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Podder MK, Hossain MM, Kabir SR, Asaduzzaman A, Hasan I. Antimicrobial, antioxidant and antiproliferative activities of a galactose-binding seed lectin from Manilkara zapota. Heliyon 2024; 10:e24592. [PMID: 38312555 PMCID: PMC10835259 DOI: 10.1016/j.heliyon.2024.e24592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 01/01/2024] [Accepted: 01/10/2024] [Indexed: 02/06/2024] Open
Abstract
A seed lectin from Manilkara zapota (MZSL) was purified using ammonium sulphate precipitation and affinity chromatography. Hemagglutination activity, neutral sugar content and physicochemical properties of the lectin were determined and toxicity was checked by brine shrimp toxicity assay. Antimicrobial, antioxidant as well as in vitro anticancer activities of MZSL were also evaluated. Our findings showed the molecular weight of MZSL to be 33.0 ± 1 kDa. Minimum hemagglutination concentration of the lectin was 15.625 μg/ml. With a neutral sugar content of 6.32 %, the lectin was fully active at a temperature range of 30-50 °C and pH 7.0-8.0 and it was mildly toxic with an LC50 value of 107.93 μg/ml. The lectin demonstrated bacteriostatic activity against gram-positive bacteria in contrast to gram-negative bacteria at a concentration of 31.25 μg/ml, agglutinated Staphylococcus aureus and Shigella dysenteriae and exerted fungistatic activity against Aspergillus niger. MZSL dose-dependently reduced the formation of biofilm by E. coli. DPPH assay confirmed its antioxidant activity with an IC50 value of 96.42 μg/ml. MZSL showed 21.64 % growth inhibition against Ehrlich ascites carcinoma (EAC) cells at 80 μg/ml whereas its antiproliferative potential against MCF-7 and A-549 cancer cell lines became evident with IC50 values of 70.66 μg/ml and 107.64 μg/ml, respectively.
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Affiliation(s)
- Munna Kumar Podder
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Md. Mikail Hossain
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Syed Rashel Kabir
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - A.K.M. Asaduzzaman
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Imtiaj Hasan
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
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Silva RRS, Malveira EA, Aguiar TKB, Neto NAS, Roma RR, Santos MHC, Santos ALE, Silva AFB, Freitas CDT, Rocha BAM, Souza PFN, Teixeira CS. DVL, lectin from Dioclea violacea seeds, has multiples mechanisms of action against Candida spp via carbohydrate recognition domain. Chem Biol Interact 2023; 382:110639. [PMID: 37468117 DOI: 10.1016/j.cbi.2023.110639] [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: 05/29/2023] [Revised: 07/09/2023] [Accepted: 07/17/2023] [Indexed: 07/21/2023]
Abstract
Lectins are proteins of non-immunological origin with the ability to bind to carbohydrates reversibly. They emerge as an alternative to conventional antifungals, given the ability to interact with carbohydrates in the fungal cell wall inhibiting fungal growth. The lectin from D. violacea (DVL) already has its activity described as anti-candida in some species. Here, we observed the anti-candida effect of DVL on C. albicans, C. krusei and C. parapsilosis and its multiple mechanisms of action toward the yeasts. Additionally, it was observed that DVL induces membrane and cell wall damage and ROS overproduction. DVL was also able to cause an imbalance in the redox system of the cells, interact with ergosterol, inhibit ergosterol biosynthesis, and induce cytochrome c release from the mitochondrial membrane. These results endorse the potential application of DVL in developing a new antifungal drug to fight back against fungal resistance.
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Affiliation(s)
- Romério R S Silva
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60451-970, CE, Brazil
| | - Ellen A Malveira
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60451-970, CE, Brazil
| | - Tawanny K B Aguiar
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60451-970, CE, Brazil
| | - Nilton A S Neto
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60451-970, CE, Brazil
| | - Renato R Roma
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60451-970, CE, Brazil
| | - Maria H C Santos
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60451-970, CE, Brazil
| | - Ana L E Santos
- Medical School, Federal University of Cariri, Barbalha, Ceará, Brazil
| | - Ayrles F B Silva
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60451-970, CE, Brazil
| | - Cleverson D T Freitas
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60451-970, CE, Brazil
| | - Bruno A M Rocha
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60451-970, CE, Brazil
| | - Pedro F N Souza
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60451-970, CE, Brazil; Drug Research and Development Center, Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, 60430-275, CE, Brazil.
| | - Claudener S Teixeira
- Center for Agricultural Sciences and Biodiversity, Federal University of Cariri, Crato, 63130-025, Brazil.
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3
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Baky MH, Elsaid MB, Farag MA. Phytochemical and biological diversity of triterpenoid saponins from family Sapotaceae: A comprehensive review. PHYTOCHEMISTRY 2022; 202:113345. [PMID: 35952770 DOI: 10.1016/j.phytochem.2022.113345] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 06/15/2023]
Abstract
Sapotaceae is a flowering plants family reported for its richness in triterpenoid saponins. Sapotaceae comprises a large number of fruit-producing plants of nutritional and medicinal value. Different species of family Sapotaceae received a considerable interest owing to their rich triterpenoid saponins content of a myriad pharmacological effects and health benefits. Several databases were searched for collecting papers for this review in the scope of phytochemistry, bioactivity and record of triterpenoid saponins from family Sapotacese such as PubMed, Google Scholar, Web of Science, Scopus and Reaxys from 1990 till now. Triterpenoid saponins reported from Sapotaceae plants are mostly of protobassic acid, 16-α-hydroxyprotobassic acid, bayogenin, and oleanolic acid derivatives with both monodesmosidic and/or bidesmosidic attached sugar side chains. Besides, the most frequently attached sugar units are glucose, glucoronic acid, apiose, xylose, rhamnose, and arabinose. The reported health effects of Sapotaceae plants in folk medicine in relation to their bioactive saponins were also reviewed with special attention to anti-inflammatory, antiulcer activity, antimicrobial activity, cytotoxic, anti-hypercholesterolemic, antioxidant, and immunomodulatory activities. This review aims to present a holistic compile on the phytochemical and biological diversity of triterpenoid saponins reported from family Sapotaceae with future perspectives.
