201
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Luo W, Komatsu S, Abe T, Matsuura H, Takahashi K. Comparative Proteomic Analysis of Wild-Type Physcomitrella Patens and an OPDA-Deficient Physcomitrella Patens Mutant with Disrupted PpAOS1 and PpAOS2 Genes after Wounding. Int J Mol Sci 2020; 21:ijms21041417. [PMID: 32093080 PMCID: PMC7073133 DOI: 10.3390/ijms21041417] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 02/13/2020] [Accepted: 02/17/2020] [Indexed: 12/21/2022] Open
Abstract
Wounding is a serious environmental stress in plants. Oxylipins such as jasmonic acid play an important role in defense against wounding. Mechanisms to adapt to wounding have been investigated in vascular plants; however, those mechanisms in nonvascular plants remain elusive. To examine the response to wounding in Physcomitrella patens, a model moss, a proteomic analysis of wounded P. patens was conducted. Proteomic analysis showed that wounding increased the abundance of proteins related to protein synthesis, amino acid metabolism, protein folding, photosystem, glycolysis, and energy synthesis. 12-Oxo-phytodienoic acid (OPDA) was induced by wounding and inhibited growth. Therefore, OPDA is considered a signaling molecule in this plant. Proteomic analysis of a P. patens mutant in which the PpAOS1 and PpAOS2 genes, which are involved in OPDA biosynthesis, are disrupted showed accumulation of proteins involved in protein synthesis in response to wounding in a similar way to the wild-type plant. In contrast, the fold-changes of the proteins in the wild-type plant were significantly different from those in the aos mutant. This study suggests that PpAOS gene expression enhances photosynthesis and effective energy utilization in response to wounding in P. patens.
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Affiliation(s)
- Weifeng Luo
- Division of Fundamental Agroscience Research, Research Faculty of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan; (W.L.); (T.A.); (H.M.)
| | - Setsuko Komatsu
- Department of Environmental and Food Sciences, Faculty of Environmental and Information Sciences, Fukui University of Technology, 3-6-1 Gakuen, Fukui 910-8505, Japan;
| | - Tatsuya Abe
- Division of Fundamental Agroscience Research, Research Faculty of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan; (W.L.); (T.A.); (H.M.)
| | - Hideyuki Matsuura
- Division of Fundamental Agroscience Research, Research Faculty of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan; (W.L.); (T.A.); (H.M.)
| | - Kosaku Takahashi
- Division of Fundamental Agroscience Research, Research Faculty of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan; (W.L.); (T.A.); (H.M.)
- Department of Nutritional Science, Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 165-8502, Japan
- Correspondence:
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202
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Genome-wide and expression pattern analysis of JAZ family involved in stress responses and postharvest processing treatments in Camellia sinensis. Sci Rep 2020; 10:2792. [PMID: 32066857 PMCID: PMC7026426 DOI: 10.1038/s41598-020-59675-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 02/03/2020] [Indexed: 12/22/2022] Open
Abstract
The JASMONATE-ZIM DOMAIN (JAZ) family genes are key repressors in the jasmonic acid signal transduction pathway. Recently, the JAZ gene family has been systematically characterized in many plants. However, this gene family has not been explored in the tea plant. In this study, 13 CsJAZ genes were identified in the tea plant genome. Phylogenetic analysis showed that the JAZ proteins from tea and other plants clustered into 11 sub-groups. The CsJAZ gene transcriptional regulatory network predictive and expression pattern analyses suggest that these genes play vital roles in abiotic stress responses, phytohormone crosstalk and growth and development of the tea plant. In addition, the CsJAZ gene expression profiles were associated with tea postharvest processing. Our work provides a comprehensive understanding of the CsJAZ family and will help elucidate their contributions to tea quality during tea postharvest processing.
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203
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Recent Advances in Plant Chemical Biology of Jasmonates. Int J Mol Sci 2020; 21:ijms21031124. [PMID: 32046227 PMCID: PMC7036767 DOI: 10.3390/ijms21031124] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/04/2020] [Accepted: 02/06/2020] [Indexed: 11/29/2022] Open
Abstract
Lipid-derived plant hormone jasmonates are implicated in plant growth, reproductive performance, senescence, secondary metabolite productions, and defense against both necrotrophic pathogens and feeding insects. A major jasmonate is (+)-7-iso-jasmonoyl-l-isoleucine (JA-Ile), which is perceived by the unique COI1-JAZ coreceptor system. Recent advances in plant chemical biology have greatly informed the bioscience of jasmonate, including the development of chemical tools such as the antagonist COR-MO; the agonist NOPh; and newly developed jasmonates, including JA-Ile-macrolactone and 12-OH-JA-Ile. This review article summarizes the current status of plant chemical biology as it pertains to jasmonates, and offers some perspectives for the future.
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204
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Hunter CT, Block AK, Christensen SA, Li QB, Rering C, Alborn HT. Setaria viridis as a model for translational genetic studies of jasmonic acid-related insect defenses in Zea mays. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2020; 291:110329. [PMID: 31928686 DOI: 10.1016/j.plantsci.2019.110329] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/24/2019] [Accepted: 11/01/2019] [Indexed: 06/10/2023]
Abstract
Little is known regarding insect defense pathways in Setaria viridis (setaria), a model system for panicoid grasses, including Zea mays (maize). It is thus of interest to compare insect herbivory responses of setaria and maize. Here we use metabolic, phylogenetic, and gene expression analyses to measure a subset of jasmonic acid (JA)-related defense responses to leaf-chewing caterpillars. Phylogenetic comparisons of known defense-related maize genes were used to identify putative orthologs in setaria, and candidates were tested by quantitative PCR to determine transcriptional responses to insect challenge. Our findings show that while much of the core JA-related metabolic and genetic responses appear conserved between setaria and maize, production of downstream secondary metabolites such as benzoxazinoids and herbivore-induced plant volatiles are dissimilar. This diversity of chemical defenses and gene families involved in secondary metabolism among grasses presents new opportunities for cross species engineering. The high degree of genetic similarity and ease of orthologous gene identification between setaria and maize make setaria an excellent species for translational genetic studies, but the species specificity of downstream insect defense chemistry makes some pathways unamenable to cross-species comparisons.
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Affiliation(s)
- Charles T Hunter
- Chemistry Research Unit, USDA Agricultural Research Service, Center for Medical, Agricultural and Veterinary Entomology, Gainesville, FL, 32608, USA.
| | - Anna K Block
- Chemistry Research Unit, USDA Agricultural Research Service, Center for Medical, Agricultural and Veterinary Entomology, Gainesville, FL, 32608, USA
| | - Shawn A Christensen
- Chemistry Research Unit, USDA Agricultural Research Service, Center for Medical, Agricultural and Veterinary Entomology, Gainesville, FL, 32608, USA
| | - Qin-Bao Li
- Chemistry Research Unit, USDA Agricultural Research Service, Center for Medical, Agricultural and Veterinary Entomology, Gainesville, FL, 32608, USA
| | - Caitlin Rering
- Chemistry Research Unit, USDA Agricultural Research Service, Center for Medical, Agricultural and Veterinary Entomology, Gainesville, FL, 32608, USA
| | - Hans T Alborn
- Chemistry Research Unit, USDA Agricultural Research Service, Center for Medical, Agricultural and Veterinary Entomology, Gainesville, FL, 32608, USA
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205
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Kato N, Miyagawa S, Nomoto H, Nakayama M, Iwashita M, Ueda M. A scalable synthesis of (+)-coronafacic acid. Chirality 2020; 32:423-430. [PMID: 31999008 DOI: 10.1002/chir.23172] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 12/15/2019] [Accepted: 12/18/2019] [Indexed: 01/17/2023]
Abstract
A facile, efficient, and scalable synthesis of optically pure coronafacic acid by resolution of racemic coronafacic acid obtained using an improved version of Watson's method has been developed. By optimizing the boron-mediated aldol reaction of Watson, we were able to prepare 2.1 g of racemic coronafacic acid. This was coupled with (S)-4-isopropyl-2-oxazolidinone to give a mixture of diastereomeric coronafacyl oxazolidinones, which were readily separable by silica-gel column chromatography to give 630 mg of optically pure (+)-coronafacic acid.
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Affiliation(s)
- Nobuki Kato
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, Japan
| | - Saki Miyagawa
- Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Haruna Nomoto
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, Japan
| | - Misuzu Nakayama
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, Japan
| | - Makoto Iwashita
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, Japan
| | - Minoru Ueda
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, Japan.,Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
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206
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Jasmonic Acid Signaling Pathway in Response to Abiotic Stresses in Plants. Int J Mol Sci 2020; 21:ijms21020621. [PMID: 31963549 PMCID: PMC7013817 DOI: 10.3390/ijms21020621] [Citation(s) in RCA: 156] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 01/11/2020] [Accepted: 01/16/2020] [Indexed: 12/16/2022] Open
Abstract
Plants as immovable organisms sense the stressors in their environment and respond to them by means of dedicated stress response pathways. In response to stress, jasmonates (jasmonic acid, its precursors and derivatives), a class of polyunsaturated fatty acid-derived phytohormones, play crucial roles in several biotic and abiotic stresses. As the major immunity hormone, jasmonates participate in numerous signal transduction pathways, including those of gene networks, regulatory proteins, signaling intermediates, and proteins, enzymes, and molecules that act to protect cells from the toxic effects of abiotic stresses. As cellular hubs for integrating informational cues from the environment, jasmonates play significant roles in alleviating salt stress, drought stress, heavy metal toxicity, micronutrient toxicity, freezing stress, ozone stress, CO2 stress, and light stress. Besides these, jasmonates are involved in several developmental and physiological processes throughout the plant life. In this review, we discuss the biosynthesis and signal transduction pathways of the JAs and the roles of these molecules in the plant responses to abiotic stresses.
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207
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Qi J, Zhao X, Li Z. iTRAQ-Based Quantitative Proteomic Analysis of the Arabidopsis Mutant opr3-1 in Response to Exogenous MeJA. Int J Mol Sci 2020; 21:ijms21020571. [PMID: 31963133 PMCID: PMC7013738 DOI: 10.3390/ijms21020571] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/10/2020] [Accepted: 01/14/2020] [Indexed: 02/08/2023] Open
Abstract
Jasmonates (JAs) regulate the defense of biotic and abiotic stresses, growth, development, and many other important biological processes in plants. The comprehensive proteomic profiling of plants under JAs treatment provides insights into the regulation mechanism of JAs. Isobaric tags for relative and absolute quantification (iTRAQ)-based quantitative proteomic analysis was performed on the Arabidopsis wild type (Ws) and JA synthesis deficiency mutant opr3-1. The effects of exogenous MeJA treatment on the proteome of opr3-1, which lacks endogenous JAs, were investigated. A total of 3683 proteins were identified and 126 proteins were differentially regulated between different genotypes and treatment groups. The functional classification of these differentially regulated proteins showed that they were involved in metabolic processes, responses to abiotic stress or biotic stress, the defense against pathogens and wounds, photosynthesis, protein synthesis, and developmental processes. Exogenous MeJA treatment induced the up-regulation of a large number of defense-related proteins and photosynthesis-related proteins, it also induced the down-regulation of many ribosomal proteins in opr3-1. These results were further verified by a quantitative real-time PCR (qRT-PCR) analysis of 15 selected genes. Our research provides the basis for further understanding the molecular mechanism of JAs’ regulation of plant defense, photosynthesis, protein synthesis, and development.
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208
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Salehi H, Miras-Moreno B, Chehregani Rad A, Pii Y, Mimmo T, Cesco S, Lucini L. Relatively Low Dosages of CeO 2 Nanoparticles in the Solid Medium Induce Adjustments in the Secondary Metabolism and Ionomic Balance of Bean ( Phaseolus vulgaris L.) Roots and Leaves. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:67-76. [PMID: 31710472 DOI: 10.1021/acs.jafc.9b05107] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Nanoparticles (NPs) are known to significantly alter plant metabolism in a dose-dependent manner, with effects ranging from stimulation to toxicity. The metabolic adjustment and ionomic balance of bean (Phaseolus vulgaris L.) roots and leaves gained from plants grown in a solid medium added with relatively low dosages (0, 25, 50, and 100 mg/L) of CeO2 NPs were investigated. Ce accumulated in the roots (up to 287.91 mg/kg dry weight) and translocated to the aerial parts (up to 2.78% at the highest CeO2 dosage), and ionomic analysis showed that CeO2 NPs interfered with potassium, molybdenum, and zinc. Unsupervised hierarchical clustering analysis from metabolomic profiles suggested a dose-dependent and tissue-specific metabolic reprogramming induced by NPs. The majority of differential metabolites belonged to flavonoids and other phenolics, nitrogen-containing low molecules (such as alkaloids and glucosinolates), lipids, and amino acids.
