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Xiong B, Li Q, Yao J, Zheng W, Ou Y, He Y, Liao L, Wang X, Deng H, Zhang M, Sun G, He S, He J, Zhang X, Wang Z. Transcriptome and UPLC-MS/MS reveal mechanisms of amino acid biosynthesis in sweet orange 'Newhall' after different rootstocks grafting. FRONTIERS IN PLANT SCIENCE 2023; 14:1216826. [PMID: 37496860 PMCID: PMC10366444 DOI: 10.3389/fpls.2023.1216826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 06/22/2023] [Indexed: 07/28/2023]
Abstract
Sweet orange 'Newhall' (C. sinensis) is a popular fruit in high demand all over the world. Its peel and pulp are rich in a variety of nutrients and are widely used in catering, medicine, food and other industries. Grafting is commonly practiced in citrus production. Different rootstock types directly affect the fruit quality and nutritional flavor of citrus. However, the studies on citrus metabolites by grafting with different rootstocks are very limited, especially for amino acids (AAs). The preliminary test showed that there were significant differences in total amino acid content of two rootstocks (Poncirus trifoliata (CT) and C. junos Siebold ex Tanaka (CJ)) after grafting, and total amino acid content in the peel was higher than flesh. However, the molecular mechanism affecting amino acid differential accumulation remains unclear. Therefore, this study selected peel as the experimental material to reveal the amino acid components and differential accumulation mechanism of sweet orange 'Newhall' grafted with different rootstocks through combined transcriptome and metabolome analysis. Metabolome analysis identified 110 amino acids (AAs) and their derivatives in sweet orange 'Newhall' peels, with L-valine being the most abundant. L-asparagine was observed to be affected by both developmental periods and rootstock grafting. Weighted gene co-expression network analysis (WGCNA) combined with Redundancy Analysis (RDA) revealed eight hub structural genes and 41 transcription factors (TFs) that significantly influenced amino acid biosynthesis in sweet orange 'Newhall' peels. Our findings further highlight the significance of rootstock selection in enhancing the nutritional value of citrus fruits and might contribute to the development of functional citrus foods and nutritional amino acid supplements.
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Affiliation(s)
- Bo Xiong
- *Correspondence: Bo Xiong, ; Zhihui Wang,
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2
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Saiz-Fernández I, Černý M, Skalák J, Brzobohatý B. Split-root systems: detailed methodology, alternative applications, and implications at leaf proteome level. PLANT METHODS 2021; 17:7. [PMID: 33422104 PMCID: PMC7797125 DOI: 10.1186/s13007-020-00706-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 12/31/2020] [Indexed: 05/08/2023]
Abstract
BACKGROUND Split-root systems (SRS) have many applications in plant sciences, but their implementation, depending on the experimental design, can be difficult and time-consuming. Additionally, the system is not exempt from limitations, since the time required for the establishment of the SRS imposes a limit to how early in plant development experiments can be performed. Here, we optimized and explained in detail a method for establishing a SRS in young Arabidopsis thaliana seedlings, both in vitro and in soil. RESULTS We found that the partial de-rooting minimized the recovery time compared to total de-rooting, thus allowing the establishment of the split-root system in younger plants. Analysis of changes in the Arabidopsis leaf proteome following the de-rooting procedure highlighted the distinct metabolic alterations that totally and partially de-rooted plants undergo during the healing process. This system was also validated for its use in drought experiments, as it offers a way to apply water-soluble compounds to plants subjected to drought stress. By growing plants in a split-root system with both halves being water-deprived, it is possible to apply the required compound to one half of the root system, which can be cut from the main plant once the compound has been absorbed, thus minimizing rehydration and maintaining drought conditions. CONCLUSIONS Partial de-rooting is the suggested method for obtaining split-root systems in small plants like Arabidopsis thaliana, as growth parameters, survival rate, and proteomic analysis suggest that is a less stressful procedure than total de-rooting, leading to a final rosette area much closer to that of uncut plants. Additionally, we provide evidence that split root-systems can be used in drought experiments where water-soluble compounds are applied with minimal effects of rehydration.
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Affiliation(s)
- Iñigo Saiz-Fernández
- Phytophthora Research Centre, Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 3, 613 00, Brno, Czech Republic.
| | - Martin Černý
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 3, 613 00, Brno, Czech Republic
| | - Jan Skalák
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 3, 613 00, Brno, Czech Republic
- Functional Genomics & Proteomics of Plants, CEITEC MU, Central European Institute of Technology, Kamenice 5, 625 00, Brno, Czech Republic
| | - Břetislav Brzobohatý
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 3, 613 00, Brno, Czech Republic
- CEITEC-Central European Institute of Technology, Mendel University in Brno, Zemědělská 1, CZ-61300, Brno, Czech Republic
- Institute of Biophysics of the Czech Academy of Sciences, Královopolská 135, 61265, Brno, Czech Republic
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Skalak J, Nicolas KL, Vankova R, Hejatko J. Signal Integration in Plant Abiotic Stress Responses via Multistep Phosphorelay Signaling. FRONTIERS IN PLANT SCIENCE 2021; 12:644823. [PMID: 33679861 PMCID: PMC7925916 DOI: 10.3389/fpls.2021.644823] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 01/26/2021] [Indexed: 05/02/2023]
Abstract
Plants growing in any particular geographical location are exposed to variable and diverse environmental conditions throughout their lifespan. The multifactorial environmental pressure resulted into evolution of plant adaptation and survival strategies requiring ability to integrate multiple signals that combine to yield specific responses. These adaptive responses enable plants to maintain their growth and development while acquiring tolerance to a variety of environmental conditions. An essential signaling cascade that incorporates a wide range of exogenous as well as endogenous stimuli is multistep phosphorelay (MSP). MSP mediates the signaling of essential plant hormones that balance growth, development, and environmental adaptation. Nevertheless, the mechanisms by which specific signals are recognized by a commonly-occurring pathway are not yet clearly understood. Here we summarize our knowledge on the latest model of multistep phosphorelay signaling in plants and the molecular mechanisms underlying the integration of multiple inputs including both hormonal (cytokinins, ethylene and abscisic acid) and environmental (light and temperature) signals into a common pathway. We provide an overview of abiotic stress responses mediated via MSP signaling that are both hormone-dependent and independent. We highlight the mutual interactions of key players such as sensor kinases of various substrate specificities including their downstream targets. These constitute a tightly interconnected signaling network, enabling timely adaptation by the plant to an ever-changing environment. Finally, we propose possible future directions in stress-oriented research on MSP signaling and highlight its potential importance for targeted crop breeding.