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Affiliation(s)
- Mostafa H Baky
- Pharmacognosy Department, College of Pharmacy, Egyptian Russian University, Badr City, 11829, Cairo, Egypt.
| | - Mostafa B Elsaid
- Pharmacognosy Department, College of Pharmacy, Egyptian Russian University, Badr City, 11829, Cairo, Egypt
| | - Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr El Aini St., P.B. 11562, Cairo, Egypt
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Konozy EHE, Osman MEFM, Dirar AI, Ghartey-Kwansah G. Plant lectins: A new antimicrobial frontier. Biomed Pharmacother 2022; 155:113735. [PMID: 36152414 DOI: 10.1016/j.biopha.2022.113735] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/19/2022] [Accepted: 09/19/2022] [Indexed: 11/02/2022] Open
Abstract
Pathogenic bacteria, viruses, fungi, parasites, and other microbes constantly change to ensure survival. Several pathogens have adopted strict and intricate strategies to fight medical treatments. Many drugs, frequently prescribed to treat these pathogens, are becoming obsolete and ineffective. Because pathogens have gained the capacity to tolerate or resist medications targeted at them, hence the term antimicrobial resistance (AMR), in that regard, many natural compounds have been routinely used as new antimicrobial agents to treat infections. Thus, plant lectins, the carbohydrate-binding proteins, have been targeted as promising drug candidates. This article reviewed more than 150 published papers on plant lectins with promising antibacterial and antifungal properties. We have also demonstrated how some plant lectins could express a synergistic action as adjuvants to boost the efficacy of obsolete or abandoned antimicrobial drugs. Emphasis has also been given to their plausible mechanism of action. The study further reports on the immunomodulatory effect of plant lectins and how they boost the immune system to curb or prevent infection.
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Affiliation(s)
| | | | - Amina I Dirar
- Medicinal, Aromatic Plants and Traditional Medicine Research Institute (MAPTRI), National Center for Research, Mek Nimr Street, Khartoum, Sudan.
| | - George Ghartey-Kwansah
- Department of Biomedical Sciences, School of Allied Health Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana.
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Determination of Kinetic and Phenomenological Models to Describe the Guapeva Drying Process in a Tunnel Type Dryer by Using Differential Evolution. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2022. [DOI: 10.1007/s13369-021-05582-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Abstract
Lectins are widely distributed proteins having ability of binding selectively and reversibly with carbohydrates moieties and glycoconjugates. Although lectins have been reported from different biological sources, the legume lectins are the best-characterized family of plant lectins. Legume lectins are a large family of homologous proteins with considerable similarity in amino acid sequence and their tertiary structures. Despite having strong sequence conservation, these lectins show remarkable variability in carbohydrate specificity and quaternary structures. The ability of legume lectins in recognizing glycans and glycoconjugates on cells and other intracellular structures make them a valuable research tool in glycomic research. Due to variability in binding with glycans, glycoconjugates and multiple biological functions, legume lectins are the subject of intense research for their diverse application in different fields such as glycobiology, biomedical research and crop improvement. The present review specially focuses on structural and functional characteristics of legume lectins along with their potential areas of application.
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Affiliation(s)
- Rajan Katoch
- Biochemistry Laboratory, Department of Genetics and Plant Breeding, CSKHPKV, Palampur, 176 062 India
| | - Ankur Tripathi
- Biochemistry Laboratory, Department of Genetics and Plant Breeding, CSKHPKV, Palampur, 176 062 India
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Parthiban E, Arokiyaraj C, Janarthanan S, Ramanibai R. Purification, characterization of mosquito larvicidal lectin from Annona muricata and its eco-toxic effect on non-target organism. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.09.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Mishra A, Behura A, Mawatwal S, Kumar A, Naik L, Mohanty SS, Manna D, Dokania P, Mishra A, Patra SK, Dhiman R. Structure-function and application of plant lectins in disease biology and immunity. Food Chem Toxicol 2019; 134:110827. [PMID: 31542433 PMCID: PMC7115788 DOI: 10.1016/j.fct.2019.110827] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 08/28/2019] [Accepted: 09/17/2019] [Indexed: 02/06/2023]
Abstract
Lectins are proteins with a high degree of stereospecificity to recognize various sugar structures and form reversible linkages upon interaction with glyco-conjugate complexes. These are abundantly found in plants, animals and many other species and are known to agglutinate various blood groups of erythrocytes. Further, due to the unique carbohydrate recognition property, lectins have been extensively used in many biological functions that make use of protein-carbohydrate recognition like detection, isolation and characterization of glycoconjugates, histochemistry of cells and tissues, tumor cell recognition and many more. In this review, we have summarized the immunomodulatory effects of plant lectins and their effects against diseases, including antimicrobial action. We found that many plant lectins mediate its microbicidal activity by triggering host immune responses that result in the release of several cytokines followed by activation of effector mechanism. Moreover, certain lectins also enhance the phagocytic activity of macrophages during microbial infections. Lectins along with heat killed microbes can act as vaccine to provide long term protection from deadly microbes. Hence, lectin based therapy can be used as a better substitute to fight microbial diseases efficiently in future.
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Affiliation(s)
- Abtar Mishra
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India
| | - Assirbad Behura
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India
| | - Shradha Mawatwal
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India
| | - Ashish Kumar
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India
| | - Lincoln Naik
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India
| | - Subhashree Subhasmita Mohanty
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India
| | - Debraj Manna
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India
| | - Puja Dokania
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India
| | - Amit Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Rajasthan, 342011, India
| | - Samir K Patra
- Epigenetics and Cancer Research Laboratory, Biochemistry and Molecular Biology Group, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India.
| | - Rohan Dhiman
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India.
