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Shekwa W, Maliehe TS, Masoko P. Antimicrobial, antioxidant and cytotoxic activities of the leaf and stem extracts of Carissa bispinosa used for dental health care. BMC Complement Med Ther 2023; 23:462. [PMID: 38102607 PMCID: PMC10722736 DOI: 10.1186/s12906-023-04308-x] [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: 10/26/2022] [Accepted: 12/12/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Carissa bispinosa (L.) Desf. ex Brenan is one of the plants used traditionally to treat oral infections. However, there is limited data validating its therapeutic properties and photochemistry. The aim of this study was to investigate the protective efficacy of the leaf and stem extracts of C. bispinosa against oral infections. METHODS The phenolic and tannin contents were measured using Folin-Ciocalteau method after extracting with different solvents. The minimum inhibitory concentrations (MIC) of the extracts were assessed using the microdilution method against fungal (Candida albicans and Candida glabrata) and bacterial (Streptococcus pyogenes, Staphylococcus aureus and Enterococcus faecalis) strains. The 2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing power (FRP) models were utilised to assess the antioxidant potential of the extracts. Cytotoxicity of the leaf acetone extract was evaluated using the methylthiazol tetrazolium assay. RESULTS The methanol leaf extract had the highest phenolic content (113.20 mg TAE/g), whereas hexane extract displayed the highest tannin composition of 22.98 mg GAE/g. The acetone stem extract had the highest phenolic content (338 mg TAE/g) and the stem extract yielded the highest total tannin content (49.87 mg GAE/g). The methanol leaf extract demonstrated the lowest MIC value (0.31 mg/mL), whereas the stem ethanol extract had the least MIC value of 0.31 mg/mL. The stem methanol extract had the best DPPH free radical scavenging activity (IC50, 72 µg/mL) whereas the stem ethanol extract displayed maximum FRP with absorbance of 1.916. The leaf acetone extract had minimum cytotoxicity with the lethal concentration (LC50) of 0.63 mg/mL. CONCLUSIONS The results obtained in this study validated the protective effect of C. bispinosa against oral infections.
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Affiliation(s)
- Wanda Shekwa
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Private bag X1106, Sovenga, 0727, South Africa
| | - Tsolanku Sidney Maliehe
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Private bag X1106, Sovenga, 0727, South Africa
| | - Peter Masoko
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Private bag X1106, Sovenga, 0727, South Africa.
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Bhat MP, Rudrappa M, Hugar A, Gunagambhire PV, Suresh Kumar R, Nayaka S, Almansour AI, Perumal K. In-vitro investigation on the biological activities of squalene derived from the soil fungus Talaromyces pinophilus. Heliyon 2023; 9:e21461. [PMID: 38027970 PMCID: PMC10654146 DOI: 10.1016/j.heliyon.2023.e21461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 09/25/2023] [Accepted: 10/21/2023] [Indexed: 12/01/2023] Open
Abstract
The consistent increase in multidrug resistance among pathogens and increased cancer incidence are serious public health concerns and threaten humans by killing countless lives. In the present study, Talaromyces pinophilus CJ15 was characterized and evaluated for its antibacterial, candidicidal and cytotoxic activities. The selected isolate Talaromyces pinophilus CJ15 with 18S rRNA gene sequence of 1021 base pairs exhibited antifungal activity on plant pathogens via dual culture. The GC-MS profiling of crude extract illustrated the existence of many bioactive macromolecules which include squalene belonging to the terpenoids family. The biological macromolecules in the bioactive fraction of CJ15 exhibited increasing antibacterial activity with an increase in concentration such that the highest activity was recorded against Shigella flexneri with 15, 18, 20, and 24 mm inhibition zones at 25, 50, 75 and 100 μl concentrations, respectively. The squalene, having a molecular weight of 410.718 g/mol, displayed candidicidal activity with a right-side shifted log phase in the growth curve of all the treated Candida species, indicating delayed exponential growth. In cytotoxic activity, the extracted squalene exhibited an IC50 concentration of 26.22 μg/ml against JURKAT cells and induced apoptosis-induced cell death. This study's outcomes encourage the researchers to explore further the development of new and improved bioactive macromolecules that could help to prevent infections and human blood cancer.
