1
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Rockett T, Almahyawi M, Ghimire ML, Jonnalagadda A, Tagliaferro V, Seashols-Williams SJ, Bertino MF, Caputo GA, Reiner JE. Cluster-Enhanced Nanopore Sensing of Ovarian Cancer Marker Peptides in Urine. ACS Sens 2024; 9:860-869. [PMID: 38286995 PMCID: PMC10897939 DOI: 10.1021/acssensors.3c02207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/20/2023] [Accepted: 01/09/2024] [Indexed: 01/31/2024]
Abstract
The development of novel methodologies that can detect biomarkers from cancer or other diseases is both a challenge and a need for clinical applications. This partly motivates efforts related to nanopore-based peptide sensing. Recent work has focused on the use of gold nanoparticles for selective detection of cysteine-containing peptides. Specifically, tiopronin-capped gold nanoparticles, trapped in the cis-side of a wild-type α-hemolysin nanopore, provide a suitable anchor for the attachment of cysteine-containing peptides. It was recently shown that the attachment of these peptides onto a nanoparticle yields unique current signatures that can be used to identify the peptide. In this article, we apply this technique to the detection of ovarian cancer marker peptides ranging in length from 8 to 23 amino acid residues. It is found that sequence variability complicates the detection of low-molecular-weight peptides (<10 amino acid residues), but higher-molecular-weight peptides yield complex, high-frequency current fluctuations. These fluctuations are characterized with chi-squared and autocorrelation analyses that yield significantly improved selectivity when compared to traditional open-pore analysis. We demonstrate that the technique is capable of detecting the only two cysteine-containing peptides from LRG-1, an emerging protein biomarker, that are uniquely present in the urine of ovarian cancer patients. We further demonstrate the detection of one of these LRG-1 peptides spiked into a sample of human female urine.
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Affiliation(s)
- Thomas
W. Rockett
- Department
of Physics, Virginia Commonwealth University, Richmond, Virginia 23284, United States
| | - Mohammed Almahyawi
- Department
of Physics, Virginia Commonwealth University, Richmond, Virginia 23284, United States
- King
Fahd Medical Research Center, King Abdulaziz
University, Jeddah 21589, Saudi Arabia
| | - Madhav L. Ghimire
- Department
of Physics, Virginia Commonwealth University, Richmond, Virginia 23284, United States
| | - Aashna Jonnalagadda
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Victoria Tagliaferro
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Sarah J. Seashols-Williams
- Department
of Forensic Sciences, Virginia Commonwealth
University, Richmond, Virginia 23284, United States
| | - Massimo F. Bertino
- Department
of Physics, Virginia Commonwealth University, Richmond, Virginia 23284, United States
| | - Gregory A. Caputo
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Joseph E. Reiner
- Department
of Physics, Virginia Commonwealth University, Richmond, Virginia 23284, United States
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2
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Parisi K, McKenna JA, Lowe R, Harris KS, Shafee T, Guarino R, Lee E, van der Weerden NL, Bleackley MR, Anderson MA. Hyperpolarisation of Mitochondrial Membranes Is a Critical Component of the Antifungal Mechanism of the Plant Defensin, Ppdef1. J Fungi (Basel) 2024; 10:54. [PMID: 38248963 PMCID: PMC10817573 DOI: 10.3390/jof10010054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/30/2023] [Accepted: 01/03/2024] [Indexed: 01/23/2024] Open
Abstract
Plant defensins are a large family of small cationic proteins with diverse functions and mechanisms of action, most of which assert antifungal activity against a broad spectrum of fungi. The partial mechanism of action has been resolved for a small number of members of plant defensins, and studies have revealed that many act by more than one mechanism. The plant defensin Ppdef1 has a unique sequence and long loop 5 with fungicidal activity against a range of human fungal pathogens, but little is known about its mechanism of action. We screened the S. cerevisiae non-essential gene deletion library and identified the involvement of the mitochondria in the mechanism of action of Ppdef1. Further analysis revealed that the hyperpolarisation of the mitochondrial membrane potential (MMP) activates ROS production, vacuolar fusion and cell death and is an important step in the mechanism of action of Ppdef1, and it is likely that a similar mechanism acts in Trichophyton rubrum.
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Affiliation(s)
- Kathy Parisi
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne 3086, Australia
- Hexima Ltd., Preston 3072, Australia
| | - James A. McKenna
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne 3086, Australia
- Hexima Ltd., Preston 3072, Australia
| | - Rohan Lowe
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne 3086, Australia
- Hexima Ltd., Preston 3072, Australia
| | - Karen S. Harris
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne 3086, Australia
- Hexima Ltd., Preston 3072, Australia
| | - Thomas Shafee
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne 3086, Australia
| | - Rosemary Guarino
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne 3086, Australia
- Hexima Ltd., Preston 3072, Australia
| | - Eunice Lee
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne 3086, Australia
- Hexima Ltd., Preston 3072, Australia
| | - Nicole L. van der Weerden
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne 3086, Australia
- Hexima Ltd., Preston 3072, Australia
| | - Mark R. Bleackley
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne 3086, Australia
- Hexima Ltd., Preston 3072, Australia
| | - Marilyn A. Anderson
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne 3086, Australia
- Hexima Ltd., Preston 3072, Australia
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3
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Chen W, Amir MB, Liao Y, Yu H, He W, Lu Z. New Insights into the Plutella xylostella Detoxifying Enzymes: Sequence Evolution, Structural Similarity, Functional Diversity, and Application Prospects of Glucosinolate Sulfatases. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:10952-10969. [PMID: 37462091 PMCID: PMC10375594 DOI: 10.1021/acs.jafc.3c03246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
Brassica plants have glucosinolate (GLs)-myrosinase defense mechanisms to deter herbivores. However, Plutella xylostella specifically feeds on Brassica vegetables. The larvae possess three glucosinolate sulfatases (PxGSS1-3) that compete with plant myrosinase for shared GLs substrates and produce nontoxic desulfo-GLs (deGLs). Although PxGSSs are considered potential targets for pest control, the lack of a comprehensive review has hindered the development of PxGSSs-targeted pest control methods. Recent advances in integrative multi-omics analysis, substrate-enzyme kinetics, and molecular biological techniques have elucidated the evolutionary origin and functional diversity of these three PxGSSs. This review summarizes research progress on PxGSSs over the past 20 years, covering sequence properties, evolution, protein modification, enzyme activity, structural variation, substrate specificity, and interaction scenarios based on functional diversity. Finally, we discussed the potential applications of PxGSSs-targeted pest control technologies driven by artificial intelligence, including CRISPR/Cas9-mediated gene drive, transgenic plant-mediated RNAi, small-molecule inhibitors, and peptide inhibitors. These technologies have the potential to overcome current management challenges and promote the development and field application of PxGSSs-targeted pest control.
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Affiliation(s)
- Wei Chen
- Ganzhou Key Laboratory of Greenhouse Vegetable, School of Life Sciences, Gannan Normal University, Ganzhou 341000, China
| | - Muhammad Bilal Amir
- Ganzhou Key Laboratory of Greenhouse Vegetable, School of Life Sciences, Gannan Normal University, Ganzhou 341000, China
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
| | - Yuan Liao
- Ganzhou Key Laboratory of Greenhouse Vegetable, School of Life Sciences, Gannan Normal University, Ganzhou 341000, China
| | - Haizhong Yu
- Ganzhou Key Laboratory of Greenhouse Vegetable, School of Life Sciences, Gannan Normal University, Ganzhou 341000, China
| | - Weiyi He
- State Key Laboratory for Ecological Pest Control of Fujian and Taiwan Crops, International Joint Research Laboratory of Ecological Pest Control, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Zhanjun Lu
- Ganzhou Key Laboratory of Greenhouse Vegetable, School of Life Sciences, Gannan Normal University, Ganzhou 341000, China
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4
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Li L, Wang K, Zhou Y, Liu X. Review: A silent concert in developing plants: Dynamic assembly of cullin-RING ubiquitin ligases. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 330:111662. [PMID: 36822503 PMCID: PMC10065934 DOI: 10.1016/j.plantsci.2023.111662] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/27/2023] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
Plants appear quiet: quietly, they break the ground, expand leaves, search for resources, alert each other to invaders, and heal their own wounds. In contrast to the stationary appearance, the inside world of a plant is full of movements: cells divide to increase the body mass and form new organs; signaling molecules migrate among cells and tissues to drive transcriptional cascades and developmental programs; macromolecules, such as RNAs and proteins, collaborate with different partners to maintain optimal organismal function under changing cellular and environmental conditions. All these activities require a dynamic yet appropriately controlled molecular network in plant cells. In this short review, we used the regulation of cullin-RING ubiquitin ligases (CRLs) as an example to discuss how dynamic biochemical processes contribute to plant development. CRLs comprise a large family of modular multi-unit enzymes that determine the activity and stability of diverse regulatory proteins playing crucial roles in plant growth and development. The mechanism governing the dynamic assembly of CRLs is essential for CRL activity and biological function, and it may provide insights and implications for the regulation of other dynamic multi-unit complexes involved in fundamental processes such as transcription, translation, and protein sorting in plants.
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Affiliation(s)
- Lihong Li
- Department of Biochemistry, Purdue University, West Lafayette, IN, United States; Center for Plant Biology, Purdue University, West Lafayette, IN, United States
| | - Kankan Wang
- Department of Biochemistry, Purdue University, West Lafayette, IN, United States
| | - Yun Zhou
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN, United States; Center for Plant Biology, Purdue University, West Lafayette, IN, United States
| | - Xing Liu
- Department of Biochemistry, Purdue University, West Lafayette, IN, United States; Center for Plant Biology, Purdue University, West Lafayette, IN, United States.
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5
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Small Signals Lead to Big Changes: The Potential of Peptide-Induced Resistance in Plants. J Fungi (Basel) 2023; 9:jof9020265. [PMID: 36836379 PMCID: PMC9965805 DOI: 10.3390/jof9020265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/05/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023] Open
Abstract
The plant immunity system is being revisited more and more and new elements and roles are attributed to participating in the response to biotic stress. The new terminology is also applied in an attempt to identify different players in the whole scenario of immunity: Phytocytokines are one of those elements that are gaining more attention due to the characteristics of processing and perception, showing they are part of a big family of compounds that can amplify the immune response. This review aims to highlight the latest findings on the role of phytocytokines in the whole immune response to biotic stress, including basal and adaptive immunity, and expose the complexity of their action in plant perception and signaling events.
