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Freitas CDT, Demarco D, Oliveira JS, Ramos MV. Review: Laticifer as a plant defense mechanism. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024:112136. [PMID: 38810884 DOI: 10.1016/j.plantsci.2024.112136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 05/22/2024] [Accepted: 05/25/2024] [Indexed: 05/31/2024]
Abstract
Laticifers have been utilized as paradigms to enhance comprehension of specific facets of plant ecology and evolution. From the beginning of seedling growth, autonomous laticifer networks are formed throughout the plant structure, extending across all tissues and organs. The vast majority of identified products resulting from laticifer chemistry and metabolism are linked to plant defense. The latex, which is the fluid contained within laticifers, is maintained under pressure and has evolved to serve as a defense mechanism against both aggressors and invaders, irrespective of their capabilities or tactics. Remarkably, the latex composition varies among different species. The current goal is to understand the specific functions of various latex components in combating plant enemies. Therefore, the study of latex's chemical composition and proteome plays a critical role in advancing our understanding about plant defense mechanisms. Here, we will discuss some of these aspects.
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Affiliation(s)
- Cleverson D T Freitas
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Campus do Pici, Bloco 907. Fortaleza-Ceará, Brazil. CEP 60451-970.
| | - Diego Demarco
- Department of Botany, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Jefferson S Oliveira
- Federal University of Delta of Parnaíba, Campus Ministro Reis Velloso, Parnaíba-PI, Brazil
| | - Márcio V Ramos
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Campus do Pici, Bloco 907. Fortaleza-Ceará, Brazil. CEP 60451-970.
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2
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Sadecki PW, Laws GD, Morgan JJ, Wommack AJ, Nawrot R, Hicks LM. The Greater Celandine: Identification and Characterization of an Antimicrobial Peptide from Chelidonium majus. JOURNAL OF NATURAL PRODUCTS 2024; 87:544-553. [PMID: 38366995 PMCID: PMC10959680 DOI: 10.1021/acs.jnatprod.3c00939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/19/2024]
Abstract
Chelidonium majus, known as Greater Celandine, is a latex-bearing plant that has been leveraged for its anticancer and antimicrobial properties. Herein, C. majus aerial tissue is mined for the presence of antimicrobial peptides. A highly abundant cysteine-rich peptide with a length of 25 amino acids, deemed CM-AMP1, is characterized through multiple mass spectrometric approaches. Electron-activated dissociation is leveraged to differentiate between isoleucine and leucine residues and complement conventional collision-induced dissociation to gain full sequence coverage of the full-length peptide. CM-AMP1 shares little sequence similarity with any proteins in publicly available databases, highlighting the novelty of its cysteine landscape and core motif. The presence of three disulfide bonds in the native peptide confers proteolytic stability, and antimicrobial activity is greatly decreased upon the alkylation of the cysteine residues. Synthetic variants of CM-AMP1 are used to confirm the activity of the full-length sequence and the core motif. To assess the biological impact, E. coli was grown in a sublethal concentration of CM-AMP1 and quantitative proteomics was used to identify proteins produced by the bacteria under stress, ultimately suggesting a membrane lytic antimicrobial mechanism of action. This study integrates multiple analytical methods for molecular and biological characterization of a unique antimicrobial peptide identified from C. majus.
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Affiliation(s)
- Patric W Sadecki
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Garrett D Laws
- Department of Chemistry, High Point University, High Point, North Carolina 27268, United States
| | - Johnathon J Morgan
- Department of Chemistry, High Point University, High Point, North Carolina 27268, United States
| | - Andrew J Wommack
- Department of Chemistry, High Point University, High Point, North Carolina 27268, United States
| | - Robert Nawrot
- Department of Molecular Virology, Faculty of Biology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań 61-712, Poland
| | - Leslie M Hicks
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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3
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Das S, Kwon M, Kim JY. Enhancement of specialized metabolites using CRISPR/Cas gene editing technology in medicinal plants. FRONTIERS IN PLANT SCIENCE 2024; 15:1279738. [PMID: 38450402 PMCID: PMC10915232 DOI: 10.3389/fpls.2024.1279738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 02/02/2024] [Indexed: 03/08/2024]
Abstract
Plants are the richest source of specialized metabolites. The specialized metabolites offer a variety of physiological benefits and many adaptive evolutionary advantages and frequently linked to plant defense mechanisms. Medicinal plants are a vital source of nutrition and active pharmaceutical agents. The production of valuable specialized metabolites and bioactive compounds has increased with the improvement of transgenic techniques like gene silencing and gene overexpression. These techniques are beneficial for decreasing production costs and increasing nutritional value. Utilizing biotechnological applications to enhance specialized metabolites in medicinal plants needs characterization and identification of genes within an elucidated pathway. The breakthrough and advancement of CRISPR/Cas-based gene editing in improving the production of specific metabolites in medicinal plants have gained significant importance in contemporary times. This article imparts a comprehensive recapitulation of the latest advancements made in the implementation of CRISPR-gene editing techniques for the purpose of augmenting specific metabolites in medicinal plants. We also provide further insights and perspectives for improving metabolic engineering scenarios in medicinal plants.
