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Olvera-Lucio FH, Riveros-Rosas H, Quintero-Martínez A, Hernández-Santoyo A. Tandem-repeat lectins: structural and functional insights. Glycobiology 2024; 34:cwae041. [PMID: 38857376 PMCID: PMC11186620 DOI: 10.1093/glycob/cwae041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 05/05/2024] [Accepted: 06/10/2024] [Indexed: 06/12/2024] Open
Abstract
Multivalency in lectins plays a pivotal role in influencing glycan cross-linking, thereby affecting lectin functionality. This multivalency can be achieved through oligomerization, the presence of tandemly repeated carbohydrate recognition domains, or a combination of both. Unlike lectins that rely on multiple factors for the oligomerization of identical monomers, tandem-repeat lectins inherently possess multivalency, independent of this complex process. The repeat domains, although not identical, display slightly distinct specificities within a predetermined geometry, enhancing specificity, affinity, avidity and even oligomerization. Despite the recognition of this structural characteristic in recently discovered lectins by numerous studies, a unified criterion to define tandem-repeat lectins is still necessary. We suggest defining them multivalent lectins with intrachain tandem repeats corresponding to carbohydrate recognition domains, independent of oligomerization. This systematic review examines the folding and phyletic diversity of tandem-repeat lectins and refers to relevant literature. Our study categorizes all lectins with tandemly repeated carbohydrate recognition domains into nine distinct folding classes associated with specific biological functions. Our findings provide a comprehensive description and analysis of tandem-repeat lectins in terms of their functions and structural features. Our exploration of phyletic and functional diversity has revealed previously undocumented tandem-repeat lectins. We propose research directions aimed at enhancing our understanding of the origins of tandem-repeat lectin and fostering the development of medical and biotechnological applications, notably in the design of artificial sugars and neolectins.
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Affiliation(s)
- Francisco H Olvera-Lucio
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México, Coyoacán 04510, Mexico
| | - Héctor Riveros-Rosas
- Depto. Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Coyoacán 04510, Mexico
| | - Adrián Quintero-Martínez
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México, Coyoacán 04510, Mexico
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Hossain MM, Rajia S, Ohkawa M, Yoshimoto S, Fujii Y, Kawsar SMA, Ozeki Y, Hasan I. Physicochemical properties and antimicrobial activities of MytiLec-1, a member from the mytilectin family of mussels. Int J Biol Macromol 2023; 253:127628. [PMID: 37884254 DOI: 10.1016/j.ijbiomac.2023.127628] [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: 09/03/2023] [Revised: 10/20/2023] [Accepted: 10/21/2023] [Indexed: 10/28/2023]
Abstract
MytiLec-1, the recombinant form of a mussel lectin from Mytillus galloprovincialis, was purified by affinity chromatography and showed the maximum hemagglutination activity at a temperature range of 10 °C to 40 °C and at pH 7.0 to 9.0. Denaturants like urea and acidic-guanidine inhibited its hemagglutination activity significantly. MytiLec-1 was found to be metal-independent though Ca2+ slightly increased the activity of chelated MytiLec-1. The lectin suppressed 65 % growth of Pseudomonas aeruginosa (ATCC 47085) at 200 μg/ml and reduced the formation of biofilm (15 % at 200 μg/ml). Comparing to Shigella sonnei (ATCC 29930), Shigella boydii (ATCC 231903) and Shigella dysenteriae (ATCC 238135), Bacillus cereus (ATCC 14579) was slightly more sensitive to MytiLec-1. At a concentration of 200 μg/disc and 100 μg/ml, MytiLec-1 prevented the growth of Aspergillus niger and agglutinated the spores of Aspergillus niger and Trichoderma reesei, respectively. Amino acid sequences, physicochemical properties and antimicrobial activities of MytiLec-1 were compared with three other lectins (CGL, MTL and MCL from Crenomytilus grayanus, Mytilus trossulas and Mytilus californianus, respectively) from the mytilectin family of bivalve mollusks. It reconfirms the function of these lectins to recognize pathogens and perform important roles in innate immune response of mussels.
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Affiliation(s)
- Md Mikail Hossain
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Sultana Rajia
- Center for Interdisciplinary Research, Varendra University, Rajshahi 6204, Bangladesh; Graduate School of Nanobiosciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Mayuka Ohkawa
- Graduate School of Nanobiosciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Suzuna Yoshimoto
- Graduate School of Nanobiosciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Yuki Fujii
- Graduate School of Pharmaceutical Sciences, Nagasaki International University, 2825-7, Huis Ten Bosch, Sasebo, Nagasaki 859-3298, Japan
| | - Sarkar M A Kawsar
- Department of Chemistry, University of Chittagong, Chittagong 4331, Bangladesh
| | - Yasuhiro Ozeki
- Graduate School of Nanobiosciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Imtiaj Hasan
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi 6205, Bangladesh.
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Almeida ASDE, Mendonça DNM, Carneiro RF, Pinheiro U, Nascimento EFDO, Andrade AL, Vasconcelos MADE, Teixeira EH, Nagano CS, Sampaio AH. Purification, biochemical characterization of a lectin from marine sponge Ircinia strobilina and its effect on the inhibition of bacterial biofilms. AN ACAD BRAS CIENC 2023; 95:e20220619. [PMID: 38088730 DOI: 10.1590/0001-3765202320220619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 02/09/2023] [Indexed: 12/18/2023] Open
Abstract
A new lectin from marine sponge Ircinia strobilina, denominated IsL, was isolated by combination of affinity chromatography in Guar gum matrix followed by size exclusion chromatography. IsL was able to agglutinate native and enzymatically treated rabbit erythrocytes, being inhibited by galactosides, such as α-methyl-D-galactopyranoside, β-methyl-D-galactopyranoside and α-lactose. IsL hemagglutinating activity was stable at neutral to alkaline pH, however the lectin loses its activity at 40° C. The molecular mass determinated by mass spectrometry was 13.655 ± 5 Da. Approximately 40% of the primary structure of IsL was determined by mass spectrometry, but no similarity was observed with any protein. The secondary structure of IsL consists of 28% α-helix, 26% β-sheet, and 46% random region, as determined by dichroism circular. IsL was a calcium-dependent lectin, but no significant variations were observed by circular dichroism when IsL was incubated in presence of calcium and EDTA. IsL was not toxic against Artemia nauplii and did not have antimicrobial activity against bacterial cells. However, the IsL was able to significantly inhibit the biofilm formation of Staphylococcus aureus and Staphylococcus epidermidis.
