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Wang J, Gao WB, Liu FW, Liu Q, Song B, Ye J, Chen Y, Zhao CL, Dong W, Guo LN, Song B. Two new furanone derivatives from the endophytic fungus Byssochlamys sp. and their cytotoxic activities. Nat Prod Res 2024; 38:4292-4296. [PMID: 37888852 DOI: 10.1080/14786419.2023.2275269] [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: 07/19/2023] [Revised: 10/10/2023] [Accepted: 10/20/2023] [Indexed: 10/28/2023]
Abstract
Two new furanone derivatives, byssochlanones A-B (1-2) were purified from the endophytic fungus Byssochlamys sp. isolated from the wetland plant, Phragmites australis. Their structures were elucidated on the basis of extensive spectroscopic analyses. Compounds 1-2 represented typical furanone analogues which are not common in natural products. The absolute configuration of compounds 1-2 were identified through quantum-chemical electronic circular dichroism (ECD) calculation compared with their experimental CD. In addition, compounds 1-2 were tested for their cytotoxic activities against HCT-8 and Hela cancer cell lines, and compound 2 showed moderate activity against HCT-8 cells with IC50 value of 21.3 μM.
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Affiliation(s)
- Jie Wang
- The Second Affiliated Hospital, Qiqihar Medical University, Qiqihar, P.R. China
| | - Wen-Bin Gao
- College of Life Science, Cangzhou Normal University, Hebei, P.R. China
| | - Fan-Wei Liu
- Pharmacy School, Qiqihar Medical University, Qiqihar, P.R. China
| | - Qi Liu
- Pharmacy School, Qiqihar Medical University, Qiqihar, P.R. China
| | - Bo Song
- Medical Technology Department, Qiqihar Medical University, Qiqihar, P.R. China
| | - Jin Ye
- Pharmacy School, Qiqihar Medical University, Qiqihar, P.R. China
| | - Ying Chen
- Medical Technology Department, Qiqihar Medical University, Qiqihar, P.R. China
| | - Cai-Lin Zhao
- Pharmacy School, Qiqihar Medical University, Qiqihar, P.R. China
| | - Wei Dong
- Pharmacy School, Qiqihar Medical University, Qiqihar, P.R. China
| | - Li-Na Guo
- Pharmacy School, Qiqihar Medical University, Qiqihar, P.R. China
| | - Bo Song
- Pharmacy School, Qiqihar Medical University, Qiqihar, P.R. China
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Xie Q, Jia Y, Tao J, Bu T, Wang Q, Shen N, Zhang X, Xiao Y, Ye L, Chen Z, Huang H, Li Q, Tang Z. Chemical constituents and biological activities of endophytic fungi from Fagopyrum dibotrys. PeerJ 2024; 12:e18529. [PMID: 39575167 PMCID: PMC11580677 DOI: 10.7717/peerj.18529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2024] [Accepted: 10/24/2024] [Indexed: 11/24/2024] Open
Abstract
Background Fagopyrum dibotrys is an important wild food and feed germplasm resource. It has high nutritional and medicinal value and is rich in natural products, including flavonoids, phenolic acids, coumarins, and alkaloids. Endophytic fungi in F. dibotrys have emerged as valuable sources of natural products. However, studies on the biological activity and chemical composition of these endophytic fungi remain limited. Methods In this paper, a new method to obtain natural active ingredients by fermentation of endophytic fungi from medicinal plants was proposed. Then the antioxidant and pathogenic activities of the endophytic fungi extracts were determined in vitro. In addition, secondary metabolites produced by endophytic fungi with medicinal activity were analyzed by high performance liquid chromatography-tandem mass spectrometry (LC-MS). Results Among the 95 endophytic fungal strains in F. dibotrys, four strains with high phenol yields were selected by reaction: Alternaria alstroemeriae (J2), Fusarium oxysporum (J15), Colletotrichum karsti (J74), and Colletotrichum boninense (J61). Compared with those of various extracts, the ethyl acetate fractions of A. alstroemeriae (J2), F. oxysporum (J15), and C. boninense (J61) exhibited superior antioxidant and antibacterial properties. The results indicated that the fungal extract was an excellent natural antioxidant and might be a potential antibacterial agent. The DPPH free radical clearance of A. alstroemeriae was 94.96 ± 0.004%. These findings indicated that A. alstroemeriae had strong antioxidant activity. In addition, the extract of A. alstroemeriae had good antibacterial activity against Escherichia coli and Staphylococcus aureus, with MICs of 0.5 and 0.05 mg/mL, respectively. The chemical constituents of the ethyl acetate extract from A. alstroemeriae were further analyzed by liquid chromatography-mass spectrometry (LC-MS). We noted that A. alstroemeriae can create a variety of medicinal substances that have high value in medicine, such as caffeic acid (884.75 ng/mL), 3-phenyllactic acid (240.72 ng/mL) and norlichexanthone (74.36 ng/mL). Discussion In summary, many valuable active substances and medicinal substances can be obtained through the study of endophytic fungi of F. dibotrys.
