thomas
- Centre for Applied Bioinformatics and School of Biological ScienceUniversity of Western AustraliaPerthWestern AustraliaAustralia
| | - Jacqueline Batley
- Centre for Applied Bioinformatics and School of Biological ScienceUniversity of Western AustraliaPerthWestern AustraliaAustralia
| | - David Edwards
- Centre for Applied Bioinformatics and School of Biological ScienceUniversity of Western AustraliaPerthWestern AustraliaAustralia
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Li Y, Wang Q, Jia H, Ishikawa K, Kosami KI, Ueba T, Tsujimoto A, Yamanaka M, Yabumoto Y, Miki D, Sasaki E, Fukao Y, Fujiwara M, Kaneko-Kawano T, Tan L, Kojima C, Wing RA, Sebastian A, Nishimura H, Fukada F, Niu Q, Shimizu M, Yoshida K, Terauchi R, Shimamoto K, Kawano Y. An NLR paralog Pit2 generated from tandem duplication of Pit1 fine-tunes Pit1 localization and function. Nat Commun 2024; 15:4610. [PMID: 38816417 PMCID: PMC11139913 DOI: 10.1038/s41467-024-48943-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 05/17/2024] [Indexed: 06/01/2024] Open
Abstract
NLR family proteins act as intracellular receptors. Gene duplication amplifies the number of NLR genes, and subsequent mutations occasionally provide modifications to the second gene that benefits immunity. However, evolutionary processes after gene duplication and functional relationships between duplicated NLRs remain largely unclear. Here, we report that the rice NLR protein Pit1 is associated with its paralogue Pit2. The two are required for the resistance to rice blast fungus but have different functions: Pit1 induces cell death, while Pit2 competitively suppresses Pit1-mediated cell death. During evolution, the suppression of Pit1 by Pit2 was probably generated through positive selection on two fate-determining residues in the NB-ARC domain of Pit2, which account for functional differences between Pit1 and Pit2. Consequently, Pit2 lost its plasma membrane localization but acquired a new function to interfere with Pit1 in the cytosol. These findings illuminate the evolutionary trajectory of tandemly duplicated NLR genes after gene duplication.
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Affiliation(s)
- Yuying Li
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518120, China
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 201602, China
| | - Qiong Wang
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 201602, China
- College of Plant Protection, Yangzhou University, Yangzhou, 225009, China
| | - Huimin Jia
- College of Agronomy, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi, China
| | - Kazuya Ishikawa
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 201602, China
- College of Life Sciences, Ritsumeikan University, Kusatsu, 525-8577, Japan
| | - Ken-Ichi Kosami
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 201602, China
- Fruit Tree Research Center, Ehime Research Institute of Agriculture, Forestry and Fisheries, Ehime, 791-0112, Japan
| | - Takahiro Ueba
- Laboratory of Plant Molecular Genetics, Nara Institute of Science and Technology, Nara, 630-0101, Japan
| | - Atsumi Tsujimoto
- Laboratory of Plant Molecular Genetics, Nara Institute of Science and Technology, Nara, 630-0101, Japan
| | - Miki Yamanaka
- Laboratory of Plant Molecular Genetics, Nara Institute of Science and Technology, Nara, 630-0101, Japan
| | - Yasuyuki Yabumoto
- Laboratory of Plant Molecular Genetics, Nara Institute of Science and Technology, Nara, 630-0101, Japan
| | - Daisuke Miki
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 201602, China
| | - Eriko Sasaki
- Faculty of Science, Kyushu University, Fukuoka, 819-0395, Japan
| | - Yoichiro Fukao
- Department of Bioinformatics, Ritsumeikan University, Shiga, 525-8577, Japan
| | | | - Takako Kaneko-Kawano
- College of Pharmaceutical Sciences, Ritsumeikan University, Shiga, 525-8577, Japan
| | - Li Tan
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 201602, China
| | - Chojiro Kojima
- Graduate School of Engineering Science, Yokohama National University, Yokohama, Kanagawa, 240-8501, Japan
| | - Rod A Wing
- Arizona Genomics Institute, School of Plant Sciences, University of Arizona, Tucson, AZ, USA
| | - Alfino Sebastian
- Institute of Plant Science and Resources, Okayama University, Okayama, 710-0046, Japan
| | - Hideki Nishimura
- Institute of Plant Science and Resources, Okayama University, Okayama, 710-0046, Japan
| | - Fumi Fukada
- Institute of Plant Science and Resources, Okayama University, Okayama, 710-0046, Japan
| | - Qingfeng Niu
- Advanced Academy, Anhui Agricultural University, Research Centre for Biological Breeding Technology, Hefei, Anhui, 230036, China
| | - Motoki Shimizu
- Iwate Biotechnology Research Center, Iwate, 024-0003, Japan
| | - Kentaro Yoshida
- Graduate School of Agriculture, Kyoto University, Kyoto, 617-0001, Japan
| | - Ryohei Terauchi
- Iwate Biotechnology Research Center, Iwate, 024-0003, Japan
- Graduate School of Agriculture, Kyoto University, Kyoto, 617-0001, Japan
| | - Ko Shimamoto
- Laboratory of Plant Molecular Genetics, Nara Institute of Science and Technology, Nara, 630-0101, Japan
| | - Yoji Kawano
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 201602, China.
- Institute of Plant Science and Resources, Okayama University, Okayama, 710-0046, Japan.
- Kihara Institute for Biological Research, Yokohama City University, Yokohama, Kanagawa, 244-0813, Japan.
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On Sun Lau. THE NEW PHYTOLOGIST 2024; 241:982-983. [PMID: 37904596 DOI: 10.1111/nph.19347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
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Nowak B, Tomkowiak A, Sobiech A, Bocianowski J, Kowalczewski PŁ, Spychała J, Jamruszka T. Identification and Analysis of Candidate Genes Associated with Yield Structure Traits and Maize Yield Using Next-Generation Sequencing Technology. Genes (Basel) 2023; 15:56. [PMID: 38254946 PMCID: PMC10815399 DOI: 10.3390/genes15010056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 12/19/2023] [Indexed: 01/24/2024] Open
Abstract
The main challenge of agriculture in the 21st century is the continuous increase in food production. In addition to ensuring food security, the goal of modern agriculture is the continued development and production of plant-derived biomaterials. Conventional plant breeding methods do not allow breeders to achieve satisfactory results in obtaining new varieties in a short time. Currently, advanced molecular biology tools play a significant role worldwide, markedly contributing to biological progress. The aim of this study was to identify new markers linked to candidate genes determining grain yield. Next-generation sequencing, gene association, and physical mapping were used to identify markers. An additional goal was to also optimize diagnostic procedures to identify molecular markers on reference materials. As a result of the conducted research, 19 SNP markers significantly associated with yield structure traits in maize were identified. Five of these markers (28629, 28625, 28640, 28649, and 29294) are located within genes that can be considered candidate genes associated with yield traits. For two markers (28639 and 29294), different amplification products were obtained on the electrophorograms. For marker 28629, a specific product of 189 bp was observed for genotypes 1, 4, and 10. For marker 29294, a specific product of 189 bp was observed for genotypes 1 and 10. Both markers can be used for the preliminary selection of well-yielding genotypes.