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Affiliation(s)
- Hajar Salehi
- Laboratory of Plant Cell Biology, Department of Biology , Bu Ali Sina University , 65178-38695 Hamedan , Iran
- Department for Sustainable Food Process , Università Cattolica del Sacro Cuore , 29122 Piacenza , Italy
| | - Begoña Miras-Moreno
- Department for Sustainable Food Process , Università Cattolica del Sacro Cuore , 29122 Piacenza , Italy
| | - Abdolkarim Chehregani Rad
- Laboratory of Plant Cell Biology, Department of Biology , Bu Ali Sina University , 65178-38695 Hamedan , Iran
| | - Youry Pii
- Faculty of Science and Technology , Free University of Bolzano , 39100 Bolzano , Italy
| | - Tanja Mimmo
- Faculty of Science and Technology , Free University of Bolzano , 39100 Bolzano , Italy
| | - Stefano Cesco
- Faculty of Science and Technology , Free University of Bolzano , 39100 Bolzano , Italy
| | - Luigi Lucini
- Department for Sustainable Food Process , Università Cattolica del Sacro Cuore , 29122 Piacenza , Italy
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209
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Oblessuc PR, Obulareddy N, DeMott L, Matiolli CC, Thompson BK, Melotto M. JAZ4 is involved in plant defense, growth, and development in Arabidopsis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2020; 101:371-383. [PMID: 31557372 DOI: 10.1111/tpj.14548] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 09/16/2019] [Indexed: 05/25/2023]
Abstract
Jasmonate zim-domain (JAZ) proteins comprise a family of transcriptional repressors that modulate jasmonate (JA) responses. JAZ proteins form a co-receptor complex with the F-box protein coronatine insensitive1 (COI1) that recognizes both jasmonoyl-l-isoleucine (JA-Ile) and the bacterial-produced phytotoxin coronatine (COR). Although several JAZ family members have been placed in this pathway, the role of JAZ4 in this model remains elusive. In this study, we observed that the jaz4-1 mutant of Arabidopsis is hyper-susceptible to Pseudomonas syringae pv. tomato (Pst) DC3000, while Arabidopsis lines overexpressing a JAZ4 protein lacking the Jas domain (JAZ4∆Jas) have enhanced resistance to this bacterium. Our results show that the Jas domain of JAZ4 is required for its physical interaction with COI1, MYC2 or MYC3, but not with the repressor complex adaptor protein NINJA. Furthermore, JAZ4 degradation is induced by COR in a proteasome- and Jas domain-dependent manner. Phenotypic evaluations revealed that expression of JAZ4∆Jas results in early flowering and increased length of root, hypocotyl, and petiole when compared with Col-0 and jaz4-1 plants, although JAZ4∆Jas lines remain sensitive to MeJA- and COR-induced root and hypocotyl growth inhibition. Additionally, jaz4-1 mutant plants have increased anthocyanin accumulation and late flowering compared with Col-0, while JAZ4∆Jas lines showed no alteration in anthocyanin production. These findings suggest that JAZ4 participates in the canonical JA signaling pathway leading to plant defense response in addition to COI1/MYC-independent functions in plant growth and development, supporting the notion that JAZ4-mediated signaling may have distinct branches.
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Affiliation(s)
- Paula R Oblessuc
- Department of Plant Sciences, University of California, Davis, CA, 95616, USA
| | - Nisita Obulareddy
- Department of Biology, University of Texas, Arlington, TX, 76019, USA
| | - Logan DeMott
- Department of Plant Sciences, University of California, Davis, CA, 95616, USA
| | | | - Blaine K Thompson
- Department of Biology, University of Texas, Arlington, TX, 76019, USA
| | - Maeli Melotto
- Department of Plant Sciences, University of California, Davis, CA, 95616, USA
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210
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Ma F, Yang X, Shi Z, Miao X. Novel crosstalk between ethylene- and jasmonic acid-pathway responses to a piercing-sucking insect in rice. THE NEW PHYTOLOGIST 2020; 225:474-487. [PMID: 31407341 DOI: 10.1111/nph.16111] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Accepted: 08/05/2019] [Indexed: 06/10/2023]
Abstract
Ethylene (ET) and jasmonic acid (JA) play important roles in plant defenses against biotic stresses. Crosstalk between JA and ET has been well studied in mediating pathogen resistance, but its roles in piercing-sucking insect resistance are unclear. The brown planthopper (BPH; Nilaparvata lugens) is the most notorious piercing-sucking insect specific to rice (Oryza sativa) that severely affects yield. A genetic analysis revealed that OsEBF1 and OsEIL1, which are in the ET signaling pathway, positively and negatively regulated BPH resistance, respectively. Molecular and biochemical analyses revealed direct interactions between OsEBF1 and OsEIL1. OsEBF1, an E3 ligase, mediated the degradation of OsEIL1 through the ubiquitination pathway, indicating the negative regulation of the ET-signaling pathway in response to BPH infestation. An RNA sequencing analysis revealed that a JA biosynthetic pathway-related gene, OsLOX9, was downregulated significantly in the oseil1 mutant. Biochemical analyses, including yeast one-hybrid, dual luciferase, and electrophoretic mobility shift assay, confirmed the direct regulation of OsLOX9 by OsEIL1. This study revealed the synergistic and negative regulation of JA and ET pathways in response to piercing-sucking insect attack. The synergistic mechanism was realized by transcriptional regulation of OsEIL1 on OsLOX9. OsEIL1-OsLOX9 is a novel crosstalk site in these two phytohormone signaling pathways.
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Affiliation(s)
- Feilong Ma
- Key Laboratory of Insect Developmental and Evolutionary Biology, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiaofang Yang
- Key Laboratory of Insect Developmental and Evolutionary Biology, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhenying Shi
- Key Laboratory of Insect Developmental and Evolutionary Biology, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Xuexia Miao
- Key Laboratory of Insect Developmental and Evolutionary Biology, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Shanghai, 200032, China
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211
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Jakšová J, Libiaková M, Bokor B, Petřík I, Novák O, Pavlovič A. Taste for protein: Chemical signal from prey stimulates enzyme secretion through jasmonate signalling in the carnivorous plant Venus flytrap. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 146:90-97. [PMID: 31734521 DOI: 10.1016/j.plaphy.2019.11.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 11/07/2019] [Accepted: 11/07/2019] [Indexed: 06/10/2023]
Abstract
Hunting cycle of the carnivorous plant Venus flytrap (Dionaea muscipula Ellis) is comprised of mechanism for rapid trap closure followed by slow hermetical sealing and activation of gene expression responsible for digestion of prey and nutrient uptake. In the present study, we focus on the late phase of Venus's flytrap hunting cycle when mechanical stimulation of the prey ceases and is replaced by chemical cues. We used two nitrogen-rich compounds (chitin and protein) in addition to mechanostimulation to investigate the electrical and jasmonate signalling responsible for induction of enzyme activities. Chemical stimulation by BSA protein and chitin did not induce any additional spontaneous action potentials (APs). However, chemical stimulation by protein induced the highest levels of jasmonic acid (JA) and its isoleucine conjugate (JA-Ile) as well as the expression of studied gene encoding a cysteine protease (dionain). Although chitin is probably the first chemical agent which is in direct contact with digestive glands, presence of protein in the secured trap mimics the presence of insect prey best.
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Affiliation(s)
- Jana Jakšová
- Department of Biophysics, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science, Palacký University, Šlechtitelů 27, CZ-783 71, Olomouc, Czech Republic
| | - Michaela Libiaková
- Department of Plant Physiology, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, Mlynská dolina B2, SK-842 15, Bratislava, Slovakia
| | - Boris Bokor
- Department of Plant Physiology, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, Mlynská dolina B2, SK-842 15, Bratislava, Slovakia; Comenius University Science Park, Comenius University in Bratislava, Ilkovičova 8, SK-841 04, Bratislava, Slovakia
| | - Ivan Petřík
- Laboratory of Growth Regulators, Faculty of Science, Palacký University & Institute of Experimental Botany, The Czech Academy of Sciences, Šlechtitelů 27, CZ-78371, Olomouc, Czech Republic
| | - Ondřej Novák
- Laboratory of Growth Regulators, Faculty of Science, Palacký University & Institute of Experimental Botany, The Czech Academy of Sciences, Šlechtitelů 27, CZ-78371, Olomouc, Czech Republic
| | - Andrej Pavlovič
- Department of Biophysics, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science, Palacký University, Šlechtitelů 27, CZ-783 71, Olomouc, Czech Republic.
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212
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Deboever E, Deleu M, Mongrand S, Lins L, Fauconnier ML. Plant-Pathogen Interactions: Underestimated Roles of Phyto-oxylipins. TRENDS IN PLANT SCIENCE 2020; 25:22-34. [PMID: 31668451 DOI: 10.1016/j.tplants.2019.09.009] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 09/25/2019] [Accepted: 09/30/2019] [Indexed: 05/28/2023]
Abstract
Plant (or phyto-) oxylipins (POs) are produced under a wide range of stress conditions and although they are well known to activate stress-related signalling pathways, the nonsignalling roles of POs are poorly understood. We describe oxylipins as direct biocidal agents and propose that structure-function relationships play here a pivotal role. Based on their chemical configuration, POs, such as reactive oxygen and electrophile species, activate defence-related gene expression. We also propose that their ability to interact with pathogen membranes is important, but still misunderstood, and that they are involved in cross-kingdom communication. Taken as a whole, the current literature suggests that POs have a high potential as biocontrol agents. However, the mechanisms underlying these multifaceted compounds remain largely unknown.
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Affiliation(s)
- Estelle Deboever
- Molecular Biophysics at Interface Laboratory (LBMI), Gembloux Agro-Bio Tech, University of Liège, 2, Passage des Déportés, B-5030 Gembloux, Belgium; Laboratory of Natural Molecules Chemistry (LCMN), Gembloux Agro-Bio Tech, University of Liège, 2, Passage des Déportés, B-5030 Gembloux, Belgium.
| | - Magali Deleu
- Molecular Biophysics at Interface Laboratory (LBMI), Gembloux Agro-Bio Tech, University of Liège, 2, Passage des Déportés, B-5030 Gembloux, Belgium
| | - Sébastien Mongrand
- Laboratory of Membrane Biogenesis (LBM), Research Mix Unity (UMR) 5200, National Scientific Research Center (CNRS), University of Bordeaux, Bordeaux, France
| | - Laurence Lins
- Molecular Biophysics at Interface Laboratory (LBMI), Gembloux Agro-Bio Tech, University of Liège, 2, Passage des Déportés, B-5030 Gembloux, Belgium
| | - Marie-Laure Fauconnier
- Laboratory of Natural Molecules Chemistry (LCMN), Gembloux Agro-Bio Tech, University of Liège, 2, Passage des Déportés, B-5030 Gembloux, Belgium
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213
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Schroeder MM, Lai Y, Shirai M, Alsalek N, Tsuchiya T, Roberts P, Eulgem T. A novel Arabidopsis pathosystem reveals cooperation of multiple hormonal response-pathways in host resistance against the global crop destroyer Macrophomina phaseolina. Sci Rep 2019; 9:20083. [PMID: 31882671 PMCID: PMC6934584 DOI: 10.1038/s41598-019-56401-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 12/02/2019] [Indexed: 11/08/2022] Open
Abstract
Dubbed as a "global destroyer of crops", the soil-borne fungus Macrophomina phaseolina (Mp) infects more than 500 plant species including many economically important cash crops. Host defenses against infection by this pathogen are poorly understood. We established interactions between Mp and Arabidopsis thaliana (Arabidopsis) as a model system to quantitatively assess host factors affecting the outcome of Mp infections. Using agar plate-based infection assays with different Arabidopsis genotypes, we found signaling mechanisms dependent on the plant hormones ethylene, jasmonic acid and salicylic acid to control host defense against this pathogen. By profiling host transcripts in Mp-infected roots of the wild-type Arabidopsis accession Col-0 and ein2/jar1, an ethylene/jasmonic acid-signaling deficient mutant that exhibits enhanced susceptibility to this pathogen, we identified hundreds of genes potentially contributing to a diverse array of defense responses, which seem coordinated by complex interplay between multiple hormonal response-pathways. Our results establish Mp/Arabidopsis interactions as a useful model pathosystem, allowing for application of the vast genomics-related resources of this versatile model plant to the systematic investigation of previously understudied host defenses against a major crop plant pathogen.