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Affiliation(s)
- Jan Skalak
- CEITEC - Central European Institute of Technology and National Centre for Biomolecular Research, Masaryk University, Brno, Czechia
| | - Katrina Leslie Nicolas
- CEITEC - Central European Institute of Technology and National Centre for Biomolecular Research, Masaryk University, Brno, Czechia
| | - Radomira Vankova
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany, Czech Academy of Sciences, Prague, Czechia
| | - Jan Hejatko
- CEITEC - Central European Institute of Technology and National Centre for Biomolecular Research, Masaryk University, Brno, Czechia
- *Correspondence: Jan Hejatko,
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Integrated Proteomic and Metabolomic Profiling of Phytophthora cinnamomi Attack on Sweet Chestnut ( Castanea sativa) Reveals Distinct Molecular Reprogramming Proximal to the Infection Site and Away from It. Int J Mol Sci 2020; 21:ijms21228525. [PMID: 33198329 PMCID: PMC7697766 DOI: 10.3390/ijms21228525] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/09/2020] [Accepted: 11/10/2020] [Indexed: 01/15/2023] Open
Abstract
Phytophthora cinnamomi is one of the most invasive tree pathogens that devastates wild and cultivated forests. Due to its wide host range, knowledge of the infection process at the molecular level is lacking for most of its tree hosts. To expand the repertoire of studied Phytophthora-woody plant interactions and identify molecular mechanisms that can facilitate discovery of novel ways to control its spread and damaging effects, we focused on the interaction between P. cinnamomi and sweet chestnut (Castanea sativa), an economically important tree for the wood processing industry. By using a combination of proteomics, metabolomics, and targeted hormonal analysis, we mapped the effects of P. cinnamomi attack on stem tissues immediately bordering the infection site and away from it. P. cinnamomi led to a massive reprogramming of the chestnut proteome and accumulation of the stress-related hormones salicylic acid (SA) and jasmonic acid (JA), indicating that stem inoculation can be used as an easily accessible model system to identify novel molecular players in P. cinnamomi pathogenicity.
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Pinus spp. Somatic Embryo Conversion under High Temperature: Effect on the Morphological and Physiological Characteristics of Plantlets. FORESTS 2020. [DOI: 10.3390/f11111181] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Climatic variations in the current environmental scenario require plants with tolerance to sudden changes in temperature and a decrease in water availability. Accordingly, this tolerance will enable successful plantations and the maintenance of natural and planted forests. Consequently, in the last two decades, drought tolerance and high temperatures in conifers have been an important target for morphological, physiological, and epigenetic studies. Based on this, our research team has optimized different stages of somatic embryogenesis (SE) in Pinus spp. improving the success of the process. Through this method, we can obtain a large amount of clonal material and then analyze the somatic plants under different conditions ex vitro. The analysis of the morphological and physiological parameters in somatic embryos (ses) and plants with different tolerances to abiotic stress can provide us with valuable information about the mechanisms used by plants to survive under adverse environmental conditions. Thus, the objective of this work was to evaluate the influence of high temperatures (23, 40, 50, and 60 °C, after 12 weeks, 90, 30, 5 min, respectively) on the morphology of somatic embryos obtained from Pinus radiata D.Don (Radiata pine) and Pinus halepensis Mill. (Aleppo pine). In addition, we carried out a physiological evaluation of the somatic plants of P. radiata submitted to heat and water stress in a greenhouse. We observed that the number of somatic embryos was not affected by maturation temperatures in both species. Likewise, P. radiata plants obtained from these somatic embryos survived drought and heat stress in the greenhouse. In addition, plants originating from embryonal masses (EMs) subjected to high maturation temperature (40 and 60 °C) had a significant increase in gs and E. Therefore, it is possible to modulate the characteristics of somatic plants produced by the manipulation of environmental conditions during the process of SE.
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Gallo M, Morse D, Hollnagel HC, Barros MP. Oxidative stress and toxicology of Cu 2+ based on surface areas in mixed cultures of green alga and cyanobacteria: The pivotal role of H 2O 2. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 222:105450. [PMID: 32106005 DOI: 10.1016/j.aquatox.2020.105450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 02/03/2020] [Accepted: 02/17/2020] [Indexed: 06/10/2023]
Abstract
The toxicity of heavy metals in algal monocultures is well studied and is mediated by reactive oxygen and nitrogen species (ROS/RNS). However, little is known about the toxicity of heavy metals and the mechanisms involved in mixed cultures. Here we examine the oxidative stress and toxic effects of Cu2+ on the green alga Dunaliella salina (DS) and the cyanobacteria Synecochoccus elongatus (SE) in both mono- and mixed cultures. We find that both species benefit in mixed cultures and acquire higher resistance to Cu2+ toxicity, with a particularly marked effect on SE. DS has a larger surface area than SE, so increases in the number of DS cells compared to SE diminishes the proportion of SE surface area exposed to Cu2+, and contributes to increasing cyanobacterial resistance in mixed cultures. However, these mixed cultures also display as an unexpected property an increased resistance of DS in mixed cultures. SE and DS cells showed significant differences on the kinetics of H2O2 production and antioxidant capacities. The integrated (overall) redox response of mixed cultures, in terms of total amount of H2O2 produced, was proportional to the total surface area of algal species exposed to Cu2+, independent of algal composition in mixed systems. However, mixed cultures display emergent properties, as the time course of H2O2 accumulation is not a simple function of the composition of the mixed cultures. Emergent properties are also observed in the speed of membrane lipid oxidation by the two species, as measured using mixed cultures in which only one of the two species is labeled using the membrane oxidation indicator C11-BODIPY581/591. We suggest that, in addition to H2O2¸ other redox signals (e.g. NO) and allelochemicals (auxins, cytokinins, etc.) may be used to construct a complex inter-species communication network. This could allow mixed algal systems, whatever their composition, to integrate their cellular responses and perform as a coherent unit against toxic Cu2+ ions.
