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Toumi ME, Kebaili FF, Rebai R, Derardja I, Toumi M, Calogero GS, Perduca M, Necib Y. Purification and Biochemical Characterization of Novel Galectin from the Black Poplar Medicinal Mushroom Cyclocybe cylindracea (Agaricomycetes) Strain MEST42 from Algeria. Int J Med Mushrooms 2024; 26:57-70. [PMID: 38421696 DOI: 10.1615/intjmedmushrooms.2023051925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
In the present study, a new galectin designated Cyclocybe cylindracea lectin (CCL) was extracted from the fruiting bodies of the wild black popular mushroom C. cylindracea grown in Algeria. The protein was isolated using sepharose 4B as affinity chromatography matrix, and galactose as elutant. The purified galectin was composed of two subunits of 17.873 kDa each, with a total molecular mass of 35.6 kDa. Its agglutinant activity was impeded by galactose and its derivatives, as well as melibiose. Lactose showed the highest affinity, with a minimal inhibitory concentration of 0.0781 mM. CCL was sensitive to extreme pH conditions, and its binding function decreased when incubated with 10 mM EDTA, and it could be restored by metallic cations such as Ca2+, Mg2+, and Zn2+. CCL agglutinated human red blood cells, without any discernible specificity. Circular dichroism spectra demonstrated that its secondary structure contained β-sheet as dominant fold. In addition, bioinformatics investigation on their peptide fingerprint obtained after MALDI-TOF/TOF ionization using mascot software confirmed that CCL was not like any previous purified lectin from mushroom: instead, it possessed an amino acid composition with high similarity to that of the putative urea carboxylase of Emericella nidulans (strain FGSC A4/ATCC 38163/CBS 112.46/NRRL 194/M139) with 44% of similarity score.
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Affiliation(s)
- Mohammed Esseddik Toumi
- Laboratory of Microbiological Engineering and Application.Department of Biochemistry and Molecular and Cellular Biology
| | - Fethi Farouk Kebaili
- Laboratory of Microbiological Engineering and Application, Biochemistry and Molecular and Cellular Biology Department, Faculty of Nature and Life Sciences, University of Mentouri Brothers Constantine 1, Constantine 25017, Algeria
| | - Redouane Rebai
- Laboratory of Biotechnology, National Higher School of Biotechnology, Toufik Khaznadar, Universitary Town, Ali Mendjeli, BP E66 25100, Constantine, Algeria; University of Mohamed Kheider, Biskra, Algeria
| | | | - Mouad Toumi
- Laboratory of Microbiological Engineering and Application, Biochemistry and Molecular and Cellular Biology Department, Faculty of Nature and Life Sciences, University of Mentouri Brothers Constantine 1, Constantine 25017, Algeria
| | - Gaglio Salvatore Calogero
- Biocrystallography and Nanostructure Laboratory, Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | - Massimiliano Perduca
- Biocrystallography and Nanostructures Laboratory Faculty of Biotechnology, University of Verona, Cà Vignal 1, Strada Le Grazie 15, 37134 Verona, Italy
| | - Youcef Necib
- Laboratory of Microbiological Engineering and Application, Biochemistry and Molecular and Cellular Biology Department, Faculty of Nature and Life Sciences, University of Mentouri Brothers Constantine 1, Constantine 25017, Algeria
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Umar A, Ahmed S. Optimization, purification and characterization of laccase from Ganoderma leucocontextum along with its phylogenetic relationship. Sci Rep 2022; 12:2416. [PMID: 35165332 PMCID: PMC8844424 DOI: 10.1038/s41598-022-06111-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 01/24/2022] [Indexed: 11/10/2022] Open
Abstract
The aim of this work to study an efficient laccase producing fungus Ganoderma leucocontextum, which was identified by ITS regions of DNA and phylogenetic tree was constructed. This study showed the laccase first-time from G. leucocontextum by using medium containing guaiacol. The growth cultural (pH, temperature, incubation days, rpm) and nutritional (carbon and nitrogen sources) conditions were optimized, which enhanced the enzyme production up to 4.5-folds. Laccase production increased 855 U/L at 40 °C. The pH 5.0 was suitable for laccase secretion (2517 U/L) on the 7th day of incubation at 100 rpm (698.3 U/L). Glucose and sucrose were good carbon source to enhance the laccase synthesis. The 10 g/L beef (4671 U/L) and yeast extract (5776 U/L) were the best nitrogen source for laccase secretion from G. leucocontextum. The laccase was purified from the 80% ammonium sulphate precipitations of protein identified by nucleotides sequence. The molecular weight (65.0 kDa) of purified laccase was identified through SDS and native PAGE entitled as Glacc110. The Glacc110 was characterized under different parameters. It retained > 90% of its activity for 16 min incubation at 60 °C in acidic medium (pH 4.0). This enzyme exerted its optimal activity at pH 3.0 and temperature 70 °C with guaiacol substrate. The catalytic parameters Km and Vmax was 1.658 (mM) and 2.452 (mM/min), respectively. The thermo stability of the laccase produced by submerged fermentation of G. leucocontextum has potential for industrial and biotechnology applications. The results remarked the G. leucocontextum is a good source for laccase production.
