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Yang J, Yao FH, Xu SF, Shi JY, Li XY, Yi XX, Gao CH. Mauritone A, a new polyketide from a fungal-bacterial symbiont Aspergillus spelaeus GXIMD 04541/ Sphingomonas echinoides GXIMD 04532. Nat Prod Res 2024:1-6. [PMID: 38980006 DOI: 10.1080/14786419.2024.2377313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 07/03/2024] [Indexed: 07/10/2024]
Abstract
A new polyketide, mauritone A (1) with six known polyketides curvulone B (2), curvularin (3), 12-oxocurvularin (4), (10E,15S)-10,11-dehydrocurvularin (5), (11R,15S)-11-hydroxycurvularin (6), and (11S,15S)-11-hydroxycurvularin (7) were isolated from the fungal-bacterial symbiont Aspergillus spelaeus GXIMD 04541/Sphingomonas echinoides GXIMD 04532 derived from Mauritia arabica. Their structures were elucidated by extensive spectral analysis. All compounds (1-7) were evaluated for their anti-inflammatory effects. The inhibitory effects of 4, 5, and 7 on nitric oxide (NO) production were found to be significant, with IC50 values of 5.5 ± 0.26, 2.0 ± 0.31, and 8.3 ± 0.62 μM, respectively, surpassing that of the positive control quercetin (10.6 ± 0.64 μM). Compounds 3 and 6 exhibited moderate inhibition of NO, with IC50 values of 18.6 ± 0.53 and 12.7 ± 0.45 μM, respectively.
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Affiliation(s)
- Jie Yang
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
| | - Fei-Hua Yao
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
| | - Shu-Fen Xu
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
| | - Jie-Yu Shi
- Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
- Faculty of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Xiao-Yan Li
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
| | - Xiang-Xi Yi
- Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
- Faculty of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Cheng-Hai Gao
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
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2
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Seipp K, Kammler C, Rossdam NO, Eckhardt P, Kiefer AM, Erkel G, Opatz T. Total Synthesis, Structure Reassignment, and Biological Evaluation of the Anti-Inflammatory Macrolactone 13-Hydroxy-14-deoxyoxacyclododecindione. JOURNAL OF NATURAL PRODUCTS 2024; 87:1131-1149. [PMID: 38555526 DOI: 10.1021/acs.jnatprod.4c00082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Herein, the first total synthesis of natural 13-hydroxy-14-deoxyoxacyclododecindione along with the revision of the proposed configuration is reported. This natural product, initially discovered in 2018, belongs to the oxacyclododecindione family, renowned for their remarkable anti-inflammatory and antifibrotic activities. The synthetic route involves an esterification/Friedel-Crafts-acylation approach and uses various triol fragments. It allows the preparation of different stereoisomers, including the (revised) natural product, two threo-derivatives, and two Z-isomers of the endocyclic C═C double bond. Furthermore, a late-stage inversion of the C-13 stereocenter could transform the originally proposed structure into the revised natural product. With this comprehensive set of compounds and the previously prepared (13R,14S,15R)-isomer, deeper insights into their structural properties and biological activities were obtained. A detailed analysis of the final macrolactones using spectroscopy (NMR, IR, UV-vis) and X-ray crystallography gave new insights such as the significance of the optical rotation for the elucidation of their configuration and the light-induced E/Z double-bond photoisomerization. The pharmacological potential of the compounds was underlined by remarkably low IC50 values in biological assays addressing the inhibition of cellular inflammatory responses.
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Affiliation(s)
- Kevin Seipp
- Department of Chemistry, Johannes Gutenberg-University, Duesbergweg 10-14, 55128 Mainz, Germany
| | - Claudia Kammler
- Department of Chemistry, Johannes Gutenberg-University, Duesbergweg 10-14, 55128 Mainz, Germany
| | - Nils Ole Rossdam
- Department of Chemistry, Johannes Gutenberg-University, Duesbergweg 10-14, 55128 Mainz, Germany
| | - Paul Eckhardt
- Department of Chemistry, Johannes Gutenberg-University, Duesbergweg 10-14, 55128 Mainz, Germany
| | - Anna Maria Kiefer
- Department of Molecular Biotechnology & Systems Biology, RPTU Kaiserslautern-Landau, Paul-Ehrlich-Straße 23, Building 23, 67663 Kaiserslautern, Germany
| | - Gerhard Erkel
- Department of Molecular Biotechnology & Systems Biology, RPTU Kaiserslautern-Landau, Paul-Ehrlich-Straße 23, Building 23, 67663 Kaiserslautern, Germany
| | - Till Opatz
- Department of Chemistry, Johannes Gutenberg-University, Duesbergweg 10-14, 55128 Mainz, Germany
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Wang YR, Dong YL, Li XM, Shi XS, Li HL, Meng LH, Xu R, Wang BG. Curvularin derivatives from the marine mangrove derived fungus Penicillium sumatrense MA-325. PHYTOCHEMISTRY 2024; 220:114000. [PMID: 38278465 DOI: 10.1016/j.phytochem.2024.114000] [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: 11/10/2023] [Revised: 01/18/2024] [Accepted: 01/21/2024] [Indexed: 01/28/2024]
Abstract
Sumalarins D-G (1-4), four previously undescribed curvularin derivatives, along with two known related metabolites, curvularin (5) and dehydrocurvularin (6), were isolated and identified from the mangrove-derived fungus Penicillium sumatrense MA-325. Among them, sumalarin D (1) represents a unique example of curvularin derivative featuring a 5-methylfuran-2-yl-methyl group. Their structures were elucidated based on analysis of NMR and MS data as well as comparison of ECD spectra and quantum chemical calculations of NMR, and compound 1 was confirmed by X-ray crystallographic analysis. Compounds 1, 2, 5, and 6 are active against aquatic pathogenic bacteria Vibrio alginolyticus and V. harveyi with MIC values ranging from 4 to 64 μg/mL, while compound 6 is cytotoxic against tumor cell lines 5673, HCT 116, 786-O, and Hela with IC50 values of 3.5, 10.6, 10.9, and 14.9 μM, respectively.