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Affiliation(s)
- Michelle Gallo
- Program in Health Sciences, Cruzeiro do Sul University, 01506-000, São Paulo, SP, Brazil
| | - David Morse
- Departement de Sciences Biologiques, Institut de Recherche en Biologie Végétale, Université de Montréal, QC, H1X 2B2, Montreal, Canada
| | - Heloisa C Hollnagel
- Universidade Federal de São Paulo (UNIFESP), Campus Osasco, 06110-295, Osasco, SP, Brazil
| | - Marcelo P Barros
- Program in Health Sciences, Cruzeiro do Sul University, 01506-000, São Paulo, SP, Brazil.
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Relation of Photochemical Reflectance Indices Based on Different Wavelengths to the Parameters of Light Reactions in Photosystems I and II in Pea Plants. REMOTE SENSING 2020. [DOI: 10.3390/rs12081312] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Measurement and analysis of the numerous reflectance indices of plants is an effective approach for the remote sensing of plant physiological processes in agriculture and ecological monitoring. A photochemical reflectance index (PRI) plays an important role in this kind of remote sensing because it can be related to early changes in photosynthetic processes under the action of stressors (excess light, changes in temperature, drought, etc.). In particular, we previously showed that light-induced changes in PRIs could be strongly related to the energy-dependent component of the non-photochemical quenching in photosystem II. The aim of the present work was to undertake comparative analysis of the efficiency of using light-induced changes in PRIs (ΔPRIs) based on different wavelengths for the estimation of the parameters of photosynthetic light reactions (including the parameters of photosystem I). Pea plants were used in the investigation; the photosynthetic parameters were measured using the pulse-amplitude-modulated (PAM) fluorometer Dual-PAM-100 and the intensities of the reflected light were measured using the spectrometer S100. The ΔPRIs were calculated as ΔPRI(band,570), where the band was 531 nm for the typical PRI and 515, 525, 535, 545, or 555 nm for modified PRIs; 570 nm was the reference wavelength for all PRIs. There were several important results: (1) ∆PRI(525,570), ∆PRI(531,570), ∆PRI(535,570), and ∆PRI(545,570) could be used for estimation of most of the photosynthetic parameters under light only or under dark only conditions. (2) The combination of dark and light conditions decreased the efficiency of ∆PRIs for the estimation of the photosynthetic parameters; ∆PRI(535,570) and ∆PRI(545,570) had maximal efficiency under these conditions. (3) ∆PRI(515,570) and ∆PRI(525,570) mainly included the slow-relaxing component of PRI; in contrast, ∆PRI(531,570), ∆PRI(535,570), ∆PRI(545,570), and ∆PRI(555,570) mainly included the fast-relaxing component of PRI. These components were probably caused by different mechanisms.
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8
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Sobhanian H, Pahlavan S, Meyfour A. How does proteomics target plant environmental stresses in a semi-arid area? Mol Biol Rep 2020; 47:3181-3194. [DOI: 10.1007/s11033-020-05406-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 03/25/2020] [Indexed: 12/30/2022]
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High-Resolution Lysine Acetylome Profiling by Offline Fractionation and Immunoprecipitation. Methods Mol Biol 2020; 2139:241-256. [PMID: 32462591 DOI: 10.1007/978-1-0716-0528-8_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Acetylation of lysine side chains at their ε-amino group is a reversible posttranslational modification (PTM), which can affect diverse protein functions. Lysine acetylation was first described on histones, and nowadays gains more and more attention due to its more general occurrence in proteomes, and its possible crosstalk with other protein modifications. Here we describe a workflow to investigate the acetylation of lysine-containing peptides on a large scale. For this high-resolution lysine acetylome analysis, dimethyl-labeled peptide samples are pooled and offline-fractionated using hydrophilic interaction liquid chromatography (HILIC). The offline fractionation is followed by an immunoprecipitation and liquid chromatography-tandem mass spectrometry (LC-MS/MS) for data acquisition and subsequent data analysis.
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10
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Li S, Yu J, Li Y, Zhang H, Bao X, Bian J, Xu C, Wang X, Cai X, Wang Q, Wang P, Guo S, Miao Y, Chen S, Qin Z, Dai S. Heat-Responsive Proteomics of a Heat-Sensitive Spinach Variety. Int J Mol Sci 2019; 20:ijms20163872. [PMID: 31398909 PMCID: PMC6720816 DOI: 10.3390/ijms20163872] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 07/28/2019] [Accepted: 08/06/2019] [Indexed: 01/20/2023] Open
Abstract
High temperatures seriously limit plant growth and productivity. Investigating heat-responsive molecular mechanisms is important for breeding heat-tolerant crops. In this study, heat-responsive mechanisms in leaves from a heat-sensitive spinach (Spinacia oleracea L.) variety Sp73 were investigated using two-dimensional gel electrophoresis (2DE)-based and isobaric tags for relative and absolute quantification (iTRAQ)-based proteomics approaches. In total, 257 heat-responsive proteins were identified in the spinach leaves. The abundance patterns of these proteins indicated that the photosynthesis process was inhibited, reactive oxygen species (ROS) scavenging pathways were initiated, and protein synthesis and turnover, carbohydrate and amino acid metabolism were promoted in the spinach Sp73 in response to high temperature. By comparing this with our previous results in the heat-tolerant spinach variety Sp75, we found that heat inhibited photosynthesis, as well as heat-enhanced ROS scavenging, stress defense pathways, carbohydrate and energy metabolism, and protein folding and turnover constituting a conservative strategy for spinach in response to heat stress. However, the heat-decreased biosynthesis of chlorophyll and carotenoid as well as soluble sugar content in the variety Sp73 was quite different from that in the variety Sp75, leading to a lower capability for photosynthetic adaptation and osmotic homeostasis in Sp73 under heat stress. Moreover, the heat-reduced activities of SOD and other heat-activated antioxidant enzymes in the heat-sensitive variety Sp73 were also different from the heat-tolerant variety Sp75, implying that the ROS scavenging strategy is critical for heat tolerance.
