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Schlößer M, Moseler A, Bodnar Y, Homagk M, Wagner S, Pedroletti L, Gellert M, Ugalde JM, Lillig CH, Meyer AJ. Localization of four class I glutaredoxins in the cytosol and the secretory pathway and characterization of their biochemical diversification. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 118:1455-1474. [PMID: 38394181 DOI: 10.1111/tpj.16687] [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: 09/06/2023] [Revised: 01/31/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024]
Abstract
Class I glutaredoxins (GRXs) are catalytically active oxidoreductases and considered key proteins mediating reversible glutathionylation and deglutathionylation of protein thiols during development and stress responses. To narrow in on putative target proteins, it is mandatory to know the subcellular localization of the respective GRXs and to understand their catalytic activities and putative redundancy between isoforms in the same compartment. We show that in Arabidopsis thaliana, GRXC1 and GRXC2 are cytosolic proteins with GRXC1 being attached to membranes through myristoylation. GRXC3 and GRXC4 are identified as type II membrane proteins along the early secretory pathway with their enzymatic function on the luminal side. Unexpectedly, neither single nor double mutants lacking both GRXs isoforms in the cytosol or the ER show phenotypes that differ from wild-type controls. Analysis of electrostatic surface potentials and clustering of GRXs based on their electrostatic interaction with roGFP2 mirrors the phylogenetic classification of class I GRXs, which clearly separates the cytosolic GRXC1 and GRXC2 from the luminal GRXC3 and GRXC4. Comparison of all four studied GRXs for their oxidoreductase function highlights biochemical diversification with GRXC3 and GRXC4 being better catalysts than GRXC1 and GRXC2 for the reduction of bis(2-hydroxyethyl) disulfide. With oxidized roGFP2 as an alternative substrate, GRXC1 and GRXC2 catalyze the reduction faster than GRXC3 and GRXC4, which suggests that catalytic efficiency of GRXs in reductive reactions depends on the respective substrate. Vice versa, GRXC3 and GRXC4 are faster than GRXC1 and GRXC2 in catalyzing the oxidation of pre-reduced roGFP2 in the reverse reaction.
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Affiliation(s)
- Michelle Schlößer
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, D-53113, Bonn, Germany
| | - Anna Moseler
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, D-53113, Bonn, Germany
| | - Yana Bodnar
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, Ferdinand-Sauerbruch-Straße, D-17475, Greifswald, Germany
| | - Maria Homagk
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, D-53113, Bonn, Germany
| | - Stephan Wagner
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, D-53113, Bonn, Germany
| | - Luca Pedroletti
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, D-53113, Bonn, Germany
| | - Manuela Gellert
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, Ferdinand-Sauerbruch-Straße, D-17475, Greifswald, Germany
| | - José M Ugalde
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, D-53113, Bonn, Germany
| | - Christopher H Lillig
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, Ferdinand-Sauerbruch-Straße, D-17475, Greifswald, Germany
| | - Andreas J Meyer
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, D-53113, Bonn, Germany
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Jain D, Schmidt W. Protein Phosphorylation Orchestrates Acclimations of Arabidopsis Plants to Environmental pH. Mol Cell Proteomics 2024; 23:100685. [PMID: 38000714 PMCID: PMC10837763 DOI: 10.1016/j.mcpro.2023.100685] [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: 02/05/2023] [Revised: 10/18/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023] Open
Abstract
Environment pH (pHe) is a key parameter dictating a surfeit of conditions critical to plant survival and fitness. To elucidate the mechanisms that recalibrate cytoplasmic and apoplastic pH homeostasis, we conducted a comprehensive proteomic/phosphoproteomic inventory of plants subjected to transient exposure to acidic or alkaline pH, an approach that covered the majority of protein-coding genes of the reference plant Arabidopsis thaliana. Our survey revealed a large set-of so far undocumented pHe-dependent phospho-sites, indicative of extensive post-translational regulation of proteins involved in the acclimation to pHe. Changes in pHe altered both electrogenic H+ pumping via P-type ATPases and H+/anion co-transport processes, putatively leading to altered net trans-plasma membrane translocation of H+ ions. In pH 7.5 plants, the transport (but not the assimilation) of nitrogen via NRT2-type nitrate and AMT1-type ammonium transporters was induced, conceivably to increase the cytosolic H+ concentration. Exposure to both acidic and alkaline pH resulted in a marked repression of primary root elongation. No such cessation was observed in nrt2.1 mutants. Alkaline pH decreased the number of root hairs in the wild type but not in nrt2.1 plants, supporting a role of NRT2.1 in developmental signaling. Sequestration of iron into the vacuole via alterations in protein abundance of the vacuolar iron transporter VTL5 was inversely regulated in response to high and low pHe, presumptively in anticipation of associated changes in iron availability. A pH-dependent phospho-switch was also observed for the ABC transporter PDR7, suggesting changes in activity and, possibly, substrate specificity. Unexpectedly, the effect of pHe was not restricted to roots and provoked pronounced changes in the shoot proteome. In both roots and shoots, the plant-specific TPLATE complex components AtEH1 and AtEH2-essential for clathrin-mediated endocytosis-were differentially phosphorylated at multiple sites in response to pHe, indicating that the endocytic cargo protein trafficking is orchestrated by pHe.
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Affiliation(s)
- Dharmesh Jain
- Molecular and Biological Agricultural Sciences Program, Taiwan International Graduate Program, Academia Sinica and National Chung-Hsing University, Taipei, Taiwan; Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, Taiwan; Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan
| | - Wolfgang Schmidt
- Molecular and Biological Agricultural Sciences Program, Taiwan International Graduate Program, Academia Sinica and National Chung-Hsing University, Taipei, Taiwan; Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan; Biotechnology Center, National Chung-Hsing University, Taichun, Taiwan; Genome and Systems Biology Degree Program, College of Life Science, National Taiwan University, Taipei, Taiwan.
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Prusty S, Sahoo RK, Nayak S, Poosapati S, Swain DM. Proteomic and Genomic Studies of Micronutrient Deficiency and Toxicity in Plants. PLANTS 2022; 11:plants11182424. [PMID: 36145825 PMCID: PMC9501179 DOI: 10.3390/plants11182424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 09/02/2022] [Accepted: 09/04/2022] [Indexed: 11/21/2022]
Abstract
Micronutrients are essential for plants. Their growth, productivity and reproduction are directly influenced by the supply of micronutrients. Currently, there are eight trace elements considered to be essential for higher plants: Fe, Zn, Mn, Cu, Ni, B, Mo, and Cl. Possibly, other essential elements could be discovered because of recent advances in nutrient solution culture techniques and in the commercial availability of highly sensitive analytical instrumentation for elemental analysis. Much remains to be learned about the physiology of micronutrient absorption, translocation and deposition in plants, and about the functions they perform in plant growth and development. With the recent advancements in the proteomic and molecular biology tools, researchers have attempted to explore and address some of these questions. In this review, we summarize the current knowledge of micronutrients in plants and the proteomic/genomic approaches used to study plant nutrient deficiency and toxicity.
