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Lonsdale A, Ceballos-Laita L, Takahashi D, Uemura M, Abadía J, Davis MJ, Bacic A, Doblin MS. LSPpred Suite: Tools for Leaderless Secretory Protein Prediction in Plants. PLANTS (BASEL, SWITZERLAND) 2023; 12:1428. [PMID: 37050054 PMCID: PMC10097205 DOI: 10.3390/plants12071428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 02/24/2023] [Accepted: 03/08/2023] [Indexed: 06/19/2023]
Abstract
Plant proteins that are secreted without a classical signal peptide leader sequence are termed leaderless secretory proteins (LSPs) and are implicated in both plant development and (a)biotic stress responses. In plant proteomics experimental workflows, identification of LSPs is hindered by the possibility of contamination from other subcellar compartments upon purification of the secretome. Applying machine learning algorithms to predict LSPs in plants is also challenging due to the rarity of experimentally validated examples for training purposes. This work attempts to address this issue by establishing criteria for identifying potential plant LSPs based on experimental observations and training random forest classifiers on the putative datasets. The resultant plant protein database LSPDB and bioinformatic prediction tools LSPpred and SPLpred are available at lsppred.lspdb.org. The LSPpred and SPLpred modules are internally validated on the training dataset, with false positives controlled at 5%, and are also able to classify the limited number of established plant LSPs (SPLpred (3/4, LSPpred 4/4). Until such time as a larger set of bona fide (independently experimentally validated) LSPs is established using imaging technologies (light/fluorescence/electron microscopy) to confirm sub-cellular location, these tools represent a bridging method for predicting and identifying plant putative LSPs for subsequent experimental validation.
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Affiliation(s)
- Andrew Lonsdale
- ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Melbourne, VIC 3010, Australia
| | - Laura Ceballos-Laita
- Plant Stress Physiology Group, Plant Nutrition Department, Aula Dei Experimental Station, CSIC, P.O. Box 13034, 50080 Zaragoza, Spain
| | - Daisuke Takahashi
- United Graduate School of Agricultural Sciences, Iwate University, Morioka 020-8550, Japan
| | - Matsuo Uemura
- Faculty of Agriculture, Iwate University, Morioka 020-8550, Japan
| | - Javier Abadía
- Plant Stress Physiology Group, Plant Nutrition Department, Aula Dei Experimental Station, CSIC, P.O. Box 13034, 50080 Zaragoza, Spain
| | - Melissa J. Davis
- Bioinformatics, Walter and Eliza Hall Institute for Medical Research, Melbourne, VIC 3052, Australia
| | - Antony Bacic
- ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Melbourne, VIC 3010, Australia
| | - Monika S. Doblin
- ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Melbourne, VIC 3010, Australia
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Zhang X, Yin Z, Ma Z, Liang J, Zhang Z, Yao L, Chen X, Liu X, Zhang R. Shell Matrix Protein N38 of Pinctada fucata, Inducing Vaterite Formation, Extends the DING Protein to the Mollusca World. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2022; 24:531-541. [PMID: 35499596 DOI: 10.1007/s10126-022-10116-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 03/11/2022] [Indexed: 06/14/2023]
Abstract
In the animal kingdom, DING proteins were only found in Chordata and Aschelminthes. At present study, a potential DING protein, matrix protein N38, was isolated and purified from the shell of Pinctada fucata. Tandem mass spectrometry analysis revealed that 14 peptide segments matched between N38 and human phosphate-binding protein (HPBP). HPBP belongs to the DING protein family and has a "DINGGG-" sequence, which is considered a "signature" of HPBP. In this study, the mass spectrometry analysis results showed that N38 had a "DIDGGG-" sequence; this structure is a mutation from the "DINGGG-" structure, which is a distinctive feature of the DING protein family. The role of N38 during calcium carbonate formation was explored through the in vitro crystallization experiment. The results of scanning electron microscopy and Raman spectrum analysis indicated that N38 induced vaterite formation. These findings revealed that N38 might regulate and participate in the precise control of the crystal growth of the shell, providing new clues for biomineralization mechanisms in P. fucata and DING protein family studies. In addition, this study helped extend the research of DING protein to the Mollusca world.
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Affiliation(s)
- Xin Zhang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Agriculture, Shanghai, 201306, China
| | - Zehui Yin
- Key Laboratory of Freshwater Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Agriculture, Shanghai, 201306, China
| | - Zhuojun Ma
- Chinese Academy of Fishery Sciences, Beijing, 100141, China
| | - Jian Liang
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016, China
| | - Zhen Zhang
- Department of Biotechnology and Biomedicine, Yangtze Delta Region Institute of Tsinghua University, Zhejiang, 314000, China
| | - Liping Yao
- Department of Biotechnology and Biomedicine, Yangtze Delta Region Institute of Tsinghua University, Zhejiang, 314000, China
| | - Xia Chen
- Department of Biotechnology and Biomedicine, Yangtze Delta Region Institute of Tsinghua University, Zhejiang, 314000, China
| | - Xiaojun Liu
- Department of Biotechnology and Biomedicine, Yangtze Delta Region Institute of Tsinghua University, Zhejiang, 314000, China.
| | - Rongqing Zhang
- Protein Science laboratory of the Ministry of Education, Tsinghua University, Beijing, 100084, China.
- Department of Biotechnology and Biomedicine, Yangtze Delta Region Institute of Tsinghua University, Zhejiang, 314000, China.
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3
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Zhuo C, Wang X, Docampo-Palacios M, Sanders BC, Engle NL, Tschaplinski TJ, Hendry JI, Maranas CD, Chen F, Dixon RA. Developmental changes in lignin composition are driven by both monolignol supply and laccase specificity. SCIENCE ADVANCES 2022; 8:eabm8145. [PMID: 35263134 PMCID: PMC8906750 DOI: 10.1126/sciadv.abm8145] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 01/17/2022] [Indexed: 05/25/2023]
Abstract
The factors controlling lignin composition remain unclear. Catechyl (C)-lignin is a homopolymer of caffeyl alcohol with unique properties as a biomaterial and precursor of industrial chemicals. The lignin synthesized in the seed coat of Cleome hassleriana switches from guaiacyl (G)- to C-lignin at around 12 to 14 days after pollination (DAP), associated with a rerouting of the monolignol pathway. Lack of synthesis of caffeyl alcohol limits C-lignin formation before around 12 DAP, but coniferyl alcohol is still synthesized and highly accumulated after 14 DAP. We propose a model in which, during C-lignin biosynthesis, caffeyl alcohol noncompetitively inhibits oxidation of coniferyl alcohol by cell wall laccases, a process that might limit movement of coniferyl alcohol to the apoplast. Developmental changes in both substrate availability and laccase specificity together account for the metabolic fates of G- and C-monolignols in the Cleome seed coat.
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Affiliation(s)
- Chunliu Zhuo
- BioDiscovery Institute and Department of Biological Sciences, University of North Texas, 1155 Union Circle #311428, Denton, TX 76203, USA
- Center for Bioenergy Innovation (CBI), Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Xin Wang
- BioDiscovery Institute and Department of Biological Sciences, University of North Texas, 1155 Union Circle #311428, Denton, TX 76203, USA
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Maite Docampo-Palacios
- BioDiscovery Institute and Department of Biological Sciences, University of North Texas, 1155 Union Circle #311428, Denton, TX 76203, USA
| | - Brian C. Sanders
- Center for Bioenergy Innovation (CBI), Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Nancy L. Engle
- Center for Bioenergy Innovation (CBI), Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Timothy J. Tschaplinski
- Center for Bioenergy Innovation (CBI), Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - John I. Hendry
- Center for Bioenergy Innovation (CBI), Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Costas D. Maranas
- Center for Bioenergy Innovation (CBI), Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Fang Chen
- BioDiscovery Institute and Department of Biological Sciences, University of North Texas, 1155 Union Circle #311428, Denton, TX 76203, USA
- Center for Bioenergy Innovation (CBI), Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Richard A. Dixon
- BioDiscovery Institute and Department of Biological Sciences, University of North Texas, 1155 Union Circle #311428, Denton, TX 76203, USA
- Center for Bioenergy Innovation (CBI), Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
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Chan KKY, Kong HK, Tse SPK, Chan Z, Lo PY, Kwok KWH, Lo SCL. Finding Species-Specific Extracellular Surface-Facing Proteomes in Toxic Dinoflagellates. Toxins (Basel) 2021; 13:624. [PMID: 34564629 PMCID: PMC8473415 DOI: 10.3390/toxins13090624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/31/2021] [Accepted: 09/01/2021] [Indexed: 11/27/2022] Open
Abstract
As a sequel to our previous report of the existence of species-specific protein/peptide expression profiles (PEPs) acquired by mass spectrometry in some dinoflagellates, we established, with the help of a plasma-membrane-impermeable labeling agent, a surface amphiesmal protein extraction method (SAPE) to label and capture species-specific surface proteins (SSSPs) as well as saxitoxins-producing-species-specific surface proteins (Stx-SSPs) that face the extracellular space (i.e., SSSPsEf and Stx-SSPsEf). Five selected toxic dinoflagellates, Alexandrium minutum, A. lusitanicum, A. tamarense, Gymnodinium catenatum, and Karenia mikimotoi, were used in this study. Transcriptomic databases of these five species were also constructed. With the aid of liquid chromatography linked-tandem mass spectrometry (LC-MS/MS) and the transcriptomic databases of these species, extracellularly facing membrane proteomes of the five different species were identified. Within these proteomes, 16 extracellular-facing and functionally significant transport proteins were found. Furthermore, 10 SSSPs and 6 Stx-SSPs were identified as amphiesmal proteins but not facing outward to the extracellular environment. We also found SSSPsEf and Stx-SSPsEf in the proteomes. The potential functional correlation of these proteins towards the production of saxitoxins in dinoflagellates and the degree of species specificity were discussed accordingly.
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Affiliation(s)
- Kenrick Kai-yuen Chan
- Department of Applied Biology and Chemical Technology, Faculty of Applied Science and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong; (K.K.-y.C.); (H.-k.K.); (S.P.-k.T.); (Z.C.); (P.-y.L.); (K.W.H.K.)
| | - Hang-kin Kong
- Department of Applied Biology and Chemical Technology, Faculty of Applied Science and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong; (K.K.-y.C.); (H.-k.K.); (S.P.-k.T.); (Z.C.); (P.-y.L.); (K.W.H.K.)
- Research Institute for Future Food, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Sirius Pui-kam Tse
- Department of Applied Biology and Chemical Technology, Faculty of Applied Science and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong; (K.K.-y.C.); (H.-k.K.); (S.P.-k.T.); (Z.C.); (P.-y.L.); (K.W.H.K.)
| | - Zoe Chan
- Department of Applied Biology and Chemical Technology, Faculty of Applied Science and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong; (K.K.-y.C.); (H.-k.K.); (S.P.-k.T.); (Z.C.); (P.-y.L.); (K.W.H.K.)
| | - Pak-yeung Lo
- Department of Applied Biology and Chemical Technology, Faculty of Applied Science and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong; (K.K.-y.C.); (H.-k.K.); (S.P.-k.T.); (Z.C.); (P.-y.L.); (K.W.H.K.)
| | - Kevin W. H. Kwok
- Department of Applied Biology and Chemical Technology, Faculty of Applied Science and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong; (K.K.-y.C.); (H.-k.K.); (S.P.-k.T.); (Z.C.); (P.-y.L.); (K.W.H.K.)
- Research Institute for Future Food, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Samuel Chun-lap Lo
- Department of Applied Biology and Chemical Technology, Faculty of Applied Science and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong; (K.K.-y.C.); (H.-k.K.); (S.P.-k.T.); (Z.C.); (P.-y.L.); (K.W.H.K.)