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6
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Tian D, Xie Q, Deng Z, Xue J, Li W, Zhang Z, Dai Y, Zheng B, Lu T, De Smet I, Guo Y. Small secreted peptides encoded on the wheat ( triticum aestivum L.) genome and their potential roles in stress responses. FRONTIERS IN PLANT SCIENCE 2022; 13:1000297. [PMID: 36212358 PMCID: PMC9532867 DOI: 10.3389/fpls.2022.1000297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 09/05/2022] [Indexed: 06/16/2023]
Abstract
Small secreted peptides (SSPs) are important signals for cell-to-cell communication in plant, involved in a variety of growth and developmental processes, as well as responses to stresses. While a large number of SSPs have been identified and characterized in various plant species, little is known about SSPs in wheat, one of the most important cereal crops. In this study, 4,981 putative SSPs were identified on the wheat genome, among which 1,790 TaSSPs were grouped into 38 known SSP families. The result also suggested that a large number of the putaitive wheat SSPs, Cys-rich peptides in particular, remained to be characterized. Several TaSSP genes were found to encode multiple SSP domains, including CLE, HEVEIN and HAIRPININ domains, and two potentially novel TaSSP family DYY and CRP8CI were identified manually among unpredicted TaSSPs. Analysis on the transcriptomic data showed that a great proportion of TaSSPs were expressed in response to abiotic stresses. Exogenous application of the TaCEPID peptide encoded by TraesCS1D02G130700 enhanced the tolerance of wheat plants to drought and salinity, suggesting porential roles of SSPs in regulating stress responses in wheat.
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Affiliation(s)
- Dongdong Tian
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Qi Xie
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
| | - Zhichao Deng
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Jin Xue
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Wei Li
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Zenglin Zhang
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Yifei Dai
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Bo Zheng
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
| | - Tiegang Lu
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Ive De Smet
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| | - Yongfeng Guo
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
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7
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Huang P, Li Z, Guo H. New Advances in the Regulation of Leaf Senescence by Classical and Peptide Hormones. FRONTIERS IN PLANT SCIENCE 2022; 13:923136. [PMID: 35837465 PMCID: PMC9274171 DOI: 10.3389/fpls.2022.923136] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
Leaf senescence is the last stage of leaf development, manifested by leaf yellowing due to the loss of chlorophyll, along with the degradation of macromolecules and facilitates nutrient translocation from the sink to the source tissues, which is essential for the plants' fitness. Leaf senescence is controlled by a sophisticated genetic network that has been revealed through the study of the molecular mechanisms of hundreds of senescence-associated genes (SAGs), which are involved in multiple layers of regulation. Leaf senescence is primarily regulated by plant age, but also influenced by a variety of factors, including phytohormones and environmental stimuli. Phytohormones, as important signaling molecules in plant, contribute to the onset and progression of leaf senescence. Recently, peptide hormones have been reported to be involved in the regulation of leaf senescence, enriching the significance of signaling molecules in controlling leaf senescence. This review summarizes recent advances in the regulation of leaf senescence by classical and peptide hormones, aiming to better understand the coordinated network of different pathways during leaf senescence.
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Affiliation(s)
- Peixin Huang
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, National Engineering Research Center for Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Zhonghai Li
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, National Engineering Research Center for Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Hongwei Guo
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, National Engineering Research Center for Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Department of Biology, Southern University of Science and Technology, Shenzhen, China
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8
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Pavlicevic M, Marmiroli N, Maestri E. Immunomodulatory peptides-A promising source for novel functional food production and drug discovery. Peptides 2022; 148:170696. [PMID: 34856531 DOI: 10.1016/j.peptides.2021.170696] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 11/03/2021] [Accepted: 11/14/2021] [Indexed: 12/12/2022]
Abstract
Immunomodulatory peptides are a complex class of bioactive peptides that encompasses substances with different mechanisms of action. Immunomodulatory peptides could also be used in vaccines as adjuvants which would be extremely desirable, especially in response to pandemics. Thus, immunomodulatory peptides in food of plant origin could be regarded both as valuable suplements of novel functional food preparation and/or as precursors or possible active ingredients for drugs design for treatment variety of conditions arising from impaired function of immune system. Given variety of mechanisms, different tests are required to assess effects of immunomodulatory peptides. Some of those effects show good correlation with in vivo results but others, less so. Certain plant peptides, such as defensins, show both immunomodulatory and antimicrobial effect, which makes them interesting candidates for preparation of functional food and feed, as well as templates for design of synthetic peptides.
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Affiliation(s)
- Milica Pavlicevic
- Institute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, Serbia
| | - Nelson Marmiroli
- University of Parma, Department of Chemistry, Life Sciences and Environmental Sustainability, and Interdepartmental Center SITEIA.PARMA, Parco Area delle Scienze 11/A, 43124 Parma, Italy
| | - Elena Maestri
- University of Parma, Department of Chemistry, Life Sciences and Environmental Sustainability, and Interdepartmental Center SITEIA.PARMA, Parco Area delle Scienze 11/A, 43124 Parma, Italy.
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9
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Plant Secondary Metabolites Produced in Response to Abiotic Stresses Has Potential Application in Pharmaceutical Product Development. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27010313. [PMID: 35011546 PMCID: PMC8746929 DOI: 10.3390/molecules27010313] [Citation(s) in RCA: 75] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/25/2021] [Accepted: 12/30/2021] [Indexed: 12/19/2022]
Abstract
Plant secondary metabolites (PSMs) are vital for human health and constitute the skeletal framework of many pharmaceutical drugs. Indeed, more than 25% of the existing drugs belong to PSMs. One of the continuing challenges for drug discovery and pharmaceutical industries is gaining access to natural products, including medicinal plants. This bottleneck is heightened for endangered species prohibited for large sample collection, even if they show biological hits. While cultivating the pharmaceutically interesting plant species may be a solution, it is not always possible to grow the organism outside its natural habitat. Plants affected by abiotic stress present a potential alternative source for drug discovery. In order to overcome abiotic environmental stressors, plants may mount a defense response by producing a diversity of PSMs to avoid cells and tissue damage. Plants either synthesize new chemicals or increase the concentration (in most instances) of existing chemicals, including the prominent bioactive lead compounds morphine, camptothecin, catharanthine, epicatechin-3-gallate (EGCG), quercetin, resveratrol, and kaempferol. Most PSMs produced under various abiotic stress conditions are plant defense chemicals and are functionally anti-inflammatory and antioxidative. The major PSM groups are terpenoids, followed by alkaloids and phenolic compounds. We have searched the literature on plants affected by abiotic stress (primarily studied in the simulated growth conditions) and their PSMs (including pharmacological activities) from PubMed, Scopus, MEDLINE Ovid, Google Scholar, Databases, and journal websites. We used search keywords: "stress-affected plants," "plant secondary metabolites, "abiotic stress," "climatic influence," "pharmacological activities," "bioactive compounds," "drug discovery," and "medicinal plants" and retrieved published literature between 1973 to 2021. This review provides an overview of variation in bioactive phytochemical production in plants under various abiotic stress and their potential in the biodiscovery of therapeutic drugs. We excluded studies on the effects of biotic stress on PSMs.
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10
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dos Santos-Silva CA, Tricarico PM, Vilela LMB, Roldan-Filho RS, Amador VC, d’Adamo AP, Rêgo MDS, Benko-Iseppon AM, Crovella S. Plant Antimicrobial Peptides as Potential Tool for Topic Treatment of Hidradenitis Suppurativa. Front Microbiol 2021; 12:795217. [PMID: 34966375 PMCID: PMC8710806 DOI: 10.3389/fmicb.2021.795217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/25/2021] [Indexed: 02/06/2023] Open
Abstract
Among chronic skin autoinflammatory diseases, Hidradenitis Suppurativa (HS) stands out for its chronicity, highly variable condition, and profound impact on the patients' quality of life. HS is characterized by suppurative skin lesions in diverse body areas, including deep-seated painful nodules, abscesses, draining sinus, and bridged scars, among others, with typical topography. To date, HS is considered a refractory disease and medical treatments aim to reduce the incidence, the infection, and the pain of the lesions. For this purpose, different classes of drugs, including anti-inflammatory molecules, antibiotics and biological drugs are being used. Antimicrobial peptides (AMPs), also called defense peptides, emerge as a new class of therapeutic compounds, with broad-spectrum antimicrobial action, in addition to reports on their anti-inflammatory, healing, and immunomodulating activity. Such peptides are present in prokaryotes and eukaryotes, as part of the innate eukaryotic immune system. It has been proposed that a deregulation in the expression of AMPs in human epithelial tissues of HS patients may be associated with the etiology of this skin disease. In this scenario, plant AMPs stand out for their richness, diversity of types, and broad antimicrobial effects, with potential application for topical systemic use in patients affected by HS.
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Affiliation(s)
| | | | | | | | - Vinícius Costa Amador
- Departamento de Genética, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Brazil
| | - Adamo Pio d’Adamo
- Institute for Maternal and Child Health – IRCCS Burlo Garofolo, Trieste, Italy
- Department of Medical Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Mireli de Santana Rêgo
- Departamento de Genética, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Brazil
| | - Ana Maria Benko-Iseppon
- Departamento de Genética, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Brazil
| | - Sergio Crovella
- Biological Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, Qatar
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11
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Okuda S. Molecular mechanisms of plant peptide binding to receptors. Peptides 2021; 144:170614. [PMID: 34332962 DOI: 10.1016/j.peptides.2021.170614] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/15/2021] [Accepted: 07/24/2021] [Indexed: 01/21/2023]
Abstract
Plants have evolved diverse peptide hormones and cognate receptors to orchestrate plant growth and development. Secreted peptide ligands are mainly sensed by membrane receptor kinases that mediate cell-cell communication. The secreted peptides are categorized into two groups: small linear post-translationally modified peptides and cysteine-rich peptides. The small linear peptides are recognized by the corresponding receptors and co-receptors in a conserved manner. By contrast, the cysteine-rich peptides are perceived by various types of receptor proteins using diverse binding modes. Recent studies have revealed the molecular and mechanistic origins of peptide recognition and receptor activation. This review summarizes plant-peptide binding modes and receptor-activation mechanisms that have been structurally characterized in recent studies.