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Affiliation(s)
- Yi-Ran Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao, 266071, People's Republic of China; Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road 1, Qingdao, 266237, People's Republic of China; University of Chinese Academy of Sciences, Yuquan Road 19A, Beijing, 100049, People's Republic of China
| | - Yu-Liang Dong
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao, 266071, People's Republic of China; Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road 1, Qingdao, 266237, People's Republic of China
| | - Xiao-Ming Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao, 266071, People's Republic of China; Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road 1, Qingdao, 266237, People's Republic of China
| | - Xiao-Shan Shi
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao, 266071, People's Republic of China
| | - Hong-Lei Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao, 266071, People's Republic of China; Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road 1, Qingdao, 266237, People's Republic of China; University of Chinese Academy of Sciences, Yuquan Road 19A, Beijing, 100049, People's Republic of China
| | - Ling-Hong Meng
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao, 266071, People's Republic of China; Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road 1, Qingdao, 266237, People's Republic of China; University of Chinese Academy of Sciences, Yuquan Road 19A, Beijing, 100049, People's Republic of China
| | - Rui Xu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao, 266071, People's Republic of China
| | - Bin-Gui Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao, 266071, People's Republic of China; Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road 1, Qingdao, 266237, People's Republic of China; University of Chinese Academy of Sciences, Yuquan Road 19A, Beijing, 100049, People's Republic of China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Nanhai Road 7, Qingdao, 266071, People's Republic of China.
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Rai T, Kaushik N, Malviya R, Sharma PK. A review on marine source as anticancer agents. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2024; 26:415-451. [PMID: 37675579 DOI: 10.1080/10286020.2023.2249825] [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: 01/13/2023] [Accepted: 08/15/2023] [Indexed: 09/08/2023]
Abstract
This review investigates the potential of natural compounds obtained from marine sources for the treatment of cancer. The oceans are believed to contain physiologically active compounds, such as alkaloids, nucleosides, macrolides, and polyketides, which have shown promising effects in slowing human tumor cells both in vivo and in vitro. Various marine species, including algae, mollusks, actinomycetes, fungi, sponges, and soft corals, have been studied for their bioactive metabolites with diverse chemical structures. The review explores the therapeutic potential of various marine-derived substances and discusses their possible applications in cancer treatment.
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Affiliation(s)
- Tamanna Rai
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Gautam Budh Nagar, Greater Noida, Uttar Pradesh 201306, India
| | - Niranjan Kaushik
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Gautam Budh Nagar, Greater Noida, Uttar Pradesh 201306, India
| | - Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Gautam Budh Nagar, Greater Noida, Uttar Pradesh 201306, India
| | - Pramod Kumar Sharma
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Gautam Budh Nagar, Greater Noida, Uttar Pradesh 201306, India
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Diversity, Lifestyle, Genomics, and Their Functional Role of Cochliobolus, Bipolaris, and Curvularia Species in Environmental Remediation and Plant Growth Promotion under Biotic and Abiotic Stressors. J Fungi (Basel) 2023; 9:jof9020254. [PMID: 36836368 PMCID: PMC9962790 DOI: 10.3390/jof9020254] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 01/25/2023] [Accepted: 01/27/2023] [Indexed: 02/17/2023] Open
Abstract
Cochliobolus, Bipolaris, and Curvularia genera contain various devastating plant pathogens that cause severe crop losses worldwide. The species belonging to these genera also perform a variety of diverse functions, including the remediation of environmental contaminations, beneficial phytohormone production, and maintaining their lifestyle as epiphytes, endophytes, and saprophytes. Recent research has revealed that despite their pathogenic nature, these fungi also play an intriguing role in agriculture. They act as phosphate solubilizers and produce phytohormones, such as indole acetic acid (IAA) and gibberellic acid (GAs), to accelerate the growth of various plants. Some species have also been reported to play a significant role in plant growth promotion during abiotic stresses, such as salinity stress, drought stress, heat stress, and heavy metal stress, as well as act as a biocontrol agent and a potential mycoherbicide. Similarly, these species have been reported in numerous industrial applications to produce different types of secondary metabolites and biotechnological products and possess a variety of biological properties, such as antibacterial, antileishmanial, cytotoxic, phytotoxic, and antioxidant activities. Additionally, some of the species have been utilized in the production of numerous valuable industrial enzymes and biotransformation, which has an impact on the growth of crops all over the world. However, the current literature is dispersed, and some of the key areas, such as taxonomy, phylogeny, genome sequencing, phytohormonal analysis, and diversity, are still being neglected in terms of the elucidation of its mechanisms, plant growth promotion, stress tolerance, and bioremediation. In this review, we highlighted the potential role, function, and diversity of Cochliobolus, Curvularia, and Bipolaris for improved utilization during environmental biotechnology.