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Affiliation(s)
- Suchismita Prusty
- Department of Biotechnology, Centurion University of Technology and Management, Bhubaneswar 752050, Odisha, India
| | - Ranjan Kumar Sahoo
- Department of Biotechnology, Centurion University of Technology and Management, Bhubaneswar 752050, Odisha, India
| | - Subhendu Nayak
- Division of Health Sciences, The Clorox Company, 210W Pettigrew Street, Durham, NC 27701, USA
| | - Sowmya Poosapati
- Division of Biological Sciences, Cell and Developmental Biology Section, University of California, San Diego, CA 92093, USA
- Correspondence: (S.P.); (D.M.S.)
| | - Durga Madhab Swain
- Division of Biological Sciences, Cell and Developmental Biology Section, University of California, San Diego, CA 92093, USA
- Correspondence: (S.P.); (D.M.S.)
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Urwat U, Ahmad SM, Masi A, Ganai NA, Murtaza I, Khan I, Zargar SM. Fe and Zn stress induced gene expression analysis unraveled mechanisms of mineral homeostasis in common bean (Phaseolus vulgaris L.). Sci Rep 2021; 11:24026. [PMID: 34912040 PMCID: PMC8674274 DOI: 10.1038/s41598-021-03506-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 11/26/2021] [Indexed: 11/09/2022] Open
Abstract
Iron (Fe) and zinc (Zn) stress significantly affects fundamental metabolic and physiological processes in plants that results in reduction of plant growth and development. In the present study, common bean variety; Shalimar French Bean-1 (SFB-1) was used as an experimental material. Four different MGRL media i.e. normal MGRL medium (Control), media without Fe (0-Fe), media without Zn (0-Zn) and media with excess Zn (300-Zn) were used for growing seeds of SFB-1 under in vitro condition for three weeks under optimum conditions. Three week old shoot and root tissues were harvested from the plants grown in these four different in vitro conditions and were, subjected to Fe and Zn estimation. Further, extraction of total RNA for differential gene expression of ten candidate genes selected based on our in silico investigation and their classification, phylogeny and expression pattern was unraveled. Expression analysis of three candidate genes (OPT3, NRAMP2 and NRAMP3) in roots revealed possible cross talk among Fe/Zn stress that was further confirmed by observing less accumulation of Fe in roots under both these conditions. However, we observed, higher accumulation of Fe in shoots under 0-Fe condition compared to control that suggests precise sensing for priority based compartmentalization and partitioning leading to higher accumulation of Fe in shoots. Furthermore, the expression analysis of IRT1, FRO1 and Ferritin 1 genes under Fe/Zn stress suggested their role in uptake/transport and signaling of Fe and Zn, whereas the expression of ZIP2, NRAMP1, HA2 and GLP1 genes were highly responsive to Zn in Phaseolus vulgaris. The identified genes highly responsive to Fe and Zn stress condition can be potential candidates for overcoming mineral stress in dicot crop plants.
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Affiliation(s)
- Uneeb Urwat
- grid.444725.40000 0004 0500 6225Proteomics Laboratory, Division of Plant Biotechnology, Sher-E-Kashmir University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, Jammu & Kashmir, India
| | - Syed Mudasir Ahmad
- grid.444725.40000 0004 0500 6225Division of Animal Biotechnology, Sher-E-Kashmir University of Agricultural Sciences & Technology of Kashmir, Shuhama Campus, Jammu & Kashmir, India
| | - Antonio Masi
- grid.5608.b0000 0004 1757 3470Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Padova, Italy
| | - Nazir Ahmad Ganai
- grid.444725.40000 0004 0500 6225Division of Animal Biotechnology, Sher-E-Kashmir University of Agricultural Sciences & Technology of Kashmir, Shuhama Campus, Jammu & Kashmir, India
| | - Imtiyaz Murtaza
- grid.444725.40000 0004 0500 6225Divisions of Basic Sciences, Sher-E-Kashmir University of Agricultural Sciences & Technology of Kashmir, Shuhama Campus, Jammu & Kashmir, India
| | - Imran Khan
- grid.444725.40000 0004 0500 6225Division of Statistics, Sher-E-Kashmir University of Agricultural Sciences & Technology of Kashmir, Shuhama Campus, Jammu & Kashmir, India
| | - Sajad Majeed Zargar
- Proteomics Laboratory, Division of Plant Biotechnology, Sher-E-Kashmir University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, Jammu & Kashmir, India.
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5
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Fan X, Zhou X, Chen H, Tang M, Xie X. Cross-Talks Between Macro- and Micronutrient Uptake and Signaling in Plants. FRONTIERS IN PLANT SCIENCE 2021; 12:663477. [PMID: 34721446 PMCID: PMC8555580 DOI: 10.3389/fpls.2021.663477] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 08/30/2021] [Indexed: 05/05/2023]
Abstract
In nature, land plants as sessile organisms are faced with multiple nutrient stresses that often occur simultaneously in soil. Nitrogen (N), phosphorus (P), sulfur (S), zinc (Zn), and iron (Fe) are five of the essential nutrients that affect plant growth and health. Although these minerals are relatively inaccessible to plants due to their low solubility and relative immobilization, plants have adopted coping mechanisms for survival under multiple nutrient stress conditions. The double interactions between N, Pi, S, Zn, and Fe have long been recognized in plants at the physiological level. However, the molecular mechanisms and signaling pathways underlying these cross-talks in plants remain poorly understood. This review preliminarily examined recent progress and current knowledge of the biochemical and physiological interactions between macro- and micro-mineral nutrients in plants and aimed to focus on the cross-talks between N, Pi, S, Zn, and Fe uptake and homeostasis in plants. More importantly, we further reviewed current studies on the molecular mechanisms underlying the cross-talks between N, Pi, S, Zn, and Fe homeostasis to better understand how these nutrient interactions affect the mineral uptake and signaling in plants. This review serves as a basis for further studies on multiple nutrient stress signaling in plants. Overall, the development of an integrative study of multiple nutrient signaling cross-talks in plants will be of important biological significance and crucial to sustainable agriculture.