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Affiliation(s)
- Swati Das
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Gyeongsang National University, Jinju, Republic of Korea
| | - Moonhyuk Kwon
- Division of Life Science, Anti-aging Bio Cell Factory Regional Leading Research Center (ABC-RLRC), Research Institute of Molecular Alchemy (RIMA), Gyeongsang National University, Jinju, Republic of Korea
| | - Jae-Yean Kim
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Gyeongsang National University, Jinju, Republic of Korea
- Nulla Bio R&D Center, Nulla Bio Inc., Jinju, Republic of Korea
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4
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Merchán-Gaitán JB, Mendes JHL, Nunes LEC, Buss DS, Rodrigues SP, Fernandes PMB. The Role of Plant Latex in Virus Biology. Viruses 2023; 16:47. [PMID: 38257746 PMCID: PMC10819414 DOI: 10.3390/v16010047] [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: 11/21/2023] [Revised: 12/21/2023] [Accepted: 12/25/2023] [Indexed: 01/24/2024] Open
Abstract
At least 20,000 plant species produce latex, a capacity that appears to have evolved independently on numerous occasions. With a few exceptions, latex is stored under pressure in specialized cells known as laticifers and is exuded upon injury, leading to the assumption that it has a role in securing the plant after mechanical injury. In addition, a defensive effect against insect herbivores and fungal infections has been well established. Latex also appears to have effects on viruses, and laticifers are a hostile environment for virus colonization. Only one example of successful colonization has been reported: papaya meleira virus (PMeV) and papaya meleira virus 2 (PMeV2) in Carica papaya. In this review, a summary of studies that support both the pro- and anti-viral effects of plant latex compounds is provided. The latex components represent a promising natural source for the discovery of new pro- and anti-viral molecules in the fields of agriculture and medicine.
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Affiliation(s)
| | - João H. L. Mendes
- Multidisciplinary Core for Research in Biology, Campus Duque de Caxias, Federal University of Rio de Janeiro, Duque de Caxias 25240-005, RJ, Brazil; (J.H.L.M.); (L.E.C.N.)
| | - Lucas E. C. Nunes
- Multidisciplinary Core for Research in Biology, Campus Duque de Caxias, Federal University of Rio de Janeiro, Duque de Caxias 25240-005, RJ, Brazil; (J.H.L.M.); (L.E.C.N.)
| | - David S. Buss
- School of Life Sciences, Keele University, Newcastle ST5 5BG, UK;
| | - Silas P. Rodrigues
- Multidisciplinary Core for Research in Biology, Campus Duque de Caxias, Federal University of Rio de Janeiro, Duque de Caxias 25240-005, RJ, Brazil; (J.H.L.M.); (L.E.C.N.)
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5
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Freitas CDT, Souza DP, Grangeiro TB, Sousa JS, Lima IVM, Souza PFN, Lima CS, Gomes ADS, Monteiro-Moreira ACO, Aguiar TKB, Ramos MV. Proteomic analysis of Cryptostegia grandiflora latex, purification, characterization, and biological activity of two osmotin isoforms. Int J Biol Macromol 2023; 252:126529. [PMID: 37633557 DOI: 10.1016/j.ijbiomac.2023.126529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/17/2023] [Accepted: 08/23/2023] [Indexed: 08/28/2023]
Abstract
Although latex fluids are found in >20,000 plant species, the biochemical composition and biological function of their proteins are still poorly explored. Thus, this work aimed to conduct a proteomic analysis of Cryptostegia grandiflora latex (CgLP) for subsequent purification and characterization of an antifungal protein. After 2D-SDS-PAGE and mass spectrometry, 27 proteins were identified in CgLP, including a polygalacturonase inhibitor, cysteine peptidases, pathogenesis-related proteins (PR-4), and osmotins. Then, two osmotin isoforms (CgOsm) were purified, and a unique N-terminal sequence was determined (1ATFDIRSNCPYTVWAAAVPGGGRRLDRGQTWTINVAPGTA40). The PCR products revealed a cDNA sequence of 609 nucleotides for CgOsm, which encoded a polypeptide with 203 amino acid residues. The structure of CgOsm has features of typical osmotin or thaumatin-like proteins (TLPs), such as 16 conserved Cys residues, REDDD and FF motifs, an acidic cleft, and three main domains. Atomic force microscopy (AFM) and bioinformatics suggested that CgOsm is associated with three chain units. This result was interesting since the literature describes osmotins and TLPs as monomers. AFM also showed that Fusarium falciforme spores treated with CgOsm were drastically damaged. Therefore, it is speculated that CgOsm forms pores in the membrane of these cells, causing the leakage of cytoplasmic content.
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Affiliation(s)
- Cleverson D T Freitas
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, Bloco 907, Fortaleza, Ceará CEP 60451-970, Brazil.
| | - Diego P Souza
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, Bloco 907, Fortaleza, Ceará CEP 60451-970, Brazil
| | - Thalles B Grangeiro
- Departamento de Biologia, Universidade Federal do Ceará, Campus do Pici, Bloco 906, Fortaleza, Ceará, Brazil
| | - Jeanlex S Sousa
- Departamento de Física, Universidade Federal do Ceará, Campus do Pici, Fortaleza, Ceará, Brazil
| | - Isis V M Lima
- Departamento de Física, Universidade Federal do Ceará, Campus do Pici, Fortaleza, Ceará, Brazil
| | - Pedro Filho N Souza
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, Bloco 907, Fortaleza, Ceará CEP 60451-970, Brazil
| | - Cristiano S Lima
- Departamento de Fitotecnia, Universidade Federal do Ceará, , Campus do Pici, Bloco 805, Fortaleza, Ceará, Brazil
| | - Alexandre D'Emery S Gomes
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, Bloco 907, Fortaleza, Ceará CEP 60451-970, Brazil
| | - Ana C O Monteiro-Moreira
- Centro de Biologia Experimental (NUBEX), Universidade de Fortaleza (UNIFOR), Fortaleza, Ceará, Brazil
| | - Tawanny K B Aguiar
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, Bloco 907, Fortaleza, Ceará CEP 60451-970, Brazil
| | - Márcio V Ramos
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, Bloco 907, Fortaleza, Ceará CEP 60451-970, Brazil.
