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Yan F, Ma J, Peng M, Xi C, Chang S, Yang Y, Tian S, Zhou B, Liu T. Lactic acid induced defense responses in tobacco against Phytophthora nicotianae. Sci Rep 2024; 14:9338. [PMID: 38654120 DOI: 10.1038/s41598-024-60037-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 04/18/2024] [Indexed: 04/25/2024] Open
Abstract
Induced resistance is considered an eco-friendly disease control strategy, which can enhance plant disease resistance by inducing the plant's immune system to activate the defense response. In recent years, studies have shown that lactic acid can play a role in plant defense against biological stress; however, whether lactic acid can improve tobacco resistance to Phytophthora nicotianae, and its molecular mechanism remains unclear. In our study, the mycelial growth and sporangium production of P. nicotianae were inhibited by lactic acid in vitro in a dose-dependent manner. Application of lactic acid could reduce the disease index, and the contents of total phenol, salicylic acid (SA), jasmonic acid (JA), lignin and H2O2, catalase (CAT) and phenylalanine ammonia-lyase (PAL) activities were significantly increased. To explore this lactic acid-induced protective mechanism for tobacco disease resistance, RNA-Seq analysis was used. Lactic acid enhances tobacco disease resistance by activating Ca2+, reactive oxygen species (ROS) signal transduction, regulating antioxidant enzymes, SA, JA, abscisic acid (ABA) and indole-3-acetic acid (IAA) signaling pathways, and up-regulating flavonoid biosynthesis-related genes. This study demonstrated that lactic acid might play a role in inducing resistance to tobacco black shank disease; the mechanism by which lactic acid induces disease resistance includes direct antifungal activity and inducing the host to produce direct and primed defenses. In conclusion, this study provided a theoretical basis for lactic acid-induced resistance and a new perspective for preventing and treating tobacco black shank disease.
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Affiliation(s)
- Fan Yan
- College of Agriculture and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
- National-Local Joint Engineering Research Center On Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
| | - Junchi Ma
- College of Agriculture and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
- National-Local Joint Engineering Research Center On Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
| | - Manjiang Peng
- Tobacco Quality Inspection, Department of Raw Material, Hongyun Honghe Tobacco Group, Kunming, 650051, Yunnan, China
| | - Congfang Xi
- College of Agriculture and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Sheng Chang
- Technology Center of China Tobacco Yunnan Industrial Co., Ltd. Kunming, Yunnan, 650201, China
| | - Ying Yang
- Technology Center of China Tobacco Yunnan Industrial Co., Ltd. Kunming, Yunnan, 650201, China
| | - Suohui Tian
- No. 10 Middle School, Guangnan County, Wenshan Prefecture, Wenshan, 663300, Yunnan, China.
| | - Bo Zhou
- Technology Center of China Tobacco Yunnan Industrial Co., Ltd. Kunming, Yunnan, 650201, China.
| | - Tao Liu
- College of Agriculture and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China.
- National-Local Joint Engineering Research Center On Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Yunnan Agricultural University, Kunming, 650201, Yunnan, China.
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2
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Francesconi S, Tagliavento V, Ciarroni S, Sestili F, Balestra GM. Chitosan- and gallic acid-based (NPF) displayed antibacterial activity against three Pseudomonas spp. plant pathogens and boosted systemic acquired resistance in kiwifruit and olive plants. PEST MANAGEMENT SCIENCE 2024; 80:1300-1313. [PMID: 37903719 DOI: 10.1002/ps.7861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/16/2023] [Accepted: 10/31/2023] [Indexed: 11/01/2023]
Abstract
BACKGROUD Pseudomonas syringae pv. actinidiae (Psa), P. syringae pv. tomato (Pst) and P. savastanoi pv. savastanoi (Psav) are bacterial plant pathogens with worldwide impact that are mainly managed by the preventive application of cupric salts. These are dangerous for ecosystems and have favoured the selection of resistant strains, so they are candidates to be replaced in the next few years. Thus, there is an urgent need to find efficient and bio-based solutions to mitigate these bacterial plant diseases. Nanotechnology could represent an innovative way to control plant diseases, providing alternative solutions to the agrochemicals traditionally employed, thanks to the formulation of the so-called third-generation and nanotechnology-based agrochemicals. RESULTS In this work, a novel nanostructured formulation (NPF) composed of cellulose nanocrystals (CNC) as carrier, high amylose starch (HAS) as excipient, and chitosan (CH) and gallic acid (GA) as antimicrobials, was tested at 2% in vitro and in vivo with respect to the three different Pseudomonas plant pathogens. In vitro agar assays demonstrated that the NPF inhibited ≤80% Psa, Pst and Psav. Moreover, the NPF did not decrease biofilm synthesis and it did not influence bacterial cells flocculation and adhesion. On plants, the NPF displayed complete biocompatibility and boosted the transcript levels of the major systemic acquired resistance responsive genes in kiwifruit and olive plants. CONCLUSION This works provides novel and valuable information regarding the several modes-of-action of the novel NPF, which could potentially be useful to mitigate Psa, Pst and Psav infections even in organic agriculture. © 2023 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Sara Francesconi
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Viterbo, Italy
| | | | | | - Francesco Sestili
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Viterbo, Italy
| | - Giorgio M Balestra
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Viterbo, Italy
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Cabre L, Jing L, Makechemu M, Heluin K, El Khamlichi S, Leprince J, Kiefer-Meyer MC, Pluchon S, Mollet JC, Zipfel C, Nguema-Ona E. Additive and Specific Effects of Elicitor Treatments on the Metabolic Profile of Arabidopsis thaliana. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2024; 37:112-126. [PMID: 37903461 DOI: 10.1094/mpmi-04-23-0051-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
Abstract
Several elicitors of plant defense have been identified and numerous efforts to use them in the field have been made. Exogenous elicitor treatments mimic the in planta activation of pattern-triggered immunity (PTI), which relies on the perception of pathogen-associated molecular patterns (PAMPs) such as bacterial flg22 or fungal chitins. Early transcriptional responses to distinct PAMPs are mostly overlapping, regardless of the elicitor being used. However, it remains poorly known if the same patterns are observed for metabolites and proteins produced later during PTI. In addition, little is known about the impact of a combination of elicitors on PTI and the level of induced resistance to pathogens. Here, we monitored Arabidopsis thaliana resistance to the bacterial pathogen Pseudomonas syringae pv. tomato DC3000 (Pto DC3000) following application of flg22 and chitosan elicitors, used individually or in combination. A slight, but not statistically significant increase in induced resistance was observed when the elicitors were applied together when compared with individual treatments. We investigated the effect of these treatments on the metabolome by using an untargeted analysis. We found that the combination of flg22 and chitosan impacted a higher number of metabolites and deregulated specific metabolic pathways compared with the elicitors individually. These results contribute to a better understanding of plant responses to elicitors, which might help better rationalize their use in the field. [Formula: see text] Copyright © 2024 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
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Affiliation(s)
- Lisa Cabre
- Centre Mondial de l'Innovation-Groupe Roullier (CMI-Roullier), Laboratoire de Nutrition Végétale, Saint Malo, F-35400, France
| | - Lun Jing
- Centre Mondial de l'Innovation-Groupe Roullier (CMI-Roullier), Plateforme de Chimie et Bio-Analyse, Saint Malo, F-35400, France
| | - Moffat Makechemu
- Department of Plant and Microbial Biology, Zurich-Basel Plant Science Center, University of Zürich, CH-8008 Zürich, Switzerland
| | - Kylhan Heluin
- Université de Rouen Normandie, GLYCOMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, RMT BESTIM, GDR Chémobiologie, IRIB, F-76000 Rouen, France
| | - Sarah El Khamlichi
- Université de Rouen Normandie, GLYCOMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, RMT BESTIM, GDR Chémobiologie, IRIB, F-76000 Rouen, France
| | - Jérôme Leprince
- Université de Rouen Normandie, CNRS, INSERM, HERACLES US 51 UAR 2026, PRIMACEN, IRIB, F-76000 Rouen, France
| | - Marie Christine Kiefer-Meyer
- Université de Rouen Normandie, GLYCOMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, RMT BESTIM, GDR Chémobiologie, IRIB, F-76000 Rouen, France
| | - Sylvain Pluchon
- Centre Mondial de l'Innovation-Groupe Roullier (CMI-Roullier), Laboratoire de Nutrition Végétale, Saint Malo, F-35400, France
| | - Jean-Claude Mollet
- Université de Rouen Normandie, GLYCOMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, RMT BESTIM, GDR Chémobiologie, IRIB, F-76000 Rouen, France
| | - Cyril Zipfel
- Department of Plant and Microbial Biology, Zurich-Basel Plant Science Center, University of Zürich, CH-8008 Zürich, Switzerland
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, NR4 7UH Norwich, U.K
| | - Eric Nguema-Ona
- Centre Mondial de l'Innovation-Groupe Roullier (CMI-Roullier), Laboratoire de Nutrition Végétale, Saint Malo, F-35400, France
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Zhang C, Tetteh C, Luo S, Jin P, Hao X, Sun M, Fang N, Liu Y, Zhang H. Exogenous application of pectin triggers stomatal closure and immunity in Arabidopsis. MOLECULAR PLANT PATHOLOGY 2024; 25:e13438. [PMID: 38393695 PMCID: PMC10887356 DOI: 10.1111/mpp.13438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/05/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024]
Abstract
Pectin has been extensively studied in animal immunity, and exogenous pectin as a food additive can provide protection against inflammatory bowel disease. However, the utility of pectin to improve immunity in plants is still unstudied. Here, we found exogenous application of pectin triggered stomatal closure in Arabidopsis in a dose- and time-dependent manner. Additionally, pectin activated peroxidase and nicotinamide adenine dinucleotide phosphate (NADPH) oxidase to produce reactive oxygen species (ROS), which subsequently increased cytoplasmic Ca2+ concentration ([Ca2+ ]cyt ) and was followed by nitric oxide (NO) production, leading to stomatal closure in an abscisic acid (ABA) and salicylic acid (SA) signalling-dependent mechanism. Furthermore, pectin enhanced the disease resistance to Pseudomonas syringae pv. tomato DC3000 (Pst DC3000) with mitogen-activated protein kinases (MPKs) MPK3/6 activated and upregulated expression of defence-responsive genes in Arabidopsis. These results suggested that exogenous pectin-induced stomatal closure was associated with ROS and NO production regulated by ABA and SA signalling, contributing to defence against Pst DC3000 in Arabidopsis.