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Affiliation(s)
- Alexandra S DE Almeida
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha - BioMar-Lab, Av. Humberto Monte, s/n, Campus do Pici, bloco 871, 60440-970 Fortaleza, CE, Brazil
- Universidade Federal do Ceará, Instituto de Ciências Marinhas - Labomar, Av. da Abolição, 3207, 60165-081 Fortaleza, CE, Brazil
| | - Dayara N M Mendonça
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha - BioMar-Lab, Av. Humberto Monte, s/n, Campus do Pici, bloco 871, 60440-970 Fortaleza, CE, Brazil
| | - Rômulo F Carneiro
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha - BioMar-Lab, Av. Humberto Monte, s/n, Campus do Pici, bloco 871, 60440-970 Fortaleza, CE, Brazil
| | - Ulisses Pinheiro
- Universidade Federal de Pernambuco, Departamento de Zoologia, Av. Prof. Moraes Rego, 1235, Cidade Universitária, 50670-901 Recife, PE, Brasil
| | - Elielton Francisco DO Nascimento
- Universidade Federal de Pernambuco, Departamento de Zoologia, Av. Prof. Moraes Rego, 1235, Cidade Universitária, 50670-901 Recife, PE, Brasil
| | - Alexandre L Andrade
- Universidade Federal do Ceará, Departamento de Patologia e Medicina Legal, Laboratório Integrado de Biomoléculas - LIBS, Av. Monsenhor Furtado, s/n, 60430-160 Fortaleza, CE, Brazil
| | - Mayron A DE Vasconcelos
- Universidade Federal do Ceará, Departamento de Patologia e Medicina Legal, Laboratório Integrado de Biomoléculas - LIBS, Av. Monsenhor Furtado, s/n, 60430-160 Fortaleza, CE, Brazil
- Universidade do Estado de Minas Gerais, Unidade de Divinópolis, Av. Paraná, 3001, 35501-170 Divinópolis, MG, Brazil
| | - Edson H Teixeira
- Universidade Federal do Ceará, Departamento de Patologia e Medicina Legal, Laboratório Integrado de Biomoléculas - LIBS, Av. Monsenhor Furtado, s/n, 60430-160 Fortaleza, CE, Brazil
| | - Celso S Nagano
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha - BioMar-Lab, Av. Humberto Monte, s/n, Campus do Pici, bloco 871, 60440-970 Fortaleza, CE, Brazil
| | - Alexandre H Sampaio
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha - BioMar-Lab, Av. Humberto Monte, s/n, Campus do Pici, bloco 871, 60440-970 Fortaleza, CE, Brazil
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Liu P, Li W, Peng Y, Han S, Liang Z, Cen Y, Li X, Wang P, Lv H, Zhang Q, Chen H, Lin J. Molecular cloning, expression, and functional analysis of a putative lectin from the pearl oyster (Pinctada fucata, Gould 1850). FISH & SHELLFISH IMMUNOLOGY 2023; 143:109215. [PMID: 37951320 DOI: 10.1016/j.fsi.2023.109215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 11/03/2023] [Accepted: 11/05/2023] [Indexed: 11/13/2023]
Abstract
Marine lectins are a group of proteins that possess specific carbohydrate recognition and binding domains. They exhibit various activities, including antimicrobial, antitumor, antiviral, and immunomodulatory effects. In this study, a novel galectin-binding lectin gene named PFL-96 (GenBank: OQ561753.1) was cloned from Pinctada fucata. The PFL-96 gene has an open reading frame of 324 base pairs (bp) and encodes a protein comprising 107 amino acids. The protein has a molecular weight of 11.95 kDa and an isoelectric point of 9.27. It contains an N-terminal signal peptide and a galactose-binding lectin domain. The sequence identity to lectin proteins from fish, echinoderms, coelenterates, and shellfish ranges from 31.90 to 40.00 %. In the phylogenetic analysis, it was found that the PFL-96 protein is closely related to the lectin from Pteria penguin. The PFL-96 recombinant protein exhibited coagulation activity on 2 % rabbit red blood cells at a concentration of ≥8 μg/mL. Additionally, it showed significant hemolytic activity at a concentration of ≥32 μg/mL. The PFL-96 recombinant protein exhibited significant antibacterial activity against Bacillus subtilis, Staphylococcus aureus, Candida albicans, and Vibrio alginolyticus, with minimum inhibitory concentrations (MIC) of 4, 8, 16, and 16 μg/mL, respectively. The minimum bactericidal concentrations (MBC) were determined to be 8, 16, 32, and 32 μg/mL, respectively. Furthermore, the PFL-96 recombinant protein exhibited inhibitory effects on the proliferation of Hela tumor cells, HepG2 tumor cells, and C666-1 tumor cells, with IC50 values of 7.962, 8.007, and 9.502 μg/mL, respectively. These findings suggest that the recombinant protein PFL-96 exhibits significant bioactivity in vitro, contributing to a better understanding of the active compounds found in P. fucata. The present study establishes a fundamental basis for further investigation into the mechanism of action and structural optimization of the recombinant protein PFL-96. The aim is to develop potential candidates for antibacterial and anti-tumor agents.
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Affiliation(s)
- Peng Liu
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China.
| | - Wenyue Li
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China
| | - Yue Peng
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China
| | - Siyin Han
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China
| | - Zhongxiu Liang
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China
| | - Yanhui Cen
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China
| | - Xinrong Li
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China
| | - Peiyan Wang
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China
| | - Huiying Lv
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China
| | - Qingying Zhang
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China
| | - Honglin Chen
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China
| | - Jiang Lin
- Comprehensive Laboratory of Medical Innovation, School of Basic Medical Science, Guangxi University of Chinese Medicine, Nanning, China.