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Yang HR, Zahan MN, Yoon Y, Kim K, Hwang DH, Kim WH, Rho IR, Kim E, Kang C. Unveiling the Potent Fibrino(geno)lytic, Anticoagulant, and Antithrombotic Effects of Papain, a Cysteine Protease from Carica papaya Latex Using κ-Carrageenan Rat Tail Thrombosis Model. Int J Mol Sci 2023; 24:16770. [PMID: 38069092 PMCID: PMC10706441 DOI: 10.3390/ijms242316770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/24/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
While fibrinolytic enzymes and thrombolytic agents offer assistance in treating cardiovascular diseases, the existing options are associated with a range of adverse effects. In our previous research, we successfully identified ficin, a naturally occurring cysteine protease that possesses unique fibrin and fibrinogenolytic enzymes, making it suitable for both preventing and treating cardiovascular disorders linked to thrombosis. Papain is a prominent cysteine protease derived from the latex of Carica papaya. The potential role of papain in preventing fibrino(geno)lytic, anticoagulant, and antithrombotic activities has not yet been investigated. Therefore, we examined how papain influences fibrinogen and the process of blood coagulation. Papain is highly stable at pH 4-11 and 37-60 °C via azocasein assay. In addition, SDS gel separation electrophoresis, zymography, and fibrin plate assays were used to determine fibrinogen and fibrinolysis activity. Papain has a molecular weight of around 37 kDa, and is highly effective in degrading fibrin, with a molecular weight of over 75 kDa. Furthermore, papain-based hemostatic performance was confirmed in blood coagulation tests, a blood clot lysis assay, and a κ-carrageenan rat tail thrombosis model, highlighting its strong efficacy in blood coagulation. Papain shows dose-dependent blood clot lysis activity, cleaves fibrinogen chains of Aα, Bβ, and γ-bands, and significantly extends prothrombin time (PT) and activated partial thromboplastin time (aPTT). Moreover, the mean length of the infarcted regions in the tails of Sprague-Dawley rats with κ-carrageenan was shorter in rats administered 10 U/kg of papain than in streptokinase-treated rats. Thus, papain, a cysteine protease, has distinct fibrin and fibrinogenolytic properties, suggesting its potential for preventing or treating cardiovascular issues and thrombosis-related diseases.
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Affiliation(s)
- Hye Ryeon Yang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
| | - Most Nusrat Zahan
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
| | - Yewon Yoon
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
| | - Kyuri Kim
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
| | - Du Hyeon Hwang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
| | - Woo Hyun Kim
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
- Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Il Rae Rho
- Institutes of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea;
| | - Euikyung Kim
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
- Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Changkeun Kang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
- Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
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7
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Rajan V. An Alkaline Foregut Protects Herbivores from Latex in Forage, but Increases Their Susceptibility to Bt Endotoxin. Life (Basel) 2023; 13:2195. [PMID: 38004335 PMCID: PMC10672702 DOI: 10.3390/life13112195] [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: 10/18/2023] [Revised: 11/03/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
About 10% of angiosperms, an estimated 20,000 species, produce latex from ubiquitous isoprene precursors. Latex, an aqueous suspension of rubber particles and other compounds, functions as an antifeedant and herbivory deterrent. It is soluble in neutral to alkaline pH, and coagulates in acidic environments. Here, I propose that foregut-fermenting herbivores such as ruminants, kangaroos, sloths, insect larvae, and tadpoles have adapted to latex in forage with the evolution of alkaline anterior digestive chamber(s). However, they consequently become susceptible to the action of Bacillus thuringiensis (Bt) δ-endotoxin and related bioinsecticides which are activated in alkaline environments. By contrast, hindgut-fermenting herbivores, such as horses and rabbits, have acidic anterior digestive chambers, in which latex coagulates and may cause gut blockage, but in which Bt is not activated. The latex-adapted foregut herbivore vs. latex-maladapted hindgut herbivore hypothesis developed in this paper has implications for hindgut-fermenting livestock and zoo animals which may be provided with latex-containing forage that is detrimental to their gut health. Further, ruminants and herbivorous tadpoles with alkaline anterior chambers are at risk of damage by the supposedly "environmentally friendly" Bt bioinsecticide, which is widely disseminated or engineered into crops which may enter animal feed streams.