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Affiliation(s)
| | | | | | - Ming Tang
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
| | - Xianan Xie
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
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6
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Amini S, Arsova B, Gobert S, Carnol M, Bosman B, Motte P, Watt M, Hanikenne M. Transcriptional regulation of ZIP genes is independent of local zinc status in Brachypodium shoots upon zinc deficiency and resupply. PLANT, CELL & ENVIRONMENT 2021; 44:3376-3397. [PMID: 34263935 DOI: 10.1111/pce.14151] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 07/05/2021] [Accepted: 07/10/2021] [Indexed: 06/13/2023]
Abstract
The biological processes underlying zinc homeostasis are targets for genetic improvement of crops to counter human malnutrition. Detailed phenotyping, ionomic, RNA-Seq analyses and flux measurements with 67 Zn isotope revealed whole-plant molecular events underlying zinc homeostasis upon varying zinc supply and during zinc resupply to starved Brachypodium distachyon (Brachypodium) plants. Although both zinc deficiency and excess hindered Brachypodium growth, accumulation of biomass and micronutrients into roots and shoots differed depending on zinc supply. The zinc resupply dynamics involved 1,893 zinc-responsive genes. Multiple zinc-regulated transporter and iron-regulated transporter (IRT)-like protein (ZIP) transporter genes and dozens of other genes were rapidly and transiently down-regulated in early stages of zinc resupply, suggesting a transient zinc shock, sensed locally in roots. Notably, genes with identical regulation were observed in shoots without zinc accumulation, pointing to root-to-shoot signals mediating whole-plant responses to zinc resupply. Molecular events uncovered in the grass model Brachypodium are useful for the improvement of staple monocots.
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Affiliation(s)
- Sahand Amini
- InBioS - PhytoSystems, Functional Genomics and Plant Molecular Imaging, University of Liège, Liège, Belgium
| | - Borjana Arsova
- Root Dynamics Group, IBG-2 - Plant Sciences, Institut für Bio- und Geowissenschaften (IBG), Forschungszentrum Jülich, Jülich, Germany
| | - Sylvie Gobert
- Laboratory of Oceanology, MARE Center, FOCUS, University of Liège, Liège, Belgium
- Station de Recherches Sous-Marines et Océanographiques (STARESO), Pointe de la Revellata, Calvi, France
| | - Monique Carnol
- InBioS - PhytoSystems, Laboratory of Plant and Microbial Ecology, Department of Biology, Ecology, Evolution, University of Liège, Liège, Belgium
| | - Bernard Bosman
- InBioS - PhytoSystems, Laboratory of Plant and Microbial Ecology, Department of Biology, Ecology, Evolution, University of Liège, Liège, Belgium
| | - Patrick Motte
- InBioS - PhytoSystems, Functional Genomics and Plant Molecular Imaging, University of Liège, Liège, Belgium
| | - Michelle Watt
- Root Dynamics Group, IBG-2 - Plant Sciences, Institut für Bio- und Geowissenschaften (IBG), Forschungszentrum Jülich, Jülich, Germany
| | - Marc Hanikenne
- InBioS - PhytoSystems, Functional Genomics and Plant Molecular Imaging, University of Liège, Liège, Belgium
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7
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Shinozaki D, Tanoi K, Yoshimoto K. Optimal Distribution of Iron to Sink Organs via Autophagy Is Important for Tolerance to Excess Zinc in Arabidopsis. PLANT & CELL PHYSIOLOGY 2021; 62:515-527. [PMID: 33528512 DOI: 10.1093/pcp/pcab017] [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: 12/21/2020] [Accepted: 01/26/2021] [Indexed: 06/12/2023]
Abstract
Zinc (Zn) is nutritionally an essential metal element, but excess Zn in the environment is toxic to plants. Autophagy is a major pathway responsible for intracellular degradation. Here, we demonstrate the important role of autophagy in adaptation to excess Zn stress. We found that autophagy-defective Arabidopsis thaliana (atg2 and atg5) exhibited marked excess Zn-induced chlorosis and growth defects relative to wild-type (WT). Imaging and biochemical analyses revealed that autophagic activity was elevated under excess Zn. Interestingly, the excess Zn symptoms of atg5 were alleviated by supplementation of high levels of iron (Fe) to the media. Under excess Zn, in atg5, Fe starvation was especially severe in juvenile true leaves. Consistent with this, accumulation levels of Fe3+ near the shoot apical meristem remarkably reduced in atg5. Furthermore, excision of cotyledons induced severe excess Zn symptoms in WT, similar to those observed in atg5.Our data suggest that Fe3+ supplied from source leaves (cotyledons) via autophagy is distributed to sink leaves (true leaves) to promote healthy growth under excess Zn, revealing a new dimension, the importance of heavy-metal stress responses by the intracellular recycling.
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Affiliation(s)
- Daiki Shinozaki
- Department of Life Sciences, School of Agriculture, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki, Kanagawa, 214-8571 Japan
- Life Sciences Program, Graduate School of Agriculture, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki, Kanagawa, 214-8571 Japan
| | - Keitaro Tanoi
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657 Japan
| | - Kohki Yoshimoto
- Department of Life Sciences, School of Agriculture, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki, Kanagawa, 214-8571 Japan
- Life Sciences Program, Graduate School of Agriculture, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki, Kanagawa, 214-8571 Japan
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8
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Pacheco JM, Canal MV, Pereyra CM, Welchen E, Martínez-Noël GMA, Estevez JM. The tip of the iceberg: emerging roles of TORC1, and its regulatory functions in plant cells. JOURNAL OF EXPERIMENTAL BOTANY 2021; 72:4085-4101. [PMID: 33462577 DOI: 10.1093/jxb/eraa603] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 12/19/2020] [Indexed: 06/12/2023]
Abstract
Target of Rapamycin (TOR) is an evolutionarily conserved protein kinase that plays a central role in coordinating cell growth with light availability, the diurnal cycle, energy availability, and hormonal pathways. TOR Complex 1 (TORC1) controls cell proliferation, growth, metabolism, and defense in plants. Sugar availability is the main signal for activation of TOR in plants, as it also is in mammals and yeast. Specific regulators of the TOR kinase pathway in plants are inorganic compounds in the form of major nutrients in the soils, and light inputs via their impact on autotrophic metabolism. The lack of TOR is embryo-lethal in plants, whilst dysregulation of TOR signaling causes major alterations in growth and development. TOR exerts control as a regulator of protein translation via the action of proteins such as S6K, RPS6, and TAP46. Phytohormones are central players in the downstream systemic physiological TOR effects. TOR has recently been attributed to have roles in the control of DNA methylation, in the abundance of mRNA splicing variants, and in the variety of regulatory lncRNAs and miRNAs. In this review, we summarize recent discoveries in the plant TOR signaling pathway in the context of our current knowledge of mammalian and yeast cells, and highlight the most important gaps in our understanding of plants that need to be addressed in the future.