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Duarte JDA, Oliveira Neto JED, Torres RCF, Sousa ARDO, Andrade AL, Chaves RP, Carneiro RF, Vasconcelos MAD, Teixeira CS, Teixeira EH, Nagano CS, Sampaio AH. Structural characterization of a galectin from the marine sponge Aplysina lactuca (ALL) with synergistic effects when associated with antibiotics against bacteria. Biochimie 2023; 214:165-175. [PMID: 37437685 DOI: 10.1016/j.biochi.2023.07.003] [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: 04/12/2023] [Revised: 06/12/2023] [Accepted: 07/07/2023] [Indexed: 07/14/2023]
Abstract
Lectins presents the ability to interact with glycans and trigger varied responses, including the inhibition of the development of various pathogens. Structural studies of these proteins are essential to better understand their functions. In marine sponges, so far only a few lectins have their primary structures completely determined. Thus, the objective of this work was to structurally characterize and evaluate antibacterial potential, in association with different antibiotics, of the lectin isolated from the marine sponge Aplysina lactuta (ALL). ALL is a homotetramer of 60 kDa formed by four 15 kDa-subunits. The lectin showed affinity only for the glycoproteins fetuin, asialofetuin, mucin type III, and bovine submaxillary mucin type I. The complete amino acid sequences of two isoforms of ALL, named ALL-a and ALL-b, were determined by a combination of Edman degradation and overlapped peptides sequenced by tandem mass spectrometry. ALL-a and ALL-b have 144 amino acids with molecular masses of 15,736 Da and 15,985 Da, respectively. Both structures contain conserved residues typical of the galectin family. ALL is a protein with antibacterial potential, when in association with ampicillin and oxacillin the lectin potentiates its antibiotic effect, included Methicillin-resistant Staphylococcus strains. Thus, ALL shows to be a molecule with potential for the development of new antibacterial drugs.
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Affiliation(s)
- Jéssica de Assis Duarte
- Marine Biotecnology Laboratory - BioMar-Lab, Departament of Fishing Engineering S/N, Bloco 871, 60440-970, Fortaleza-CE, Brazil
| | - José Eduardo de Oliveira Neto
- Marine Biotecnology Laboratory - BioMar-Lab, Departament of Fishing Engineering S/N, Bloco 871, 60440-970, Fortaleza-CE, Brazil
| | - Renato Cézar Farias Torres
- Marine Biotecnology Laboratory - BioMar-Lab, Departament of Fishing Engineering S/N, Bloco 871, 60440-970, Fortaleza-CE, Brazil
| | | | - Alexandre Lopes Andrade
- Integrated Biomolecules Laboratory - LIBS, Departament of Pathology and Legal Medicine, Federal University of Ceará S/N, Monsenhor Furtado, 60430-160, Fortaleza, CE, Brazil
| | - Renata Pinheiro Chaves
- Marine Biotecnology Laboratory - BioMar-Lab, Departament of Fishing Engineering S/N, Bloco 871, 60440-970, Fortaleza-CE, Brazil
| | - Rômulo Farias Carneiro
- Marine Biotecnology Laboratory - BioMar-Lab, Departament of Fishing Engineering S/N, Bloco 871, 60440-970, Fortaleza-CE, Brazil
| | - Mayron Alves de Vasconcelos
- Integrated Biomolecules Laboratory - LIBS, Departament of Pathology and Legal Medicine, Federal University of Ceará S/N, Monsenhor Furtado, 60430-160, Fortaleza, CE, Brazil; State University of Minas Gerais, Unidade de Divinópolis, 35501-170, Divinópolis, MG, Brazil; Faculdade de Ciências Exatas e Naturais Universidade Do Estado Do Rio Grande Do Norte, 59610-210, Mossoró, RN, Brazil
| | - Claudener Souza Teixeira
- Center for Agricutural Scienses and Biodiversity, Federal University of Cariri, Crato, CE, Brazil
| | - Edson Holanda Teixeira
- Integrated Biomolecules Laboratory - LIBS, Departament of Pathology and Legal Medicine, Federal University of Ceará S/N, Monsenhor Furtado, 60430-160, Fortaleza, CE, Brazil
| | - Celso Shiniti Nagano
- Marine Biotecnology Laboratory - BioMar-Lab, Departament of Fishing Engineering S/N, Bloco 871, 60440-970, Fortaleza-CE, Brazil
| | - Alexandre Holanda Sampaio
- Marine Biotecnology Laboratory - BioMar-Lab, Departament of Fishing Engineering S/N, Bloco 871, 60440-970, Fortaleza-CE, Brazil.
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Biology and Regulation of Staphylococcal Biofilm. Int J Mol Sci 2023; 24:ijms24065218. [PMID: 36982293 PMCID: PMC10049468 DOI: 10.3390/ijms24065218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/15/2023] [Accepted: 03/03/2023] [Indexed: 03/11/2023] Open
Abstract
Despite continuing progress in medical and surgical procedures, staphylococci remain the major Gram-positive bacterial pathogens that cause a wide spectrum of diseases, especially in patients requiring the utilization of indwelling catheters and prosthetic devices implanted temporarily or for prolonged periods of time. Within the genus, if Staphylococcus aureus and S. epidermidis are prevalent species responsible for infections, several coagulase-negative species which are normal components of our microflora also constitute opportunistic pathogens that are able to infect patients. In such a clinical context, staphylococci producing biofilms show an increased resistance to antimicrobials and host immune defenses. Although the biochemical composition of the biofilm matrix has been extensively studied, the regulation of biofilm formation and the factors contributing to its stability and release are currently still being discovered. This review presents and discusses the composition and some regulation elements of biofilm development and describes its clinical importance. Finally, we summarize the numerous and various recent studies that address attempts to destroy an already-formed biofilm within the clinical context as a potential therapeutic strategy to avoid the removal of infected implant material, a critical event for patient convenience and health care costs.