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Affiliation(s)
- Mercedes M Schroeder
- Center for Plant Cell Biology, Institute of Integrative Genome Biology, Department of Botany and Plant Sciences, University of California, Riverside, Riverside, California, United States of America
| | - Yan Lai
- Center for Plant Cell Biology, Institute of Integrative Genome Biology, Department of Botany and Plant Sciences, University of California, Riverside, Riverside, California, United States of America
- College of Life Sciences, Fujian Agricultural and Forestry University, Fuzhou, Fujian, China
| | - Miwa Shirai
- Center for Plant Cell Biology, Institute of Integrative Genome Biology, Department of Botany and Plant Sciences, University of California, Riverside, Riverside, California, United States of America
| | - Natalie Alsalek
- Center for Plant Cell Biology, Institute of Integrative Genome Biology, Department of Botany and Plant Sciences, University of California, Riverside, Riverside, California, United States of America
- School of Pharmacy, University of California, San Francisco, San Francisco, California, United States of America
| | - Tokuji Tsuchiya
- College of Bioresource Sciences, Nihon University, Kanagawa, Japan
| | - Philip Roberts
- Institute of Integrative Genome Biology, Department of Nematology, University of California, Riverside, Riverside, California, United States of America
| | - Thomas Eulgem
- Center for Plant Cell Biology, Institute of Integrative Genome Biology, Department of Botany and Plant Sciences, University of California, Riverside, Riverside, California, United States of America.
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214
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Abstract
Plants are under relentless challenge by pathogenic bacteria, fungi, and oomycetes, for whom they provide a resource of living space and nutrients. Upon detection of pathogens, plants carry out multiple layers of defense response, orchestrated by a tightly organized network of hormones. In this review, we provide an overview of the phytohormones involved in immunity and the ways pathogens manipulate their biosynthesis and signaling pathways. We highlight recent developments, including the discovery of a defense signaling molecule, new insights into hormone biosynthesis, and the increasing importance of signaling hubs at which hormone pathways intersect.
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Affiliation(s)
- Marco Bürger
- Plant Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA.
| | - Joanne Chory
- Howard Hughes Medical Institute, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA
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215
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Costarelli A, Bianchet C, Ederli L, Salerno G, Piersanti S, Rebora M, Pasqualini S. Salicylic acid induced by herbivore feeding antagonizes jasmonic acid mediated plant defenses against insect attack. PLANT SIGNALING & BEHAVIOR 2019; 15:1704517. [PMID: 31852340 PMCID: PMC7012100 DOI: 10.1080/15592324.2019.1704517] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/09/2019] [Accepted: 12/10/2019] [Indexed: 05/25/2023]
Abstract
We recently reported the transcriptomic signature of salicylic acid (SA) and jasmonic acid (JA) biosynthetic and responsive genes in Arabidopsis thaliana plants infested with the herbivore Eurydema oleracea. We demonstrated that insect feeding causes induction of both SA- and JA-mediated signaling pathways. Using transgenic SA-deficient NahG plants, we also showed antagonistic cross-talk between these two phytohormones. To gain more insight into the roles of the SA and JA pathways in plant defenses against E. oleracea, we report here on the dynamics of SA and JA levels in the wild-type genotype Col-0 and the transgenic Arabidopsis NahG mutant that does not accumulate SA. We show that SA strongly accumulates in the wild-type plants after 24 h of herbivore infestation, while JA levels do not change significantly. On the contrary, in the infested NahG plants, SA levels were not affected by E. oleracea feeding, whereas JA levels which were constitutively higher than the wild-type did not significantly change after 6 hours of herbivore feeding. Accordingly, when the wild-type and the jar1-1 mutant (which fails to accumulate JA-Ile) Arabidopsis plants were challenged with E. oleracea in a two-choice arena, the insect fed preferentially on the jar1-1 plants over the wild-type. These data support the conclusion that E. oleracea infestation strongly induces the SA pathway in the wild-type, thus antagonizing JA-mediated plant defenses against herbivory, as a strategy to suppress plant immunity.
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Affiliation(s)
- Alma Costarelli
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Chantal Bianchet
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Luisa Ederli
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, Perugia, Italy
| | - Gianandrea Salerno
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, Perugia, Italy
| | - Silvana Piersanti
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Manuela Rebora
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Stefania Pasqualini
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
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216
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Goossens A, Farmer EE. Regulatory Oxylipins Anno 2019: Jasmonates Galore in the Plant Oxylipin Research Community. PLANT & CELL PHYSIOLOGY 2019; 60:2609-2612. [PMID: 31626278 DOI: 10.1093/pcp/pcz197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 10/10/2019] [Indexed: 06/10/2023]
Affiliation(s)
- Alain Goossens
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| | - Edward E Farmer
- Department of Plant Molecular Biology, University of Lausanne, Lausanne, Switzerland
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217
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Savchenko TV, Rolletschek H, Dehesh K. Jasmonates-Mediated Rewiring of Central Metabolism Regulates Adaptive Responses. PLANT & CELL PHYSIOLOGY 2019; 60:2613-2620. [PMID: 31529102 PMCID: PMC6896697 DOI: 10.1093/pcp/pcz181] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Accepted: 09/03/2019] [Indexed: 05/23/2023]
Abstract
The lipid-derived hormones jasmonates (JAs) play key functions in a wide range of physiological and developmental processes that regulate growth, secondary metabolism and defense against biotic and abiotic stresses. In this connection, biosynthesis, tissue-specific distribution, metabolism, perception, signaling of JAs have been the target of extensive studies. In recent years, the involvement of JAs signaling pathway in the regulation of growth and adaptive responses to environmental challenges has been further examined. However, JAs-mediated mechanisms underlying the transition from 'growth mode' to 'adaptive mode' remain ambiguous. Combined analysis of transgenic lines deficient in JAs signaling in conjunction with the data from JAs-treated plants revealed the function of these hormones in rewiring of central metabolism. The collective data illustrate JAs-mediated decrease in the levels of metabolites associated with active growth such as sucrose, raffinose, orotate, citrate, malate, and an increase in phosphorylated hexoses, responsible for the suppression of growth and photosynthesis, concurrent with the induction of protective metabolites, such as aromatic and branched-chain amino acids, and aspartate family of metabolites. This finding provides an insight into the function of JAs in shifting the central metabolism from the production of growth-promoting metabolites to protective compounds and expands our understanding of the role of JAs in resource allocation in response to environmental challenges.
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Affiliation(s)
- Tatyana V Savchenko
- Institute of Basic Biological Problems, FRC PSCBR RAS, Institutskaya St. 2, Pushchino, Moscow Region 142290, Russian Federation
| | - Hardy Rolletschek
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, Gatersleben D-06466, Germany
| | - Katayoon Dehesh
- Department of Botany and Plant Sciences, Institute for Integrative Genome Biology, University of California, Riverside, CA 92521, USA
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218
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Li N, Uhrig JF, Thurow C, Huang LJ, Gatz C. Reconstitution of the Jasmonate Signaling Pathway in Plant Protoplasts. Cells 2019; 8:cells8121532. [PMID: 31795159 PMCID: PMC6953042 DOI: 10.3390/cells8121532] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 11/23/2019] [Accepted: 11/26/2019] [Indexed: 01/11/2023] Open
Abstract
The phytohormone jasmonic acid (JA) plays an important role in various plant developmental processes and environmental adaptations. The JA signaling pathway has been well-elucidated in the reference plant Arabidopsis thaliana. It starts with the perception of the active JA derivative, jasmonoyl-isoleucine (JA-Ile), by the F-box protein COI1 which is part of the E3-ligase SCFCOI1. Binding of JA-Ile enables the interaction between COI1 and JAZ repressor proteins. Subsequent degradation of JAZ proteins leads to the activation of transcription factors like e.g., MYC2. Here we demonstrate that the pathway can be reconstituted in transiently transformed protoplasts. Analysis of the stability of a JAZ1-fLuc fusion protein as a function of COI1 transiently expressed in coi1 protoplasts allows structure function analysis of both JAZs and COI1. Using this system, we found that conserved cysteines in COI1 influence steady state COI1 protein levels. Using a luciferase reporter gene under the control of the JAZ1 promoter enable to address those features of JAZ1 that are required for MYC2 repression. Interestingly, the conserved TIFY-motif previously described to interact with NINJA to recruit the corepressor TOPLESS is not necessary for repression. This result is in favor of the alternative repression mode that proposes a direct competition between repressive JAZs and promotive MEDIATOR25 at MYC2. Finally, using protoplasts from the aos coi1 double mutant, which is deficient in JA synthesis and perception, we provide a system that has the potential to study the activity of different COI1 variants in the presence of different ligands.
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Affiliation(s)
- Ning Li
- State Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Hunan 410004, China;
- College of Forestry, Central South University of Forestry and Technology, Hunan 410004, China
- Albrecht-von-Haller-Institute for Plant Sciences, Georg-August-University Göttingen, 37077 Göttingen, Germany; (J.F.U.); (C.T.)
| | - Joachim F. Uhrig
- Albrecht-von-Haller-Institute for Plant Sciences, Georg-August-University Göttingen, 37077 Göttingen, Germany; (J.F.U.); (C.T.)
| | - Corinna Thurow
- Albrecht-von-Haller-Institute for Plant Sciences, Georg-August-University Göttingen, 37077 Göttingen, Germany; (J.F.U.); (C.T.)
| | - Li-Jun Huang
- College of Forestry, Central South University of Forestry and Technology, Hunan 410004, China
- Correspondence: (L.-J.H.); (C.G.)
| | - Christiane Gatz
- Albrecht-von-Haller-Institute for Plant Sciences, Georg-August-University Göttingen, 37077 Göttingen, Germany; (J.F.U.); (C.T.)
- Correspondence: (L.-J.H.); (C.G.)
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219
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Plant-Insect Bioassay for Testing Arabidopsis Resistance to the Generalist Herbivore Spodoptera littoralis. Methods Mol Biol 2019. [PMID: 31734917 DOI: 10.1007/978-1-0716-0142-6_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Jasmonates are essential engineers of plant defense responses against many pests, including herbivorous insects. Herbivory induces the production of jasmonic acid (JA) and its bioactive conjugate jasmonoyl-L-isoleucine (JA-Ile), which then triggers a large transcriptional reprogramming to promote plant acclimation. The contribution of the JA pathway, including its components and regulators, to defense responses against insect herbivory can be evaluated by conducting bioassays with a wide range of host plants and insect pests. Here, we describe a detailed and reproducible protocol for testing feeding behavior of the generalist herbivore Spodoptera littoralis on the model plant Arabidopsis thaliana and hence infer the contribution of JA-mediated plant defense responses to a chewing insect.
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220
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Li S, He Q, Peng Q, Fang X, Zhu T, Qiao T, Han S. Metabolomics responses of Bambusa pervariabilis × Dendrocalamopsis grandis varieties to Biotic (pathogenic fungus) stress. PHYTOCHEMISTRY 2019; 167:112087. [PMID: 31437664 DOI: 10.1016/j.phytochem.2019.112087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 08/07/2019] [Accepted: 08/07/2019] [Indexed: 06/10/2023]
Abstract
Bambusa pervariabilis × Dendrocalamopsis grandis blight, caused by Arthrinium phaeospermum, is one of the most common and serious diseases in bamboo and occurs in the newly born twigs. Bamboo has suffered large dead areas, including more than 3000 hm2, which greatly threatens the process of returning farmlands to forests and the construction of ecological barriers. To identify differential metabolites and metabolic pathways associated with B. pervariabilis × D. grandis to A. phaeospermum, ultra-performance liquid chromatography (UPLC) and quadrupole-time of flight (Q-TOF) Mass Spectrometry (MS) combined with a data-dependent acquisition method was used to analyse the entire sample spectrum. In total, 13223 positive ion peaks and 10616 negative ion peaks were extracted. OPLS-DA and several other analyses were performed using the original data. The OPLS-DA models showed good quality and had strong predictive power, indicating clear trends in the analyses of the treatment and control groups. Clustering and KEGG pathway analyses were used to screen the differential metabolites in the treatment and control groups from the three B. pervariabilis × D. grandis varieties and reflected their metabolic responses induced by A. phaeospermum infection. The results showed that the three B. pervariabilis × D. grandis varieties mode showed significant changes in the following six resistance-related metabolites after A. phaeospermum invasion in positive and negative ion modes: proline, glutamine, dictamnine, apigenin 7-O-neohesperidoside, glutamate, and cis-Aconitate. The following four main metabolic pathways are involved: Arginine and proline metabolism, Glyoxylate and dicarboxylate metabolism, Biosynthesis of alkaloids derived from shikimate pathway, and Flavone and flavonol biosynthesis. This study lays a foundation for the later detection of differential metabolites and metabolic pathways for targeting, and provides a theoretical basis for disease-resistant breeding and the control of B. pervariabilis × D. grandis blight.