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Affiliation(s)
- Shanshan Li
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
- Alkali Soil Natural Environmental Science Center, Northeast Forestry University, Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Harbin 150040, China
- College of Life Sciences and Agriculture and Forestry, Qiqihar University, Qiqihar 161006, China
| | - Juanjuan Yu
- Alkali Soil Natural Environmental Science Center, Northeast Forestry University, Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Harbin 150040, China
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Ying Li
- Alkali Soil Natural Environmental Science Center, Northeast Forestry University, Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Harbin 150040, China
| | - Heng Zhang
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Xuesong Bao
- Alkali Soil Natural Environmental Science Center, Northeast Forestry University, Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Harbin 150040, China
| | - Jiayi Bian
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Chenxi Xu
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Xiaoli Wang
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Xiaofeng Cai
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Quanhua Wang
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Pengcheng Wang
- Shanghai Center for Plant Stress Biology, Chinese Academy of Sciences, Shanghai 201602, China
| | - Siyi Guo
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, Department of Biology, Henan University, Kaifeng 475004, China
| | - Yuchen Miao
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, Department of Biology, Henan University, Kaifeng 475004, China
| | - Sixue Chen
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
- Department of Biology, Genetics Institute, Plant Molecular and Cellular Biology Program, Interdisciplinary Center for Biotechnology Research, University of Florida, Gainesville, FL 32610, USA
| | - Zhi Qin
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China.
| | - Shaojun Dai
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China.
- Alkali Soil Natural Environmental Science Center, Northeast Forestry University, Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Harbin 150040, China.
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Immunoprecipitation Under Non-Denaturing or Denaturing Conditions of Lysine-Acetylated Proteins Expressed in Planta. Methods Mol Biol 2019. [PMID: 31041758 DOI: 10.1007/978-1-4939-9458-8_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Protein lysine acetylation is a highly conserved posttranslational modification that plays key roles in many biological processes such as the regulation of gene expression, chromatin dynamics, and metabolic pathways. Recent studies revealed that various pathogens use lysine acetylation to interfere with host immune responses. Identification of lysine-acetylated host proteins resulting from virulence activities of pathogen effectors is therefore essential for understanding their biological functions. Here we provide a method for immunoprecipitating lysine-acetylated proteins transiently expressed in planta under non-denaturing or denaturing conditions and detecting them by immunoblotting. To illustrate this rapid and simple procedure, immunoprecipitation of the lysine-acetylated WRKY domain of the RRS1-R immune receptor, a substrate of the Ralstonia solanacearum PopP2 effector, is presented as a typical example.
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Response mechanisms induced by exposure to high temperature in anthers from thermo-tolerant and thermo-sensitive tomato plants: A proteomic perspective. PLoS One 2018; 13:e0201027. [PMID: 30024987 PMCID: PMC6053223 DOI: 10.1371/journal.pone.0201027] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 07/07/2018] [Indexed: 11/19/2022] Open
Abstract
Constant global warming is one of the most detrimental environmental factors for agriculture causing significant losses in productivity as heat stress (HS) conditions damage plant growth and reproduction. In flowering plants such as tomato, HS has drastic repercussions on development and functionality of male reproductive organs and pollen. Response mechanisms to HS in tomato anthers and pollen have been widely investigated by transcriptomics; on the contrary, exhaustive proteomic evidences are still lacking. In this context, a differential proteomic study was performed on tomato anthers collected from two genotypes (thermo-tolerant and thermo-sensitive) to explore stress response mechanisms and identify proteins possibly associated to thermo-tolerance. Results showed that HS mainly affected energy and amino acid metabolism and nitrogen assimilation and modulated the expression of proteins involved in assuring protein quality and ROS detoxification. Moreover, proteins potentially associated to thermo-tolerant features, such as glutamine synthetase, S-adenosylmethionine synthase and polyphenol oxidase, were identified.
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Rurek M, Czołpińska M, Pawłowski TA, Staszak AM, Nowak W, Krzesiński W, Spiżewski T. Mitochondrial Biogenesis in Diverse Cauliflower Cultivars under Mild and Severe Drought. Impaired Coordination of Selected Transcript and Proteomic Responses, and Regulation of Various Multifunctional Proteins. Int J Mol Sci 2018; 19:ijms19041130. [PMID: 29642585 PMCID: PMC5979313 DOI: 10.3390/ijms19041130] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 03/09/2018] [Accepted: 04/04/2018] [Indexed: 12/25/2022] Open
Abstract
Mitochondrial responses under drought within Brassica genus are poorly understood. The main goal of this study was to investigate mitochondrial biogenesis of three cauliflower (Brassica oleracea var. botrytis) cultivars with varying drought tolerance. Diverse quantitative changes (decreases in abundance mostly) in the mitochondrial proteome were assessed by two-dimensional gel electrophoresis (2D PAGE) coupled with liquid chromatography-tandem mass spectrometry (LC-MS/MS). Respiratory (e.g., complex II, IV (CII, CIV) and ATP synthase subunits), transporter (including diverse porin isoforms) and matrix multifunctional proteins (e.g., components of RNA editing machinery) were diversely affected in their abundance under two drought levels. Western immunoassays showed additional cultivar-specific responses of selected mitochondrial proteins. Dehydrin-related tryptic peptides (found in several 2D spots) immunopositive with dehydrin-specific antisera highlighted the relevance of mitochondrial dehydrin-like proteins for the drought response. The abundance of selected mRNAs participating in drought response was also determined. We conclude that mitochondrial biogenesis was strongly, but diversely affected in various cauliflower cultivars, and associated with drought tolerance at the proteomic and functional levels. However, discussed alternative oxidase (AOX) regulation at the RNA and protein level were largely uncoordinated due to the altered availability of transcripts for translation, mRNA/ribosome interactions, and/or miRNA impact on transcript abundance and translation.