- Research Institute for Future Food, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
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5
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Elagamey E, Narula K, Chakraborty N, Chakraborty S. Extracellular Matrix Proteome: Isolation of ECM Proteins for Proteomics Studies. Methods Mol Biol 2019; 2057:155-172. [PMID: 31595478 DOI: 10.1007/978-1-4939-9790-9_14] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2023]
Abstract
Understanding molecular mechanisms and cellular metabolism in varied plant processes necessitates knowledge of the expressed proteins and their subcellular distribution. Spatial partitioning of organelles generates an enclosed milieu for physiochemical reactions designed and tightly linked to a specific organelle function. Of which, extracellular matrix (ECM)/cell wall (CW) is a dynamic and chemically active compartment. The ECM proteins are organized into complex structural and functional networks involved in several metabolic processes, including carbon and nitrogen metabolism. Organellar proteomics aim for comprehensive identification of resident proteins that rely on the isolation of highly purified organelle free from contamination by other intracellular components. Extraction and isolation of plant ECM proteins features key caveats due to the lack of adjoining membrane, the presence of a polysaccharide-protein network that traps contaminants, and the existence of high phenolic content. Furthermore, due to diverse biochemical forces, including labile, weakly bound and strongly bound protein in the protein-polysaccharide matrix different elution procedures are required to enrich ECM proteins. Here, we describe a method that allows efficient fractionation of plant ECM, extraction of ECM proteins and protein profiling from variety of crop plants, including rice, chickpea and potato. This method can easily be adapted to other plant species for varied experimental conditions.
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Affiliation(s)
- Eman Elagamey
- National Institute of Plant Genome Research, New Delhi, India
- Plant Pathology Research Institute, Agricultural Research Center (ARC), Giza, Egypt
| | - Kanika Narula
- National Institute of Plant Genome Research, New Delhi, India
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6
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Marín-Guirao L, Entrambasaguas L, Dattolo E, Ruiz JM, Procaccini G. Molecular Mechanisms behind the Physiological Resistance to Intense Transient Warming in an Iconic Marine Plant. FRONTIERS IN PLANT SCIENCE 2017; 8:1142. [PMID: 28706528 PMCID: PMC5489684 DOI: 10.3389/fpls.2017.01142] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 06/14/2017] [Indexed: 05/03/2023]
Abstract
The endemic Mediterranean seagrass Posidonia oceanica is highly threatened by the increased frequency and intensity of heatwaves. Meadows of the species offer a unique opportunity to unravel mechanisms marine plants activate to cope transient warming, since their wide depth distribution impose divergent heat-tolerance. Understanding these mechanisms is imperative for their conservation. Shallow and deep genotypes within the same population were exposed to a simulated heatwave in mesocosms, to analyze their transcriptomic and photo-physiological responses during and after the exposure. Shallow plants, living in a more unstable thermal environment, optimized phenotype variation in response to warming. These plants showed a pre-adaptation of genes in anticipation of stress. Shallow plants also showed a stronger activation of heat-responsive genes and the exclusive activation of genes involved in epigenetic mechanisms and in molecular mechanisms that are behind their higher photosynthetic stability and respiratory acclimation. Deep plants experienced higher heat-induced damage and activated metabolic processes for obtaining extra energy from sugars and amino acids, likely to support the higher protein turnover induced by heat. In this study we identify transcriptomic mechanisms that may facilitate persistence of seagrasses to anomalous warming events and we discovered that P. oceanica plants from above and below the mean depth of the summer thermocline have differential resilience to heat.
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Affiliation(s)
- Lazaro Marín-Guirao
- Integrative Marine Ecology, Stazione Zoologica Anton DohrnNaples, Italy
- *Correspondence: Lazaro Marín-Guirao
| | | | - Emanuela Dattolo
- Integrative Marine Ecology, Stazione Zoologica Anton DohrnNaples, Italy
| | - Juan M. Ruiz
- Seagrass Ecology Group, Oceanographic Center of Murcia, Spanish Institute of OceanographyMurcia, Spain
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7
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Brito-Argáez L, Tamayo-Sansores JA, Madera-Piña D, García-Villalobos FJ, Moo-Puc RE, Kú-González Á, Villanueva MA, Islas-Flores I. Biochemical characterization and immunolocalization studies of a Capsicum chinense Jacq. protein fraction containing DING proteins and anti-microbial activity. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2016; 109:502-514. [PMID: 27835848 DOI: 10.1016/j.plaphy.2016.10.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 10/24/2016] [Accepted: 10/25/2016] [Indexed: 06/06/2023]
Abstract
The DING protein family consists of proteins of great biological importance due to their ability to inhibit carcinogenic cell growth. A DING peptide with Mr ∼7.57 kDa and pI ∼5.06 was detected in G10P1.7.57, a protein fraction from Capsicum chinense Jacq. seeds. Amino acid sequencing of the peptide produced three smaller peptides showing identity to the DING protein family. G10P1.7.57 displayed a phosphatase activity capable of dephosphorylating different phosphorylated substrates and inhibited the growth of Saccharomyces cerevisiae cells. Western immunoblotting with a custom-made polyclonal antibody raised against a sequence (ITYMSPDYAAPTLAGLDDATK), derived from the ∼7.57 kDa polypeptide, immunodetected an ∼ 39 kDa polypeptide in G10P1.7.57. Purification by electroelution followed by amino acid sequencing of the ∼39 kDa polypeptide yielded seven new peptide sequences and an additional one identical to that of the initially identified peptide. Western immunoblotting of soluble proteins from C. chinense seeds and leaves revealed the presence of the ∼39 kDa polypeptide at all developmental stages, with increased accumulation when the organs reached maturity. Immunolocalization using Dabsyl chloride- or Alexa fluor 488-conjugated antibodies revealed a specific fluorescent signal in the cell cytoplasm at all developmental stages, giving support to the idea that the ∼39 kDa polypeptide is a soluble DING protein. Thus, we have identified and characterized a protein fraction with a DING protein from C. chinense.
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Affiliation(s)
- Ligia Brito-Argáez
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Calle 43 No. 130, Colonia Chuburná de Hidalgo, C.P. 97200, Mérida, Yucatán, Mexico
| | - José A Tamayo-Sansores
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Calle 43 No. 130, Colonia Chuburná de Hidalgo, C.P. 97200, Mérida, Yucatán, Mexico
| | - Dianeli Madera-Piña
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Calle 43 No. 130, Colonia Chuburná de Hidalgo, C.P. 97200, Mérida, Yucatán, Mexico
| | - Francisco J García-Villalobos
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Calle 43 No. 130, Colonia Chuburná de Hidalgo, C.P. 97200, Mérida, Yucatán, Mexico
| | - Rosa E Moo-Puc
- Unidad de Investigación, Instituto Mexicano del Seguro Social, IMSS, T1, C.P. 97150, Mérida, Yucatán, Mexico
| | - Ángela Kú-González
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Calle 43 No. 130, Colonia Chuburná de Hidalgo, C.P. 97200, Mérida, Yucatán, Mexico
| | - Marco A Villanueva
- Unidad Académica de Sistemas Arrecifales, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Puerto Morelos, Quintana Roo, C.P. 77580, Mexico
| | - Ignacio Islas-Flores
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Calle 43 No. 130, Colonia Chuburná de Hidalgo, C.P. 97200, Mérida, Yucatán, Mexico.
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Arabidopsis Regenerating Protoplast: A Powerful Model System for Combining the Proteomics of Cell Wall Proteins and the Visualization of Cell Wall Dynamics. Proteomes 2016; 4:proteomes4040034. [PMID: 28248244 PMCID: PMC5260967 DOI: 10.3390/proteomes4040034] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 11/04/2016] [Accepted: 11/04/2016] [Indexed: 11/17/2022] Open
Abstract
The development of a range of sub-proteomic approaches to the plant cell wall has identified many of the cell wall proteins. However, it remains difficult to elucidate the precise biological role of each protein and the cell wall dynamics driven by their actions. The plant protoplast provides an excellent means not only for characterizing cell wall proteins, but also for visualizing the dynamics of cell wall regeneration, during which cell wall proteins are secreted. It therefore offers a unique opportunity to investigate the de novo construction process of the cell wall. This review deals with sub-proteomic approaches to the plant cell wall through the use of protoplasts, a methodology that will provide the basis for further exploration of cell wall proteins and cell wall dynamics.
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Ghahremani M, Stigter KA, Plaxton W. Extraction and Characterization of Extracellular Proteins and Their Post-Translational Modifications from Arabidopsis thaliana Suspension Cell Cultures and Seedlings: A Critical Review. Proteomes 2016; 4:E25. [PMID: 28248235 PMCID: PMC5217358 DOI: 10.3390/proteomes4030025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 08/25/2016] [Accepted: 08/26/2016] [Indexed: 01/10/2023] Open
Abstract
Proteins secreted by plant cells into the extracellular space, consisting of the cell wall, apoplastic fluid, and rhizosphere, play crucial roles during development, nutrient acquisition, and stress acclimation. However, isolating the full range of secreted proteins has proven difficult, and new strategies are constantly evolving to increase the number of proteins that can be detected and identified. In addition, the dynamic nature of the extracellular proteome presents the further challenge of identifying and characterizing the post-translational modifications (PTMs) of secreted proteins, particularly glycosylation and phosphorylation. Such PTMs are common and important regulatory modifications of proteins, playing a key role in many biological processes. This review explores the most recent methods in isolating and characterizing the plant extracellular proteome with a focus on the model plant Arabidopsis thaliana, highlighting the current challenges yet to be overcome. Moreover, the crucial role of protein PTMs in cell wall signalling, development, and plant responses to biotic and abiotic stress is discussed.
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Affiliation(s)
- Mina Ghahremani
- Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada.
| | - Kyla A Stigter
- Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada.
| | - William Plaxton
- Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada.
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada.
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10
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Wang X, Komatsu S. Plant subcellular proteomics: Application for exploring optimal cell function in soybean. J Proteomics 2016; 143:45-56. [PMID: 26808589 DOI: 10.1016/j.jprot.2016.01.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 01/06/2016] [Accepted: 01/13/2016] [Indexed: 01/11/2023]
Abstract
UNLABELLED Plants have evolved complicated responses to developmental changes and stressful environmental conditions. Subcellular proteomics has the potential to elucidate localized cellular responses and investigate communications among subcellular compartments during plant development and in response to biotic and abiotic stresses. Soybean, which is a valuable legume crop rich in protein and vegetable oil, can grow in several climatic zones; however, the growth and yield of soybean are markedly decreased under stresses. To date, numerous proteomic studies have been performed in soybean to examine the specific protein profiles of cell wall, plasma membrane, nucleus, mitochondrion, chloroplast, and endoplasmic reticulum. In this review, methods for the purification and purity assessment of subcellular organelles from soybean are summarized. In addition, the findings from subcellular proteomic analyses of soybean during development and under stresses, particularly flooding stress, are presented and the proteins regulated among subcellular compartments are discussed. Continued advances in subcellular proteomics are expected to greatly contribute to the understanding of the responses and interactions that occur within and among subcellular compartments during development and under stressful environmental conditions. BIOLOGICAL SIGNIFICANCE Subcellular proteomics has the potential to investigate the cellular events and interactions among subcellular compartments in response to development and stresses in plants. Soybean could grow in several climatic zones; however, the growth and yield of soybean are markedly decreased under stresses. Numerous proteomics of cell wall, plasma membrane, nucleus, mitochondrion, chloroplast, and endoplasmic reticulum was carried out to investigate the respecting proteins and their functions in soybean during development or under stresses. In this review, methods of subcellular-organelle enrichment and purity assessment are summarized. In addition, previous findings of subcellular proteomics are presented, and functional proteins regulated among different subcellular are discussed. Subcellular proteomics contributes greatly to uncovering responses and interactions among subcellular compartments during development and under stressful environmental conditions in soybean.