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Mehta T, Meena M, Nagda A. Bioactive compounds of Curvularia species as a source of various biological activities and biotechnological applications. Front Microbiol 2022; 13:1069095. [PMID: 36569099 PMCID: PMC9777749 DOI: 10.3389/fmicb.2022.1069095] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 11/21/2022] [Indexed: 12/13/2022] Open
Abstract
Many filamentous fungi are known to produce several secondary metabolites or bioactive compounds during their growth and reproduction with sort of various biological activities. Genus Curvularia (Pleosporaceae) is a dematiaceous filamentous fungus that exhibits a facultative pathogenic and endophytic lifestyle. It contains ~213 species among which Curvularia lunata, C. geniculata, C. clavata, C. pallescens, and C. andropogonis are well-known. Among them, C. lunata is a major pathogenic species of various economical important crops especially cereals of tropical regions while other species like C. geniculata is of endophytic nature with numerous bioactive compounds. Curvularia species contain several diverse groups of secondary metabolites including alkaloids, terpenes, polyketides, and quinones. Which possess various biological activities including anti-cancer, anti-inflammatory, anti-microbial, anti-oxidant, and phytotoxicity. Several genes and gene factors are involved to carry and regulate the expression of these activities which are influenced by environmental signals. Some species of Curvularia also show negative impacts on humans and animals. Apart from their negative effects, there are some beneficial implications like production of enzymes of industrial value, bioherbicides, and source of nanoparticles is reported. Many researchers are working on these aspects all over the world but there is no review in literature which provides significant understanding about these all aspects. Thus, this review will provide significant information about secondary metabolic diversity, their biological activities and biotechnological implications of Curvularia species.
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Das R, Rauf A, Mitra S, Emran TB, Hossain MJ, Khan Z, Naz S, Ahmad B, Meyyazhagan A, Pushparaj K, Wan CC, Balasubramanian B, Rengasamy KR, Simal-Gandara J. Therapeutic potential of marine macrolides: An overview from 1990 to 2022. Chem Biol Interact 2022; 365:110072. [PMID: 35952775 DOI: 10.1016/j.cbi.2022.110072] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/22/2022] [Accepted: 07/23/2022] [Indexed: 01/05/2023]
Abstract
The sea is a vast ecosystem that has remained primarily unexploited and untapped, resulting in numerous organisms. Consequently, marine organisms have piqued the interest of scientists as an abundant source of natural resources with unique structural features and fascinating biological activities. Marine macrolide is a top-class natural product with a heavily oxygenated polyene backbone containing macrocyclic lactone. In the last few decades, significant efforts have been made to isolate and characterize macrolides' chemical and biological properties. Numerous macrolides are extracted from different marine organisms such as marine microorganisms, sponges, zooplankton, molluscs, cnidarians, red algae, tunicates, and bryozoans. Notably, the prominent macrolide sources are fungi, dinoflagellates, and sponges. Marine macrolides have several bioactive characteristics such as antimicrobial (antibacterial, antifungal, antimalarial, antiviral), anti-inflammatory, antidiabetic, cytotoxic, and neuroprotective activities. In brief, marine organisms are plentiful in naturally occurring macrolides, which can become the source of efficient and effective therapeutics for many diseases. This current review summarizes these exciting and promising novel marine macrolides in biological activities and possible therapeutic applications.
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Affiliation(s)
- Rajib Das
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh.
| | - Abdur Rauf
- Department of Chemistry, University of Swabi, Swabi, 94640, Pakistan.
| | - Saikat Mitra
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh.
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, 4381, Bangladesh; Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh.
| | - Md Jamal Hossain
- Department of Pharmacy, State University of Bangladesh, 77 Satmasjid Road, Dhanmondi, Dhaka, 1205, Bangladesh.
| | - Zidan Khan
- Department of Pharmacy, International Islamic University Chittagong, Chittagong, 4318, Bangladesh.
| | - Saima Naz
- Department of Biotechnology, Bacha Khan University, Charsadda, KPK, Pakistan.
| | - Bashir Ahmad
- Department of Biotechnology, Bacha Khan University, Charsadda, KPK, Pakistan.
| | - Arun Meyyazhagan
- Department of Life Science, CHRIST (Deemed to be University), Bengaluru, Karnataka, 560076, India.
| | - Karthika Pushparaj
- Department of Zoology, School of Biosciences, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, 641 043, Tamil Nadu, India.
| | - Chunpeng Craig Wan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruit &Vegetables, Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruit & Vegetables, College of Agronomy, Jiangxi Agricultural University Nanchang, 330045, Jiangxi, China.
| | | | - Kannan Rr Rengasamy
- Centre for Transdisciplinary Research, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, 600077, India.
| | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain.