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da Silva JDF, da Silva SP, da Silva PM, Vieira AM, de Araújo LCC, de Albuquerque Lima T, de Oliveira APS, do Nascimento Carvalho LV, da Rocha Pitta MG, de Melo Rêgo MJB, Pinheiro IO, Zingali RB, do Socorro de Mendonça Cavalcanti M, Napoleão TH, Paiva PMG. Portulaca elatior root contains a trehalose-binding lectin with antibacterial and antifungal activities. Int J Biol Macromol 2018; 126:291-297. [PMID: 30583005 DOI: 10.1016/j.ijbiomac.2018.12.188] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 12/20/2018] [Accepted: 12/21/2018] [Indexed: 10/27/2022]
Abstract
Lectins are carbohydrate-binding proteins broadly distributed in plants and have several biological functions, including antimicrobial action. Portulaca elatior is a Caatinga plant whose chemical composition and biotechnological potential have not been extensively studied. In this work, a lectin was isolated from P. elatior root extract and evaluated for antimicrobial activity. The P. elatior root lectin (PeRoL) showed native molecular mass of 33 kDa, pI 3.8 and is comprised of two subunits of 15 kDa linked by disulfide bonds. No sequence similarities with Viridiplantae proteins were observed. The PeRoL hemagglutinating activity (HA) was not affected by heating and was detected in a pH ranging from 4.0 to 8.0. Trehalose was identified as an endogenous inhibitor of PeRoL present in the roots. Bacteriostatic activity was detected against Enterococcus faecalis, Pseudomonas aeruginosa and Staphylococcus aureus (minimal inhibitory concentration of 8.1, 32.5 and 4.06 μg/mL, respectively). PeRoL induced the death of Candida albicans, Candida parapsilosis, Candida krusei, and Candida tropicalis cells, with a minimal fungicidal concentration of 16 μg/mL. The lectin (100 μg/mL) was not cytotoxic to human peripheral blood mononuclear cells (PBMCs) and did not show hemolytic activity. In conclusion, the roots of P. elatior contain a trehalose-binding, thermostable, and antimicrobial lectin.
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Affiliation(s)
| | - Suéllen Pedrosa da Silva
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Pollyanna Michelle da Silva
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Amanda Mota Vieira
- Instituto de Ciências Biológicas, Universidade de Pernambuco, Recife, Pernambuco, Brazil
| | | | - Thâmarah de Albuquerque Lima
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | | | | | - Maira Galdino da Rocha Pitta
- Departamento de Inovação Terapêutica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | | | | | - Russolina Benedeta Zingali
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Thiago Henrique Napoleão
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil.
| | - Patrícia Maria Guedes Paiva
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil.
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Batista PF, Costa AC, Megguer CA, Lima JS, Silva FB, Guimarães DS, Almeida GM, Nascimento KJT. Pouteria torta: a native species of the Brazilian Cerrado as a bioindicator of glyphosate action. BRAZ J BIOL 2018; 78:296-305. [PMID: 29069161 DOI: 10.1590/1519-6984.07416] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Accepted: 10/09/2016] [Indexed: 03/05/2023] Open
Abstract
In Brazil, the expansion of agricultural activity and the associated indiscriminate use of herbicides such as glyphosate is directly related to the loss of biodiversity in the Cerrado. The identification of plant species as bioindicators of herbicide action, especially species native to the area, can help in monitoring the impacts of xenobiotics in the remaining Cerrado. Thus, this study was designed to evaluate the possible use of the native Cerrado species Pouteria torta as a bioindicator of glyphosate action via changes in physiological performance. At 16 months after sowing, the effect of glyphosate was evaluated by applying the following doses: 0 (control), 25, 50, 100, 200, 400, 800, and 1200 g a.e. ha-1. In response to glyphosate, P. torta exhibited reductions in photosynthesis and chloroplastid pigment content, as well as accumulation of shikimic acid and the occurrence of chlorosis and necrosis. These changes demonstrate the high sensitivity of P. torta to glyphosate and its potential for use as a bioindicator of this herbicide.