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Affiliation(s)
- Xin Wang
- 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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11
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Cho WK, Hyun TK, Kumar D, Rim Y, Chen XY, Jo Y, Kim S, Lee KW, Park ZY, Lucas WJ, Kim JY. Proteomic Analysis to Identify Tightly-Bound Cell Wall Protein in Rice Calli. Mol Cells 2015; 38:685-96. [PMID: 26194822 PMCID: PMC4546940 DOI: 10.14348/molcells.2015.0033] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 05/29/2015] [Accepted: 06/01/2015] [Indexed: 12/21/2022] Open
Abstract
Rice is a model plant widely used for basic and applied research programs. Plant cell wall proteins play key roles in a broad range of biological processes. However, presently, knowledge on the rice cell wall proteome is rudimentary in nature. In the present study, the tightly-bound cell wall proteome of rice callus cultured cells using sequential extraction protocols was developed using mass spectrometry and bioinformatics methods, leading to the identification of 1568 candidate proteins. Based on bioinformatics analyses, 389 classical rice cell wall proteins, possessing a signal peptide, and 334 putative non-classical cell wall proteins, lacking a signal peptide, were identified. By combining previously established rice cell wall protein databases with current data for the classical rice cell wall proteins, a comprehensive rice cell wall proteome, comprised of 496 proteins, was constructed. A comparative analysis of the rice and Arabidopsis cell wall proteomes revealed a high level of homology, suggesting a predominant conservation between monocot and eudicot cell wall proteins. This study importantly increased information on cell wall proteins, which serves for future functional analyses of these identified rice cell wall proteins.
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Affiliation(s)
- Won Kyong Cho
- Division of Applied Life Science (BK21plus), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701,
Korea
| | - Tae Kyung Hyun
- Department of Industrial Plant Science and Technology, College of Agricultural, Life and Environmental Sciences, Chungbuk National University, Cheongju 361-763,
Korea
| | - Dhinesh Kumar
- Division of Applied Life Science (BK21plus), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701,
Korea
| | - Yeonggil Rim
- Division of Applied Life Science (BK21plus), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701,
Korea
| | - Xiong Yan Chen
- Division of Applied Life Science (BK21plus), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701,
Korea
| | - Yeonhwa Jo
- Division of Applied Life Science (BK21plus), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701,
Korea
| | - Suwha Kim
- Department of Life Science, Gwangju Institute of Science and Technology, Gwangju 500-712,
Korea
| | - Keun Woo Lee
- Division of Applied Life Science (BK21plus), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701,
Korea
| | - Zee-Yong Park
- Department of Life Science, Gwangju Institute of Science and Technology, Gwangju 500-712,
Korea
| | - William J. Lucas
- Department of Plant Biology, University of California, Davis, CA 95616,
USA
| | - Jae-Yean Kim
- Division of Applied Life Science (BK21plus), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701,
Korea
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12
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Ignacio IF, Carmela AA, Blondy CC. Recovery of active pathogenesis-related enzymes from the apoplast of Musa acuminata infected by Mycosphaerella fijiensis. ACTA ACUST UNITED AC 2015. [DOI: 10.5897/ajb2014.14334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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13
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Printz B, Dos Santos Morais R, Wienkoop S, Sergeant K, Lutts S, Hausman JF, Renaut J. An improved protocol to study the plant cell wall proteome. FRONTIERS IN PLANT SCIENCE 2015; 6:237. [PMID: 25914713 PMCID: PMC4392696 DOI: 10.3389/fpls.2015.00237] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Accepted: 03/25/2015] [Indexed: 05/19/2023]
Abstract
Cell wall proteins were extracted from alfalfa stems according to a three-steps extraction procedure using sequentially CaCl2, EGTA, and LiCl-complemented buffers. The efficiency of this protocol for extracting cell wall proteins was compared with the two previously published methods optimized for alfalfa stem cell wall protein analysis. Following LC-MS/MS analysis the three-steps extraction procedure resulted in the identification of the highest number of cell wall proteins (242 NCBInr identifiers) and gave the lowest percentage of non-cell wall proteins (about 30%). However, the three protocols are rather complementary than substitutive since 43% of the identified proteins were specific to one protocol. This three-step protocol was therefore selected for a more detailed proteomic characterization using 2D-gel electrophoresis. With this technique, 75% of the identified proteins were shown to be fraction-specific and 72.7% were predicted as belonging to the cell wall compartment. Although, being less sensitive than LC-MS/MS approaches in detecting and identifying low-abundant proteins, gel-based approaches are valuable tools for the differentiation and relative quantification of protein isoforms and/or modified proteins. In particular isoforms, having variations in their amino-acid sequence and/or carrying different N-linked glycan chains were detected and characterized. This study highlights how the extracting protocols as well as the analytical techniques devoted to the study of the plant cell wall proteome are complementary and how they may be combined to elucidate the dynamism of the plant cell wall proteome in biological studies. Data are available via ProteomeXchange with identifier PXD001927.
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Affiliation(s)
- Bruno Printz
- Environmental Research and Innovation Department, Luxembourg Institute of Science and TechnologyBelvaux, Luxembourg
- Groupe de Recherche en Physiologie Végétale, Earth and Life Institute Agronomy, Universiteì catholique de LouvainLouvain-la-Neuve, Belgium
| | - Raphaël Dos Santos Morais
- Environmental Research and Innovation Department, Luxembourg Institute of Science and TechnologyBelvaux, Luxembourg
| | - Stefanie Wienkoop
- Department for Molecular Systems Biology, University of ViennaVienna, Austria
| | - Kjell Sergeant
- Environmental Research and Innovation Department, Luxembourg Institute of Science and TechnologyBelvaux, Luxembourg
| | - Stanley Lutts
- Groupe de Recherche en Physiologie Végétale, Earth and Life Institute Agronomy, Universiteì catholique de LouvainLouvain-la-Neuve, Belgium
| | - Jean-Francois Hausman
- Environmental Research and Innovation Department, Luxembourg Institute of Science and TechnologyBelvaux, Luxembourg
| | - Jenny Renaut
- Environmental Research and Innovation Department, Luxembourg Institute of Science and TechnologyBelvaux, Luxembourg
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14
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Wei H, Brunecky R, Donohoe BS, Ding SY, Ciesielski PN, Yang S, Tucker MP, Himmel ME. Identifying the ionically bound cell wall and intracellular glycoside hydrolases in late growth stage Arabidopsis stems: implications for the genetic engineering of bioenergy crops. FRONTIERS IN PLANT SCIENCE 2015; 6:315. [PMID: 26029221 PMCID: PMC4429552 DOI: 10.3389/fpls.2015.00315] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Accepted: 04/21/2015] [Indexed: 05/07/2023]
Abstract
Identifying the cell wall-ionically bound glycoside hydrolases (GHs) in Arabidopsis stems is important for understanding the regulation of cell wall integrity. For cell wall proteomics studies, the preparation of clean cell wall fractions is a challenge since cell walls constitute an open compartment, which is more likely to contain a mixture of intracellular and extracellular proteins due to cell leakage at the late growth stage. Here, we utilize a CaCl2-extraction procedure to isolate non-structural proteins from Arabidopsis whole stems, followed by the in-solution and in-gel digestion methods coupled with Nano-LC-MS/MS, bioinformatics and literature analyses. This has led to the identification of 75 proteins identified using the in-solution method and 236 proteins identified by the in-gel method, among which about 10% of proteins predicted to be secreted. Together, eight cell wall proteins, namely AT1G75040, AT5G26000, AT3G57260, AT4G21650, AT3G52960, AT3G49120, AT5G49360, and AT3G14067, were identified by the in-solution method; among them, three were the GHs (AT5G26000, myrosinase 1, GH1; AT3G57260, β-1,3-glucanase 2, GH17; AT5G49360, bifunctional XYL 1/α-L-arabinofuranosidase, GH3). Moreover, four more GHs: AT4G30270 (xyloglucan endotransferase, GH16), AT1G68560 (bifunctional α-l-arabinofuranosidase/XYL, GH31), AT1G12240 (invertase, GH32) and AT2G28470 (β-galactosidase 8, GH35), were identified by the in-gel solution method only. Notably, more than half of above identified GHs are xylan- or hemicellulose-modifying enzymes, and will likely have an impact on cellulose accessibility, which is a critical factor for downstream enzymatic hydrolysis of plant tissues for biofuels production. The implications of these cell wall proteins identified at the late growth stage for the genetic engineering of bioenergy crops are discussed.
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Affiliation(s)
- Hui Wei
- Biosciences Center, National Renewable Energy LaboratoryGolden, CO, USA
- *Correspondence: Hui Wei and Michael E. Himmel, Biosciences Center, National Renewable Energy Laboratory, Golden, CO 80401, USA ;
| | - Roman Brunecky
- Biosciences Center, National Renewable Energy LaboratoryGolden, CO, USA
| | - Bryon S. Donohoe
- Biosciences Center, National Renewable Energy LaboratoryGolden, CO, USA
| | - Shi-You Ding
- Biosciences Center, National Renewable Energy LaboratoryGolden, CO, USA
- Department of Plant Biology, Michigan State UniversityEast Lansing, MI, USA
| | | | - Shihui Yang
- National Bioenergy Center, National Renewable Energy LaboratoryGolden, CO, USA
| | - Melvin P. Tucker
- National Bioenergy Center, National Renewable Energy LaboratoryGolden, CO, USA
| | - Michael E. Himmel
- Biosciences Center, National Renewable Energy LaboratoryGolden, CO, USA
- *Correspondence: Hui Wei and Michael E. Himmel, Biosciences Center, National Renewable Energy Laboratory, Golden, CO 80401, USA ;
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15
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Calderan-Rodrigues MJ, Jamet E, Bonassi MBCR, Guidetti-Gonzalez S, Begossi AC, Setem LV, Franceschini LM, Fonseca JG, Labate CA. Cell wall proteomics of sugarcane cell suspension cultures. Proteomics 2014; 14:738-49. [PMID: 24436144 DOI: 10.1002/pmic.201300132] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2013] [Revised: 11/10/2013] [Accepted: 12/01/2013] [Indexed: 12/21/2022]
Abstract
The use of cell walls to produce cellulosic ethanol from sugarcane bagasse is a new challenge. A better knowledge of proteins involved in cell wall remodelling is essential to improve the saccharification processes. Cell suspension cultures were used for this first cell wall proteomics study of sugarcane. Proteins extracted from cell walls were identified using an adapted protocol. They were extracted using 0.2 M CaCl2 and 2 M LiCl after purification of cell walls. The proteins were then identified by the innovative nanoACQUITY UPLC MS/MS technology and bioinformatics using the translated SUCEST EST cluster database of sugarcane. The experiments were reproduced three times. Since Sorghum bicolor is the closest plant with a fully sequenced genome, homologous proteins were searched for to complete the annotation of proteins, that is, prediction of subcellular localization and functional domains. Altogether, 69 different proteins predicted to be secreted were identified among 377 proteins. The reproducibility of the experiments is discussed. These proteins were distributed into eight functional classes. Oxidoreductases such as peroxidases were well represented, whereas glycoside hydrolases were scarce. This work provides information about the proteins that could be manipulated through genetic transformation, to increase second-generation ethanol production.