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Affiliation(s)
- Cheng Zhang
- Anhui Province Key Laboratory of Crop Integrated Pest Management, Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, Key Laboratory of Agri‐products Quality and Biosafety, Department of Plant PathologyCollege of Plant Protection, Ministry of Education, Anhui Agricultural UniversityHefeiAnhuiChina
| | - Charles Tetteh
- Anhui Province Key Laboratory of Crop Integrated Pest Management, Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, Key Laboratory of Agri‐products Quality and Biosafety, Department of Plant PathologyCollege of Plant Protection, Ministry of Education, Anhui Agricultural UniversityHefeiAnhuiChina
| | - Sheng Luo
- Anhui Province Key Laboratory of Crop Integrated Pest Management, Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, Key Laboratory of Agri‐products Quality and Biosafety, Department of Plant PathologyCollege of Plant Protection, Ministry of Education, Anhui Agricultural UniversityHefeiAnhuiChina
| | - Pinyuan Jin
- Anhui Province Key Laboratory of Crop Integrated Pest Management, Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, Key Laboratory of Agri‐products Quality and Biosafety, Department of Plant PathologyCollege of Plant Protection, Ministry of Education, Anhui Agricultural UniversityHefeiAnhuiChina
| | - Xingqian Hao
- Anhui Province Key Laboratory of Crop Integrated Pest Management, Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, Key Laboratory of Agri‐products Quality and Biosafety, Department of Plant PathologyCollege of Plant Protection, Ministry of Education, Anhui Agricultural UniversityHefeiAnhuiChina
| | - Min Sun
- Anhui Province Key Laboratory of Crop Integrated Pest Management, Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, Key Laboratory of Agri‐products Quality and Biosafety, Department of Plant PathologyCollege of Plant Protection, Ministry of Education, Anhui Agricultural UniversityHefeiAnhuiChina
| | - Nan Fang
- Anhui Province Key Laboratory of Crop Integrated Pest Management, Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, Key Laboratory of Agri‐products Quality and Biosafety, Department of Plant PathologyCollege of Plant Protection, Ministry of Education, Anhui Agricultural UniversityHefeiAnhuiChina
| | - Yingjun Liu
- Anhui Province Key Laboratory of Crop Integrated Pest Management, Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, Key Laboratory of Agri‐products Quality and Biosafety, Department of Plant PathologyCollege of Plant Protection, Ministry of Education, Anhui Agricultural UniversityHefeiAnhuiChina
| | - Huajian Zhang
- Anhui Province Key Laboratory of Crop Integrated Pest Management, Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, Key Laboratory of Agri‐products Quality and Biosafety, Department of Plant PathologyCollege of Plant Protection, Ministry of Education, Anhui Agricultural UniversityHefeiAnhuiChina
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5
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Shi JH, Sun Z, Pickett JA, Hu XJ, Wang C, Liu L, Jin H, Abdelnabby H, Foba CN, Yang XQ, Chang XQ, Wang MQ. Unprecedented oviposition tactics avoid plant defences and reduce attack by parasitic wasps. PLANT, CELL & ENVIRONMENT 2024; 47:308-318. [PMID: 37807627 DOI: 10.1111/pce.14731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/20/2023] [Accepted: 09/26/2023] [Indexed: 10/10/2023]
Abstract
Female insects oviposit in sites suitable for the development of their offspring. The Oriental armyworm, Mythimna separata is a serious pest of various crops including wheat and prefers to oviposit on withered leaves rather than on fresh plant material, which is surprisingly different from other insects. Studies here showed that this oviposition tactic enables avoidance of wheat defence against eggs and emerged larvae. Intact plants responded to M. separata egg deposition by releasing oviposition-induced plant volatiles including acetophenone, tetradecene and pentadecane after 24 h. Acetophenone was identified as quantitatively accounting for the attraction of the egg parasitoid wasp (Trichogramma chilonis). Leaf jasmonic acid levels significantly increased after M. separata laid eggs, and primed the plant against emerging larvae. In addition, newly emerged M. separata larvae adopted a fast crawling behaviour and starvation tolerance compared with other noctuid larvae, which enhanced the survival of larvae on the withered leaves. The elucidation of this complex and surprising plant-insect interaction provides the first explanation for a herbivore laying eggs on withered leaves to avoid natural enemies and live-plant defence against emerging larvae.
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Affiliation(s)
- Jin-Hua Shi
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Ze Sun
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - John A Pickett
- School of Chemistry, Cardiff University, Cardiff, Wales, UK
| | - Xin-Jun Hu
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Chao Wang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Le Liu
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Huanan Jin
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Hazem Abdelnabby
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
- Department of Plant Protection, Faculty of Agriculture, Benha University, Banha, Qalyubia, Egypt
| | - Caroline Ngichop Foba
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
- College of Agriculture, Environmental and Human Sciences, Cooperative Extension, Lincoln University, Jefferson City, Missouri, USA
| | - Xue-Qing Yang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Xiang-Qian Chang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Man-Qun Wang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
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Reglinski T, Wurms KV, Vanneste JL, Ah Chee A, Schipper M, Cornish D, Yu J, McAlinden J, Hedderley D. Kiwifruit Resistance to Sclerotinia sclerotiorum and Pseudomonas syringae pv. actinidiae and Defence Induction by Acibenzolar-S-methyl and Methyl Jasmonate Are Cultivar Dependent. Int J Mol Sci 2023; 24:15952. [PMID: 37958935 PMCID: PMC10647243 DOI: 10.3390/ijms242115952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/25/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
Pathogen susceptibility and defence gene inducibility were compared between the Actinidia arguta cultivar 'Hortgem Tahi' and the two cultivars of A. chinensis 'Hayward' and 'Zesy002'. Plants were treated with acibenzolar-s-methyl (ASM) or methyl jasmonate (MeJA) one week before inoculation with Pseudomonas syringae pv. actinidiae (Psa biovar3) or Sclerotinia sclerotiorum, or secondary induction with chitosan+glucan (Ch-Glu) as a potential pathogen proxy. Defence expression was evaluated by measuring the expression of 18 putative defence genes. 'Hortgem Tahi' was highly susceptible to sclerotinia and very resistant to Psa, whereas 'Zesy002' was highly resistant to both, and 'Hayward' was moderately susceptible to both. Gene expression in 'Hayward' and 'Zesy002' was alike but differed significantly from 'Hortgem Tahi' which had higher basal levels of PR1-i, PR5-i, JIH1, NPR3 and WRKY70 but lower expression of RD22 and PR2-i. Treatment with ASM caused upregulation of NIMIN2, PR1-i, WRKY70, DMR6 and PR5-i in all cultivars and induced resistance to Psa in 'Zesy002' and 'Hayward' but decreased resistance to sclerotinia in 'Zesy002'. MeJA application caused upregulation of LOX2 and downregulation of NIMIN2, DMR6 and PR2-i but did not affect disease susceptibility. The Ch-Glu inducer induced PR-gene families in each cultivar, highlighting its possible effectiveness as an alternative to actual pathogen inoculation. The significance of variations in fundamental and inducible gene expression among the cultivars is explored.
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Affiliation(s)
- Tony Reglinski
- Ruakura Research Centre, The New Zealand Institute for Plant and Food Research Limited, Hamilton 3214, New Zealand; (K.V.W.); (J.L.V.); (A.A.C.); (M.S.); (D.C.); (J.Y.); (J.M.)
| | - Kirstin V. Wurms
- Ruakura Research Centre, The New Zealand Institute for Plant and Food Research Limited, Hamilton 3214, New Zealand; (K.V.W.); (J.L.V.); (A.A.C.); (M.S.); (D.C.); (J.Y.); (J.M.)
| | - Joel L. Vanneste
- Ruakura Research Centre, The New Zealand Institute for Plant and Food Research Limited, Hamilton 3214, New Zealand; (K.V.W.); (J.L.V.); (A.A.C.); (M.S.); (D.C.); (J.Y.); (J.M.)
| | - Annette Ah Chee
- Ruakura Research Centre, The New Zealand Institute for Plant and Food Research Limited, Hamilton 3214, New Zealand; (K.V.W.); (J.L.V.); (A.A.C.); (M.S.); (D.C.); (J.Y.); (J.M.)
| | - Magan Schipper
- Ruakura Research Centre, The New Zealand Institute for Plant and Food Research Limited, Hamilton 3214, New Zealand; (K.V.W.); (J.L.V.); (A.A.C.); (M.S.); (D.C.); (J.Y.); (J.M.)
| | - Deirdre Cornish
- Ruakura Research Centre, The New Zealand Institute for Plant and Food Research Limited, Hamilton 3214, New Zealand; (K.V.W.); (J.L.V.); (A.A.C.); (M.S.); (D.C.); (J.Y.); (J.M.)
| | - Janet Yu
- Ruakura Research Centre, The New Zealand Institute for Plant and Food Research Limited, Hamilton 3214, New Zealand; (K.V.W.); (J.L.V.); (A.A.C.); (M.S.); (D.C.); (J.Y.); (J.M.)
| | - Jordan McAlinden
- Ruakura Research Centre, The New Zealand Institute for Plant and Food Research Limited, Hamilton 3214, New Zealand; (K.V.W.); (J.L.V.); (A.A.C.); (M.S.); (D.C.); (J.Y.); (J.M.)
| | - Duncan Hedderley
- Palmerston North Research Centre, The New Zealand Institute for Plant and Food Research Limited, Palmerston North 4410, New Zealand;
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Dong Y, Gupta S, Wargent JJ, Putterill J, Macknight RC, Gechev TS, Mueller-Roeber B, Dijkwel PP. Comparative Transcriptomics of Multi-Stress Responses in Pachycladon cheesemanii and Arabidopsis thaliana. Int J Mol Sci 2023; 24:11323. [PMID: 37511083 PMCID: PMC10379395 DOI: 10.3390/ijms241411323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/26/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
The environment is seldom optimal for plant growth and changes in abiotic and biotic signals, including temperature, water availability, radiation and pests, induce plant responses to optimise survival. The New Zealand native plant species and close relative to Arabidopsis thaliana, Pachycladon cheesemanii, grows under environmental conditions that are unsustainable for many plant species. Here, we compare the responses of both species to different stressors (low temperature, salt and UV-B radiation) to help understand how P. cheesemanii can grow in such harsh environments. The stress transcriptomes were determined and comparative transcriptome and network analyses discovered similar and unique responses within species, and between the two plant species. A number of widely studied plant stress processes were highly conserved in A. thaliana and P. cheesemanii. However, in response to cold stress, Gene Ontology terms related to glycosinolate metabolism were only enriched in P. cheesemanii. Salt stress was associated with alteration of the cuticle and proline biosynthesis in A. thaliana and P. cheesemanii, respectively. Anthocyanin production may be a more important strategy to contribute to the UV-B radiation tolerance in P. cheesemanii. These results allowed us to define broad stress response pathways in A. thaliana and P. cheesemanii and suggested that regulation of glycosinolate, proline and anthocyanin metabolism are strategies that help mitigate environmental stress.