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Zhou Y, Wang Q, Ying Q, Zhang X, Chen K, Ye T, Li G. Effects of Oncolytic Vaccinia Viruses Harboring Different Marine Lectins on Hepatocellular Carcinoma Cells. Int J Mol Sci 2023; 24:ijms24043823. [PMID: 36835232 PMCID: PMC9965933 DOI: 10.3390/ijms24043823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 02/17/2023] Open
Abstract
Oncolytic viruses are being developed as novel strategies for cancer therapy. Our previous studies have shown that vaccinia viruses armed with marine lectins improved the antitumor efficacy in diverse cancer types. The objective of this study was to assess the cytotoxic effects of oncoVV harboring Tachypleus tridentatus lectin (oncoVV-TTL), Aphrocallistes vastus lectin (oncoVV-AVL), white-spotted charr lectin (oncoVV-WCL), and Asterina pectinifera lectin (oncoVV-APL) on HCC. Our data revealed that the effects of recombinant viruses on Hep-3B cells were oncoVV-AVL > oncoVV-APL > oncoVV-TTL > oncoVV-WCL; oncoVV-AVL showed stronger cytotoxicity than oncoVV-APL, while oncoVV-TTL/WCL had no effect on cell killing in Huh7 cells, and PLC/PRF/5 cells exhibited sensitivity to oncoVV-AVL/TTL but not to oncoVV-APL/WCL. The cytotoxicity of oncoVV-lectins could be enhanced by apoptosis and replication in a cell-type-dependent manner. Further research revealed that AVL may mediate various pathways, including MAPK, Hippo, PI3K, lipid metabolism, and androgen pathways through AMPK crosstalk, to promote oncoVV replication in HCC in a cell-dependent manner. OncoVV-APL replication could be affected by AMPK/Hippo/lipid metabolism pathways in Hep-3B cells, AMPK/Hippo/PI3K/androgen pathways in Huh7 cells, and AMPK/Hippo pathways in PLC/PRF/5 cells. OncoVV-WCL replication was also multi-mechanistic, which could be affected by AMPK/JNK/lipid metabolism pathways in Hep-3B cells, AMPK/Hippo/androgen pathways in Huh7 cells, and AMPK/JNK/Hippo pathways in PLC/PRF/5 cells. In addition, AMPK and lipid metabolism pathways may play critical roles in oncoVV-TTL replication in Hep-3B cells, and oncoVV-TTL replication in Huh7 cells may depend on AMPK/PI3K/androgen pathways. This study provides evidence for the application of oncolytic vaccinia viruses in hepatocellular carcinoma.
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Affiliation(s)
| | | | | | | | | | - Ting Ye
- Correspondence: (T.Y.); (G.L.)
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Zhou Y, Wang Q, Ying Q, Zhang X, Ye T, Chen K, Li G. A Comparative Study of Oncolytic Vaccinia Viruses Harboring Different Marine Lectins in Breast Cancer Cells. Mar Drugs 2023; 21:md21020077. [PMID: 36827118 PMCID: PMC9961806 DOI: 10.3390/md21020077] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/17/2023] [Accepted: 01/20/2023] [Indexed: 01/24/2023] Open
Abstract
Our previous studies demonstrated that arming vaccinia viruses with marine lectins enhanced the antitumor efficacy in several cancer cells. This study aims to compare the efficacy of oncolytic vaccinia viruses harboring Tachypleus tridentatus lectin (oncoVV-TTL), Aphrocallistes vastus lectin (oncoVV-AVL), white-spotted charr lectin (oncoVV-WCL), and Asterina pectinifera lectin (oncoVV-APL) in breast cancer cells (BC). These results indicated that oncoVV-AVL elicited the highest anti-tumor effect, followed by oncoVV-APL, while oncoVV-TTL and oncoVV-WCL had lower effects in BC. Further studies showed that apoptosis and replication may work together to enhance the cytotoxicity of oncoVV-lectins in a cell-type dependent manner. TTL/AVL/APL/WCL may mediate multiple pathways, including ERK, JNK, Hippo, and PI3K pathways, to promote oncoVV replication in MDA-MB-231 cells. In contrast, these pathways did not affect oncoVV-TTL/AVL/APL/WCL replication in MCF-7 cells, suggesting that the mechanisms of recombinant viruses in MCF-7 (ER+, PR+) and MDA-MB-231 (TNBC) cells were significantly different. Based on this study, we hypothesized that ER or PR may be responsible for the differences in promoting viral replication and inducing apoptosis between MCF-7 and MDA-MB-231 cells, but the specific mechanism needs to be further explored. In addition, small-molecule drugs targeting key cellular signaling pathways, including MAPK, PI3K/Akt, and Hippo, could be conjunction with oncoVV-AVL to promote breast cancer therapy, and key pathway factors in the JNK and PI3K pathways may be related to the efficacy of oncoVV-APL/TTL/WCL. This study provides a basis for applying oncolytic vaccinia virus in breast carcinoma.
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9
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Andrade FRN, Tabosa PAS, Torres RCF, Carneiro RF, Vasconcelos MA, Andrade AL, Nascimento E, Pinheiro U, Teixeira EH, Nagano CS, Sampaio AH. New lectin isolated from the tropical sponge Haliclona (Reniera) implexiformis (Hechtel, 1965) shows antibiofilm effect. AN ACAD BRAS CIENC 2023; 95:e20220379. [PMID: 37075356 DOI: 10.1590/0001-3765202320220379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 09/02/2022] [Indexed: 04/21/2023] Open
Abstract
A lectin from the marine sponge Haliclona (Reniera) implexiformis (HiL) was isolated by affinity chromatography on Sepharose™ matrix. HiL showed specificity for galactose and its derivatives. The glycoproteins porcine stomach mucin (PSM) and bovine stomach mucin (BSM) were potent inhibitors. Hemagglutinating activity of the lectin was maximal between pH 5.0 and 9.0. The lectin remained active until 60°C. The presence of CaCl2 and EDTA did not affect the hemagglutinating activity. In SDS-PAGE, HiL showed a single band of 20 kDa under reduced conditions, whereas in the non-reducing conditions, it showed a band of 20 kDa and one additional band of 36 kDa. The average molecular mass determined by Electrospray Ionization Mass Spectrometry (ESI-MS) was 35.874 ± 2 Da in native and non-reducing conditions, whereas carboxyamidomethylated-lectin showed 18,111 Da. These data indicated that HiL consists in a dimer formed by identical subunits linked by disulfide bonds. Partial amino acid sequence of HiL was determined by mass spectrometry, and revealed that it is a new type of lectin, which showed no similarity with any protein. Secondary structure consisted of 6% α-helice, 31% β-sheet, 18% β-turn and 45% random coil. HiL showed significant reduction in the number of viable cells of Staphylococcus biofilms.