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Affiliation(s)
- Shujiang Li
- College of Forestry, Sichuan Agricultural University, Chengdu, 611130, Sichuan Province, China.
| | - Qianqian He
- College of Forestry, Sichuan Agricultural University, Chengdu, 611130, Sichuan Province, China.
| | - Qi Peng
- College of Forestry, Sichuan Agricultural University, Chengdu, 611130, Sichuan Province, China.
| | - Xinmei Fang
- College of Forestry, Sichuan Agricultural University, Chengdu, 611130, Sichuan Province, China.
| | - Tianhui Zhu
- College of Forestry, Sichuan Agricultural University, Chengdu, 611130, Sichuan Province, China.
| | - Tianmin Qiao
- College of Forestry, Sichuan Agricultural University, Chengdu, 611130, Sichuan Province, China.
| | - Shan Han
- College of Forestry, Sichuan Agricultural University, Chengdu, 611130, Sichuan Province, China.
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221
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Srivastava AK, Dutta S, Chattopadhyay S. MYC2 regulates ARR16, a component of cytokinin signaling pathways, in Arabidopsis seedling development. PLANT DIRECT 2019; 3:e00177. [PMID: 31788657 PMCID: PMC6875704 DOI: 10.1002/pld3.177] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 09/07/2019] [Accepted: 09/22/2019] [Indexed: 06/10/2023]
Abstract
MYC2 is a basic helix-loop-helix transcription factor that acts as a repressor of blue light-mediated photomorphogenic growth; however, it promotes lateral root formation. MYC2 also regulates different phytohormone-signaling pathways in crucial manner. Arabidopsis response regulator 16 (ARR16) is a negative regulator of cytokinin signaling pathways. Here, we show that MYC2 directly binds to the E-box of ARR16 minimal promoter and negatively regulates its expression in a cytokinin-dependent manner. While ARR16 and MYC2 influence jasmonic acid and cytokinin signaling, the expression of ARR16 is regulated by cry1, GBF1, and HYH, the components of light signaling pathways. The transgenic studies show that the expression of ARR16 is regulated by MYC2 at various stages of development. The mutational studies reveal that ARR16 positively regulates the hypocotyl growth in blue light, and phenotypic analysis of atmyc2 arr16 double mutant further reveals that arr16 can suppress the short hypocotyl phenotype of atmyc2. Altogether, this work highlights MYC2-mediated transcriptional repression of ARR16 in Arabidopsis seedling development.
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Affiliation(s)
| | - Siddhartha Dutta
- Department of BiotechnologyNational Institute of TechnologyDurgapurIndia
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222
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Zhang Y, Bo C, Wang L. Novel Crosstalks between Circadian Clock and Jasmonic Acid Pathway Finely Coordinate the Tradeoff among Plant Growth, Senescence and Defense. Int J Mol Sci 2019; 20:ijms20215254. [PMID: 31652760 PMCID: PMC6862349 DOI: 10.3390/ijms20215254] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 10/16/2019] [Accepted: 10/17/2019] [Indexed: 01/31/2023] Open
Abstract
Circadian clock not only functions as a cellular time-keeping mechanism, but also acts as a master regulator to coordinate the tradeoff between plant growth and defense in higher plants by timing a few kinds of phytohormone biosynthesis and signaling, including jasmonic acid (JA). Notably, circadian clock and JA pathway have recently been shown to intertwine with each other to ensure and optimize the plant fitness in an ever-changing environment. It has clearly demonstrated that there are multiple crosstalk pathways between circadian clock and JA at both transcriptional and post-transcriptional levels. In this scenario, circadian clock temporally modulates JA-mediated plant development events, herbivory resistance and susceptibility to pathogen. By contrast, the JA signaling regulates clock activity in a feedback manner. In this review, we summarized the cross networks between circadian clock and JA pathway at both transcriptional and post-transcriptional levels. We proposed that the novel crosstalks between circadian clock and JA pathway not only benefit for the understanding the JA-associated circadian outputs including leaf senescence, biotic, and abiotic defenses, but also put timing as a new key factor to investigate JA pathway in the future.
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Affiliation(s)
- Yuanyuan Zhang
- Key Laboratory of Plant Molecular Physiology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.
| | - Cunpei Bo
- Key Laboratory of Plant Molecular Physiology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Lei Wang
- Key Laboratory of Plant Molecular Physiology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
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223
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Schulze A, Zimmer M, Mielke S, Stellmach H, Melnyk CW, Hause B, Gasperini D. Wound-Induced Shoot-to-Root Relocation of JA-Ile Precursors Coordinates Arabidopsis Growth. MOLECULAR PLANT 2019; 12:1383-1394. [PMID: 31181337 DOI: 10.1016/j.molp.2019.05.013] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 05/29/2019] [Accepted: 05/30/2019] [Indexed: 05/22/2023]
Abstract
Multicellular organisms rely on the movement of signaling molecules across cells, tissues, and organs to communicate among distal sites. In plants, localized leaf damage activates jasmonic acid (JA)-dependent transcriptional reprogramming in both harmed and unharmed tissues. Although it has been indicated that JA species can translocate from damaged into distal sites, the identity of the mobile compound(s), the tissues through which they translocate, and the effect of their relocation remain unknown. Here, we found that following shoot wounding, the relocation of endogenous jasmonates through the phloem is essential to initiate JA signaling and stunt growth in unharmed roots of Arabidopsis thaliana. By employing grafting experiments and hormone profiling, we uncovered that the hormone precursor cis-12-oxo-phytodienoic acid (OPDA) and its derivatives, but not the bioactive JA-Ile conjugate, translocate from wounded shoots into undamaged roots. Upon root relocation, the mobile precursors cooperatively regulated JA responses through their conversion into JA-Ile and JA signaling activation. Collectively, our findings demonstrate the existence of long-distance translocation of endogenous OPDA and its derivatives, which serve as mobile molecules to coordinate shoot-to-root responses, and highlight the importance of a controlled redistribution of hormone precursors among organs during plant stress acclimation.
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Affiliation(s)
- Adina Schulze
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, Weinberg 3, 06120 Halle (Saale), Germany
| | - Marlene Zimmer
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, Weinberg 3, 06120 Halle (Saale), Germany
| | - Stefan Mielke
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, Weinberg 3, 06120 Halle (Saale), Germany
| | - Hagen Stellmach
- Department of Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry, 06120 Halle (Saale), Germany
| | - Charles W Melnyk
- Department of Plant Biology, Swedish University of Agricultural Sciences, 75651 Uppsala, Sweden
| | - Bettina Hause
- Department of Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry, 06120 Halle (Saale), Germany
| | - Debora Gasperini
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, Weinberg 3, 06120 Halle (Saale), Germany.
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224
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Yang B, Chen M, Wang T, Chen X, Li Y, Wang X, Zhu W, Xia L, Hu X, Tian J. A metabolomic strategy revealed the role of JA and SA balance in Clematis terniflora DC. Response to UVB radiation and dark. PHYSIOLOGIA PLANTARUM 2019; 167:232-249. [PMID: 30467852 DOI: 10.1111/ppl.12883] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 11/18/2018] [Accepted: 11/19/2018] [Indexed: 06/09/2023]
Abstract
Clematis terniflora DC. is a valuable resource with potential high pharmaceutical value. Proteomic, transcriptomic and metabolomic analyses of C. terniflora that has been exposed to high levels of UVB irradiation and dark conditions (HUVB + D) have revealed the mechanisms underlying its medicinal potential. However, the signal transduction pathways and the mechanisms of regulation for the accumulation of secondary metabolites remain unclear. In this study, we show that the jasmonic acid (JA) and salicylic acid (SA) signals were activated in C. terniflora in response to HUVB + D. Metabolomic analysis demonstrated that the perturbation in JA and SA balance led to additional reallocation of carbon and nitrogen resources. Evaluating the fold change ratios of differentially changed metabolites proved that JA signal enhanced the transformation of nitrogen to carbon through the 4-aminobutyric acid (GABA) shunt pathway, which increased the carbon reserve to be utilized in the production of secondary metabolites. However, SA signal induced the synthesis of proline, while avoiding the accumulation of secondary metabolites. Over all, the results indicate that the co-increase of JA and SA reconstructed the dynamic stability of transformation from nitrogen to carbon, which effectively enhanced the oxidative defense to HUVB + D in C. terniflora by increasing the secondary metabolites.
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Affiliation(s)
- Bingxian Yang
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Meng Chen
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Tantan Wang
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Xi Chen
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Yaohan Li
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Xin Wang
- College of Agronomy & Biotechnology, China Agricultural University, Beijing, China
| | - Wei Zhu
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Li'an Xia
- Benxi Hi-tech Industrial Development Zone, Benxi, China
| | - Xingjiang Hu
- Research Center for Clinical Pharmacy, First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Jingkui Tian
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
- Education Ministry Key Laboratory for Biomedical Engineering, Zhejiang University, Hangzhou, China
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225
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Poudel AN, Holtsclaw RE, Kimberlin A, Sen S, Zeng S, Joshi T, Lei Z, Sumner LW, Singh K, Matsuura H, Koo AJ. 12-Hydroxy-Jasmonoyl-l-Isoleucine Is an Active Jasmonate That Signals through CORONATINE INSENSITIVE 1 and Contributes to the Wound Response in Arabidopsis. PLANT & CELL PHYSIOLOGY 2019; 60:2152-2166. [PMID: 31150089 DOI: 10.1093/pcp/pcz109] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 05/21/2019] [Indexed: 06/09/2023]
Abstract
12-hydroxy-jasmonoyl-isoleucine (12OH-JA-Ile) is a metabolite in the catabolic pathway of the plant hormone jasmonate, and is synthesized by the cytochrome P450 subclade 94 enzymes. Contrary to the well-established function of jasmonoyl-isoleucine (JA-Ile) as the endogenous bioactive form of jasmonate, the function of 12OH-JA-Ile is unclear. Here, the potential role of 12OH-JA-Ile in jasmonate signaling and wound response was investigated. Exogenous application of 12OH-JA-Ile mimicked several JA-Ile effects including marker gene expression, anthocyanin accumulation and trichome induction in Arabidopsis thaliana. Genome-wide transcriptomics and untargeted metabolite analyses showed large overlaps between those affected by 12OH-JA-Ile and JA-Ile. 12OH-JA-Ile signaling was blocked by mutation in CORONATINE INSENSITIVE 1. Increased anthocyanin accumulation by 12OH-JA-Ile was additionally observed in tomato and sorghum, and was disrupted by the COI1 defect in tomato jai1 mutant. In silico ligand docking predicted that 12OH-JA-Ile can maintain many of the key interactions with COI1-JAZ1 residues identified earlier by crystal structure studies using JA-Ile as ligand. Genetic alternation of jasmonate metabolic pathways in Arabidopsis to deplete both JA-Ile and 12OH-JA-Ile displayed enhanced jasmonate deficient wound phenotypes and was more susceptible to insect herbivory than that depleted in only JA-Ile. Conversely, mutants overaccumulating 12OH-JA-Ile showed intensified wound responses compared with wild type with similar JA-Ile content. These data are indicative of 12OH-JA-Ile functioning as an active jasmonate signal and contributing to wound and defense response in higher plants.
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Affiliation(s)
- Arati N Poudel
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- Department of Plant Sciences, University of Missouri, Columbia, MO, USA
| | - Rebekah E Holtsclaw
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
| | - Athen Kimberlin
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
| | - Sidharth Sen
- Informatics Institute, University of Missouri, Columbia, MO, USA
| | - Shuai Zeng
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO, USA
| | - Trupti Joshi
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- Informatics Institute, University of Missouri, Columbia, MO, USA
- Health Management and Informatics, University of Missouri, Columbia, MO, USA
| | - Zhentian Lei
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- MU Metabolomics Core, University of Missouri, Columbia, MO, MO, USA
| | - Lloyd W Sumner
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- MU Metabolomics Core, University of Missouri, Columbia, MO, MO, USA
| | - Kamlendra Singh
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO, USA
| | - Hideyuki Matsuura
- Division of Fundamental Agriscience Research, Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
| | - Abraham J Koo
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
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226
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Zhang G, Yan X, Zhang S, Zhu Y, Zhang X, Qiao H, van Nocker S, Li Z, Wang X. The jasmonate-ZIM domain gene VqJAZ4 from the Chinese wild grape Vitis quinquangularis improves resistance to powdery mildew in Arabidopsis thaliana. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2019; 143:329-339. [PMID: 31539762 DOI: 10.1016/j.plaphy.2019.09.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 09/02/2019] [Accepted: 09/13/2019] [Indexed: 06/10/2023]
Abstract
Grape (Vitis vinifera L.) is one of the most widely cultivated and economically important fruits. Most cultivated varieties of grape are highly susceptible to fungal diseases, and one of the most pervasive is powdery mildew, caused by Uncinula necator. The jasmonate-ZIM domain (JAZ) family proteins are critical for plant responses to environmental stresses. Here, we report the characterization of VqJAZ4, a jasmonate-ZIM domain gene isolated from Vitis quinquangularis, a Chinese wild Vitis species that exhibits high tolerance to several kinds of fungi. Subcellular localization assay indicated that the VqJAZ4 protein is targeted to the nucleus. The VqJAZ4 gene was strongly induced by U. necator inoculation, as well as by the defense-related hormones methyl jasmonate (MeJA) and salicylic acid (SA). The upregulation of VqJAZ4 after inoculation was dependent on its promoter sequences. Expression of VqJAZ4 in Arabidopsis thaliana improved resistance to powdery mildew. Histochemical staining assays indicated that plants expressing VqJAZ4 displayed a larger number of dead cells and stronger reactive oxygen species (ROS) burst than non-transgenic control (NTC) plants. Expression analysis of several disease-related genes suggested that VqJAZ4 expression enhanced defense responses though SA and/or JA signaling pathways. We also found that VqJAZ4-expressing Arabidopsis showed increased susceptibility to Botrytis cinerea. Taken together, these results provide evidence that VqJAZ4 may play an important role in response to fungal pathogens in grape, and may represent a candidate for future grape molecular breeding for disease resistance.