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Affiliation(s)
| | - María Victoria Canal
- Instituto de Agrobiotecnología del Litoral (CONICET-UNL), Cátedra de Biología Celular y Molecular, Facultad de Bioquímica y Ciencias Biológicas,, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Cintia M Pereyra
- Instituto de Investigaciones en Biodiversidad y Biotecnología (INBIOTEC-CONICET) and Fundación para Investigaciones Biológicas Aplicadas (FIBA), Vieytes, Mar Del Plata, Argentina
| | - Elina Welchen
- Instituto de Agrobiotecnología del Litoral (CONICET-UNL), Cátedra de Biología Celular y Molecular, Facultad de Bioquímica y Ciencias Biológicas,, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Giselle M A Martínez-Noël
- Instituto de Investigaciones en Biodiversidad y Biotecnología (INBIOTEC-CONICET) and Fundación para Investigaciones Biológicas Aplicadas (FIBA), Vieytes, Mar Del Plata, Argentina
| | - José M Estevez
- Fundación Instituto Leloir and IIBBA-CONICET, Buenos Aires CP, Argentina
- Centro de Biotecnología Vegetal (CBV), Facultad de Ciencias de la Vida (FCsV), Universidad Andres Bello, Santiago, Chile and Millennium Institute for Integrative Biology (iBio), Santiago, Chile
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9
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Membrane Profiling by Free Flow Electrophoresis and SWATH-MS to Characterize Subcellular Compartment Proteomes in Mesembryanthemum crystallinum. Int J Mol Sci 2021; 22:ijms22095020. [PMID: 34065142 PMCID: PMC8126025 DOI: 10.3390/ijms22095020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/04/2021] [Accepted: 05/06/2021] [Indexed: 01/11/2023] Open
Abstract
The study of subcellular membrane structure and function facilitates investigations into how biological processes are divided within the cell. However, work in this area has been hampered by the limited techniques available to fractionate the different membranes. Free Flow Electrophoresis (FFE) allows for the fractionation of membranes based on their different surface charges, a property made up primarily of their varied lipid and protein compositions. In this study, high-resolution plant membrane fractionation by FFE, combined with mass spectrometry-based proteomics, allowed the simultaneous profiling of multiple cellular membranes from the leaf tissue of the plant Mesembryanthemum crystallinum. Comparisons of the fractionated membranes’ protein profile to that of known markers for specific cellular compartments sheds light on the functions of proteins, as well as provides new evidence for multiple subcellular localization of several proteins, including those involved in lipid metabolism.
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10
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Insights into role of STP13 in sugar driven signaling that leads to decrease in photosynthesis in dicot legume crop model (Phaseolus vulgaris L.) under Fe and Zn stress. Mol Biol Rep 2021; 48:2527-2531. [PMID: 33783682 DOI: 10.1007/s11033-021-06295-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 03/16/2021] [Indexed: 10/21/2022]
Abstract
Mineral (Fe/Zn) stress significantly affects fundamental metabolic and physiological responses in plants that results in reduction of plant growth and development. Deficiency of these micronutrients leads to inhibition of photosynthesis by having impact on various crucial biological processes like protein synthesis, primary and secondary metabolism and carbohydrate partitioning between source and sink tissues. In the present study, common bean variety Shalimar French Bean-1 (SFB-1) plants were used as an experimental material and were grown under in vitro condition on four different MGRL media i.e. normal MGRL medium (Control), MGRL without Fe (0-Fe), MGRL without Zinc (0-Zn) and MGRL with excess Zn (300-Zn) for 21 days under optimum conditions. Shoot and root tissues from all the treatments were harvested and further subjected to estimation of total chlorophyll, total sugar and extraction of total RNA for differential gene expression of sugar transporter 13 (STP13). We observed significant decrease in total chlorophyll content in samples harvested from mineral stress plants. However, the concentration of total sugar and fold expression of STP13 gene was significantly higher in shoots of Fe/Zn stressed and in roots of 300-Zn plants. We observed higher accumulation of sugar under stress condition that correlated with high expression of sugar transporter 13 (STP 13). Further, we observed decrease in the chlorophyll content under stress conditions. Based on these findings, we propose the role of sugar driven signaling in decreasing photosynthesis in case of common bean. The decrease in photosynthesis is confirmed by observing significant decrease in chlorophyll content in stressed plants.
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11
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Hanikenne M, Esteves SM, Fanara S, Rouached H. Coordinated homeostasis of essential mineral nutrients: a focus on iron. JOURNAL OF EXPERIMENTAL BOTANY 2021; 72:2136-2153. [PMID: 33175167 DOI: 10.1093/jxb/eraa483] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 10/13/2020] [Indexed: 05/22/2023]
Abstract
In plants, iron (Fe) transport and homeostasis are highly regulated processes. Fe deficiency or excess dramatically limits plant and algal productivity. Interestingly, complex and unexpected interconnections between Fe and various macro- and micronutrient homeostatic networks, supposedly maintaining general ionic equilibrium and balanced nutrition, are currently being uncovered. Although these interactions have profound consequences for our understanding of Fe homeostasis and its regulation, their molecular bases and biological significance remain poorly understood. Here, we review recent knowledge gained on how Fe interacts with micronutrient (e.g. zinc, manganese) and macronutrient (e.g. sulfur, phosphate) homeostasis, and on how these interactions affect Fe uptake and trafficking. Finally, we highlight the importance of developing an improved model of how Fe signaling pathways are integrated into functional networks to control plant growth and development in response to fluctuating environments.
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Affiliation(s)
- Marc Hanikenne
- InBioS - PhytoSystems, Functional Genomics and Plant Molecular Imaging, University of Liège, 4000 Liège, Belgium
| | - Sara M Esteves
- InBioS - PhytoSystems, Functional Genomics and Plant Molecular Imaging, University of Liège, 4000 Liège, Belgium
| | - Steven Fanara
- InBioS - PhytoSystems, Functional Genomics and Plant Molecular Imaging, University of Liège, 4000 Liège, Belgium
| | - Hatem Rouached
- BPMP, Univ. Montpellier, CNRS, INRA, Montpellier SupAgro, Montpellier, France
- Department of Plant, Soil, and Microbial Sciences, Michigan State University, East Lansing, MI, USA
- Plant Resilience Institute, Michigan State University, East Lansing, MI, USA
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12
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Tang Y, Huang A, Gu Y. Global profiling of plant nuclear membrane proteome in Arabidopsis. NATURE PLANTS 2020; 6:838-847. [PMID: 32601417 DOI: 10.1038/s41477-020-0700-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 05/18/2020] [Indexed: 05/26/2023]
Abstract
The nuclear envelope (NE) is structurally and functionally vital for eukaryotic cells, yet its protein constituents and their functions are poorly understood in plants. Here, we combined subtractive proteomics and proximity-labelling technology coupled with quantitative mass spectrometry to understand the landscape of NE membrane proteins in Arabidopsis. We identified ~200 potential candidates for plant NE transmembrane (PNET) proteins, which unravelled the compositional diversity and uniqueness of the plant NE. One of the candidates, named PNET1, is a homologue of human TMEM209, a critical driver for lung cancer. A functional investigation revealed that PNET1 is a bona fide nucleoporin in plants. It displays both physical and genetic interactions with the nuclear pore complex (NPC) and is essential for embryo development and reproduction in different NPC contexts. Our study substantially enlarges the plant NE proteome and sheds new light on the membrane composition and function of the NPC.
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Affiliation(s)
- Yu Tang
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, USA
| | - Aobo Huang
- Tsinghua-Peking Joint Center for Life Sciences, Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Yangnan Gu
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, USA.
- Innovative Genomics Institute, University of California, Berkeley, CA, USA.