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Affiliation(s)
- Yanni Dong
- School of Natural Sciences, Massey University, Tennent Drive, Palmerston North 4474, New Zealand
| | - Saurabh Gupta
- Department Molecular Biology, Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht-Straße 24-25, Haus 20, 14476 Potsdam, Germany
| | - Jason J Wargent
- School of Agriculture & Environment, Massey University, Palmerston North 4442, New Zealand
| | - Joanna Putterill
- School of Biological Sciences, University of Auckland, Auckland 1142, New Zealand
| | - Richard C Macknight
- Biochemistry Department, School of Biomedical Sciences, University of Otago, Dunedin 9016, New Zealand
| | - Tsanko S Gechev
- Center of Plant Systems Biology and Biotechnology (CPSBB), 139 Ruski Blvd., 4000 Plovdiv, Bulgaria
- Department of Plant Physiology and Plant Molecular Biology, University of Plovdiv, 24 Tsar Assen Str., 4000 Plovdiv, Bulgaria
| | - Bernd Mueller-Roeber
- Department Molecular Biology, Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht-Straße 24-25, Haus 20, 14476 Potsdam, Germany
- Center of Plant Systems Biology and Biotechnology (CPSBB), 139 Ruski Blvd., 4000 Plovdiv, Bulgaria
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Paul P Dijkwel
- School of Natural Sciences, Massey University, Tennent Drive, Palmerston North 4474, New Zealand
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Mechanisms and technology of marine oligosaccharides to control postharvest disease of fruits. Food Chem 2023; 404:134664. [DOI: 10.1016/j.foodchem.2022.134664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/18/2022] [Accepted: 10/15/2022] [Indexed: 11/05/2022]
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9
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DeGenring L, Dickson R, Poleatewich A. Inhibition of Botrytis cinerea Growth and Suppression of Gray Mold on Petunia Leaves Using Chitosan. PLANT DISEASE 2023; 107:840-848. [PMID: 35997673 DOI: 10.1094/pdis-07-22-1628-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Exogenous application of chitosan has been shown to reduce plant disease severity in food crops; however, less is known about the potential use of chitosan in floriculture. The objective of this study was to investigate the effectiveness of chitosan to suppress gray mold on petunia leaves caused by Botrytis cinerea using in vitro and in planta approaches. We also aimed to determine if chitosan molecular weight influences efficacy. Medium and high molecular weight reagent grade chitosan reduced growth of B. cinerea in vitro at chitosan concentrations ranging from 1.25 to 2% (v/v), while low molecular weight reagent grade chitosan only reduced growth at 2.0% (v/v). In detached leaf assays, all reagent grade chitosan treatments reduced Botrytis lesion size on petunia leaves up to 65% compared to the water control. The commercial product Tidal Grow reduced in vitro growth of Botrytis, starting at 0.5%, and reduced disease severity at 0.75% on petunia leaves. The commercial product ARMOUR-Zen 15 reduced Botrytis growth in vitro at 3.75% and higher and reduced disease severity at 0.3 and 1.0% on petunia leaves. Under greenhouse conditions, low, medium, and high molecular weight reagent grade chitosan and ARMOUR-Zen 15 at 0.4% chitosan reduced Botrytis lesion size on petunia leaves up to 60% compared to the water control. Suppression in vitro suggests that chitosan may have direct phytotoxic effects on fungal growth, however our in planta and greenhouse trials suggest that additional modes of action may also play a role in the observed suppressive effects.
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Affiliation(s)
- Liza DeGenring
- Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham, NH 03824
| | - Ryan Dickson
- Department of Horticulture, University of Arkansas, Fayetteville, AR 72701
| | - Anissa Poleatewich
- Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham, NH 03824
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10
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Liu Y, Yang H, Wen F, Bao L, Zhao Z, Zhong Z. Chitooligosaccharide-induced plant stress resistance. Carbohydr Polym 2023; 302:120344. [PMID: 36604042 DOI: 10.1016/j.carbpol.2022.120344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 10/25/2022] [Accepted: 11/10/2022] [Indexed: 11/17/2022]
Abstract
In nature, the production of plant stress resistance traits is often induced by extreme environmental conditions. Under extreme conditions, plants can be irreversibly damaged. Intervention with phytostimulants, however, can improve plant stress resistance without causing damage to the plants themselves, hence maintaining the production. For example, exogenous substances such as proteins and polysaccharides can be used effectively as phytostimulants. Chitooligosaccharide, a plant stimulant, can promote seed germination and plant growth and development, and improve plant photosynthesis. In this review, we summarize progress in the research of chitooligosaccharide-induced plant stress resistance. The mechanism and related experiments of chitooligosaccharide-induced resistance to pathogen, drought, low-temperature, saline-alkali, and other stresses are classified and discussed. In addition, we put forward the challenges confronted by chitooligosaccharide-induced plant stress resistance and the future research concept that requires multidisciplinary cooperation, which could provide data for the in-depth study of the effect of chitooligosaccharide on plants.
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Affiliation(s)
- Yao Liu
- College of Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Hehe Yang
- College of Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Fang Wen
- College of Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Liangliang Bao
- College of Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Zhihong Zhao
- College of Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Zhimei Zhong
- College of Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China; Inner Mongolia Key Laboratory of Soil Quality and Nutrient Resource, Hohhot 010018, China; Key Laboratory of Agricultural Ecological Security and Green Development at Universities of Inner Mongolia Autonomous Region, Hohhot 010018, China.
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11
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Proteomic Analysis of Proteins Related to Defense Responses in Arabidopsis Plants Transformed with the rolB Oncogene. Int J Mol Sci 2023; 24:ijms24031880. [PMID: 36768198 PMCID: PMC9915171 DOI: 10.3390/ijms24031880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 01/10/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
During Agrobacterium rhizogenes-plant interaction, the rolB gene is transferred into the plant genome and is stably inherited in the plant's offspring. Among the numerous effects of rolB on plant metabolism, including the activation of secondary metabolism, its effect on plant defense systems has not been sufficiently studied. In this work, we performed a proteomic analysis of rolB-expressing Arabidopsis thaliana plants with particular focus on defense proteins. We found a total of 77 overexpressed proteins and 64 underexpressed proteins in rolB-transformed plants using two-dimensional gel electrophoresis and MALDI mass spectrometry. In the rolB-transformed plants, we found a reduced amount of scaffold proteins RACK1A, RACK1B, and RACK1C, which are known as receptors for activated C-kinase 1. The proteomic analysis showed that rolB could suppress the plant immune system by suppressing the RNA-binding proteins GRP7, CP29B, and CP31B, which action are similar to the action of type-III bacterial effectors. At the same time, rolB plants induce the massive biosynthesis of protective proteins VSP1 and VSP2, as well as pathogenesis-related protein PR-4, which are markers of the activated jasmonate pathway. The increased contents of glutathione-S-transferases F6, F2, F10, U19, and DHAR1 and the osmotin-like defense protein OSM34 were found. The defense-associated protein PCaP1, which is required for oligogalacturonide-induced priming and immunity, was upregulated. Moreover, rolB-transformed plants showed the activation of all components of the PYK10 defense complex that is involved in the metabolism of glucosinolates. We hypothesized that various defense systems activated by rolB protect the host plant from competing phytopathogens and created an effective ecological niche for A. rhizogenes. A RolB → RACK1A signaling module was proposed that might exert most of the rolB-mediated effects on plant physiology. Our proteomics data are available via ProteomeXchange with identifier PXD037959.
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12
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Cheng SS, Ku YS, Cheung MY, Lam HM. Identification of stably expressed reference genes for expression studies in Arabidopsis thaliana using mass spectrometry-based label-free quantification. FRONTIERS IN PLANT SCIENCE 2022; 13:1001920. [PMID: 36247637 PMCID: PMC9557097 DOI: 10.3389/fpls.2022.1001920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 08/29/2022] [Indexed: 06/16/2023]
Abstract
Arabidopsis thaliana has been used regularly as a model plant in gene expression studies on transcriptional reprogramming upon pathogen infection, such as that by Pseudomonas syringae pv. tomato DC3000 (Pst DC3000), or when subjected to stress hormone treatments including jasmonic acid (JA), salicylic acid (SA), and abscisic acid (ABA). Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) has been extensively employed to quantitate these gene expression changes. However, the accuracy of the quantitation is largely dependent on the stability of the expressions of reference genes used for normalization. Recently, RNA sequencing (RNA-seq) has been widely used to mine stably expressed genes for use as references in RT-qPCR. However, the amplification step in RNA-seq creates an intrinsic bias against those genes with relatively low expression levels, and therefore does not provide an accurate quantification of all expressed genes. In this study, we employed mass spectrometry-based label-free quantification (LFQ) in proteomic analyses to identify those proteins with abundances unaffected by Pst DC3000 infection. We verified, using RT-qPCR, that the levels of their corresponding mRNAs were also unaffected by Pst DC3000 infection. Compared to commonly used reference genes for expression studies in A. thaliana upon Pst DC3000 infection, the candidate reference genes reported in this study generally have a higher expression stability. In addition, using RT-qPCR, we verified that the mRNAs of the candidate reference genes were stably expressed upon stress hormone treatments including JA, SA, and ABA. Results indicated that the candidate genes identified here had stable expressions upon these stresses and are suitable to be used as reference genes for RT-qPCR. Among the 18 candidate reference genes reported in this study, many of them had greater expression stability than the commonly used reference genes, such as ACT7, in previous studies. Here, besides proposing more appropriate reference genes for Arabidopsis expression studies, we also demonstrated the capacity of mass spectrometry-based LFQ to quantify protein abundance and the possibility to extend protein expression studies to the transcript level.
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13
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Li Y, Xue J, Wang FZ, Huang X, Gong BQ, Tao Y, Shen W, Tao K, Yao N, Xiao S, Zhou JM, Li JF. Plasma membrane-nucleo-cytoplasmic coordination of a receptor-like cytoplasmic kinase promotes EDS1-dependent plant immunity. NATURE PLANTS 2022; 8:802-816. [PMID: 35851623 DOI: 10.1038/s41477-022-01195-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 06/13/2022] [Indexed: 05/28/2023]
Abstract
Plants use cell-surface immune receptors to recognize pathogen-specific patterns to evoke basal immunity. ENHANCED DISEASE SUSCEPTIBILITY (EDS1) is known to be crucial for plant basal immunity, whereas its activation mechanism by pattern recognition remains enigmatic. Here, we show that the fungal pattern chitin induced the plasma membrane-anchored receptor-like cytoplasmic kinase PBS1-LIKE 19 (PBL19) to undergo nuclear translocation in Arabidopsis. The palmitoylation-deficient PBL19C3A variant constantly resided in the nucleus, triggering transcriptional self-amplification mainly through WRKY8 and EDS1-dependent constitutive immunity. Unexpectedly, the metacaspase-cleaved PBL19 lacking the N-terminal nuclear localization sequence specifically interacted with and phosphorylated EDS1 in the cytoplasm. Phosphodeficient EDS1 attenuated PBL19C3A-induced constitutive immunity, while phosphomimetic EDS1 complemented the loss of PBL19 for fungal resistance. Collectively, these findings reveal a compelling model wherein the plasma membrane, nuclear and cytoplasmic pools of PBL19 temporally coordinate distinct roles of immune signal receiver, amplifier and effector to boost plant antifungal immunity via EDS1.