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Singh RS, Walia AK, Kennedy JF. Mushroom lectins in biomedical research and development. Int J Biol Macromol 2020; 151:1340-1350. [DOI: 10.1016/j.ijbiomac.2019.10.180] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 10/19/2019] [Accepted: 10/21/2019] [Indexed: 12/13/2022]
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Zhou R, Liu ZK, Zhang YN, Wong JH, Ng TB, Liu F. Research Progress of Bioactive Proteins from the Edible and Medicinal Mushrooms. Curr Protein Pept Sci 2019; 20:196-219. [DOI: 10.2174/1389203719666180613090710] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 04/10/2018] [Accepted: 05/25/2018] [Indexed: 01/04/2023]
Abstract
For centuries, mushrooms have been widely used as traditional Chinese medicine in Asia.
Apart from polysaccharides and some small-molecule components, such as flavones, polyphenols and
terpenes, mushrooms produce a large number of pharmaceutically active proteins, which have become
popular sources of natural antitumor, antimicrobial, immunoenhancing agents. These bioactive proteins
include lectins, laccases, Ribosome Inactivating Proteins (RIPs), nucleases, and Fungal Immunomodulatory
Proteins (FIPs). The review is to summarize the characterstics of structure and bioactivities involved
in antitumor, antiviral, antifungal, antibacterial and immunoenhancing activities of proteins from
edible mushrooms, to better understand their mechanisms, and to direct research.
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Affiliation(s)
- Rong Zhou
- College of Chemical Engineering, Xiangtan University, Xiangtan, Hunan, 411105, China
| | - Zhao Kun Liu
- Department of History, Carnegie Mellon University, Pittsburgh, PA 15213, United States
| | - Ye Ni Zhang
- Department of Microbiology, The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, 300071, China
| | - Jack Ho Wong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, 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
| | - Fang Liu
- Department of Microbiology, The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, 300071, China
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Wang Y, Wu B, Shao J, Jia J, Tian Y, Shu X, Ren X, Guan Y. Extraction, purification and physicochemical properties of a novel lectin from Laetiporus sulphureus mushroom. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.01.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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He M, Su D, Liu Q, Gao W, Kang Y. Mushroom lectin overcomes hepatitis B virus tolerance via TLR6 signaling. Sci Rep 2017; 7:5814. [PMID: 28724955 PMCID: PMC5517594 DOI: 10.1038/s41598-017-06261-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 06/09/2017] [Indexed: 01/17/2023] Open
Abstract
Currently, chronic hepatitis B virus (HBV) infection remains a serious public health problem in the world. Recombinant HBV vaccine, as a preventive strategy against HBV infection, generates high antibody level, but it is not effective to activate innate and cellular immunity for chronic HBV infection therapy. Lectins from mushroom are natural and active proteins which have been shown important biological functions. However, little is known about the immunological mechanism engaged by mushroom lectins. Here we report that, lectin from Pleurotus ostreatus (POL) stimulated innate response by activating Toll-like receptor 6 signal pathway of dendritic cells. Subsequently POL enhanced HBV specific antibody level and follicular helper T cells response which overcame HBV tolerance in transgenic mice. This study suggests a novel mechanism for POL acting on immune response and a therapeutic approach to break HBV tolerance.
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Affiliation(s)
- Meina He
- State Key Laboratory for Agro-Biotechnology, College of Biological Science, China Agricultural University, Beijing, China
| | - Dan Su
- State Key Laboratory for Agro-Biotechnology, College of Biological Science, China Agricultural University, Beijing, China
| | - Qinghong Liu
- State Key Laboratory for Agro-Biotechnology, College of Biological Science, China Agricultural University, Beijing, China
| | - Wenjuan Gao
- State Key Laboratory for Agro-Biotechnology, College of Biological Science, China Agricultural University, Beijing, China
| | - Youmin Kang
- State Key Laboratory for Agro-Biotechnology, College of Biological Science, China Agricultural University, Beijing, China.