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Affiliation(s)
- Guofeng Zhang
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xiaoxiao Yan
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Songlin Zhang
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yanxun Zhu
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xiuming Zhang
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Hengbo Qiao
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Steve van Nocker
- Department of Horticulture, Michigan State University, East Lansing, MI, 48824, USA
| | - Zhi Li
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xiping Wang
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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227
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Omega hydroxylated JA-Ile is an endogenous bioactive jasmonate that signals through the canonical jasmonate signaling pathway. Biochim Biophys Acta Mol Cell Biol Lipids 2019; 1864:158520. [PMID: 31473347 DOI: 10.1016/j.bbalip.2019.158520] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 08/12/2019] [Accepted: 08/26/2019] [Indexed: 11/21/2022]
Abstract
Jasmonates are fatty acid derivatives that control several plant processes including growth, development and defense. Despite the chemical diversity of jasmonates, only jasmonoyl-L-isoleucine (JA-Ile) has been clearly characterized as the endogenous ligand of the jasmonate co-receptors (COI1-JAZs) in higher plants. Currently, it is accepted that ω-hydroxylation of JA-Ile leads to inactivation of the molecule. This study shows that ω-hydroxylated JA-Ile (12-OH-JA-Ile) retains bioactivity and signals through the canonical JA-pathway. The results suggest that 12-OH-JA-Ile differentially activates a subset of JA-Ile co-receptors that may control and/or modulate particular jasmonate dependent responses. It is proposed that after a strong immune response mediated by JA-Ile, the ω-hydroxylated form modulates JA-Ile activated processes thereby improving plant resilience.
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228
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Arabidopsis Flowers Unlocked the Mechanism of Jasmonate Signaling. PLANTS 2019; 8:plants8080285. [PMID: 31416189 PMCID: PMC6724136 DOI: 10.3390/plants8080285] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/08/2019] [Accepted: 08/12/2019] [Indexed: 11/18/2022]
Abstract
The Arabidopsis male-sterile phenotype has been a wonderful model for jasmonate action in plants. It has allowed us to identify transcription factors that control gene expression during stamen and pollen maturation and provided for the discovery of the JAZ repressor proteins and the mechanism of jasmonate signaling. More recently, it has revealed intriguing details of the spatial localization of jasmonate synthesis and perception in stamen tissues. The extensive and thoughtful application of protein–protein interaction assays to identify JAZ-interacting partners has led to a much richer appreciation of the mechanisms by which jasmonate integrates with the actions of other hormones to regulate plant growth and physiological responses. This integration is strikingly evident in stamen and pollen development in Arabidopsis, which requires the actions of many hormones. Just as importantly, it is now evident that jasmonate has very different actions during flower development and reproduction in other plant species. This integration and diversity of action indicates that many exciting discoveries remain to be made in this area of jasmonate hormone signaling and response.
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229
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Phosphorylation-guarded light-harvesting complex II contributes to broad-spectrum blast resistance in rice. Proc Natl Acad Sci U S A 2019; 116:17572-17577. [PMID: 31405986 DOI: 10.1073/pnas.1905123116] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Environmental conditions are key factors in the progression of plant disease epidemics. Light affects the outbreak of plant diseases, but the underlying molecular mechanisms are not well understood. Here, we report that the light-harvesting complex II protein, LHCB5, from rice is subject to light-induced phosphorylation during infection by the rice blast fungus Magnaporthe oryzae We demonstrate that single-nucleotide polymorphisms (SNPs) in the LHCB5 promoter control the expression of LHCB5, which in turn correlates with the phosphorylation of LHCB5. LHCB5 phosphorylation enhances broad-spectrum resistance of rice to M. oryzae through the accumulation of reactive oxidative species (ROS) in the chloroplast. We also show that LHCB5 phosphorylation-induced resistance is inheritable. Our results uncover an immunity mechanism mediated by phosphorylation of light-harvesting complex II.
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230
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Schubert R, Grunewald S, von Sivers L, Hause B. Effects of Jasmonate on Ethylene Function during the Development of Tomato Stamens. PLANTS 2019; 8:plants8080277. [PMID: 31405001 PMCID: PMC6724093 DOI: 10.3390/plants8080277] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 07/16/2019] [Accepted: 08/06/2019] [Indexed: 11/23/2022]
Abstract
The phenotype of the tomato mutant jasmonate-insensitive1-1 (jai1-1) mutated in the JA-Ile co-receptor COI1 demonstrates JA function in flower development, since it is female-sterile. In addition, jai1-1 exhibits a premature anther dehydration and pollen release, being in contrast to a delayed anther dehiscence in the JA-insensitive Arabidopsis mutant coi1-1. The double mutant jai1-1 Never ripe (jai1-1 Nr), which is in addition insensitive to ethylene (ET), showed a rescue of the jai1-1 phenotype regarding pollen release. This suggests that JA inhibits a premature rise in ET to prevent premature stamen desiccation. To elucidate the interplay of JA and ET in more detail, stamen development in jai1-1 Nr was compared to wild type, jai1-1 and Nr regarding water content, pollen vitality, hormone levels, and accumulation of phenylpropanoids and transcripts encoding known JA- and ET-regulated genes. For the latter, RT-qPCR based on nanofluidic arrays was employed. The data showed that additional prominent phenotypic features of jai1-1, such as diminished water content and pollen vitality, and accumulation of phenylpropanoids were at least partially rescued by the ET-insensitivity. Hormone levels and accumulation of transcripts were not affected. The data revealed that strictly JA-regulated processes cannot be rescued by ET-insensitivity, thereby emphasizing a rather minor role of ET in JA-regulated stamen development.
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Affiliation(s)
- Ramona Schubert
- Department of Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry, D06120 Halle (Saale), Germany
| | - Stephan Grunewald
- Department of Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry, D06120 Halle (Saale), Germany
| | - Lea von Sivers
- Department of Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry, D06120 Halle (Saale), Germany
| | - Bettina Hause
- Department of Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry, D06120 Halle (Saale), Germany.
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231
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Gimenez-Ibanez S, Zamarreño AM, García-Mina JM, Solano R. An Evolutionarily Ancient Immune System Governs the Interactions between Pseudomonas syringae and an Early-Diverging Land Plant Lineage. Curr Biol 2019; 29:2270-2281.e4. [PMID: 31303486 DOI: 10.1016/j.cub.2019.05.079] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 04/15/2019] [Accepted: 05/31/2019] [Indexed: 02/06/2023]
Abstract
Evolutionary molecular plant-microbe interactions (EvoMPMI) is an emerging field bridging the gap between molecular phytopathology and evolutionary studies. EvoMPMI research is currently challenging due to the scarcity of pathogenic model systems in early-diverging land plants. Liverworts are among the earliest diverging land-plant lineages, and Marchantia polymorpha has emerged as a liverwort model for evolutionary studies. However, bacterial pathogens of Marchantia have not yet been discovered, and the molecular mechanisms controlling plant-pathogen interactions in this early-diverging land plant remain unknown. Here, we describe a robust experimental plant-bacterial pathosystem for EvoMPMI studies and discover that an ancient immune system governs plant-microbe interactions between M. polymorpha and the hemi-biotrophic pathogenic bacteria Pseudomonas syringae. We show that P. syringae pv tomato (Pto) DC3000, causal agent of tomato bacterial speck disease, colonizes M. polymorpha and activates typical hallmarks of plant innate immunity. Virulence of Pto DC3000 on M. polymorpha relies on effector activities inside liverwort cells, including conserved AvrPto and AvrPtoB functions. Host specificity analyses uncovered pathogenic differences among P. syringae strains, suggesting that M. polymorpha-P. syringae interactions are controlled by the genetic backgrounds of both host and pathogen. Finally, we show that ancient phytohormone defensive networks govern M. polymorpha-P. syringae interactions. Altogether, our results demonstrate that the basic structure of the plant immune system of extant angiosperms is evolutionarily ancient and conserved in early-diverging land plants. This basic immune system may have been instrumental for land colonization by the common ancestor of land plants.
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Affiliation(s)
- Selena Gimenez-Ibanez
- Plant Molecular Genetics Department, Centro Nacional de Biotecnología-CSIC (CNB-CSIC), Madrid 28049, Spain.
| | - Angel M Zamarreño
- Environmental Biology Department, University of Navarra, Navarra 31008, Spain
| | - Jose M García-Mina
- Environmental Biology Department, University of Navarra, Navarra 31008, Spain
| | - Roberto Solano
- Plant Molecular Genetics Department, Centro Nacional de Biotecnología-CSIC (CNB-CSIC), Madrid 28049, Spain.
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232
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Pavlovič A, Mithöfer A. Jasmonate signalling in carnivorous plants: copycat of plant defence mechanisms. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:3379-3389. [PMID: 31120525 DOI: 10.1093/jxb/erz188] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 04/09/2019] [Indexed: 05/09/2023]
Abstract
The lipid-derived jasmonate phytohormones (JAs) regulate a wide spectrum of physiological processes in plants such as growth, development, tolerance to abiotic stresses, and defence against pathogen infection and insect attack. Recently, a new role for JAs has been revealed in carnivorous plants. In these specialized plants, JAs can induce the formation of digestive cavities and regulate enzyme production in response to different stimuli from caught prey. Appearing to be a new function for JAs in plants, a closer look reveals that the signalling pathways involved resemble known signalling pathways from plant defence mechanisms. Moreover, the digestion-related secretome of carnivorous plants is composed of many pathogenesis-related (PR) proteins and low molecular weight compounds, indicating that the plant carnivory syndrome is related to and has evolved from plant defence mechanisms. This review describes the similarities between defence and carnivory. It further describes how, after recognition of caught insects, JAs enable the carnivorous plants to digest and benefit from the prey. In addition, a causal connection between electrical and jasmonate signalling is discussed.
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Affiliation(s)
- Andrej Pavlovič
- Department of Biophysics, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science, Palacký University, Šlechtitelů, CZ, Olomouc, Czech Republic
| | - Axel Mithöfer
- Research Group Plant Defense Physiology, Max Planck Institute for Chemical Ecology, Hans-Knöll-Straße, Jena, Germany
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233
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Zhai Q, Li C. The plant Mediator complex and its role in jasmonate signaling. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:3415-3424. [PMID: 31089685 PMCID: PMC6609880 DOI: 10.1093/jxb/erz233] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Accepted: 05/07/2019] [Indexed: 05/20/2023]
Abstract
The Mediator complex is an essential, multisubunit transcriptional coactivator that is highly conserved in eukaryotes. Mediator interacts with gene-specific transcription factors, the RNA polymerase II transcriptional machinery, as well as several other factors involved in transcription, and acts as an integral hub to regulate various aspects of transcription. Recent studies of the plant Mediator complex have established that it functions in diverse aspects of plant development and fitness. Jasmonate (JA) is an oxylipin-derived plant hormone that regulates plant immunity and development. The basic helix-loop-helix transcription factor MYC2, which is a master regulator of JA signaling, orchestrates genome-wide transcriptional reprogramming of plant cells to coordinate defense- and growth-related processes. Here, we review the function of the plant Mediator complex in regulating JA signaling. We focus on the multifunctional Mediator subunit MED25, which emerges as an integrative hub for the transcriptional regulation of jasmonate signaling.