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13
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Hu X, Jia T, Hörtensteiner S, Tanaka A, Tanaka R. Subcellular localization of chlorophyllase2 reveals it is not involved in chlorophyll degradation during senescence in Arabidopsis thaliana. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2020; 290:110314. [PMID: 31779896 DOI: 10.1016/j.plantsci.2019.110314] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 10/09/2019] [Accepted: 10/14/2019] [Indexed: 05/21/2023]
Abstract
Chlorophyllase (CLH), which catalyzes the release of the phytol chain from chlorophyll (Chl), has been long considered to catalyze the first step of Chl degradation. Arabidopsis contains two isoforms of CLH (CLH1 and CLH2), and CLH1 was previously demonstrated to be localized in tonoplast and endoplasmic reticulum, and not be involved in Chl degradation. In contrast, CLH2 possesses a predicted signal-peptide for chloroplast localization, and phylogenetic analysis of CLHs in Arabidopsis and other species also indicate that CLH2 forms a different clade than CLH1. Therefore, the possibility remains that CLH2 is involved in the breakdown of Chl. In the current study, clh mutants lacking CLH2 or both CLH isoforms were analyzed after the induction of senescence. Results indicated that the clh knockout lines were still able to degrade Chl at the same rate as wild-type plants. Transgenic Arabidopsis plants were generated that constitutively expressed either CLH2 or CLH2 fused to a yellow fluorescent protein (YFP). Observations made using confocal microscopy indicated that CLH2-YFP was located external to chloroplasts. Additionally, in overexpression plants, CLH2 was enriched in tonoplast and endoplasmic reticulum fractions following membrane fractionation. Based on the collective data, we conclude that CLH2 is not involved in Chl breakdown during senescence in Arabidopsis.
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Affiliation(s)
- Xueyun Hu
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, China
| | - Ting Jia
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
| | - Stefan Hörtensteiner
- Department of Plant and Microbial Biology, University of Zurich, Zollikerstrasse 107, CH-8008 Zurich, Switzerland
| | - Ayumi Tanaka
- Institute of Low Temperature Science, Hokkaido University, N19W8, Kita-ku, Sapporo 060-0819, Japan
| | - Ryouichi Tanaka
- Institute of Low Temperature Science, Hokkaido University, N19W8, Kita-ku, Sapporo 060-0819, Japan.
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14
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Navazio L, Formentin E, Cendron L, Szabò I. Chloroplast Calcium Signaling in the Spotlight. FRONTIERS IN PLANT SCIENCE 2020; 11:186. [PMID: 32226434 PMCID: PMC7081724 DOI: 10.3389/fpls.2020.00186] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 02/07/2020] [Indexed: 05/22/2023]
Abstract
Calcium has long been known to regulate the metabolism of chloroplasts, concerning both light and carbon reactions of photosynthesis, as well as additional non photosynthesis-related processes. In addition to undergo Ca2+ regulation, chloroplasts can also influence the overall Ca2+ signaling pathways of the plant cell. Compelling evidence indicate that chloroplasts can generate specific stromal Ca2+ signals and contribute to the fine tuning of cytoplasmic Ca2+ signaling in response to different environmental stimuli. The recent set up of a toolkit of genetically encoded Ca2+ indicators, targeted to different chloroplast subcompartments (envelope, stroma, thylakoids) has helped to unravel the participation of chloroplasts in intracellular Ca2+ handling in resting conditions and during signal transduction. Intra-chloroplast Ca2+ signals have been demonstrated to occur in response to specific environmental stimuli, suggesting a role for these plant-unique organelles in transducing Ca2+-mediated stress signals. In this mini-review we present current knowledge of stimulus-specific intra-chloroplast Ca2+ transients, as well as recent advances in the identification and characterization of Ca2+-permeable channels/transporters localized at chloroplast membranes. In particular, the potential role played by cMCU, a chloroplast-localized member of the mitochondrial calcium uniporter (MCU) family, as component of plant environmental sensing is discussed in detail, taking into account some specific structural features of cMCU. In summary, the recent molecular identification of some players of chloroplast Ca2+ signaling has opened new avenues in this rapidly developing field and will hopefully allow a deeper understanding of the role of chloroplasts in shaping physiological responses in plants.
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Affiliation(s)
- Lorella Navazio
- Department of Biology, University of Padova, Padova, Italy
- Botanical Garden, University of Padova, Padova, Italy
| | - Elide Formentin
- Department of Biology, University of Padova, Padova, Italy
- Botanical Garden, University of Padova, Padova, Italy
| | - Laura Cendron
- Department of Biology, University of Padova, Padova, Italy
| | - Ildikò Szabò
- Department of Biology, University of Padova, Padova, Italy
- Botanical Garden, University of Padova, Padova, Italy
- *Correspondence: Ildikò Szabò,
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15
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Hu Y, Zhu YF, Guo AX, Jia XM, Cheng L, Zhao T, Wang YX. Transcriptome analysis in Malus halliana roots in response to iron deficiency reveals insight into sugar regulation. Mol Genet Genomics 2018; 293:1523-1534. [PMID: 30101382 DOI: 10.1007/s00438-018-1479-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 08/06/2018] [Indexed: 12/15/2022]
Abstract
Iron (Fe) deficiency is a frequent nutritional problem limiting apple production in calcareous soils. The utilization of rootstock that is resistant to Fe deficiency is an effective way to solve this problem. Malus halliana is an Fe deficiency-tolerant rootstock; however, few molecular studies have been conducted on M. halliana. In the present work, a transcriptome analysis was combined with qRT-PCR and sugar measurements to investigate Fe deficiency responses in M. halliana roots at 0 h (T1), 12 h (T2) and 72 h (T3) after Fe deficiency stress. Total of 2473, 661, and 776 differentially expressed genes (DEGs) were identified in the pairs of T2 vs. T1, T3 vs. T1, and T3 vs. T2, respectively. Several DEGs were enriched in the photosynthesis, glycolysis and gluconeogenesis, tyrosine metabolism and fatty acid degradation pathways. The glycolysis and photosynthesis pathways were upregulated under Fe deficiency. In this experiment, sucrose accumulated in Fe-deficient roots and leaves. However, the glucose content significantly decreased in the roots, while the fructose content significantly decreased in the leaves. Additionally, 15 genes related to glycolysis and sugar synthesis and sugar transport were selected to validate the accuracy of the transcriptome data by qRT-PCR. Overall, these results indicated that sugar synthesis and metabolism in the roots were affected by Fe deficiency. Sugar regulation is a way by which M. halliana responds to Fe deficiency stress.
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Affiliation(s)
- Ya Hu
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730000, China.,Northwest Institute of Eco-Environment and Resources, Chinese Academy of Science, Lanzhou, 730000, China
| | - Yan-Fang Zhu
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730000, China
| | - Ai-Xia Guo
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730000, China
| | - Xu-Mei Jia
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730000, China
| | - Li Cheng
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730000, China
| | - Tong Zhao
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730000, China
| | - Yan-Xiu Wang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730000, China.