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Affiliation(s)
- Francisco R N Andrade
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha (BioMar-Lab), Avenida Humberto Monte, s/n, Campus do Pici, Bloco 871, 60440-970 Fortaleza, CE, Brazil
| | - Pedro A S Tabosa
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha (BioMar-Lab), Avenida Humberto Monte, s/n, Campus do Pici, Bloco 871, 60440-970 Fortaleza, CE, Brazil
| | - Renato C F Torres
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha (BioMar-Lab), Avenida Humberto Monte, s/n, Campus do Pici, Bloco 871, 60440-970 Fortaleza, CE, Brazil
| | - Rômulo F Carneiro
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha (BioMar-Lab), Avenida Humberto Monte, s/n, Campus do Pici, Bloco 871, 60440-970 Fortaleza, CE, Brazil
| | - Mayron A Vasconcelos
- Universidade Federal do Ceará, Departamento de Patologia e Medicina Legal, Laboratório Integrado de Biomoléculas (LIBS), Rua Alexandre Baraúna, 949, Rodolfo Teófilo, 60430-160 Fortaleza, CE, Brazil
- Universidade do Estado do Rio Grande do Norte, Faculdade de Ciências Exatas e Naturais, Avenida Professor Antônio Campos, Presidente Costa e Silva, 59610-210 Mossoró, RN, Brazil
- Universidade do Estado de Minas Gerais, Unidade de Divinópolis, Avenida Paraná, 3001, Jardim Belvedere I, 35501-170 Divinópolis, MG, Brazil
| | - Alexandre L Andrade
- Universidade Federal do Ceará, Departamento de Patologia e Medicina Legal, Laboratório Integrado de Biomoléculas (LIBS), Rua Alexandre Baraúna, 949, Rodolfo Teófilo, 60430-160 Fortaleza, CE, Brazil
| | - Elielton Nascimento
- Universidade Federal de Pernambuco, Laboratório de Porífera, Avenida Prof. Moraes Rego, 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | - Ulisses Pinheiro
- Universidade Federal de Pernambuco, Laboratório de Porífera, Avenida Prof. Moraes Rego, 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | - Edson H Teixeira
- Universidade Federal do Ceará, Departamento de Patologia e Medicina Legal, Laboratório Integrado de Biomoléculas (LIBS), Rua Alexandre Baraúna, 949, Rodolfo Teófilo, 60430-160 Fortaleza, CE, Brazil
| | - Celso S Nagano
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha (BioMar-Lab), Avenida Humberto Monte, s/n, Campus do Pici, Bloco 871, 60440-970 Fortaleza, CE, Brazil
| | - Alexandre H Sampaio
- Universidade Federal do Ceará, Departamento de Engenharia de Pesca, Laboratório de Biotecnologia Marinha (BioMar-Lab), Avenida Humberto Monte, s/n, Campus do Pici, Bloco 871, 60440-970 Fortaleza, CE, Brazil
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10
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Ahmmed MK, Bhowmik S, Giteru SG, Zilani MNH, Adadi P, Islam SS, Kanwugu ON, Haq M, Ahmmed F, Ng CCW, Chan YS, Asadujjaman M, Chan GHH, Naude R, Bekhit AEDA, Ng TB, Wong JH. An Update of Lectins from Marine Organisms: Characterization, Extraction Methodology, and Potential Biofunctional Applications. Mar Drugs 2022; 20:md20070430. [PMID: 35877723 PMCID: PMC9316650 DOI: 10.3390/md20070430] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 06/26/2022] [Accepted: 06/27/2022] [Indexed: 02/07/2023] Open
Abstract
Lectins are a unique group of nonimmune carbohydrate-binding proteins or glycoproteins that exhibit specific and reversible carbohydrate-binding activity in a non-catalytic manner. Lectins have diverse sources and are classified according to their origins, such as plant lectins, animal lectins, and fish lectins. Marine organisms including fish, crustaceans, and mollusks produce a myriad of lectins, including rhamnose binding lectins (RBL), fucose-binding lectins (FTL), mannose-binding lectin, galectins, galactose binding lectins, and C-type lectins. The widely used method of extracting lectins from marine samples is a simple two-step process employing a polar salt solution and purification by column chromatography. Lectins exert several immunomodulatory functions, including pathogen recognition, inflammatory reactions, participating in various hemocyte functions (e.g., agglutination), phagocytic reactions, among others. Lectins can also control cell proliferation, protein folding, RNA splicing, and trafficking of molecules. Due to their reported biological and pharmaceutical activities, lectins have attracted the attention of scientists and industries (i.e., food, biomedical, and pharmaceutical industries). Therefore, this review aims to update current information on lectins from marine organisms, their characterization, extraction, and biofunctionalities.
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Affiliation(s)
- Mirja Kaizer Ahmmed
- Department of Food Sciences, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand or (M.K.A.); (S.G.G.); (P.A.)
- Department of Fishing and Post-Harvest Technology, Faculty of Fisheries, Chittagong Veterinary and Animal Sciences University, Chittagong 4225, Bangladesh
| | - Shuva Bhowmik
- Centre for Bioengineering and Nanomedicine, Faculty of Dentistry, Division of Health Sciences, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand;
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Stephen G. Giteru
- Department of Food Sciences, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand or (M.K.A.); (S.G.G.); (P.A.)
- Alliance Group Limited, Invercargill 9840, New Zealand
| | - Md. Nazmul Hasan Zilani
- Department of Pharmacy, Jashore University of Science and Technology, Jashore 7408, Bangladesh;
| | - Parise Adadi
- Department of Food Sciences, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand or (M.K.A.); (S.G.G.); (P.A.)
| | - Shikder Saiful Islam
- Institute for Marine and Antarctic Studies, University of Tasmania, Launceston 7250, Australia;
- Fisheries and Marine Resource Technology Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh
| | - Osman N. Kanwugu
- Institute of Chemical Engineering, Ural Federal University, Mira Street 28, 620002 Yekaterinburg, Russia;
| | - Monjurul Haq
- Department of Fisheries and Marine Bioscience, Jashore University of Science and Technology, Jashore 7408, Bangladesh;
| | - Fatema Ahmmed
- Department of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand;
| | | | - Yau Sang Chan
- Department of Obstetrics & Gynaecology, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China;
| | - Md. Asadujjaman
- Department of Aquaculture, Faculty of Fisheries and Ocean Sciences, Khulna Agricultural University, Khulna 9100, Bangladesh;
| | - Gabriel Hoi Huen Chan
- Division of Science, Engineering and Health Studies, College of Professional and Continuing Education, The Hong Kong Polytechnic University, Hong Kong, China;
| | - Ryno Naude
- Department of Biochemistry and Microbiology, Nelson Mandela University, Port Elizabeth 6031, South Africa;
| | - Alaa El-Din Ahmed Bekhit
- Department of Food Sciences, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand or (M.K.A.); (S.G.G.); (P.A.)