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Affiliation(s)
- Qingzhe Zhai
- State Key Laboratory of Plant Genomics, National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | - Chuanyou Li
- State Key Laboratory of Plant Genomics, National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- Correspondence:
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234
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Wang J, Wu D, Wang Y, Xie D. Jasmonate action in plant defense against insects. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:3391-3400. [PMID: 30976791 DOI: 10.1093/jxb/erz174] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 03/30/2019] [Indexed: 05/19/2023]
Abstract
Herbivorous insects represent one of the major threats to sessile plants. To cope with herbivore challenges, plants have evolved sophisticated defense systems, in which the lipid-derived phytohormone jasmonate plays a crucial role. Perception of insect attack locally and systemically elicits rapid synthesis of jasmonate, which is perceived by the F-box protein COI1 to further recruit JAZ repressors for ubiquitination and degradation, thereby releasing transcription factors that subsequently activate plant defense against insect attack. Here, we review recent progress in understanding the molecular basis of jasmonate action in plant defense against insects.
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Affiliation(s)
- Jiaojiao Wang
- MOE Key Laboratory of Bioinformatics, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, China
| | - Dewei Wu
- Jiangsu Provincial Key Laboratory of Crop Genetics and Physiology, Yangzhou University, Yangzhou, China
| | - Youping Wang
- Jiangsu Provincial Key Laboratory of Crop Genetics and Physiology, Yangzhou University, Yangzhou, China
| | - Daoxin Xie
- MOE Key Laboratory of Bioinformatics, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, China
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235
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Williams C, Fernández-Calvo P, Colinas M, Pauwels L, Goossens A. Jasmonate and auxin perception: how plants keep F-boxes in check. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:3401-3414. [PMID: 31173086 DOI: 10.1093/jxb/erz272] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 05/29/2019] [Indexed: 05/24/2023]
Abstract
Phytohormones regulate the plasticity of plant growth and development, and responses to biotic and abiotic stresses. Many hormone signal transduction cascades involve ubiquitination and subsequent degradation of proteins by the 26S proteasome. The conjugation of ubiquitin to a substrate is facilitated by the E1 activating, E2 conjugating, and the substrate-specifying E3 ligating enzymes. The most prevalent type of E3 ligase in plants is the Cullin-RING ligase (CRL)-type, with F-box proteins (FBPs) as the substrate recognition component. The activity of these SKP-Cullin-F-box (SCF) complexes needs to be tightly regulated in time and place. Here, we review the regulation of SCF function in plants on multiple levels, with a focus on the auxin and jasmonate SCF-type receptor complexes. We discuss in particular the relevance of protein-protein interactions and post-translational modifications as mechanisms to keep SCF functioning under control. Additionally, we highlight the unique property of SCFTIR1/AFB and SCFCOI1 to recognize substrates by forming co-receptor complexes. Finally, we explore how engineered selective agonists can be used to study and uncouple the outcomes of the complex auxin and jasmonate signaling networks that are governed by these FBPs.
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Affiliation(s)
- Clara Williams
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| | - Patricia Fernández-Calvo
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
- Centre for Plant Biotechnology and Genomics, Parque Cientifico y Tecnologico, UPM Campus de Montegancedo, Madrid, Spain
| | - Maite Colinas
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| | - Laurens Pauwels
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| | - Alain Goossens
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
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236
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Genome-Wide Identification and Characterization of JAZ Protein Family in Two Petunia Progenitors. PLANTS 2019; 8:plants8070203. [PMID: 31277246 PMCID: PMC6681285 DOI: 10.3390/plants8070203] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 06/26/2019] [Accepted: 06/28/2019] [Indexed: 12/31/2022]
Abstract
Jasmonate ZIM-domain (JAZ) family proteins are the key repressors in the jasmonate signaling pathway and play crucial roles in plant development, defenses, and responses to stresses. However, our knowledge about the JAZ protein family in petunia is limited. This research respectively identified 12 and 16 JAZ proteins in two Petunia progenitors, Petunia axillaris and Petunia inflata. Phylogenetic analysis showed that the 28 proteins could be divided into four groups (Groups A–D) and further classified into six subgroups (A1, A2, B1, B3, C, and D1); members in the same subgroup shared some similarities in motif composition and sequence structure. The Ka/Ks ratios of seven paralogous pairs were less than one, suggesting the petunia JAZ family might have principally undergone purifying selection. Quantitative real-time PCR (qRT-PCR) analysis revealed that PaJAZ genes presented differential expression patterns during the development of flower bud and anther in petunia, and the expression of PaJAZ5, 9, 12 genes was generally up-regulated after MeJA treatment. Subcellular localization assays demonstrated that proteins PaJAZ5, 9, 12 were localized in nucleus. Yeast two hybrid (Y2H) elucidated most PaJAZ proteins (PaJAZ1-7, 9, 12) might interact with transcription factor MYC2. This study provides insights for further investigation of functional analysis in petunia JAZ family proteins.
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237
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Li Y, Liu J, Díaz-Cruz G, Cheng Z, Bignell DRD. Virulence mechanisms of plant-pathogenic Streptomyces species: an updated review. MICROBIOLOGY-SGM 2019; 165:1025-1040. [PMID: 31162023 DOI: 10.1099/mic.0.000818] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Gram-positive Actinobacteria from the genus Streptomyces are best known for their morphological complexity and for their ability to produce numerous bioactive specialized metabolites with useful applications in human and veterinary medicine and in agriculture. In contrast, the ability to infect living plant tissues and to cause diseases of root and tuber crops such as potato common scab (CS) is a rare attribute among members of this genus. Research on the virulence mechanisms of plant-pathogenic Streptomyces spp. has revealed the importance of the thaxtomin phytotoxins as key pathogenicity determinants produced by several species. In addition, other phytotoxic specialized metabolites may contribute to the development or severity of disease caused by Streptomyces spp., along with the production of phytohormones and secreted proteins. A thorough understanding of the molecular mechanisms of plant pathogenicity will enable the development of better management procedures for controlling CS and other plant diseases caused by the Streptomyces.
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Affiliation(s)
- Yuting Li
- Department of Biology, Memorial University of Newfoundland, St John's, NL A1B 3X9, Canada
| | - Jingyu Liu
- Department of Biology, Memorial University of Newfoundland, St John's, NL A1B 3X9, Canada
| | - Gustavo Díaz-Cruz
- Department of Biology, Memorial University of Newfoundland, St John's, NL A1B 3X9, Canada
| | - Zhenlong Cheng
- Department of Biology, Memorial University of Newfoundland, St John's, NL A1B 3X9, Canada
| | - Dawn R D Bignell
- Department of Biology, Memorial University of Newfoundland, St John's, NL A1B 3X9, Canada
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238
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Masimbula R, Oki K, Shibata H, Osawa H, Kondo N, Takahashi K, Matsuura H. Ability of plant pathogenic fungi Gibberella fujikuroi and Fusarium commune to react with airborne methyl jasmonate. Biosci Biotechnol Biochem 2019; 83:1650-1654. [PMID: 31088333 DOI: 10.1080/09168451.2019.1617108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The pathogenic fungi Gibberella fujikuroi and Fusarium commune produce jasmonic acid. The application of volatile deuterium-labeled methyl jasmonate increased the amount of nonlabeled JA present in G. fujikuroi and F. commune. These results indicate that the fungi have the ability to react with airborne methyl jasmonate in a manner similar to a plant.
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Affiliation(s)
- Rishni Masimbula
- a Division of Fundamental AgriScience, Research Faculty of Agriculture, Hokkaido University , Sapporo , Japan
| | - Katsunari Oki
- a Division of Fundamental AgriScience, Research Faculty of Agriculture, Hokkaido University , Sapporo , Japan
| | - Hiroki Shibata
- a Division of Fundamental AgriScience, Research Faculty of Agriculture, Hokkaido University , Sapporo , Japan
| | - Hisashi Osawa
- a Division of Fundamental AgriScience, Research Faculty of Agriculture, Hokkaido University , Sapporo , Japan
| | - Norio Kondo
- a Division of Fundamental AgriScience, Research Faculty of Agriculture, Hokkaido University , Sapporo , Japan
| | - Kosaku Takahashi
- a Division of Fundamental AgriScience, Research Faculty of Agriculture, Hokkaido University , Sapporo , Japan
| | - Hideyuki Matsuura
- a Division of Fundamental AgriScience, Research Faculty of Agriculture, Hokkaido University , Sapporo , Japan
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239
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Miyamoto K, Matsumoto T, Yumoto E, Sakazawa T, Yokota T, Yamane H, Uchida K. Facile preparation of optically active jasmonates and their biological activities in rice. Biosci Biotechnol Biochem 2019; 83:876-881. [DOI: 10.1080/09168451.2019.1569500] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
ABSTRACT
A facile and efficient method has been developed for the optical resolution of racemic jasmonic acid (JA) on a relatively large scale and was successfully utilized for the preparation of optically pure (+)-JA and (−)-JA. We indicated that (+)-JA has lower growth inhibitory activity than (−)-JA in the rice seedling growth test and confirmed in line with an earlier observation that their respective biologically-active forms, (+)-JA-Ile and (−)-JA-Ile, show comparable inhibitory activities. We compared the metabolism of (+)-JA and (−)-JA into (+)-JA-Ile and (−)-JA-Ile, respectively, in the JA-deficient rice cpm2, and found that the exogenously applied (+)-JA was metabolized to the corresponding Ile conjugate less efficiently as compared with (−)-JA. Such metabolic rate difference may cause a discrepancy between biological potencies of (+)-JA and (−)-JA in rice.
Abbreviations: FW: fresh weight; Ile: isoleucine; JA: jasmonic acid; JA-Ile: jasmonoyl-l-isoleucine; LC-ESI-MS/MS: liquid chromatography and electrospray ionization tandem mass spectrometry; MeJA: methyl jasmonate; OPDA: 12-oxophytodienoic acid
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Affiliation(s)
- Koji Miyamoto
- Department of Biosciences, Faculty of Science and Engineering, Teikyo University, Utsunomiya, Tochigi, Japan
| | - Tomoharu Matsumoto
- Department of Biosciences, Faculty of Science and Engineering, Teikyo University, Utsunomiya, Tochigi, Japan
| | - Emi Yumoto
- Advanced Instrumental Analysis Center, Teikyo University, Utsunomiya, Tochigi, Japan
| | - Tomoko Sakazawa
- Department of Biosciences, Faculty of Science and Engineering, Teikyo University, Utsunomiya, Tochigi, Japan
| | - Takao Yokota
- Department of Biosciences, Faculty of Science and Engineering, Teikyo University, Utsunomiya, Tochigi, Japan
| | - Hisakazu Yamane
- Department of Biosciences, Faculty of Science and Engineering, Teikyo University, Utsunomiya, Tochigi, Japan
- Advanced Instrumental Analysis Center, Teikyo University, Utsunomiya, Tochigi, Japan
| | - Kenichi Uchida
- Department of Biosciences, Faculty of Science and Engineering, Teikyo University, Utsunomiya, Tochigi, Japan
- Advanced Instrumental Analysis Center, Teikyo University, Utsunomiya, Tochigi, Japan
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Chao J, Zhao Y, Jin J, Wu S, Deng X, Chen Y, Tian WM. Genome-Wide Identification and Characterization of the JAZ Gene Family in Rubber Tree ( Hevea brasiliensis). Front Genet 2019; 10:372. [PMID: 31118943 PMCID: PMC6504806 DOI: 10.3389/fgene.2019.00372] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 04/09/2019] [Indexed: 11/13/2022] Open
Abstract
Jasmonate signaling plays a vital role in the regulation of secondary laticifer differentiation and natural rubber biosynthesis in Hevea brasiliensis. Jasmonate ZIM-domain (JAZ) proteins are the master regulators of jasmonate signaling. Although several JAZs have been reported in the laticifer cells of H. brasiliensis, the genome-wide screening of HbJAZ members has not yet been explored. In the present study, 18 HbJAZs were identified based on the recent H. brasiliensis genome. Phylogenetic construction revealed that the HbJAZs were clustered into five subgroups and that members within the same subgroup shared highly conserved gene structures and protein motifs. Cis-element analysis of HbJAZ promoters suggested the presence of hormone, stress and development-related cis-elements. HbJAZ1.0, HbJAZ2.0, and HbJAZ5.0 interacted with CORONATINE INSENSITIVE1 (COI1) in the presence of coronatine (COR, a JA mimic). HbJAZ1.0, HbJAZ2.0, HbJAZ5.0, and HbJAZ12.0 could also interact with each other. Of the 18 HbJAZs, transcripts of 15 HbJAZs were present in the vascular cambium region except for that of HbJAZ7.0, HbJAZ8.0d, and HbJAZ13.0. Fourteen of the 15 HbJAZs were significantly up-regulated upon COR treatment. The transcripts of three genes that were absent from vascular cambium region were also absent from the latex. Among the 15 HbJAZs in the latex, the expression patterns of 13 HbJAZs were different between the tapping and ethrel treatments. Eight of the 14 COR-up-regulated HbJAZs in the vascular cambium region were also activated by tapping in latex. Of the eight tapping-activated HbJAZs, 5 HbJAZs were repressed by ethrel application. Based on the computational analyses and gene expression patterns described in this study, the HbJAZ5.0 and HbJAZ10.0b may be associated with laticifer differentiation while the HbJAZ8.0b is a negative regulator for natural rubber biosynthesis in H. brasiliensis.