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Affiliation(s)
- Maria Juliana Calderan-Rodrigues
- Departamento de Genética, Laboratório Max Feffer de Genética de Plantas, Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba-SP, Brazil
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16
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Albenne C, Canut H, Hoffmann L, Jamet E. Plant Cell Wall Proteins: A Large Body of Data, but What about Runaways? Proteomes 2014; 2:224-242. [PMID: 28250379 PMCID: PMC5302738 DOI: 10.3390/proteomes2020224] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Revised: 04/08/2014] [Accepted: 04/08/2014] [Indexed: 11/16/2022] Open
Abstract
Plant cell wall proteomics has been a very dynamic field of research for about fifteen years. A full range of strategies has been proposed to increase the number of identified proteins and to characterize their post-translational modifications. The protocols are still improving to enlarge the coverage of cell wall proteomes. Comparisons between these proteomes have been done based on various working strategies or different physiological stages. In this review, two points are highlighted. The first point is related to data analysis with an overview of the cell wall proteomes already described. A large body of data is now available with the description of cell wall proteomes of seventeen plant species. CWP contents exhibit particularities in relation to the major differences in cell wall composition and structure between these plants and between plant organs. The second point is related to methodology and concerns the present limitations of the coverage of cell wall proteomes. Because of the variety of cell wall structures and of the diversity of protein/polysaccharide and protein/protein interactions in cell walls, some CWPs can be missing either because they are washed out during the purification of cell walls or because they are covalently linked to cell wall components.
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Affiliation(s)
- Cécile Albenne
- Université de Toulouse, UPS, UMR 5546, Laboratoire de Recherche en Sciences Végétales, BP 42617 Auzeville, F-31326 Castanet-Tolosan, France.
- CNRS, UMR 5546, BP 42617, F-31326 Castanet-Tolosan, France.
| | - Hervé Canut
- Université de Toulouse, UPS, UMR 5546, Laboratoire de Recherche en Sciences Végétales, BP 42617 Auzeville, F-31326 Castanet-Tolosan, France.
- CNRS, UMR 5546, BP 42617, F-31326 Castanet-Tolosan, France.
| | - Laurent Hoffmann
- Université de Toulouse, UPS, UMR 5546, Laboratoire de Recherche en Sciences Végétales, BP 42617 Auzeville, F-31326 Castanet-Tolosan, France.
- CNRS, UMR 5546, BP 42617, F-31326 Castanet-Tolosan, France.
| | - Elisabeth Jamet
- Université de Toulouse, UPS, UMR 5546, Laboratoire de Recherche en Sciences Végétales, BP 42617 Auzeville, F-31326 Castanet-Tolosan, France.
- CNRS, UMR 5546, BP 42617, F-31326 Castanet-Tolosan, France.
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17
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Albenne C, Canut H, Jamet E. Plant cell wall proteomics: the leadership of Arabidopsis thaliana. FRONTIERS IN PLANT SCIENCE 2013; 4:111. [PMID: 23641247 PMCID: PMC3640192 DOI: 10.3389/fpls.2013.00111] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Accepted: 04/10/2013] [Indexed: 05/18/2023]
Abstract
Plant cell wall proteins (CWPs) progressively emerged as crucial components of cell walls although present in minor amounts. Cell wall polysaccharides such as pectins, hemicelluloses, and cellulose represent more than 90% of primary cell wall mass, whereas hemicelluloses, cellulose, and lignins are the main components of lignified secondary walls. All these polymers provide mechanical properties to cell walls, participate in cell shape and prevent water loss in aerial organs. However, cell walls need to be modified and customized during plant development and in response to environmental cues, thus contributing to plant adaptation. CWPs play essential roles in all these physiological processes and particularly in the dynamics of cell walls, which requires organization and rearrangements of polysaccharides as well as cell-to-cell communication. In the last 10 years, plant cell wall proteomics has greatly contributed to a wider knowledge of CWPs. This update will deal with (i) a survey of plant cell wall proteomics studies with a focus on Arabidopsis thaliana; (ii) the main protein families identified and the still missing peptides; (iii) the persistent issue of the non-canonical CWPs; (iv) the present challenges to overcome technological bottlenecks; and (v) the perspectives beyond cell wall proteomics to understand CWP functions.
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Affiliation(s)
- Cécile Albenne
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, UPS, UMR 5546Castanet-Tolosan, France
- CNRS, UMR 5546Castanet-Tolosan, France
| | - Hervé Canut
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, UPS, UMR 5546Castanet-Tolosan, France
- CNRS, UMR 5546Castanet-Tolosan, France
| | - Elisabeth Jamet
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, UPS, UMR 5546Castanet-Tolosan, France
- CNRS, UMR 5546Castanet-Tolosan, France
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18
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Day A, Fénart S, Neutelings G, Hawkins S, Rolando C, Tokarski C. Identification of cell wall proteins in the flax (Linum usitatissimum
) stem. Proteomics 2013; 13:812-25. [DOI: 10.1002/pmic.201200257] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2012] [Revised: 10/08/2012] [Accepted: 11/14/2012] [Indexed: 11/12/2022]
Affiliation(s)
- Arnaud Day
- Université de Lille 1 Sciences et Technologies and Protéomique; Modifications Post-traductionnelles et Glycobiologie IFR 147, Villeneuve d'Ascq France
- Stress Abiotiques et Différenciation des Végétaux Cultivés (SADV); INRA UMR 1281, Villeneuve d'Ascq France
| | - Stéphane Fénart
- Université de Lille 1 Sciences et Technologies and Protéomique; Modifications Post-traductionnelles et Glycobiologie IFR 147, Villeneuve d'Ascq France
- Stress Abiotiques et Différenciation des Végétaux Cultivés (SADV); INRA UMR 1281, Villeneuve d'Ascq France
| | - Godfrey Neutelings
- Université de Lille 1 Sciences et Technologies and Protéomique; Modifications Post-traductionnelles et Glycobiologie IFR 147, Villeneuve d'Ascq France
- Stress Abiotiques et Différenciation des Végétaux Cultivés (SADV); INRA UMR 1281, Villeneuve d'Ascq France
| | - Simon Hawkins
- Université de Lille 1 Sciences et Technologies and Protéomique; Modifications Post-traductionnelles et Glycobiologie IFR 147, Villeneuve d'Ascq France
- Stress Abiotiques et Différenciation des Végétaux Cultivés (SADV); INRA UMR 1281, Villeneuve d'Ascq France
| | - Christian Rolando
- Université de Lille 1 Sciences et Technologies and Protéomique; Modifications Post-traductionnelles et Glycobiologie IFR 147, Villeneuve d'Ascq France
- Miniaturisation pour la Synthèse, l'Analyse & la Protéomique (MSAP); USR CNRS 3290; Villeneuve d'Ascq; France
| | - Caroline Tokarski
- Université de Lille 1 Sciences et Technologies and Protéomique; Modifications Post-traductionnelles et Glycobiologie IFR 147, Villeneuve d'Ascq France
- Miniaturisation pour la Synthèse, l'Analyse & la Protéomique (MSAP); USR CNRS 3290; Villeneuve d'Ascq; France
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19
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Yang Z, Bennett EP, Jørgensen B, Drew DP, Arigi E, Mandel U, Ulvskov P, Levery SB, Clausen H, Petersen BL. Toward stable genetic engineering of human O-glycosylation in plants. PLANT PHYSIOLOGY 2012; 160:450-63. [PMID: 22791304 PMCID: PMC3440218 DOI: 10.1104/pp.112.198200] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2012] [Accepted: 07/11/2012] [Indexed: 05/18/2023]
Abstract
Glycosylation is the most abundant and complex posttranslational modification to be considered for recombinant production of therapeutic proteins. Mucin-type (N-acetylgalactosamine [GalNAc]-type) O-glycosylation is found in eumetazoan cells but absent in plants and yeast, making these cell types an obvious choice for de novo engineering of this O-glycosylation pathway. We previously showed that transient implementation of O-glycosylation capacity in plants requires introduction of the synthesis of the donor substrate UDP-GalNAc and one or more polypeptide GalNAc-transferases for incorporating GalNAc residues into proteins. Here, we have stably engineered O-glycosylation capacity in two plant cell systems, soil-grown Arabidopsis (Arabidopsis thaliana) and tobacco (Nicotiana tabacum) Bright Yellow-2 suspension culture cells. Efficient GalNAc O-glycosylation of two stably coexpressed substrate O-glycoproteins was obtained, but a high degree of proline hydroxylation and hydroxyproline-linked arabinosides, on a mucin (MUC1)-derived substrate, was also observed. Addition of the prolyl 4-hydroxylase inhibitor 2,2-dipyridyl, however, effectively suppressed proline hydroxylation and arabinosylation of MUC1 in Bright Yellow-2 cells. In summary, stably engineered mammalian type O-glycosylation was established in transgenic plants, demonstrating that plants may serve as host cells for the production of recombinant O-glycoproteins. However, the present stable implementation further strengthens the notion that elimination of endogenous posttranslational modifications may be needed for the production of protein therapeutics.
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Affiliation(s)
- Zhang Yang
- Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Flakkebjerg, 4200 Slagelse, Denmark (Z.Y.); Department of Plant Biology and Biotechnology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (D.P.D., P.U., B.L.P.); Department of Agriculture and Ecology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (B.J.); and Center for Glycomics, Departments of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen N, Denmark (Z.Y., E.P.B., E.A., U.M., S.B.L., H.C.)
| | - Eric P. Bennett
- Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Flakkebjerg, 4200 Slagelse, Denmark (Z.Y.); Department of Plant Biology and Biotechnology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (D.P.D., P.U., B.L.P.); Department of Agriculture and Ecology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (B.J.); and Center for Glycomics, Departments of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen N, Denmark (Z.Y., E.P.B., E.A., U.M., S.B.L., H.C.)
| | - Bodil Jørgensen
- Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Flakkebjerg, 4200 Slagelse, Denmark (Z.Y.); Department of Plant Biology and Biotechnology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (D.P.D., P.U., B.L.P.); Department of Agriculture and Ecology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (B.J.); and Center for Glycomics, Departments of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen N, Denmark (Z.Y., E.P.B., E.A., U.M., S.B.L., H.C.)
| | | | - Emma Arigi
- Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Flakkebjerg, 4200 Slagelse, Denmark (Z.Y.); Department of Plant Biology and Biotechnology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (D.P.D., P.U., B.L.P.); Department of Agriculture and Ecology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (B.J.); and Center for Glycomics, Departments of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen N, Denmark (Z.Y., E.P.B., E.A., U.M., S.B.L., H.C.)
| | - Ulla Mandel
- Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Flakkebjerg, 4200 Slagelse, Denmark (Z.Y.); Department of Plant Biology and Biotechnology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (D.P.D., P.U., B.L.P.); Department of Agriculture and Ecology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (B.J.); and Center for Glycomics, Departments of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen N, Denmark (Z.Y., E.P.B., E.A., U.M., S.B.L., H.C.)
| | - Peter Ulvskov
- Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Flakkebjerg, 4200 Slagelse, Denmark (Z.Y.); Department of Plant Biology and Biotechnology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (D.P.D., P.U., B.L.P.); Department of Agriculture and Ecology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (B.J.); and Center for Glycomics, Departments of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen N, Denmark (Z.Y., E.P.B., E.A., U.M., S.B.L., H.C.)
| | - Steven B. Levery
- Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Flakkebjerg, 4200 Slagelse, Denmark (Z.Y.); Department of Plant Biology and Biotechnology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (D.P.D., P.U., B.L.P.); Department of Agriculture and Ecology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (B.J.); and Center for Glycomics, Departments of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen N, Denmark (Z.Y., E.P.B., E.A., U.M., S.B.L., H.C.)
| | - Henrik Clausen
- Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Flakkebjerg, 4200 Slagelse, Denmark (Z.Y.); Department of Plant Biology and Biotechnology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (D.P.D., P.U., B.L.P.); Department of Agriculture and Ecology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (B.J.); and Center for Glycomics, Departments of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen N, Denmark (Z.Y., E.P.B., E.A., U.M., S.B.L., H.C.)
| | - Bent L. Petersen
- Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Flakkebjerg, 4200 Slagelse, Denmark (Z.Y.); Department of Plant Biology and Biotechnology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (D.P.D., P.U., B.L.P.); Department of Agriculture and Ecology, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark (B.J.); and Center for Glycomics, Departments of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen N, Denmark (Z.Y., E.P.B., E.A., U.M., S.B.L., H.C.)