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16
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Attacha S, Solbach D, Bela K, Moseler A, Wagner S, Schwarzländer M, Aller I, Müller SJ, Meyer AJ. Glutathione peroxidase-like enzymes cover five distinct cell compartments and membrane surfaces in Arabidopsis thaliana. PLANT, CELL & ENVIRONMENT 2017; 40:1281-1295. [PMID: 28102911 DOI: 10.1111/pce.12919] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 01/09/2017] [Accepted: 01/10/2017] [Indexed: 05/27/2023]
Abstract
Glutathione peroxidase-like enzymes (GPXLs) constitute a family of eight peroxidases in Arabidopsis thaliana. In contrast to the eponymous selenocysteine glutathione peroxidases in mammalian cells that use glutathione as electron donor, GPXLs rely on cysteine instead of selenocysteine for activity and depend on the thioredoxin system for reduction. Although plant GPXLs have been implicated in important agronomic traits such as drought tolerance, photooxidative tolerance and immune responses, there remain major ambiguities regarding their subcellular localization. Because their site of action is a prerequisite for an understanding of their function, we investigated the localization of all eight GPXLs in stable Arabidopsis lines expressing N-terminal and C-terminal fusions with redox-sensitive green fluorescent protein 2 (roGFP2) using confocal microscopy. GPXL1 and GPXL7 were found in plastids, while GPXL2 and GPXL8 are cytosolic nuclear. The N-terminal target peptide of GPXL6 is sufficient to direct roGFP2 into mitochondria. Interestingly, GPXL3, GPXL4 and GPXL5 all appear to be membrane bound. GPXL3 was found exclusively in the secretory pathway where it is anchored by a single N-terminal transmembrane domain. GPXL4 and GPXL5 are anchored to the plasma membrane. Presence of an N-terminal myristoylation motif and genetic disruption of membrane association through targeted mutagenesis point to myristoylation as essential for membrane localization.
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Affiliation(s)
- Safira Attacha
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
| | - David Solbach
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
| | - Krisztina Bela
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
- Department of Plant Biology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726, Szeged, Hungary
| | - Anna Moseler
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
| | - Stephan Wagner
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
| | - Markus Schwarzländer
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
| | - Isabel Aller
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
| | - Stefanie J Müller
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
| | - Andreas J Meyer
- INRES-Chemical Signalling, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
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17
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Fan W, Wang H, Wu Y, Yang N, Yang J, Zhang P. H + -pyrophosphatase IbVP1 promotes efficient iron use in sweet potato [Ipomoea batatas (L.) Lam.]. PLANT BIOTECHNOLOGY JOURNAL 2017; 15:698-712. [PMID: 27864852 PMCID: PMC5425394 DOI: 10.1111/pbi.12667] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 10/23/2016] [Accepted: 11/16/2016] [Indexed: 05/08/2023]
Abstract
Iron (Fe) deficiency is one of the most common micronutrient deficiencies limiting crop production globally, especially in arid regions because of decreased availability of iron in alkaline soils. Sweet potato [Ipomoea batatas (L.) Lam.] grows well in arid regions and is tolerant to Fe deficiency. Here, we report that the transcription of type I H+ -pyrophosphatase (H+ -PPase) gene IbVP1 in sweet potato plants was strongly induced by Fe deficiency and auxin in hydroponics, improving Fe acquisition via increased rhizosphere acidification and auxin regulation. When overexpressed, transgenic plants show higher pyrophosphate hydrolysis and plasma membrane H+ -ATPase activity compared with the wild type, leading to increased rhizosphere acidification. The IbVP1-overexpressing plants showed better growth, including enlarged root systems, under Fe-sufficient or Fe-deficient conditions. Increased ferric precipitation and ferric chelate reductase activity in the roots of transgenic lines indicate improved iron uptake, which is also confirmed by increased Fe content and up-regulation of Fe uptake genes, e.g. FRO2, IRT1 and FIT. Carbohydrate metabolism is significantly affected in the transgenic lines, showing increased sugar and starch content associated with the increased expression of AGPase and SUT1 genes and the decrease in β-amylase gene expression. Improved antioxidant capacities were also detected in the transgenic plants, which showed reduced H2 O2 accumulation associated with up-regulated ROS-scavenging activity. Therefore, H+ -PPase plays a key role in the response to Fe deficiency by sweet potato and effectively improves the Fe acquisition by overexpressing IbVP1 in crops cultivated in micronutrient-deficient soils.
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Affiliation(s)
- Weijuan Fan
- National Key Laboratory of Plant Molecular GeneticsCAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyShanghai Institutes for Biological SciencesChinese Academy of SciencesShanghaiChina
| | - Hongxia Wang
- National Key Laboratory of Plant Molecular GeneticsCAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyShanghai Institutes for Biological SciencesChinese Academy of SciencesShanghaiChina
| | - Yinliang Wu
- National Key Laboratory of Plant Molecular GeneticsCAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyShanghai Institutes for Biological SciencesChinese Academy of SciencesShanghaiChina
| | - Nan Yang
- National Key Laboratory of Plant Molecular GeneticsCAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyShanghai Institutes for Biological SciencesChinese Academy of SciencesShanghaiChina
| | - Jun Yang
- Shanghai Key Laboratory of Plant Functional Genomics and ResourcesShanghai Chenshan Plant Science Research CenterChinese Academy of SciencesShanghai Chenshan Botanical GardenShanghaiChina
| | - Peng Zhang
- National Key Laboratory of Plant Molecular GeneticsCAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyShanghai Institutes for Biological SciencesChinese Academy of SciencesShanghaiChina
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18
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Meisrimler CN, Wienkoop S, Lüthje S. Proteomic Profiling of the Microsomal Root Fraction: Discrimination of Pisum sativum L. Cultivars and Identification of Putative Root Growth Markers. Proteomes 2017; 5:proteomes5010008. [PMID: 28257117 PMCID: PMC5372229 DOI: 10.3390/proteomes5010008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 02/08/2017] [Accepted: 02/09/2017] [Indexed: 12/04/2022] Open
Abstract
Legumes are a large and economically important family, containing a variety of crop plants. Alongside different cereals, some fruits, and tropical roots, a number of leguminosae evolved for millennia as crops with human society. One of these legumes is Pisum sativum L., the common garden pea. In the past, breeding has been largely selective on improved above-ground organs. However, parameters, such as root-growth, which determines acquisition of nutrients and water, have largely been underestimated. Although the genome of P. sativum is still not fully sequenced, multiple proteomic studies have been published on a variety of physiological aspects in the last years. The presented work focused on the connection between root length and the influence of the microsomal root proteome of four different pea cultivars after five days of germination (cultivar Vroege, Girl from the Rhineland, Kelvedon Wonder, and Blauwschokker). In total, 60 proteins were identified to have significantly differential abundances in the four cultivars. Root growth of five-days old seedlings and their microsomal proteome revealed a similar separation pattern, suggesting that cultivar-specific root growth performance is explained by differential membrane and ribosomal protein levels. Hence, we reveal and discuss several putative root growth protein markers possibly playing a key role for improved primary root growth breeding strategies.