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Affiliation(s)
- Satohiro Okuda
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo, 113-0033, Japan
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12
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Li JS, Suzui N, Nakai Y, Yin YG, Ishii S, Fujimaki S, Kawachi N, Rai H, Matsumoto T, Sato-Izawa K, Ohkama-Ohtsu N, Nakamura SI. Shoot base responds to root-applied glutathione and functions as a critical region to inhibit cadmium translocation from the roots to shoots in oilseed rape (Brassica napus). PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 305:110822. [PMID: 33691958 DOI: 10.1016/j.plantsci.2021.110822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 12/30/2020] [Accepted: 01/03/2021] [Indexed: 06/12/2023]
Abstract
Glutathione (GSH) is a tripeptide involved in controlling heavy metal movement in plants. Our previous study showed that GSH, when site-specifically applied to plant roots, inhibits Cd translocation from the roots to shoots in hydroponically cultured oilseed rape (Brassica napus) plants. A factor that led to this inhibitory effect was the activation of Cd efflux from root cells. To further investigate the molecular mechanism triggered by root-applied GSH, Cd movement was non-invasively monitored using a positron-emitting tracer imaging system. The Cd absorption and efflux process in the roots were visualized successfully. The effects of GSH on Cd efflux from root cells were estimated by analyzing imaging data. Reanalysis of image data suggested that GSH applied to roots, at the shoot base, activated Cd return. Cutting the shoot base significantly inhibited Cd efflux from root cells. These experimental results demonstrate that the shoot base plays an important role in distributing Cd throughout the plant body. Furthermore, microarray analysis revealed that about 400 genes in the roots responded to root-applied GSH. Among these, there were genes for transporter proteins related to heavy metal movement in plants and proteins involved in the structure modification of cell walls.
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Affiliation(s)
- Jun-Song Li
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8, Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan
| | - Nobuo Suzui
- Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, 1233 Watanuki-cho, Takasaki-shi, Gunma, 370-1207, Japan
| | - Yuji Nakai
- Institute of Regional Innovation, Hirosaki University, 2-2-1 Yanagawa, Aomori-shi, Aomori, 038-0012, Japan
| | - Yon-Gen Yin
- Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, 1233 Watanuki-cho, Takasaki-shi, Gunma, 370-1207, Japan
| | - Satomi Ishii
- Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, 1233 Watanuki-cho, Takasaki-shi, Gunma, 370-1207, Japan
| | - Shu Fujimaki
- Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, 1233 Watanuki-cho, Takasaki-shi, Gunma, 370-1207, Japan; Institute for Quantum Life Science, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, 263-8555, Japan
| | - Naoki Kawachi
- Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, 1233 Watanuki-cho, Takasaki-shi, Gunma, 370-1207, Japan
| | - Hiroki Rai
- Department of Biological Production, Faculty of Bioresource Sciences, Akita Prefectural University, 241-438 Kaidobata-Nishi, Shimoshinjo-Nakano, Akita-shi, Akita, 010-0195, Japan
| | - Takashi Matsumoto
- Department of Bioscience, Faculty of Life Sciences, Tokyo University of Agriculture, 1-1-1 Sakuragaoka Setagaya-ku, Tokyo, 156-8502, Japan
| | - Kanna Sato-Izawa
- Department of Bioscience, Faculty of Life Sciences, Tokyo University of Agriculture, 1-1-1 Sakuragaoka Setagaya-ku, Tokyo, 156-8502, Japan
| | - Naoko Ohkama-Ohtsu
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8, Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan; Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, 3-5-8, Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan
| | - Shin-Ichi Nakamura
- Department of Biological Production, Faculty of Bioresource Sciences, Akita Prefectural University, 241-438 Kaidobata-Nishi, Shimoshinjo-Nakano, Akita-shi, Akita, 010-0195, Japan; Department of Bioscience, Faculty of Life Sciences, Tokyo University of Agriculture, 1-1-1 Sakuragaoka Setagaya-ku, Tokyo, 156-8502, Japan.
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13
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Zhao Q, Bai Y, Liu D, Zhao N, Gao H, Zhang X. Quinetides: diverse posttranslational modified peptides of ribonuclease-like storage protein from Panax quinquefolius as markers for differentiating ginseng species. J Ginseng Res 2020; 44:680-689. [PMID: 32913397 PMCID: PMC7471211 DOI: 10.1016/j.jgr.2019.05.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 05/13/2019] [Accepted: 05/23/2019] [Indexed: 10/27/2022] Open
Abstract
Background Peptides have diverse and important physiological roles in plants and are ideal markers for species identification. It is unclear whether there are specific peptides in Panax quinquefolius L. (PQ). The aims of this study were to identify Quinetides, a series of diverse posttranslational modified native peptides of the ribonuclease-like storage protein (ginseng major protein), from PQ to explore novel peptide markers and develop a new method to distinguish PQ from Panax ginseng. Methods We used different fragmentation modes in the LTQ Orbitrap analysis to identify the enriched Quinetide targets of PQ, and we discovered Quinetide markers of PQ and P. ginseng using ultrahigh-performance liquid chromatography-quadrupole time-of-flight mass spectrometry analysis. These "peptide markers" were validated by simultaneously monitoring Rf and F11 as standard ginsenosides. Results We discovered 100 Quinetides of PQ with various post-translational modifications (PTMs), including a series of glycopeptides, all of which originated from the protein ginseng major protein. We effectively distinguished PQ from P. ginseng using new "peptide markers." Four unique peptides (Quinetides TP6 and TP7 as markers of PQ and Quinetides TP8 and TP9 as markers of P. ginseng) and their associated glycosylation products were discovered in PQ and P. ginseng. Conclusion We provide specific information on PQ peptides and propose the clinical application of peptide markers to distinguish PQ from P. ginseng.
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Affiliation(s)
- Qiang Zhao
- KeyLaboratory of Structure-Based Drug Design & Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China.,CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Yunpeng Bai
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Dan Liu
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Nan Zhao
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Huiyuan Gao
- KeyLaboratory of Structure-Based Drug Design & Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
| | - Xiaozhe Zhang
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
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14
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Dos Santos-Silva CA, Zupin L, Oliveira-Lima M, Vilela LMB, Bezerra-Neto JP, Ferreira-Neto JR, Ferreira JDC, de Oliveira-Silva RL, Pires CDJ, Aburjaile FF, de Oliveira MF, Kido EA, Crovella S, Benko-Iseppon AM. Plant Antimicrobial Peptides: State of the Art, In Silico Prediction and Perspectives in the Omics Era. Bioinform Biol Insights 2020; 14:1177932220952739. [PMID: 32952397 PMCID: PMC7476358 DOI: 10.1177/1177932220952739] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 07/30/2020] [Indexed: 12/14/2022] Open
Abstract
Even before the perception or interaction with pathogens, plants rely on constitutively guardian molecules, often specific to tissue or stage, with further expression after contact with the pathogen. These guardians include small molecules as antimicrobial peptides (AMPs), generally cysteine-rich, functioning to prevent pathogen establishment. Some of these AMPs are shared among eukaryotes (eg, defensins and cyclotides), others are plant specific (eg, snakins), while some are specific to certain plant families (such as heveins). When compared with other organisms, plants tend to present a higher amount of AMP isoforms due to gene duplications or polyploidy, an occurrence possibly also associated with the sessile habit of plants, which prevents them from evading biotic and environmental stresses. Therefore, plants arise as a rich resource for new AMPs. As these molecules are difficult to retrieve from databases using simple sequence alignments, a description of their characteristics and in silico (bioinformatics) approaches used to retrieve them is provided, considering resources and databases available. The possibilities and applications based on tools versus database approaches are considerable and have been so far underestimated.
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Affiliation(s)
| | - Luisa Zupin
- Genetic Immunology laboratory, Institute for Maternal and Child Health-IRCCS, Burlo Garofolo, Trieste, Italy
| | - Marx Oliveira-Lima
- Departamento de Genética, Universidade Federal de Pernambuco, Recife, Brazil
| | | | | | | | - José Diogo Cavalcanti Ferreira
- Departamento de Genética, Universidade Federal de Pernambuco, Recife, Brazil.,Departamento de Genética, Instituto Federal de Pernambuco, Pesqueira, Brazil
| | | | | | | | | | - Ederson Akio Kido
- Departamento de Genética, Universidade Federal de Pernambuco, Recife, Brazil
| | - Sergio Crovella
- Genetic Immunology laboratory, Institute for Maternal and Child Health-IRCCS, Burlo Garofolo, Trieste, Italy.,Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy
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15
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Stroe AC, Oancea S. Immunostimulatory Potential of Natural Compounds and Extracts: A Review. CURRENT NUTRITION & FOOD SCIENCE 2020. [DOI: 10.2174/1573401315666190301154200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The proper functioning of human immune system is essential for organism survival
against infectious, toxic and oncogenic agents. The present study aimed to describe the scientific evidence
regarding the immunomodulatory properties of the main micronutrients and specific phytochemicals.
Plants of food interest have the ability to dynamically affect the immune system through
particular molecules. Plant species, type of compounds and biological effects were herein reviewed
mainly focusing on plants which are not commonly used in food supplements. Several efficient phytoproducts
showed significant advantages compared to synthetic immunomodulators, being good
candidates for the development of immunotherapeutic drugs.