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Mushroom lectins: specificity, structure and bioactivity relevant to human disease. Int J Mol Sci 2015; 16:7802-38. [PMID: 25856678 PMCID: PMC4425051 DOI: 10.3390/ijms16047802] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 03/16/2015] [Accepted: 03/19/2015] [Indexed: 11/16/2022] Open
Abstract
Lectins are non-immunoglobulin proteins that bind diverse sugar structures with a high degree of selectivity. Lectins play crucial role in various biological processes such as cellular signaling, scavenging of glycoproteins from the circulatory system, cell-cell interactions in the immune system, differentiation and protein targeting to cellular compartments, as well as in host defence mechanisms, inflammation, and cancer. Among all the sources of lectins, plants have been most extensively studied. However, more recently fungal lectins have attracted considerable attention due to their antitumor, antiproliferative and immunomodulatory activities. Given that only 10% of mushroom species are known and have been taxonomically classified, mushrooms represent an enormous unexplored source of potentially useful and novel lectins. In this review we provide an up-to-date summary on the biochemical, molecular and structural properties of mushroom lectins, as well as their versatile applications specifically focusing on mushroom lectin bioactivity.
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Hong J, Chen TT, Hu L, Yang J, Hu P, Wang SY. Purification and characterization of a novel lectin from Chinese leek seeds. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:1488-1495. [PMID: 25569192 DOI: 10.1021/jf5046014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A novel lectin, CLSL, was purified from Chinese leek seeds by ion exchange chromatography on SP Sephadex C-25 and gel filtration chromatography on Sephadex G50. The lectin had a molecular weight of 23.6 kDa and was composed of two identical subunits linked by disulfide bonds, a conclusion based on SDS-PAGE under reducing and nonreducing conditions. CLSL was a glycoprotein with a carbohydrate content of 3.6%. It exerted potent agglutinating activity against rat red blood cells at a concentration of 8.9 μg/mL. Hemagglutination of rat erythrocytes was inhibited by d-fructose, mannitol, and sorbose at the concentration of 20 mM. The hemagglutinating activity of CLSL was maintained at 100 °C for 60 min and under acidic pH conditions but was lost at neutral and alkaline pH conditions. The hemagglutinating activity was stimulated by Ca(2+), Fe(2+), and Cu(2+) but inactivated by Ba(2+) at a concentration of 10 mM. Ba(2+)-mediated inactivation of CLSL was caused by CLSL conformational change induced by barium ions, according to the results of circular dichroism and fluorescence spectroscopy. Deconvolution of the CLSL circular dichroism indicated that it was an α-helical lectin with α-helix and β-fold contents of 35.8% and 8.6%, respectively. CLSL could also selectively inhibit cell proliferation.
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Affiliation(s)
- Jing Hong
- College of Biological Science and Technology, Fuzhou University , 2 Xue Yuan Road, University Town, Fuzhou, Fujian 350108, China
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Singh SS, Wang H, Chan YS, Pan W, Dan X, Yin CM, Akkouh O, Ng TB. Lectins from edible mushrooms. Molecules 2014; 20:446-69. [PMID: 25558856 PMCID: PMC6272671 DOI: 10.3390/molecules20010446] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Accepted: 12/23/2014] [Indexed: 11/16/2022] Open
Abstract
Mushrooms are famous for their nutritional and medicinal values and also for the diversity of bioactive compounds they contain including lectins. The present review is an attempt to summarize and discuss data available on molecular weights, structures, biological properties, N-terminal sequences and possible applications of lectins from edible mushrooms. It further aims to update and discuss/examine the recent advancements in the study of these lectins regarding their structures, functions, and exploitable properties. A detailed tabling of all the available data for N-terminal sequences of these lectins is also presented here.
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Affiliation(s)
- Senjam Sunil Singh
- Laboratory of Protein Biochemistry, Biochemistry Department, Manipur University, Canchipur, Imphal 795003, India.
| | - Hexiang Wang
- State Key Laboratory for Agrobiotechnology and Department of Microbiology, China Agricultural University, Beijing 100193, China.
| | - Yau Sang Chan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China.
| | - Wenliang Pan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China.
| | - Xiuli Dan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China.
| | - Cui Ming Yin
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China.
| | - Ouafae Akkouh
- Department of Biology and Medical Laboratory Research, Leiden University of Applied Science, Zernikedreef 11, Leiden 2333 CK, The Netherlands.
| | - Tzi Bun Ng
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China.
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Isolation and characterization of a novel lectin from the edible mushroom Stropharia rugosoannulata. Molecules 2014; 19:19880-91. [PMID: 25460311 PMCID: PMC6271533 DOI: 10.3390/molecules191219880] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 11/18/2014] [Accepted: 11/24/2014] [Indexed: 12/13/2022] Open
Abstract
To date, only a few steroids have been isolated from the mushroom Stropharia rugosoannulata which can be cultivated. In this paper, a novel lectin (SRL) with a molecular weight of 38 kDa, and a unique IKSGVYRIVSWQGALGPEAR N-terminal sequence was isolated from S. rugosoannulata, which represents the first protein isolated from the mushroom. The purification methods included (NH4)2SO4 precipitation, ion exchange chromatography on CM-cellulose, Q-Sepharose, and SP-Sepharose, and gel- filtration on Superdex-75. The lectin was adsorbed on all three types of ion exchangers and was purified more than 450-fold. The lectin was stable below 70 °C (with half of the activity preserved at 80 °C), and in the presence of NaOH and HCl solutions up to a concentration of 12.5 mM and 25 mM, respectively. The hemagglutinating activity of SRL was inhibited by inulin. Cd2+ and Hg2+ ions strongly reduced the hemagglutinating activity at concentrations from 1.25 mM to 10 mM. SRL exhibited anti-proliferative activity toward both hepatoma Hep G2 cells and leukemia L1210 cells, with an IC50 of 7 μM and 19 μM, respectively. The activity of HIV-1 reverse transcriptase could also be inhibited by SRL, with an IC50 of 10 μM.