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Affiliation(s)
- Bartosz Nowak
- Smolice Plant Breeding Ltd., IHAR Group, Smolice 146, 63-740 Kobylin, Poland;
| | - Agnieszka Tomkowiak
- Department of Genetics and Plant Breeding, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland; (A.S.); (J.S.); (T.J.)
| | - Aleksandra Sobiech
- Department of Genetics and Plant Breeding, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland; (A.S.); (J.S.); (T.J.)
| | - Jan Bocianowski
- Department of Mathematical and Statistical Methods, Poznań University of Life Sciences, Wojska Polskiego 28, 60-637 Poznań, Poland;
| | - Przemysław Łukasz Kowalczewski
- Department of Food Technology of Plant Origin, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznań, Poland;
| | - Julia Spychała
- Department of Genetics and Plant Breeding, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland; (A.S.); (J.S.); (T.J.)
| | - Tomasz Jamruszka
- Department of Genetics and Plant Breeding, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland; (A.S.); (J.S.); (T.J.)
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Baruah AR, Bannai H, Meija Y, Kimura A, Ueno H, Koide Y, Kishima Y, Palta J, Kasuga J, Yamamoto MP, Onishi K. Genetics of chilling response at early growth stage in rice: a recessive gene for tolerance and importance of acclimation. AOB PLANTS 2023; 15:plad075. [PMID: 38028749 PMCID: PMC10676198 DOI: 10.1093/aobpla/plad075] [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: 08/03/2023] [Accepted: 11/06/2023] [Indexed: 12/01/2023]
Abstract
Low-temperature adaptation in rice is mediated by the ability of a genotype to tolerate chilling temperatures. A genetic locus on chromosome 11 was analysed for chilling tolerance at the plumule stage in rice. The tolerant allele of A58, a japonica landrace in Japan, was inherited as a recessive gene (ctp-1A58), whereas the susceptible alleles from wild rice (Ctp-1W107) and modern variety (Ctp-1HY) were the dominant genes. Another recessive tolerant allele (ctp-1Silewah) was found in a tropical japonica variety (Silewah). Fine-mapping revealed that a candidate gene for the ctp-1 locus encoded a protein similar to the nucleotide-binding domain and leucine-rich repeat (NLR) protein, in which frameshift mutation by a 73 bp-deletion might confer chilling tolerance in ctp-1A58. Analysis of near-isogenic lines demonstrated that ctp-1A58 imparted tolerance effects only at severe chilling temperatures of 0.5 °C and 2 °C, both at plumule and seedling stages. Chilling acclimation treatments at a wide range of temperatures (8 °C-16 °C) for 72 h concealed the susceptible phenotype of Ctp-1W107 and Ctp-1HY. Furthermore, short-term acclimation treatment of 12 h at 8 °C was enough to be fully acclimated. These results suggest that the NLR gene induces a susceptible response upon exposure to severe chilling stress, however, another interacting gene(s) for acclimation response could suppress the maladaptive phenotype caused by the Ctp-1 allele. This study provides new insights for the adaptation and breeding of rice in a low-temperature environment.
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Affiliation(s)
- Akhil Ranjan Baruah
- Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat-13, Assam, India
- Research Faculty of Agriculture, Hokkaido University, Sapporo, Hokkaido 060-8589, Japan
| | - Hiroaki Bannai
- Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
| | - Yan Meija
- Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
| | - Ayumi Kimura
- Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
| | - Haruka Ueno
- Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
| | - Yohei Koide
- Research Faculty of Agriculture, Hokkaido University, Sapporo, Hokkaido 060-8589, Japan
| | - Yuji Kishima
- Research Faculty of Agriculture, Hokkaido University, Sapporo, Hokkaido 060-8589, Japan
| | - Jiwan Palta
- Department of Horticulture, University of Wisconsin-Madison, 490 Moore Hall, 1575 Linden Drive, Madison, WI 53706, USA
| | - Jun Kasuga
- Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
| | - Masayuki P Yamamoto
- Faculty of Science, Academic Assembly, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
| | - Kazumitsu Onishi
- Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
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Deblieck M, Ordon F, Serfling A. Mapping of prehaustorial resistance against wheat leaf rust in einkorn ( Triticum monococcum), a progenitor of wheat. FRONTIERS IN PLANT SCIENCE 2023; 14:1252123. [PMID: 37936932 PMCID: PMC10626456 DOI: 10.3389/fpls.2023.1252123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/25/2023] [Indexed: 11/09/2023]
Abstract
Wheat leaf rust (Puccinia triticina) is one of the most significant fungal diseases of wheat, causing substantial yield losses worldwide. Infestation is currently being reduced by fungicide treatments and mostly vertical resistance. However, these measures often break down when the fungal virulence pattern changes, resulting in a breakdown of vertical resistances. In contrast, the prehaustorial resistance (phr) that occurs in the einkorn-wheat leaf rust interaction is race-independent, characterized by an early defense response of plants during the prehaustorial phase of infestation. Einkorn (Triticum monococcum) is closely related to Triticum urartu as a progenitor of wheat and generally shows a high level of resistance against leaf rust of wheat. Hence, einkorn can serve as a valuable source to improve the level of resistance to the pathogen in future wheat lines. In particular, einkorn accession PI272560 is known to exhibit a hypersensitive prehaustorial effector triggered immune reaction, preventing the infection of P. triticina. Remarkably, this effector-triggered immune reaction turned out to be atypical as it is non-race-specific (horizontal). To genetically dissect the prehaustorial resistance (phr) in PI272560, a biparental F2 population of 182 plants was established after crossing PI272560 with the susceptible T. boeoticum accession 36554. Three genetic maps comprising 2,465 DArT-seq markers were constructed, and a major QTL was detected on chromosome 5A. To locate underlying candidate genes, marker sequences flanking the respective QTL were aligned to the T. urartu reference genome and transcriptome data available from the parental accessions were used. Within the QTL interval of approximately 16.13 million base pairs, the expression of genes under inoculated and non-inoculated conditions was analyzed via a massive analysis of cDNA (MACE). Remarkably, a single gene located 3.4 Mbp from the peak marker within the major QTL was upregulated (20- to 95-fold) after the inoculation in the resistant accession in comparison to the susceptible T. boeoticum accession. This gene belongs to a berberine bridge enzyme-like protein that is suspected to interact on the plant surface with glycoside hydrolases (GH) secreted by the fungus and to induce a hypersensitive defense reaction in the plant after fungal infections.