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Affiliation(s)
- Claudia-Nicole Meisrimler
- Oxidative Stress and Plant Proteomics Group, Biocenter Klein Flottbek and Botanical Garden, University of Hamburg, Ohnhorststraße 18, D-22609 Hamburg, Germany.
- Plant-Microbe Interactions, Department of Biology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands.
| | - Stefanie Wienkoop
- Deptartment of Ecogenomics and Systems Biology, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria.
| | - Sabine Lüthje
- Oxidative Stress and Plant Proteomics Group, Biocenter Klein Flottbek and Botanical Garden, University of Hamburg, Ohnhorststraße 18, D-22609 Hamburg, Germany.
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19
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Li W, Lan P. The Understanding of the Plant Iron Deficiency Responses in Strategy I Plants and the Role of Ethylene in This Process by Omic Approaches. FRONTIERS IN PLANT SCIENCE 2017; 8:40. [PMID: 28174585 PMCID: PMC5259694 DOI: 10.3389/fpls.2017.00040] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 01/09/2017] [Indexed: 05/19/2023]
Abstract
Iron (Fe) is an essential plant micronutrient but is toxic in excess. Fe deficiency chlorosis is a major constraint for plant growth and causes severe losses of crop yields and quality. Under Fe deficiency conditions, plants have developed sophisticated mechanisms to keep cellular Fe homeostasis via various physiological, morphological, metabolic, and gene expression changes to facilitate the availability of Fe. Ethylene has been found to be involved in the Fe deficiency responses of plants through pharmacological studies or by the use of ethylene mutants. However, how ethylene is involved in the regulations of Fe starvation responses remains not fully understood. Over the past decade, omics approaches, mainly focusing on the RNA and protein levels, have been used extensively to investigate global gene expression changes under Fe-limiting conditions, and thousands of genes have been found to be regulated by Fe status. Similarly, proteome profiles have uncovered several hallmark processes that help plants adapt to Fe shortage. To find out how ethylene participates in the Fe deficiency response and explore putatively novel regulators for further investigation, this review emphasizes the integration of those genes and proteins, derived from omics approaches, regulated both by Fe deficiency, and ethylene into a systemic network by gene co-expression analysis.
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Affiliation(s)
- Wenfeng Li
- Collaborative Innovation Center of Sustainable Forestry in Southern China of Jiangsu Province, College of Biology and the Environment, Nanjing Forestry UniversityNanjing, China
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of SciencesNanjing, China
| | - Ping Lan
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of SciencesNanjing, China
- *Correspondence: Ping Lan
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20
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Mustafa G, Komatsu S. Toxicity of heavy metals and metal-containing nanoparticles on plants. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2016; 1864:932-44. [PMID: 26940747 DOI: 10.1016/j.bbapap.2016.02.020] [Citation(s) in RCA: 101] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2015] [Revised: 01/13/2016] [Accepted: 02/24/2016] [Indexed: 12/15/2022]
Abstract
Plants are under the continual threat of changing climatic conditions that are associated with various types of abiotic stresses. In particular, heavy metal contamination is a major environmental concern that restricts plant growth. Plants absorb heavy metals along with essential elements from the soil and have evolved different strategies to cope with the accumulation of heavy metals. The use of proteomic techniques is an effective approach to investigate and identify the biological mechanisms and pathways affected by heavy metals and metal-containing nanoparticles. The present review focuses on recent advances and summarizes the results from proteomic studies aimed at understanding the response mechanisms of plants under heavy metal and metal-containing nanoparticle stress. Transport of heavy metal ions is regulated through the cell wall and plasma membrane and then sequestered in the vacuole. In addition, the role of different metal chelators involved in the detoxification and sequestration of heavy metals is critically reviewed, and changes in protein profiles of plants exposed to metal-containing nanoparticles are discussed in detail. Finally, strategies for gaining new insights into plant tolerance mechanisms to heavy metal and metal-containing nanoparticle stress are presented. This article is part of a Special Issue entitled: Plant Proteomics--a bridge between fundamental processes and crop production, edited by Dr. Hans-Peter Mock.
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Affiliation(s)
- Ghazala Mustafa
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8572, Japan; National Institute of Crop Science, National Agriculture and Food Research Organization, Tsukuba 305-8518, Japan
| | - Setsuko Komatsu
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8572, Japan; National Institute of Crop Science, National Agriculture and Food Research Organization, Tsukuba 305-8518, Japan.
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21
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Sanchez-Lucas R, Mehta A, Valledor L, Cabello-Hurtado F, Romero-Rodrıguez MC, Simova-Stoilova L, Demir S, Rodriguez-de-Francisco LE, Maldonado-Alconada AM, Jorrin-Prieto AL, Jorrín-Novo JV. A year (2014-2015) of plants in Proteomics journal. Progress in wet and dry methodologies, moving from protein catalogs, and the view of classic plant biochemists. Proteomics 2016; 16:866-76. [PMID: 26621614 DOI: 10.1002/pmic.201500351] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Revised: 10/26/2015] [Accepted: 11/04/2015] [Indexed: 12/23/2022]
Abstract
The present review is an update of the previous one published in Proteomics 2015 Reviews special issue [Jorrin-Novo, J. V. et al., Proteomics 2015, 15, 1089-1112] covering the July 2014-2015 period. It has been written on the bases of the publications that appeared in Proteomics journal during that period and the most relevant ones that have been published in other high-impact journals. Methodological advances and the contribution of the field to the knowledge of plant biology processes and its translation to agroforestry and environmental sectors will be discussed. This review has been organized in four blocks, with a starting general introduction (literature survey) followed by sections focusing on the methodology (in vitro, in vivo, wet, and dry), proteomics integration with other approaches (systems biology and proteogenomics), biological information, and knowledge (cell communication, receptors, and signaling), ending with a brief mention of some other biological and translational topics to which proteomics has made some contribution.