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Singh RS, Kaur HP, Singh J. Purification and characterization of a mucin specific mycelial lectin from Aspergillus gorakhpurensis: application for mitogenic and antimicrobial activity. PLoS One 2014; 9:e109265. [PMID: 25286160 PMCID: PMC4186849 DOI: 10.1371/journal.pone.0109265] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Accepted: 09/02/2014] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Lectins are carbohydrate binding proteins or glycoproteins that bind reversibly to specific carbohydrates present on the apposing cells, which are responsible for their ability to agglutinate red blood cells, lymphocytes, fibroblasts, etc. Interest in lectins has been intensified due to their carbohydrate specificity as they can be valuable reagents for the investigation of cell surface sugars, purification and characterization of glycoproteins. The present study reports the purification, characterization and evaluation of mitogenic and antimicrobial potential of a mycelial lectin from Aspergillus gorakhpurensis. METHODS Affinity chromatography on mucin-sepharose column was carried out for purification of Aspergillus gorakhpurensis lectin. The lectin was characterized for physico-chemical parameters. Mitogenic potential of the lectin was evaluated against splenocytes of Swiss albino mice by MTT assay. Antimicrobial activity of the purified lectin has also been evaluated by disc diffusion assay. RESULTS Single-step affinity purification resulted in 18.6-fold purification of the mycelial lectin. The molecular mass of the lectin was found to be 70 kDa and it was composed of two subunits of 34.8 kDa as determined by gel filtration chromatography, SDS-PAGE and MALDI-TOF analysis. pH optima of the lectin was found to be 6.5-9.5, while optimum temperature for lectin activity was 20-30 °C. Lectin was stable within a pH range of 7.0-10.5 and showed fair thermostability. EDTA did not affect lectin activity whereas it was found susceptible to the denaturants tested. MTT assay revealed strong mitogenic potential of A. gorakhpurensis lectin at a concentration upto 150 µg/mL. Antimicrobial activity assay showed its potent antibacterial activity against Bacillus cereus, Staphylococcous aureus and Escherichia coli and marginal antifungal activity against Saccharomyces cerevisiae. CONCLUSION This is the first report on the mitogenic and antimicrobial potential of Aspergillus gorakhpurensis lectin. The results will provide useful guidelines for further research in clinical applications of this lectin.
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Affiliation(s)
- Ram Sarup Singh
- Carbohydrate and Protein Biotechnology Laboratory, Department of Biotechnology, Punjabi University, Patiala, Punjab, India
| | - Hemant Preet Kaur
- Carbohydrate and Protein Biotechnology Laboratory, Department of Biotechnology, Punjabi University, Patiala, Punjab, India
| | - Jatinder Singh
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University, Amritsar, Punjab, India
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A novel hemagglutinin with antiproliferative activity against tumor cells from the hallucinogenic mushroom Boletus speciosus. BIOMED RESEARCH INTERNATIONAL 2014; 2014:340467. [PMID: 24977148 PMCID: PMC4058106 DOI: 10.1155/2014/340467] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Revised: 03/30/2014] [Accepted: 04/29/2014] [Indexed: 11/26/2022]
Abstract
Little was known about bioactive compounds from the hallucinogenic mushroom Boletus speciosus. In the present study, a hemagglutinin (BSH, B. speciosus hemagglutinin) was isolated from its fruiting bodies and enzymatic properties were also tested. The chromatographic procedure utilized comprised anion exchange chromatography on Q-Sepharose, cation exchange chromatography on CM-Cellulose, cation exchange chromatography on SP-Sepharose, and gel filtration by FPLC on Superdex 75. The hemagglutinin was a homodimer which was estimated to be approximately 31 kDa in size. The activity of BSH was stable up to 60°C, while there was a precipitous drop in activity when the temperature was elevated to 70°C. BSH retained 25% hemagglutinating activity when exposed to 100 mM NaOH and 25 mM HCl. The activity was potently inhibited by 1.25 mM Hg2+ and slightly inhibited by Fe2+, Ca2+, and Pb2+. None of the sugars tested showed inhibition towards BSH. Its hemagglutinating activity towards human erythrocytes type A, type B, and type AB was higher than type O. The hemagglutinin showed antiproliferative activity towards hepatoma Hep G2 cells and mouse lymphocytic leukemia cells (L1210) in vitro, with IC50 of 4.7 μM and 7.0 μM, respectively. It also exhibited HIV-1 reverse transcriptase inhibitory activity with an IC50 of 7.1 μM.