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8
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Choi HY, Le DD, Kim WG. Curvularin Isolated From Phoma macrostoma Is an Antagonist of RhlR Quorum Sensing in Pseudomonas aeruginosa. Front Microbiol 2022; 13:913882. [PMID: 35903467 PMCID: PMC9315252 DOI: 10.3389/fmicb.2022.913882] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/20/2022] [Indexed: 11/15/2022] Open
Abstract
Quorum sensing (QS) is an attractive target for the treatment of multidrug-resistant Pseudomonas aeruginosa, against which new antibiotics are urgently needed. Because LasR is at the top of the QS hierarchy controlling Rhl and PQS systems, most QS inhibitors have been targeted to LasR. However, it has recently been reported that in clinical isolates of P. aeruginosa, LasR is frequently mutated and nonfunctional, and RhlR independently acts to produce virulent factors that maintain toxicity. Thus, for effective treatment of chronic cystic fibrosis infections, RhlR antagonists is needed to prevent the LasR-independent Rhl system, but RhlR antagonists have rarely been reported. In this study, we found that curvularin, an aromatic compound with a cyclized alkyl side chain isolated from Phoma macrostoma, at a low micromolar concentration of 1–30 μM potently and selectively inhibited pyocyanin and rhamnolipid production without affecting the cell viability of P. aeruginosa. Only high concentration (more over 100 μM) curvularin negligibly inhibited biofilm formation and elastase production, suggesting that curvularin at low concentrations selectively inhibits RhlR. The QS antagonism by curvularin was investigated in experiments using QS competition and signaling molecules assays with QS gene expression analysis, and the results showed that, indeed, at low concentrations, curvularin selectively antagonized RhlR; in contrast, it negligibly antagonized LasR only when applied at a high concentration. The exclusive RhlR antagonizing activity of curvularin at low concentrations was confirmed using QS mutants; specifically, curvularin at low concentrations inhibited pyocyanin and rhamnolipid production by selectively antagonizing N-butanoyl homoserine lactone (BHL)-activated RhlR. Moreover, by targeting RhlR, curvularin reduced the in vivo virulence of wild-type P. aeruginosa as well as lasR mutants in Caenorhabditis elegans. Overall, low-concentration curvularin is a pure RhlR antagonist in P. aeruginosa, and to the best of our knowledge, this is the first report describing an RhlR antagonist from natural resources. Hence, curvularin has great potential for the development of chronic P. aeruginosa infection therapeutics and for the study of RhlR function in the complex QS system.
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Affiliation(s)
- Ha-Young Choi
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, South Korea
- Department of Bio-Molecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, South Korea
| | - Duc Dat Le
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, South Korea
| | - Won-Gon Kim
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, South Korea
- Department of Bio-Molecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, South Korea
- *Correspondence: Won-Gon Kim,
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Zaman KAU, Wu X, Sarotti AM, Cao S. New and bioactive polyketides from Hawaiian marine-derived fungus Trichoderma sp. FM652. Nat Prod Res 2022; 36:5984-5990. [PMID: 35337234 DOI: 10.1080/14786419.2022.2056890] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Two new sorbicillinoid derivatives (1 and 2), together with ten other related compounds (3-12) were isolated from a Hawaiian marine fungal strain Trichoderma sp. FM652. The structures of compounds 1 and 2, including the absolute configuration, were elucidated by extensive analysis of NMR spectroscopy, HRESIMS and electronic circular dichroism (ECD) data. Compounds 6-12 exhibited significant anti-proliferative activity against ovarian cancer cell line A2780, with the IC50 values ranging from 0.5 to 8.07 μM. Moreover, compounds 1, 7 and 8 showed significant inhibition against NF-κB with IC50 values of 13.83, 24.40 and 14.63 µM, respectively. Compounds 6, 9 and 12 also demonstrated moderate inhibitory activity against S. aureus and methicillin resistant S. aureus with the MIC values in the range of 10-40 μg/mL.
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Affiliation(s)
- Kh Ahammad Uz Zaman
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawai'i at Hilo, Hilo, Hawaii, United States
| | - Xiaohua Wu
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawai'i at Hilo, Hilo, Hawaii, United States
| | - Ariel M Sarotti
- Instituto de Química Rosario (CONICET), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina
| | - Shugeng Cao
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawai'i at Hilo, Hilo, Hawaii, United States
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Kuttikrishnan S, Prabhu KS, Al Sharie AH, Al Zu'bi YO, Alali FQ, Oberlies NH, Ahmad A, El-Elimat T, Uddin S. Natural resorcylic acid lactones: A chemical biology approach for anticancer activity. Drug Discov Today 2021; 27:547-557. [PMID: 34655796 DOI: 10.1016/j.drudis.2021.10.001] [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] [Received: 06/14/2021] [Revised: 06/25/2021] [Accepted: 10/05/2021] [Indexed: 12/13/2022]
Abstract
Resorcylic acid lactones (RALs) are fungal polyketides that consist of a β-resorcylic acid residue (2,4-dihydroxybenzoic acid) embedded in a macrolactone ring. RALs exhibit a broad range of biological activities, including anticancer activities. Following discovery of the selective Hsp90 inhibition activity of radicicol, the kinase inhibition activity of hypothemycin, monocillin II, 5Z-7-oxo-zeaenol, and L-783,277 RALs, and the nuclear factor kappa B (NF-κB) inhibition activity of the RAL zearalenone, have attracted great attention as potential therapeutics for cancer treatment. In this minireview, we focus on natural RALs that possess cytotoxic activities [IC50 values < 10 μM (or 4-5 μg/ml)], discussing their structures, isolation, occurrence, biological activities, and anticancer molecular mechanisms.