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Affiliation(s)
| | - Muthuraj Rudrappa
- P.G. Department of Studies in Botany, Karnatak University, Dharwad, 580001, Karnataka, India
| | - Anil Hugar
- P.G. Department of Studies in Botany, Karnatak University, Dharwad, 580001, Karnataka, India
| | | | - Raju Suresh Kumar
- Department of Chemistry, College of Science, King Saud University, P.O. Box. 2455, Riyadh, 11451, Saudi Arabia
| | - Sreenivasa Nayaka
- P.G. Department of Studies in Botany, Karnatak University, Dharwad, 580001, Karnataka, India
| | - Abdulrahman I. Almansour
- Department of Chemistry, College of Science, King Saud University, P.O. Box. 2455, Riyadh, 11451, Saudi Arabia
| | - Karthikeyan Perumal
- Department of Chemistry and Biochemistry, The Ohio State University, 151 W. Woodruff Ave, Columbus, OH, 43210, USA
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Kiss A, Hariri Akbari F, Marchev A, Papp V, Mirmazloum I. The Cytotoxic Properties of Extreme Fungi's Bioactive Components-An Updated Metabolic and Omics Overview. Life (Basel) 2023; 13:1623. [PMID: 37629481 PMCID: PMC10455657 DOI: 10.3390/life13081623] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 06/28/2023] [Accepted: 06/29/2023] [Indexed: 08/27/2023] Open
Abstract
Fungi are the most diverse living organisms on planet Earth, where their ubiquitous presence in various ecosystems offers vast potential for the research and discovery of new, naturally occurring medicinal products. Concerning human health, cancer remains one of the leading causes of mortality. While extensive research is being conducted on treatments and their efficacy in various stages of cancer, finding cytotoxic drugs that target tumor cells with no/less toxicity toward normal tissue is a significant challenge. In addition, traditional cancer treatments continue to suffer from chemical resistance. Fortunately, the cytotoxic properties of several natural products derived from various microorganisms, including fungi, are now well-established. The current review aims to extract and consolidate the findings of various scientific studies that identified fungi-derived bioactive metabolites with antitumor (anticancer) properties. The antitumor secondary metabolites identified from extremophilic and extremotolerant fungi are grouped according to their biological activity and type. It became evident that the significance of these compounds, with their medicinal properties and their potential application in cancer treatment, is tremendous. Furthermore, the utilization of omics tools, analysis, and genome mining technology to identify the novel metabolites for targeted treatments is discussed. Through this review, we tried to accentuate the invaluable importance of fungi grown in extreme environments and the necessity of innovative research in discovering naturally occurring bioactive compounds for the development of novel cancer treatments.
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Affiliation(s)
- Attila Kiss
- Agro-Food Science Techtransfer and Innovation Centre, Faculty for Agro, Food and Environmental Science, Debrecen University, 4032 Debrecen, Hungary;
| | - Farhad Hariri Akbari
- Department of Biology, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia;
| | - Andrey Marchev
- Laboratory of Metabolomics, Department of Biotechnology, The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, 4000 Plovdiv, Bulgaria
| | - Viktor Papp
- Department of Botany, Hungarian University of Agriculture and Life Sciences, 1118 Budapest, Hungary;
| | - Iman Mirmazloum
- Department of Plant Physiology and Plant Ecology, Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, 1118 Budapest, Hungary
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Bhat MP, Chakraborty B, Nagaraja SK, Gunagambhire PV, Kumar RS, Nayaka S, Almansour AI, Perumal K. Aspergillus niger CJ6 extract with antimicrobial potential promotes in-vitro cytotoxicity and induced apoptosis against MIA PaCa-2 cell line. ENVIRONMENTAL RESEARCH 2023; 229:116008. [PMID: 37121347 DOI: 10.1016/j.envres.2023.116008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/05/2023] [Accepted: 04/26/2023] [Indexed: 05/08/2023]
Abstract
Nowadays, the increased number of multidrug-resistant strains among pathogens is a severe public health concern and cancer is posing a great threat for humans. These problems should be tackled with the development of novel and broad-spectrum antimicrobials from microbial origin. During the present study, the bioactive secondary metabolites from Aspergillus niger CJ6 were extracted, characterized; their biological properties were evaluated by subjecting them for antimicrobial, antifungal and anticancer activities. The potent isolate Aspergillus niger CJ6 with nucleotide sequence of 959 base pairs showed antagonistic activity against fungal pathogens in dual culture. The chemical profiling of crude ethyl acetate extract indicated the presence of various bioactive molecules belonging to phenolic, hydrocarbons, and phthalate derivative classes. In antimicrobial activity, the crude extract displayed increasing activity with increased concentration; the highest activity observed against Shigella flexneri with 15 ± 1.0, 19 ± 0.5, 20 ± 1.0 and 24 ± 1.0 mm zones of inhibition at 25, 50, 75 and 100 μl concentrations. The MTT assay illustrated deformed cells of MIA PaCa-2 cell line in in-vitro cytotoxic activity; outflow of cell matrix and membrane rupture; the IC50 of 90.78 μg/ml suggested moderate potential of extract to prevent cancer cell growth. The apoptosis/necrosis study by flow cytometer exhibited 8.98 ± 0.85% early and 73 ± 0.7% of late apoptotic population with 3.8 ± 1.1% necrotic cells; only 14.22 ± 0.6% of healthy cells suggested the increased apoptosis inducing capacity of Aspergillus niger CJ6 crude extract. The outcomes of this study persuade further exploration on the identification, purification and development of novel bioactive agents that could help battle fatal diseases in humans.