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Affiliation(s)
- P F Batista
- Laboratory of Ecophysiology and Plant Productivity, Department of Agronomy, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, CEP 75901-970, Rio Verde, GO, Brazil
| | - A C Costa
- Laboratory of Ecophysiology and Plant Productivity, Department of Agronomy, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, CEP 75901-970, Rio Verde, GO, Brazil
| | - C A Megguer
- Plant Physiology Laboratory, Department of Agronomy, Instituto Federal Goiano - IF Goiano, Campus Morrinhos, Morrinhos, CEP 75650-000, GO, Brazil
| | - J S Lima
- Laboratory of Ecophysiology and Plant Productivity, Department of Agronomy, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, CEP 75901-970, Rio Verde, GO, Brazil
| | - F B Silva
- Laboratory of Ecophysiology and Plant Productivity, Department of Agronomy, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, CEP 75901-970, Rio Verde, GO, Brazil
| | - D S Guimarães
- Laboratory of Ecophysiology and Plant Productivity, Department of Agronomy, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, CEP 75901-970, Rio Verde, GO, Brazil
| | - G M Almeida
- Laboratory of Ecophysiology and Plant Productivity, Department of Agronomy, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, CEP 75901-970, Rio Verde, GO, Brazil
| | - K J T Nascimento
- Laboratory of Ecophysiology and Plant Productivity, Department of Agronomy, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, CEP 75901-970, Rio Verde, GO, Brazil
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Gautam AK, Gupta N, Narvekar DT, Bhadkariya R, Bhagyawant SS. Characterization of chickpea ( Cicer arietinum L.) lectin for biological activity. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2018; 24:389-397. [PMID: 29692547 PMCID: PMC5911256 DOI: 10.1007/s12298-018-0508-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 12/30/2017] [Accepted: 01/15/2018] [Indexed: 05/21/2023]
Abstract
Lectins are proteins that are subject of intense investigations. Information on lectin from chickpea (Cicer arietinum L.) with respect to its biological activities are very limited. In this study, we purified lectin from the seeds of chickpea employing DEAE-cellulose and SP-Sephadex ion exchange chromatography and identified its molecular subunit mass as 35 kDa. The free radical scavenging activity of lectin measured by the DPPH assay has IC50 of 0.88 µg/mL. Lectin exerted antifungal activity against Candida krusei, Fusarium oxysporium oxysporium, Saccharomyces cerevisiae and Candida albicans, while antibacterial activity against E. coli, B. subtilis, S. marcescens and P. aeruginosa. The minimum inhibitory concentrations were 200, 240, 160 and 140 µg for C. krusei, F. oxysporium, S. cerevisiae and C. albicans respectively. Lectin was further examined for its antiproliferative potential against cancerous cell line. The cell viability assay indicated a high inhibition activity on Ishikawa, HepG2, MCF-7 and MDA-MB-231 with IC50 value of 46.67, 44.20, 53.58 and 37.46 µg/mL respectively. These results can provide a background for future research into the benefits of chickpea lectin to pharmacological perspective.
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Affiliation(s)
- Ajay Kumar Gautam
- School of Studies in Biotechnology, Jiwaji University, Gwalior, M.P. 474011 India
| | - Neha Gupta
- School of Studies in Biotechnology, Jiwaji University, Gwalior, M.P. 474011 India
| | - Dakshita T. Narvekar
- School of Studies in Biotechnology, Jiwaji University, Gwalior, M.P. 474011 India
| | - Rajni Bhadkariya
- School of Studies in Biotechnology, Jiwaji University, Gwalior, M.P. 474011 India
| | - Sameer S. Bhagyawant
- School of Studies in Biotechnology, Jiwaji University, Gwalior, M.P. 474011 India
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Legume Lectins: Proteins with Diverse Applications. Int J Mol Sci 2017; 18:ijms18061242. [PMID: 28604616 PMCID: PMC5486065 DOI: 10.3390/ijms18061242] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 06/01/2017] [Accepted: 06/05/2017] [Indexed: 12/26/2022] Open
Abstract
Lectins are a diverse class of proteins distributed extensively in nature. Among these proteins; legume lectins display a variety of interesting features including antimicrobial; insecticidal and antitumor activities. Because lectins recognize and bind to specific glycoconjugates present on the surface of cells and intracellular structures; they can serve as potential target molecules for developing practical applications in the fields of food; agriculture; health and pharmaceutical research. This review presents the current knowledge of the main structural characteristics of legume lectins and the relationship of structure to the exhibited specificities; provides an overview of their particular antimicrobial; insecticidal and antitumor biological activities and describes possible applications based on the pattern of recognized glyco-targets.
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Correia AF, Silveira D, Fonseca-Bazzo YM, Magalhães PO, Fagg CW, da Silva EC, Gomes SM, Gandolfi L, Pratesi R, de Medeiros Nóbrega YK. Activity of crude extracts from Brazilian cerrado plants against clinically relevant Candida species. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 16:203. [PMID: 27401815 PMCID: PMC4940766 DOI: 10.1186/s12906-016-1164-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 06/15/2016] [Indexed: 01/07/2023]
Abstract
Background Medicinal plants have traditionally been used in many parts of the world as alternative medicine. Many extracts and essential oils isolated from plants have disclosed biological activity, justifying the investigation of their potential antimicrobial activity. In this study, the in vitro antifungal activity of six Brazilian Cerrado medicinal plant species were evaluated against clinically relevant Candida species. Methods The crude extract plants were evaluated against American Type Culture Collection (ATCC) standard strains of Candida spp. using disk diffusion method and determining the minimum inhibitory concentration (MIC). The chemical study results were confirmed by HPLC method. Results All six plant species showed antifungal activity. Among the species studied, Eugenia dysenterica and Pouteria ramiflora showed significant inhibitory activity against C. tropicalis at lowest MIC value of 125 and 500 μg/disc, respectively. The Eugenia dysenterica also disclosed MIC value of 125 μg/disc against C. famata, 250 μg/disc against C. krusei and 500 μg/disc against C. guilliermondii and C. parapsilosis. Pouteria torta, Bauhinia rufa, Erythroxylum daphnites and Erythroxylum subrotundum showed activity against the yeast strains with MIC value of 1000 μg/disc. The chemical study of the most bioactive extracts of Eugenia dysenterica and Pouteria ramiflora revealed catechin derivatives and flavonoids as main components. Conclusions All six evaluated plant species showed good antifungal potential against several Candida strains. However, E .dysenterica and P. ramiflora showed the higher inhibitory effect against the non-albicans Candida species. Our results may contribute to the continuing search of new natural occurring products with antifungal activity.