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Affiliation(s)
- Michał Rurek
- Department of Molecular and Cellular Biology, Institute of Molecular Biology and Biotechnology, Adam Mickiewicz University, Poznań, Umultowska 89, 61-614 Poznań, Poland.
| | - Magdalena Czołpińska
- Department of Molecular and Cellular Biology, Institute of Molecular Biology and Biotechnology, Adam Mickiewicz University, Poznań, Umultowska 89, 61-614 Poznań, Poland.
| | | | - Aleksandra Maria Staszak
- Institute of Dendrology, Polish Academy of Sciences, Parkowa 5, 62-035 Kórnik, Poland.
- Present address: Department of Plant Physiology, Institute of Biology, Faculty of Biology and Chemistry, University of Białystok, Ciołkowskiego 1J, 15-245 Białystok, Poland.
| | - Witold Nowak
- Molecular Biology Techniques Laboratory, Faculty of Biology, Adam Mickiewicz University, Poznań, Umultowska 89, 61-614 Poznań, Poland.
| | - Włodzimierz Krzesiński
- Department of Vegetable Crops, Poznan University of Life Sciences, Dąbrowskiego 159, 60-594 Poznań, Poland.
| | - Tomasz Spiżewski
- Department of Vegetable Crops, Poznan University of Life Sciences, Dąbrowskiego 159, 60-594 Poznań, Poland.
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Michaletti A, Naghavi MR, Toorchi M, Zolla L, Rinalducci S. Metabolomics and proteomics reveal drought-stress responses of leaf tissues from spring-wheat. Sci Rep 2018; 8:5710. [PMID: 29632386 PMCID: PMC5890255 DOI: 10.1038/s41598-018-24012-y] [Citation(s) in RCA: 123] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 03/20/2018] [Indexed: 12/21/2022] Open
Abstract
To reveal the integrative biochemical networks of wheat leaves in response to water deficient conditions, proteomics and metabolomics were applied to two spring-wheat cultivars (Bahar, drought-susceptible; Kavir, drought-tolerant). Drought stress induced detrimental effects on Bahar leaf proteome, resulting in a severe decrease of total protein content, with impairments mainly in photosynthetic proteins and in enzymes involved in sugar and nitrogen metabolism, as well as in the capacity of detoxifying harmful molecules. On the contrary, only minor perturbations were observed at the protein level in Kavir stressed leaves. Metabolome analysis indicated amino acids, organic acids, and sugars as the main metabolites changed in abundance upon water deficiency. In particular, Bahar cv showed increased levels in proline, methionine, arginine, lysine, aromatic and branched chain amino acids. Tryptophan accumulation via shikimate pathway seems to sustain auxin production (indoleacrylic acid), whereas glutamate reduction is reasonably linked to polyamine (spermine) synthesis. Kavir metabolome was affected by drought stress to a less extent with only two pathways significantly changed, one of them being purine metabolism. These results comprehensively provide a framework for better understanding the mechanisms that govern plant cell response to drought stress, with insights into molecules that can be used for crop improvement projects.
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Affiliation(s)
- Anna Michaletti
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | | | - Mahmoud Toorchi
- Department of Biotechnology and Plant Breeding, University of Tabriz, Tabriz, Iran
| | - Lello Zolla
- Department of Science and Technology for Agriculture, Forestry, Nature and Energy (DAFNE), University of Tuscia, Viterbo, Italy.
| | - Sara Rinalducci
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy.
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15
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Kosová K, Vítámvás P, Urban MO, Prášil IT, Renaut J. Plant Abiotic Stress Proteomics: The Major Factors Determining Alterations in Cellular Proteome. FRONTIERS IN PLANT SCIENCE 2018; 9:122. [PMID: 29472941 PMCID: PMC5810178 DOI: 10.3389/fpls.2018.00122] [Citation(s) in RCA: 137] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 01/23/2018] [Indexed: 05/19/2023]
Abstract
HIGHLIGHTS: Major environmental and genetic factors determining stress-related protein abundance are discussed.Major aspects of protein biological function including protein isoforms and PTMs, cellular localization and protein interactions are discussed.Functional diversity of protein isoforms and PTMs is discussed. Abiotic stresses reveal profound impacts on plant proteomes including alterations in protein relative abundance, cellular localization, post-transcriptional and post-translational modifications (PTMs), protein interactions with other protein partners, and, finally, protein biological functions. The main aim of the present review is to discuss the major factors determining stress-related protein accumulation and their final biological functions. A dynamics of stress response including stress acclimation to altered ambient conditions and recovery after the stress treatment is discussed. The results of proteomic studies aimed at a comparison of stress response in plant genotypes differing in stress adaptability reveal constitutively enhanced levels of several stress-related proteins (protective proteins, chaperones, ROS scavenging- and detoxification-related enzymes) in the tolerant genotypes with respect to the susceptible ones. Tolerant genotypes can efficiently adjust energy metabolism to enhanced needs during stress acclimation. Stress tolerance vs. stress susceptibility are relative terms which can reflect different stress-coping strategies depending on the given stress treatment. The role of differential protein isoforms and PTMs with respect to their biological functions in different physiological constraints (cellular compartments and interacting partners) is discussed. The importance of protein functional studies following high-throughput proteome analyses is presented in a broader context of plant biology. In summary, the manuscript tries to provide an overview of the major factors which have to be considered when interpreting data from proteomic studies on stress-treated plants.