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Affiliation(s)
- Shilpa Kuttikrishnan
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Biomedical and Pharmaceutical Research Unit, QU Health, Qatar University, Doha, Qatar
| | - Kirti S Prabhu
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Ahmed H Al Sharie
- Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Yazan O Al Zu'bi
- Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Feras Q Alali
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, Doha, Qatar; QU Health, Qatar University, Doha, Qatar
| | - Nicholas H Oberlies
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402, United States
| | - Aamir Ahmad
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Tamam El-Elimat
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid 22110, Jordan.
| | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Laboratory of Animal Research Center, Qatar University, Doha, Qatar.
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11
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Cytotoxicity and Nitric Oxide Production Inhibitory Activities of Compounds Isolated from the Plant Pathogenic Fungus Curvularia sp. J Fungi (Basel) 2021; 7:jof7060408. [PMID: 34067453 PMCID: PMC8224630 DOI: 10.3390/jof7060408] [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: 05/09/2021] [Revised: 05/16/2021] [Accepted: 05/20/2021] [Indexed: 11/17/2022] Open
Abstract
Chemical investigation of the mycelia of the pathogenic fungus Curvularia sp. which was isolated from a leaf of Dactyloctenium aegyptium (crowfoot grass), resulted in the isolation of a new compound, curvulariahawadride (5), along with five known compounds (1-4, and 6). Their structures were determined on the basis of spectroscopic data, including 1D and 2D NMR and HRESIMS. The absolute configuration of 5 was established from experimental and calculated electronic circular dichroism (ECD). Compounds 1, 3, and 5 showed nitric oxide (NO) production inhibitory activity with IC50 values of 53.7, 32.8, and 12.8 µM, respectively. Compounds 2 and 4 showed significant cytotoxicity against lung cancer A549, colorectal cancer SW480, and leukemic K562 cells with an IC50 ranging value of 11.73 to 17.59 µM.
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Zhou F, Zhou Y, Guo Z, Yu X, Deng Z. Review of 10,11-Dehydrocurvularin: Synthesis, Structural Diversity, Bioactivities and Mechanisms. Mini Rev Med Chem 2021; 22:836-847. [PMID: 33913403 DOI: 10.2174/1389557521666210428132256] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 02/15/2021] [Accepted: 02/15/2021] [Indexed: 11/22/2022]
Abstract
10,11-Dehydrocurvularin is a natural benzenediol lactone (BDL) with a 12-membered macrolide fused to resorcinol ring produced as secondary metabolite by many fungi. In this review, we summarized literatures regarding the biosynthesis, chemical synthesis, biological activities and assumed work mechanisms of 10,11-dehydrocurvularin, which presented potential for agricultural and pharmaceutical uses.
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Affiliation(s)
- FuGui Zhou
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, China
| | - Yiqing Zhou
- School of Biotechnology and Food Engineering, Changshu Institute of Technology, Suzhou, Jiangsu, China
| | - ZhiYong Guo
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, China
| | - XianJun Yu
- Laboratory of Inflammation and Molecular Pharmacology, School of Basic Medical Sciences & Biomedical Research Institute, Hubei Key Laboratory of Embryonic Stem Cell Research,Hubei Key Laboratory of Wudang Local Chinese Medicine Research,Hubei University of Medicine, Shiyan, China
| | - Zhangshuang Deng
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, China
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Khiralla A, Spina R, Varbanov M, Philippot S, Lemiere P, Slezack-Deschaumes S, André P, Mohamed I, Yagi SM, Laurain-Mattar D. Evaluation of Antiviral, Antibacterial and Antiproliferative Activities of the Endophytic Fungus Curvularia papendorfii, and Isolation of a New Polyhydroxyacid. Microorganisms 2020; 8:microorganisms8091353. [PMID: 32899776 PMCID: PMC7564059 DOI: 10.3390/microorganisms8091353] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/30/2020] [Accepted: 08/31/2020] [Indexed: 12/14/2022] Open
Abstract
An endophytic fungus isolated from Vernonia amygdalina, a medicinal plant from Sudan, was taxonomically characterized as Curvularia papendorfii. Ethyl acetate crude extract of C. papendorfii revealed an important antiviral effect against two viral pathogens, the human coronavirus HCoV 229E and a norovirus surrogate, the feline coronavirus FCV F9. For the last one, 40% of the reduction of the virus-induced cytopathogenic effect at lower multiplicity of infection (MOI) 0.0001 was observed. Selective antibacterial activity was obtained against Staphylococcus sp. (312 µg/mL), and interesting antiproliferative activity with half maximal inhibitory concentration (IC50) value of 21.5 ± 5.9 µg/mL was observed against human breast carcinoma MCF7 cell line. Therefore, C. papendorfii crude extract was further investigated and fractionated. Twenty-two metabolites were identified by gas chromatography coupled to mass spectrometry (GC–MS), and two pure compounds, mannitol and a new polyhydroxyacid, called kheiric acid, were characterized. A combination of spectroscopic methods was used to elucidate the structure of the new aliphatic carboxylic acid: kheiric acid (3,7,11,15-tetrahydroxy-18-hydroxymethyl-14,16,20,22,24-pentamethyl-hexacosa-4E,8E,12E,16,18-pentaenoic acid). Kheiric acid showed an interesting result with a minimum inhibitory concentration (MIC) value of 62.5 µg/mL against meticillin-resistant Staphylococcus aureus (MRSA). Hence, endophytes associated with medicinal plants from Sudan merit more attention, as they could be a treasure of new bioactive compounds.