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Affiliation(s)
- Andreea C. Stroe
- Department of Agricultural Sciences and Food Engineering, "Lucian Blaga" University of Sibiu, 7-9 Ion Ratiu Street, Sibiu 550012, Romania
| | - Simona Oancea
- Department of Agricultural Sciences and Food Engineering, "Lucian Blaga" University of Sibiu, 7-9 Ion Ratiu Street, Sibiu 550012, Romania
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16
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Sousa AMP, Salles HO, Oliveira HDD, Souza BBPD, Cardozo Filho JDL, Sifuentes DN, Prates MV, Bloch Junior C, Bemquerer MP, Egito ASD. Mo-HLPs: New flocculating agents identified from Moringa oleifera seeds belong to the hevein-like peptide family. J Proteomics 2020; 217:103692. [PMID: 32068186 DOI: 10.1016/j.jprot.2020.103692] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 02/08/2020] [Accepted: 02/14/2020] [Indexed: 12/25/2022]
Abstract
Cationic peptides found in Moringa oleifera seeds belong to different protein families and are described as the main flocculating agents of the species. In this study we report the identification and isolation of four new flocculant peptides, called Mo-HLPs 1-4, belonging to the family of hevein-like peptides, previously only known for their members' antimicrobial activity. Purification of the peptides followed two sequential membrane ultrafiltration steps and separation by reverse-phase liquid chromatography. Proteomic analyses showed that Mo-HLPs are extremely basic (pI >10) cysteine-rich molecules with molecular masses between 4.5 and 4.8 kDa and with a highly conserved chitin-binding domain. Searches in BLAST revealed high similarity of Mo-HLPs with hevein and other hevein-like peptides and 90% identity with morintides, which are members of the 8C-hevein-like subfamily found in M. oleifera leaves. Mo-HLPs microflocculation assays showed distinct coagulation/flocculation efficiencies, promoting turbidity reduction levels between 67 and 89% in synthetic turbid water. Activity variations were attributed to the substitution of some amino acids among the isoforms, which may have altered the final net charge of the molecules. The identification of Mo-HLPs represents the discovery of a new group of cationic peptides involved in the flocculation properties of M. oleifera seeds. SIGNIFICANCE: The study reveals the presence of hevein-like peptides in Moringa oleifera seeds. It is reported for the first time that members of this family have properties to act as flocculating agents of importance for water treatment processes. The identification of these peptides as well as new functional assignment broadens the horizon for speculation on new species which could act as sources of green coagulants for sustainable water treatment, and contributes to the knowledge about occurrence, distribution, molecular and active diversity of peptides belonging to the hevein-like family.
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Affiliation(s)
- Ana Márjory Paiva Sousa
- Rede Nordeste de Biotecnologia-RENORBIO, Universidade Estadual do Ceará, Campus do Itaperi, CEP: 60714-903 Fortaleza, CE, Brazil; Laboratório de Bioquímica, Embrapa Caprinos e Ovinos, Estrada Sobral-Groaíras, Km 4, CP 71, CEP: 62010-970 Sobral, CE, Brazil.
| | - Hévila Oliveira Salles
- Laboratório de Bioquímica, Embrapa Caprinos e Ovinos, Estrada Sobral-Groaíras, Km 4, CP 71, CEP: 62010-970 Sobral, CE, Brazil
| | - Hermógenes David de Oliveira
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici Prof. Prisco Bezerra, CEP: 60440-900 Fortaleza, CE, Brazil
| | - Beatriz Blenda Pinheiro de Souza
- Laboratório de Espectrometria de Massa, Embrapa Recursos Genéticos e Biotecnologia, Parque Estação Biológica, CEP: 70770-901 Brasília, DF, Brazil
| | - José de Lima Cardozo Filho
- Laboratório de Espectrometria de Massa, Embrapa Recursos Genéticos e Biotecnologia, Parque Estação Biológica, CEP: 70770-901 Brasília, DF, Brazil
| | - Daniel Nogoceke Sifuentes
- Laboratório de Espectrometria de Massa, Embrapa Recursos Genéticos e Biotecnologia, Parque Estação Biológica, CEP: 70770-901 Brasília, DF, Brazil
| | - Maura Vianna Prates
- Laboratório de Espectrometria de Massa, Embrapa Recursos Genéticos e Biotecnologia, Parque Estação Biológica, CEP: 70770-901 Brasília, DF, Brazil
| | - Carlos Bloch Junior
- Laboratório de Espectrometria de Massa, Embrapa Recursos Genéticos e Biotecnologia, Parque Estação Biológica, CEP: 70770-901 Brasília, DF, Brazil
| | - Marcelo Porto Bemquerer
- Laboratório de Espectrometria de Massa, Embrapa Recursos Genéticos e Biotecnologia, Parque Estação Biológica, CEP: 70770-901 Brasília, DF, Brazil
| | - Antonio Silvio do Egito
- Laboratório de Bioquímica, Embrapa Caprinos e Ovinos, Estrada Sobral-Groaíras, Km 4, CP 71, CEP: 62010-970 Sobral, CE, Brazil
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17
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Qin Y, Qin ZD, Chen J, Cai CG, Li L, Feng LY, Wang Z, Duns GJ, He NY, Chen ZS, Luo XF. From Antimicrobial to Anticancer Peptides: The Transformation of Peptides. Recent Pat Anticancer Drug Discov 2019; 14:70-84. [PMID: 30663573 DOI: 10.2174/1574892814666190119165157] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 12/05/2018] [Accepted: 01/10/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Antimicrobial peptides play an important role in the innate immune system. Possessing broad-spectrum antibacterial activity, antimicrobial peptides can quickly treat and kill various targets, including gram-negative bacteria, gram-positive bacteria, fungi, and tumor cells. OBJECTIVE An overview of the state of play with regard to the research trend of antimicrobial peptides in recent years and the situation of targeting tumor cells, and to make statistical analysis of the patents related to anticancer peptides published in recent years, is important both from toxicological and medical tumor therapy point of view. METHODS Based on the Science Citation Index Expanded version, the Derwent Innovation Index and Innography as data sources, the relevant literature and patents concerning antimicrobial peptides and anticancer peptides were analyzed through the Thomson Data Analyzer. Results of toxicologic and pharmacologic studies that brought to the development of patents for methods to novel tumor drugs were analyzed and sub-divided according to the specific synthesis of anticancer peptides. RESULTS The literature and patent search data show that the research and development of global antimicrobial peptides and anticancer peptides has been in an incremental mode. Growing patent evidence indicate that bioinformatics technology is a valuable strategy to modify, synthesize or recombine existing antimicrobial peptides to obtain tumor drugs with high activity, low toxicity and multiple targets. CONCLUSION These findings may have important clinical implications for cancer treatment, especially in patients with conditions that are not currently treatable by other drugs, or that are resistant to existing cancer drugs.
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Affiliation(s)
- Yuan Qin
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, Hunan Province 425000, China.,Hunan Key Laboratory of Green Chemistry and Application of Biological Nanotechnology, Hunan University of Technology, Zhuzhou, 412007, China
| | - Zuo D Qin
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, Hunan Province 425000, China
| | - Jing Chen
- College of Business Administration, Hunan University, Changsha, 410082, China
| | - Che G Cai
- Medical Research Institute, Wuhan University, Wuhan, Hubei 430071, China
| | - Ling Li
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, Hunan Province 425000, China
| | - Lu Y Feng
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, Hunan Province 425000, China
| | - Zheng Wang
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, Hunan Province 425000, China
| | - Gregory J Duns
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, Hunan Province 425000, China
| | - Nong Y He
- Hunan Key Laboratory of Green Chemistry and Application of Biological Nanotechnology, Hunan University of Technology, Zhuzhou, 412007, China
| | - Zhe S Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, United States
| | - Xiao F Luo
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, Hunan Province 425000, China
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18
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Luo W, Xiao Y, Liang Q, Su Y, Xiao L. Identification of Potential Auxin-Responsive Small Signaling Peptides through a Peptidomics Approach in Arabidopsis thaliana. Molecules 2019; 24:E3146. [PMID: 31470600 PMCID: PMC6749465 DOI: 10.3390/molecules24173146] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 08/14/2019] [Accepted: 08/28/2019] [Indexed: 12/20/2022] Open
Abstract
Small signaling peptides (SSPs) are a class of short peptides playing critical roles in plant growth and development. SSPs are also involved in the phytohormone signaling pathway. However, identification of mature SSPs is still a technical challenge because of their extremely low concentrations in plant tissue and complicated interference by many other metabolites. Here, we report an optimized protocol to extract SSPs based on protoplast extraction and to analyze SSPs based on tandem mass spectrometry peptidomics. Using plant protoplasts as the material, soluble peptides were directly extracted into phosphate buffer. The interference of non-signaling peptides was significantly decreased. Moreover, we applied the protocol to identify potential SSPs in auxin treated wild type and auxin biosynthesis defective mutant yuc2yuc6. Over 100 potential SSPs showed a response to auxin in Arabidopsis thaliana.
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Affiliation(s)
- Weigui Luo
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Agricultural University, Changsha 410128, China
| | - Yuan Xiao
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Qiwen Liang
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Agricultural University, Changsha 410128, China
| | - Yi Su
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Agricultural University, Changsha 410128, China.
| | - Langtao Xiao
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Agricultural University, Changsha 410128, China.
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19
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Pavlopoulou A, Karaca E, Balestrazzi A, Georgakilas AG. In Silico Phylogenetic and Structural Analyses of Plant Endogenous Danger Signaling Molecules upon Stress. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8683054. [PMID: 31396307 PMCID: PMC6668560 DOI: 10.1155/2019/8683054] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 04/03/2019] [Accepted: 05/23/2019] [Indexed: 12/14/2022]
Abstract
The plant innate immune system has two major branches, the pathogen-triggered immunity and the effector-triggered immunity (ETI). The effectors are molecules released by plant attackers to evade host immunity. In addition to the foreign intruders, plants possess endogenous instigators produced in response to general cellular injury termed as damage-associated molecular patterns (DAMPs). In plants, DAMPs or alarmins are released by damaged, stressed, or dying cells following abiotic stress such as radiation, oxidative and drought stresses. In turn, a cascade of downstream signaling events is initiated leading to the upregulation of defense or response-related genes. In the present study, we have investigated more thoroughly the conservation status of the molecular mechanisms implicated in the danger signaling primarily in plants. Towards this direction, we have performed in silico phylogenetic and structural analyses of the associated biomolecules in taxonomically diverse plant species. On the basis of our results, the defense mechanisms appear to be largely conserved within the plant kingdom. Of note, the sequence and/or function of several components of these mechanisms was found to be conserved in animals, as well. At the same time, the molecules involved in plant defense were found to form a dense protein-protein interaction (PPi) network, suggesting a crosstalk between the various defense mechanisms to a variety of stresses, like oxidative stress.