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Shanmugavel S, Velayutham V, Kamalanathan T, Periasamy M, Munusamy A, Sundaram J. Isolation and analysis of mannose/trehalose/maltose specific lectin from jack bean with antibruchid activity. Int J Biol Macromol 2016; 91:1-14. [PMID: 27238584 DOI: 10.1016/j.ijbiomac.2016.05.093] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 05/23/2016] [Accepted: 05/26/2016] [Indexed: 02/02/2023]
Abstract
A lectin with insecticidal property against the stored product pest, Callosobruchus maculatus was successfully isolated from the seeds of Canavalia virosa using standard affinity chromatography. The isolated molecule typically behaved like a lectin in its characteristics. It agglutinated indicator red blood cells (RBC) in its native as well as enzyme treated conditions. The enzyme treated RBC types exhibited a very high hemagglutination (HA) titre values and this property of isolated molecule behaved like arcelin, the lectin-like molecules reported from several species of Phaseolus. As a characteristic feature of a lectin, the isolated molecule effectively inhibited the agglutination of indicator RBC types with simple and complex carbohydrates including glycoproteins. This nature of the isolated molecule also relate with characteristic feature of arcelin isoforms in inhibiting HA activity with complex glycoproteins as reported in many studies. Most interestingly, the present study disclosed trehalose as a potent inhibitor of C. virosa lectin. Therefore, feeding insect pests on the lectin like arcelin could serve as antibiosis factor/anti-insect activity. The molecular characteristics of this isolated molecule and its mass studies too revealed its homology with arcelin, arcelin-1, 2 and 6 isoforms of P. vulgaris and lectin from Canavalia cathartica, C. lineata and C. brasiliensis.
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Affiliation(s)
| | - Veeramani Velayutham
- Department of Zoology, University of Madras, Guindy Campus, Chennai, 600025, India
| | | | | | - Arumugam Munusamy
- Department of Zoology, University of Madras, Guindy Campus, Chennai, 600025, India
| | - Janarthanan Sundaram
- Department of Zoology, University of Madras, Guindy Campus, Chennai, 600025, India.
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Dutok CMS, Berenguer-Rivas CA, Rodríguez-Leblanch E, Pérez-Jackson L, Chil-Nuñez I, Escalona-Arranz JC, Reyes-Tur B, Queiroz MMC. Acute Toxicity and Dermal and Eye Irritation of the Aqueous and Hydroalcoholic Extracts of the Seeds of "Zapote" Pouteria mammosa (L.) Cronquist. ScientificWorldJournal 2015; 2015:642906. [PMID: 26273696 PMCID: PMC4529971 DOI: 10.1155/2015/642906] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 06/29/2015] [Indexed: 11/17/2022] Open
Abstract
The common use of Pouteria mammosa (L.) Cronquist, "Mamey or Zapote," in food and ethnobotanic medicine shows its low or absent toxicity as fruit extracts prepared from seeds. However, it is essential to conduct security trials to scientifically support their use in drug therapy. This study evaluated the aqueous and hydroalcoholic extract (25%) Acute Oral Toxicity, obtained from the seeds of P. mammosa, in Sprague Dawley rats and dermal and eye irritability in New Zealand rabbits. The 404 and 405 acute dermal and eye irritation/corrosion guidelines were used, as well as the 423 Acute Oral Toxicity guideline, Acute Toxic Class Method of the Organization for Economic Cooperation and Development (OECD). The aqueous extract was located in the following category: not classified as toxic (CTA 5), while hydroalcoholic extract at 25% was classified as dangerous (CTA 4). Both extracts can be used without side reaction that irritates the skin which permitted classification as potentially not irritant. P. mammosa in the two extracts caused mild and reversible eye irritation, and it was classified as slightly irritating.
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Affiliation(s)
- Carlos M. S. Dutok
- Laboratório de Entomologia Médica e Forense, Instituto Oswaldo Cruz-Fundação Oswaldo Cruz (IOC/FIOCRUZ), Avenida Brasil, 4365 Pavilhão Herman Lent, Sala 14, Térreo, Manguinhos, 21040-900 Rio de Janeiro, RJ, Brazil
- Programa de Pós-Graduação em Biodiversidade e Saúde, Bolsista com Financiamento CAPES/MES-Cuba Projeto 130/11, Instituto Oswaldo Cruz-Fundação Oswaldo Cruz (IOC/FIOCRUZ), Avenida Brasil 4365, Secretaria Académica, Pavilhão Arthur Neiva, Manguinhos, 21040-900 Rio de Janeiro, RJ, Brazil
- Departamento de Farmacia, Facultad de Ciencias Naturales, Universidad de Oriente, Patricio Lumumba y Avenida de Las Américas, 90500 Santiago de Cuba, Cuba
| | - Clara Azalea Berenguer-Rivas
- Centro de Toxicología y Biomedicina, Universidad de Ciencias Médicas de Santiago de Cuba, Autopista Nacional Km. 1.5, Apartado 4033, 90400 Santiago de Cuba, Cuba
| | - Elizabeth Rodríguez-Leblanch
- Centro de Toxicología y Biomedicina, Universidad de Ciencias Médicas de Santiago de Cuba, Autopista Nacional Km. 1.5, Apartado 4033, 90400 Santiago de Cuba, Cuba
| | - Liliana Pérez-Jackson
- Centro de Toxicología y Biomedicina, Universidad de Ciencias Médicas de Santiago de Cuba, Autopista Nacional Km. 1.5, Apartado 4033, 90400 Santiago de Cuba, Cuba
| | - Idelsy Chil-Nuñez
- Laboratório de Entomologia Médica e Forense, Instituto Oswaldo Cruz-Fundação Oswaldo Cruz (IOC/FIOCRUZ), Avenida Brasil, 4365 Pavilhão Herman Lent, Sala 14, Térreo, Manguinhos, 21040-900 Rio de Janeiro, RJ, Brazil
- Programa de Pós-Graduação em Biodiversidade e Saúde, Bolsista com Financiamento CAPES/MES-Cuba Projeto 130/11, Instituto Oswaldo Cruz-Fundação Oswaldo Cruz (IOC/FIOCRUZ), Avenida Brasil 4365, Secretaria Académica, Pavilhão Arthur Neiva, Manguinhos, 21040-900 Rio de Janeiro, RJ, Brazil
- Departamento de Farmacia, Facultad de Ciencias Naturales, Universidad de Oriente, Patricio Lumumba y Avenida de Las Américas, 90500 Santiago de Cuba, Cuba
| | - Julio César Escalona-Arranz
- Departamento de Farmacia, Facultad de Ciencias Naturales, Universidad de Oriente, Patricio Lumumba y Avenida de Las Américas, 90500 Santiago de Cuba, Cuba
| | - Bernardo Reyes-Tur
- Departamento de Biología, Facultad de Ciencias Naturales, Universidad de Oriente, Patricio Lumumba y Avenida de Las Américas, 90500 Santiago de Cuba, Cuba