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Cui F, Zan X, Li Y, Yang Y, Sun W, Zhou Q, Yu S, Dong Y. Purification and partial characterization of a novel anti-tumor glycoprotein from cultured mycelia of Grifola frondosa. Int J Biol Macromol 2013; 62:684-690. [DOI: 10.1016/j.ijbiomac.2013.10.025] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 10/19/2013] [Accepted: 10/21/2013] [Indexed: 11/25/2022]
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Tsai PF, Ma CY, Wu JSB. A novel glycoprotein from mushroom Hypsizygus marmoreus (Peck) Bigelow with growth inhibitory effect against human leukaemic U937 cells. Food Chem 2013; 141:1252-8. [DOI: 10.1016/j.foodchem.2013.04.024] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Revised: 03/30/2013] [Accepted: 04/06/2013] [Indexed: 11/24/2022]
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Singh RS, Walia AK. Microbial lectins and their prospective mitogenic potential. Crit Rev Microbiol 2012; 40:329-47. [DOI: 10.3109/1040841x.2012.733680] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Wu Y, Wang H, Ng TB. Purification and characterization of a lectin with antiproliferative activity toward cancer cells from the dried fruit bodies of Lactarius flavidulus. Carbohydr Res 2011; 346:2576-81. [DOI: 10.1016/j.carres.2011.09.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2011] [Revised: 09/02/2011] [Accepted: 09/07/2011] [Indexed: 10/17/2022]
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He XM, Ji N, Xiang XC, Luo P, Bao JK. Purification, characterization, and molecular cloning of a novel antifungal lectin from the roots of Ophioglossum pedunculosum. Appl Biochem Biotechnol 2011; 165:1458-72. [PMID: 21947760 DOI: 10.1007/s12010-011-9367-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2011] [Accepted: 09/01/2011] [Indexed: 10/17/2022]
Abstract
A novel mannan-specific lectin was isolated from the roots of a traditional Chinese herbal medicine, Ophioglossum pedunculosum through ion-exchange chromatography and gel filtration. With a molecular mass of 19,835.7 Da demonstrated by MALDI-TOF analysis, this novel agglutinin was designated as O. pedunculosum agglutinin (OPA), specifically agglutinating human O erythrocytes and rabbit erythrocytes. The hemagglutination could be strongly inhibited by mannan and thyroglobulin, the activity of which was stable in pH range of 4.0-8.0 and at temperatures below 50 °C. Chemical modification studies indicated that tryptophan and arginine residues were essential for its hemagglutinating activity. Meanwhile, it showed antifungal activities toward Sclerotium rolfsii and Fusarium graminearum. In addition, to amplify cDNA of OPA by 3'/5'-rapid amplification of cDNA ends (RACE), the N-terminal 30 amino acids sequence of OPA was determined, and degenerate primers were designed. The obtained full-length cDNA of OPA contained 885 bp with an open-reading frame of 600 bp encoding a precursor protein of 199 amino acids, while the mature protein had 170 amino acids.
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Affiliation(s)
- Xue-Mei He
- School of Life Sciences, Sichuan University, Chengdu 610064, China
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Francis F, Jaber K, Colinet F, Portetelle D, Haubruge E. Purification of a new fungal mannose-specific lectin from Penicillium chrysogenum and its aphicidal properties. Fungal Biol 2011; 115:1093-9. [PMID: 22036288 DOI: 10.1016/j.funbio.2011.06.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2010] [Revised: 05/16/2011] [Accepted: 06/13/2011] [Indexed: 10/18/2022]
Abstract
Several Ascomycetes fungi are commonly used in bio-industries and provide available industrial residues for lectin extraction to be valuable. A lectin from Penicillium chrysogenum, named PeCL, was purified from a fungal culture using gel-filtration chromatography column. PeCL was found to be a mannose-specific lectin by haemagglutination activity towards rabbit erythrocyte cells and was visualised on SDS-PAGE gel. Purified PeCL fraction was delivered via artificial diet to Myzus persicae aphid and was demonstrated to be aphicidal at 0.1 % with higher toxic efficiency than a known mannose-binding lectin Concanavalin A (ConA). A fast and efficient way to purify PeCL and a potential use in pest control is described.
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Affiliation(s)
- Frédéric Francis
- Functional & Evolutionary Entomology, Gembloux Ago-Bio Tech, University of Liege, Passage des Déportés 2, B-5030 Gembloux, Belgium.