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Affiliation(s)
- Qiqi Xie
- College of Life Science, Sichuan Agricultural University, Ya’an, Sichuan, China
| | - Yujie Jia
- College of Life Science, Sichuan Agricultural University, Ya’an, Sichuan, China
| | - Jiwen Tao
- College of Life Science, Sichuan Agricultural University, Ya’an, Sichuan, China
| | - Tongliang Bu
- College of Life Science, Sichuan Agricultural University, Ya’an, Sichuan, China
| | - Qing Wang
- College of Life Science, Sichuan Agricultural University, Ya’an, Sichuan, China
| | - Nayu Shen
- College of Life Science, Sichuan Agricultural University, Ya’an, Sichuan, China
| | - Xinyu Zhang
- College of Life Science, Sichuan Agricultural University, Ya’an, Sichuan, China
| | - Yirong Xiao
- Sichuan Agricultural University Hospital, Sichuan Agricultural University, Ya’an, Sichuan, China
| | - Lin Ye
- College of Animal Science and Technology, Sichuan Agricultural University, Cheng’du, Sichuan, China
| | - Zhao Chen
- Ya’an People’s Hospital, Ya’an People’s Hospital, Ya’an, Sichuan, China
| | - Huahai Huang
- Da’zhu Institute of Scientific and Technical Information, Unaffiliated, Da’zhu, Sichuan, China
| | - Qingfeng Li
- College of Life Science, Sichuan Agricultural University, Ya’an, Sichuan, China
| | - Zizhong Tang
- College of Life Science, Sichuan Agricultural University, Ya’an, Sichuan, China
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Kim W, Park Y, Jung J, Jeon CO, Toyofuku M, Lee J, Park W. Biological and Chemical Approaches for Controlling Harmful Microcystis Blooms. J Microbiol 2024; 62:249-260. [PMID: 38587591 DOI: 10.1007/s12275-024-00115-2] [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: 12/26/2023] [Revised: 01/16/2024] [Accepted: 01/17/2024] [Indexed: 04/09/2024]
Abstract
The proliferation of harmful cyanobacterial blooms dominated by Microcystis aeruginosa has become an increasingly serious problem in freshwater ecosystems due to climate change and eutrophication. Microcystis-blooms in freshwater generate compounds with unpleasant odors, reduce the levels of dissolved O2, and excrete microcystins into aquatic ecosystems, potentially harming various organisms, including humans. Various chemical and biological approaches have thus been developed to mitigate the impact of the blooms, though issues such as secondary pollution and high economic costs have not been adequately addressed. Red clays and H2O2 are conventional treatment methods that have been employed worldwide for the mitigation of the blooms, while novel approaches, such as the use of plant or microbial metabolites and antagonistic bacteria, have also recently been proposed. Many of these methods rely on the generation of reactive oxygen species, the inhibition of photosynthesis, and/or the disruption of cellular membranes as their mechanisms of action, which may also negatively impact other freshwater microbiota. Nevertheless, the underlying molecular mechanisms of anticyanobacterial chemicals and antagonistic bacteria remain unclear. This review thus discusses both conventional and innovative approaches for the management of M. aeruginosa in freshwater bodies.