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Ivanov PA, Gasanova TV, Repina MN, Zamyatnin AA. Signaling and Resistosome Formation in Plant Innate Immunity to Viruses: Is There a Common Mechanism of Antiviral Resistance Conserved across Kingdoms? Int J Mol Sci 2023; 24:13625. [PMID: 37686431 PMCID: PMC10487714 DOI: 10.3390/ijms241713625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/16/2023] [Accepted: 08/31/2023] [Indexed: 09/10/2023] Open
Abstract
Virus-specific proteins, including coat proteins, movement proteins, replication proteins, and suppressors of RNA interference are capable of triggering the hypersensitive response (HR), which is a type of cell death in plants. The main cell death signaling pathway involves direct interaction of HR-inducing proteins with nucleotide-binding leucine-rich repeats (NLR) proteins encoded by plant resistance genes. Singleton NLR proteins act as both sensor and helper. In other cases, NLR proteins form an activation network leading to their oligomerization and formation of membrane-associated resistosomes, similar to metazoan inflammasomes and apoptosomes. In resistosomes, coiled-coil domains of NLR proteins form Ca2+ channels, while toll-like/interleukin-1 receptor-type (TIR) domains form oligomers that display NAD+ glycohydrolase (NADase) activity. This review is intended to highlight the current knowledge on plant innate antiviral defense signaling pathways in an attempt to define common features of antiviral resistance across the kingdoms of life.
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Affiliation(s)
- Peter A. Ivanov
- Faculty of Biology, Lomonosov Moscow State University, Moscow 119234, Russia; (P.A.I.); (T.V.G.); (M.N.R.)
| | - Tatiana V. Gasanova
- Faculty of Biology, Lomonosov Moscow State University, Moscow 119234, Russia; (P.A.I.); (T.V.G.); (M.N.R.)
| | - Maria N. Repina
- Faculty of Biology, Lomonosov Moscow State University, Moscow 119234, Russia; (P.A.I.); (T.V.G.); (M.N.R.)
| | - Andrey A. Zamyatnin
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow 119234, Russia
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia
- Research Center for Translational Medicine, Sirius University of Science and Technology, Sirius 354340, Krasnodar Region, Russia
- Institute of Translational Medicine and Biotechnology, Sechenov First Moscow State Medical University, Moscow 119991, Russia
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Jin S, Han Z, Hu Y, Si Z, Dai F, He L, Cheng Y, Li Y, Zhao T, Fang L, Zhang T. Structural variation (SV)-based pan-genome and GWAS reveal the impacts of SVs on the speciation and diversification of allotetraploid cottons. MOLECULAR PLANT 2023; 16:678-693. [PMID: 36760124 DOI: 10.1016/j.molp.2023.02.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 01/22/2023] [Accepted: 02/05/2023] [Indexed: 06/18/2023]
Abstract
Structural variations (SVs) have long been described as being involved in the origin, adaption, and domestication of species. However, the underlying genetic and genomic mechanisms are poorly understood. Here, we report a high-quality genome assembly of Gossypium barbadense acc. Tanguis, a landrace that is closely related to formation of extra-long-staple (ELS) cultivated cotton. An SV-based pan-genome (Pan-SV) was then constructed using a total of 182 593 non-redundant SVs, including 2236 inversions, 97 398 insertions, and 82 959 deletions from 11 assembled genomes of allopolyploid cotton. The utility of this Pan-SV was then demonstrated through population structure analysis and genome-wide association studies (GWASs). Using segregation mapping populations produced through crossing ELS cotton and the landrace along with an SV-based GWAS, certain SVs responsible for speciation, domestication, and improvement in tetraploid cottons were identified. Importantly, some of the SVs presently identified as associated with the yield and fiber quality improvement had not been identified in previous SNP-based GWAS. In particular, a 9-bp insertion or deletion was found to associate with elimination of the interspecific reproductive isolation between Gossypium hirsutum and G. barbadense. Collectively, this study provides new insights into genome-wide, gene-scale SVs linked to important agronomic traits in a major crop species and highlights the importance of SVs during the speciation, domestication, and improvement of cultivated crop species.
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Affiliation(s)
- Shangkun Jin
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China; Hainan Institute of Zhejiang University, Sanya 572025, China
| | - Zegang Han
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China; Hainan Institute of Zhejiang University, Sanya 572025, China
| | - Yan Hu
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China; Hainan Institute of Zhejiang University, Sanya 572025, China
| | - Zhanfeng Si
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Fan Dai
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Lu He
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Yu Cheng
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Yiqian Li
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Ting Zhao
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Lei Fang
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China; Hainan Institute of Zhejiang University, Sanya 572025, China
| | - Tianzhen Zhang
- Zhejiang Provincial Engineering Center for Crop Precision Breeding, Advanced Seed Institute, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China; Hainan Institute of Zhejiang University, Sanya 572025, China.
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Yu H, Yang L, Li Z, Sun F, Li B, Guo S, Wang YF, Zhou T, Hua J. In situ deletions reveal regulatory components for expression of an intracellular immune receptor gene and its co-expressed genes in Arabidopsis. PLANT, CELL & ENVIRONMENT 2023; 46:621-634. [PMID: 36368774 DOI: 10.1111/pce.14489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
Intracellular immune receptor nucleotide-binding leucine-rich repeats (NLRs) are highly regulated transcriptionally and post-transcriptionally for balanced plant defence and growth. NLR genes often exist in gene clusters and are usually co-expressed under various conditions. Despite of intensive studies of regulation of NLR proteins, cis-acting elements for NLR gene induction, repression or co-expression are largely unknown due to a larger than usual cis-region for their expression regulation. Here we used the CRISPR/Cas9 genome editing technology to generate a series of in situ deletions at the endogenous location of a NLR gene SNC1 residing in the RPP5 gene cluster. These deletions that made in the wild type and the SNC1 constitutive expressing autoimmune mutant bon1 revealed both positive and negative cis-acting elements for SNC1 expression. Two transcription factors that could bind to these elements were found to have an impact on the expression of SNC1. In addition, co-expression of two genes with SNC1 in the same cluster is found to be mostly dependent on the SNC1 function. Therefore, SNC1 expression is under complex local regulation involving multiple cis elements and SNC1 itself is a critical regulator of gene expression of other NLR genes in the same gene cluster.