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Affiliation(s)
| | - Bidhayak Chakraborty
- P.G. Department of Studies in Botany, Karnatak University, Dharwad, 580001, Karnataka, India.
| | | | | | - Raju Suresh Kumar
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
| | - Sreenivasa Nayaka
- P.G. Department of Studies in Botany, Karnatak University, Dharwad, 580001, Karnataka, India.
| | - Abdulrahman I Almansour
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
| | - Karthikeyan Perumal
- Department of Chemistry and Biochemistry, The Ohio State University, 151 W. Woodruff Ave, Columbus, OH, 43210, USA.
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Wang HN, Sun SS, Liu MZ, Yan MC, Liu YF, Zhu Z, Zhang Z. Natural bioactive compounds from marine fungi (2017-2020). JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2022; 24:203-230. [PMID: 34253101 DOI: 10.1080/10286020.2021.1947254] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 06/20/2021] [Indexed: 06/13/2023]
Abstract
Secondary metabolites generated by marine fungi have relatively small molecular weights and excellent activities and have become an important source for developing drug lead compounds. The review summarizes the structures of novel small-molecule compounds derived from marine fungi in recent years; introduces representative monomers in antimicrobial, antitumor, anti-viral, and anti-neuritis aspects; and discusses their biological activities and molecular mechanisms. This review will act as a guide for further discovering marine-derived drugs with novel chemical structures and specific targeting mechanisms.
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Affiliation(s)
- Huan-Nan Wang
- School of Pharmacy, Jining Medical University, Rizhao 276800, China
| | - Shan-Shan Sun
- School of Pharmacy, Jining Medical University, Rizhao 276800, China
| | - Meng-Zhen Liu
- School of Pharmacy, Jining Medical University, Rizhao 276800, China
| | - Mao-Cai Yan
- School of Pharmacy, Jining Medical University, Rizhao 276800, China
| | - Yu-Feng Liu
- School of Pharmacy, Jining Medical University, Rizhao 276800, China
| | - Zheng Zhu
- College of Material Science and Engineering, Hebei University of Engineering, Handan 056038, China
| | - Zhen Zhang
- School of Pharmacy, Jining Medical University, Rizhao 276800, China
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Nischitha R, Shivanna M. Diversity and in silico docking of antibacterial potent compounds in endophytic fungus Chaetomium subaffine Sergeeva and host Heteropogon contortus (L.) P. Beauv. Process Biochem 2022. [DOI: 10.1016/j.procbio.2021.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Wagh A, Butle S, Raut D. Isolation, identification, and cytotoxicity evaluation of phytochemicals from chloroform extract of Spathodea campanulata. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2021. [DOI: 10.1186/s43094-021-00205-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Abstract
Background
Spathodea campanulata P. Beauv. known as the African tulip tree has potential medicinal properties that have been shown traditionally for the treatment of various ailments. The aim of the present study was isolation, identification, and evaluation of the cytotoxic activity of phytochemicals from the chloroform extract of S. campanulata.
Result
Three compounds were isolated by using column chromatography and preparative TLC from chloroform extract of leaves of S. campanulata. The structures of the isolated compounds were elucidated by using spectroscopic methods, including, FTIR, ESI-TOF MS, 1H NMR, and 13C NMR spectroscopy. In vitro cytotoxic activity of compounds was evaluated by using SRB assay against human leukemia cancer cell lines (HL-60). Results were expressed in IC50 values. Stigmasta-5,22-dien-3-ol, octadecenamide, and umbelliferone were isolated and identified from chloroform extract. The isolated compounds showed cytotoxicity with decreasing cell viability in a dose-dependent manner, but it was found low as compared to positive control, i.e., Adriamycin against HL-60 cell lines.