| | - Margareth M. C. Queiroz
- Laboratório de Entomologia Médica e Forense, Instituto Oswaldo Cruz-Fundação Oswaldo Cruz (IOC/FIOCRUZ), Avenida Brasil, 4365 Pavilhão Herman Lent, Sala 14, Térreo, Manguinhos, 21040-900 Rio de Janeiro, RJ, Brazil
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16
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dos Santos RFEP, Silva Silva ISDM, Hendges EA, da Silva ALL, Barbosa AM, Santos KS, de Souza RR, Lins TH, Sales Verissimo RCS, Padilha FF, Campesatto EA, Assis Bastos MLD. Evaluation of antimicrobial potential and cytotoxic of Pouteria venosa species. BMC Proc 2014. [PMCID: PMC4204358 DOI: 10.1186/1753-6561-8-s4-p6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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17
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Costa DL, Rinaldo D, Varanda EA, de Sousa JF, Nasser AL, Silva AC, Baldoqui DC, Vilegas W, dos Santos LC. Flavonoid detection in hydroethanolic extract of Pouteria torta (Sapotaceae) leaves by HPLC-DAD and the determination of its mutagenic activity. J Med Food 2014; 17:1103-12. [PMID: 25055245 PMCID: PMC4185986 DOI: 10.1089/jmf.2013.0116] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Accepted: 05/14/2014] [Indexed: 11/12/2022] Open
Abstract
It is well known that phytotherapy has grown in popularity in recent years. Because a drug cannot be administered without ensuring its effectiveness and safety, the standardization and regulation of phytotherapeutic drugs are required by the global market and governmental authorities. This article describes a simple and reliable high-performance liquid chromatography-diode array detection analysis method for the simultaneous detection of myricetin-3-O-β-D-galactopyranoside, myricetin-3-O-α-L-arabinopyranoside, and myricetin-3-O-α-L-rhaminopyranoside present in the hydroethanolic extract (ethanol/H2O, 7:3, v/v) of Pouteria torta. The mutagenic activity of the extract was evaluated on Salmonella typhimurium and by an in vivo micronucleus test on the peripheral blood cells of Swiss mice. The linearity, sensitivity, selectivity, repeatability, accuracy, and precision of the assay were evaluated. The analytical curves were linear and exhibited good repeatability (with a deviation of less than 5%) and demonstrated good recovery (within the 83-107% range). The results demonstrate that the hydroethanolic extract exhibited a mutagenic activity in both assays, suggesting caution in the use of this plant in folk medicine.
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Affiliation(s)
- Daryne L.M.G. Costa
- Organic Chemistry Department, Institute of Chemistry, UNESP, São Paulo State University, Araraquara, São Paulo, Brazil
- IFMT, Mato Grosso Federal Institute, Cuiaba, Mato Grosso, Brazil
| | - Daniel Rinaldo
- Chemistry Department, Faculty of Sciences, UNESP, São Paulo State University, Bauru, São Paulo, Brazil
| | - Eliana A. Varanda
- Department of Biological Sciences, Faculty of Pharmaceutical Sciences, UNESP, São Paulo State University, Araraquara, São Paulo, Brazil
| | - Juliana F. de Sousa
- Department of Biological Sciences, Faculty of Pharmaceutical Sciences, UNESP, São Paulo State University, Araraquara, São Paulo, Brazil
| | - Ana L.M. Nasser
- Department of Biological Sciences, Faculty of Pharmaceutical Sciences, UNESP, São Paulo State University, Araraquara, São Paulo, Brazil
| | - Ana C.Z. Silva
- Organic Chemistry Department, Institute of Chemistry, UNESP, São Paulo State University, Araraquara, São Paulo, Brazil
| | - Débora C. Baldoqui
- Chemistry Department, UEM, State University of Maringa, Maringa, Parana, Brazil
| | - Wagner Vilegas
- UNESP, São Paulo State University, São Vicente, São Paulo, Brazil
| | - Lourdes Campaner dos Santos
- Organic Chemistry Department, Institute of Chemistry, UNESP, São Paulo State University, Araraquara, São Paulo, Brazil
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18
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Sen T, Samanta SK. Medicinal plants, human health and biodiversity: a broad review. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2014; 147:59-110. [PMID: 25001990 DOI: 10.1007/10_2014_273] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Biodiversity contributes significantly towards human livelihood and development and thus plays a predominant role in the well being of the global population. According to WHO reports, around 80 % of the global population still relies on botanical drugs; today several medicines owe their origin to medicinal plants. Natural substances have long served as sources of therapeutic drugs, where drugs including digitalis (from foxglove), ergotamine (from contaminated rye), quinine (from cinchona), and salicylates (willow bark) can be cited as some classical examples.Drug discovery from natural sources involve a multifaceted approach combining botanical, phytochemical, biological, and molecular techniques. Accordingly, medicinal-plant-based drug discovery still remains an important area, hitherto unexplored, where a systematic search may definitely provide important leads against various pharmacological targets.Ironically, the potential benefits of plant-based medicines have led to unscientific exploitation of the natural resources, a phenomenon that is being observed globally. This decline in biodiversity is largely the result of the rise in the global population, rapid and sometimes unplanned industrialization, indiscriminate deforestation, overexploitation of natural resources, pollution, and finally global climate change.Therefore, it is of utmost importance that plant biodiversity be preserved, to provide future structural diversity and lead compounds for the sustainable development of human civilization at large. This becomes even more important for developing nations, where well-planned bioprospecting coupled with nondestructive commercialization could help in the conservation of biodiversity, ultimately benefiting mankind in the long run.Based on these findings, the present review is an attempt to update our knowledge about the diverse therapeutic application of different plant products against various pharmacological targets including cancer, human brain, cardiovascular function, microbial infection, inflammation, pain, and many more.