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Affiliation(s)
- Yujia Li
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Jiao Xue
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Feng-Zhu Wang
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Xiangjuan Huang
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Ben-Qiang Gong
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yuheng Tao
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Wenzhong Shen
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Kehan Tao
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Nan Yao
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Shi Xiao
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Jian-Min Zhou
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Beijing, China
- CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, China
| | - Jian-Feng Li
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China.
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Activation of plant immunity by exposure to dinitrogen pentoxide gas generated from air using plasma technology. PLoS One 2022; 17:e0269863. [PMID: 35749435 PMCID: PMC9231731 DOI: 10.1371/journal.pone.0269863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 05/27/2022] [Indexed: 11/29/2022] Open
Abstract
Reactive nitrogen species (RNS) play an important role in plant immunity as signaling factors. We previously developed a plasma technology to partially convert air molecules into dinitrogen pentoxide (N2O5), an RNS whose physiological action is poorly understood. To reveal the function of N2O5 gas in plant immunity, Arabidopsis thaliana was exposed to plasma-generated N2O5 gas once (20 s) per day for 3 days, and inoculated with Botrytis cinerea, Pseudomonas syringae pv. tomato DC3000 (Pst), or cucumber mosaic virus strain yellow (CMV(Y)) at 24 h after the final N2O5 gas exposure. Lesion size with B. cinerea infection was significantly (P < 0.05) reduced by exposure to N2O5 gas. Propagation of CMV(Y) was suppressed in plants exposed to N2O5 gas compared with plants exposed to the air control. However, proliferation of Pst in the N2O5-gas-exposed plants was almost the same as in the air control plants. These results suggested that N2O5 gas exposure could control plant disease depending on the type of pathogen. Furthermore, changes in gene expression at 24 h after the final N2O5 gas exposure were analyzed by RNA-Seq. Based on the gene ontology analysis, jasmonic acid and ethylene signaling pathways were activated by exposure of Arabidopsis plants to N2O5 gas. A time course experiment with qRT-PCR revealed that the mRNA expression of the transcription factor genes, WRKY25, WRKY26, WRKY33, and genes for tryptophan metabolic enzymes, CYP71A12, CYP71A13, PEN2, and PAD3, was transiently induced by exposure to N2O5 gas once for 20 s peaking at 1–3 h post-exposure. However, the expression of PDF1.2 was enhanced beginning from 6 h after exposure and its high expression was maintained until 24–48 h later. Thus, enhanced tryptophan metabolism leading to the synthesis of antimicrobial substances such as camalexin and antimicrobial peptides might have contributed to the N2O5-gas-induced disease resistance.
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15
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Chen MM, Yang SR, Wang J, Fang YL, Peng YL, Fan J. Fungal oxysterol-binding protein-related proteins promote pathogen virulence and activate plant immunity. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:2125-2141. [PMID: 34864987 DOI: 10.1093/jxb/erab530] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 12/02/2021] [Indexed: 06/13/2023]
Abstract
Oxysterol-binding protein-related proteins (ORPs) are a conserved class of lipid transfer proteins that are closely involved in multiple cellular processes in eukaryotes, but their roles in plant-pathogen interactions are mostly unknown. We show that transient expression of ORPs of Magnaporthe oryzae (MoORPs) in Nicotiana benthamina plants triggered oxidative bursts and cell death; treatment of tobacco Bright Yellow-2 suspension cells with recombinant MoORPs elicited the production of reactive oxygen species. Despite ORPs being normally described as intracellular proteins, we detected MoORPs in fungal culture filtrates and intercellular fluids from barley plants infected with the fungus. More importantly, infiltration of Arabidopsis plants with recombinant Arabidopsis or fungal ORPs activated oxidative bursts, callose deposition, and PR1 gene expression, and enhanced plant disease resistance, implying that ORPs may function as endogenous and exogenous danger signals triggering plant innate immunity. Extracellular application of fungal ORPs exerted an opposite impact on salicylic acid and jasmonic acid/ethylene signaling pathways. Brassinosteroid Insensitive 1-associated Kinase 1 was dispensable for the ORP-activated defense. Besides, simultaneous knockout of MoORP1 and MoORP3 abolished fungal colony radial growth and conidiation, whereas double knockout of MoORP1 and MoORP2 compromised fungal virulence on barley and rice plants. These observations collectively highlight the multifaceted role of MoORPs in the modulation of plant innate immunity and promotion of fungal development and virulence in M. oryzae.
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Affiliation(s)
- Meng-Meng Chen
- Department of Plant Pathology, MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
| | - Si-Ru Yang
- Department of Plant Pathology, MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
| | - Jian Wang
- Department of Plant Pathology, MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
| | - Ya-Li Fang
- Department of Plant Pathology, MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
| | - You-Liang Peng
- Department of Plant Pathology, MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
- State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Jun Fan
- Department of Plant Pathology, MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
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16
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Yan C, Zhang N, Wang Q, Fu Y, Zhao H, Wang J, Wu G, Wang F, Li X, Liao H. Full-length transcriptome sequencing reveals the molecular mechanism of potato seedlings responding to low-temperature. BMC PLANT BIOLOGY 2022; 22:125. [PMID: 35300606 PMCID: PMC8932150 DOI: 10.1186/s12870-022-03461-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 02/09/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Potato (Solanum tuberosum L.) is one of the world's most important crops, the cultivated potato is frost-sensitive, and low-temperature severely influences potato production. However, the mechanism by which potato responds to low-temperature stress is unclear. In this research, we apply a combination of second-generation sequencing and third-generation sequencing technologies to sequence full-length transcriptomes in low-temperature-sensitive cultivars to identify the important genes and main pathways related to low-temperature resistance. RESULTS In this study, we obtained 41,016 high-quality transcripts, which included 15,189 putative new transcripts. Amongst them, we identified 11,665 open reading frames, 6085 simple sequence repeats out of the potato dataset. We used public available genomic contigs to analyze the gene features, simple sequence repeat, and alternative splicing event of 24,658 non-redundant transcript sequences, predicted the coding sequence and identified the alternative polyadenylation. We performed cluster analysis, GO, and KEGG functional analysis of 4518 genes that were differentially expressed between the different low-temperature treatments. We examined 36 transcription factor families and identified 542 transcription factors in the differentially expressed genes, and 64 transcription factors were found in the AP2 transcription factor family which was the most. We measured the malondialdehyde, soluble sugar, and proline contents and the expression genes changed associated with low temperature resistance in the low-temperature treated leaves. We also tentatively speculate that StLPIN10369.5 and StCDPK16 may play a central coordinating role in the response of potatoes to low temperature stress. CONCLUSIONS Overall, this study provided the first large-scale full-length transcriptome sequencing of potato and will facilitate structure-function genetic and comparative genomics studies of this important crop.
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Affiliation(s)
- Chongchong Yan
- Anhui Academy of Agricultural Sciences, Hefei, 230031, Anhui, China.
| | - Nan Zhang
- Anhui Vocational College of City Management, Hefei, 231635, Anhui, China
| | - Qianqian Wang
- Anhui Academy of Agricultural Sciences, Hefei, 230031, Anhui, China
| | - Yuying Fu
- Anhui Academy of Agricultural Sciences, Hefei, 230031, Anhui, China
| | - Hongyuan Zhao
- Anhui Academy of Agricultural Sciences, Hefei, 230031, Anhui, China
| | - Jiajia Wang
- Anhui Academy of Agricultural Sciences, Hefei, 230031, Anhui, China
| | - Gang Wu
- Anhui Academy of Agricultural Sciences, Hefei, 230031, Anhui, China
| | - Feng Wang
- Jieshou County Agricultural Technology Promotion Center, Jieshou, 236500, Anhui, China
| | - Xueyan Li
- Funan County Agricultural Technology Promotion Center, Funan, 236300, Anhui, China
| | - Huajun Liao
- Anhui Academy of Agricultural Sciences, Hefei, 230031, Anhui, China.
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Landi L, Peralta-Ruiz Y, Chaves-López C, Romanazzi G. Chitosan Coating Enriched With Ruta graveolens L. Essential Oil Reduces Postharvest Anthracnose of Papaya ( Carica papaya L.) and Modulates Defense-Related Gene Expression. FRONTIERS IN PLANT SCIENCE 2021; 12:765806. [PMID: 34858463 PMCID: PMC8632526 DOI: 10.3389/fpls.2021.765806] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 10/05/2021] [Indexed: 06/13/2023]
Abstract
Anthracnose of papaya (Carica papaya L.) caused by the fungus Colletotrichum spp. is one of the most economically important postharvest diseases. Coating with chitosan (CS) and Ruta graveolens essential oil (REO) might represent a novel eco-friendly method to prevent postharvest anthracnose infection. These compounds show both antimicrobial and eliciting activities, although the molecular mechanisms in papaya have not been investigated to date. In this study, the effectiveness of CS and REO alone and combined (CS-REO) on postharvest anthracnose of papaya fruit during storage were investigated, along with the expression of selected genes involved in plant defense mechanisms. Anthracnose incidence was reduced with CS, REO, and CS-REO emulsions after 9 days storage at 25°C, by 8, 21, and 37%, respectively, with disease severity reduced by 22, 29, and 44%, respectively. Thus, McKinney's decay index was reduced by 22, 30, and 44%, respectively. A protocol based on reverse transcription quantitative real-time PCR (RT-qPCR) was validated for 17 papaya target genes linked to signaling pathways that regulate plant defense, pathogenesis-related protein, cell wall-degrading enzymes, oxidative stress, abiotic stress, and the phenylpropanoid pathway. CS induced gene upregulation mainly at 6 h posttreatment (hpt) and 48 hpt, while REO induced the highest upregulation at 0.5 hpt, which then decreased over time. Furthermore, CS-REO treatment delayed gene upregulation by REO alone, from 0.5 to 6 hpt, and kept that longer over time. This study suggests that CS stabilizes the volatile and/or hydrophobic substances of highly reactive essential oils. The additive effects of CS and REO were able to reduce postharvest decay and affect gene expression in papaya fruit.