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Affiliation(s)
- Klára Kosová
- Division of Crop Genetics and Breeding, Laboratory of Plant Stress Biology and Biotechnology, Crop Research Institute, Prague, Czechia
- Department of Experimental Plant Biology, Faculty of Science, Charles University in Prague, Prague, Czechia
| | - Pavel Vítámvás
- Division of Crop Genetics and Breeding, Laboratory of Plant Stress Biology and Biotechnology, Crop Research Institute, Prague, Czechia
- Department of Experimental Plant Biology, Faculty of Science, Charles University in Prague, Prague, Czechia
| | - Milan O. Urban
- Division of Crop Genetics and Breeding, Laboratory of Plant Stress Biology and Biotechnology, Crop Research Institute, Prague, Czechia
- Department of Experimental Plant Biology, Faculty of Science, Charles University in Prague, Prague, Czechia
| | - Ilja T. Prášil
- Division of Crop Genetics and Breeding, Laboratory of Plant Stress Biology and Biotechnology, Crop Research Institute, Prague, Czechia
| | - Jenny Renaut
- Environmental Research and Technology Platform, Environmental Research and Innovation, Luxembourg Institute of Science and Technology (LIST), Esch-sur-Alzette, Luxembourg
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16
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Zhao Q, Chen W, Bian J, Xie H, Li Y, Xu C, Ma J, Guo S, Chen J, Cai X, Wang X, Wang Q, She Y, Chen S, Zhou Z, Dai S. Proteomics and Phosphoproteomics of Heat Stress-Responsive Mechanisms in Spinach. FRONTIERS IN PLANT SCIENCE 2018; 9:800. [PMID: 29997633 PMCID: PMC6029058 DOI: 10.3389/fpls.2018.00800] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 05/24/2018] [Indexed: 05/02/2023]
Abstract
Elevated temperatures limit plant growth and reproduction and pose a growing threat to agriculture. Plant heat stress response is highly conserved and fine-tuned in multiple pathways. Spinach (Spinacia oleracea L.) is a cold tolerant but heat sensitive green leafy vegetable. In this study, heat adaptation mechanisms in a spinach sibling inbred heat-tolerant line Sp75 were investigated using physiological, proteomic, and phosphoproteomic approaches. The abundance patterns of 911 heat stress-responsive proteins, and phosphorylation level changes of 45 phosphoproteins indicated heat-induced calcium-mediated signaling, ROS homeostasis, endomembrane trafficking, and cross-membrane transport pathways, as well as more than 15 transcription regulation factors. Although photosynthesis was inhibited, diverse primary and secondary metabolic pathways were employed for defense against heat stress, such as glycolysis, pentose phosphate pathway, amino acid metabolism, fatty acid metabolism, nucleotide metabolism, vitamin metabolism, and isoprenoid biosynthesis. These data constitute a heat stress-responsive metabolic atlas in spinach, which will springboard further investigations into the sophisticated molecular mechanisms of plant heat adaptation and inform spinach molecular breeding initiatives.
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Affiliation(s)
- Qi Zhao
- Development Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, China
- Key Laboratory of Forest Plant Ecology, Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Alkali Soil Natural Environmental Science Center, Northeast Forestry University, Harbin, China
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Wenxin Chen
- Development Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, China
| | - Jiayi Bian
- Development Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, China
| | - Hao Xie
- Key Laboratory of Forest Plant Ecology, Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Alkali Soil Natural Environmental Science Center, Northeast Forestry University, Harbin, China
| | - Ying Li
- Key Laboratory of Forest Plant Ecology, Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Alkali Soil Natural Environmental Science Center, Northeast Forestry University, Harbin, China
| | - Chenxi Xu
- Development Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, China
| | - Jun Ma
- Shanghai Center for Plant Stress Biology, Chinese Academy of Sciences, Shanghai, China
| | - Siyi Guo
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, Department of Biology, Henan University, Kaifeng, China
| | - Jiaying Chen
- Development Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, China
| | - Xiaofeng Cai
- Development Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, China
| | - Xiaoli Wang
- Development Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, China
| | - Quanhua Wang
- Development Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, China
| | - Yimin She
- Shanghai Center for Plant Stress Biology, Chinese Academy of Sciences, Shanghai, China
| | - Sixue Chen
- Development Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, China
- Plant Molecular and Cellular Biology Program, Department of Biology, Genetics Institute, Interdisciplinary Center for Biotechnology Research, University of Florida, Gainesville, FL, United States
| | - Zhiqiang Zhou
- Key Laboratory of Forest Plant Ecology, Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Alkali Soil Natural Environmental Science Center, Northeast Forestry University, Harbin, China
- *Correspondence: Shaojun Dai, Zhiqiang Zhou,
| | - Shaojun Dai
- Development Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, China
- Key Laboratory of Forest Plant Ecology, Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Alkali Soil Natural Environmental Science Center, Northeast Forestry University, Harbin, China
- *Correspondence: Shaojun Dai, Zhiqiang Zhou,
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17
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Hartl M, Füßl M, Boersema PJ, Jost JO, Kramer K, Bakirbas A, Sindlinger J, Plöchinger M, Leister D, Uhrig G, Moorhead GB, Cox J, Salvucci ME, Schwarzer D, Mann M, Finkemeier I. Lysine acetylome profiling uncovers novel histone deacetylase substrate proteins in Arabidopsis. Mol Syst Biol 2017; 13:949. [PMID: 29061669 PMCID: PMC5658702 DOI: 10.15252/msb.20177819] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Histone deacetylases have central functions in regulating stress defenses and development in plants. However, the knowledge about the deacetylase functions is largely limited to histones, although these enzymes were found in diverse subcellular compartments. In this study, we determined the proteome‐wide signatures of the RPD3/HDA1 class of histone deacetylases in Arabidopsis. Relative quantification of the changes in the lysine acetylation levels was determined on a proteome‐wide scale after treatment of Arabidopsis leaves with deacetylase inhibitors apicidin and trichostatin A. We identified 91 new acetylated candidate proteins other than histones, which are potential substrates of the RPD3/HDA1‐like histone deacetylases in Arabidopsis, of which at least 30 of these proteins function in nucleic acid binding. Furthermore, our analysis revealed that histone deacetylase 14 (HDA14) is the first organellar‐localized RPD3/HDA1 class protein found to reside in the chloroplasts and that the majority of its protein targets have functions in photosynthesis. Finally, the analysis of HDA14 loss‐of‐function mutants revealed that the activation state of RuBisCO is controlled by lysine acetylation of RuBisCO activase under low‐light conditions.