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Affiliation(s)
- Tuhinadri Sen
- Department of Pharmaceutical Technology and School of Natural Product Studies, Jadavpur University, Kolkata, 700032, India,
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19
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Gomes FS, Procópio TF, Napoleão TH, Coelho LCBB, Paiva PMG. Antimicrobial lectin from Schinus terebinthifolius leaf. J Appl Microbiol 2012. [PMID: 23190078 DOI: 10.1111/jam.12086] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
AIMS Schinus terebinthifolius leaves are used for treating human diseases caused by micro-organisms. This work reports the isolation, characterization and antimicrobial activity of S. terebinthifolius leaf lectin (SteLL). METHODS AND RESULTS The isolation procedure involved protein extraction with 0.15 mol l(-1) NaCl, filtration through activated charcoal and chromatography of the filtrate on a chitin column. SteLL is a 14-kDa glycopeptide with haemagglutinating activity that is inhibited by N-acetyl-glucosamine, not affected by ions (Ca(2+) and Mg(2+)) and stable upon heating (30-100 °C) as well as over the pH 5.0-8.0. The antimicrobial effect of SteLL was evaluated by determining the minimal inhibitory (MIC), bactericide (MBC) and fungicide (MFC) concentrations. Lectin was active against Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa, Salmonella enteritidis and Staphylococcus aureus. Highest bacteriostatic and bactericide effects were detected for Salm. enteritidis (MIC: 0.45 μg ml(-1)) and Staph. aureus (MBC: 7.18 μg ml(-1)), respectively. SteLL impaired the growth (MIC: 6.5 μg ml(-1)) and survival (MFC: 26 μg ml(-1)) of Candida albicans. CONCLUSIONS SteLL, a chitin-binding lectin, purified in milligram quantities, showed antimicrobial activity against medically important bacteria and fungi. SIGNIFICANCE AND IMPACT OF THE STUDY SteLL can be considered as a new biomaterial for potential antimicrobial applications.
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Affiliation(s)
- F S Gomes
- Departamento de Bioquímica, CCB, Universidade Federal de Pernambuco, Recife, Brazil
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20
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Assessment of plant lectin antifungal potential against yeasts of major importance in medical mycology. Mycopathologia 2012; 175:147-51. [PMID: 23161017 DOI: 10.1007/s11046-012-9596-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Accepted: 10/24/2012] [Indexed: 11/25/2022]
Abstract
The search for new compounds with antifungal activity is accelerating due to rising yeast and fungal resistance to commonly prescribed drugs. Among the molecules being investigated, plant lectins can be highlighted. The present work shows the potential of six plant lectins which were tested in vitro against yeasts of medical importance, Candida albicans, Candida tropicalis, Candida parapsilosis, Cryptococcus gattii, Cryptococcus neoformans, Malassezia pachydermatis, Rhodotorula sp. and Trichosporon sp. Broth microdilution susceptibility testing was performed in accordance with standard protocols to evaluate antifungal activity. Minimum inhibitory concentration (MIC) was determined at 80% yeast growth inhibition, whereas the minimum fungicidal concentration (MFC) was evaluated after making the subcultures of each dilution. Only C. parapsilosis growth was inhibited by the lectins tested. Abelmoschus esculentus lectin showed the highest MIC (0.97 μg ml(-1)). Lectins from Canavalia brasiliensis, Mucuna pruriens and Clitoria fairchildiana presented the highest MFC at (3.90 μg ml(-1)). These results encourage further studies with wider yeast strain selections, and open new perspectives for the development of pharmacological molecules.
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21
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Lam SK, Ng TB. Lectins: production and practical applications. Appl Microbiol Biotechnol 2010; 89:45-55. [PMID: 20890754 PMCID: PMC3016214 DOI: 10.1007/s00253-010-2892-9] [Citation(s) in RCA: 172] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2010] [Revised: 09/12/2010] [Accepted: 09/12/2010] [Indexed: 11/26/2022]
Abstract
Lectins are proteins found in a diversity of organisms. They possess the ability to agglutinate erythrocytes with known carbohydrate specificity since they have at least one non-catalytic domain that binds reversibly to specific monosaccharides or oligosaccharides. This articles aims to review the production and practical applications of lectins. Lectins are isolated from their natural sources by chromatographic procedures or produced by recombinant DNA technology. The yields of animal lectins are usually low compared with the yields of plant lectins such as legume lectins. Lectins manifest a diversity of activities including antitumor, immunomodulatory, antifungal, HIV-1 reverse transcriptase inhibitory, and anti-insect activities, which may find practical applications. A small number of lectins demonstrate antibacterial and anti-nematode activities.