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Yang Y, Xu HL, Zhang ZT, Liu JJ, Li WW, Ming H, Bao JK. Characterization, molecular cloning, and in silico analysis of a novel mannose-binding lectin from Polygonatum odoratum (Mill.) with anti-HSV-II and apoptosis-inducing activities. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2011; 18:748-755. [PMID: 21146383 DOI: 10.1016/j.phymed.2010.11.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2010] [Revised: 09/21/2010] [Accepted: 11/07/2010] [Indexed: 05/30/2023]
Abstract
Polygonatum odoratum lectin (POL), a novel mannose-binding lectin with anti-viral and apoptosis-inducing activities, was isolated from rhizomes of Polygonatum odoratum (Mill.) Druce. POL was a homo-tetramer with molecular weight of 11953.623Da per subunits as determined by gel filtration, SDS-PAGE and mass spectrometry. Based on its N-terminal 29-amino acid sequence the full-length cDNA sequence of POL was cloned. Subsequent phylogenetic analysis and molecular modeling revealed that POL belonged to the Galanthus nivalis agglutinin (GNA)-related lectin family, which acquired unique mannose-binding specificity. The hemagglutinating activities of POL were metal ion-independent, and were stable within certain range of pH and temperature alterations. Moreover, POL showed remarkable anti-HSV-II activity towards Vero cells, cytotoxicity towards human melanoma A375 cells and induced apoptosis in a caspase-dependent manner.
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Affiliation(s)
- Yun Yang
- School of Life Sciences & State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
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20
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Hu DD, Zhang RY, Zhang GQ, Wang HX, Ng TB. A laccase with antiproliferative activity against tumor cells from an edible mushroom, white common Agrocybe cylindracea. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2011; 18:374-379. [PMID: 20739163 DOI: 10.1016/j.phymed.2010.07.004] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2009] [Revised: 06/02/2010] [Accepted: 07/12/2010] [Indexed: 05/29/2023]
Abstract
A laccase, with HIV-1 reverse transcriptase inhibitory activity (IC(50)=12.7 μM) and antiproliferative activity against HepG2 cells (IC(50)=5.6 μM) and MCF7 cells (IC(50)=6.5 μM), was purified from fresh fruiting bodies of the edible white common Agrocybe cylindracea mushroom. The laccase, which had a novel N-terminal sequence, displayed a molecular mass of 58 kDa within the range reported for most other mushroom laccases. The purification protocol entailed ion exchange chromatography on DEAE-cellulose, SP-Sepharose, and Q-Sepharose and gel filtration on Superdex 75. The laccase was adsorbed on DEAE-cellulose and Q-Sepharose, but unadsorbed on SP-Sepharose. Its optimum pH was pH 3-4 and its optimum temperature was 50°C. The activity of the isolated laccase differed from one substrate to another. The ranking was ABTS>N,N-dimethyl-1,4-phenylenediamine>hydroquinone>catechol>2-methylcatechol>pyrogallol.
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Affiliation(s)
- D D Hu
- State Key Laboratory for Agrobiotechnology, Department of Microbiology, China Agricultural University, Beijing, China
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21
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22
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Zhang ZT, Peng H, Li CY, Liu JJ, Zhou TT, Yan YF, Li Y, Bao JK. Polygonatum cyrtonema lectin induces murine fibrosarcoma L929 cell apoptosis via a caspase-dependent pathway as compared to Ophiopogon japonicus lectin. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2010; 18:25-31. [PMID: 20655713 DOI: 10.1016/j.phymed.2010.05.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Galanthus nivalis agglutinin (GNA)-related lectin family, a superfamily of strictly mannose-binding specific lectins, has been well-known to possess several biological functions including apoptosis-inducing activities. However, the precise mechanisms of GNA-related lectins to induce apoptosis remains to be clarified. In this study, we showed that Polygonatum cyrtonema lectin (PCL) and Ophiopogon japonicus lectin (OJL), the two mannose-binding GNA-related lectins, could induce murine fibrosarcoma L929 cell apoptosis. In addition, we found that there was a close link between their sugar-binding and apoptosis-inducing activities. Interestingly, we further confirmed that the mechanism of lectin-induced apoptosis was a caspase-dependent pathway. Moreover, we found that the two lectins could amplify tumor necrosis factor α (TNFα)-induced apoptosis. Taken together, these findings would open a new perspective for GNA-related lectins as potential anti-tumor agents.