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Affiliation(s)
- Markus Hartl
- Plant Proteomics, Max Planck Institute for Plant Breeding Research, Cologne, Germany.,Plant Molecular Biology, Department Biology I, Ludwig-Maximilians-University Munich, Martinsried, Germany.,Mass Spectrometry Facility, Max F. Perutz Laboratories (MFPL), Vienna Biocenter (VBC), University of Vienna, Vienna, Austria
| | - Magdalena Füßl
- Plant Proteomics, Max Planck Institute for Plant Breeding Research, Cologne, Germany.,Plant Molecular Biology, Department Biology I, Ludwig-Maximilians-University Munich, Martinsried, Germany.,Plant Physiology, Institute of Plant Biology and Biotechnology, University of Muenster, Muenster, Germany
| | - Paul J Boersema
- Proteomics and Signal Transduction, Max-Planck Institute of Biochemistry, Martinsried, Germany
| | - Jan-Oliver Jost
- Interfaculty Institute of Biochemistry, University of Tübingen, Tübingen, Germany
| | - Katharina Kramer
- Plant Proteomics, Max Planck Institute for Plant Breeding Research, Cologne, Germany
| | - Ahmet Bakirbas
- Plant Proteomics, Max Planck Institute for Plant Breeding Research, Cologne, Germany.,Plant Physiology, Institute of Plant Biology and Biotechnology, University of Muenster, Muenster, Germany
| | - Julia Sindlinger
- Interfaculty Institute of Biochemistry, University of Tübingen, Tübingen, Germany
| | - Magdalena Plöchinger
- Plant Molecular Biology, Department Biology I, Ludwig-Maximilians-University Munich, Martinsried, Germany
| | - Dario Leister
- Plant Molecular Biology, Department Biology I, Ludwig-Maximilians-University Munich, Martinsried, Germany
| | - Glen Uhrig
- Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Greg Bg Moorhead
- Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Jürgen Cox
- Proteomics and Signal Transduction, Max-Planck Institute of Biochemistry, Martinsried, Germany
| | - Michael E Salvucci
- US Department of Agriculture, Agricultural Research Service, Arid-Land Agricultural Research Center, Maricopa, AZ, USA
| | - Dirk Schwarzer
- Interfaculty Institute of Biochemistry, University of Tübingen, Tübingen, Germany
| | - Matthias Mann
- Proteomics and Signal Transduction, Max-Planck Institute of Biochemistry, Martinsried, Germany
| | - Iris Finkemeier
- Plant Proteomics, Max Planck Institute for Plant Breeding Research, Cologne, Germany .,Plant Molecular Biology, Department Biology I, Ludwig-Maximilians-University Munich, Martinsried, Germany.,Plant Physiology, Institute of Plant Biology and Biotechnology, University of Muenster, Muenster, Germany
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18
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Wang X, Xu C, Cai X, Wang Q, Dai S. Heat-Responsive Photosynthetic and Signaling Pathways in Plants: Insight from Proteomics. Int J Mol Sci 2017; 18:E2191. [PMID: 29053587 PMCID: PMC5666872 DOI: 10.3390/ijms18102191] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 10/13/2017] [Accepted: 10/16/2017] [Indexed: 02/04/2023] Open
Abstract
Heat stress is a major abiotic stress posing a serious threat to plants. Heat-responsive mechanisms in plants are complicated and fine-tuned. Heat signaling transduction and photosynthesis are highly sensitive. Therefore, a thorough understanding of the molecular mechanism in heat stressed-signaling transduction and photosynthesis is necessary to protect crop yield. Current high-throughput proteomics investigations provide more useful information for underlying heat-responsive signaling pathways and photosynthesis modulation in plants. Several signaling components, such as guanosine triphosphate (GTP)-binding protein, nucleoside diphosphate kinase, annexin, and brassinosteroid-insensitive I-kinase domain interacting protein 114, were proposed to be important in heat signaling transduction. Moreover, diverse protein patterns of photosynthetic proteins imply that the modulations of stomatal CO₂ exchange, photosystem II, Calvin cycle, ATP synthesis, and chlorophyll biosynthesis are crucial for plant heat tolerance.
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Affiliation(s)
- Xiaoli Wang
- Shanghai Engineering Research Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China.
| | - Chenxi Xu
- Shanghai Engineering Research Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China.
| | - Xiaofeng Cai
- Shanghai Engineering Research Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China.
| | - Quanhua Wang
- Shanghai Engineering Research Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China.
| | - Shaojun Dai
- Shanghai Engineering Research Center of Plant Germplasm Resources, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China.