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Affiliation(s)
- Rosa Sanchez-Lucas
- Agroforestry and Plant Biochemistry and Proteomics Research Group, Department of Biochemistry and Molecular Biology, University of Córdoba-CeiA3, Córdoba, Spain
| | - Angela Mehta
- Embrapa Recursos Genéticos e Biotecnologia (CENARGEN), Brasília, DF, Brazil
| | - Luis Valledor
- Department of Biology of Organisms and Systems (BOS), University of Oviedo, Oviedo, Spain
| | | | - M Cristina Romero-Rodrıguez
- Centro Multidisciplinario de Investigaciones Tecnológicas, and Departamento de Fitoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Asunción, San Lorenzo, Paraguay
| | - Lyudmila Simova-Stoilova
- Plant Molecular Biology Department, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Sekvan Demir
- Agroforestry and Plant Biochemistry and Proteomics Research Group, Department of Biochemistry and Molecular Biology, University of Córdoba-CeiA3, Córdoba, Spain
| | - Luis E Rodriguez-de-Francisco
- Agroforestry and Plant Biochemistry and Proteomics Research Group, Department of Biochemistry and Molecular Biology, University of Córdoba-CeiA3, Córdoba, Spain.,INTEC-Sto. Domingo, Santo Domingo, República Dominicana
| | - Ana M Maldonado-Alconada
- Agroforestry and Plant Biochemistry and Proteomics Research Group, Department of Biochemistry and Molecular Biology, University of Córdoba-CeiA3, Córdoba, Spain
| | - Ana L Jorrin-Prieto
- Agroforestry and Plant Biochemistry and Proteomics Research Group, Department of Biochemistry and Molecular Biology, University of Córdoba-CeiA3, Córdoba, Spain
| | - Jesus V Jorrín-Novo
- Agroforestry and Plant Biochemistry and Proteomics Research Group, Department of Biochemistry and Molecular Biology, University of Córdoba-CeiA3, Córdoba, Spain
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22
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Zhang S, Zhang Y, Cao Y, Lei Y, Jiang H. Quantitative Proteomic Analysis Reveals Populus cathayana Females Are More Sensitive and Respond More Sophisticatedly to Iron Deficiency than Males. J Proteome Res 2016; 15:840-50. [PMID: 26842668 DOI: 10.1021/acs.jproteome.5b00750] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Previous studies have shown that there are significant sexual differences in the morphological and physiological responses of Populus cathayana Rehder to nitrogen and phosphorus deficiencies, but little is known about the sex-specific differences in responses to iron deficiency. In this study, the effects of iron deficiency on the morphology, physiology, and proteome of P. cathayana males and females were investigated. The results showed that iron deficiency (25 days) significantly decreased height growth, photosynthetic rate, chlorophyll content, and tissue iron concentration in both sexes. A comparison between the sexes indicated that iron-deficient males had less height inhibition and photosynthesis system II or chloroplast ultrastructural damage than iron-deficient females. iTRAQ-based quantitative proteomic analysis revealed that 144 and 68 proteins were decreased in abundance (e.g., proteins involved in photosynthesis, carbohydrate and energy metabolism, and gene expression regulation) and 78 and 39 proteins were increased in abundance (e.g., proteins involved in amino acid metabolism and stress response) according to the criterion of ratio ≥1.5 in females and males, respectively. A comparison between the sexes indicated that iron-deficient females exhibited a greater change in the proteins involved in photosynthesis, carbon and energy metabolism, the redox system, and stress responsive proteins. This study reveals females are more sensitive and have a more sophisticated response to iron deficiency compared with males and provides new insights into differential sexual responses to nutrient deficiency.
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Affiliation(s)
- Sheng Zhang
- Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences , Chengdu 610041, China
| | - Yunxiang Zhang
- Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences , Chengdu 610041, China.,University of Chinese Academy of Sciences , Beijing 100039, China
| | | | - Yanbao Lei
- Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences , Chengdu 610041, China
| | - Hao Jiang
- Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences , Chengdu 610041, China
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Yang XY, He K, Du G, Wu X, Yu G, Pan Y, Zhang G, Sun X, He QY. Integrated Translatomics with Proteomics to Identify Novel Iron-Transporting Proteins in Streptococcus pneumoniae. Front Microbiol 2016; 7:78. [PMID: 26870030 PMCID: PMC4738293 DOI: 10.3389/fmicb.2016.00078] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Accepted: 01/15/2016] [Indexed: 01/05/2023] Open
Abstract
Streptococcus pneumoniae (S.pneumoniae) is a major human pathogen causing morbidity and mortality worldwide. Efficiently acquiring iron from the environment is critical for S. pneumoniae to sustain growth and cause infection. There are only three known iron-uptake systems in Streptococcal species responsible for iron acquisition from the host, including ABC transporters PiaABC, PiuABC, and PitABC. Besides, no other iron-transporting system has been suggested. In this work, we employed our newly established translating mRNA analysis integrated with proteomics to evaluate the possible existence of novel iron transporters in the bacterium. We simultaneously deleted the iron-binding protein genes of the three iron-uptake systems to construct a piaA/piuA/pitA triple mutant (Tri-Mut) of S. pneumoniae D39, in which genes and proteins related to iron transport should be regulated in response to the deletion. With ribosome associated mRNA sequencing-based translatomics focusing on translating mRNA and iTRAQ quantitative proteomics based on the covalent labeling of peptides with tags of varying mass, we indeed observed a large number of genes and proteins representing various coordinated biological pathways with significantly altered expression levels in the Tri-Mut mutant. Highlighted in this observation is the identification of several new potential iron-uptake ABC transporters participating in iron metabolism of Streptococcus. In particular, putative protein SPD_1609 in operon 804 was verified to be a novel iron-binding protein with similar function to PitA in S. pneumoniae. These data derived from the integrative translatomics and proteomics analyses provided rich information and insightful clues for further investigations on iron-transporting mechanism in bacteria and the interplay between Streptococcal iron availability and the biological metabolic pathways.
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Affiliation(s)
- Xiao-Yan Yang
- The First Affiliated Hospital of Jinan UniversityGuangzhou, China; Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan UniversityGuangzhou, China
| | - Ke He
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University Guangzhou, China
| | - Gaofei Du
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University Guangzhou, China
| | - Xiaohui Wu
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University Guangzhou, China
| | - Guangchuang Yu
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University Guangzhou, China
| | - Yunlong Pan
- The First Affiliated Hospital of Jinan University Guangzhou, China
| | - Gong Zhang
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University Guangzhou, China
| | - Xuesong Sun
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University Guangzhou, China
| | - Qing-Yu He
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University Guangzhou, China
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Zargar SM, Agrawal GK, Rakwal R, Fukao Y. Quantitative proteomics reveals role of sugar in decreasing photosynthetic activity due to Fe deficiency. FRONTIERS IN PLANT SCIENCE 2015; 6:592. [PMID: 26284105 PMCID: PMC4522737 DOI: 10.3389/fpls.2015.00592] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Accepted: 07/17/2015] [Indexed: 05/24/2023]
Affiliation(s)
- Sajad M. Zargar
- Centre for Plant Biotechnology, Division of Biotechnology, S K University of Agricultural Sciences and Technology of KashmirSrinagar, India
| | - Ganesh K. Agrawal
- Research Laboratory for Biotechnology and BiochemistryKathmandu, Nepal
- GRADE Academy Private LimitedBirgunj, Nepal
| | - Randeep Rakwal
- Research Laboratory for Biotechnology and BiochemistryKathmandu, Nepal
- GRADE Academy Private LimitedBirgunj, Nepal
- Faculty of Health and Sport Sciences and Tsukuba International Academy for Sport Studies, University of TsukubaTsukuba, Japan
| | - Yoichiro Fukao
- Department of Bioinformatics, Ritsumeikan UniversityShiga, Japan
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