- Correspondence: (A.E.-D.A.B.); (J.H.W.)
| | - Tzi Bun Ng
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China;
| | - Jack Ho Wong
- School of Health Sciences, Caritas Institute of Higher Education, Hong Kong, China
- Correspondence: (A.E.-D.A.B.); (J.H.W.)
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11
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Oncolytic Vaccinia Virus Harboring Aphrocallistes vastus Lectin Inhibits the Growth of Hepatocellular Carcinoma Cells. Mar Drugs 2022; 20:md20060378. [PMID: 35736181 PMCID: PMC9230886 DOI: 10.3390/md20060378] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 05/29/2022] [Accepted: 06/01/2022] [Indexed: 02/04/2023] Open
Abstract
Oncolytic vaccinia virus has been developed as a novel cancer therapeutic drug in recent years. Our previous studies demonstrated that the antitumor effect of oncolytic vaccina virus harboring Aphrocallistes vastus lectin (oncoVV-AVL) was significantly enhanced in several cancer cells. In the present study, we investigated the underlying mechanisms of AVL that affect virus replication and promote the antitumor efficacy of oncolytic virus in hepatocellular carcinoma (HCC). Our results showed that oncoVV-AVL markedly exhibited antitumor effects in both hepatocellular carcinoma cell lines and a xenograft mouse model. Further investigation illustrated that oncoVV-AVL could activate tumor immunity by upregulating the expression of type I interferons and enhance virus replication by inhibiting ISRE mediated viral defense response. In addition, we inferred that AVL promoted the ability of virus replication by regulating the PI3K/Akt, MAPK/ERK, and Hippo/MST pathways through cross-talk Raf-1, as well as metabolism-related pathways. These findings provide a novel perspective for the exploitation of marine lectins in oncolytic therapy.
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12
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Fonseca VJA, Braga AL, Filho JR, Teixeira CS, da Hora GCA, Morais-Braga MFB. A review on the antimicrobial properties of lectins. Int J Biol Macromol 2022; 195:163-178. [PMID: 34896466 DOI: 10.1016/j.ijbiomac.2021.11.209] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/26/2021] [Accepted: 11/30/2021] [Indexed: 11/27/2022]
Abstract
Lectins are biologically versatile biomolecules with remarkable antimicrobial effects, notably against bacteria, fungi and protozoa, in addition to modulating host immunity. For this, the lectins bind to carbohydrates on the surface of the pathogen, which can cause damage to the cell wall and prevent the attachment of microorganisms to host cells. Thus, this study intends to review the biological activities of lectins, with an emphasis on antimicrobial activity. Lectins of plant stood out for its antimicrobial effects, demonstrating that they act against a variety of strains, where in vitro were able to inhibit their development and affect their morphology. In vivo, they modulated host immunity, signaling and activating defense cells. Some of these lectins were capable to modulate the action of antibiotics, indicating their potential to minimize the antibiotic resistance. The results suggest that lectins have antimicrobial activity with potential to be used in drug development.
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Affiliation(s)
- Victor Juno Alencar Fonseca
- Laboratório de Micologia Aplicada do Cariri - LMAC, Universidade Regional do Cariri - URCA, Crato, CE, Brazil
| | - Ana Lays Braga
- Laboratório de Micologia Aplicada do Cariri - LMAC, Universidade Regional do Cariri - URCA, Crato, CE, Brazil
| | - Jaime Ribeiro Filho
- Laboratório de Investigação em Genética e Hematologia Translacional, Instituto Gonçalo Moniz (IGM), Fundação Oswaldo Cruz (Fiocruz), Salvador, Brazil
| | - Claudener Souza Teixeira
- Centro de Ciências Agrárias e da Biodiversidade, Universidade Federal do Cariri, Crato, CE, Brazil
| | - Gabriel C A da Hora
- Department of Chemistry, University of Utah, Salt Lake City, UT 84112-0850, USA
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13
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Santos VF, Costa MS, Campina FF, Rodrigues RR, Santos ALE, Pereira FM, Batista KLR, Silva RC, Pereira RO, Rocha BAM, Coutinho HDM, Teixeira CS. The Galactose-Binding Lectin Isolated from Vatairea macrocarpa Seeds Enhances the Effect of Antibiotics Against Staphylococcus aureus-Resistant Strain. Probiotics Antimicrob Proteins 2021; 12:82-90. [PMID: 30737650 DOI: 10.1007/s12602-019-9526-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The use of natural products together with standard antimicrobial drugs has recently received more attention as a strategy to combat infectious diseases caused by multidrug-resistant (MDR) microorganisms. This study aimed to evaluate the capacity of a galactose-binding lectin from Vatairea macrocarpa seeds (VML) to modulate antibiotic activity against standard and MDR Staphylococcus aureus and Escherichia coli bacterial strains. The minimum inhibitory concentration (MIC) obtained for VML against all strains was not clinically relevant (MIC ≥ 1024 μg/mL). However, when VML was combined with the antibacterial drugs gentamicin, norfloxacin and penicillin, a significant increase in antibiotic activity was observed against S. aureus, whereas the combination of VML and norfloxacin presented decreased and, hence, antagonistic antibiotic activity against E. coli. By its inhibition of hemagglutinating activity, gentamicin (MIC = 50 mM) revealed its interaction with the carbohydrate-binding site (CBS) of VML. Using molecular docking, it was found that gentamicin interacts with residues that constitute the CBS of VML with a score of - 120.79 MDS. It is this interaction between the antibiotic and the lectin's CBS that may be responsible for the enhanced activity of gentamicin in S. aureus. Thus, our results suggest that the VML can be an effective modulating agent against S. aureus. This is the first study to report the effect of lectins as modulators of bacterial sensitivity, and as such, the outcome of this study could lay the groundwork for future research involving the use of lectins and conventional antibiotics against such infectious diseases such as community-acquired methicillin-resistant S. aureus (MRSA).