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20
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Proteomics of a toxic dinoflagellate Alexandrium catenella DH01: Detection and identification of cell surface proteins using fluorescent labeling. ACTA ACUST UNITED AC 2012. [DOI: 10.1007/s11434-012-5156-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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21
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O’Brien JA, Daudi A, Finch P, Butt VS, Whitelegge JP, Souda P, Ausubel FM, Bolwell GP. A peroxidase-dependent apoplastic oxidative burst in cultured Arabidopsis cells functions in MAMP-elicited defense. PLANT PHYSIOLOGY 2012; 158:2013-27. [PMID: 22319074 PMCID: PMC3320203 DOI: 10.1104/pp.111.190140] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2011] [Accepted: 01/26/2012] [Indexed: 05/17/2023]
Abstract
Perception by plants of so-called microbe-associated molecular patterns (MAMPs) such as bacterial flagellin, referred to as pattern-triggered immunity, triggers a rapid transient accumulation of reactive oxygen species (ROS). We previously identified two cell wall peroxidases, PRX33 and PRX34, involved in apoplastic hydrogen peroxide (H2O2) production in Arabidopsis (Arabidopsis thaliana). Here, we describe the generation of Arabidopsis tissue culture lines in which the expression of PRX33 and PRX34 is knocked down by antisense expression of a heterologous French bean (Phaseolus vulgaris) peroxidase cDNA construct. Using these tissue culture lines and two inhibitors of ROS generation, azide and diphenylene iodonium, we found that perxoxidases generate about half of the H2O2 that accumulated in response to MAMP treatment and that NADPH oxidases and other sources such as mitochondria account for the remainder of the ROS. Knockdown of PRX33/PRX34 resulted in decreased expression of several MAMP-elicited genes, including MYB51, CYP79B2, and CYP81F2. Similarly, proteomic analysis showed that knockdown of PRX33/PRX34 led to the depletion of various MAMP-elicited defense-related proteins, including the two cysteine-rich peptides PDF2.2 and PDF2.3. Knockdown of PRX33/PRX34 also led to changes in the cell wall proteome, including increases in enzymes involved in cell wall remodeling, which may reflect enhanced cell wall expansion as a consequence of reduced H2O2-mediated cell wall cross-linking. Comparative metabolite profiling of a CaCl2 extract of the PRX33/PRX34 knockdown lines showed significant changes in amino acids, aldehydes, and keto acids but not fatty acids and sugars. Overall, these data suggest that PRX33/PRX34-generated ROS production is involved in the orchestration of pattern-triggered immunity in tissue culture cells.
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Affiliation(s)
| | | | | | | | | | | | | | - G. Paul Bolwell
- School of Biological Sciences, Royal Holloway, University of London, Egham, Surrey TW20 0EX, United Kingdom (J.A.O., A.D., P.F., V.S.B., G.P.B.); Pasarow Mass Spectrometry Laboratory, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, California 90095 (J.P.W., P.S.); and Department of Genetics, Harvard Medical School, and Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114 (F.M.A.)
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Witzel K, Shahzad M, Matros A, Mock HP, Mühling KH. Comparative evaluation of extraction methods for apoplastic proteins from maize leaves. PLANT METHODS 2011; 7:48. [PMID: 22192489 PMCID: PMC3284877 DOI: 10.1186/1746-4811-7-48] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2011] [Accepted: 12/22/2011] [Indexed: 05/20/2023]
Abstract
Proteins in the plant apoplast are essential for many physiological processes. We have analysed and compared six different infiltration solutions for proteins contained in the apoplast to recognize the most suitable method for leaves and to establish proteome maps for each extraction. The efficiency of protocols was evaluated by comparing the protein patterns resolved by 1-DE and 2-DE, and revealed distinct characteristics for each infiltration solution. Nano-LC-ESI-Q-TOF MS analysis of all fractions was applied to cover all proteins differentially extracted by infiltration solutions and led to the identification of 328 proteins in total in apoplast preparations. The predicted subcellular protein localisation distinguished the examined infiltration solutions in those with high or low amounts of intracellular protein contaminations, and with high or low quantities of secreted proteins. All tested infiltration solution extracted different subsets of proteins, and those implications on apoplast-specific studies are discussed.
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Affiliation(s)
- Katja Witzel
- Institute of Plant Nutrition and Soil Science, Christian Albrechts University, Hermann-Rodewald-Strasse 2, 24118 Kiel, Germany
- Leibniz Institute of Vegetable and Ornamental Crops, Theodor-Echtermeyer-Weg 1, 14979 Großbeeren, Germany
| | - Muhammad Shahzad
- Institute of Plant Nutrition and Soil Science, Christian Albrechts University, Hermann-Rodewald-Strasse 2, 24118 Kiel, Germany
| | - Andrea Matros
- Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstrasse 3, 06466 Gatersleben, Germany
| | - Hans-Peter Mock
- Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstrasse 3, 06466 Gatersleben, Germany
| | - Karl H Mühling
- Institute of Plant Nutrition and Soil Science, Christian Albrechts University, Hermann-Rodewald-Strasse 2, 24118 Kiel, Germany
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23
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Wang L, Li Z, Qian W, Guo W, Gao X, Huang L, Wang H, Zhu H, Wu JW, Wang D, Liu D. The Arabidopsis purple acid phosphatase AtPAP10 is predominantly associated with the root surface and plays an important role in plant tolerance to phosphate limitation. PLANT PHYSIOLOGY 2011; 157:1283-99. [PMID: 21941000 PMCID: PMC3252131 DOI: 10.1104/pp.111.183723] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Accepted: 09/16/2011] [Indexed: 05/17/2023]
Abstract
Induction of secreted acid phosphatase (APase) is a universal response of higher plants to phosphate (Pi) limitation. These enzymes are thought to scavenge Pi from organophosphate compounds in the rhizosphere and thus to increase Pi availability to plants when Pi is deficient. The tight association of secreted APase with the root surface may make plants more efficient in the utilization of soil Pi around root tissues, which is present in organophosphate forms. To date, however, no systematic molecular, biochemical, and functional studies have been reported for any of the Pi starvation-induced APases that are associated with the root surface after secretion. In this work, using genetic and molecular approaches, we identified Arabidopsis (Arabidopsis thaliana) Purple Acid Phosphatase10 (AtPAP10) as a Pi starvation-induced APase that is predominantly associated with the root surface. The AtPAP10 protein has phosphatase activity against a variety of substrates. Expression of AtPAP10 is specifically induced by Pi limitation at both transcriptional and posttranscriptional levels. Functional analyses of multiple atpap10 mutant alleles and overexpressing lines indicated that AtPAP10 plays an important role in plant tolerance to Pi limitation. Genetic manipulation of AtPAP10 expression may provide an effective means for engineering new crops with increased tolerance to Pi deprivation.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Dong Liu
- The Ministry of Education Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (L.W., Z.L., W.G., X.G., L.H., H.W., J.-W.W., D.L.); State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China (W.Q., H.Z., D.W.)
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24
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Wang DZ, Dong HP, Li C, Xie ZX, Lin L, Hong HS. Identification and Characterization of Cell Wall Proteins of a Toxic Dinoflagellate Alexandrium catenella Using 2-D DIGE and MALDI TOF-TOF Mass Spectrometry. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2011; 2011:984080. [PMID: 21904561 PMCID: PMC3167152 DOI: 10.1155/2011/984080] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2011] [Accepted: 06/30/2011] [Indexed: 01/26/2023]
Abstract
The cell wall is an important subcellular component of dinoflagellate cells with regard to various aspects of cell surface-associated ecophysiology, but the full range of cell wall proteins (CWPs) and their functions remain to be elucidated. This study identified and characterized CWPs of a toxic dinoflagellate, Alexandrium catenella, using a combination of 2D fluorescence difference gel electrophoresis (DIGE) and MALDI TOF-TOF mass spectrometry approaches. Using sequential extraction and temperature shock methods, sequentially extracted CWPs and protoplast proteins, respectively, were separated from A. catenella. From the comparison between sequentially extracted CWPs labeled with Cy3 and protoplast proteins labeled with Cy5, 120 CWPs were confidently identified in the 2D DIGE gel. These proteins gave positive identification of protein orthologues in the protein database using de novo sequence analysis and homology-based search. The majority of the prominent CWPs identified were hypothetical or putative proteins with unknown function or no annotation, while cell wall modification enzymes, cell wall structural proteins, transporter/binding proteins, and signaling and defense proteins were tentatively identified in agreement with the expected role of the extracellular matrix in cell physiology. This work represents the first attempt to investigate dinoflagellate CWPs and provides a potential tool for future comprehensive characterization of dinoflagellate CWPs and elucidation of their physiological functions.
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Affiliation(s)
- Da-Zhi Wang
- State Key Laboratory of Marine Environmental Science, Environmental Science Research Centre, Xiamen University, Xiamen 361005, China
| | - Hong-Po Dong
- State Key Laboratory of Marine Environmental Science, Environmental Science Research Centre, Xiamen University, Xiamen 361005, China
| | - Cheng Li
- State Key Laboratory of Marine Environmental Science, Environmental Science Research Centre, Xiamen University, Xiamen 361005, China
| | - Zhang-Xian Xie
- State Key Laboratory of Marine Environmental Science, Environmental Science Research Centre, Xiamen University, Xiamen 361005, China
| | - Lin Lin
- State Key Laboratory of Marine Environmental Science, Environmental Science Research Centre, Xiamen University, Xiamen 361005, China
| | - Hua-Sheng Hong
- State Key Laboratory of Marine Environmental Science, Environmental Science Research Centre, Xiamen University, Xiamen 361005, China
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25
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Agrawal GK, Bourguignon J, Rolland N, Ephritikhine G, Ferro M, Jaquinod M, Alexiou KG, Chardot T, Chakraborty N, Jolivet P, Doonan JH, Rakwal R. Plant organelle proteomics: collaborating for optimal cell function. MASS SPECTROMETRY REVIEWS 2011; 30:772-853. [PMID: 21038434 DOI: 10.1002/mas.20301] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2009] [Revised: 02/02/2010] [Accepted: 02/02/2010] [Indexed: 05/10/2023]
Abstract
Organelle proteomics describes the study of proteins present in organelle at a particular instance during the whole period of their life cycle in a cell. Organelles are specialized membrane bound structures within a cell that function by interacting with cytosolic and luminal soluble proteins making the protein composition of each organelle dynamic. Depending on organism, the total number of organelles within a cell varies, indicating their evolution with respect to protein number and function. For example, one of the striking differences between plant and animal cells is the plastids in plants. Organelles have their own proteins, and few organelles like mitochondria and chloroplast have their own genome to synthesize proteins for specific function and also require nuclear-encoded proteins. Enormous work has been performed on animal organelle proteomics. However, plant organelle proteomics has seen limited work mainly due to: (i) inter-plant and inter-tissue complexity, (ii) difficulties in isolation of subcellular compartments, and (iii) their enrichment and purity. Despite these concerns, the field of organelle proteomics is growing in plants, such as Arabidopsis, rice and maize. The available data are beginning to help better understand organelles and their distinct and/or overlapping functions in different plant tissues, organs or cell types, and more importantly, how protein components of organelles behave during development and with surrounding environments. Studies on organelles have provided a few good reviews, but none of them are comprehensive. Here, we present a comprehensive review on plant organelle proteomics starting from the significance of organelle in cells, to organelle isolation, to protein identification and to biology and beyond. To put together such a systematic, in-depth review and to translate acquired knowledge in a proper and adequate form, we join minds to provide discussion and viewpoints on the collaborative nature of organelles in cell, their proper function and evolution.
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Affiliation(s)
- Ganesh Kumar Agrawal
- Research Laboratory for Biotechnology and Biochemistry (RLABB), P.O. Box 13265, Sanepa, Kathmandu, Nepal.