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Affiliation(s)
- Huiyun Yu
- Key Laboratory of Food Quality and Safety, Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu, China
- Plant Biology Section, School Of Integrative Plant Science, Cornell University, Ithaca, New York, USA
| | - Leiyun Yang
- Plant Biology Section, School Of Integrative Plant Science, Cornell University, Ithaca, New York, USA
| | - Zhan Li
- Plant Biology Section, School Of Integrative Plant Science, Cornell University, Ithaca, New York, USA
| | - Feng Sun
- Key Laboratory of Food Quality and Safety, Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu, China
| | - Bo Li
- Department of Neurosurgery, Huashan Hospital, Institute for Translational Brain Research, State Key Laboratory of Medical Neurobiology, MOE Frontiers Centre for Brain Science, Fudan University, Shanghai, China
| | - Shengsong Guo
- Plant Biology Section, School Of Integrative Plant Science, Cornell University, Ithaca, New York, USA
| | - Yong-Fei Wang
- National Key Laboratory of Plant Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Tong Zhou
- Key Laboratory of Food Quality and Safety, Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu, China
- International Rice Research Institute and Jiangsu Academy of Agricultural Sciences Joint Laboratory, Nanjing, Jiangsu, China
| | - Jian Hua
- Plant Biology Section, School Of Integrative Plant Science, Cornell University, Ithaca, New York, USA
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Adachi H, Sakai T, Harant A, Pai H, Honda K, Toghani A, Claeys J, Duggan C, Bozkurt TO, Wu CH, Kamoun S. An atypical NLR protein modulates the NRC immune receptor network in Nicotiana benthamiana. PLoS Genet 2023; 19:e1010500. [PMID: 36656829 PMCID: PMC9851556 DOI: 10.1371/journal.pgen.1010500] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 10/27/2022] [Indexed: 01/20/2023] Open
Abstract
The NRC immune receptor network has evolved in asterid plants from a pair of linked genes into a genetically dispersed and phylogenetically structured network of sensor and helper NLR (nucleotide-binding domain and leucine-rich repeat-containing) proteins. In some species, such as the model plant Nicotiana benthamiana and other Solanaceae, the NRC (NLR-REQUIRED FOR CELL DEATH) network forms up to half of the NLRome, and NRCs are scattered throughout the genome in gene clusters of varying complexities. Here, we describe NRCX, an atypical member of the NRC family that lacks canonical features of these NLR helper proteins, such as a functional N-terminal MADA motif and the capacity to trigger autoimmunity. In contrast to other NRCs, systemic gene silencing of NRCX in N. benthamiana markedly impairs plant growth resulting in a dwarf phenotype. Remarkably, dwarfism of NRCX silenced plants is partially dependent on NRCX paralogs NRC2 and NRC3, but not NRC4. Despite its negative impact on plant growth when silenced systemically, spot gene silencing of NRCX in mature N. benthamiana leaves doesn't result in visible cell death phenotypes. However, alteration of NRCX expression modulates the hypersensitive response mediated by NRC2 and NRC3 in a manner consistent with a negative role for NRCX in the NRC network. We conclude that NRCX is an atypical member of the NRC network that has evolved to contribute to the homeostasis of this genetically unlinked NLR network.
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Affiliation(s)
- Hiroaki Adachi
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
- Laboratory of Crop Evolution, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
- JST-PRESTO, Saitama, Japan
| | - Toshiyuki Sakai
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
- Laboratory of Crop Evolution, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Adeline Harant
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
| | - Hsuan Pai
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
| | - Kodai Honda
- Laboratory of Crop Evolution, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - AmirAli Toghani
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
| | - Jules Claeys
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
| | - Cian Duggan
- Department of Life Sciences, Imperial College London, London, United Kingdom
| | - Tolga O. Bozkurt
- Department of Life Sciences, Imperial College London, London, United Kingdom
| | - Chih-hang Wu
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan
| | - Sophien Kamoun
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
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11
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Wang Z, Yang L, Jander G, Bhawal R, Zhang S, Liu Z, Oakley A, Hua J. AIG2A and AIG2B limit the activation of salicylic acid-regulated defenses by tryptophan-derived secondary metabolism in Arabidopsis. THE PLANT CELL 2022; 34:4641-4660. [PMID: 35972413 PMCID: PMC9614473 DOI: 10.1093/plcell/koac255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 08/11/2022] [Indexed: 05/04/2023]
Abstract
Chemical defense systems involving tryptophan-derived secondary metabolites (TDSMs) and salicylic acid (SA) are induced by general nonself signals and pathogen signals, respectively, in Arabidopsis thaliana. Whether and how these chemical defense systems are connected and balanced is largely unknown. In this study, we identified the AVRRPT2-INDUCED GENE2A (AIG2A) and AIG2B genes as gatekeepers that prevent activation of SA defense systems by TDSMs. These genes also were identified as important contributors to natural variation in disease resistance among A. thaliana natural accessions. The loss of AIG2A and AIG2B function leads to upregulation of both SA and TDSM defense systems. Suppressor screens and genetic analysis revealed that a functional TDSM system is required for the upregulation of the SA pathway in the absence of AIG2A and AIG2B, but not vice versa. Furthermore, the AIG2A and AIG2B genes are co-induced with TDSM biosynthesis genes by general pathogen elicitors and nonself signals, thereby functioning as a feedback control of the TDSM defense system, as well as limiting activation of the SA defense system by TDSMs. Thus, this study uncovers an AIG2A- and AIG2B-mediated mechanism that fine-tunes and balances SA and TDSM chemical defense systems in response to nonpathogenic and pathogenic microbes.