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Affiliation(s)
- Valdenice F Santos
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Campus Chapadinha S/N, Chapadinha, Maranhão, 65500-000, Brazil
| | - Maria S Costa
- Departamento de Química Biológica, Universidade Regional do Cariri, Crato, Ceará, Brazil
| | - Fábia F Campina
- Departamento de Química Biológica, Universidade Regional do Cariri, Crato, Ceará, Brazil
| | - Renato R Rodrigues
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Campus Chapadinha S/N, Chapadinha, Maranhão, 65500-000, Brazil
| | - Ana L E Santos
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Campus Chapadinha S/N, Chapadinha, Maranhão, 65500-000, Brazil
| | - Felipe M Pereira
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Campus Chapadinha S/N, Chapadinha, Maranhão, 65500-000, Brazil
| | - Karla L R Batista
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Campus Chapadinha S/N, Chapadinha, Maranhão, 65500-000, Brazil
| | - Rafael C Silva
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Campus Chapadinha S/N, Chapadinha, Maranhão, 65500-000, Brazil
| | - Raquel O Pereira
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Campus Chapadinha S/N, Chapadinha, Maranhão, 65500-000, Brazil
| | - Bruno A M Rocha
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Fortaleza, Ceará, Brazil
| | - Henrique D M Coutinho
- Departamento de Química Biológica, Universidade Regional do Cariri, Crato, Ceará, Brazil
| | - Claudener S Teixeira
- Centro de Ciências Agrárias e Ambientais, Universidade Federal do Maranhão, Campus Chapadinha S/N, Chapadinha, Maranhão, 65500-000, Brazil.
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14
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Anteneh YS, Yang Q, Brown MH, Franco CMM. Antimicrobial Activities of Marine Sponge-Associated Bacteria. Microorganisms 2021; 9:171. [PMID: 33466936 PMCID: PMC7830929 DOI: 10.3390/microorganisms9010171] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 01/11/2021] [Indexed: 11/17/2022] Open
Abstract
The misuse and overuse of antibiotics have led to the emergence of multidrug-resistant microorganisms, which decreases the chance of treating those infected with existing antibiotics. This resistance calls for the search of new antimicrobials from prolific producers of novel natural products including marine sponges. Many of the novel active compounds reported from sponges have originated from their microbial symbionts. Therefore, this study aims to screen for bioactive metabolites from bacteria isolated from sponges. Twelve sponge samples were collected from South Australian marine environments and grown on seven isolation media under four incubation conditions; a total of 1234 bacterial isolates were obtained. Of these, 169 bacteria were tested in media optimized for production of antimicrobial metabolites and screened against eleven human pathogens. Seventy bacteria were found to be active against at least one test bacterial or fungal pathogen, while 37% of the tested bacteria showed activity against Staphylococcus aureus including methicillin-resistant strains and antifungal activity was produced by 21% the isolates. A potential novel active compound was purified possessing inhibitory activity against S. aureus. Using 16S rRNA, the strain was identified as Streptomyces sp. Our study highlights that the marine sponges of South Australia are a rich source of abundant and diverse bacteria producing metabolites with antimicrobial activities against human pathogenic bacteria and fungi.
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Affiliation(s)
- Yitayal S. Anteneh
- College of Medicine and Public Health, Flinders University, Bedford Park, SA 5042, Australia;
- Department of Medical Microbiology, College of Medicine, Addis Ababa University, Addis Ababa 9086, Ethiopia
| | - Qi Yang
- Center for Marine Drugs, State Key Laboratory of Oncogene and Related Genes, Department of Pharmacy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China;
- Centre for Marine Bioproducts Development, College of Medicine and Public Health, Flinders University, Bedford Park, SA 5042, Australia
| | - Melissa H. Brown
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia;
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15
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Marine Organisms from the Yucatan Peninsula (Mexico) as a Potential Natural Source of Antibacterial Compounds. Mar Drugs 2020; 18:md18070369. [PMID: 32708418 PMCID: PMC7404059 DOI: 10.3390/md18070369] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/10/2020] [Accepted: 07/15/2020] [Indexed: 01/15/2023] Open
Abstract
A total of 51 sponges (Porifera) and 13 ascidians (Chordata) were collected on the coast of the Yucatan Peninsula (Mexico) and extracted with organic solvents. The resulting extracts were screened for antibacterial activity against four multidrug-resistant (MDR) bacterial pathogens: the Gram-negative Acinetobacter baumannii, Klebsiella pneumoniae, and Pseudomonas aeruginosa and the Gram-positive Staphylococcus aureus. The minimum inhibitory concentrations (MICs) of the organic extracts of each marine organism were determined using a broth microdilution assay. Extracts of eight of the species, in particular the Agelas citrina and Haliclona (Rhizoniera) curacaoensis, displayed activity against some of the pathogens tested. Some of the extracts showed similar MIC values to known antibiotics such as penicillins and aminoglycosides. This study is the first to carry out antimicrobial screening of extracts of marine sponges and ascidians collected from the Yucatan Peninsula. Bioassay-guided fractionation of the active extracts from the sponges Amphimedon compressa and A. citrina displayed, as a preliminary result, that an inseparable mixture of halitoxins and amphitoxins and (-)-agelasine B, respectively, are the major compounds responsible for their corresponding antibacterial activities. This is the first report of the antimicrobial activity of halitoxins and amphitoxins against major multidrug-resistant human pathogens. The promising antibacterial activities detected in this study indicate the coast of Yucatan Peninsula as a potential source of a great variety of marine organisms worthy of further research.