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Affiliation(s)
- Afra Khiralla
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (A.K.); (M.V.); (S.P.); (P.L.)
- Botany Department, Faculty of Sciences and Technologies, Shendi University, P.O. Box 142 Shendi, Sudan
| | - Rosella Spina
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (A.K.); (M.V.); (S.P.); (P.L.)
- Correspondence: (R.S.); (D.L.-M.); Tel.: +33-3-7274-5226 (R.S.); +33-3-7274-5675 (D.L.-M.)
| | - Mihayl Varbanov
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (A.K.); (M.V.); (S.P.); (P.L.)
| | - Stéphanie Philippot
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (A.K.); (M.V.); (S.P.); (P.L.)
| | - Pascal Lemiere
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (A.K.); (M.V.); (S.P.); (P.L.)
| | | | - Philippe André
- Université de Strasbourg, UMR 7021 CNRS, 67401 Illkirch, France;
| | - Ietidal Mohamed
- Department of Botany, Faculty of Science, University of Khartoum, 11115 Khartoum, Sudan; (I.M.); (S.M.Y.)
| | - Sakina Mohamed Yagi
- Department of Botany, Faculty of Science, University of Khartoum, 11115 Khartoum, Sudan; (I.M.); (S.M.Y.)
| | - Dominique Laurain-Mattar
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (A.K.); (M.V.); (S.P.); (P.L.)
- Correspondence: (R.S.); (D.L.-M.); Tel.: +33-3-7274-5226 (R.S.); +33-3-7274-5675 (D.L.-M.)
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Capon RJ. Extracting value: mechanistic insights into the formation of natural product artifacts – case studies in marine natural products. Nat Prod Rep 2020; 37:55-79. [DOI: 10.1039/c9np00013e] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This review highlights the importance of valuing natural product handling artifacts, to open a new window into, and provide a unique perspective of, bioactive chemical space.
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Affiliation(s)
- Robert J. Capon
- Division of Chemistry and Structural Biology
- Institute for Molecular Bioscience
- The University of Queensland
- St Lucia
- Australia
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15
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Marine Macrolides with Antibacterial and/or Antifungal Activity. Mar Drugs 2019; 17:md17040241. [PMID: 31018512 PMCID: PMC6520931 DOI: 10.3390/md17040241] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 04/19/2019] [Accepted: 04/19/2019] [Indexed: 12/11/2022] Open
Abstract
Currently, the increasing resistance of microorganisms to antibiotics is a serious problem. Marine organisms are the source of thousands of substances, which also have antibacterial and antifungal effects. Among them, marine macrolides are significant. In this review, the antibacterial and/or antifungal activities of 34 groups of marine macrolides are presented. Exemplary groups are chalcomycins, curvulides, halichondramides, lobophorins, macrolactins, modiolides, scytophycins, spongistatins, or zearalanones. In the paper, 74 antibiotics or their analog sets, among which 29 with antifungal activity, 25 that are antibacterial, and 20 that are both antifungal and antibacterial are summarized. Also, 36 macrolides or their sets are produced by bacteria, 18 by fungi, ten by sponges, seven by algae, two by porifera, and one by nudibranch. Moreover, the chemical structures of representatives from each of the 34 groups of these antibiotics are presented. To summarize, marine organisms are rich in natural macrolides. Some of these may be used in the future in the treatment of bacterial and fungal infections. Marine macrolides can also be potential drugs applicable against pathogens resistant to currently known antibiotics.