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26
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Ligat L, Lauber E, Albenne C, San Clemente H, Valot B, Zivy M, Pont-Lezica R, Arlat M, Jamet E. Analysis of the xylem sap proteome of Brassica oleracea reveals a high content in secreted proteins. Proteomics 2011; 11:1798-813. [PMID: 21413152 DOI: 10.1002/pmic.201000781] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2010] [Revised: 02/01/2011] [Accepted: 02/01/2011] [Indexed: 01/03/2023]
Abstract
Xylem plays a major role in plant development and is considered part of the apoplast. Here, we studied the proteome of Brassica oleracea cv Bartolo and compared it to the plant cell wall proteome of another Brassicaceae, the model plant Arabidopsis thaliana. B. oleracea was chosen because it is technically difficult to harvest enough A. thaliana xylem sap for proteomic analysis. We studied the whole proteome and an N-glycoproteome obtained after Concanavalin A affinity chromatography. Altogether, 189 proteins were identified by LC-MS/MS using Brassica EST and cDNA sequences. A predicted signal peptide was found in 164 proteins suggesting that most proteins of the xylem sap are secreted. Eighty-one proteins were identified in the N-glycoproteome, with 25 of them specific of this fraction, suggesting that they were concentrated during the chromatography step. All the protein families identified in this study were found in the cell wall proteomes. However, proteases and oxido-reductases were more numerous in the xylem sap proteome, whereas enzyme inhibitors were rare. The origin of xylem sap proteins is discussed. All the experimental data including the MS/MS data were made available in the WallProtDB cell wall proteomic database.
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Affiliation(s)
- Laetitia Ligat
- Université de Toulouse, UPS, UMR, Surfaces Cellulaires et Signalisation chez les Végétaux, Castanet-Tolosan, France
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27
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Gokulakannan GG, Niehaus K. Characterization of the Medicago truncatula cell wall proteome in cell suspension culture upon elicitation and suppression of plant defense. JOURNAL OF PLANT PHYSIOLOGY 2010; 167:1533-41. [PMID: 20801546 DOI: 10.1016/j.jplph.2010.06.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2010] [Revised: 05/14/2010] [Accepted: 06/05/2010] [Indexed: 05/18/2023]
Abstract
In addition to establishing methods for proteome analysis of cell wall proteins (CWPs) for the model plant Medicago truncatula, this work highlights the presence of several protein classes in cell culture. Using a combination of two-dimensional gel electrophoresis (2D-PAGE) and/or liquid chromatography-tandem mass spectrometry (LC-MS/MS), we established the proteome reference map of M. truncatula cell wall proteins. CWPs extracted from purified cell wall fragments resulted in the identification of 46 (2D-PAGE) and 65 (LC-MS/MS) proteins, respectively, with a total of 111 proteins. The identified proteins are involved in various processes, including cell wall modifications, signaling, defense mechanisms, membrane transport, protein synthesis and processing. Further, we conducted comparative proteome analysis to identify changes in protein composition during interaction of M. truncatula cell suspension culture with a pathogen-derived yeast elicitor (YE) and suppressor using Sinorhizobium meliloti LPS. 2D-PAGE analysis for the CWPs after YE and LPS treatment resembled the proteome map of YE alone, with a few up-regulated proteins involved in defense, and in the case of the LPS-treated cell wall proteome, there was no significant difference observed. Using this approach, proteins involved in defense, such as l-ascorbate peroxidase, specifically targeted proteins to the cell wall during defense, including glyceraldehyde-3-phosphate dehydrogenase (GAPDH), and proteins that play an important role during growth and development were identified. Also, some defense-related proteins were absent in the same gel after YE treatment, suggesting that oxidant protection is regulated by these proteins.
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Affiliation(s)
- Gomathi Gandhi Gokulakannan
- Department of Proteome and Metabolome Research, Faculty of Biology, Bielefeld University, POB 100131, D-33501 Bielefeld, Germany.
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28
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Pandey A, Rajamani U, Verma J, Subba P, Chakraborty N, Datta A, Chakraborty S, Chakraborty N. Identification of extracellular matrix proteins of rice (Oryza sativa L.) involved in dehydration-responsive network: a proteomic approach. J Proteome Res 2010; 9:3443-64. [PMID: 20433195 DOI: 10.1021/pr901098p] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Water-deficit or dehydration impairs almost all physiological processes and greatly influences the geographical distribution of many crop species. It has been postulated that higher plants rely mostly on induction mechanisms to maintain cellular integrity during stress conditions. Plant cell wall or extracellular matrix (ECM) forms an important conduit for signal transduction between the apoplast and symplast and acts as front-line defense, thereby playing a key role in cell fate decision under various stress conditions. To better understand the molecular mechanism of dehydration response in plants, four-week-old rice seedlings were subjected to progressive dehydration by withdrawing water and the changes in the ECM proteome were examined using two-dimensional gel electrophoresis. Dehydration-responsive temporal changes revealed 192 proteins that change their intensities by more than 2.5-fold, at one or more time points during dehydration. The proteomic analysis led to the identification of about 100 differentially regulated proteins presumably involved in a variety of functions, including carbohydrate metabolism, cell defense and rescue, cell wall modification, cell signaling and molecular chaperones, among others. The differential rice proteome was compared with the dehydration-responsive proteome data of chickpea and maize. The results revealed an evolutionary divergence in the dehydration response as well as organ specificity, with few conserved proteins. The differential expression of the candidate proteins, in conjunction with previously reported results, may provide new insight into the underlying mechanisms of the dehydration response in plants. This may also facilitate the targeted alteration of metabolic routes in the cell wall for agricultural and industrial exploitation.
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Affiliation(s)
- Aarti Pandey
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi-110067, India
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29
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Proteomics of plant pathogenic fungi. J Biomed Biotechnol 2010; 2010:932527. [PMID: 20589070 PMCID: PMC2878683 DOI: 10.1155/2010/932527] [Citation(s) in RCA: 100] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2009] [Revised: 02/03/2010] [Accepted: 03/01/2010] [Indexed: 12/15/2022] Open
Abstract
Plant pathogenic fungi cause important yield losses in crops. In order to develop efficient and environmental friendly crop protection strategies, molecular studies of the fungal biological cycle, virulence factors, and interaction with its host are necessary. For that reason, several approaches have been performed using both classical genetic, cell biology, and biochemistry and the modern, holistic, and high-throughput, omic techniques. This work briefly overviews the tools available for studying Plant Pathogenic Fungi and is amply focused on MS-based Proteomics analysis, based on original papers published up to December 2009. At a methodological level, different steps in a proteomic workflow experiment are discussed. Separate sections are devoted to fungal descriptive (intracellular, subcellular, extracellular) and differential expression proteomics and interactomics. From the work published we can conclude that Proteomics, in combination with other techniques, constitutes a powerful tool for providing important information about pathogenicity and virulence factors, thus opening up new possibilities for crop disease diagnosis and crop protection.
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30
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Berna A, Bernier F, Chabrière E, Elias M, Scott K, Suh A. For whom the bell tolls? DING proteins in health and disease. Cell Mol Life Sci 2009; 66:2205-18. [PMID: 19290474 PMCID: PMC11115607 DOI: 10.1007/s00018-009-0006-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2008] [Revised: 02/09/2009] [Accepted: 02/13/2009] [Indexed: 11/29/2022]
Abstract
DING proteins, identified mainly by their eponymous N-terminal sequences, are ubiquitous in living organisms. Amongst bacteria, they are common in pseudomonads, and have been characterised with respect to genetics and structure. They form part of a wider family of phosphate-binding proteins, with emerging roles in phosphate acquisition and pathogenicity. Many DING proteins have been isolated in eukaryotes, in which they have been associated with very diverse biological activities, often in the context of possible signalling roles. Disease states in which DING proteins have been implicated include rheumatoid arthritis, lithiasis, atherosclerosis, some tumours and tumour-associated cachexia, and bacterial and viral adherence. Complete genetic and structural characterisation of eukaryotic DING genes and proteins is still lacking, though the phosphate-binding site seems to be conserved. Whether as bacterial proteins related to bacterial pathogenicity, or as eukaryotic components of biochemical signalling systems, DING proteins require further study.
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Affiliation(s)
- Anne Berna
- Institut de Biologie Moléculaire des Plantes du CNRS, Institut de Botanique, Université de Strasbourg, 28 rue Goethe, Strasbourg Cedex, France.
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31
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Berna A, Scott K, Chabrière E, Bernier F. The DING family of proteins: ubiquitous in eukaryotes, but where are the genes? Bioessays 2009; 31:570-80. [PMID: 19360767 DOI: 10.1002/bies.200800174] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
PstS and DING proteins are members of a superfamily of secreted, high-affinity phosphate-binding proteins. Whereas microbial PstS have a well-defined role in phosphate ABC transporters, the physiological function of DING proteins, named after their DINGGG N termini, still needs to be determined. PstS and DING proteins co-exist in some Pseudomonas strains, to which they confer a highly adhesive and virulent phenotype. More than 30 DING proteins have now been purified, mostly from eukaryotes. They are often associated with infections or with dysregulation of cell proliferation. Consequently, eukaryotic DING proteins could also be involved in cell-cell communication or adherence. The ubiquitous presence in eukaryotes of proteins structurally and functionally related to bacterial virulence factors is intriguing, as is the absence of eukaryotic genes encoding DING proteins in databases. DING proteins in eukaryotes could originate from unidentified commensal or symbiotic bacteria and could contribute to essential functions. Alternatively, DING proteins could be encoded by eukaryotic genes sharing special features that prevent their cloning. Both hypotheses are discussed.
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Affiliation(s)
- Anne Berna
- Institut de Biologie Moléculaire des Plantes du CNRS, Université Louis Pasteur, Institut de Botanique, Strasbourg Cedex, France
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32
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Millar DJ, Whitelegge JP, Bindschedler LV, Rayon C, Boudet AM, Rossignol M, Borderies G, Bolwell GP. The cell wall and secretory proteome of a tobacco cell line synthesising secondary wall. Proteomics 2009; 9:2355-72. [PMID: 19402043 DOI: 10.1002/pmic.200800721] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2008] [Indexed: 01/04/2023]
Abstract
The utility of plant secondary cell wall biomass for industrial and biofuel purposes depends upon improving cellulose amount, availability and extractability. The possibility of engineering such biomass requires much more knowledge of the genes and proteins involved in the synthesis, modification and assembly of cellulose, lignin and xylans. Proteomic data are essential to aid gene annotation and understanding of polymer biosynthesis. Comparative proteomes were determined for secondary walls of stem xylem and transgenic xylogenic cells of tobacco and detected peroxidase, cellulase, chitinase, pectinesterase and a number of defence/cell death related proteins, but not marker proteins of primary walls such as xyloglucan endotransglycosidase and expansins. Only the corresponding detergent soluble proteome of secretory microsomes from the xylogenic cultured cells, subjected to ion-exchange chromatography, could be determined accurately since, xylem-specific membrane yields were of poor quality from stem tissue. Among the 109 proteins analysed, many of the protein markers of the ER such as BiP, HSP70, calreticulin and calnexin were identified, together with some of the biosynthetic enzymes and associated polypeptides involved in polymer synthesis. However 53% of these endomembrane proteins failed identification despite the use of two different MS methods, leaving considerable possibilities for future identification of novel proteins involved in secondary wall polymer synthesis once full genomic data are available.