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Affiliation(s)
- Zhixue Wang
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York 14853, USA
| | - Leiyun Yang
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York 14853, USA
| | - Georg Jander
- Boyce Thompson Institute, Ithaca, New York 14853, USA
| | - Ruchika Bhawal
- Proteomics and Metabolomics Facility, Cornell University, New York 14853, USA
| | - Sheng Zhang
- Proteomics and Metabolomics Facility, Cornell University, New York 14853, USA
| | - Zhenhua Liu
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York 14853, USA
| | - Aaron Oakley
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, New South Wales 2522, Australia
| | - Jian Hua
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York 14853, USA
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12
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Hu Y, Su C, Zhang Y, Li Y, Chen X, Shang H, Hu X. A Puccinia striiformis f. sp. tritici effector inhibits high-temperature seedling-plant resistance in wheat. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 112:249-267. [PMID: 35960661 DOI: 10.1111/tpj.15945] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 08/07/2022] [Accepted: 08/09/2022] [Indexed: 06/15/2023]
Abstract
Resistance to Pseudomonas syringae pv. maculicola 1 (RPM1)-induced protein kinase (RIPK) in Arabidopsis belongs to the receptor-like cytoplasmic kinase (RLCK) family and plays a vital role in immunity. However, the role of RLCKs in the high-temperature seedling-plant (HTSP) resistance of wheat (Triticum aestivum) to Puccinia striiformis f. sp. tritici (Pst), the stripe rust pathogen, remains unclear. Here, we identified a homologous gene of RIPK in wheat, namely TaRIPK. Expression of TaRIPK was induced by Pst inoculation and high temperatures. Silencing of TaRIPK reduced the expression level of TaRPM1, resulting in weaker HTSP resistance. Moreover, TaRIPK interacts with and phosphorylates papain-like cysteine protease 1 (TaPLCP1). Meanwhile, we found that the Pst-secreted protein PSTG_01766 targets TaPLCP1. Transient expression of PSTG_01766 inhibited basal immunity in tobacco (Nicotiana benthamiana) and wheat. The role of PSTG_01766 as an effector involved in HTSP resistance was further supported by host-induced gene silencing and bacterial type three secretion system-mediated delivery into wheat. PSTG_01766 inhibited the TaRIPK-induced phosphorylation of TaPLCP1. Furthermore, PSTG_01766 has the potential to influence the subcellular localization of TaPLCP1. Overall, we suggest that the TaRIPK-TaPLCP1-TaRPM1 module fits the guard model for disease resistance, participating in HTSP resistance. PSTG_01766 decreases HTSP resistance via targeting TaPLCP1. Guarded by wheat and attacked by Pst, TaPLCP1 may serve as a central hub of the defense response. Our findings improve the understanding of the molecular mechanism of wheat HTSP resistance, which may be an important strategy for controlling stripe rust in the face of global warming.
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Affiliation(s)
- Yangshan Hu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Chang Su
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yue Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yuxiang Li
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xianming Chen
- Agricultural Research Service, United States Department of Agriculture and Department of Plant Pathology, Washington State University, Pullman, WA, 99164-6430, USA
| | - Hongsheng Shang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xiaoping Hu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
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13
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Sobol G, Chakraborty J, Martin GB, Sessa G. The Emerging Role of PP2C Phosphatases in Tomato Immunity. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2022; 35:737-747. [PMID: 35696659 DOI: 10.1094/mpmi-02-22-0037-cr] [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: 06/15/2023]
Abstract
The antagonistic effect of plant immunity on growth likely drove evolution of molecular mechanisms that prevent accidental initiation and prolonged activation of plant immune responses. Signaling networks of pattern-triggered and effector-triggered immunity, the two main layers of plant immunity, are tightly regulated by the activity of protein phosphatases that dephosphorylate their protein substrates and reverse the action of protein kinases. Members of the PP2C class of protein phosphatases have emerged as key negative regulators of plant immunity, primarily from research in the model plant Arabidopsis thaliana, revealing the potential to employ PP2C proteins to enhance plant disease resistance. As a first step towards focusing on the PP2C family for both basic and translational research, we analyzed the tomato genome sequence to ascertain the complement of the tomato PP2C family, identify conserved protein domains and signals in PP2C amino acid sequences, and examine domain combinations in individual proteins. We then identified tomato PP2Cs that are candidate regulators of single or multiple layers of the immune signaling network by in-depth analysis of publicly available RNA-seq datasets. These included expression profiles of plants treated with fungal or bacterial pathogen-associated molecular patterns, with pathogenic, nonpathogenic, and disarmed bacteria, as well as pathogenic fungi and oomycetes. Finally, we discuss the possible use of immunity-associated PP2Cs to better understand the signaling networks of plant immunity and to engineer durable and broad disease resistance in crop plants. [Formula: see text] Copyright © 2022 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
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Affiliation(s)
- Guy Sobol
- School of Plant Sciences and Food Security, The George S. Wise Faculty of Life Sciences, Tel-Aviv University, 69978 Tel-Aviv, Israel
| | - Joydeep Chakraborty
- School of Plant Sciences and Food Security, The George S. Wise Faculty of Life Sciences, Tel-Aviv University, 69978 Tel-Aviv, Israel
| | - Gregory B Martin
- Boyce Thompson Institute for Plant Research, Ithaca, NY 14853, U.S.A
- Plant Pathology and Plant-Microbe Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, NY 14853, U.S.A
| | - Guido Sessa
- School of Plant Sciences and Food Security, The George S. Wise Faculty of Life Sciences, Tel-Aviv University, 69978 Tel-Aviv, Israel
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14
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Yu H, Yang L, Li Z, Sun F, Li B, Guo S, Wang YF, Zhou T, Hua J. In situ deletions reveal regulatory components for expression of an intracellular immune receptor gene and its co-expressed genes in Arabidopsis. PLANT, CELL & ENVIRONMENT 2022; 45:1862-1875. [PMID: 35150136 DOI: 10.1111/pce.14293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/19/2022] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
Intracellular immune receptor nucleotide-binding leucine-rich repeats (NLRs) are highly regulated transcriptionally and post-transcriptionally for balanced plant defense and growth. NLR genes often exist in gene clusters and are usually co-expressed under various conditions. Despite intensive studies of the regulation of NLR proteins, cis-acting elements for NLR gene induction, repression or co-expression are largely unknown due to a larger than usual cis-region for their expression regulation. Here we used the CRISPR/Cas9 genome editing technology to generate a series of in situ deletions at the endogenous location of an NLR gene SNC1 residing in the RPP5 gene cluster. These deletions that made in the wild type and the SNC1 constitutive expressing autoimmune mutant bon1 revealed both positive and negative cis-acting elements for SNC1 expression. Two transcription factors that could bind to these elements were found to have an impact on the expression of SNC1. In addition, co-expression of two genes with SNC1 in the same cluster is found to be mostly dependent on the SNC1 function. Therefore, SNC1 expression is under complex local regulation involving multiple cis-elements and SNC1 itself is a critical regulator of gene expression of other NLR genes in the same gene cluster.