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Khiralla A, Spina R, Saliba S, Laurain-Mattar D. Diversity of natural products of the genera Curvularia and Bipolaris. FUNGAL BIOL REV 2019. [DOI: 10.1016/j.fbr.2018.09.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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17
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Uzma F, Mohan CD, Hashem A, Konappa NM, Rangappa S, Kamath PV, Singh BP, Mudili V, Gupta VK, Siddaiah CN, Chowdappa S, Alqarawi AA, Abd Allah EF. Endophytic Fungi-Alternative Sources of Cytotoxic Compounds: A Review. Front Pharmacol 2018; 9:309. [PMID: 29755344 PMCID: PMC5932204 DOI: 10.3389/fphar.2018.00309] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 03/16/2018] [Indexed: 12/29/2022] Open
Abstract
Cancer is a major cause of death worldwide, with an increasing number of cases being reported annually. The elevated rate of mortality necessitates a global challenge to explore newer sources of anticancer drugs. Recent advancements in cancer treatment involve the discovery and development of new and improved chemotherapeutics derived from natural or synthetic sources. Natural sources offer the potential of finding new structural classes with unique bioactivities for cancer therapy. Endophytic fungi represent a rich source of bioactive metabolites that can be manipulated to produce desirable novel analogs for chemotherapy. This review offers a current and integrative account of clinically used anticancer drugs such as taxol, podophyllotoxin, camptothecin, and vinca alkaloids in terms of their mechanism of action, isolation from endophytic fungi and their characterization, yield obtained, and fungal strain improvement strategies. It also covers recent literature on endophytic fungal metabolites from terrestrial, mangrove, and marine sources as potential anticancer agents and emphasizes the findings for cytotoxic bioactive compounds tested against specific cancer cell lines.
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Affiliation(s)
- Fazilath Uzma
- Microbial Metabolite Research Laboratory, Department of Microbiology and Biotechnology, Bangalore University, Bangalore, India
| | - Chakrabhavi D Mohan
- Department of Studies in Molecular Biology, University of Mysore, Mysore, India
| | - Abeer Hashem
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | | | - Shobith Rangappa
- Adichunchanagiri Institute for Molecular Medicine, BG Nagara, Mandya, India
| | - Praveen V Kamath
- Microbial Metabolite Research Laboratory, Department of Microbiology and Biotechnology, Bangalore University, Bangalore, India
| | - Bhim P Singh
- Molecular Microbiology and Systematics Laboratory, Department of Biotechnology, Mizoram University, Aizawl, India
| | - Venkataramana Mudili
- Microbiology Division, DRDO-BU-Centre for Life sciences, Bharathiar University, Coimbatore, India
| | - Vijai K Gupta
- Department of Chemistry and Biotechnology, ERA Chair of Green Chemistry, School of Science, Tallinn University of Technology, Tallinn, Estonia
| | - Chandra N Siddaiah
- Department of Studies in Biotechnology, University of Mysore, Mysore, India
| | - Srinivas Chowdappa
- Microbial Metabolite Research Laboratory, Department of Microbiology and Biotechnology, Bangalore University, Bangalore, India
| | - Abdulaziz A Alqarawi
- Plant Production Department, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Elsayed F Abd Allah
- Plant Production Department, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
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18
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Marine-Derived Penicillium Species as Producers of Cytotoxic Metabolites. Mar Drugs 2017; 15:md15100329. [PMID: 29064452 PMCID: PMC5666435 DOI: 10.3390/md15100329] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 09/30/2017] [Accepted: 10/09/2017] [Indexed: 12/16/2022] Open
Abstract
Since the discovery of penicillin, Penicillium has become one of the most attractive fungal genera for the production of bioactive molecules. Marine-derived Penicillium has provided numerous excellent pharmaceutical leads over the past decades. In this review, we focused on the cytotoxic metabolites * (* Cytotoxic potency was referred to five different levels in this review, extraordinary (IC50/LD50: <1 μM or 0.5 μg/mL); significant (IC50/LD50: 1~10 μM or 0.5~5 μg/mL); moderate (IC50/LD50: 10~30 μM or 5~15 μg/mL); mild (IC50/LD50: 30~50 μM or 15~25 μg/mL); weak (IC50/LD50: 50~100 μM or 25~50 μg/mL). The comparative potencies of positive controls were referred when they were available). produced by marine-derived Penicillium species, and on their cytotoxicity mechanisms, biosyntheses, and chemical syntheses.
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19
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Anti-Inflammatory Effects of Curvularin-Type Metabolites from a Marine-Derived Fungal Strain Penicillium sp. SF-5859 in Lipopolysaccharide-Induced RAW264.7 Macrophages. Mar Drugs 2017; 15:md15090282. [PMID: 28869509 PMCID: PMC5618421 DOI: 10.3390/md15090282] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 08/18/2017] [Accepted: 08/30/2017] [Indexed: 01/06/2023] Open
Abstract
Chemical study on the extract of a marine-derived fungal strain Penicillium sp. SF-5859 yielded a new curvularin derivative (1), along with eight known curvularin-type polyketides (2–9). The structures of these metabolites (1–9) were established by comprehensive spectroscopic analyses, including 1D and 2D nuclear magnetic resonance (NMR) spectroscopy, and mass spectrometry (MS). In vitro anti-inflammatory effects of these metabolites were evaluated in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. Among these metabolites, 3–9 were shown to strongly inhibit LPS-induced overproduction of nitric oxide (NO) and prostaglandin E2 (PGE2) with IC50 values ranging from 1.9 μM to 18.1 μM, and from 2.8 μM to 18.7 μM, respectively. In the further evaluation of signal pathways involved in these effects, the most active compound, (10E,15S)-10,11-dehydrocurvularin (8) attenuated the expression of inducible NO synthase (iNOS) and cyclooxygenase-2 (COX-2) in LPS-stimulated RAW264.7 macrophages. Furthermore, compound 8 was shown to suppress the upregulation of pro-inflammatory mediators and cytokines via the inhibition of the nuclear factor-κB (NF-κB) signaling pathway, but not through the mitogen-activated protein kinase (MAPK) pathway. Based on the comparisons of the different magnitude of the anti-inflammatory effects of these structurally-related metabolites, it was suggested that the opening of the 12-membered lactone ring in curvularin-type metabolites and blocking the phenol functionality led to the significant decrease in their anti-inflammatory activity.