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Affiliation(s)
- Athanasia Pavlopoulou
- Izmir International Biomedicine and Genome Institute, Dokuz Eylül University, 35340 Balcova, Izmir, Turkey
| | - Ezgi Karaca
- Izmir International Biomedicine and Genome Institute, Dokuz Eylül University, 35340 Balcova, Izmir, Turkey
- Izmir Biomedicine and Genome Center, 35340 Balcova, Izmir, Turkey
| | - Alma Balestrazzi
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, Via Ferrata 1, 27100 Pavia, Italy
| | - Alexandros G. Georgakilas
- DNA Damage Laboratory, Department of Physics, School of Applied Mathematical and Physical Sciences, National Technical University of Athens (NTUA), Athens, Greece
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20
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Wong JWH, Plett JM. Root renovation: how an improved understanding of basic root biology could inform the development of elite crops that foster sustainable soil health. FUNCTIONAL PLANT BIOLOGY : FPB 2019; 46:597-612. [PMID: 31029179 DOI: 10.1071/fp18200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Accepted: 03/08/2019] [Indexed: 05/24/2023]
Abstract
A major goal in agricultural research is to develop 'elite' crops with stronger, resilient root systems. Within this context, breeding practices have focussed on developing plant varieties that are, primarily, able to withstand pathogen attack and, secondarily, able to maximise plant productivity. Although great strides towards breeding disease-tolerant or -resistant root stocks have been made, this has come at a cost. Emerging studies in certain crop species suggest that domestication of crops, together with soil management practices aimed at improving plant yield, may hinder beneficial soil microbial association or reduce microbial diversity in soil. To achieve more sustainable management of agricultural lands, we must not only shift our soil management practices but also our breeding strategy to include contributions from beneficial microbes. For this latter point, we need to advance our understanding of how plants communicate with, and are able to differentiate between, microbes of different lifestyles. Here, we present a review of the key findings on belowground plant-microbial interactions that have been made over the past decade, with a specific focus on how plants and microbes communicate. We also discuss the currently unresolved questions in this area, and propose plausible ways to use currently available research and integrate fast-emerging '-omics' technologies to tackle these questions. Combining past and developing research will enable the development of new crop varieties that will have new, value-added phenotypes belowground.
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Affiliation(s)
- Johanna W-H Wong
- Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW 2753, Australia
| | - Jonathan M Plett
- Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW 2753, Australia; and Corresponding author.
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21
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Alyousef AA, Mateen A, Al-Akeel R, Alqasim A, Al-Sheikh Y, Alqahtani MS, Syed R. Screening & analysis of anionic peptides from Foeniculum vulgare Mill by mass spectroscopy. Saudi J Biol Sci 2019; 26:660-664. [PMID: 31048989 PMCID: PMC6486522 DOI: 10.1016/j.sjbs.2018.12.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Revised: 11/29/2018] [Accepted: 12/03/2018] [Indexed: 02/02/2023] Open
Abstract
Fennel (Foeniculum vulgare Mill.) member from the family Umbelliferae (Apiaceae) and has been used in Saudi Arabia as an medicine as of the from the tradition. Our previous work with seed extracts of this plant generated DEAE-ion exchange purified proteins that exhibited antibacterial properties. The current study moves this work forward by using 2-D gel separation and MALDI TOF/TOF to identify proteins in this active extract. Fourteen protein spots were excised, digested, and identified. Several putative functions were identified, including: a copper-trans locating ATPase PAA1 chloroplastic-like isoform X1; a cytosolic enolase; a putative pentatricopeptide repeat-containing protein; an NADP-requiring isocitrate dehydrogenase; two proteins annotated as being encoded downstream from Son-like proteins; three probable nuclear proteins 5–1; and four predicted/ unidentified proteins. Future efforts will further characterize their relevant antimicrobial properties with the aim of cloning and high throughput synthesis of the antimicrobial element(s).
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Affiliation(s)
- Abdullah A Alyousef
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ayesha Mateen
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Raid Al-Akeel
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdulaziz Alqasim
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Yazeed Al-Sheikh
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohammed S Alqahtani
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Rabbani Syed
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11451, Saudi Arabia.,Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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22
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Gully K, Pelletier S, Guillou MC, Ferrand M, Aligon S, Pokotylo I, Perrin A, Vergne E, Fagard M, Ruelland E, Grappin P, Bucher E, Renou JP, Aubourg S. The SCOOP12 peptide regulates defense response and root elongation in Arabidopsis thaliana. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:1349-1365. [PMID: 30715439 PMCID: PMC6382344 DOI: 10.1093/jxb/ery454] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 12/12/2018] [Indexed: 05/20/2023]
Abstract
Small secreted peptides are important players in plant development and stress response. Using a targeted in silico approach, we identified a family of 14 Arabidopsis genes encoding precursors of serine-rich endogenous peptides (PROSCOOP). Transcriptomic analyses revealed that one member of this family, PROSCOOP12, is involved in processes linked to biotic and oxidative stress as well as root growth. Plants defective in this gene were less susceptible to Erwinia amylovora infection and showed an enhanced root growth phenotype. In PROSCOOP12 we identified a conserved motif potentially coding for a small secreted peptide. Exogenous application of synthetic SCOOP12 peptide induces various defense responses in Arabidopsis. Our findings show that SCOOP12 has numerous properties of phytocytokines, activates the phospholipid signaling pathway, regulates reactive oxygen species response, and is perceived in a BAK1 co-receptor-dependent manner.
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Affiliation(s)
- Kay Gully
- IRHS (Institut de Recherche en Horticulture et Semences), UMR 1345, INRA, Agrocampus-Ouest, Université d’Angers, QuaSaV, Beaucouzé, France
| | - Sandra Pelletier
- IRHS (Institut de Recherche en Horticulture et Semences), UMR 1345, INRA, Agrocampus-Ouest, Université d’Angers, QuaSaV, Beaucouzé, France
| | - Marie-Charlotte Guillou
- IRHS (Institut de Recherche en Horticulture et Semences), UMR 1345, INRA, Agrocampus-Ouest, Université d’Angers, QuaSaV, Beaucouzé, France
| | - Marina Ferrand
- Institut Jean-Pierre Bourgin, INRA, AgroParisTech, CNRS, Université Paris-Saclay, Versailles, France
| | - Sophie Aligon
- IRHS (Institut de Recherche en Horticulture et Semences), UMR 1345, INRA, Agrocampus-Ouest, Université d’Angers, QuaSaV, Beaucouzé, France
| | - Igor Pokotylo
- iEES-Paris (Interaction Plantes-Environnement Institut d’Ecologie et des Sciences de l’Environnement de Paris), UMR CNRS 7618, Université Paris Est Créteil, 61 avenue du général de Gaulle, Créteil, France
| | - Adrien Perrin
- IRHS (Institut de Recherche en Horticulture et Semences), UMR 1345, INRA, Agrocampus-Ouest, Université d’Angers, QuaSaV, Beaucouzé, France
| | - Emilie Vergne
- IRHS (Institut de Recherche en Horticulture et Semences), UMR 1345, INRA, Agrocampus-Ouest, Université d’Angers, QuaSaV, Beaucouzé, France
| | - Mathilde Fagard
- Institut Jean-Pierre Bourgin, INRA, AgroParisTech, CNRS, Université Paris-Saclay, Versailles, France
| | - Eric Ruelland
- iEES-Paris (Interaction Plantes-Environnement Institut d’Ecologie et des Sciences de l’Environnement de Paris), UMR CNRS 7618, Université Paris Est Créteil, 61 avenue du général de Gaulle, Créteil, France
| | - Philippe Grappin
- IRHS (Institut de Recherche en Horticulture et Semences), UMR 1345, INRA, Agrocampus-Ouest, Université d’Angers, QuaSaV, Beaucouzé, France
| | - Etienne Bucher
- IRHS (Institut de Recherche en Horticulture et Semences), UMR 1345, INRA, Agrocampus-Ouest, Université d’Angers, QuaSaV, Beaucouzé, France
| | - Jean-Pierre Renou
- IRHS (Institut de Recherche en Horticulture et Semences), UMR 1345, INRA, Agrocampus-Ouest, Université d’Angers, QuaSaV, Beaucouzé, France
- Correspondence: or
| | - Sébastien Aubourg
- IRHS (Institut de Recherche en Horticulture et Semences), UMR 1345, INRA, Agrocampus-Ouest, Université d’Angers, QuaSaV, Beaucouzé, France
- Correspondence: or
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Filippova A, Lyapina I, Kirov I, Zgoda V, Belogurov A, Kudriaeva A, Ivanov V, Fesenko I. Salicylic acid influences the protease activity and posttranslation modifications of the secreted peptides in the moss Physcomitrella patens. J Pept Sci 2018; 25:e3138. [PMID: 30575224 DOI: 10.1002/psc.3138] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/18/2018] [Accepted: 11/20/2018] [Indexed: 02/06/2023]
Abstract
Plant secretome comprises dozens of secreted proteins. However, little is known about the composition of the whole secreted peptide pools and the proteases responsible for the generation of the peptide pools. The majority of studies focus on target detection and characterization of specific plant peptide hormones. In this study, we performed a comprehensive analysis of the whole extracellular peptidome, using moss Physcomitrella patens as a model. Hundreds of modified and unmodified endogenous peptides that originated from functional and nonfunctional protein precursors were identified. The plant proteases responsible for shaping the pool of endogenous peptides were predicted. Salicylic acid (SA) influenced peptide production in the secretome. The proteasome activity was altered upon SA treatment, thereby influencing the composition of the peptide pools. These results shed more light on the role of proteases and posttranslational modification in the "active management" of the extracellular peptide pool in response to stress conditions. It also identifies a list of potential peptide hormones in the moss secretome for further analysis.
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Affiliation(s)
- Anna Filippova
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
| | - Irina Lyapina
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
| | - Ilya Kirov
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
| | - Victor Zgoda
- V.N. Orekhovich Research Institute of Biomedical Chemistry, Department of Proteomic Research and Mass Spectrometry, Moscow, Russian Federation
| | - Alexey Belogurov
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
| | - Anna Kudriaeva
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
| | - Vadim Ivanov
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
| | - Igor Fesenko
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
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24
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Shen B, Song J, Zhao Y, Zhang Y, Liu G, Li X, Guo X, Li W, Cao Z, Wu Y. Triintsin, a human pathogenic fungus-derived defensin with broad-spectrum antimicrobial activity. Peptides 2018; 107:61-67. [PMID: 30102941 DOI: 10.1016/j.peptides.2018.08.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/08/2018] [Accepted: 08/09/2018] [Indexed: 01/30/2023]
Abstract
Since there is a symbiotic and competitive relationship between microorganisms in the same ecological niche, fungal defensins have been found to be important resources for antimicrobial peptides. Here, a fungal defensin, triintsin, was characterized in a clinical isolate of Trichophyton interdigitale from a patient with onychomycosis. The comparison of its genomic and mRNA sequences showed the gene organization and structure of three coding exons separated by two introns. The precursor peptide of triintsin contained 85 amino acid residues, which were composed of three parts including an N-terminal signal domain of 21 residues, a pro-peptide of 47 residues that ended at lysine-arginine and a mature peptide of 38 residues at the C-terminus. The 3D-structure established by homology modeling revealed that triintsin presented a representative typical cysteine-stabilized α-helical and β-sheet fold. The reductive linear peptide of triintsin was obtained by chemical synthesis. After cyclization to form three pairs of disulfide bonds, the oxidative-type peptide displayed broad-spectrum antimicrobial activity against both gram-positive and gram-negative bacteria but also showed anti-fungal activity. Moreover, triintsin can effectively inhibit the growth of clinical strains. Altogether, the peptide is a human pathogenic fungus-derived defensin with broad-spectrum antimicrobial activity.