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Affiliation(s)
- Huiyun Yu
- Key Laboratory of Food Quality and Safety, Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu Province, China
- School of Integrative Plant Science, Plant Biology Section, Cornell University, Ithaca, New York, USA
| | - Leiyun Yang
- School of Integrative Plant Science, Plant Biology Section, Cornell University, Ithaca, New York, USA
| | - Zhan Li
- School of Integrative Plant Science, Plant Biology Section, Cornell University, Ithaca, New York, USA
| | - Feng Sun
- Key Laboratory of Food Quality and Safety, Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu Province, China
| | - Bo Li
- Department of Neurosurgery, Huashan Hospital, Institute for Translational Brain Research, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Fudan University, Shanghai, China
| | - Shengsong Guo
- School of Integrative Plant Science, Plant Biology Section, Cornell University, Ithaca, New York, USA
| | - Yong-Fei Wang
- National Key Laboratory of Plant Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Tong Zhou
- Key Laboratory of Food Quality and Safety, Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu Province, China
- International Rice Research Institute and Jiangsu Academy of Agricultural Sciences Joint Laboratory, Nanjing, Jiangsu Province, China
| | - Jian Hua
- School of Integrative Plant Science, Plant Biology Section, Cornell University, Ithaca, New York, USA
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15
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Indirect recognition of pathogen effectors by NLRs. Essays Biochem 2022; 66:485-500. [PMID: 35535995 DOI: 10.1042/ebc20210097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/18/2022] [Accepted: 04/19/2022] [Indexed: 12/11/2022]
Abstract
To perceive pathogen threats, plants utilize both plasma membrane-localized and intracellular receptors. Nucleotide-binding domain leucine-rich repeat containing (NLR) proteins are key receptors that can recognize pathogen-derived intracellularly delivered effectors and activate downstream defense. Exciting recent findings have propelled our understanding of the various recognition and activation mechanisms of plant NLRs. Some NLRs directly bind to effectors, but others can perceive effector-induced changes on targeted host proteins (guardees), or non-functional host protein mimics (decoys). Such guarding strategies are thought to afford the host more durable resistance to quick-evolving and diverse pathogens. Here, we review classic and recent examples of indirect effector recognition by NLRs and discuss strategies for the discovery and study of new NLR-decoy/guardee systems. We also provide a perspective on how executor NLRs and helper NLRs (hNLRs) provide recognition for a wider range of effectors through sensor NLRs and how this can be considered an expanded form of indirect recognition. Furthermore, we summarize recent structural findings on NLR activation and resistosome formation upon indirect recognition. Finally, we discuss existing and potential applications that harness NLR indirect recognition for plant disease resistance and crop resilience.
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16
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Ubiquitination of Receptorsomes, Frontline of Plant Immunity. Int J Mol Sci 2022; 23:ijms23062937. [PMID: 35328358 PMCID: PMC8948693 DOI: 10.3390/ijms23062937] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/13/2022] [Accepted: 02/18/2022] [Indexed: 12/14/2022] Open
Abstract
Sessile plants are constantly exposed to myriads of unfavorable invading organisms with different lifestyles. To survive, plants have evolved plasma membrane-resident pattern recognition receptors (PRRs) and intracellular nucleotide-binding domain leucine-rich repeat receptors (NLRs) to initiate sophisticated downstream immune responses. Ubiquitination serves as one of the most important and prevalent posttranslational modifications (PTMs) to fine-tune plant immune responses. Over the last decade, remarkable progress has been made in delineating the critical roles of ubiquitination in plant immunity. In this review, we highlight recent advances in the understanding of ubiquitination in the modulation of plant immunity, with a particular focus on ubiquitination in the regulation of receptorsomes, and discuss how ubiquitination and other PTMs act in concert to ensure rapid, proper, and robust immune responses.
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17
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De la Concepcion JC, Vega Benjumea J, Bialas A, Terauchi R, Kamoun S, Banfield MJ. Functional diversification gave rise to allelic specialization in a rice NLR immune receptor pair. eLife 2021; 10:e71662. [PMID: 34783652 PMCID: PMC8631799 DOI: 10.7554/elife.71662] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 11/15/2021] [Indexed: 12/29/2022] Open
Abstract
Cooperation between receptors from the nucleotide-binding, leucine-rich repeats (NLR) superfamily is important for intracellular activation of immune responses. NLRs can function in pairs that, upon pathogen recognition, trigger hypersensitive cell death and stop pathogen invasion. Natural selection drives specialization of host immune receptors towards an optimal response, whilst keeping a tight regulation of immunity in the absence of pathogens. However, the molecular basis of co-adaptation and specialization between paired NLRs remains largely unknown. Here, we describe functional specialization in alleles of the rice NLR pair Pik that confers resistance to strains of the blast fungus Magnaporthe oryzae harbouring AVR-Pik effectors. We revealed that matching pairs of allelic Pik NLRs mount effective immune responses, whereas mismatched pairs lead to autoimmune phenotypes, a hallmark of hybrid necrosis in both natural and domesticated plant populations. We further showed that allelic specialization is largely underpinned by a single amino acid polymorphism that determines preferential association between matching pairs of Pik NLRs. These results provide a framework for how functionally linked immune receptors undergo co-adaptation to provide an effective and regulated immune response against pathogens. Understanding the molecular constraints that shape paired NLR evolution has implications beyond plant immunity given that hybrid necrosis can drive reproductive isolation.