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Affiliation(s)
- David J Millar
- School of Biological Sciences, Royal Holloway, University of London, Egham, Surrey, UK
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33
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Cho WK, Chen XY, Chu H, Rim Y, Kim S, Kim ST, Kim SW, Park ZY, Kim JY. Proteomic analysis of the secretome of rice calli. PHYSIOLOGIA PLANTARUM 2009; 135:331-41. [PMID: 19226311 DOI: 10.1111/j.1399-3054.2008.01198.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The cell wall and extracellular matrix in higher plants include secreted proteins that play critical roles in a wide range of cellular processes, such as structural integrity and biogenesis. Compared with the intensive cell wall proteomic studies in Arabidopsis, the list of cell wall proteins identified in monocot species is lacking. Therefore, we conducted a large-scale proteomic analysis of secreted proteins from rice. Highly purified secreted rice proteins were obtained from the medium of a suspension of callus culture and were analyzed with multidimensional protein identification technology (MudPIT). As a result, we could detect a total of 555 rice proteins by MudPIT analysis. Based on bioinformatic analyses, 27.7% (154 proteins) of the identified proteins are considered to be secreted proteins because they possess a signal peptide for the secretory pathway. Among the 154 identified proteins, 27% were functionally categorized as stress response proteins, followed by metabolic proteins (26%) and factors involved in protein modification (24%). Comparative analysis of cell wall proteins from Arabidopsis and rice revealed that one third of the secreted rice proteins overlapped with those of Arabidopsis. Furthermore, 25 novel rice-specific secreted proteins were found. This work presents the large scale of the rice secretory proteome from culture medium, which contributes to a deeper understanding of the rice secretome.
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Affiliation(s)
- Won Kyong Cho
- Division of Applied Life Science (BK21 Program), Graduate School, Environmental Biotechnology National Core Research Center, PMBBRC, Gyeongsang National University, Jinju, Korea
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Davis EJ, Chen D, Dewald DB, Shope J, MacAdam J, Wu Y. Searching for new cell wall protein genes in Arabidopsis. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2009; 47:81-85. [PMID: 19027309 DOI: 10.1016/j.plaphy.2008.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2008] [Accepted: 10/01/2008] [Indexed: 05/27/2023]
Abstract
The objective of this study was to test an approach that combines bioinformatic and subcellular localization analysis to identify novel cell wall protein genes in Arabidopsis. Proteins with unknown function in the Arabidopsis genome were first identified and scanned for the presence of N-terminal signal peptides. The signal peptide-containing function-unknown proteins were further analyzed to eliminate the ones containing other sequences, such as endoplasmic reticulum and vacuole retention signals, that may prevent a protein from secretion into cell walls. The top ten genes passing the bioinformatic analysis were selected for protein subcellular localization using green fluorescence protein (GFP) as a reporter. A vector was constructed for high throughput gene-GFP fusion protein generation and overexpression in Arabidopsis for gene function analysis. Transformants of six genes showed reasonable expression of GFP fusion protein. However, none of the transformants showed GFP localization in cell walls. The low rate of new cell wall protein discovery suggests that the number of unidentified cell wall proteins in the Arabidopsis genome may be small.
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Affiliation(s)
- Elizabeth J Davis
- Department of Plants, Soils, and Climate, Utah State University, Logan, UT 84322, USA
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35
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Kaffarnik FA, Jones AM, Rathjen JP, Peck SC. Effector Proteins of the Bacterial Pathogen Pseudomonas syringae Alter the Extracellular Proteome of the Host Plant, Arabidopsis thaliana. Mol Cell Proteomics 2009; 8:145-56. [DOI: 10.1074/mcp.m800043-mcp200] [Citation(s) in RCA: 92] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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Luczak M, Bugajewska A, Wojtaszek P. Inhibitors of protein glycosylation or secretion change the pattern of extracellular proteins in suspension-cultured cells of Arabidopsis thaliana. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2008; 46:962-969. [PMID: 18650099 DOI: 10.1016/j.plaphy.2008.06.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2007] [Revised: 06/03/2008] [Accepted: 06/08/2008] [Indexed: 05/26/2023]
Abstract
Cell walls are essential for plant development and morphogenesis. The majority of wall proteins are glycosylated, either as N- or O-glycans. Various inhibitors of glycosylation and secretion are used to determine the importance of wall proteins for the functioning of the walls. Tunicamycin is an inhibitor of the first enzyme in the N-glycosylation pathway, 3,4-dehydroproline inhibits peptidyl proline hydroxylation, and Brefeldin A is an inhibitor of vesicle trafficking, disrupting the delivery of wall polymers to the apoplast. In inhibitor-treated suspension-cultured Arabidopsis thaliana cells, qualitative and quantitative differences in the extracellular proteome were observed for both proteins secreted into medium or ionically-bound in the walls. Lack of O-glycosylation resulted in the selective protein loss from the extracellular compartments. Following tunicamycin treatment the secretion of additional proteins as well as ER-resident chaperones from the Hsp70 and Hsp90 families outside the protoplasts was noted. Moreover, changes in the proteolytic degradation pattern of culture filtrate proteins were also observed. Application of Brefeldin A resulted in transient and selective loss of individual proteins from the extracellular compartments of A. thaliana cell suspension. We conclude that post-translational modifications are vital for the proper functioning of wall proteins. N-glycosylation is crucial for their proper folding and stability. Extracellular compartments could also serve as a sink for improperly folded proteins during the unfolded protein response.
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Affiliation(s)
- Magdalena Luczak
- Department of Molecular and Cellular Biology, Adam Mickiewicz University, Miedzychodzka 5, 60-371 Poznań, Poland
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Kim HJ, Kato N, Kim S, Triplett B. Cu/Zn superoxide dismutases in developing cotton fibers: evidence for an extracellular form. PLANTA 2008; 228:281-92. [PMID: 18425534 PMCID: PMC2440947 DOI: 10.1007/s00425-008-0734-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2008] [Accepted: 03/31/2008] [Indexed: 05/20/2023]
Abstract
Hydrogen peroxide and other reactive oxygen species are important signaling molecules in diverse physiological processes. Previously, we discovered superoxide dismutase (SOD) activity in extracellular protein preparations from fiber-bearing cotton (Gossypium hirsutum L.) seeds. We show here, based on immunoreactivity, that the enzyme is a Cu/Zn-SOD (CSD). Immunogold localization shows that CSD localizes to secondary cell walls of developing cotton fibers. Five cotton CSD cDNAs were cloned from cotton fiber and classified into three subfamilies (Group 1: GhCSD1; Group 2: GhCSD2a and GhCSD2b; Group 3: GhCSD3 and GhCSD3s). Members of Group 1 and 2 are expressed throughout fiber development, but predominant during the elongation stage. Group 3 CSDs are also expressed throughout fiber development, but transiently increase in abundance at the transition period between cell elongation and secondary cell wall synthesis. Each of the three GhCSDs also has distinct patterns of expression in tissues other than fiber. Overexpression of cotton CSDs fused to green fluorescent protein in transgenic Arabidopsis demonstrated that GhCSD1 localizes to the cytosol, GhCSD2a localizes to plastids, and GhCSD3 is translocated to the cell wall. Subcellular fractionation of proteins from transgenic Arabidopsis seedlings confirmed that only c-myc epitope-tagged GhCSD3 co-purifies with cell wall proteins. Extracellular CSDs have been suggested to be involved in lignin formation in secondary cell walls of other plants. Since cotton fibers are not lignified, we suggest that extracellular CSDs may be involved in other plant cell wall growth and development processes.
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Affiliation(s)
- Hee Jin Kim
- Department of Biological Sciences, University of New Orleans, New Orleans, LA 70148 USA
| | - Naohiro Kato
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA 70803 USA
| | - Sunran Kim
- USDA-ARS, Southern Regional Research Center, 1100 Robert E. Lee Blvd, New Orleans, LA 70124 USA
- Present Address: Department of Biochemistry, University of Missouri, Columbia, MO 65211 USA
| | - Barbara Triplett
- USDA-ARS, Southern Regional Research Center, 1100 Robert E. Lee Blvd, New Orleans, LA 70124 USA
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Kim HJ, Kato N, Kim S, Triplett B. Cu/Zn superoxide dismutases in developing cotton fibers: evidence for an extracellular form. PLANTA 2008. [PMID: 18425534 DOI: 10.1007/s00425008-0734-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Hydrogen peroxide and other reactive oxygen species are important signaling molecules in diverse physiological processes. Previously, we discovered superoxide dismutase (SOD) activity in extracellular protein preparations from fiber-bearing cotton (Gossypium hirsutum L.) seeds. We show here, based on immunoreactivity, that the enzyme is a Cu/Zn-SOD (CSD). Immunogold localization shows that CSD localizes to secondary cell walls of developing cotton fibers. Five cotton CSD cDNAs were cloned from cotton fiber and classified into three subfamilies (Group 1: GhCSD1; Group 2: GhCSD2a and GhCSD2b; Group 3: GhCSD3 and GhCSD3s). Members of Group 1 and 2 are expressed throughout fiber development, but predominant during the elongation stage. Group 3 CSDs are also expressed throughout fiber development, but transiently increase in abundance at the transition period between cell elongation and secondary cell wall synthesis. Each of the three GhCSDs also has distinct patterns of expression in tissues other than fiber. Overexpression of cotton CSDs fused to green fluorescent protein in transgenic Arabidopsis demonstrated that GhCSD1 localizes to the cytosol, GhCSD2a localizes to plastids, and GhCSD3 is translocated to the cell wall. Subcellular fractionation of proteins from transgenic Arabidopsis seedlings confirmed that only c-myc epitope-tagged GhCSD3 co-purifies with cell wall proteins. Extracellular CSDs have been suggested to be involved in lignin formation in secondary cell walls of other plants. Since cotton fibers are not lignified, we suggest that extracellular CSDs may be involved in other plant cell wall growth and development processes.
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Affiliation(s)
- Hee Jin Kim
- Department of Biological Sciences, University of New Orleans, New Orleans, LA 70148, USA
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39
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Casasoli M, Spadoni S, Lilley KS, Cervone F, De Lorenzo G, Mattei B. Identification by 2-D DIGE of apoplastic proteins regulated by oligogalacturonides inArabidopsis thaliana. Proteomics 2008; 8:1042-54. [DOI: 10.1002/pmic.200700523] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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40
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Jamet E, Albenne C, Boudart G, Irshad M, Canut H, Pont-Lezica R. Recent advances in plant cell wall proteomics. Proteomics 2008; 8:893-908. [DOI: 10.1002/pmic.200700938] [Citation(s) in RCA: 162] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Webster JM, Oxley D, Pettolino FA, Bacic A. Characterisation of secreted polysaccharides and (glyco)proteins from suspension cultures of Pyrus communis. PHYTOCHEMISTRY 2008; 69:873-81. [PMID: 18037144 DOI: 10.1016/j.phytochem.2007.10.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2007] [Revised: 08/21/2007] [Accepted: 10/05/2007] [Indexed: 05/24/2023]
Abstract
High molecular weight material recovered from the culture filtrate of cell suspension cultured Pyrus communis was composed of 81% carbohydrate, 13% protein and 5% inorganic material. This material was separated into three fractions (one neutral (Fraction A) and two acidic (Fractions B and C)), by anion-exchange chromatography on DEAE-Sepharose CL-6B using a gradient of imidazole-HCl at pH 7.0. The monosaccharide and linkage composition of each fraction was determined after carboxyl reduction of uronic acid residues. From the combined results of the carbohydrate analyses, we conclude that the high molecular weight extracellular material consists of three major and two minor polysaccharides: a (fucogalacto)xyloglucan (36%) in the unbound neutral Fraction A; a type II arabinogalactan (as an arabinogalactan-protein, 29%) and an acidic (glucurono)arabinoxylan (2%) in Fraction B; and a galacturonan (33%) and a trace of heteromannan in Fraction C. The main amino acids in the proteins were Glx, Thr, Ser, Hyp/Pro and Gly. Further separation of Fraction B by solvent partition, SDS-PAGE and analysis by LC-MS/MS identified the major proteins as two chitanases, two thaumatin-like proteins, a beta-1,3-glucanase, an extracellular dermal glycoprotein and a pathogenesis-related protein.