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Affiliation(s)
- Sze Kwan Lam
- Division of Respiratory Medicine, Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Tzi Bun Ng
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
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22
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Wong JH, Ng TB, Cheung RCF, Ye XJ, Wang HX, Lam SK, Lin P, Chan YS, Fang EF, Ngai PHK, Xia LX, Ye XY, Jiang Y, Liu F. Proteins with antifungal properties and other medicinal applications from plants and mushrooms. Appl Microbiol Biotechnol 2010; 87:1221-35. [DOI: 10.1007/s00253-010-2690-4] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2010] [Revised: 05/17/2010] [Accepted: 05/17/2010] [Indexed: 10/19/2022]
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23
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Ohizumi Y, Gaidamashvili M, Ohwada S, Matsuda K, Kominami J, Nakamura-Tsuruta S, Hirabayashi J, Naganuma T, Ogawa T, Muramoto K. Mannose-binding lectin from yam (Dioscorea batatas) tubers with insecticidal properties against Helicoverpa armigera (Lepidoptera: Noctuidae). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2009; 57:2896-902. [PMID: 19271711 DOI: 10.1021/jf8040269] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The amino acid sequence of mannose-binding lectin, named DB1, from the yam (Dioscorea batatas, synonym Dioscorea polystachya) tubers was determined. The lectin was composed of two isoforms DB1(Cys86) and DB1(Leu86) consisting of 108 amino acid residues with 90% sequence homology between them. DB1 showed a high sequence similarity to snowdrop (Galanthus nivalis) bulb lectin, GNA; especially, the carbohydrate-binding sites of GNA were highly conserved in DB1. DB1 interacted with D-mannose residues of oligosaccharides, and the oligosaccharides carrying two mannose-alpha-1,3-D-mannose units showed high binding affinity. DB1 was examined for insecticidal activity against Helicoverpa armigera (Lepidoptera: Noctuidae) larvae at different stages of development. The rate of adults successfully emerging from pupae fed on DB1 was 33%, when incorporated into an artificial diet at a level of 0.01% (w/w). Although DB1 had no or marginal inhibitory effects on gut proteolytic and glycolic enzymes, the lectin strongly bound to larval brush border and peritrophic membrane detected by immunostaining. The results show that DB1 may fulfill a defense role against insect pests.
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Affiliation(s)
- Yuki Ohizumi
- Department of Biomolecular Sciences, Graduate School of Life Sciences, Tohoku University, Sendai 981-8555, Japan
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24
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Baker RL, Brown RL, Chen ZY, Cleveland TE, Fakhoury AM. A maize lectin-like protein with antifungal activity against Aspergillus flavus. J Food Prot 2009; 72:120-7. [PMID: 19205472 DOI: 10.4315/0362-028x-72.1.120] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The filamentous fungus Aspergillus flavus causes an ear rot on maize and produces a mycotoxin (aflatoxin) in colonized maize kernels. Aflatoxins are carcinogenic to humans and animals upon ingestion. Aflatoxin contamination results in a large loss of profits and marketable yields for farmers each year. Several research groups have worked to pinpoint sources of resistance to A. flavus and the resulting aflatoxin contamination in maize. Some maize genotypes exhibit greater resistance than others. A proteomics approach has recently been used to identify endogenous maize proteins that may be associated with resistance to the fungus. Research has been conducted on cloning, expression, and partial characterization of one such protein, which has a sequence similar to that of cold-regulated proteins. The expressed protein, ZmCORp, exhibited lectin-like hemagglutination activity against fungal conidia and sheep erythrocytes. Quantitative real-time PCR assays revealed that ZmCOR is expressed 50% more in maize kernels from the Mp420 line, a type of maize resistant to A. flavus, compared with the expression level of the gene in the susceptible B73 line. ZmCORp exhibited fungistatic activity when conidia from A. flavus were exposed to the protein at a final concentration of 18 mM. ZmCORp inhibited the germination of conidia by 80%. A 50% decrease in mycelial growth resulted when germinated conidia were incubated with the protein. The partial characterization of ZmCORp suggests that this protein may play an important role in enhancing kernel resistance to A. flavus infection and aflatoxin accumulation.
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Affiliation(s)
- R L Baker
- Department of Plant, Soil, and Agricultural Systems, Southern Illinois University, Carbondale, Illinois 62901, USA
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25
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Boleti APDA, Ventura CA, Justo GZ, Silva RA, de Sousa ACT, Ferreira CV, Yano T, Macedo MLR. Pouterin, a novel potential cytotoxic lectin-like protein with apoptosis-inducing activity in tumorigenic mammalian cells. Toxicon 2008; 51:1321-30. [PMID: 18468651 DOI: 10.1016/j.toxicon.2008.03.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2007] [Revised: 02/28/2008] [Accepted: 03/03/2008] [Indexed: 12/23/2022]
Abstract
In this study, the cytotoxicity of pouterin in tumorigenic and non-tumorigenic mammalian cell lines was investigated. We found that HeLa, Hep-2 and HT-29 tumor cells were highly sensitive to pouterin cytotoxicity in a dose-dependent manner, whereas non-tumorigenic Vero cells and human lymphocytes were relatively resistant to the protein. Among the tumor cell lines, HeLa cells showed the highest susceptibility to pouterin cytotoxicity, exhibiting a time-dependent increase in LDH leakage and an IC(50) value of 5mug/mL. Morphological alterations such as rounding, cell shrinkage and chromatin condensation, consistent with apoptotic cell death were observed. Apoptosis induction was demonstrated by DNA fragmentation as detected by terminal dUTP nick-end labeling (TUNEL). Furthermore, HeLa cells incubated with pouterin showed disruption of the actin cytoskeleton. Western blot analysis revealed that pouterin caused increased expression of p21, thus indicating cell cycle arrest. Subsequent studies provided evidence that apoptosis may be partially explained in the activation of the tumor necrosis factor receptor 1 (TNFR1) signaling. Interestingly, a time-dependent decrease of the expression of p65 nuclear factor kappa B (NFkappaB) subunit, concomitant with a downregulation of the inhibitor of apoptosis protein 1 (IAP1) was observed, suggesting that TNFR-mediated apoptosis is the predominant pathway induced by pouterin in HeLa cells.
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Affiliation(s)
- Ana Paula de A Boleti
- Departamento de Bioquímica/IB, Universidade Estadual de Campinas, Campinas, SP, Brazil
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