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Affiliation(s)
- Juan Carlos De la Concepcion
- Gregor Mendel Institute of Molecular Plant Biology, Austrian Academy of SciencesViennaAustria
- Department of Biological Chemistry and Metabolism, John Innes CentreNorwichUnited Kingdom
| | - Javier Vega Benjumea
- Department of Biological Chemistry and Metabolism, John Innes CentreNorwichUnited Kingdom
- Servicio de Bioquímica-Análisis clínicos, Hospital Universitario Puerta de HierroMadridSpain
| | - Aleksandra Bialas
- The Sainsbury Laboratory, University of East AngliaNorwichUnited Kingdom
| | - Ryohei Terauchi
- Division of Genomics and Breeding, Iwate Biotechnology Research CenterIwateJapan
- Laboratory of Crop Evolution, Graduate School of AgricultureKyotoJapan
| | - Sophien Kamoun
- The Sainsbury Laboratory, University of East AngliaNorwichUnited Kingdom
| | - Mark J Banfield
- Department of Biological Chemistry and Metabolism, John Innes CentreNorwichUnited Kingdom
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18
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Si Y, Zheng S, Niu J, Tian S, Gu M, Lu Q, He Y, Zhang J, Shi X, Li Y, Ling HQ. Ne2, a typical CC-NBS-LRR-type gene, is responsible for hybrid necrosis in wheat. THE NEW PHYTOLOGIST 2021; 232:279-289. [PMID: 34160845 DOI: 10.1111/nph.17575] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 06/16/2021] [Indexed: 06/13/2023]
Abstract
Hybrid necrosis, caused by complementary genes Ne1 and Ne2, is a serious barrier for combining desirable traits from different genotypes of wheat, affecting the full utilisation of heterosis. To date, both Ne1 and Ne2 are still not isolated although they were documented decades ago. We report here the map-based cloning and functional characterisation of Ne2, encoding a coiled coil-nucleotide-binding site-leucine-rich repeat (CC-NBS-LRR) protein. Homozygous frameshift mutations generated using the CRISPR/Cas9 approach confirmed the Ne2-inducing hybrid necrosis in wheat. Upregulated expression of Ne2 induced by Ne1 and excess hydrogen peroxide accumulation are associated with the necrosis formation. Genetic analyses of a Ne2 allele (Ne2m ) and leaf rust resistance gene LrLC10/Lr13 revealed that they might be the same gene. Furthermore, we demonstrated that the frequency of the Ne2 allele was much lower in landraces (2.00%) compared with that in modern cultivars (13.62%), suggesting that Ne2 allele has been partially applied in wheat genetic improvement. Our findings open opportunities of thoroughly investigating the molecular mechanism of hybrid necrosis, selecting Lr13 and simultaneously avoiding hybrid necrosis in wheat breeding through marker-assisted selection.
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Affiliation(s)
- Yaoqi Si
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shusong Zheng
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jianqing Niu
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shuiquan Tian
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Mengjun Gu
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qiao Lu
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yilin He
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Juan Zhang
- Shi Jia Zhuang Academy of Agricultural and Forestry Sciences, Shijiazhuang, Hebei, 050041, China
| | - Xiaoli Shi
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yiwen Li
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
| | - Hong-Qing Ling
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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19
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Castel B, Fairhead S, Furzer OJ, Redkar A, Wang S, Cevik V, Holub EB, Jones JDG. Evolutionary trade-offs at the Arabidopsis WRR4A resistance locus underpin alternate Albugo candida race recognition specificities. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 107:1490-1502. [PMID: 34181787 DOI: 10.1111/tpj.15396] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/18/2021] [Accepted: 06/21/2021] [Indexed: 06/13/2023]
Abstract
The oomycete Albugo candida causes white rust of Brassicaceae, including vegetable and oilseed crops, and wild relatives such as Arabidopsis thaliana. Novel White Rust Resistance (WRR) genes from Arabidopsis enable new insights into plant/parasite co-evolution. WRR4A from Arabidopsis accession Columbia (Col-0) provides resistance to many but not all white rust races, and encodes a nucleotide-binding, leucine-rich repeat immune receptor. Col-0 WRR4A resistance is broken by AcEx1, an isolate of A. candida. We identified an allele of WRR4A in Arabidopsis accession Øystese-0 (Oy-0) and other accessions that confers full resistance to AcEx1. WRR4AOy-0 carries a C-terminal extension required for recognition of AcEx1, but reduces recognition of several effectors recognized by the WRR4ACol-0 allele. WRR4AOy-0 confers full resistance to AcEx1 when expressed in the oilseed crop Camelina sativa.
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Affiliation(s)
- Baptiste Castel
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, NR4 7UH, Norwich, United Kingdom
- Department of Biological Sciences, National University of Singapore, Singapore
| | - Sebastian Fairhead
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, NR4 7UH, Norwich, United Kingdom
- Warwick Crop Centre, School of Life Sciences, University of Warwick, CV35 9EF, Wellesbourne, United Kingdom
| | - Oliver J Furzer
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, NR4 7UH, Norwich, United Kingdom
- Department of Biology, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Amey Redkar
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, NR4 7UH, Norwich, United Kingdom
- Department of Genetics, University of Cordoba, 14071, Cordoba, Spain
| | - Shanshan Wang
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, NR4 7UH, Norwich, United Kingdom
| | - Volkan Cevik
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, NR4 7UH, Norwich, United Kingdom
- Department of Biology and Biochemistry, The Milner Centre for Evolution, University of Bath, BA2 7AY, Bath, United Kingdom
| | - Eric B Holub
- Warwick Crop Centre, School of Life Sciences, University of Warwick, CV35 9EF, Wellesbourne, United Kingdom
| | - Jonathan D G Jones
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, NR4 7UH, Norwich, United Kingdom
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20
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Martel A, Ruiz-Bedoya T, Breit-McNally C, Laflamme B, Desveaux D, Guttman DS. The ETS-ETI cycle: evolutionary processes and metapopulation dynamics driving the diversification of pathogen effectors and host immune factors. CURRENT OPINION IN PLANT BIOLOGY 2021; 62:102011. [PMID: 33677388 DOI: 10.1016/j.pbi.2021.102011] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/21/2021] [Accepted: 01/24/2021] [Indexed: 05/13/2023]
Abstract
The natural diversity of pathogen effectors and host immune components represents a snapshot of the underlying evolutionary processes driving the host-pathogen arms race. In plants, this arms race is manifested by an ongoing cycle of disease and resistance driven by pathogenic effectors that promote disease (effector-triggered susceptibility; ETS) and plant resistance proteins that recognize effector activity to trigger immunity (effector-triggered immunity; ETI). Here we discuss how this ongoing ETS-ETI cycle has shaped the natural diversity of both plant resistance proteins and pathogen effectors. We focus on the evolutionary forces that drive the diversification of the molecules that determine the outcome of plant-pathogen interactions and introduce the concept of metapopulation dynamics (i.e., the introduction of genetic variation from conspecific organisms in different populations) as an alternative mechanism that can introduce and maintain diversity in both host and pathogen populations.