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19
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Duruflé H, Hervé V, Ranocha P, Balliau T, Zivy M, Chourré J, San Clemente H, Burlat V, Albenne C, Déjean S, Jamet E, Dunand C. Cell wall modifications of two Arabidopsis thaliana ecotypes, Col and Sha, in response to sub-optimal growth conditions: An integrative study. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2017; 263:183-193. [PMID: 28818374 DOI: 10.1016/j.plantsci.2017.07.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 07/12/2017] [Accepted: 07/18/2017] [Indexed: 05/20/2023]
Abstract
With the global temperature change, plant adaptations are predicted, but little is known about the molecular mechanisms underlying them. Arabidopsis thaliana is a model plant adapted to various environmental conditions, in particular able to develop along an altitudinal gradient. Two ecotypes, Columbia (Col) growing at low altitude, and Shahdara (Sha) growing at 3400m, have been studied at optimal and sub-optimal growth temperature (22°C vs 15°C). Macro- and micro-phenotyping, cell wall monosaccharides analyses, cell wall proteomics, and transcriptomics have been performed in order to accomplish an integrative analysis. The analysis has been focused on cell walls (CWs) which are assumed to play roles in response to environmental changes. At 15°C, both ecotypes presented characteristic morphological traits of low temperature growth acclimation such as reduced rosette diameter, increased number of leaves, modifications of their CW composition and cuticle reinforcement. Altogether, the integrative analysis has allowed identifying several candidate genes/proteins possibly involved in the cell wall modifications observed during the temperature acclimation response.
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Affiliation(s)
- Harold Duruflé
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Vincent Hervé
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Philippe Ranocha
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Thierry Balliau
- CNRS, PAPPSO, UMR 0320/UMR 8120 Génétique Végétale, 91190 Gif sur Yvette, France; INRA, PAPPSO, UMR 0320/UMR 8120 Génétique Végétale, 91190 Gif sur Yvette, France
| | - Michel Zivy
- CNRS, PAPPSO, UMR 0320/UMR 8120 Génétique Végétale, 91190 Gif sur Yvette, France; INRA, PAPPSO, UMR 0320/UMR 8120 Génétique Végétale, 91190 Gif sur Yvette, France
| | - Josiane Chourré
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Hélène San Clemente
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Vincent Burlat
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Cécile Albenne
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Sébastien Déjean
- Institut de Mathématique de Toulouse, Université de Toulouse, CNRS, UPS, 31062 Toulouse, France
| | - Elisabeth Jamet
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France.
| | - Christophe Dunand
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France.
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20
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Bernardo L, Morcia C, Carletti P, Ghizzoni R, Badeck FW, Rizza F, Lucini L, Terzi V. Proteomic insight into the mitigation of wheat root drought stress by arbuscular mycorrhizae. J Proteomics 2017; 169:21-32. [PMID: 28366879 DOI: 10.1016/j.jprot.2017.03.024] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 03/20/2017] [Accepted: 03/28/2017] [Indexed: 10/19/2022]
Abstract
Arbuscular mycorrhizal fungi (AMF) are plant growth promoters that ameliorate plant-water relations and the nutrient uptake of wheat. In this work, two cultivars of Triticum spp., a bread and a durum wheat, grown under drought stress and inoculated or not by AMF, are evaluated through a shotgun proteomic approach. The AMF association had beneficial effects as compared to non-mycorrhizal roots, in both bread and durum wheat. The beneficial symbiosis was confirmed by measuring morphological and physiological traits. In our work, we identified 50 statistically differential proteins in the bread wheat cultivar and 66 differential proteins in the durum wheat cultivar. The findings highlighted a modulation of proteins related to sugar metabolism, cell wall rearrangement, cytoskeletal organization and sulphur-containing proteins, as well as proteins related to plant stress responses. Among differentially expressed proteins both cultivars evidenced a decrease in sucrose:fructan 6-fructosyltransferas. In durum wheat oxylipin signalling pathway was involved with two proteins: increased 12-oxo-phytodienoic acid reductase and decreased jasmonate-induced protein, both related to the biosynthesis of jasmonic acid. Interactome analysis highlighted the possible involvement of ubiquitin although not evidenced among differentially expressed proteins. The AMF association helps wheat roots reducing the osmotic stress and maintaining cellular integrity. BIOLOGICAL SIGNIFICANCE Drought is one of the major constraints that plants must face in some areas of the world, associated to climate change, negatively affecting the worldwide plant productivity. The adoption of innovative agronomic protocols may represent a winning strategy in facing this challenge. The arbuscular mycorrhizal fungi (AMF) inoculation may represent a natural and sustainable way to mitigate the negative effects due to drought in several crop, ameliorating plant growth and development. Studies on the proteomic responses specific to AMF in drought-stressed plants will help clarify how mycorrhization elicits plant growth, nutrient uptake, and stress-tolerance responses. Such studies also offer the potential to find biological markers and genetic targets to be used during breeding for new drought-resistant varieties.
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Affiliation(s)
- Letizia Bernardo
- Genomics Research Centre (CREA-GPG), Council for Agricultural Research and Economics, Via San Protaso 302, I-29017 Fiorenzuola d'Arda, PC, Italy.
| | - Caterina Morcia
- Genomics Research Centre (CREA-GPG), Council for Agricultural Research and Economics, Via San Protaso 302, I-29017 Fiorenzuola d'Arda, PC, Italy
| | - Paolo Carletti
- Department of Agronomy, Food, Natural Resources, Animals and Environment, University of Padua, Viale dell'Università, 16, I-35020 Legnaro, PD, Italy
| | - Roberta Ghizzoni
- Genomics Research Centre (CREA-GPG), Council for Agricultural Research and Economics, Via San Protaso 302, I-29017 Fiorenzuola d'Arda, PC, Italy
| | - Franz W Badeck
- Genomics Research Centre (CREA-GPG), Council for Agricultural Research and Economics, Via San Protaso 302, I-29017 Fiorenzuola d'Arda, PC, Italy
| | - Fulvia Rizza
- Genomics Research Centre (CREA-GPG), Council for Agricultural Research and Economics, Via San Protaso 302, I-29017 Fiorenzuola d'Arda, PC, Italy
| | - Luigi Lucini
- Institute of Environmental and Agricultural Chemistry, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, I-29122 PC, Italy
| | - Valeria Terzi
- Genomics Research Centre (CREA-GPG), Council for Agricultural Research and Economics, Via San Protaso 302, I-29017 Fiorenzuola d'Arda, PC, Italy
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