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Affiliation(s)
- Lucia Landi
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, Ancona, Italy
| | - Yeimmy Peralta-Ruiz
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
- Facultad de Ingeniería, Programa de Ingeniería Agroindustrial, Universidad del Atlántico, Puerto Colombia, Colombia
| | - Clemencia Chaves-López
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Gianfranco Romanazzi
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, Ancona, Italy
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18
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Sun H, Zhang H, Xu Z, Wang Y, Liu X, Li Y, Tian B, Sun G, Zhang H. TMT-based quantitative proteomic analysis of the effects of Pseudomonas syringae pv. tabaci (Pst) infection on photosynthetic function and the response of the MAPK signaling pathway in tobacco leaves. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 166:657-667. [PMID: 34214776 DOI: 10.1016/j.plaphy.2021.06.049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/23/2021] [Accepted: 06/24/2021] [Indexed: 06/13/2023]
Abstract
To reveal the mechanism of photosynthesis inhibition by infection and the response of the MAPK signaling pathway to pathogen infection, tobacco leaves were inoculated with Pseudomonas syringae pv. tabaci (Pst), and the effects of Pst infection on photosynthesis of tobacco leaves were studied by physiological and proteomic techniques, with a focus on MAPK signaling pathway related proteins. Pst infection was observed to lead to the degradation of chlorophyll (especially Chl b) in tobacco leaves and the down-regulation of light harvesting antenna proteins expression, thus limiting the light harvesting ability. The photosystem II and I (PSII and PSI) activities were also decreased, and Pst infection inhibited the utilization of light and CO2. Proteomic analyses showed that the number of differentially expressed proteins (DEPs) under Pst infection at 3 d were significantly higher than at 1 d, especially the number of down-regulated proteins. The KEGG enrichment of DEPs was mainly enriched in the energy metabolism processes such as photosynthesis antenna proteins and photosynthesis. The down-regulation of chlorophyll a-b binding protein, photosynthetic electron transport related proteins (e.g., PSII and PSI core proteins, the Cytb6/f complex, PC, Fd, FNR), ATP synthase subunits, and key enzymes in the Calvin cycle were the key changes associated with Pst infection that may inhibit tobacco photosynthesis. The effect of Pst infection on the PSII electron acceptor side was significantly greater than that on the PSII donor side. The main factor that decreased the photosynthetic ability of tobacco leaves with Pst infection at 1 d may be the inhibition of photochemical reactions leading to an insufficient supply of ATP, rather than decreased expression of enzymes involved in the Calvin cycle. At 1 d into Pst infection, the PSII regulated energy dissipation yield Y(NPQ) may play a role in preventing photosynthetic inhibition in tobacco leaves, but the long-term Pst infection significantly inhibited Y(NPQ) and the expression of PsbS proteins. Proteins involved in the MAPK signaling pathway were up-regulated, suggesting the MAPK signaling pathway was activated to respond to Pst infection. However, at the late stage of Pst infection (at 3 d), MAPK signaling pathway proteins were degraded, and the defense function of the MAPK signaling pathway in tobacco leaves was damaged.
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Affiliation(s)
- Hongwei Sun
- Mudanjiang Tobacco Science Research Institute, Mudanjiang, Heilongjiang, China
| | - Hongbo Zhang
- College of Life Sciences, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Zisong Xu
- College of Resources and Environment, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Yue Wang
- College of Life Sciences, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Xiaoqian Liu
- College of Resources and Environment, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Yuanyuan Li
- College of Life Sciences, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Bei Tian
- College of Life Sciences, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Guangyu Sun
- College of Life Sciences, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Huihui Zhang
- College of Life Sciences, Northeast Forestry University, Harbin, Heilongjiang, China.
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Wang Y, Li D, Liu M, Xia C, Fan Q, Li X, Lan Z, Shi G, Dong W, Li Z, Cui Z. Preparation of Active Chitooligosaccharides with a Novel Chitosanase AqCoA and Their Application in Fungal Disease Protection. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:3351-3361. [PMID: 33688732 DOI: 10.1021/acs.jafc.0c07802] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Enzymes that degrade fungal cell walls and the resulting oligosaccharides are promising weapons to combat plant fungal disease. In this study, we identified a novel endo-chitosanase, AqCoA, from Aquabacterium sp. A7-Y. The enzyme showed a specific activity of 18 U/mg toward 95% deacetylated chitosan at pH 5.0 and 40 °C. AqCoA also showed activity toward sodium carboxymethylcellulose, indicating substrate promiscuity. AqCoA hydrolyzed chitosan into chitooligosaccharides (CoA-COSs) with degrees of polymerization (DPs) of 3-5 but showed no activity toward CoA-COSs with DPs <6, indicating an endo-type activity. At 2.5 μg/mL, AqCoA inhibited appressorium formation of Magnaporthe oryzae; the produced CoA-COSs also inhibited the growth of M. oryzae and Fusarium oxysporum. Furthermore, CoA-COSs acted as immune elicitors in rice by inducing the reactive oxygen species burst and the expression of defense genes. These results demonstrated that AqCoA and its resulting CoA-COSs might be effective tools for protecting plants against pathogenic fungi.
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Affiliation(s)
- Yanxin Wang
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs, College of Life Sciences of Nanjing Agricultural University, 210095 Nanjing, P. R. China
| | - Ding Li
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, 210014 Nanjing, P. R. China
| | - Muxing Liu
- The Key Laboratory of Monitoring and Management of Plant Diseases and Insects of Chinese Ministry of Agriculture, College of Plant Protection, Nanjing Agriculture University, 210095 Nanjing, P. R. China
| | - Chengyao Xia
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs, College of Life Sciences of Nanjing Agricultural University, 210095 Nanjing, P. R. China
| | - Qiwen Fan
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs, College of Life Sciences of Nanjing Agricultural University, 210095 Nanjing, P. R. China
| | - Xu Li
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs, College of Life Sciences of Nanjing Agricultural University, 210095 Nanjing, P. R. China
| | - Zejun Lan
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs, College of Life Sciences of Nanjing Agricultural University, 210095 Nanjing, P. R. China
| | - Guolong Shi
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs, College of Life Sciences of Nanjing Agricultural University, 210095 Nanjing, P. R. China
| | - Weiliang Dong
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 211800 Nanjing, P. R. China
| | - Zhoukun Li
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs, College of Life Sciences of Nanjing Agricultural University, 210095 Nanjing, P. R. China
| | - Zhongli Cui
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs, College of Life Sciences of Nanjing Agricultural University, 210095 Nanjing, P. R. China
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Valsamakis G, Bittner N, Fatouros NE, Kunze R, Hilker M, Lortzing V. Priming by Timing: Arabidopsis thaliana Adjusts Its Priming Response to Lepidoptera Eggs to the Time of Larval Hatching. FRONTIERS IN PLANT SCIENCE 2020; 11:619589. [PMID: 33362842 PMCID: PMC7755604 DOI: 10.3389/fpls.2020.619589] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 11/18/2020] [Indexed: 05/20/2023]
Abstract
Plants can respond to eggs laid by herbivorous insects on their leaves by preparing (priming) their defense against the hatching larvae. Egg-mediated priming of defense is known for several plant species, including Brassicaceae. However, it is unknown yet for how long the eggs need to remain on a plant until a primed defense state is reached, which is ecologically manifested by reduced performance of the hatching larvae. To address this question, we used Arabidopsis thaliana, which carried eggs of the butterfly Pieris brassicae for 1-6 days prior to exposure to larval feeding. Our results show that larvae gained less biomass the longer the eggs had previously been on the plant. The strongest priming effect was obtained when eggs had been on the plant for 5 or 6 days, i.e., for (almost) the entire development time of the Pieris embryo inside the egg until larval hatching. Transcript levels of priming-responsive genes, levels of jasmonic acid-isoleucine (JA-Ile), and of the egg-inducible phytoalexin camalexin increased with the egg exposure time. Larval performance studies on mutant plants revealed that camalexin is dispensable for anti-herbivore defense against P. brassicae larvae, whereas JA-Ile - in concert with egg-induced salicylic acid (SA) - seems to be important for signaling egg-mediated primed defense. Thus, A. thaliana adjusts the kinetics of its egg-primed response to the time point of larval hatching. Hence, the plant is optimally prepared just in time prior to larval hatching.
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Affiliation(s)
- Georgios Valsamakis
- Applied Zoology/Animal Ecology, Institute of Biology, Freie Universität Berlin, Berlin, Germany
| | - Norbert Bittner
- Applied Genetics, Institute of Biology, Freie Universität Berlin, Berlin, Germany
| | - Nina E. Fatouros
- Biosystematics Group, Wageningen University, Wageningen, Netherlands
| | - Reinhard Kunze
- Applied Genetics, Institute of Biology, Freie Universität Berlin, Berlin, Germany
| | - Monika Hilker
- Applied Zoology/Animal Ecology, Institute of Biology, Freie Universität Berlin, Berlin, Germany
| | - Vivien Lortzing
- Applied Zoology/Animal Ecology, Institute of Biology, Freie Universität Berlin, Berlin, Germany
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21
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Oligogalacturonides induce resistance in Arabidopsis thaliana by triggering salicylic acid and jasmonic acid pathways against Pst DC3000. Int J Biol Macromol 2020; 164:4054-4064. [PMID: 32910959 DOI: 10.1016/j.ijbiomac.2020.09.026] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 08/23/2020] [Accepted: 09/03/2020] [Indexed: 11/22/2022]
Abstract
Oligogalacturonides (OGAs) are a biologically active carbohydrate derived from homogalacturonan, a major element of cell wall pectin. OGAs induced resistance and mechanism were assessed in Arabidopsis thaliana-Pseudomonas syringae pv. tomato DC3000 (Pst DC3000) interaction. The effective resistance was mainly observed at 25 mg/L OGAs with reduced disease index, bacterial multiplication, higher transcript level of salicylic acid (SA) pathway related genes (PR1, PR2, PR5) and jasmonic acid (JA) pathway related genes (PDF1.2, VSP2) as well as SA, JA content and production of reactive oxygen species (ROS), nitric oxide (NO). In SA (NahG, sid2) and JA (jar1) deficient mutants, disease severity indicated that both SA and JA pathways are necessary for Arabidopsis response to Pst DC3000. OGAs triggered less resistance to Pst DC3000 in JA-deficient mutant, and SA-deficient mutants signifying that SA and JA play redundant roles in OGAs induced resistance. Therefore, these evidences further reveal the signaling pathways of OGAs resistance, which is conducive to its application in agriculture to protect plants from diseases.