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Affiliation(s)
- Vidya Rajan
- Department of Medical and Molecular Sciences, University of Delaware, Newark, DE 19716, USA
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8
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Kielich N, Mazur O, Musidlak O, Gracz-Bernaciak J, Nawrot R. Herbgenomics meets Papaveraceae: a promising -omics perspective on medicinal plant research. Brief Funct Genomics 2023:elad050. [PMID: 37952099 DOI: 10.1093/bfgp/elad050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/09/2023] [Accepted: 10/20/2023] [Indexed: 11/14/2023] Open
Abstract
Herbal medicines were widely used in ancient and modern societies as remedies for human ailments. Notably, the Papaveraceae family includes well-known species, such as Papaver somniferum and Chelidonium majus, which possess medicinal properties due to their latex content. Latex-bearing plants are a rich source of diverse bioactive compounds, with applications ranging from narcotics to analgesics and relaxants. With the advent of high-throughput technologies and advancements in sequencing tools, an opportunity exists to bridge the knowledge gap between the genetic information of herbs and the regulatory networks underlying their medicinal activities. This emerging discipline, known as herbgenomics, combines genomic information with other -omics studies to unravel the genetic foundations, including essential gene functions and secondary metabolite biosynthesis pathways. Furthermore, exploring the genomes of various medicinal plants enables the utilization of modern genetic manipulation techniques, such as Clustered Regularly-Interspaced Short Palindromic Repeats (CRISPR/Cas9) or RNA interference. This technological revolution has facilitated systematic studies of model herbs, targeted breeding of medicinal plants, the establishment of gene banks and the adoption of synthetic biology approaches. In this article, we provide a comprehensive overview of the recent advances in genomic, transcriptomic, proteomic and metabolomic research on species within the Papaveraceae family. Additionally, it briefly explores the potential applications and key opportunities offered by the -omics perspective in the pharmaceutical industry and the agrobiotechnology field.
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Affiliation(s)
- Natalia Kielich
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
| | - Oliwia Mazur
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
| | - Oskar Musidlak
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
| | - Joanna Gracz-Bernaciak
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
| | - Robert Nawrot
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
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Cao YH, Chen TT, Peng X, Wu RR, Li X, Liu GF, Shen LX, Chen XJ, Yang Z, Liu ZY, Sun ZL, Wu Y. Effect of Dietary Gelsemium elegans Benth. Extract on the Growth, Slaughter Performance, Meat Quality, Intestinal Morphology, and Microflora of Yellow-Feathered Chickens. J Poult Sci 2023; 60:2023023. [PMID: 37691877 PMCID: PMC10482210 DOI: 10.2141/jpsa.2023023] [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: 01/29/2023] [Accepted: 08/21/2023] [Indexed: 09/12/2023] Open
Abstract
The plant species Gelsemium elegans Benth. (GEB) promotes pig and sheep growth; however, little is known about its effects in chickens. In this study, a GEB extract (GEBE) was prepared, and its effects on the growth, slaughter, antioxidant performance, meat quality, serum biochemical indices, intestinal morphology, and microflora of yellow-feathered chickens were evaluated. In total, 600 chickens aged 15 days were randomly divided into four groups with five replicates each and fed a basal diet containing 0% (control), 0.25% (0.25 GEBE), 0.75% (0.75 GEBE), or 1.25% (1.25 GEBE) GEBE until 49 days of age. Chickens were then killed, and their meat, organs, and serum and cecal contents were collected. GEBE reduced the feed conversion ratio, particularly in the 0.75 and 1.25 GEBE groups. Furthermore, the GEBE diet improved meat tenderness and reduced the meat expressible moisture content and liver malondialdehyde content, indicating high meat quality. Whereas the 0.25 GEBE diet increased the level of Lactobacillus acidophilus in the cecum, the 0.75 GEBE diet decreased the Escherichia coli level therein. These findings demonstrate that GEBE may improve the meat quality and cecal microbiota of yellow-feathered chickens, providing a basis for identifying candidate alternatives to conventional antibiotics as growth promoting feed additives.
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Affiliation(s)
- Yu-Hang Cao
- College of Veterinary Medicine, Hunan Agricultural
University, Changsha 410128, China
| | - Ting-Ting Chen
- College of Veterinary Medicine, Hunan Agricultural
University, Changsha 410128, China
| | - Xiong Peng
- College of Veterinary Medicine, Hunan Agricultural
University, Changsha 410128, China
| | - Rong-Rong Wu
- College of Veterinary Medicine, Hunan Agricultural
University, Changsha 410128, China
| | - Xiang Li
- Hunan Canzoho Biological Technology Co., Ltd., Liuyang
410329, China
| | - Gao-Feng Liu
- Hunan Canzoho Biological Technology Co., Ltd., Liuyang
410329, China
| | - Li-Xia Shen
- College of Veterinary Medicine, Hunan Agricultural
University, Changsha 410128, China
| | - Xiao-Jun Chen
- College of Veterinary Medicine, Hunan Agricultural
University, Changsha 410128, China
| | - Zi Yang
- Academician Workstation, Changsha Medical University,
Changsha 410219, China
| | - Zhao-Ying Liu
- College of Veterinary Medicine, Hunan Agricultural
University, Changsha 410128, China
| | - Zhi-Liang Sun
- College of Veterinary Medicine, Hunan Agricultural
University, Changsha 410128, China
| | - Yong Wu
- College of Veterinary Medicine, Hunan Agricultural
University, Changsha 410128, China
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10
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Koza J, Jurgoński A. Partially defatted rather than native poppy seeds beneficially alter lipid metabolism in rats fed a high-fat diet. Sci Rep 2023; 13:14171. [PMID: 37644060 PMCID: PMC10465602 DOI: 10.1038/s41598-023-40888-x] [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: 03/27/2023] [Accepted: 08/17/2023] [Indexed: 08/31/2023] Open
Abstract
Partially defatted poppy seeds, a by-product of poppy oil cold pressing, could be an interesting dietary supplement for obesity management. The aim of this study was to compare the effects of dietary supplementation with a small amount of native or partially defatted poppy seeds on gastrointestinal function and lipid metabolism in rats fed a high-fat diet. The defatted poppy seeds had, among others, lower fat content and higher fibre and protein content than native poppy seeds. The rats fed with a high-fat diet were characterised by severe metabolic disorders, especially in the liver, and poppy seeds were unable to prevent them. However, depending on the seed form, dietary supplementation with poppy seeds differentially affected the microbial and endogenous lipid metabolism in rats. In the distal intestine, both dietary seed forms stimulated microbial acetate production, and the supplementation with partially defatted poppy seeds additionally inhibited isobutyrate and isovalerate formation, which indicates a reduction in putrefaction. Both dietary seed forms increased cholesterol accumulation in the liver. Only dietary supplementation with partially defatted poppy seeds attenuated visceral fat and hepatic triglyceride accumulations and lowered blood triglyceride concentrations, and at the transcriptional level, the inhibition of SREBP-1c, which upregulates genes responsible for de novo lipogenesis, was additionally observed in this organ. In conclusion, a low and regular consumption of partially defatted poppy seeds may be beneficial in managing obesity-related disorders.