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Affiliation(s)
- Zi-ting Zhang
- School of Life Sciences, State Key Laboratory of Oral Diseases, Sichuan University, Wuhou District, Chengdu, China
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23
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Singh RS, Bhari R, Kaur HP. Mushroom lectins: current status and future perspectives. Crit Rev Biotechnol 2010; 30:99-126. [PMID: 20105049 DOI: 10.3109/07388550903365048] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Lectins are nonimmune proteins or glycoproteins that bind specifically to cell surface carbohydrates, culminating in cell agglutination. These are known to play key roles in host defense system and also in metastasis. Many new sources have been explored for the occurrence of lectins during the last few years. Numerous novel lectins with unique specificities and exploitable properties have been discovered. Mushrooms have attracted a number of researchers in food and pharmaceuticals. Many species have long been used in traditional Chinese medicines or functional foods in Japan and other Asian countries. A number of bioactive constituents have been isolated from mushrooms including polysaccharides, polysaccharopeptides, polysaccharide-protein complexes, proteases, ribonucleases, ribosome inactivating proteins, antifungal proteins, immunomodulatory proteins, enzymes, lectins, etc. Mushroom lectins are endowed with mitogenic, antiproliferative, antitumor, antiviral, and immune stimulating potential. In this review, an attempt has been made to collate the information on mushroom lectins, their blood group and sugar specificities, with an emphasis on their biomedical potential and future perspectives.
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Affiliation(s)
- Ram Sarup Singh
- Carbohydrate and Protein Biotechnology Laboratory, Department of Biotechnology, Punjabi University, Patiala, Punjab, India.
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24
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Zhang G, Sun J, Wang H, Ng TB. First isolation and characterization of a novel lectin with potent antitumor activity from a Russula mushroom. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2010; 17:775-781. [PMID: 20378319 DOI: 10.1016/j.phymed.2010.02.001] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2009] [Revised: 12/18/2009] [Accepted: 02/04/2010] [Indexed: 05/29/2023]
Abstract
To date only a ribonuclease and a protein with anti-HIV-1 reverse transcriptase activity have been isolated from mushrooms of the genus Russula. In this study a novel lectin, with a molecular weight of 32 kDa, and a unique N-terminal sequence different from other lectins, was isolated from the mushroom Russula lepida. It represents the first lectin isolated from Russula mushrooms. The purification scheme involved (NH4)2SO4 precipitation, ion exchange chromatography on diethylaminoethyl DEAE-cellulose and SP-Sepharose, and fast protein liquid chromatography-gel filtration on Superdex 75. The hemagglutinating activity of the lectin (RLL) was inhibited by inulin and O-nitrophenyl-beta-D-galacto-pyranoside. The lectin was stable at temperatures up to 70 degrees C (half of the activity was preserved at 80 degrees C), and in the presence of NaOH or HCl solutions up to a concentration of 12.5 mM. Its hemagglutinating activity was reduced in the presence of Mn2+, Co2+, and Hg2+ ions, and enhanced by Cu2+ ions. It exhibited antiproliferative activity toward hepatoma Hep G2 cells and human breast cancer MCF-7 cells with an IC(50) of 1.6 microM and 0.9 microM, respectively. Daily intraperitoneal injections of RLL (5.0 mg/kg body weight/day for 20 days) brought about 67.6% reduction in the weight of S-180 tumor. RLL was devoid of antifungal, ribonuclease, and HIV-1 reverse transcriptase inhibitory activities.
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Affiliation(s)
- G Zhang
- State Key Laboratory for Agrobiotechnology and Department of Microbiology, China Agricultural University, Beijing 100193, China
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25
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A novel lectin with antiproliferative and HIV-1 reverse transcriptase inhibitory activities from dried fruiting bodies of the monkey head mushroom Hericium erinaceum. J Biomed Biotechnol 2010; 2010:716515. [PMID: 20625408 PMCID: PMC2896861 DOI: 10.1155/2010/716515] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2010] [Revised: 04/14/2010] [Accepted: 04/14/2010] [Indexed: 12/04/2022] Open
Abstract
A lectin designated as Hericium erinaceum agglutinin (HEA) was isolated from dried fruiting bodies of the mushroom Hericium erinaceum with a chromatographic procedure which entailed DEAE-cellulose, CM-cellulose, Q-Sepharose, and FPLC Superdex 75. Its molecular mass was estimated to be 51 kDa and its N-terminal amino acid sequences was distinctly different from those of other isolated mushroom lectins. The hemagglutinating activity of HEA was inhibited at the minimum concentration of 12.5 mM by inulin. The lectin was stable at pH 1.9–12.1 and at temperatures up to 70°C, but was inhibited by Hg2+, Cu2+, and Fe3+ ions. The lectin exhibited potent mitogenic activity toward mouse splenocytes, and demonstrated antiproliferative activity toward hepatoma (HepG2) and breast cancer (MCF7) cells with an IC50 of 56.1 μM and 76.5 μM, respectively. It manifested HIV-1 reverse transcriptase inhibitory activity with an IC50 of 31.7 μM. The lectin exhibited potent mitogenic activity toward murine splenocytes but was devoid of antifungal activity.