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22
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Rajestary R, Landi L, Romanazzi G. Chitosan and postharvest decay of fresh fruit: Meta‐analysis of disease control and antimicrobial and eliciting activities. Compr Rev Food Sci Food Saf 2020; 20:563-582. [DOI: 10.1111/1541-4337.12672] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 10/09/2020] [Accepted: 10/12/2020] [Indexed: 11/29/2022]
Affiliation(s)
- Razieh Rajestary
- Department of Agricultural, Food and Environmental Sciences Marche Polytechnic University Via Brecce Bianche 10 Ancona Italy
| | - Lucia Landi
- Department of Agricultural, Food and Environmental Sciences Marche Polytechnic University Via Brecce Bianche 10 Ancona Italy
| | - Gianfranco Romanazzi
- Department of Agricultural, Food and Environmental Sciences Marche Polytechnic University Via Brecce Bianche 10 Ancona Italy
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23
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Niu L, Liu L, Wang W. Digging for Stress-Responsive Cell Wall Proteins for Developing Stress-Resistant Maize. FRONTIERS IN PLANT SCIENCE 2020; 11:576385. [PMID: 33101346 PMCID: PMC7546335 DOI: 10.3389/fpls.2020.576385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 09/07/2020] [Indexed: 06/09/2023]
Abstract
As a vital component of plant cell walls, proteins play important roles in stress response by modifying the structure of cell walls and involving in the wall integrity signaling pathway. Recently, we have critically reviewed the predictors, databases, and cross-referencing of the subcellular locations of possible cell wall proteins (CWPs) in plants (Briefings in Bioinformatics 2018;19:1130-1140). Here, we briefly introduce strategies for isolating CWPs during proteomic analysis. Taking maize (Zea mays) as an example, we retrieved 1873 probable maize CWPs recorded in the UniProt KnowledgeBase (UniProtKB). After curation, 863 maize CWPs were identified and classified into 59 kinds of protein families. By referring to gene ontology (GO) annotations and gene differential expression in the Expression Atlas, we have highlighted the potential of CWPs acting in the front line of defense against biotic and abiotic stresses. Moreover, the analysis results of cis-acting elements revealed the responsiveness of the genes encoding CWPs toward phytohormones and various stresses. We suggest that the stress-responsive CWPs could be promising candidates for applications in developing varieties of stress-resistant maize.
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Oligosaccharide is a promising natural preservative for improving postharvest preservation of fruit: A review. Food Chem 2020; 341:128178. [PMID: 33022576 DOI: 10.1016/j.foodchem.2020.128178] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 09/21/2020] [Accepted: 09/21/2020] [Indexed: 12/27/2022]
Abstract
Lack of proper postharvest management of fruits causes huge economic loss, increase poverty, hunger and malnutrition. To reduce postharvest losses, globally different postharvest technologies and synthetic chemical treatments were widely used, but some of them are reported to enhance the risk for human health and environment. Recently, oligosaccharides have attractedmuch attention because of their numerous health benefits, and potential applications in agriculture. Many previous reports demonstrated that oligosaccharides treatment improves the postharvest preservation of fruits and extend the shelf life. Oligosaccharides postharvest treatments maintained higher non enzymatic antioxidant activity, increased antioxidant activity, regulate hormone biosynthesis and delayed cell wall degradation. In this review, we systematically summarize and discuss the recent research findings concerning the preservation effects of different oligosaccharides, and their mechanism underlying delaying ripening and senescence of fruits during postharvest storage. Moreover, we provide future research direction for the utilization of oligosaccharides to improve postharvest preservation of fruits.
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25
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Ye W, Munemasa S, Shinya T, Wu W, Ma T, Lu J, Kinoshita T, Kaku H, Shibuya N, Murata Y. Stomatal immunity against fungal invasion comprises not only chitin-induced stomatal closure but also chitosan-induced guard cell death. Proc Natl Acad Sci U S A 2020; 117:20932-20942. [PMID: 32778594 PMCID: PMC7456093 DOI: 10.1073/pnas.1922319117] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Many pathogenic fungi exploit stomata as invasion routes, causing destructive diseases of major cereal crops. Intensive interaction is expected to occur between guard cells and fungi. In the present study, we took advantage of well-conserved molecules derived from the fungal cell wall, chitin oligosaccharide (CTOS), and chitosan oligosaccharide (CSOS) to study how guard cells respond to fungal invasion. In Arabidopsis, CTOS induced stomatal closure through a signaling mediated by its receptor CERK1, Ca2+, and a major S-type anion channel, SLAC1. CSOS, which is converted from CTOS by chitin deacetylases from invading fungi, did not induce stomatal closure, suggesting that this conversion is a fungal strategy to evade stomatal closure. At higher concentrations, CSOS but not CTOS induced guard cell death in a manner dependent on Ca2+ but not CERK1. These results suggest that stomatal immunity against fungal invasion comprises not only CTOS-induced stomatal closure but also CSOS-induced guard cell death.
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Affiliation(s)
- Wenxiu Ye
- School of Agriculture and Biology, Shanghai Jiao Tong University, Minhang, 200240 Shanghai, China;
- Graduate School of Environmental and Life Science, Okayama University, Tsushima-Naka, 700-8530 Okayama, Japan
- Institute of Transformative Bio-Molecules, Nagoya University, Chikusa, 464-8602 Nagoya, Japan
| | - Shintaro Munemasa
- Graduate School of Environmental and Life Science, Okayama University, Tsushima-Naka, 700-8530 Okayama, Japan
| | - Tomonori Shinya
- Institute of Plant Science and Resources, Okayama University, Kurashiki, 710-0046 Okayama, Japan
| | - Wei Wu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Minhang, 200240 Shanghai, China
| | - Tao Ma
- School of Agriculture and Biology, Shanghai Jiao Tong University, Minhang, 200240 Shanghai, China
| | - Jiang Lu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Minhang, 200240 Shanghai, China
| | - Toshinori Kinoshita
- Institute of Transformative Bio-Molecules, Nagoya University, Chikusa, 464-8602 Nagoya, Japan
- Graduate School of Science, Nagoya University, Chikusa, 464-8602 Nagoya, Japan
| | - Hanae Kaku
- Department of Life Sciences, School of Agriculture, Meiji University, Kawasaki, 214-8571 Kanagawa, Japan
| | - Naoto Shibuya
- Department of Life Sciences, School of Agriculture, Meiji University, Kawasaki, 214-8571 Kanagawa, Japan
| | - Yoshiyuki Murata
- Graduate School of Environmental and Life Science, Okayama University, Tsushima-Naka, 700-8530 Okayama, Japan;
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26
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Jia X, Zeng H, Bose SK, Wang W, Yin H. Chitosan oligosaccharide induces resistance to Pst DC3000 in Arabidopsis via a non-canonical N-glycosylation regulation pattern. Carbohydr Polym 2020; 250:116939. [PMID: 33049851 DOI: 10.1016/j.carbpol.2020.116939] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 12/20/2022]
Abstract
Roles of protein N-glycosylation in chitosan oligosaccharide (COS) induced resistance were investigated in the present study. Results demonstrated that N-glycosylation deficient Arabidopsis mutants (stt3a and ManI) were more susceptible against Pseudomonas syringae pv. tomato DC3000 (Pst DC3000) than wild type (WT) plants. Surprisingly, in stt3a and ManI, COS-induced resistance to Pst DC3000 was mostly intact, and the up-regulation effect on SA- and JA-mediated signalling pathways also similar like WT. Nucleotide sugars accumulation and N-glycosylation related genes expression were differently regulated after COS treatment. Global glycomics analysis quantified 157 N-glycan isomers, and 56.7, 50.3 and 47.1 % of them were significantly changed in COS, mock + Pst, and COS + Pst treated plants, respectively. Moreover, COS pretreatment could reverse the effect of Pst DC3000 on many N-glycans, suggesting that COS regulates protein N-glycosylation via a non-canonical pattern compared with plant defense, which may contribute to its obvious disease control effect when N-glycosylation impairment occurs.
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Affiliation(s)
- Xiaochen Jia
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Haihong Zeng
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Santosh Kumar Bose
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Wenxia Wang
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Heng Yin
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
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Baldassarre F, Tatulli G, Vergaro V, Mariano S, Scala V, Nobile C, Pucci N, Dini L, Loreti S, Ciccarella G. Sonication-Assisted Production of Fosetyl-Al Nanocrystals: Investigation of Human Toxicity and In Vitro Antibacterial Efficacy against Xylella Fastidiosa. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1174. [PMID: 32560195 PMCID: PMC7353234 DOI: 10.3390/nano10061174] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/12/2020] [Accepted: 06/12/2020] [Indexed: 12/27/2022]
Abstract
Recently, there is a growing demand in sustainable phytopathogens control research. Nanotechnology provides several tools such as new pesticides formulations, antibacterial nanomaterials and smart delivery systems. Metal nano-oxides and different biopolymers have been exploited in order to develop nanopesticides which can offer a targeted solution minimizing side effects on environment and human health. This work proposed a nanotechnological approach to obtain a new formulation of systemic fungicide fosetyl-Al employing ultrasonication assisted production of water dispersible nanocrystals. Moreover, chitosan was applicated as a coating agent aiming a synergistic antimicrobial effect between biopolymer and fungicide. Fosetyl-Al nanocrystals have been characterized by morphological and physical-chemical analysis. Nanotoxicological investigation was carried out on human keratinocytes cells through cells viability test and ultrastructural analysis. In vitro planktonic growth, biofilm production and agar dilution assays have been conducted on two Xylella fastidiosa subspecies. Fosetyl-Al nanocrystals resulted very stable over time and less toxic respect to conventional formulation. Finally, chitosan-based fosetyl-Al nanocrystals showed an interesting antibacterial activity against Xylella fastidiosa subsp. pauca and Xylella fastidiosa subsp. fastidiosa.
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Affiliation(s)
- Francesca Baldassarre
- Biological and Environmental Sciences Department, UdR INSTM of Lecce University of Salento, Via Monteroni, 73100 Lecce, Italy;
- Institute of Nanotechnology, CNR NANOTEC, Consiglio Nazionale delle Ricerche, Via Monteroni, 73100 Lecce, Italy; (C.N.); (L.D.)
| | - Giuseppe Tatulli
- Council for Agricultural Research and Economics, Research Centre for Plant Protection and Certification of Rome, 00156 Rome, Italy; (G.T.); (V.S.); (N.P.); (S.L.)
| | - Viviana Vergaro
- Biological and Environmental Sciences Department, UdR INSTM of Lecce University of Salento, Via Monteroni, 73100 Lecce, Italy;
- Institute of Nanotechnology, CNR NANOTEC, Consiglio Nazionale delle Ricerche, Via Monteroni, 73100 Lecce, Italy; (C.N.); (L.D.)
| | - Stefania Mariano
- Biological and Environmental Sciences Department, University of Salento, Via Monteroni, 73100 Lecce, Italy;
| | - Valeria Scala
- Council for Agricultural Research and Economics, Research Centre for Plant Protection and Certification of Rome, 00156 Rome, Italy; (G.T.); (V.S.); (N.P.); (S.L.)
| | - Concetta Nobile
- Institute of Nanotechnology, CNR NANOTEC, Consiglio Nazionale delle Ricerche, Via Monteroni, 73100 Lecce, Italy; (C.N.); (L.D.)
| | - Nicoletta Pucci
- Council for Agricultural Research and Economics, Research Centre for Plant Protection and Certification of Rome, 00156 Rome, Italy; (G.T.); (V.S.); (N.P.); (S.L.)
| | - Luciana Dini
- Institute of Nanotechnology, CNR NANOTEC, Consiglio Nazionale delle Ricerche, Via Monteroni, 73100 Lecce, Italy; (C.N.); (L.D.)