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Affiliation(s)
- Jinquan Chao
- Ministry of Agriculture Key Laboratory of Biology and Genetic Resources of Rubber Tree/State Key Laboratory Breeding Base of Cultivation and Physiology for Tropical Crops, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Yue Zhao
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
| | - Jie Jin
- Nextomics Biosciences Co., Ltd., Wuhan, China
| | - Shaohua Wu
- Ministry of Agriculture Key Laboratory of Biology and Genetic Resources of Rubber Tree/State Key Laboratory Breeding Base of Cultivation and Physiology for Tropical Crops, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Xiaomin Deng
- Ministry of Agriculture Key Laboratory of Biology and Genetic Resources of Rubber Tree/State Key Laboratory Breeding Base of Cultivation and Physiology for Tropical Crops, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Yueyi Chen
- Ministry of Agriculture Key Laboratory of Biology and Genetic Resources of Rubber Tree/State Key Laboratory Breeding Base of Cultivation and Physiology for Tropical Crops, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Wei-Min Tian
- Ministry of Agriculture Key Laboratory of Biology and Genetic Resources of Rubber Tree/State Key Laboratory Breeding Base of Cultivation and Physiology for Tropical Crops, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
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Miao XY, Qu HP, Han YL, He CF, Qiu DW, Cheng ZW. The protein elicitor Hrip1 enhances resistance to insects and early bolting and flowering in Arabidopsis thaliana. PLoS One 2019; 14:e0216082. [PMID: 31022256 PMCID: PMC6483360 DOI: 10.1371/journal.pone.0216082] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 04/12/2019] [Indexed: 11/19/2022] Open
Abstract
The elicitor Hrip1 isolated from necrotrophic fungus Alternaria tenuissima, could induce systemic acquired resistance in tobacco to enhance resistance to tobacco mosaic virus. In the present study, we found that the transgenic lines of Hrip1-overexpression in wild type (WT) Arabidopsis thaliana were more resistant to Spodoptera exigua and were early bolting and flowering than the WT. A profiling of transcription assay using digital gene expression profiling was used for transgenic and WT Arabidopsis thaliana. Differentially expressed genes including 40 upregulated and three downregulated genes were identified. In transgenic lines of Hrip1-overexpression, three genes related to jasmonate (JA) biosynthesis were significantly upregulated, and the JA level was found to be higher than WT. Two GDSL family members (GLIP1 and GLIP4) and pathogen-related gene, which participated in pathogen defense action, were upregulated in the transgenic line of Hrip1-overexpression. Thus, Hrip1 is involved in affecting the flower bolting time and regulating endogenous JA biosynthesis and regulatory network to enhance resistance to insect.
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Affiliation(s)
- Xin-yue Miao
- Beijing Key Laboratory of Plants Resource Research and Development, School of Sciences, Beijing Technology and Business University, Beijing, China
| | - Hong-pan Qu
- Beijing Key Laboratory of Plants Resource Research and Development, School of Sciences, Beijing Technology and Business University, Beijing, China
| | - Ya-lei Han
- Aerospace Center Hospital, Cardiovascular Department, Beijing, China
| | - Cong-fen He
- Beijing Key Laboratory of Plants Resource Research and Development, School of Sciences, Beijing Technology and Business University, Beijing, China
| | - De-wen Qiu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhi-wei Cheng
- Beijing Key Laboratory of Plants Resource Research and Development, School of Sciences, Beijing Technology and Business University, Beijing, China
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- * E-mail:
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Ke Y, Kang Y, Wu M, Liu H, Hui S, Zhang Q, Li X, Xiao J, Wang S. Jasmonic Acid-Involved OsEDS1 Signaling in Rice-Bacteria Interactions. RICE (NEW YORK, N.Y.) 2019; 12:25. [PMID: 30989404 PMCID: PMC6465387 DOI: 10.1186/s12284-019-0283-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 03/27/2019] [Indexed: 05/28/2023]
Abstract
BACKGROUND The function of Arabidopsis enhanced disease susceptibility 1 (AtEDS1) and its sequence homologs in other dicots have been extensively studied. However, it is unknown whether rice EDS1 homolog (OsEDS1) plays a role in regulating the rice-pathogen interaction. RESULTS In this study, a OsEDS1-knouckout mutant (oseds1) was characterized and shown to have increased susceptibility to Xanthomonas oryzae pv. oryzae (Xoo) and Xanthomonas oryzae pv. oryzicola (Xoc), suggesting the positive role of OsEDS1 in regulating rice disease resistance. However, the following evidence suggests that OsEDS1 shares some differences with AtEDS1 in its way to regulate the host-pathogen interactions. Firstly, OsEDS1 modulates the rice-bacteria interactions involving in jasmonic acid (JA) signaling pathway, while AtEDS1 regulates Arabidopsis disease resistance against biotrophic pathogens depending on salicylic acid (SA) signaling pathway. Secondly, introducing AtEDS1 could reduce oseds1 mutant susceptibility to Xoo rather than to Xoc. Thirdly, exogenous application of JA and SA cannot complement the susceptible phenotype of the oseds1 mutant, while exogenous application of SA is capable of complementing the susceptible phenotype of the ateds1 mutant. Finally, OsEDS1 is not required for R gene mediated resistance, while AtEDS1 is required for disease resistance mediated by TIR-NB-LRR class of R proteins. CONCLUSION OsEDS1 is a positive regulator in rice-pathogen interactions, and shares both similarities and differences with AtEDS1 in its way to regulate plant-pathogen interactions.
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Affiliation(s)
- Yinggen Ke
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Yuanrong Kang
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Mengxiao Wu
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Hongbo Liu
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Shugang Hui
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Qinglu Zhang
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Xianghua Li
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Jinghua Xiao
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Shiping Wang
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China.
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Lunde C, Kimberlin A, Leiboff S, Koo AJ, Hake S. Tasselseed5 overexpresses a wound-inducible enzyme, ZmCYP94B1, that affects jasmonate catabolism, sex determination, and plant architecture in maize. Commun Biol 2019; 2:114. [PMID: 30937397 PMCID: PMC6433927 DOI: 10.1038/s42003-019-0354-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 02/13/2019] [Indexed: 12/26/2022] Open
Abstract
Maize is monecious, with separate male and female inflorescences. Maize flowers are initially bisexual but achieve separate sexual identities through organ arrest. Loss-of-function mutants in the jasmonic acid (JA) pathway have only female flowers due to failure to abort silks in the tassel. Tasselseed5 (Ts5) shares this phenotype but is dominant. Positional cloning and transcriptomics of tassels identified an ectopically expressed gene in the CYP94B subfamily, Ts5 (ZmCYP94B1). CYP94B enzymes are wound inducible and inactivate bioactive jasmonoyl-L-isoleucine (JA-Ile). Consistent with this result, tassels and wounded leaves of Ts5 mutants displayed lower JA and JA-lle precursors and higher 12OH-JA-lle product than the wild type. Furthermore, many wounding and jasmonate pathway genes were differentially expressed in Ts5 tassels. We propose that the Ts5 phenotype results from the interruption of JA signaling during sexual differentiation via the upregulation of ZmCYP94B1 and that its proper expression maintains maize monoecy.
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Affiliation(s)
- China Lunde
- University of California, Berkeley, CA 94720 USA
- Plant Gene Expression Center, U.S. Department of Agriculture-Agricultural Research Service, 800 Buchanan Street, Albany, CA 94710 USA
| | - Athen Kimberlin
- Department of Biochemistry, University of Missouri, Columbia, MO 65211 USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO 65211 USA
| | - Samuel Leiboff
- University of California, Berkeley, CA 94720 USA
- Plant Gene Expression Center, U.S. Department of Agriculture-Agricultural Research Service, 800 Buchanan Street, Albany, CA 94710 USA
| | - Abraham J. Koo
- Department of Biochemistry, University of Missouri, Columbia, MO 65211 USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO 65211 USA
| | - Sarah Hake
- University of California, Berkeley, CA 94720 USA
- Plant Gene Expression Center, U.S. Department of Agriculture-Agricultural Research Service, 800 Buchanan Street, Albany, CA 94710 USA
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Pollmann S, Springer A, Rustgi S, von Wettstein D, Kang C, Reinbothe C, Reinbothe S. Substrate channeling in oxylipin biosynthesis through a protein complex in the plastid envelope of Arabidopsis thaliana. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:1483-1495. [PMID: 30690555 PMCID: PMC6411374 DOI: 10.1093/jxb/erz015] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 01/06/2019] [Indexed: 05/20/2023]
Abstract
Oxygenated membrane fatty acid derivatives termed oxylipins play important roles in plant defense against biotic and abiotic cues. Plants challenged by insect pests, for example, synthesize a blend of different defense compounds that include volatile aldehydes and jasmonic acid (JA), among others. Because all oxylipins are derived from the same pathway, we investigated how their synthesis might be regulated, focusing on two closely related atypical cytochrome P450 enzymes designated CYP74A and CYP74B, respectively, allene oxide synthase (AOS) and hydroperoxide lyase (HPL). These enzymes compete for the same substrate but give rise to different products: the final product of the AOS branch of the oxylipin pathway is JA, while those of the HPL branch comprise volatile aldehydes and alcohols. AOS and HPL are plastid envelope enzymes in Arabidopsis thaliana but accumulate at different locations. Biochemical experiments identified AOS as a constituent of complexes also containing lipoxygenase 2 (LOX2) and allene oxide cyclase (AOC), which catalyze consecutive steps in JA precursor biosynthesis, while excluding the concurrent HPL reaction. Based on published X-ray data, the structure of this complex was modelled and amino acids involved in catalysis and subunit interactions predicted. Genetic studies identified the microRNA 319-regulated clade of TCP (TEOSINTE BRANCHED/CYCLOIDEA/PCF) transcription factor genes and CORONATINE INSENSITIVE 1 (COI1) as controlling JA production through the LOX2-AOS-AOC2 complex. Together, our results define a molecular branch point in oxylipin biosynthesis that allows fine-tuning of the plant's defense machinery in response to biotic and abiotic stimuli.
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Affiliation(s)
- Stephan Pollmann
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) – Instituto Nacional de Investigación y Tecnología Agraria y Alimentación (INIA), Campus de Montegancedo, Pozuelo de Alarcón (Madrid), Spain
- Correspondence: or
| | - Armin Springer
- Medizinische Biologie und Elektronenmikroskopisches Zentrum (EMZ), Universitätsmedizin Rostock, Rostock, Germany
| | - Sachin Rustgi
- Department of Plant and Environmental Sciences, Pee Dee Research and Education Center, Clemson University, Florence, SC, USA
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, USA
- Molecular Plant Sciences Program, Washington State University, Pullman, WA, USA
| | - Diter von Wettstein
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, USA
- Molecular Plant Sciences Program, Washington State University, Pullman, WA, USA
- Center for Reproductive Biology, Washington State University, Pullman, WA, USA
| | - ChulHee Kang
- Department of Chemistry, Washington State University, Pullman, WA, USA
- School of Molecular Biosciences, Washington State University, Pullman, WA, USA
- Biomolecular Crystallography Center, Washington State University, Pullman, WA, USA
| | - Christiane Reinbothe
- Laboratoire de Génétique Moléculaire des Plantes, Université Grenoble Alpes, CEDEX, France
| | - Steffen Reinbothe
- Laboratoire de Génétique Moléculaire des Plantes, Université Grenoble Alpes, CEDEX, France
- Correspondence: or
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Ortigosa A, Gimenez‐Ibanez S, Leonhardt N, Solano R. Design of a bacterial speck resistant tomato by CRISPR/Cas9-mediated editing of SlJAZ2. PLANT BIOTECHNOLOGY JOURNAL 2019; 17:665-673. [PMID: 30183125 PMCID: PMC6381780 DOI: 10.1111/pbi.13006] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 08/16/2018] [Accepted: 08/23/2018] [Indexed: 05/19/2023]
Abstract
Due to their different lifestyles, effective defence against biotrophic pathogens normally leads to increased susceptibility to necrotrophs, and vice versa. Solving this trade-off is a major challenge for obtaining broad-spectrum resistance in crops and requires uncoupling the antagonism between the jasmonate (JA) and salicylate (SA) defence pathways. Pseudomonas syringae pv. tomato (Pto) DC3000, the causal agent of tomato bacterial speck disease, produces coronatine (COR) that stimulates stomata opening and facilitates bacterial leaf colonization. In Arabidopsis, stomata response to COR requires the COR co-receptor AtJAZ2, and dominant AtJAZ2Δjas repressors resistant to proteasomal degradation prevent stomatal opening by COR. Here, we report the generation of a tomato variety resistant to the bacterial speck disease caused by PtoDC3000 without compromising resistance to necrotrophs. We identified the functional ortholog of AtJAZ2 in tomato, found that preferentially accumulates in stomata and proved that SlJAZ2 is a major co-receptor of COR in stomatal guard cells. SlJAZ2 was edited using CRISPR/Cas9 to generate dominant JAZ2 repressors lacking the C-terminal Jas domain (SlJAZ2Δjas). SlJAZ2Δjas prevented stomatal reopening by COR and provided resistance to PtoDC3000. Water transpiration rate and resistance to the necrotrophic fungal pathogen Botrytis cinerea, causal agent of the tomato gray mold, remained unaltered in Sljaz2Δjas plants. Our results solve the defence trade-off in a crop, by spatially uncoupling the SA-JA hormonal antagonism at the stomata, entry gates of specific microbes such as PtoDC3000. Moreover, our results also constitute a novel CRISPR/Cas-based strategy for crop protection that could be readily implemented in the field.