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Affiliation(s)
- Alexandre Martel
- Department of Cell & Systems Biology, University of Toronto, Toronto, Ontario M6S2Y1, Canada
| | - Tatiana Ruiz-Bedoya
- Department of Cell & Systems Biology, University of Toronto, Toronto, Ontario M6S2Y1, Canada
| | - Clare Breit-McNally
- Department of Cell & Systems Biology, University of Toronto, Toronto, Ontario M6S2Y1, Canada
| | - Bradley Laflamme
- Department of Cell & Systems Biology, University of Toronto, Toronto, Ontario M6S2Y1, Canada
| | - Darrell Desveaux
- Department of Cell & Systems Biology, University of Toronto, Toronto, Ontario M6S2Y1, Canada; Centre for the Analysis of Genome Evolution & Function, University of Toronto, Toronto, Ontario M6S2Y1, Canada.
| | - David S Guttman
- Department of Cell & Systems Biology, University of Toronto, Toronto, Ontario M6S2Y1, Canada; Centre for the Analysis of Genome Evolution & Function, University of Toronto, Toronto, Ontario M6S2Y1, Canada.
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21
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Wan WL, Kim ST, Castel B, Charoennit N, Chae E. Corrigendum. THE NEW PHYTOLOGIST 2021; 231:1296. [PMID: 34041762 DOI: 10.1111/nph.17309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 02/25/2021] [Indexed: 06/12/2023]
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22
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Hewitt T, Zhang J, Huang L, Upadhyaya N, Li J, Park R, Hoxha S, McIntosh R, Lagudah E, Zhang P. Wheat leaf rust resistance gene Lr13 is a specific Ne2 allele for hybrid necrosis. MOLECULAR PLANT 2021; 14:1025-1028. [PMID: 33965633 DOI: 10.1016/j.molp.2021.05.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 04/08/2021] [Accepted: 05/03/2021] [Indexed: 06/12/2023]
Affiliation(s)
- Timothy Hewitt
- CSIRO Agriculture & Food, GPO Box 1700, Canberra, ACT 2601, Australia; University of Sydney, Plant Breeding Institute, School of Life and Environmental Sciences, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
| | - Jianping Zhang
- CSIRO Agriculture & Food, GPO Box 1700, Canberra, ACT 2601, Australia; University of Sydney, Plant Breeding Institute, School of Life and Environmental Sciences, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
| | - Li Huang
- Department of Plant Sciences and Plant Pathology, Montana State University, Bozeman, MT 59717, USA
| | | | - Jianbo Li
- University of Sydney, Plant Breeding Institute, School of Life and Environmental Sciences, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
| | - Robert Park
- University of Sydney, Plant Breeding Institute, School of Life and Environmental Sciences, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
| | - Sami Hoxha
- University of Sydney, Plant Breeding Institute, School of Life and Environmental Sciences, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
| | - Robert McIntosh
- University of Sydney, Plant Breeding Institute, School of Life and Environmental Sciences, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia.
| | - Evans Lagudah
- CSIRO Agriculture & Food, GPO Box 1700, Canberra, ACT 2601, Australia; University of Sydney, Plant Breeding Institute, School of Life and Environmental Sciences, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia.
| | - Peng Zhang
- University of Sydney, Plant Breeding Institute, School of Life and Environmental Sciences, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia.
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23
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Duxbury Z, Wu CH, Ding P. A Comparative Overview of the Intracellular Guardians of Plants and Animals: NLRs in Innate Immunity and Beyond. ANNUAL REVIEW OF PLANT BIOLOGY 2021; 72:155-184. [PMID: 33689400 DOI: 10.1146/annurev-arplant-080620-104948] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Nucleotide-binding domain leucine-rich repeat receptors (NLRs) play important roles in the innate immune systems of both plants and animals. Recent breakthroughs in NLR biochemistry and biophysics have revolutionized our understanding of how NLR proteins function in plant immunity. In this review, we summarize the latest findings in plant NLR biology and draw direct comparisons to NLRs of animals. We discuss different mechanisms by which NLRs recognize their ligands in plants and animals. The discovery of plant NLR resistosomes that assemble in a comparable way to animal inflammasomes reinforces the striking similarities between the formation of plant and animal NLR complexes. Furthermore, we discuss the mechanisms by which plant NLRs mediate immune responses and draw comparisons to similar mechanisms identified in animals. Finally, we summarize the current knowledge of the complex genetic architecture formed by NLRs in plants and animals and the roles of NLRs beyond pathogen detection.
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Affiliation(s)
- Zane Duxbury
- Jealott's Hill International Research Centre, Syngenta, Bracknell RG42 6EY, United Kingdom;
| | - Chih-Hang Wu
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei 11529, Taiwan;
| | - Pingtao Ding
- The Sainsbury Laboratory, University of East Anglia, Norwich NR4 7UH, United Kingdom
- Current affiliation: Institute of Biology Leiden, Leiden University, Leiden 2333 BE, The Netherlands;
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24
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Yang L, Wang Z, Hua J. A Meta-Analysis Reveals Opposite Effects of Biotic and Abiotic Stresses on Transcript Levels of Arabidopsis Intracellular Immune Receptor Genes. FRONTIERS IN PLANT SCIENCE 2021; 12:625729. [PMID: 33747005 PMCID: PMC7969532 DOI: 10.3389/fpls.2021.625729] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 02/01/2021] [Indexed: 05/06/2023]
Abstract
Plant intracellular immune receptor NLR (nucleotide-binding leucine-rich repeat) proteins sense the presence of pathogens and trigger strong and robust immune responses. NLR genes are known to be tightly controlled at the protein level, but little is known about their dynamics at the transcript level. In this study, we presented a meta-analysis of transcript dynamics of all 207 NLR genes in the Col-0 accession of Arabidopsis thaliana under various biotic and abiotic stresses based on 88 publicly available RNA sequencing datasets from 27 independent studies. We find that about two thirds of the NLR genes are generally induced by pathogens, immune elicitors, or salicylic acid (SA), suggesting that transcriptional induction of NLR genes might be an important mechanism in plant immunity regulation. By contrast, NLR genes induced by biotic stresses are often repressed by abscisic acid, high temperature and drought, suggesting that transcriptional regulation of NLR genes might be important for interaction between abiotic and biotic stress responses. In addition, pathogen-induced expression of some NLR genes are dependent on SA induction. Interestingly, a small group of NLR genes are repressed under certain biotic stress treatments, suggesting an unconventional function of this group of NLRs. This meta-analysis thus reveals the transcript dynamics of NLR genes under biotic and abiotic stress conditions and suggests a contribution of NLR transcript regulation to plant immunity as well as interactions between abiotic and biotic stress responses.
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