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Affiliation(s)
- Jarosław Koza
- Department of Gastroenterology and Nutrition Disorders, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Ujejskiego 75 Str., 85-168, Bydgoszcz, Poland.
| | - Adam Jurgoński
- Department of Biological Function of Food, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10 Str., 10-748, Olsztyn, Poland.
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Cárdenas-Conejo Y, Narváez-Zapata JA, Carballo-Uicab VM, Aguilar-Espinosa M, Us-Camas R, Escobar-Turriza P, Comai L, Rivera-Madrid R. Gene expression profile during seed development of Bixa orellana accessions varying in bixin pigment. FRONTIERS IN PLANT SCIENCE 2023; 14:1066509. [PMID: 36875614 PMCID: PMC9975726 DOI: 10.3389/fpls.2023.1066509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
Diverse morphological, cellular and physiological changes occur during seed maturation in Bixa orellana when the seed tissues form specialized cell glands that produce reddish latex with high bixin amounts. Transcriptomic profiling during seed development in three B. orellana accessions (P12, N4 and N5) with contrasting morphologic characteristics showed enrichment in pathways of triterpenes, sesquiterpenes, and cuticular wax biosynthesis. WGCNA allows groups of all identified genes in six modules the module turquoise, the largest and highly correlated with the bixin content. The high number of genes in this module suggests a diversification of regulatory mechanisms for bixin accumulation with the genes belonging to isoprene, triterpenes and carotene pathways, being more highly correlated with the bixin content. Analysis of key genes of the mevalonate (MVA) and the 2C-methyl-D-erythritol-4-phosphate (MEP) pathways revealed specific activities of orthologs of BoHMGR, BoFFP, BoDXS, and BoHDR. This suggests that isoprenoid production is necessary for compounds included in the reddish latex of developing seeds. The carotenoid-related genes BoPSY2, BoPDS1 and BoZDS displayed a high correlation with bixin production, consistent with the requirement for carotene precursors for apocarotenoid biosynthesis. The BoCCD gene member (BoCCD4-4) and some BoALDH (ALDH2B7.2 and ALDH3I1) and BoMET (BoSABATH1 and BoSABATH8) gene members were highly correlated to bixin in the final seed development stage. This suggested a contributing role for several genes in apocarotenoid production. The results revealed high genetic complexity in the biosynthesis of reddish latex and bixin in specialized seed cell glands in different accessions of B. orellana suggesting gene expression coordination between both metabolite biosynthesis processes.
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Affiliation(s)
- Yair Cárdenas-Conejo
- Laboratorio de Agrobiotecnología, Consejo Nacional de Ciencia y Tecnología (CONACYT)-Universidad de Colima, Colima, Mexico
| | | | - Víctor Manuel Carballo-Uicab
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Mérida, Yucatán, Mexico
| | - Margarita Aguilar-Espinosa
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Mérida, Yucatán, Mexico
| | - Rosa Us-Camas
- Departamento de Estudios de Posgrado e Investigación, Instituto Tecnológico Superior de Calkiní, en el Estado de Campeche, Calkiní, Campeche, Mexico
| | - Pedro Escobar-Turriza
- Segunda División de Biotecnología Industrial, Centro de Investigación Científica y Asistencia en Tecnología y Diseño del Estado de Jalisco, Zapopan, Jalisco, Mexico
| | - Luca Comai
- Plant Biology and Genome Center, University of California, Davis, Davis, CA, United States
| | - Renata Rivera-Madrid
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Mérida, Yucatán, Mexico
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12
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Böttner L, Malacrinò A, Schulze Gronover C, van Deenen N, Müller B, Xu S, Gershenzon J, Prüfer D, Huber M. Natural rubber reduces herbivory and alters the microbiome below ground. THE NEW PHYTOLOGIST 2023. [PMID: 36597727 DOI: 10.1111/nph.18709] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
Laticifers are hypothesized to mediate both plant-herbivore and plant-microbe interactions. However, there is little evidence for this dual function. We investigated whether the major constituent of natural rubber, cis-1,4-polyisoprene, a phylogenetically widespread and economically important latex polymer, alters plant resistance and the root microbiome of the Russian dandelion (Taraxacum koksaghyz) under attack of a root herbivore, the larva of the May cockchafer (Melolontha melolontha). Rubber-depleted transgenic plants lost more shoot and root biomass upon herbivory than normal rubber content near-isogenic lines. Melolontha melolontha preferred to feed on artificial diet supplemented with rubber-depleted rather than normal rubber content latex. Likewise, adding purified cis-1,4-polyisoprene in ecologically relevant concentrations to diet deterred larval feeding and reduced larval weight gain. Metagenomics and metabarcoding revealed that abolishing biosynthesis of natural rubber alters the structure but not the diversity of the rhizosphere and root microbiota (ecto- and endophytes) and that these changes depended on M. melolontha damage. However, the assumption that rubber reduces microbial colonization or pathogen load is contradicted by four lines of evidence. Taken together, our data demonstrate that natural rubber biosynthesis reduces herbivory and alters the plant microbiota, which highlights the role of plant-specialized metabolites and secretory structures in shaping multitrophic interactions.