- Department of Biology and Biotechnology “Charles Darwin”, University of Rome “La Sapienza”, Piazzale Aldo Moro 5, 00185 Roma, Italy
| | - Stefania Loreti
- Council for Agricultural Research and Economics, Research Centre for Plant Protection and Certification of Rome, 00156 Rome, Italy; (G.T.); (V.S.); (N.P.); (S.L.)
| | - Giuseppe Ciccarella
- Biological and Environmental Sciences Department, UdR INSTM of Lecce University of Salento, Via Monteroni, 73100 Lecce, Italy;
- Institute of Nanotechnology, CNR NANOTEC, Consiglio Nazionale delle Ricerche, Via Monteroni, 73100 Lecce, Italy; (C.N.); (L.D.)
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28
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Li T, Zhang Y, Xu M, Liu Y, Zhang C, Zhang Y, Peng X, Li Z, Qin S, Xing K. Novel antifungal mechanism of oligochitosan by triggering apoptosis through a metacaspase-dependent mitochondrial pathway in Ceratocystis fimbriata. Carbohydr Polym 2020; 245:116574. [PMID: 32718651 DOI: 10.1016/j.carbpol.2020.116574] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 06/02/2020] [Accepted: 06/03/2020] [Indexed: 12/16/2022]
Abstract
The antifungal effects of oligochitosan (OCS) against Ceratocystis fimbriata that causes black rot disease in sweet potato and its apoptosis mechanism were evaluated. OCS restrained the mycelial growth and spores germination of C. fimbriata, and decreased the ergosterol content of cell membrane. Transmission electron microscopy observation and flow cytometry analysis revealed that OCS induced morphology changes with smaller size and increased granularity of C. fimbriata, which was the typical feature of apoptosis. To clarify the apoptosis mechanism induced by OCS, a series of apoptosis-related parameters were analyzed. Results showed that OCS induced reactive oxygen species accumulation, Ca2+ homeostasis dysregulation, mitochondrial dysfunction and metacaspase activation, coupled with hallmarks of apoptosis including phosphatidylserine externalization, DNA fragmentation, and nuclear condensation. In summary, OCS triggered apoptosis through a metacaspase-dependent mitochondrial pathway in C. fimbriata. These findings have important implications for the application of OCS to control pathogens in food and agriculture.
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Affiliation(s)
- Tengjie Li
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, Xuzhou, 221116, Jiangsu, PR China.
| | - Yu Zhang
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, Xuzhou, 221116, Jiangsu, PR China.
| | - Mingjie Xu
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, Xuzhou, 221116, Jiangsu, PR China.
| | - Yuanfang Liu
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, Xuzhou, 221116, Jiangsu, PR China; Caoqiao Middle School of Suzhou, Suzhou, 215008, Jiangsu, PR China.
| | - Chunmei Zhang
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, Xuzhou, 221116, Jiangsu, PR China.
| | - Yanhua Zhang
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, Xuzhou, 221116, Jiangsu, PR China.
| | - Xue Peng
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, Xuzhou, 221116, Jiangsu, PR China.
| | - Zongyun Li
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, Xuzhou, 221116, Jiangsu, PR China.
| | - Sheng Qin
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, Xuzhou, 221116, Jiangsu, PR China.
| | - Ke Xing
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, Xuzhou, 221116, Jiangsu, PR China.
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29
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Liu J, Zhang C, Jia X, Wang W, Yin H. Comparative analysis of RNA-binding proteomes under Arabidopsis thaliana-Pst DC3000-PAMP interaction by orthogonal organic phase separation. Int J Biol Macromol 2020; 160:47-54. [PMID: 32454107 DOI: 10.1016/j.ijbiomac.2020.05.164] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 05/05/2020] [Accepted: 05/05/2020] [Indexed: 12/22/2022]
Abstract
RNA-binding proteins (RBPs) are pivotal participants in post-transcriptional gene regulation. They interact with RNA directly to perform several post-transcriptional RNA regulatory functions or direct metabolic processes. Despite the essential importance, the understanding of plant RBPs is elementary, which derives mainly from other kingdoms via bioinformatic extrapolation or mRNA-binding proteins captured through UV crosslinked method. Recently, orthogonal organic phase separation (OOPS) method for RBP identification has been used in mammals and Escherichia coli. And plentiful RBPs were enriched without molecular tagging or capture of polyadenylated RNA in an unbiased way. In our study, OOPS was conducted on Arabidopsis and 468 RBPs were discovered including 244 putative RBPs. There were 17 peroxidases in 232 RBPs with enzymatic activities. In addition, Arabidopsis thaliana-Pst DC3000-chitinpentaose interaction system was chosen to explore whether OOPS can be used to dig specific RBPs under special physiological conditions. Eighty-four differential RBPs in this system were found and some of them involved in reactive oxygen species (ROS) metabolic pathway. These results showed OOPS can be applied to plants successfully and would be a useful method to identify RBPomes and specific RBPs.
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Affiliation(s)
- Junjie Liu
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chunguang Zhang
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Xiaochen Jia
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Wenxia Wang
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Heng Yin
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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30
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Fan Z, Qin Y, Liu S, Xing R, Yu H, Li P. Chitosan Oligosaccharide Fluorinated Derivative Control Root-Knot Nematode ( Meloidogyne incognita) Disease Based on the Multi-Efficacy Strategy. Mar Drugs 2020; 18:md18050273. [PMID: 32455898 PMCID: PMC7281207 DOI: 10.3390/md18050273] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 05/12/2020] [Accepted: 05/18/2020] [Indexed: 12/17/2022] Open
Abstract
Plant root-knot nematode disease is a great agricultural problem and commercially available nematicides have the disadvantages of high toxicity and limited usage; thus, it is urgent to develop new nematicides derived from nature substances. In this study, a novel fluorinated derivative was synthesized by modifying chitosan oligosaccharide (COS) using the strategy of multiple functions. The derivatives were characterized by FTIR, NMR, elemental analysis, and TG/DTG. The activity assays show that the derivatives can effectively kill the second instar larvae of Meloidogyne incognita in vitro, among them, chitosan-thiadiazole-trifluorobutene (COSSZFB) perform high eggs hatching inhibitory activity. The derivatives can regulate plant growth (photosynthetic pigment), improve immunity (chitinase and β-1,3-glucanase), and show low cytotoxicity and phytotoxicity. According to the multi-functional activity, the derivatives exhibit a good control effect on plant root-knot nematode disease in vivo. The results demonstrate that the COS derivatives (especially fluorinated derivative) perform multiple activities and show the potential to be further evaluated as nematicides.
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Affiliation(s)
- Zhaoqian Fan
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; (Z.F.); (S.L.); (R.X.); (H.Y.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Yukun Qin
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; (Z.F.); (S.L.); (R.X.); (H.Y.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
- Correspondence: (Y.Q.); (P.L.); Tel.: +86-0532-8289-8641 (Y.Q.); +86-0532-8289-8707 (P.L.)
| | - Song Liu
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; (Z.F.); (S.L.); (R.X.); (H.Y.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Ronge Xing
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; (Z.F.); (S.L.); (R.X.); (H.Y.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Huahua Yu
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; (Z.F.); (S.L.); (R.X.); (H.Y.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Pengcheng Li
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; (Z.F.); (S.L.); (R.X.); (H.Y.)
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
- Correspondence: (Y.Q.); (P.L.); Tel.: +86-0532-8289-8641 (Y.Q.); +86-0532-8289-8707 (P.L.)
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Pillai SE, Kumar C, Dasgupta M, Kumar BK, Vungarala S, Patel HK, Sonti RV. Ectopic Expression of a Cell-Wall-Degrading Enzyme-Induced OsAP2/ERF152 Leads to Resistance against Bacterial and Fungal Infection in Arabidopsis. PHYTOPATHOLOGY 2020; 110:726-733. [PMID: 31898928 DOI: 10.1094/phyto-10-19-0395-r] [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] [Indexed: 06/10/2023]
Abstract
Pathogen secreted cell-wall-degrading enzymes (CWDEs) induce plant innate immune responses. The expression of rice transcription factor APETALA2/ethylene response factor-152 (OsAP2/ERF152) is enhanced in leaves upon treatment with different CWDEs and upon wounding. Ectopic expression of OsAP2/ERF152 in Arabidopsis leads to induction of immune responses such as callose deposition and upregulation of both salicylic acid- and jasmonic acid/ethylene-responsive defense genes. Arabidopsis transgenics expressing OsAP2/ERF152 exhibited resistance to infections caused by both bacterial and fungal pathogens (Pseudomonas syringae pv. tomato DC3000 and Rhizoctonia solani AG1-IA, respectively). Ectopic expression of OsAP2/ERF152 results in transient activation of mitogen-activated protein kinases 3/6 (MPK3/6), which could be leading to the induction of a broad range immunity in Arabidopsis.
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Affiliation(s)
- Shakuntala E Pillai
- Council of Scientific and Industrial Research (CSIR) Centre for Cellular and Molecular Biology, Hyderabad, Telangana 500007, India
| | - Chandan Kumar
- National Institute of Plant Genome Research, New Delhi110067, India
| | - Madhumita Dasgupta
- Indian Council of Agricultural Research complex for North Eastern Hill Region, Imphal, Manipur795004, India
| | - Bipin K Kumar
- Council of Scientific and Industrial Research (CSIR) Centre for Cellular and Molecular Biology, Hyderabad, Telangana 500007, India
| | - Sridivya Vungarala
- Council of Scientific and Industrial Research (CSIR) Centre for Cellular and Molecular Biology, Hyderabad, Telangana 500007, India
| | - Hitendra K Patel
- Council of Scientific and Industrial Research (CSIR) Centre for Cellular and Molecular Biology, Hyderabad, Telangana 500007, India
| | - Ramesh V Sonti
- Council of Scientific and Industrial Research (CSIR) Centre for Cellular and Molecular Biology, Hyderabad, Telangana 500007, India
- National Institute of Plant Genome Research, New Delhi110067, India
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Jia X, Qin H, Bose SK, Liu T, He J, Xie S, Ye M, Yin H. Proteomics analysis reveals the defense priming effect of chitosan oligosaccharides in Arabidopsis-Pst DC3000 interaction. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 149:301-312. [PMID: 32120172 DOI: 10.1016/j.plaphy.2020.01.037] [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] [Received: 08/18/2019] [Revised: 01/29/2020] [Accepted: 01/30/2020] [Indexed: 05/02/2023]
Abstract
Chitosan oligosaccharides (COS) worked effectively in multiple plant-pathogen interactions as plant immunity regulator, however, due to the complexity of the COS-induced immune signaling network, the topic requires further investigation. In the present study, quantitative analysis of proteins was performed to investigate the underlying mechanism of COS induced resistance to Pseudomonas syringae pv. tomato DC3000 (Pst DC3000) in Arabidopsis thaliana. 4303 proteins were successfully quantified, 186, 217 and 207 proteins were differently regulated in mock + Pst, COS, and COS + Pst treated plants, respectively, compared with mock plants. From detailed functional and hierarchical clustering analysis, a priming effect of COS on plant immune system by pre-regulated the key proteins related to signaling transduction, defense response, cell wall biosynthesis and modification, plant growth and development, gene transcription and translation, which confers enhanced resistance when Pst DC3000 infection in Arabidopsis. Moreover, RACK1B which has the potential to be the key kinase receptor for COS signals was found out by protein-protein interaction network analysis of COS responsive proteins. In conclusion, COS treatment enable plant to fine-tuning its defense mechanisms for a more rapid and stronger response to future pathogen attacks, which obviously enhances plants defensive capacity that makes COS worked effectively in multiple plant-pathogen interactions.