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Affiliation(s)
- Wonjae Kim
- Laboratory of Molecular Environmental Microbiology, Department of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Yerim Park
- Laboratory of Molecular Environmental Microbiology, Department of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Jaejoon Jung
- Department of Life Science, Chung-Ang University, Seoul, 02841, Republic of Korea
| | - Che Ok Jeon
- Department of Life Science, Chung-Ang University, Seoul, 02841, Republic of Korea
| | - Masanori Toyofuku
- Department of Life and Environmental Sciences, University of Tsukuba, Tsukuba, 305-0006, Japan
| | - Jiyoung Lee
- Division of Environmental Health Sciences, College of Public Health, The Ohio State University, Columbus, OH, 43210, USA
- Department of Food Science and Technology, The Ohio State University, Columbus, OH, 43210, USA
| | - Woojun Park
- Laboratory of Molecular Environmental Microbiology, Department of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea.
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de Melo Pereira DÍ, Gurgel RS, de Souza ATF, Matias RR, de Souza Falcão L, Chaves FCM, da Silva GF, Martínez JG, de Lima Procópio RE, Fantin C, Albuquerque PM. Isolation and Identification of Pigment-Producing Endophytic Fungi from the Amazonian Species Fridericia chica. J Fungi (Basel) 2024; 10:77. [PMID: 38276023 PMCID: PMC10821134 DOI: 10.3390/jof10010077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/04/2024] [Accepted: 01/16/2024] [Indexed: 01/27/2024] Open
Abstract
Pigments of fungal origin have aroused increasing interest in the food dye and cosmetic industries since the global demand for natural dyes has grown. Endophytic microorganisms are a source of bioactive compounds, and Amazonian plant species can harbor fungi with a wide range of biotechnological applications. Popularly known in Brazil as crajiru, Fridericia chica is a medicinal plant that produces a red pigment. In this study, a total of 121 fungi were isolated in potato dextrose agar from three plants. We identified nine pigment-producing endophytic fungi isolated from branches and leaves of F. chica. The isolates that showed pigment production in solid media were molecularly identified via multilocus analysis as Aspergillus welwitschiae, A. sydowii, Curvularia sp., Diaporthe cerradensis (two strains), Hypoxylon investiens, Neoscytalidium sp. (two strains) and Penicillium rubens. These isolates were subjected to submerged fermentation in two culture media to obtain metabolic extracts. The extracts obtained were analyzed in terms of their absorbance between 400 and 700 nm. The pigmented extract produced by H. investiens in medium containing yeast extract showed maximum absorbance in the red absorption range (UA700 = 0.550) and significant antioxidant and antimicrobial activity. This isolate can thus be considered a new source of extracellular pigment.
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Affiliation(s)
- Dorothy Ívila de Melo Pereira
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia, Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus 69050-010, Brazil; (D.Í.d.M.P.); (R.S.G.)
- Grupo de Pesquisa Química Aplicada à Tecnologia, Escola Superior de Tecnologia, Universidade do Estado do Amazonas, Manaus 69050-020, Brazil; (A.T.F.d.S.); (R.R.M.); (L.d.S.F.); (R.E.d.L.P.)
| | - Raiana Silveira Gurgel
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia, Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus 69050-010, Brazil; (D.Í.d.M.P.); (R.S.G.)
- Grupo de Pesquisa Química Aplicada à Tecnologia, Escola Superior de Tecnologia, Universidade do Estado do Amazonas, Manaus 69050-020, Brazil; (A.T.F.d.S.); (R.R.M.); (L.d.S.F.); (R.E.d.L.P.)
| | - Anne Terezinha Fernandes de Souza
- Grupo de Pesquisa Química Aplicada à Tecnologia, Escola Superior de Tecnologia, Universidade do Estado do Amazonas, Manaus 69050-020, Brazil; (A.T.F.d.S.); (R.R.M.); (L.d.S.F.); (R.E.d.L.P.)