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Affiliation(s)
- Laura Böttner
- Institute of Plant Biology and Biotechnology, University of Münster, D-48143, Münster, Germany
- Institute for Evolution and Biodiversity, University of Münster, D-48149, Münster, Germany
- Institute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, D-55128, Mainz, Germany
| | - Antonino Malacrinò
- Institute for Evolution and Biodiversity, University of Münster, D-48149, Münster, Germany
- Department of Agriculture, Università degli Studi Mediterranea di Reggio Calabria, I-89122, Reggio Calabria, Italy
| | - Christian Schulze Gronover
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Schlossplatz 8, D-48143, Münster, Germany
| | - Nicole van Deenen
- Institute of Plant Biology and Biotechnology, University of Münster, D-48143, Münster, Germany
| | - Boje Müller
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Schlossplatz 8, D-48143, Münster, Germany
| | - Shuqing Xu
- Institute for Evolution and Biodiversity, University of Münster, D-48149, Münster, Germany
- Institute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, D-55128, Mainz, Germany
| | - Jonathan Gershenzon
- Department of Biochemistry, Max-Planck Institute for Chemical Ecology, D-07745, Jena, Germany
| | - Dirk Prüfer
- Institute of Plant Biology and Biotechnology, University of Münster, D-48143, Münster, Germany
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Schlossplatz 8, D-48143, Münster, Germany
| | - Meret Huber
- Institute of Plant Biology and Biotechnology, University of Münster, D-48143, Münster, Germany
- Institute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, D-55128, Mainz, Germany
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13
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Mazur O, Bałdysz S, Warowicka A, Nawrot R. Tap the sap - investigation of latex-bearing plants in the search of potential anticancer biopharmaceuticals. FRONTIERS IN PLANT SCIENCE 2022; 13:979678. [PMID: 36388598 PMCID: PMC9664067 DOI: 10.3389/fpls.2022.979678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
Latex-bearing plants have been in the research spotlight for the past couple of decades. Since ancient times their extracts have been used in folk medicine to treat various illnesses. Currently they serve as promising candidates for cancer treatment. Up to date there have been several in vitro and in vivo studies related to the topic of cytotoxicity and anticancer activity of extracts from latex-bearing plants towards various cell types. The number of clinical studies still remains scarce, however, over the years the number is systematically increasing. To the best of our knowledge, the scientific community is still lacking in a recent review summarizing the research on the topic of cytotoxicity and anticancer activity of latex-bearing plant extracts. Therefore, the aim of this paper is to review the current knowledge on in vitro and in vivo studies, which focus on the cytotoxicity and anticancer activities of latex-bearing plants. The vast majority of the studies are in vitro, however, the interest in this topic has resulted in the substantial growth of the number of in vivo studies, leading to a promising number of plant species whose latex can potentially be tested in clinical trials. The paper is divided into sections, each of them focuses on specific latex-bearing plant family representatives and their potential anticancer activity, which in some instances is comparable to that induced by commonly used therapeutics currently available on the market. The cytotoxic effect of the plant's crude latex, its fractions or isolated compounds, is analyzed, along with a study of cell apoptosis, chromatin condensation, DNA damage, changes in gene regulation and morphology changes, which can be observed in cell post plant extract addition. The in vivo studies go beyond the molecular level by showing significant reduction of the tumor growth and volume in animal models. Additionally, we present data regarding plant-mediated biosynthesis of nanoparticles, which is regarded as a new branch in plant latex research. It is solely based on the green-synthesis approach, which presents an interesting alternative to chemical-based nanoparticle synthesis. We have analyzed the cytotoxic effect of these particles on cells. Data regarding the cytotoxicity of such particles raises their potential to be involved in the design of novel cancer therapies, which further underlines the significance of latex-bearing plants in biotechnology. Throughout the course of this review, we concluded that plant latex is a rich source of many compounds, which can be further investigated and applied in the design of anticancer pharmaceuticals. The molecules, to which this cytotoxic effect can be attributed, include alkaloids, flavonoids, tannins, terpenoids, proteases, nucleases and many novel compounds, which still remain to be characterized. They have been studied extensively in both in vitro and in vivo studies, which provide an excellent starting point for their rapid transfer to clinical studies in the near future. The comprehensive study of molecules from latex-bearing plants can result in finding a promising alternative to several pharmaceuticals on the market and help unravel the molecular mode of action of latex-based preparations.