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Affiliation(s)
- Andrés Ortigosa
- Departamento de Genética Molecular de PlantasCentro Nacional de BiotecnologíaConsejo Superior de Investigaciones Científicas (CNB‐CSIC)MadridSpain
| | - Selena Gimenez‐Ibanez
- Departamento de Genética Molecular de PlantasCentro Nacional de BiotecnologíaConsejo Superior de Investigaciones Científicas (CNB‐CSIC)MadridSpain
| | - Nathalie Leonhardt
- Unité Mixte de Recherche 7265Laboratoire de Biologie du Développement des PlantesCommissariat à l'Energie Atomique et aux Energies alternatives (CEA) CadaracheCNRS/CEA/Aix‐Marseille UniversitéSaint‐Paul‐lez‐DuranceFrance
| | - Roberto Solano
- Departamento de Genética Molecular de PlantasCentro Nacional de BiotecnologíaConsejo Superior de Investigaciones Científicas (CNB‐CSIC)MadridSpain
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Zhang W, Liu S, Li C, Zhang P, Zhang P. Transcriptome sequencing of Antarctic moss under salt stress emphasizes the important roles of the ROS-scavenging system. Gene 2019; 696:122-134. [PMID: 30790651 DOI: 10.1016/j.gene.2019.02.037] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 02/08/2019] [Accepted: 02/13/2019] [Indexed: 01/06/2023]
Abstract
Mosses are predominant terrestrial vegetation in Antarctica. Their distributions appear to be controlled more by water and salinity. The Antarctic moss Pohlia nutans can tolerate high salt stress. Here, high-throughput sequencing was employed to study the transcriptional characteristics of P. nutans under salt stress. Differentially expressed genes (DEGs) analysis showed that 1340 genes were significantly upregulated and 831 genes were markedly downregulated. The expression of representative DEGs including abscisic acid (ABA) and Jasmonates (JAs) pathway-related genes, antioxidant enzyme genes, and flavonoid biosynthesis-related genes were analyzed by real-time PCR and most were upregulated after salt stress. Furthermore, malondialdehyde (MDA) content was significantly increased after salt treatment. The levels of hydroxyl free radical (∙OH) first rose then quickly decreased. In addition, the activities of antioxidant enzymes, such as catalase (CAT), superoxide dismutase (SOD), and peroxidase (POD), and the flavonoid content were enhanced after salt stress. Exogenous application of ABA, Methyl jasmonate (MeJA) or proanthocyanidins (PA) improved the performance of P. nutans in response to high salt stress. Furthermore, real-time PCR showed that ABA or MeJA treatment upregulated the gene expression of antioxidant and flavonoid biosynthesis-related enzymes. These results suggest that the responses of P. nutans under salt stress are involved in activating phytohormone signaling pathways which trigger two main antioxidant defense systems (i.e., antioxidant enzymes and flavonoids) for protecting cell and scavenging reactive oxygen species.
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Affiliation(s)
- Wei Zhang
- School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, Shangdong, China
| | - Shenghao Liu
- Key Laboratory of Marine Bioactive Substance, the First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China.
| | - Chengcheng Li
- National Glycoengineering Research Center, School of Life Sciences, Shandong University, Qingdao 266237, China
| | - Pengying Zhang
- National Glycoengineering Research Center, School of Life Sciences, Shandong University, Qingdao 266237, China
| | - Peiyu Zhang
- School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, Shangdong, China
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Food decisions of an omnivorous thrips are independent from the indirect effects of jasmonate-inducible plant defences on prey quality. Sci Rep 2019; 9:1727. [PMID: 30741999 PMCID: PMC6370905 DOI: 10.1038/s41598-018-38463-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 12/28/2018] [Indexed: 11/25/2022] Open
Abstract
Plant defensive substances can affect the quality of herbivores as prey for predators either directly or indirectly. Directly when the prey has become toxic since it ingested toxic plant material and indirectly when these defences have affected the size and/or nutritional value (both quality parameters) of prey or their abundance. To disentangle direct and indirect effects of JA-defences on prey quality for predators, we used larvae of the omnivorous thrips Frankliniella occidentalis because these are not directly affected by the jasmonate-(JA)-regulated defences of tomato. We offered these thrips larvae the eggs of spider mites (Tetranychus urticae or T. evansi) that had been feeding from either normal tomato plants, JA-impaired plants, or plants treated with JA to artificially boost defences and assessed their performance. Thrips development and survival was reduced on the diet of T. evansi eggs relative to the diet of T. urticae eggs yet these effects were independent from the absence/presence of JA-defences. This indicates that the detrimental effects of tomato JA-defences on herbivores not necessarily also affects their quality as prey.
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248
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Takaoka Y, Nagumo K, Azizah IN, Oura S, Iwahashi M, Kato N, Ueda M. A comprehensive in vitro fluorescence anisotropy assay system for screening ligands of the jasmonate COI1-JAZ co-receptor in plants. J Biol Chem 2019; 294:5074-5081. [PMID: 30728246 DOI: 10.1074/jbc.ra118.006639] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 02/01/2019] [Indexed: 12/25/2022] Open
Abstract
The phytohormone (+)-7-iso-jasmonoyl-l-isoleucine regulates many developmental and stress responses in plants and induces protein-protein interactions between COI1, the F-box component of E3 ubiquitin ligase, and jasmonate ZIM domain (JAZ) repressors. These interactions cause JAZ degradation and activate jasmonate (JA), leading to plant defense responses, growth inhibition, and senescence. Thirteen JAZ subtypes are encoded in the Arabidopsis thaliana genome, but a detailed understanding of the physiological functions of these JAZ subtypes remains unclear, partially because of the genetic redundancy of JAZ genes. One strategy to elucidate the complex JA signaling pathways is to develop a reliable and comprehensive binding assay system of the ligands with all combinations of the co-receptors. Herein, we report the development of a fluorescence anisotropy-based in vitro binding assay system to screen for the ligands of the COI1-JAZ co-receptors. Our assay enabled the first quantitative analysis of the affinity values and JAZ-subtype selectivity of various endogenous JA derivatives, such as coronatine, jasmonic acid, and 12-hydroxyjasmonoyl-l-isoleucine. Because of its high signal-to-noise ratio and convenient mix-and-read assay system, our screening approach can be used in plate reader-based assays of both agonists and antagonists of COI1-JAZ co-receptors.
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Affiliation(s)
- Yousuke Takaoka
- From the Department of Chemistry, Graduate School of Science and .,Precursory Research for Embryonic Science and Technology (PREST), Japan Science and Technology Agency, 5 Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan
| | - Keina Nagumo
- From the Department of Chemistry, Graduate School of Science and
| | - Ika Nurul Azizah
- From the Department of Chemistry, Graduate School of Science and
| | - Saki Oura
- From the Department of Chemistry, Graduate School of Science and
| | - Mana Iwahashi
- From the Department of Chemistry, Graduate School of Science and
| | - Nobuki Kato
- From the Department of Chemistry, Graduate School of Science and
| | - Minoru Ueda
- From the Department of Chemistry, Graduate School of Science and .,the Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, Sendai 980-8578, Japan and
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Li N, Han X, Feng D, Yuan D, Huang LJ. Signaling Crosstalk between Salicylic Acid and Ethylene/Jasmonate in Plant Defense: Do We Understand What They Are Whispering? Int J Mol Sci 2019; 20:ijms20030671. [PMID: 30720746 PMCID: PMC6387439 DOI: 10.3390/ijms20030671] [Citation(s) in RCA: 233] [Impact Index Per Article: 46.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 01/30/2019] [Accepted: 02/02/2019] [Indexed: 12/11/2022] Open
Abstract
During their lifetime, plants encounter numerous biotic and abiotic stresses with diverse modes of attack. Phytohormones, including salicylic acid (SA), ethylene (ET), jasmonate (JA), abscisic acid (ABA), auxin (AUX), brassinosteroid (BR), gibberellic acid (GA), cytokinin (CK) and the recently identified strigolactones (SLs), orchestrate effective defense responses by activating defense gene expression. Genetic analysis of the model plant Arabidopsis thaliana has advanced our understanding of the function of these hormones. The SA- and ET/JA-mediated signaling pathways were thought to be the backbone of plant immune responses against biotic invaders, whereas ABA, auxin, BR, GA, CK and SL were considered to be involved in the plant immune response through modulating the SA-ET/JA signaling pathways. In general, the SA-mediated defense response plays a central role in local and systemic-acquired resistance (SAR) against biotrophic pathogens, such as Pseudomonas syringae, which colonize between the host cells by producing nutrient-absorbing structures while keeping the host alive. The ET/JA-mediated response contributes to the defense against necrotrophic pathogens, such as Botrytis cinerea, which invade and kill hosts to extract their nutrients. Increasing evidence indicates that the SA- and ET/JA-mediated defense response pathways are mutually antagonistic.
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Affiliation(s)
- Ning Li
- State Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China.
| | - Xiao Han
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350116, China.
- Biotechnology Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, China.
| | - Dan Feng
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350116, China.
- Biotechnology Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, China.
| | - Deyi Yuan
- State Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China.
| | - Li-Jun Huang
- State Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China.
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Monte I, Franco-Zorrilla JM, García-Casado G, Zamarreño AM, García-Mina JM, Nishihama R, Kohchi T, Solano R. A Single JAZ Repressor Controls the Jasmonate Pathway in Marchantia polymorpha. MOLECULAR PLANT 2019; 12:185-198. [PMID: 30594656 DOI: 10.1016/j.molp.2018.12.017] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 12/19/2018] [Accepted: 12/19/2018] [Indexed: 05/26/2023]
Abstract
JAZ proteins are negative regulators of jasmonate responses, acting both as repressors of transcription factors and as co-receptors of JA-Ile. The high redundancy of JAZ genes in angiosperms has hindered the characterization of a complete depletion of JAZ function. Moreover, the recent discovery that dn-OPDA is the jasmonate ligand in Marchantia polymorpha demonstrates that JA-Ile is not the sole COI1/JAZ ligand in land plants and highlights the importance of studying JAZ co-receptors in bryophytes. Here, we have exploited the low gene redundancy of the liverwort M. polymorpha to characterize the single MpJAZ in this early diverging plant lineage. We clarify the phylogenetic history of the TIFY family, demonstrate that MpJAZ is the ortholog of AtJAZ with a conserved function, and characterize its repressor activity of dn-OPDA responses. Our results show that, consistent with previous findings in Arabidopsis, MpJAZ represses jasmonates biosynthesis, senescence, and plant defenses, and promotes cell growth and reproductive fitness, highlighting the power of studies in Marchantia.
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Affiliation(s)
- Isabel Monte
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CNB-CSIC), 28049 Madrid, Spain
| | - José M Franco-Zorrilla
- Genomics Unit, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CNB-CSIC), 28049 Madrid, Spain
| | - Gloria García-Casado
- Genomics Unit, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CNB-CSIC), 28049 Madrid, Spain
| | - Angel M Zamarreño
- Environmental Biology Department, University of Navarra, Navarre, Spain
| | | | - Ryuichi Nishihama
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
| | - Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
| | - Roberto Solano
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CNB-CSIC), 28049 Madrid, Spain.
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