- Programa de Pós-Graduação em Biotecnologia e Recursos Naturais da Amazônia, Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus 69050-010, Brazil;
| | - Rosiane Rodrigues Matias
- Grupo de Pesquisa Química Aplicada à Tecnologia, Escola Superior de Tecnologia, Universidade do Estado do Amazonas, Manaus 69050-020, Brazil; (A.T.F.d.S.); (R.R.M.); (L.d.S.F.); (R.E.d.L.P.)
| | - Lucas de Souza Falcão
- Grupo de Pesquisa Química Aplicada à Tecnologia, Escola Superior de Tecnologia, Universidade do Estado do Amazonas, Manaus 69050-020, Brazil; (A.T.F.d.S.); (R.R.M.); (L.d.S.F.); (R.E.d.L.P.)
| | | | | | - José Gregorio Martínez
- Grupo de Investigación Biociencias, Institución Universitaria Colegio Mayor de Antioquia, Medellin 050001, Colombia;
| | - Rudi Emerson de Lima Procópio
- Grupo de Pesquisa Química Aplicada à Tecnologia, Escola Superior de Tecnologia, Universidade do Estado do Amazonas, Manaus 69050-020, Brazil; (A.T.F.d.S.); (R.R.M.); (L.d.S.F.); (R.E.d.L.P.)
- Programa de Pós-Graduação em Biotecnologia e Recursos Naturais da Amazônia, Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus 69050-010, Brazil;
| | - Cleiton Fantin
- Programa de Pós-Graduação em Biotecnologia e Recursos Naturais da Amazônia, Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus 69050-010, Brazil;
- Programa Multicêntrico de Pós-Graduação em Bioquímica e Biologia Molecular, Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus 69050-010, Brazil
| | - Patrícia Melchionna Albuquerque
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia, Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus 69050-010, Brazil; (D.Í.d.M.P.); (R.S.G.)
- Grupo de Pesquisa Química Aplicada à Tecnologia, Escola Superior de Tecnologia, Universidade do Estado do Amazonas, Manaus 69050-020, Brazil; (A.T.F.d.S.); (R.R.M.); (L.d.S.F.); (R.E.d.L.P.)
- Programa de Pós-Graduação em Biotecnologia e Recursos Naturais da Amazônia, Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus 69050-010, Brazil;
- Programa Multicêntrico de Pós-Graduação em Bioquímica e Biologia Molecular, Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus 69050-010, Brazil
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Arslan NP, Dawar P, Albayrak S, Doymus M, Azad F, Esim N, Taskin M. Fungi-derived natural antioxidants. Crit Rev Food Sci Nutr 2023:1-24. [PMID: 38156661 DOI: 10.1080/10408398.2023.2298770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
In humans, exogenous antioxidants aid the endogenous antioxidant system to detoxify excess ROS generated during oxidative stress, thereby protecting the body against various diseases and stressful conditions. The majority of natural antioxidants available on the consumer market are plant-based; however, fungi are being recognized as alternative sources of various natural antioxidants such as polysaccharides, pigments, peptides, sterols, phenolics, alkaloids, and flavonoids. In addition, some exogenous antioxidants are exclusively found in fungi. Fungi-derived antioxidants exhibit scavenging activities against DPPH, ABTS, hydroxyl, superoxide, hydrogen peroxide, and nitric oxide radicals in vitro. Furthermore, in vivo models, application of fungal-derived antioxidants increase the level of various antioxidant enzymes, such as catalases, superoxide dismutases, and glutathione peroxidases, and reduce the level of malondialdehyde. Therefore, fungi-derived antioxidants have potential to be used in the food, cosmetic, and pharmaceutical industries. This review summarizes the antioxidant potential of different fungi (mushrooms, yeasts, and molds)-derived natural compounds such as polysaccharides, pigments, peptides, ergothioneine, ergosterol, phenolics, alkaloids, etc.