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Affiliation(s)
- Oliwia Mazur
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
| | - Sophia Bałdysz
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
| | - Alicja Warowicka
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
- NanoBioMedical Centre, Adam Mickiewicz University, Poznań, Poland
| | - Robert Nawrot
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
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14
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Jeon MJ, Roy NS, Choi BS, Oh JY, Kim YI, Park HY, Um T, Kim NS, Kim S, Choi IY. Identifying Terpenoid Biosynthesis Genes in Euphorbia maculata via Full-Length cDNA Sequencing. Molecules 2022; 27:molecules27144591. [PMID: 35889464 PMCID: PMC9316252 DOI: 10.3390/molecules27144591] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/18/2022] [Accepted: 07/18/2022] [Indexed: 11/16/2022] Open
Abstract
The annual herb Euphorbia maculata L. produces anti-inflammatory and biologically active substances such as triterpenoids, tannins, and polyphenols, and it is used in traditional Chinese medicine. Of these bioactive compounds, terpenoids, also called isoprenoids, are major secondary metabolites in E. maculata. Full-length cDNA sequencing was carried out to characterize the transcripts of terpenoid biosynthesis reference genes and determine the copy numbers of their isoforms using PacBio SMRT sequencing technology. The Illumina short-read sequencing platform was also employed to identify differentially expressed genes (DEGs) in the secondary metabolite pathways from leaves, roots, and stems. PacBio generated 62 million polymerase reads, resulting in 81,433 high-quality reads. From these high-quality reads, we reconstructed a genome of 20,722 genes, in which 20,246 genes (97.8%) did not have paralogs. About 33% of the identified genes had two or more isoforms. DEG analysis revealed that the expression level differed among gene paralogs in the leaf, stem, and root. Whole sets of paralogs and isoforms were identified in the mevalonic acid (MVA), methylerythritol phosphate (MEP), and terpenoid biosynthesis pathways in the E. maculata L. The nucleotide information will be useful for identifying orthologous genes in other terpenoid-producing medicinal plants.
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Affiliation(s)
- Mi Jin Jeon
- Microorganism Resources Division, National Institute of Biological Resources, Incheon 22689, Korea; (M.J.J.); (J.Y.O.)
| | - Neha Samir Roy
- Agriculture and Life Sciences Research Institute, Kangwon National University, Chuncheon 24341, Korea; (N.S.R.); (T.U.)
| | | | - Ji Yeon Oh
- Microorganism Resources Division, National Institute of Biological Resources, Incheon 22689, Korea; (M.J.J.); (J.Y.O.)
| | - Yong-In Kim
- On Biological Resource Research Institute, Chuncheon 24239, Korea;
| | - Hye Yoon Park
- Biological Resources Assessment Division, National Institute of Biological Resources, Incheon 22689, Korea;
| | - Taeyoung Um
- Agriculture and Life Sciences Research Institute, Kangwon National University, Chuncheon 24341, Korea; (N.S.R.); (T.U.)
| | - Nam-Soo Kim
- BIT Institute, NBIT Co., Ltd., Chuncheon 24341, Korea;
- Correspondence: (N.-S.K.); (S.K.); (I.-Y.C.); Tel.: +82-10-5522-6472 (N.-S.K.); +82-32-590-7110 (S.K.); +82-33-250-7768 (I.-Y.C.)
| | - Soonok Kim
- Microorganism Resources Division, National Institute of Biological Resources, Incheon 22689, Korea; (M.J.J.); (J.Y.O.)
- Correspondence: (N.-S.K.); (S.K.); (I.-Y.C.); Tel.: +82-10-5522-6472 (N.-S.K.); +82-32-590-7110 (S.K.); +82-33-250-7768 (I.-Y.C.)
| | - Ik-Young Choi
- Agriculture and Life Sciences Research Institute, Kangwon National University, Chuncheon 24341, Korea; (N.S.R.); (T.U.)
- BIT Institute, NBIT Co., Ltd., Chuncheon 24341, Korea;
- Department of Agriculture and Life Industry, Kangwon National University, Chuncheon 24341, Korea
- Correspondence: (N.-S.K.); (S.K.); (I.-Y.C.); Tel.: +82-10-5522-6472 (N.-S.K.); +82-32-590-7110 (S.K.); +82-33-250-7768 (I.-Y.C.)
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15
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Junaidi, Nuringtyas TR, Clément-Vidal A, Flori A, Syafaah A, Oktavia F, Ismawanto S, Aji M, Subandiyah S, Montoro P. Analysis of reduced and oxidized antioxidants in Hevea brasiliensis latex reveals new insights into the regulation of antioxidants in response to harvesting stress and tapping panel dryness. Heliyon 2022; 8:e09840. [PMID: 35815130 PMCID: PMC9260451 DOI: 10.1016/j.heliyon.2022.e09840] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/22/2022] [Accepted: 06/22/2022] [Indexed: 11/30/2022] Open
Abstract
Latex diagnosis (LD) is applied to optimize the natural rubber production and prevent tapping panel dryness (TPD), a physiological syndrome affecting latex production in Hevea brasiliensis. The reduced thiol content (RSH) is one of the biochemical parameters associated with the risk of TPD. However, RSH is difficult to interpret because of the influence of the environment. In order to better understand the regulation of antioxidants and to better interpret RSH, a key parameter of LD, this study analysed in latex both oxidised and reduced forms of ascorbic acid (AsA) and glutathione, and their cofactors as well as other latex diagnosis parameters in response to harvesting stress (tapping and ethephon stimulation) and TPD occurrence. The content of antioxidants in latex had a high variability among five rubber clones. The concentration in AsA was about ten times higher than GSH in laticifer, GSH accounting for about 50% of RSH. For short-term harvesting stress, RSH increased with tapping frequency and ethephon stimulation. TPD is associated with high latex viscosity and bursting of lysosomal particles called lutoids, as well as for several rubber clones with lower RSH and GSH contents. These results suggest that a high level of RSH shows the capacity of laticifer metabolism to cope with harvesting stress, while a drop in RSH is the sign of long stress related to lower metabolic activity and TPD occurrence. RSH remains an essential physiological parameter to prevent TPD when associated with reference data under low and high harvesting stress. This study paves the way to understand the role of AsA and GSH, and carry out genetic studies of antioxidants.