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Affiliation(s)
- Bingzheng Shen
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China; Department of pharmacy, Renmin Hospital, Wuhan University, Wuhan 430060, China
| | - Jinchun Song
- Department of pharmacy, Renmin Hospital, Wuhan University, Wuhan 430060, China
| | - Yonghui Zhao
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Yaoyun Zhang
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Gaomin Liu
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Xueke Li
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Xingchen Guo
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Wenxin Li
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China; Bio-drug Research Center, Wuhan University, Wuhan 430072, China
| | - Zhijian Cao
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China; Bio-drug Research Center, Wuhan University, Wuhan 430072, China; Hubei Province Engineering and Technology Research, Center for Fluorinated Pharmaceuticals, Wuhan University, Wuhan 430072, China.
| | - Yingliang Wu
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China; Bio-drug Research Center, Wuhan University, Wuhan 430072, China.
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25
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Xu Y, Yu Z, Zhang D, Huang J, Wu C, Yang G, Yan K, Zhang S, Zheng C. CYSTM, a Novel Non-Secreted Cysteine-Rich Peptide Family, Involved in Environmental Stresses in Arabidopsis thaliana. PLANT & CELL PHYSIOLOGY 2018; 59:423-438. [PMID: 29272523 DOI: 10.1093/pcp/pcx202] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 12/12/2017] [Indexed: 05/24/2023]
Abstract
The cysteine-rich transmembrane module (CYSTM) is comprised of a small molecular protein family that is found in a diversity of tail-anchored membrane proteins across eukaryotes. This protein family belongs to novel uncharacteristic non-secreted cysteine-rich peptides (NCRPs) according to their conserved domain and small molecular weight, and genome-wide analysis of this family has not yet been undertaken in plants. In this study, 13 CYSTM genes were identified and located on five chromosomes with diverse densities in Arabidopsis thaliana. The CYSTM proteins could be classified into four subgroups based on domain similarity and phylogenetic topology. Encouragingly, the CYSTM members were expressed in at least one of the tested tissues and dramatically responded to various abiotic stresses, indicating that they played vital roles in diverse developmental processes, especially in stress responses. CYSTM peptides displayed a complex subcellular localization, and most were detected at the plasma membrane and cytoplasm. Of particular interest, CYSTM members could dimerize with themselves or others through the C-terminal domain, and we built a protein-protein interaction map between CYSTM members in Arabidopsis for the first time. In addition, an analysis of CYSTM3 overexpression lines revealed negative regulation for this gene in salt stress responses. We demonstrate that the CYSTM family, as a novel and ubiquitous non-secreted cysteine-rich peptide family, plays a vital role in resistance to abiotic stress. Collectively, our comprehensive analysis of CYSTM members will facilitate future functional studies of the small peptides.
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Affiliation(s)
- Yang Xu
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Zipeng Yu
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Di Zhang
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Jinguang Huang
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Changai Wu
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Guodong Yang
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Kang Yan
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Shizhong Zhang
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Chengchao Zheng
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
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26
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Fesenko I, Khazigaleeva R, Govorun V, Ivanov V. Analysis of Endogenous Peptide Pools of Physcomitrella patens Moss. Methods Mol Biol 2018; 1719:395-405. [PMID: 29476527 DOI: 10.1007/978-1-4939-7537-2_27] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Here, we report our approach to peptidomic analysis of the plant object which led to structure elucidation of the title peptides. P. patens samples were extracted under conditions preventing proteolytic digestion by endogenous proteases. The extracts were fractionated on size exclusion columns and the peptide fractions subjected to LC-MS/MS analysis. Mass spectra datasets were analyzed for the presence of peptides derived from the proteins encoded by the moss genome. Experimental details are given for each step, selected chromatograms and mass-spectra are presented in figures.
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Affiliation(s)
- Igor Fesenko
- Laboratory of Proteomics, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.
| | - Regina Khazigaleeva
- Laboratory of Proteomics, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Vadim Govorun
- Laboratory of Proteomics, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
- Laboratory of the Proteomic Analysis, Research Institute for Physico-Chemical Medicine, Moscow, Russia
| | - Vadim Ivanov
- Laboratory of Proteomics, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
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27
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Song H, Wang X, Hu W, Yang X, Diao E, Shen T, Qiang Q. A cold-induced phytosulfokine peptide is related to the improvement of loquat fruit chilling tolerance. Food Chem 2017; 232:434-442. [DOI: 10.1016/j.foodchem.2017.04.045] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 03/21/2017] [Accepted: 04/06/2017] [Indexed: 12/31/2022]
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28
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Fahradpour M, Keov P, Tognola C, Perez-Santamarina E, McCormick PJ, Ghassempour A, Gruber CW. Cyclotides Isolated from an Ipecac Root Extract Antagonize the Corticotropin Releasing Factor Type 1 Receptor. Front Pharmacol 2017; 8:616. [PMID: 29033832 PMCID: PMC5627009 DOI: 10.3389/fphar.2017.00616] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 08/23/2017] [Indexed: 12/22/2022] Open
Abstract
Cyclotides are plant derived, cystine-knot stabilized peptides characterized by their natural abundance, sequence variability and structural plasticity. They are abundantly expressed in Rubiaceae, Psychotrieae in particular. Previously the cyclotide kalata B7 was identified to modulate the human oxytocin and vasopressin G protein-coupled receptors (GPCRs), providing molecular validation of the plants' uterotonic properties and further establishing cyclotides as valuable source for GPCR ligand design. In this study we screened a cyclotide extract derived from the root powder of the South American medicinal plant ipecac (Carapichea ipecacuanha) for its GPCR modulating activity of the corticotropin-releasing factor type 1 receptor (CRF1R). We identified and characterized seven novel cyclotides. One cyclotide, caripe 8, isolated from the most active fraction, was further analyzed and found to antagonize the CRF1R. A nanomolar concentration of this cyclotide (260 nM) reduced CRF potency by ∼4.5-fold. In contrast, caripe 8 did not inhibit forskolin-, or vasopressin-stimulated cAMP responses at the vasopressin V2 receptor, suggesting a CRF1R-specific mode-of-action. These results in conjunction with our previous findings establish cyclotides as modulators of both classes A and B GPCRs. Given the diversity of cyclotides, our data point to other cyclotide-GPCR interactions as potentially important sources of drug-like molecules.
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Affiliation(s)
- Mohsen Fahradpour
- Center for Physiology and Pharmacology, Medical University of ViennaVienna, Austria.,Medicinal Plants and Drugs Research Institute, Shahid Beheshti UniversityTehran, Iran
| | - Peter Keov
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, BrisbaneQLD, Australia
| | - Carlotta Tognola
- Center for Physiology and Pharmacology, Medical University of ViennaVienna, Austria
| | | | - Peter J McCormick
- School of Veterinary Medicine, University of SurreyGuildford, United Kingdom
| | - Alireza Ghassempour
- Medicinal Plants and Drugs Research Institute, Shahid Beheshti UniversityTehran, Iran
| | - Christian W Gruber
- Center for Physiology and Pharmacology, Medical University of ViennaVienna, Austria.,Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, BrisbaneQLD, Australia
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29
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The Arabidopsis defensin gene, AtPDF1.1, mediates defence against Pectobacterium carotovorum subsp. carotovorum via an iron-withholding defence system. Sci Rep 2017; 7:9175. [PMID: 28835670 PMCID: PMC5569111 DOI: 10.1038/s41598-017-08497-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 07/10/2017] [Indexed: 12/05/2022] Open
Abstract
Plant defensins (PDFs) are cysteine-rich peptides that have a range of biological functions, including defence against fungal pathogens. However, little is known about their role in defence against bacteria. In this study, we showed that the protein encoded by ARABIDOPSIS THALIANA PLANT DEFENSIN TYPE 1.1 (AtPDF1.1) is a secreted protein that can chelate apoplastic iron. Transcripts of AtPDF1.1 were induced in both systemic non-infected leaves of Arabidopsis thaliana plants and those infected with the necrotrophic bacterium Pectobacterium carotovorum subsp. carotovorum (Pcc). The expression levels of AtPDF1.1 with correct subcellular localization in transgenic A. thaliana plants were positively correlated with tolerance to Pcc, suggesting its involvement in the defence against this bacterium. Expression analysis of genes associated with iron homeostasis/deficiency and hormone signalling indicated that the increased sequestration of iron by apoplastic AtPDF1.1 overexpression perturbs iron homeostasis in leaves and consequently activates an iron-deficiency-mediated response in roots via the ethylene signalling pathway. This in turn triggers ethylene-mediated signalling in systemic leaves, which is involved in suppressing the infection of necrotrophic pathogens. These findings provide new insight into the key functions of plant defensins in limiting the infection by the necrotrophic bacterium Pcc via an iron-deficiency-mediated defence response.