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Affiliation(s)
- Xiaochen Jia
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Hongqiang Qin
- Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Santosh Kumar Bose
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Tongmei Liu
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Jinxia He
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Shangqiang Xie
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Mingliang Ye
- Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
| | - Heng Yin
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
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Peng Q, Wang Z, Liu P, Liang Y, Zhao Z, Li W, Liu X, Xia Y. Oxathiapiprolin, a Novel Chemical Inducer Activates the Plant Disease Resistance. Int J Mol Sci 2020; 21:E1223. [PMID: 32059380 PMCID: PMC7072870 DOI: 10.3390/ijms21041223] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/07/2020] [Accepted: 02/07/2020] [Indexed: 01/18/2023] Open
Abstract
Oxathiapiprolin was developed as a specific plant pathogenic oomycete inhibitor, previously shown to have highly curative and protective activities against the pepper Phytophthora blight disease under field and greenhouse tests. Therefore, it was hypothesized that oxathiapiprolin might potentially activate the plant disease resistance against pathogen infections. This study investigated the potential and related mechanism of oxathiapiprolin to activate the plant disease resistance using the bacterium Pseudomonas syringae pv tomato (Pst) and plant Arabidopsis interaction as the targeted system. Our results showed that oxathiapiprolin could activate the plant disease resistance against Pst DC3000, a non-target pathogen of oxathiapiprolin, in Arabidopsis, tobacco, and tomato plants. Our results also showed the enhanced callose deposition and H2O2 accumulation in the oxathiapiprolin-treated Arabidopsis under the induction of flg22 as the pathogen-associated molecular pattern (PAMP) treatment. Furthermore, increased levels of free salicylic acid (SA) and jasmonic acid (JA) were detected in the oxathiapiprolin-treated Arabidopsis plants compared to the mock-treated ones under the challenge of Pst DC3000. Besides, the gene expression results confirmed that at 24 h after the infiltration with Pst DC3000, the oxathiapiprolin-treated Arabidopsis plants had upregulated expression levels of the respiratory burst oxidase homolog D (RBOHD), JA-responsive gene (PDF1.2), and SA-responsive genes (PR1, PR2, and PR5) compared to the control. Taken together, oxathiapiprolin is identified as a novel chemical inducer which activates the plant disease resistance against Pst DC3000 by enhancing the callose deposition, H2O2 accumulation, and hormone SA and JA production.
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Affiliation(s)
- Qin Peng
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193, China; (Q.P.); (Z.W.); (P.L.)
- Department of Plant Pathology, College of Food, Agricultural, and Environmental Science, The Ohio State University, Columbus, OH 43210, USA;
| | - Zhiwen Wang
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193, China; (Q.P.); (Z.W.); (P.L.)
| | - Pengfei Liu
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193, China; (Q.P.); (Z.W.); (P.L.)
| | - Yinping Liang
- College of Agronomy & Key Laboratory for Major Crop Diseases, Sichuan Agricultural University, Chengdu 611130, China;
| | - Zhenzhen Zhao
- Department of Plant Pathology, College of Food, Agricultural, and Environmental Science, The Ohio State University, Columbus, OH 43210, USA;
| | - Wenhui Li
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, China;
| | - Xili Liu
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193, China; (Q.P.); (Z.W.); (P.L.)
| | - Ye Xia
- Department of Plant Pathology, College of Food, Agricultural, and Environmental Science, The Ohio State University, Columbus, OH 43210, USA;
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Zhang C, Howlader P, Liu T, Sun X, Jia X, Zhao X, Shen P, Qin Y, Wang W, Yin H. Alginate Oligosaccharide (AOS) induced resistance to Pst DC3000 via salicylic acid-mediated signaling pathway in Arabidopsis thaliana. Carbohydr Polym 2019; 225:115221. [PMID: 31521273 DOI: 10.1016/j.carbpol.2019.115221] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 08/07/2019] [Accepted: 08/19/2019] [Indexed: 12/22/2022]
Abstract
Alginate Oligosaccharide (AOS) is a natural biological carbohydrate extracted from seaweed. In our study, Arabidopsis thaliana was used to evaluate the AOS-induced resistance to Pseudomonas syringae pv. tomato DC3000 (Pst DC3000). Resistance was vitally enhanced at 25 mg/L in wild type (WT), showing the decreased disease index and bacteria colonies, burst of ROS and NO, high transcription expression of resistance genes PR1 and increased content of salicylic acid (SA). In SA deficient mutant (sid2), AOS-induced disease resistance dropped obviously compared to WT. The disease index was significantly higher than WT and the expression of recA and avrPtoB are two and four times lower than WT, implying that AOS induces disease resistance injecting Pst DC3000 after three days treatment by arousing the SA pathway. Our results provide a reference for the profound research and application of AOS in agriculture.
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Affiliation(s)
- Chunguang Zhang
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Prianka Howlader
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tongmei Liu
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; College of Food Science and Engineering, Dalian Ocean University, Dalian 116023, China
| | - Xue Sun
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xiaochen Jia
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xiaoming Zhao
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Peili Shen
- Ministry of Agriculture Key Laboratory of Seaweed Fertilizers, Qingdao Brightmoon Seaweed Group Co Ltd., Qingdao, China
| | - Yimin Qin
- Ministry of Agriculture Key Laboratory of Seaweed Fertilizers, Qingdao Brightmoon Seaweed Group Co Ltd., Qingdao, China
| | - Wenxia Wang
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Heng Yin
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
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Zhao XY, Qi CH, Jiang H, Zhong MS, Zhao Q, You CX, Li YY, Hao YJ. MdWRKY46-Enhanced Apple Resistance to Botryosphaeria dothidea by Activating the Expression of MdPBS3.1 in the Salicylic Acid Signaling Pathway. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2019; 32:1391-1401. [PMID: 31408392 DOI: 10.1094/mpmi-03-19-0089-r] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Salicylic acid (SA) is closely related to disease resistance of plants. WRKY transcription factors have been linked to the growth and development of plants, especially under stress conditions. However, the regulatory mechanism of WRKY proteins involved in SA production and disease resistance in apple is not clear. In this study, MdPBS3.1 responded to Botryosphaeria dothidea and enhanced resistance to B. dothidea. Electrophoretic mobility shift assays, yeast one-hybrid assays, and chromatin immunoprecipitation and quantitative PCR demonstrated that MdWRKY46 can directly bind to a W-box motif in the promoter of MdPBS3.1. Glucuronidase transactivation and luciferase analysis further showed that MdWRKY46 can activate the expression of MdPBS3.1. Finally, B. dothidea inoculation in transgenic apple calli and fruits revealed that MdWRKY46 improved resistance to B. dothidea by the transcriptional activation of MdPBS3.1. Viral vector-based transformation assays indicated that MdWRKY46 elevates SA content and transcription of SA-related genes, including MdPR1, MdPR5, and MdNPR1 in an MdPBS3.1-dependent way. These findings provide new insights into how MdWRKY46 regulates plant resistance to B. dothidea through the SA signaling pathway.
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Affiliation(s)
- Xian-Yan Zhao
- State Key Laboratory of Crop Stress Biology for Arid Areas and Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Chen-Hui Qi
- State Key Laboratory of Crop Biology, Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Han Jiang
- State Key Laboratory of Crop Stress Biology for Arid Areas and Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Ming-Shuang Zhong
- State Key Laboratory of Crop Biology, Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Qiang Zhao
- State Key Laboratory of Crop Biology, Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Chun-Xiang You
- State Key Laboratory of Crop Biology, Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Yuan-Yuan Li
- State Key Laboratory of Crop Biology, Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Yu-Jin Hao
- State Key Laboratory of Crop Biology, Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
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Jiang B, Ou S, Xu L, Mai W, Ye M, Gu H, Zhang T, Yuan C, Shen C, Wang J, Liu K. Comparative proteomic analysis provides novel insights into the regulation mechanism underlying papaya (Carica papaya L.) exocarp during fruit ripening process. BMC PLANT BIOLOGY 2019; 19:238. [PMID: 31170911 PMCID: PMC6554998 DOI: 10.1186/s12870-019-1845-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 05/22/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Papaya (Carica papaya L.) is a popular climacteric fruit, undergoing various physico-chemical changes during ripening. Although papaya is widely cultivated and consumed, few studies on the changes in metabolism during its ripening process at the proteasome level have been performed. Using a newly developed TMT-LCMS analysis, proteomes of papaya fruit at different ripening stages were investigated. RESULTS In total, 3220 proteins were identified, of which 2818 proteins were quantified. The differential accumulated proteins (DAPs) exhibited various biological functions and diverse subcellular localizations. The KEGG enrichment analysis showed that various metabolic pathways were significantly altered, particularly in flavonoid and fatty acid metabolisms. The up-regulation of several flavonoid biosynthesis-related proteins may provide more raw materials for pigment biosynthesis, accelerating the color variation of papaya fruit. Variations in the fatty acid metabolism- and cell wall degradation-related proteins were investigated during the ripening process. Furthermore, the contents of several important fatty acids were determined, and increased unsaturated fatty acids may be associated with papaya fruit volatile formation. CONCLUSIONS Our data may give an intrinsic explanation of the variations in metabolism during the ripening process of papaya fruit.
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Affiliation(s)
- Bian Jiang
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, 524048 China
| | - Siyan Ou
- Root Biology Center, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642 China
| | - Ling Xu
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, 524048 China
| | - Wanyi Mai
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, 524048 China
| | - Meijun Ye
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, 524048 China
| | - Haiping Gu
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, 524048 China
| | - Tao Zhang
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, 524048 China
| | - Changchun Yuan
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, 524048 China
| | - Chenjia Shen
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, 310036 China
| | - Jinxiang Wang
- Root Biology Center, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642 China
| | - Kaidong Liu
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, 524048 China
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