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Affiliation(s)
| | - Pranav Dawar
- Department of Biological Sciences, Texas Tech University, Lubbock, TX, USA
| | - Seyda Albayrak
- Department of Molecular Biology and Genetics, Science Faculty, Ataturk University, Erzurum, Turkey
| | - Meryem Doymus
- Vocational School of Health Services of Hinis, Ataturk University, Erzurum, Turkey
| | - Fakhrul Azad
- Department of Biochemistry and Cell Biology, Chobanian and Avedisian School of Medicine, Boston University, Boston, MA, USA
| | - Nevzat Esim
- Department of Molecular Biology and Genetics, Science and Art Faculty, Bingol University, Bingol, Turkey
| | - Mesut Taskin
- Department of Molecular Biology and Genetics, Science Faculty, Ataturk University, Erzurum, Turkey
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Al Mousa AA, Abouelela ME, Al Ghamidi NS, Abo-Dahab Y, Mohamed H, Abo-Dahab NF, Hassane AMA. Anti-Staphylococcal, Anti-Candida, and Free-Radical Scavenging Potential of Soil Fungal Metabolites: A Study Supported by Phenolic Characterization and Molecular Docking Analysis. Curr Issues Mol Biol 2023; 46:221-243. [PMID: 38248318 PMCID: PMC10814734 DOI: 10.3390/cimb46010016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 12/22/2023] [Accepted: 12/25/2023] [Indexed: 01/23/2024] Open
Abstract
Staphylococcus and Candida are recognized as causative agents in numerous diseases, and the rise of multidrug-resistant strains emphasizes the need to explore natural sources, such as fungi, for effective antimicrobial agents. This study aims to assess the in vitro anti-staphylococcal and anti-candidal potential of ethyl acetate extracts from various soil-derived fungal isolates. The investigation includes isolating and identifying fungal strains as well as determining their antioxidative activities, characterizing their phenolic substances through HPLC analysis, and conducting in silico molecular docking assessments of the phenolics' binding affinities to the target proteins, Staphylococcus aureus tyrosyl-tRNA synthetase and Candida albicans secreted aspartic protease 2. Out of nine fungal species tested, two highly potent isolates were identified through ITS ribosomal gene sequencing: Aspergillus terreus AUMC 15447 and A. nidulans AUMC 15444. Results indicated that A. terreus AUMC 15447 and A. nidulans AUMC 15444 extracts effectively inhibited S. aureus (concentration range: 25-0.39 mg/mL), with the A. nidulans AUMC 15444 extract demonstrating significant suppression of Candida spp. (concentration range: 3.125-0.39 mg/mL). The A. terreus AUMC 15447 extract exhibited an IC50 of 0.47 mg/mL toward DPPH radical-scavenging activity. HPLC analysis of the fungal extracts, employing 18 standards, revealed varying degrees of detected phenolics in terms of their presence and quantities. Docking investigations highlighted rutin as a potent inhibitor, showing high affinity (-16.43 kcal/mol and -12.35 kcal/mol) for S. aureus tyrosyl-tRNA synthetase and C. albicans secreted aspartic protease 2, respectively. The findings suggest that fungal metabolites, particularly phenolics, hold significant promise for the development of safe medications to combat pathogenic infections.
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Affiliation(s)
- Amal A. Al Mousa
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 145111, Riyadh 4545, Saudi Arabia;
| | - Mohamed E. Abouelela
- Department of Pharmacognosy, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo P.O. Box 11884, Egypt;
| | - Nadaa S. Al Ghamidi
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 145111, Riyadh 4545, Saudi Arabia;
| | | | - Hassan Mohamed
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Assiut 71524, Egypt; (H.M.); (N.F.A.-D.)
| | - Nageh F. Abo-Dahab
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Assiut 71524, Egypt; (H.M.); (N.F.A.-D.)
| | - Abdallah M. A. Hassane
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Assiut 71524, Egypt; (H.M.); (N.F.A.-D.)
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