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30
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Thynne E, Saur IML, Simbaqueba J, Ogilvie HA, Gonzalez‐Cendales Y, Mead O, Taranto A, Catanzariti A, McDonald MC, Schwessinger B, Jones DA, Rathjen JP, Solomon PS. Fungal phytopathogens encode functional homologues of plant rapid alkalinization factor (RALF) peptides. MOLECULAR PLANT PATHOLOGY 2017; 18:811-824. [PMID: 27291634 PMCID: PMC6638259 DOI: 10.1111/mpp.12444] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 06/08/2016] [Accepted: 06/09/2016] [Indexed: 05/19/2023]
Abstract
In this article, we describe the presence of genes encoding close homologues of an endogenous plant peptide, rapid alkalinization factor (RALF), within the genomes of 26 species of phytopathogenic fungi. Members of the RALF family are key growth factors in plants, and the sequence of the RALF active region is well conserved between plant and fungal proteins. RALF1-like sequences were observed in most cases; however, RALF27-like sequences were present in the Sphaerulina musiva and Septoria populicola genomes. These two species are pathogens of poplar and, interestingly, the closest relative to their respective RALF genes is a poplar RALF27-like sequence. RALF peptides control cellular expansion during plant development, but were originally defined on the basis of their ability to induce rapid alkalinization in tobacco cell cultures. To test whether the fungal RALF peptides were biologically active in plants, we synthesized RALF peptides corresponding to those encoded by two sequenced genomes of the tomato pathogen Fusarium oxysporum f. sp. lycopersici. One of these peptides inhibited the growth of tomato seedlings and elicited responses in tomato and Nicotiana benthamiana typical of endogenous plant RALF peptides (reactive oxygen species burst, induced alkalinization and mitogen-activated protein kinase activation). Gene expression analysis confirmed that a RALF-encoding gene in F. oxysporum f. sp. lycopersici was expressed during infection on tomato. However, a subsequent reverse genetics approach revealed that the RALF peptide was not required by F. oxysporum f. sp. lycopersici for infection on tomato roots. This study has demonstrated the presence of functionally active RALF peptides encoded within phytopathogens that harbour an as yet undetermined role in plant-pathogen interactions.
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Affiliation(s)
- Elisha Thynne
- Plant Sciences DivisionThe Australian National UniversityCanberra2601Australia
| | - Isabel M. L. Saur
- Plant Sciences DivisionThe Australian National UniversityCanberra2601Australia
| | - Jaime Simbaqueba
- Plant Sciences DivisionThe Australian National UniversityCanberra2601Australia
| | - Huw A. Ogilvie
- Evolution, Ecology and Genetics Division, Research School of BiologyThe Australian National UniversityCanberra2601Australia
- Computational Evolution Group, The University of AucklandAuckland1142New Zealand
| | | | - Oliver Mead
- Plant Sciences DivisionThe Australian National UniversityCanberra2601Australia
| | - Adam Taranto
- Plant Sciences DivisionThe Australian National UniversityCanberra2601Australia
| | | | - Megan C. McDonald
- Plant Sciences DivisionThe Australian National UniversityCanberra2601Australia
| | | | - David A. Jones
- Plant Sciences DivisionThe Australian National UniversityCanberra2601Australia
| | - John P. Rathjen
- Plant Sciences DivisionThe Australian National UniversityCanberra2601Australia
| | - Peter S. Solomon
- Plant Sciences DivisionThe Australian National UniversityCanberra2601Australia
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31
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Khazigaleeva RA, Vinogradova SV, Petrova VL, Fesenko IA, Arapidi GP, Kamionskaya AM, Govorun VM, Ivanov VT. Antimicrobial activity of endogenous peptides of the moss Physcomitrella patens. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2017. [DOI: 10.1134/s1068162017030062] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Jelenska J, Davern SM, Standaert RF, Mirzadeh S, Greenberg JT. Flagellin peptide flg22 gains access to long-distance trafficking in Arabidopsis via its receptor, FLS2. JOURNAL OF EXPERIMENTAL BOTANY 2017; 68:1769-1783. [PMID: 28521013 PMCID: PMC5444442 DOI: 10.1093/jxb/erx060] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Diverse pathogen-derived molecules, such as bacterial flagellin and its conserved peptide flg22, are recognized in plants via plasma membrane receptors and induce both local and systemic immune responses. The fate of such ligands was unknown: whether and by what mechanism(s) they enter plant cells and whether they are transported to distal tissues. We used biologically active fluorophore and radiolabeled peptides to establish that flg22 moves to distal organs with the closest vascular connections. Remarkably, entry into the plant cell via endocytosis together with the FLS2 receptor is needed for delivery to vascular tissue and long-distance transport of flg22. This contrasts with known routes of long distance transport of other non-cell-permeant molecules in plants, which require membrane-localized transporters for entry to vascular tissue. Thus, a plasma membrane receptor acts as a transporter to enable access of its ligand to distal trafficking routes.
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Affiliation(s)
- Joanna Jelenska
- Department of Molecular Genetics and Cell Biology, University of Chicago, Chicago, IL 60637, USA
| | - Sandra M Davern
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Nuclear Security and Isotope Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Robert F Standaert
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Department of Biochemistry & Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
- Biology and Soft Matter Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Shull Wollan Center - a Joint Institute for Neutron Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Saed Mirzadeh
- Nuclear Security and Isotope Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Biology and Soft Matter Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Jean T Greenberg
- Department of Molecular Genetics and Cell Biology, University of Chicago, Chicago, IL 60637, USA
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33
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Games PD, daSilva EQG, Barbosa MDO, Almeida-Souza HO, Fontes PP, deMagalhães-Jr MJ, Pereira PRG, Prates MV, Franco GR, Faria-Campos A, Campos SVA, Baracat-Pereira MC. Computer aided identification of a Hevein-like antimicrobial peptide of bell pepper leaves for biotechnological use. BMC Genomics 2016; 17:999. [PMID: 28105928 PMCID: PMC5249031 DOI: 10.1186/s12864-016-3332-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Antimicrobial peptides from plants present mechanisms of action that are different from those of conventional defense agents. They are under-explored but have a potential as commercial antimicrobials. Bell pepper leaves ('Magali R') are discarded after harvesting the fruit and are sources of bioactive peptides. This work reports the isolation by peptidomics tools, and the identification and partially characterization by computational tools of an antimicrobial peptide from bell pepper leaves, and evidences the usefulness of records and the in silico analysis for the study of plant peptides aiming biotechnological uses. RESULTS Aqueous extracts from leaves were enriched in peptide by salt fractionation and ultrafiltration. An antimicrobial peptide was isolated by tandem chromatographic procedures. Mass spectrometry, automated peptide sequencing and bioinformatics tools were used alternately for identification and partial characterization of the Hevein-like peptide, named HEV-CANN. The computational tools that assisted to the identification of the peptide included BlastP, PSI-Blast, ClustalOmega, PeptideCutter, and ProtParam; conventional protein databases (DB) as Mascot, Protein-DB, GenBank-DB, RefSeq, Swiss-Prot, and UniProtKB; specific for peptides DB as Amper, APD2, CAMP, LAMPs, and PhytAMP; other tools included in ExPASy for Proteomics; The Bioactive Peptide Databases, and The Pepper Genome Database. The HEV-CANN sequence presented 40 amino acid residues, 4258.8 Da, theoretical pI-value of 8.78, and four disulfide bonds. It was stable, and it has inhibited the growth of phytopathogenic bacteria and a fungus. HEV-CANN presented a chitin-binding domain in their sequence. There was a high identity and a positive alignment of HEV-CANN sequence in various databases, but there was not a complete identity, suggesting that HEV-CANN may be produced by ribosomal synthesis, which is in accordance with its constitutive nature. CONCLUSIONS Computational tools for proteomics and databases are not adjusted for short sequences, which hampered HEV-CANN identification. The adjustment of statistical tests in large databases for proteins is an alternative to promote the significant identification of peptides. The development of specific DB for plant antimicrobial peptides, with information about peptide sequences, functional genomic data, structural motifs and domains of molecules, functional domains, and peptide-biomolecule interactions are valuable and necessary.
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Affiliation(s)
- Patrícia Dias Games
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Viçosa, MG 36570-900 Brazil
| | | | - Meire de Oliveira Barbosa
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Viçosa, MG 36570-900 Brazil
| | | | - Patrícia Pereira Fontes
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Viçosa, MG 36570-900 Brazil
| | - Marcos Jorge deMagalhães-Jr
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Viçosa, MG 36570-900 Brazil
| | | | - Maura Vianna Prates
- Embrapa Genetic Resources & Biotechnology, Brazilian Agricultural Research Corporation, Brasília, DF 70770-900 Brazil
| | - Gloria Regina Franco
- Department of Biochemistry and Immunology-ICB, Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Belo Horizonte, MG 31270-901 Brazil
| | - Alessandra Faria-Campos
- Department of Computer Science-ICEX, Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Belo Horizonte, MG 31270-901 Brazil
| | - Sérgio Vale Aguiar Campos
- Department of Computer Science-ICEX, Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Belo Horizonte, MG 31270-901 Brazil
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34
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Istomina EA, Korostyleva TV, Rozhnova NA, Rogozhin EA, Pukhalskiy VA, Odintsova TI. Genes encoding hevein-like antimicrobial peptides WAMPs: Expression in response to phytohormones and environmental factors. RUSS J GENET+ 2016. [DOI: 10.1134/s1022795416110053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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35
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Extensive characterization of peptides from
Panax ginseng
C. A. Meyer using mass spectrometric approach. Proteomics 2016; 16:2788-2791. [DOI: 10.1002/pmic.201600183] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 07/29/2016] [Accepted: 08/25/2016] [Indexed: 12/27/2022]
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Maestri E, Marmiroli M, Marmiroli N. Bioactive peptides in plant-derived foodstuffs. J Proteomics 2016; 147:140-155. [DOI: 10.1016/j.jprot.2016.03.048] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 03/14/2016] [Accepted: 03/29/2016] [Indexed: 01/07/2023]
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Abstract
A significant part of the communication between plant cells is mediated by signaling peptides and their corresponding plasma membrane-localized receptor-like kinases. This communication mechanism serves as a key regulatory unit for coordination of plant growth and development. In the past years more peptide–receptor signaling pathways have been shown to regulate developmental processes, such as shoot and root meristem maintenance, seed formation, and floral abscission. More detailed understanding of the processes behind this regulation might also be helpful to increase the yield of crop plants.
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Affiliation(s)
- Maike Breiden
- Institute for Developmental Genetics, Heinrich-Heine-Universität Düsseldorf, University Street, D-40225, Düsseldorf, Germany
| | - Rüdiger Simon
- Cluster of Excellence on Plant Sciences and Institute for Developmental Genetics, Heinrich-Heine University, University Street 1, D-40225, Düsseldorf, Germany.