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16
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Hao K, Meng R, Bu X, Liu Z, Yan H, Zhang Y, Guo NA. Antibacterial Effect of Caprylic Acid and Potassium Sorbate in Combination against Listeria monocytogenes ATCC 7644. J Food Prot 2020; 83:920-927. [PMID: 32428934 DOI: 10.4315/0362-028x.jfp-19-458] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 12/14/2019] [Indexed: 11/11/2022]
Abstract
ABSTRACT Listeria monocytogenes is a common foodborne pathogen that cause life-threatening infection with high mortality rates. Biofilm development of L. monocytogenes decreases its sensitivity to antibiotics, which has long attracted attention globally. Caprylic acid (CA) and potassium sorbate (PS) are both widely used food preservatives, but their synergistic effect against L. monocytogenes has not been described. This study explored the antibacterial activities of the CA-PS combination against L. monocytogenes ATCC 7644 grown in planktonic or biofilm cultures. The fractional inhibitory concentration index values, determined by the checkerboard microdilution method, were 0.37 ± 0.03 and 0.31 ± 0.04, showing their synergistic antimicrobial effects against L. monocytogenes ATCC 7644 in planktonic and biofilm cultures, respectively. CA-PS effectively eradicated the biofilm biomass to 10.8% by crystal violet assay and to 8.63% by fluorescence microscopic analysis compared with the control. The apoptosis rates of microbial cells embedded within biofilm significantly increased to 51.4%. Subsequent analysis revealed that the combination inhibited biofilm formation by affecting extracellular DNA release and polysaccharide intercellular adhesion expression, which was decreased from 8.93 to 1.04 ng of extracellular DNA per relative biomass and to 54.7% of the control, respectively. In addition, the combination inhibited the growth of L. monocytogenes ATCC 7644 by up to 0.67 ± 0.05 and 0.30 ± 0.03 log CFU/cm2 in planktonic and biofilm modes on a carrot surface, respectively. The synergistic antibacterial effects of CA-PS against L. monocytogenes ATCC 7644 were statistically significant, and the combination is an excellent candidate to be a novel food preservative. HIGHLIGHTS
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Affiliation(s)
- Kun Hao
- College of Food Science and Engineering, Jilin University, 130062 Changchun, People's Republic of China
| | - Rizeng Meng
- Jilin Entry-exit Inspection and Quarantine Bureau, 130062 Changchun, People's Republic of China
| | - Xiujuan Bu
- College of Food Science and Engineering, Jilin University, 130062 Changchun, People's Republic of China
| | - Zonghui Liu
- College of Food Science and Engineering, Jilin University, 130062 Changchun, People's Republic of China
| | - Haiyang Yan
- College of Food Science and Engineering, Jilin University, 130062 Changchun, People's Republic of China
| | - Yan Zhang
- College of Food Science and Engineering, Jilin University, 130062 Changchun, People's Republic of China
| | - N A Guo
- College of Food Science and Engineering, Jilin University, 130062 Changchun, People's Republic of China
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17
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Marine Biocompounds for Neuroprotection-A Review. Mar Drugs 2020; 18:md18060290. [PMID: 32486409 PMCID: PMC7344849 DOI: 10.3390/md18060290] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 05/26/2020] [Accepted: 05/28/2020] [Indexed: 12/12/2022] Open
Abstract
While terrestrial organisms are the primary source of natural products, recent years have witnessed a considerable shift towards marine-sourced biocompounds. They have achieved a great scientific interest due to the plethora of compounds with structural and chemical properties generally not found in terrestrial products, exhibiting significant bioactivity ten times higher than terrestrial-sourced molecules. In addition to the antioxidant, anti-thrombotic, anti-coagulant, anti-inflammatory, anti-proliferative, anti-hypertensive, anti-diabetic, and cardio-protection properties, marine-sourced biocompounds have been investigated for their neuroprotective potential. Thus, this review aims to describe the recent findings regarding the neuroprotective effects of the significant marine-sourced biocompounds.
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18
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A new mucin-binding lectin from the marine sponge Aplysina fulva (AFL) exhibits antibiofilm effects. Arch Biochem Biophys 2019; 662:169-176. [DOI: 10.1016/j.abb.2018.12.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 12/04/2018] [Accepted: 12/11/2018] [Indexed: 01/29/2023]
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19
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Hasan I, Ozeki Y. Histochemical localization of N-acetylhexosamine-binding lectin HOL-18 in Halichondria okadai (Japanese black sponge), and its antimicrobial and cytotoxic anticancer effects. Int J Biol Macromol 2018; 124:819-827. [PMID: 30496858 DOI: 10.1016/j.ijbiomac.2018.11.222] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 11/25/2018] [Accepted: 11/25/2018] [Indexed: 10/27/2022]
Abstract
We studied localization and physiological activities of a lectin showing specific binding to N-acetylhexosamines, termed HOL-18, purified from Japanese black sponge (Halichondria okadai). Antiserum against the lectin was generated in rabbit and applied for immunohistochemical analyses. HOL-18 was expressed specifically around water pores and on spicules of sponge tissues. It showed strong binding to a variety of N-acetylhexosamines: N-acetyl D-glucosamine, N-acetyl D-galactosamine, N-acetyl mannosamine, N-acetyl muramic acid, and N-acetyl neuraminic acid. Hemagglutination induced by the lectin was inhibited by lipopolysaccharides and a peptidoglycan. HOL-18 inhibited growth of a gram-positive bacterium (Listeria monocytogenes), gram-negative bacteria (Escherichia coli, Shigella boydii, Pseudomonas aeruginosa), and a fungus (Aspergillus niger). It displayed anti-biofilm activity against P. aeruginosa. HOL-18 was internalized into conidiophores of A. niger, and displayed notable antifungal activity. Fluorescence microscopy revealed binding and incorporation of the lectin into human cancer cell lines HeLa, MCF-7, and T47D, but not Caco-2. HOL-18 displayed dose-dependent cytotoxic effects against HeLa, MCF-7, and T47D, with respective IC50 values 40, 52, and 63 μg/mL. In HeLa cells, it activated phosphorylation of MAPK pathway molecule (ERK1/2) and activated caspase-3 to trigger apoptosis. HOL-18 thus has the potential to upregulate metabolic pathways in higher animal cells through binding to N-acetylhexosamines.
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Affiliation(s)
- Imtiaj Hasan
- Laboratory of Glycobiology and Marine Biochemistry, Department of Life and Environmental System Science, Graduate School of NanoBiosciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan; Department of Biochemistry and Molecular Biology, Faculty of Science, University of Rajshahi, Rajshahi 6205, Bangladesh.
| | - Yasuhiro Ozeki
- Laboratory of Glycobiology and Marine Biochemistry, Department of Life and Environmental System Science, Graduate School of NanoBiosciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan.
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