Conclusion
The results indicate that isolated compounds, i.e., stigmasta-5,22-dien-3-ol (44.12μg/ml), octadecenamide (35.65μg/ml), and umbelliferone (80.60μg/ml) showed antiproliferative activity, but it was low compared to positive control Adriamycin (10.09 μg/ml). Also, according to our knowledge, this study is the first report on the isolation and identification of octadecenamide and umbelliferone from the leaves of S. campanulata.
Graphical abstract
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Quemener M, Dayras M, Frotté N, Debaets S, Le Meur C, Barbier G, Edgcomb V, Mehiri M, Burgaud G. Highlighting the Biotechnological Potential of Deep Oceanic Crust Fungi through the Prism of Their Antimicrobial Activity. Mar Drugs 2021; 19:md19080411. [PMID: 34436250 PMCID: PMC8399467 DOI: 10.3390/md19080411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 07/22/2021] [Accepted: 07/23/2021] [Indexed: 12/03/2022] Open
Abstract
Among the different tools to address the antibiotic resistance crisis, bioprospecting in complex uncharted habitats to detect novel microorganisms putatively producing original antimicrobial compounds can definitely increase the current therapeutic arsenal of antibiotics. Fungi from numerous habitats have been widely screened for their ability to express specific biosynthetic gene clusters (BGCs) involved in the synthesis of antimicrobial compounds. Here, a collection of unique 75 deep oceanic crust fungi was screened to evaluate their biotechnological potential through the prism of their antimicrobial activity using a polyphasic approach. After a first genetic screening to detect specific BGCs, a second step consisted of an antimicrobial screening that tested the most promising isolates against 11 microbial targets. Here, 12 fungal isolates showed at least one antibacterial and/or antifungal activity (static or lytic) against human pathogens. This analysis also revealed that Staphylococcus aureus ATCC 25923 and Enterococcus faecalis CIP A 186 were the most impacted, followed by Pseudomonas aeruginosa ATCC 27853. A specific focus on three fungal isolates allowed us to detect interesting activity of crude extracts against multidrug-resistant Staphylococcus aureus. Finally, complementary mass spectrometry (MS)-based molecular networking analyses were performed to putatively assign the fungal metabolites and raise hypotheses to link them to the observed antimicrobial activities.
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Affiliation(s)
- Maxence Quemener
- Laboratoire Universitaire de Biodiversité et Écologie Microbienne, Université de Brest, F-29280 Plouzané, France; (M.Q.); (N.F.); (S.D.); (C.L.M.); (G.B.)
| | - Marie Dayras
- Marine Natural Products Team, Institut de Chimie de Nice, UMR 7272, Université Côte d’Azur, CNRS, 06108 Nice, France; (M.D.); (M.M.)
| | - Nicolas Frotté
- Laboratoire Universitaire de Biodiversité et Écologie Microbienne, Université de Brest, F-29280 Plouzané, France; (M.Q.); (N.F.); (S.D.); (C.L.M.); (G.B.)
| | - Stella Debaets
- Laboratoire Universitaire de Biodiversité et Écologie Microbienne, Université de Brest, F-29280 Plouzané, France; (M.Q.); (N.F.); (S.D.); (C.L.M.); (G.B.)
| | - Christophe Le Meur
- Laboratoire Universitaire de Biodiversité et Écologie Microbienne, Université de Brest, F-29280 Plouzané, France; (M.Q.); (N.F.); (S.D.); (C.L.M.); (G.B.)
| | - Georges Barbier
- Laboratoire Universitaire de Biodiversité et Écologie Microbienne, Université de Brest, F-29280 Plouzané, France; (M.Q.); (N.F.); (S.D.); (C.L.M.); (G.B.)
| | - Virginia Edgcomb
- Departments of Geology and Geophysics and Biology, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA;
| | - Mohamed Mehiri
- Marine Natural Products Team, Institut de Chimie de Nice, UMR 7272, Université Côte d’Azur, CNRS, 06108 Nice, France; (M.D.); (M.M.)
| | - Gaëtan Burgaud
- Laboratoire Universitaire de Biodiversité et Écologie Microbienne, Université de Brest, F-29280 Plouzané, France; (M.Q.); (N.F.); (S.D.); (C.L.M.); (G.B.)