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Affiliation(s)
- Judith M Webster
- CRC for Bioproducts, School of Botany, University of Melbourne, Victoria 3010, Australia
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Perera T, Berna A, Scott K, Lemaitre-Guillier C, Bernier F. Proteins related to St. John's Wort p27SJ, a suppressor of HIV-1 expression, are ubiquitous in plants. PHYTOCHEMISTRY 2008; 69:865-72. [PMID: 18006028 DOI: 10.1016/j.phytochem.2007.10.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2007] [Revised: 09/28/2007] [Accepted: 10/01/2007] [Indexed: 05/25/2023]
Abstract
Proteins belonging to the family of DING proteins are ubiquitous in animals and several of them are associated with various diseases. Their presence in a few plant species has previously been reported and the St John's Wort DING protein was recently described as an inhibitor of HIV replication and transcription. However, data about DING protein occurrence in plants and their biochemical properties remain almost nonexistent. We describe methods for the purification of DING proteins from plants that may have general applicability since they are not dependent upon specific affinity ligands, contrary to previously described protocols. Cibacron Blue chromatography, sometimes preceded by an ion-exchange chromatographic step, is suitable for most plant extracts. DING proteins were purified from various species and cell types and their identity was confirmed immunologically and, in some cases, by N-terminal sequence analysis, indicating that they are ubiquitous in the plant kingdom. They are associated with the cell wall and sometimes secreted in the medium for in vitro grown cells. High-molecular-weight DING precursors were often observed. Internal peptides were also sequenced, as a prelude to gene cloning experiments.
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Affiliation(s)
- Tekla Perera
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
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Zhu J, Alvarez S, Marsh EL, Lenoble ME, Cho IJ, Sivaguru M, Chen S, Nguyen HT, Wu Y, Schachtman DP, Sharp RE. Cell wall proteome in the maize primary root elongation zone. II. Region-specific changes in water soluble and lightly ionically bound proteins under water deficit. PLANT PHYSIOLOGY 2007; 145:1533-48. [PMID: 17951457 PMCID: PMC2151692 DOI: 10.1104/pp.107.107250] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2007] [Accepted: 10/13/2007] [Indexed: 05/17/2023]
Abstract
Previous work on the adaptation of maize (Zea mays) primary roots to water deficit showed that cell elongation is maintained preferentially toward the apex, and that this response involves modification of cell wall extension properties. To gain a comprehensive understanding of how cell wall protein (CWP) composition changes in association with the differential growth responses to water deficit in different regions of the elongation zone, a proteomics approach was used to examine water soluble and loosely ionically bound CWPs. The results revealed major and predominantly region-specific changes in protein profiles between well-watered and water-stressed roots. In total, 152 water deficit-responsive proteins were identified and categorized into five groups based on their potential function in the cell wall: reactive oxygen species (ROS) metabolism, defense and detoxification, hydrolases, carbohydrate metabolism, and other/unknown. The results indicate that stress-induced changes in CWPs involve multiple processes that are likely to regulate the response of cell elongation. In particular, the changes in protein abundance related to ROS metabolism predicted an increase in apoplastic ROS production in the apical region of the elongation zone of water-stressed roots. This was verified by quantification of hydrogen peroxide content in extracted apoplastic fluid and by in situ imaging of apoplastic ROS levels. This response could contribute directly to the enhancement of wall loosening in this region. This large-scale proteomic analysis provides novel insights into the complexity of mechanisms that regulate root growth under water deficit conditions and highlights the spatial differences in CWP composition in the root elongation zone.
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Affiliation(s)
- Jinming Zhu
- Division of Plant Sciences, University of Missouri, Columbia, Missouri 65211, USA
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Bhadauria V, Zhao WS, Wang LX, Zhang Y, Liu JH, Yang J, Kong LA, Peng YL. Advances in fungal proteomics. Microbiol Res 2007; 162:193-200. [PMID: 17493794 DOI: 10.1016/j.micres.2007.03.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2007] [Revised: 03/08/2007] [Accepted: 03/10/2007] [Indexed: 10/23/2022]
Abstract
Proteomics, the global analysis of proteins, will contribute greatly to our understanding of gene function in the post-genomic era. This review summarizes recent developments in fungal proteomics and also generalizes protocols for sample preparation from plant pathogenic fungi. Challenges and future perspectives of proteomics are discussed as well.
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Affiliation(s)
- Vijai Bhadauria
- The MOA Key Laboratory of Molecular Plant Pathology, Department of Plant Pathology, China Agricultural University, Beijing 100094, China
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45
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Deepak S, Shailasree S, Sujeeth N, Kini RK, Shetty SH, Mithöfer A. Purification and characterization of proline/hydroxyproline-rich glycoprotein from pearl millet coleoptiles infected with downy mildew pathogen Sclerospora graminicola. PHYTOCHEMISTRY 2007; 68:298-305. [PMID: 17166528 DOI: 10.1016/j.phytochem.2006.10.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2006] [Revised: 10/16/2006] [Accepted: 10/21/2006] [Indexed: 05/13/2023]
Abstract
Hydroxyproline-rich glycoproteins (HRGPs) are important plant cell wall structural components, which are also involved in response to pathogen attack. In pearl millet, deposition and cross-linking of HRGPs in plant cell walls was shown to contribute to the formation of resistance barriers against the phytopathogenic oomycete Sclerospora graminicola. In the present study, the purification and characterization of HRGPs that accumulated in coleoptiles of pearl millet seedlings in response to S. graminicola inoculation has been carried out. Periodic acid Schiff's staining revealed that the purified protein was a glycoprotein. The protein to carbohydrate ratio was determined to be 95.5%:4.5% (w/w). Proline amounted for 20 mol% of the total amino acids as indicated by amino acid composition analysis. The isolated protein had a pI of 9.8 and was shown to be composed of subunits of 27, 17, and 14 kDa. Cross reactivity with the monoclonal antibody MAC 265 and the presence of the signature amino acid sequence, PVYK, strongly suggested to classify the purified glycoprotein as a member of the P/HRGPs class. In the presence of horseradish peroxidase and H2O2 the purified glycoprotein served as a substrate for oxidative cross-linking processes.
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Affiliation(s)
- Shantharaj Deepak
- Department of Studies in Applied Botany and Biotechnology, University of Mysore, Manasagangotri, Mysore 570006, Karnataka, India
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47
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Abstract
With the avalanche of genomic information and improvements in analytical technology, proteomics is becoming increasingly important for the study of many different aspects of plant functions. Since proteins serve as important components of major signaling and biochemical pathways, studies at protein levels are essential to reveal molecular mechanisms underlying plant growth, development, and interactions with the environment. The plant proteome is highly complex and dynamic. Although great strides need to be taken towards the ultimate goal of characterizing all the proteins in a proteome, current technologies have provided immense opportunities for high-throughput proteomic studies that have gone beyond simple protein identification to analyzing various functional aspects, such as quantification, PTM, subcellular localization, and protein-protein interactions. In this review of plant proteomics, advances in protein fractionation, separation, and MS will be outlined. Focus will be on recent development in functional analysis of plant proteins, which paves the way towards the comprehensive integration with transcriptomics, metabolomics, and other large scale "-omics" into systems biology.
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Affiliation(s)
- Sixue Chen
- Department of Botany and Genetics Institute, University of Florida, Gainesville, FL 32611-8526, USA.
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48
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Brizard JP, Carapito C, Delalande F, Van Dorsselaer A, Brugidou C. Proteome analysis of plant-virus interactome: comprehensive data for virus multiplication inside their hosts. Mol Cell Proteomics 2006; 5:2279-97. [PMID: 17000645 DOI: 10.1074/mcp.m600173-mcp200] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Known host-parasite molecular interactions are widespread among parasite families, but these interactions have to be particularly large considering that viruses generally encode few proteins. Although some particular virus-host interactions are well described, no global study has yet shown multiple and simultaneous interactions in a host-parasite biological system. To prove that these multiple interactions occur in biological conditions, the complexes formed by a plant virus (rice yellow mottle virus) and the proteins of its natural host (rice) were extracted and purified from infected tissue sample. Remarkably mass spectrometry permitted the identification of a large number of proteins from the complexes that are involved in different functions not encoded by the virus but probably essential for its biological life cycle. This recruiting of proteins was strongly confirmed by the repetition of experiments using different pairs of virus-host and the use of high salt concentration to extract the complexes. We mainly identified proteins involved in plant defense, metabolism, translation, and protein synthesis and some proteins involved in transport. This study demonstrates that viruses are able to recruit many proteins from their hosts to ensure their development. Among different pairs of virus-host, similar protein functions were identified suggesting a particular importance of these proteins for viruses. The identification of particular paralog proteins among multigenic families suggests the high specificity of the recruiting for some protein functions.
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Affiliation(s)
- Jean Paul Brizard
- Institut de Recherche pour le Développement (IRD), UMR 5096 (CNRS-IRD-Université Perpignan), 34394 Montpellier Cedex 5, France.
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Sarry JE, Kuhn L, Le Lay P, Garin J, Bourguignon J. Dynamics of Arabidopsis thaliana soluble proteome in response to different nutrient culture conditions. Electrophoresis 2006; 27:495-507. [PMID: 16358359 DOI: 10.1002/elps.200500561] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
In an effort to determine the best extraction procedure compatible with the high-reproducible 2-DE, different methods of soluble protein extraction from Arabidopsis cell culture suspensions grown in Gamborg B5 medium were tested. A reference 2-DE map was established for this soluble extract revealing 1184 spots. The most abundant protein spots were excised, trypsin-digested, and mass spectra obtained via MALDI-TOF and/or LC coupled to ESI-MS. Three hundred and thirty one proteins were identified and their functions were defined based on sequence comparisons and classified in different protein families. In order to analyze the impact of culture medium on the Arabidopsis proteome, we performed the 2-DE map from Arabidopsis cell suspensions cultured in another growth medium Murashige and Skoog (M-S) and 327 major spots were identified. Using PDQuest imaging analysis, significant increases in the amount of several housekeeping enzymes, stress/defense proteins, and heat shock proteins were found in M-S medium. Modified expression of certain proteins and detection of new isoforms involved in nitrate assimilation, nitrogen, and sulfur metabolism were also observed in the M-S medium. This study provides the first 2-DE maps of the soluble proteome of Arabidopsis cell suspensions. The comparative analysis of the Arabidopsis proteome in respect to different nutrient supplies shows that the culture medium may significantly influence the expression pattern of major soluble proteins in Arabidopsis cells. This work also constitutes an important step for further proteomic analysis concerning cell responses to abiotic or biotic stresses.
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Affiliation(s)
- Jean-Emmanuel Sarry
- Laboratoire de Physiologie Cellulaire Végétale, Department Reponse & Dynamique Cellulaires, CEA, Grenoble, France
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Bayer EM, Bottrill AR, Walshaw J, Vigouroux M, Naldrett MJ, Thomas CL, Maule AJ. Arabidopsis cell wall proteome defined using multidimensional protein identification technology. Proteomics 2006; 6:301-11. [PMID: 16287169 DOI: 10.1002/pmic.200500046] [Citation(s) in RCA: 192] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
With the completion of the sequencing of the Arabidopsis genome and the recent advances in proteomic technology, the identification of proteins from highly complex mixtures is now possible. Rather than using gel electrophoresis and peptide mass fingerprinting, we have used multidimensional protein identification technology (MudPIT) to analyse the "tightly-bound" proteome for purified cell walls from Arabidopsis cell suspension cultures. Using bioinformatics for the prediction of signal peptides for targeting to the secretory pathway and for the absence of ER retention signal, 89 proteins were selected as potential extracellular proteins. Only 33% of these were identified in previous proteomic analyses of Arabidopsis cell walls. A functional classification revealed that a large proportion of the proteins were enzymes, notably carbohydrate active enzymes, peroxidases and proteases. Comparison of all the published proteomic analyses for the Arabidopsis cell wall identified 268 non-redundant genes encoding wall proteins. Sixty of these (22%) were derived from our analysis of tightly-bound wall proteins.
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