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Zhao S, Zhao Y, Li S, Zhao J, Zhang G, Wang H, Ng TB. A novel lectin with highly potent antiproliferative and HIV-1 reverse transcriptase inhibitory activities from the edible wild mushroom Russula delica. Glycoconj J 2010; 27:259-65. [DOI: 10.1007/s10719-009-9274-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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27
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Ye XJ, Ng TB. A novel lectin with highly potent antiproliferative and HIV-1 reverse transcriptase inhibitory activities from cicada (Cicada flammata). Appl Microbiol Biotechnol 2009; 86:1409-18. [DOI: 10.1007/s00253-009-2363-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2009] [Revised: 11/09/2009] [Accepted: 11/11/2009] [Indexed: 01/11/2023]
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28
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Hemagglutinating activity and conformation of a lactose-binding lectin from mushroom Agrocybe cylindracea. Int J Biol Macromol 2008; 42:138-44. [DOI: 10.1016/j.ijbiomac.2007.10.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2007] [Revised: 10/11/2007] [Accepted: 10/11/2007] [Indexed: 11/20/2022]
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29
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Wang J, Wang HX, Ng TB. A peptide with HIV-1 reverse transcriptase inhibitory activity from the medicinal mushroom Russula paludosa. Peptides 2007; 28:560-5. [PMID: 17113195 DOI: 10.1016/j.peptides.2006.10.004] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2006] [Revised: 10/09/2006] [Accepted: 10/09/2006] [Indexed: 10/23/2022]
Abstract
Hot water extracts of 16 species of mushrooms, including both edible and medicinal mushrooms, were screened for human immunodeficiency virus (HIV)-1 reverse transcriptase (RT) inhibitory activity. Extracts of Lactarius camphoratus, Trametes suaveolens, Sparassis crispa, Pleurotus sajor-caju, Pleurotus pulmonarius, and Russula paludosa elicited over 50% inhibition when tested at the concentration of 1 mg/ml. The extract of R. paludosa demonstrated the highest inhibitory activity on HIV-1 RT (97.6%). Fraction SU2, purified from R. paludosa extract by anion exchange chromatography on DEAE-cellulose and gel filtration on Superdex 75, exhibited potent inhibitory activity on HIV-1 RT. At the concentrations of 1 mg/ml, 0.2 mg/ml, and 0.04 mg/ml, the inhibition ratios were 99.2%, 89.3%, and 41.8%, respectively, giving an IC50 of 11 microM. The molecular mass of SU2 was 4.5 kDa and its N-terminal amino acid sequence was determined to be KREHGQHCEF. The peptide was devoid of hemagglutinating, ribonuclease, antifungal, protease, protease inhibitory, and laccase activities.
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Affiliation(s)
- Jianbin Wang
- Department of Chemistry, Peking University, Beijing 100080, China
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30
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Wang HX, Ng TB. A laccase from the medicinal mushroom Ganoderma lucidum. Appl Microbiol Biotechnol 2006; 72:508-13. [PMID: 16636832 DOI: 10.1007/s00253-006-0314-9] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2005] [Revised: 12/23/2005] [Accepted: 12/29/2005] [Indexed: 11/24/2022]
Abstract
A protein demonstrating laccase activity and potent inhibitory activity towards human immunodeficiency virus (HIV)-1 reverse transcriptase (IC50 1.2 microM) was isolated from fresh fruiting bodies of the medicinal mushroom Ganoderma lucidum. The laccase had a novel N-terminal sequence and a molecular mass of 75 kDa, which is higher than the range (55-56 kDa) reported for most other mushroom laccases. It was isolated by sequential chromatography on DEAE-cellulose and Affi-gel blue gel and adsorption on Con A-Sepharose. Unlike some of the previously isolated laccases, it was adsorbed only on Con A-Sepharose. The enzyme required a pH of 3-5 and a temperature of 70 degrees C to exhibit maximal activity. Minimal activity was detected at pH 6 and 7. Activity was undetectable at pH 8 and 9 and after exposure to 100 degrees C for 10 min.
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Affiliation(s)
- H X Wang
- State Key Laboratory for Agrobiotechnology and Department of Microbiology, China Agricultural University, Beijing 100094, China
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31
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Abstract
The peptides and proteins secreted by fungi are reviewed in this article. They include ribosome inactivating peptides and proteins, antifungal peptides and proteins, lectins, ubiquitin-like peptides and proteins, peptides and proteins with nucleolytic activity, proteases, xylanases, cellulases, sugar oxidoreductases, laccases, invertases, trehalose phosphorylases, and various enzymes with applications in food industry, chemical production and the medical sector.
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Affiliation(s)
- T B Ng
- Department of Biochemistry, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
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