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Antimicrobial peptide production and plant-based expression systems for medical and agricultural biotechnology. Biotechnol Adv 2015; 33:1005-23. [DOI: 10.1016/j.biotechadv.2015.03.007] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2014] [Revised: 02/25/2015] [Accepted: 03/10/2015] [Indexed: 11/24/2022]
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Belknap WR, McCue KF, Harden LA, Vensel WH, Bausher MG, Stover E. A family of small cyclic amphipathic peptides (SCAmpPs) genes in citrus. BMC Genomics 2015; 16:303. [PMID: 25887227 PMCID: PMC4409773 DOI: 10.1186/s12864-015-1486-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 03/25/2015] [Indexed: 01/20/2023] Open
Abstract
Background Citrus represents a crop of global importance both in economic impact and significance to nutrition. Citrus production worldwide is threatened by the disease Huanglongbing (HLB), caused by the phloem-limited pathogen Candidatus Liberibacter spp.. As a source of stable HLB-resistance has yet to be identified, there is considerable interest in characterization of novel disease-associated citrus genes. Results A gene family of Small Cyclic Amphipathic Peptides (SCAmpPs) in citrus is described. The citrus genomes contain 100–150 SCAmpPs genes, approximately 50 of which are represented in the citrus EST database. These genes encode small ~50 residue precursor proteins that are post-translationally processed, releasing 5–10 residue cyclic peptides. The structures of the SCAmpPs genes are highly conserved, with the small coding domains interrupted by a single intron and relatively extended untranslated regions. Some family members are very highly transcribed in specific citrus tissues, as determined by representation in tissue-specific cDNA libraries. Comparison of the ESTs of related SCAmpPs revealed an unexpected evolutionary profile, consistent with targeted mutagenesis of the predicted cyclic peptide domain. The SCAmpPs genes are displayed in clusters on the citrus chromosomes, with apparent association with receptor leucine-rich repeat protein arrays. This study focused on three SCAmpPs family members with high constitutive expression in citrus phloem. Unexpectedly high sequence conservation was observed in the promoter region of two phloem-expressed SCAmpPs that encode very distinct predicted cyclic products. The processed cyclic product of one of these phloem SCAmpPs was characterized by LC-MS-MS analysis of phloem tissue, revealing properties consistent with a K+ ionophore. Conclusions The SCAmpPs amino acid composition, protein structure, expression patterns, evolutionary profile and chromosomal distribution are consistent with designation as ribosomally synthesized defense-related peptides. Electronic supplementary material The online version of this article (doi:10.1186/s12864-015-1486-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | - Kent F McCue
- USDA-ARS, Western Regional Research Center, Albany, CA, USA.
| | - Leslie A Harden
- USDA-ARS, Western Regional Research Center, Albany, CA, USA.
| | | | - Michael G Bausher
- USDA-ARS, U. S. Horticultural Research Laboratory, Fort Pierce, FL, USA.
| | - Ed Stover
- USDA-ARS, U. S. Horticultural Research Laboratory, Fort Pierce, FL, USA.
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Fesenko IA, Arapidi GP, Skripnikov AY, Alexeev DG, Kostryukova ES, Manolov AI, Altukhov IA, Khazigaleeva RA, Seredina AV, Kovalchuk SI, Ziganshin RH, Zgoda VG, Novikova SE, Semashko TA, Slizhikova DK, Ptushenko VV, Gorbachev AY, Govorun VM, Ivanov VT. Specific pools of endogenous peptides are present in gametophore, protonema, and protoplast cells of the moss Physcomitrella patens. BMC PLANT BIOLOGY 2015; 15:87. [PMID: 25848929 PMCID: PMC4365561 DOI: 10.1186/s12870-015-0468-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Accepted: 02/26/2015] [Indexed: 05/27/2023]
Abstract
BACKGROUND Protein degradation is a basic cell process that operates in general protein turnover or to produce bioactive peptides. However, very little is known about the qualitative and quantitative composition of a plant cell peptidome, the actual result of this degradation. In this study we comprehensively analyzed a plant cell peptidome and systematically analyzed the peptide generation process. RESULTS We thoroughly analyzed native peptide pools of Physcomitrella patens moss in two developmental stages as well as in protoplasts. Peptidomic analysis was supplemented by transcriptional profiling and quantitative analysis of precursor proteins. In total, over 20,000 unique endogenous peptides, ranging in size from 5 to 78 amino acid residues, were identified. We showed that in both the protonema and protoplast states, plastid proteins served as the main source of peptides and that their major fraction formed outside of chloroplasts. However, in general, the composition of peptide pools was very different between these cell types. In gametophores, stress-related proteins, e.g., late embryogenesis abundant proteins, were among the most productive precursors. The Driselase-mediated protonema conversion to protoplasts led to a peptide generation "burst", with a several-fold increase in the number of components in the latter. Degradation of plastid proteins in protoplasts was accompanied by suppression of photosynthetic activity. CONCLUSION We suggest that peptide pools in plant cells are not merely a product of waste protein degradation, but may serve as important functional components for plant metabolism. We assume that the peptide "burst" is a form of biotic stress response that might produce peptides with antimicrobial activity from originally functional proteins. Potential functions of peptides in different developmental stages are discussed.
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Affiliation(s)
- Igor A Fesenko
- />Department of Proteomics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10, Miklukho-Maklaya, GSP-7, Moscow, 117997 Russian Federation
| | - Georgij P Arapidi
- />Department of Proteomics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10, Miklukho-Maklaya, GSP-7, Moscow, 117997 Russian Federation
- />Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow Region, 141700 Russian Federation
| | - Alexander Yu Skripnikov
- />Department of Proteomics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10, Miklukho-Maklaya, GSP-7, Moscow, 117997 Russian Federation
- />Biology Department, Lomonosov Moscow State University, Moscow, 199234 Russian Federation
| | - Dmitry G Alexeev
- />Research Institute of Physical-Chemical Medicine, Federal Medical & Biological Agency, 1a, Malaya Pirogovskaya, Moscow, 119992 Russian Federation
- />Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow Region, 141700 Russian Federation
| | - Elena S Kostryukova
- />Research Institute of Physical-Chemical Medicine, Federal Medical & Biological Agency, 1a, Malaya Pirogovskaya, Moscow, 119992 Russian Federation
| | - Alexander I Manolov
- />Research Institute of Physical-Chemical Medicine, Federal Medical & Biological Agency, 1a, Malaya Pirogovskaya, Moscow, 119992 Russian Federation
- />Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow Region, 141700 Russian Federation
| | - Ilya A Altukhov
- />Research Institute of Physical-Chemical Medicine, Federal Medical & Biological Agency, 1a, Malaya Pirogovskaya, Moscow, 119992 Russian Federation
- />Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow Region, 141700 Russian Federation
| | - Regina A Khazigaleeva
- />Department of Proteomics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10, Miklukho-Maklaya, GSP-7, Moscow, 117997 Russian Federation
| | - Anna V Seredina
- />Department of Proteomics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10, Miklukho-Maklaya, GSP-7, Moscow, 117997 Russian Federation
| | - Sergey I Kovalchuk
- />Department of Proteomics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10, Miklukho-Maklaya, GSP-7, Moscow, 117997 Russian Federation
- />Research Institute of Physical-Chemical Medicine, Federal Medical & Biological Agency, 1a, Malaya Pirogovskaya, Moscow, 119992 Russian Federation
| | - Rustam H Ziganshin
- />Department of Proteomics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10, Miklukho-Maklaya, GSP-7, Moscow, 117997 Russian Federation
| | - Viktor G Zgoda
- />Institute of Biomedical Chemistry RAMS im. V.N. Orehovicha, 10, Pogodinskaya Street, Moscow, 119121 Russian Federation
| | - Svetlana E Novikova
- />Institute of Biomedical Chemistry RAMS im. V.N. Orehovicha, 10, Pogodinskaya Street, Moscow, 119121 Russian Federation
| | - Tatiana A Semashko
- />Research Institute of Physical-Chemical Medicine, Federal Medical & Biological Agency, 1a, Malaya Pirogovskaya, Moscow, 119992 Russian Federation
| | - Darya K Slizhikova
- />Department of Proteomics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10, Miklukho-Maklaya, GSP-7, Moscow, 117997 Russian Federation
| | - Vasilij V Ptushenko
- />A. N. Belozersky Institute of Physico-Chemical Biology, M.V. Lomonosov Moscow State University, Leninskye Gory, House 1, Building 40, Moscow, 119992 Russian Federation
| | - Alexey Y Gorbachev
- />Research Institute of Physical-Chemical Medicine, Federal Medical & Biological Agency, 1a, Malaya Pirogovskaya, Moscow, 119992 Russian Federation
| | - Vadim M Govorun
- />Department of Proteomics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10, Miklukho-Maklaya, GSP-7, Moscow, 117997 Russian Federation
- />Research Institute of Physical-Chemical Medicine, Federal Medical & Biological Agency, 1a, Malaya Pirogovskaya, Moscow, 119992 Russian Federation
- />Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow Region, 141700 Russian Federation
| | - Vadim T Ivanov
- />Department of Proteomics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10, Miklukho-Maklaya, GSP-7, Moscow, 117997 Russian Federation
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Gendre D, Jonsson K, Boutté Y, Bhalerao RP. Journey to the cell surface--the central role of the trans-Golgi network in plants. PROTOPLASMA 2015; 252:385-98. [PMID: 25187082 DOI: 10.1007/s00709-014-0693-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Accepted: 08/21/2014] [Indexed: 05/11/2023]
Abstract
The secretion of proteins, lipids, and carbohydrates to the cell surface is essential for plant development and adaptation. Secreted substances synthesized at the endoplasmic reticulum pass through the Golgi apparatus and trans-Golgi network (TGN) en route to the plasma membrane via the conventional secretion pathway. The TGN is morphologically and functionally distinct from the Golgi apparatus. The TGN is located at the crossroads of many trafficking pathways and regulates a range of crucial processes including secretion to the cell surface, transport to the vacuole, and the reception of endocytic cargo. This review outlines the TGN's central role in cargo secretion, showing that its behavior is more complex and controlled than the bulk-flow hypothesis suggests. Its formation, structure, and maintenance are discussed along with the formation and release of secretory vesicles.
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Affiliation(s)
- Delphine Gendre
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83, Umeå, Sweden,
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Antigen Translocation Machineries in Adaptive Immunity and Viral Immune Evasion. J Mol Biol 2015; 427:1102-18. [DOI: 10.1016/j.jmb.2014.09.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Revised: 09/04/2014] [Accepted: 09/05/2014] [Indexed: 11/23/2022]
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