- Correspondence: ; Tel.: +33-290915148
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Muddukrishnaiah K, Akilandeswari K, Prasad S, Shilpa VP. Biologically Active Antimicrobial Compounds from Marine Microorganisms (2005-2019). Curr Pharm Biotechnol 2021; 22:1046-1060. [PMID: 32990534 DOI: 10.2174/1389201021666200929123040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 06/25/2020] [Accepted: 09/03/2020] [Indexed: 11/22/2022]
Abstract
INTRODUCTION The increase in contagious diseases like nosocomial infections, urinary tract infections, and meningitis has led to the emergence of antimicrobial resistance urgently needs new antimicrobial medication with new modes of action. Some of the antibiotics present in the market have been obtained from terrestrial plants, or extracted semisynthetically from materials which can be fermented. METHODS Marine microorganisms account for approximately 80% of sea biomass. They are essential for the survival and well-being of aquatic habitats due to their indispensable contribution to biogeochemical cycles and biological processes. In marine ecosystems, microorganisms live as microbial communities in seawater, where symbiotic relationships are formed, and their ecological functions are fulfilled. RESULTS Marine microorganisms remain the largest, most diverse and most exciting source of structurally and functionally complex antimicrobial agents. They are extremely involved in their structure and functions. Enormous biological wealth lies in marine habitats. These microorganisms are potential sources of novel antimicrobial compounds to combat the most infectious diseases like nosocomial infections, and urinary tract infections. CONCLUSION This study deals with biologically active antimicrobial compounds taken from marine microorganism source, which was reported between the years 2005 and 2019. This review highlights their chemical groups, their bioactivities and sources. Marine microorganism exploitation techniques have also been reported by the authors.
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Affiliation(s)
- Krishna Muddukrishnaiah
- Department of Pharmaceutical Technology, Anna University, BIT Campus, Tiruchirappalli, Tamil Nadu 620024, India
| | - K Akilandeswari
- Department of Pharmaceutical Technology, Anna University, BIT Campus, Tiruchirappalli, Tamil Nadu 620024, India
| | - Sunnapu Prasad
- Department of Pharmaceutical Chemistry, Sri Ramakrishna Institute of Paramedical Science, College of Pharmacy, Coimbatore, Tamil Nadu 641044, India
| | - V P Shilpa
- Department of Pharmacy, Sanjo College of Pharmaceutical Studies, Vellapara, Palakkad, Kerala 678702, India
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Potential of Anti-Cancer Activity of Secondary Metabolic Products from Marine Fungi. J Fungi (Basel) 2021; 7:jof7060436. [PMID: 34070936 PMCID: PMC8229146 DOI: 10.3390/jof7060436] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 01/15/2023] Open
Abstract
The promising feature of the fungi from the marine environment as a source for anticancer agents belongs to the fungal ability to produce several compounds and enzymes which contribute effectively against the cancer cells growth. L-asparaginase acts by degrading the asparagine which is the main substance of cancer cells. Moreover, the compounds produced during the secondary metabolic process acts by changing the cell morphology and DNA fragmentation leading to apoptosis of the cancer cells. The current review has analyed the available information on the anticancer activity of the fungi based on the data extracted from the Scopus database. The systematic and bibliometric analysis revealed many of the properties available for the fungi to be the best candidate as a source of anticancer drugs. Doxorubicin, actinomycin, and flavonoids are among the primary chemical drug used for cancer treatment. In comparison, the most anticancer compounds producing fungi are Aspergillus niger, A. fumigatus A. oryzae, A. flavus, A. versicolor, A. terreus, Penicillium citrinum, P. chrysogenum, and P. polonicum and have been used for investigating the anticancer activity against the uterine cervix, pancreatic cancer, ovary, breast, colon, and colorectal cancer.