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16
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Kutner A, Brown G, Kallay E. Novel Strategies in the Development of New Therapies, Drug Substances, and Drug Carriers Volume I. Int J Mol Sci 2022; 23:ijms23126635. [PMID: 35743075 PMCID: PMC9224470 DOI: 10.3390/ijms23126635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 06/07/2022] [Indexed: 02/05/2023] Open
Affiliation(s)
- Andrzej Kutner
- Department of Bioanalysis and Drug Analysis, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha, 02-097 Warsaw, Poland
- Correspondence:
| | - Geoffrey Brown
- School of Biomedical Sciences, Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, UK;
| | - Enikö Kallay
- Department of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology & Immunology, Medical University of Vienna, Währinger Gürtel 18-20, A-1090 Vienna, Austria;
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17
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Al-Rajhi AMH, Yahya R, Abdelghany TM, Fareid MA, Mohamed AM, Amin BH, Masrahi AS. Anticancer, Anticoagulant, Antioxidant and Antimicrobial Activities of Thevetia peruviana Latex with Molecular Docking of Antimicrobial and Anticancer Activities. Molecules 2022; 27:molecules27103165. [PMID: 35630642 PMCID: PMC9145871 DOI: 10.3390/molecules27103165] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/07/2022] [Accepted: 05/09/2022] [Indexed: 12/13/2022] Open
Abstract
Natural origin molecules represent reliable and excellent sources to overcome some medicinal problems. The study of anticancer, anticoagulant, and antimicrobial activities of Thevetia peruviana latex were the aim of the current research. An investigation using high-performance liquid chromatography (HPLC) revealed that the major content of the flavonoids are rutin (11.45 µg/mL), quersestin (7.15 µg/mL), naringin (5.25 µg/mL), and hisperdin (6.07 µg/mL), while phenolic had chlorogenic (12.39 µg/mL), syringenic (7.45 µg/mL), and ferulic (5.07 µg/mL) acids in latex of T. peruviana. Via 1,1-diphenyl-2- picrylhydrazyl (DPPH) radical scavenging, the experiment demonstrated that latex had a potent antioxidant activity with the IC50 43.9 µg/mL for scavenging DPPH. Hemolysis inhibition was 58.5% at 1000 µg/mL of latex compared with 91.0% at 200 µg/mL of indomethacin as positive control. Negligible anticoagulant properties of latex were reported where the recorded time was 11.9 s of prothrombin time (PT) and 29.2 s of the activated partial thromboplastin time (APTT) at 25 µg/mL, compared with the same concentration of heparin (PT 94.6 s and APPT 117.7 s). The anticancer potential of latex was recorded against PC-3 (97.11% toxicity) and MCF-7 (96.23% toxicity) at 1000 μg/mL with IC50 48.26 μg/mL and 40.31 µg/mL, respectively. Disc diffusion assessment for antimicrobial activity recorded that the most sensitive tested microorganisms to latex were Bacillus subtilis followed by Escherichia coli, with an inhibition zone (IZ) of 31 mm with minimum inhibitory concentration (MIC) (10.2 μg/mL) and 30 mm (MIC, 12.51 μg/mL), respectively. Moreover, Candida albicans was sensitive (IZ, 28 mm) to latex, unlike black fungus (Mucor circinelloides). TEM examination exhibited ultrastructure changes in cell walls and cell membranes of Staphylococcus aureus and Pseudomonas aeruginosa treated with latex. Energy scores of the molecular docking of chlorogenic acid with E. coli DNA (7C7N), and Rutin with human prostate-specific antigen (3QUM) and breast cancer-associated protein (1JNX), result in excellent harmony with the experimental results. The outcome of research recommended that the latex is rich in constituents and considered a promising source that contributes to fighting cancer and pathogenic microorganisms.
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Affiliation(s)
- Aisha M. H. Al-Rajhi
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Reham Yahya
- Medical Microbiology, College of Science and Health Professions, King Saud Bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi Arabia;
- King Abduallah International Medical Research Center, Riyadh 11671, Saudi Arabia
| | - Tarek M. Abdelghany
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo 11751, Egypt;
- Correspondence:
| | - Mohamed A. Fareid
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo 11751, Egypt;
- Basic Science Department, Prep Year Deanship, University of Ha’il, Ha’il 2440, Saudi Arabia
| | - Alawlaqi M. Mohamed
- Biology Department, Faculty of Science, Jazan University, Jazan 45142, Saudi Arabia; (A.M.M.); (A.S.M.)
| | - Basma H. Amin
- The Regional Centre for Mycology and Biotechnology (RCMB), Al-Azhar University, Cairo 11751, Egypt;
| | - Abdurrahman S. Masrahi
- Biology Department, Faculty of Science, Jazan University, Jazan 45142, Saudi Arabia; (A.M.M.); (A.S.M.)
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