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Nweze JA, Mbaoji FN, Huang G, Li Y, Yang L, Zhang Y, Huang S, Pan L, Yang D. Antibiotics Development and the Potentials of Marine-Derived Compounds to Stem the Tide of Multidrug-Resistant Pathogenic Bacteria, Fungi, and Protozoa. Mar Drugs 2020; 18:E145. [PMID: 32121196 PMCID: PMC7142797 DOI: 10.3390/md18030145] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/19/2020] [Accepted: 02/25/2020] [Indexed: 12/15/2022] Open
Abstract
As the search for new antibiotics continues, the resistance to known antimicrobial compounds continues to increase. Many researchers around the world, in response to antibiotics resistance, have continued to search for new antimicrobial compounds in different ecological niches such as the marine environment. Marine habitats are one of the known and promising sources for bioactive compounds with antimicrobial potentials against currently drug-resistant strains of pathogenic microorganisms. For more than a decade, numerous antimicrobial compounds have been discovered from marine environments, with many more antimicrobials still being discovered every year. So far, only very few compounds are in preclinical and clinical trials. Research in marine natural products has resulted in the isolation and identification of numerous diverse and novel chemical compounds with potency against even drug-resistant pathogens. Some of these compounds, which mainly came from marine bacteria and fungi, have been classified into alkaloids, lactones, phenols, quinones, tannins, terpenes, glycosides, halogenated, polyketides, xanthones, macrocycles, peptides, and fatty acids. All these are geared towards discovering and isolating unique compounds with therapeutic potential, especially against multidrug-resistant pathogenic microorganisms. In this review, we tried to summarize published articles from 2015 to 2019 on antimicrobial compounds isolated from marine sources, including some of their chemical structures and tests performed against drug-resistant pathogens.
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Affiliation(s)
- Justus Amuche Nweze
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, Guangxi Academy of Sciences, Nanning 530007, China; (J.A.N.); (F.N.M.); (S.H.)
- Department of Science Laboratory Technology, Faculty of Physical Sciences, University of Nigeria, Nsukka PMB 410001, Nigeria
| | - Florence N. Mbaoji
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, Guangxi Academy of Sciences, Nanning 530007, China; (J.A.N.); (F.N.M.); (S.H.)
- Department of Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka PMB 410001, Enugu State, Nigeria
| | - Gang Huang
- Guangxi Biomass Industrialization Engineering Institute, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass, Guangxi Academy of Sciences, Nanning 530007, China; (G.H.); (Y.L.); (L.Y.)
| | - Yanming Li
- Guangxi Biomass Industrialization Engineering Institute, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass, Guangxi Academy of Sciences, Nanning 530007, China; (G.H.); (Y.L.); (L.Y.)
| | - Liyan Yang
- Guangxi Biomass Industrialization Engineering Institute, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass, Guangxi Academy of Sciences, Nanning 530007, China; (G.H.); (Y.L.); (L.Y.)
| | - Yunkai Zhang
- College of Life Science and Technology of Guangxi University, Nanning 530004, China;
| | - Shushi Huang
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, Guangxi Academy of Sciences, Nanning 530007, China; (J.A.N.); (F.N.M.); (S.H.)
| | - Lixia Pan
- Guangxi Biomass Industrialization Engineering Institute, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass, Guangxi Academy of Sciences, Nanning 530007, China; (G.H.); (Y.L.); (L.Y.)
| | - Dengfeng Yang
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, Guangxi Academy of Sciences, Nanning 530007, China; (J.A.N.); (F.N.M.); (S.H.)
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12
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Venkatachalam P, Nadumane VK. Modulation of Bax and Bcl-2 genes by secondary metabolites produced by Penicillium rubens JGIPR9 causes the apoptosis of cancer cell lines. Mycology 2019; 12:69-81. [PMID: 34026299 PMCID: PMC8128197 DOI: 10.1080/21501203.2019.1707315] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Search for an efficient anti-cancer compound of natural origin with well-defined mechanisms of action is an important scientific pursuit today, due to cancer being the second leading cause for the death of affected people. The members of the genus Penicillium are one of the important sources of bioactive compounds. In the present study, Penicillium rubens, isolated from a garden soil in Madurai district of Tamil Nadu, was found to produce a highly promising anti-cancer metabolite. The percentage viabilities of HepG2, HeLa and MCF-7 cancer cells treated with the bioactive fraction (P5) isolated from P. rubens, ranged between 40-50% after 96 h. Apoptosis induction was found to be the major reason for the observed reduction in cancer cell proliferation and cell count which was confirmed by caspase activity, DNA fragmentation, clonogenic assay, cell cycle analysis and LDH assays. The upregulation of proapoptotic Bax, coupled with the downregulation of anti-apoptotic Bcl-2 expressions were confirmed by RT-qPCR and flow cytometry methods. The current study also indicated an upregulation of p53 which further strengthened the apoptogenic property of P5 fraction. Non-toxicity of P5 was demonstrated on normal peripheral lymphocytes. The analysis of P5 fraction through GC-MS indicated the presence of indole-2, 3-(4,4-dimethyl-3-thiosemicarbazone) as one of the major compounds.
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Affiliation(s)
- Prerana Venkatachalam
- Department of Biotechnology, School of Sciences, JAIN (Deemed-to-be University), Bengaluru, India
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