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20
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Bashyal BP, Kithsiri Wijeratne EM, Tillotson J, Arnold AE, Chapman E, Leslie Gunatilaka AA. Chlorinated Dehydrocurvularins and Alterperylenepoxide A from Alternaria sp. AST0039, a Fungal Endophyte of Astragalus lentiginosus. JOURNAL OF NATURAL PRODUCTS 2017; 80:427-433. [PMID: 28139929 PMCID: PMC5504521 DOI: 10.1021/acs.jnatprod.6b00960] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Investigation of Alternaria sp. AST0039, an endophytic fungus obtained from the leaf tissue of Astragalus lentiginosus, led to the isolation of (-)-(10E,15S)-4,6-dichloro-10(11)-dehydrocurvularin (1), (-)-(10E,15S)-6-chloro-10(11)-dehydrocurvularin (2), (-)-(10E,15S)-10(11)-dehydrocurvularin (3), and alterperylenepoxide A (4) together with scytalone and α-acetylorcinol. Structures of 1 and 4 were established from their spectroscopic data, and the relative configuration of 4 was determined with the help of nuclear Overhauser effect difference data. All metabolites were evaluated for their cytotoxic activity and ability to induce heat-shock and unfolded protein responses. Compounds 2 and 3 exhibited cytotoxicity to all five cancer cell lines tested and increased the level of the pro-apoptotic transcription factor CHOP, but only 3 induced the heat-shock response and caused a strong unfolded protein response.
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Affiliation(s)
- Bharat P. Bashyal
- Natural Products Center, School of Natural Resources and the Environment, College of Agriculture and Life Sciences, University of Arizona, 250 E. Valencia Road, Tucson, Arizona 85706, United States
| | - E. M. Kithsiri Wijeratne
- Natural Products Center, School of Natural Resources and the Environment, College of Agriculture and Life Sciences, University of Arizona, 250 E. Valencia Road, Tucson, Arizona 85706, United States
| | - Joseph Tillotson
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721, United States
| | - A. Elizabeth Arnold
- School of Plant Sciences, College of Agriculture and Life Sciences, University of Arizona, Tucson, Arizona 85721, United States
| | - Eli Chapman
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721, United States
| | - A. A. Leslie Gunatilaka
- Natural Products Center, School of Natural Resources and the Environment, College of Agriculture and Life Sciences, University of Arizona, 250 E. Valencia Road, Tucson, Arizona 85706, United States
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Mondol MAM, Farthouse J, Islam MT, Schüffler A, Laatsch H. Metabolites from the Endophytic Fungus Curvularia sp. M12 Act as Motility Inhibitors against Phytophthora capsici Zoospores. JOURNAL OF NATURAL PRODUCTS 2017; 80:347-355. [PMID: 28195475 DOI: 10.1021/acs.jnatprod.6b00785] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The endophytic fungus Curvularia sp., strain M12, was isolated from a leaf of the medicinal plant Murraya koenigii and cultured on rice medium followed by chemical screening of the culture extract. Chromatographic analysis led to the isolation of four new compounds, murranofuran A (1), murranolide A (2), murranopyrone (3a), and murranoic acid A (4a), along with six known metabolites, N-(2-hydroxy-6-methoxyphenyl)acetamide (5), curvularin (6), (S)-dehydrocurvularin (7), pyrenolide A (8), modiolide A (9), and 8-hydroxy-6-methoxy-3-methylisocoumarin (10). The structures of the known compounds were confirmed by comparing ESI HR mass spectra, 1H and 13C NMR, and optical rotation data with values reported in the literature. The planar structures of the new compounds were elucidated by extensive analysis of 1D and 2D NMR and mass data. The absolute configurations of the new compounds were established by coupling constant analysis, modified Mosher's method, and CD data. Compound 8 showed a strong motility impairing activity against Phytophthora capsici zoospores at a low concentration (100% at 0.5 μg/mL) in a short time (30 min). Compounds 2, 3a, 6, 7, 9, and 10 exhibited zoospore motility impairment activity at higher concentrations (IC50: 50-100 μg/mL).
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Affiliation(s)
- Muhammad Abdul Mojid Mondol
- Institute for Organic and Biomolecular Chemistry, Georg-August-University Göttingen , Tamannstrasse 2, D-37077 Göttingen, Germany
| | - Jannatul Farthouse
- Department of Biotechnology, Bangabandhu Sheikh Mujibur Rahman Agricultural University , Gazipur-1706, Bangladesh
| | - Mohammad Tofazzal Islam
- Department of Biotechnology, Bangabandhu Sheikh Mujibur Rahman Agricultural University , Gazipur-1706, Bangladesh
| | - Anja Schüffler
- Institute of Biotechnology and Drug Research , D-67663 Kaiserslautern, Germany
| | - Hartmut Laatsch
- Institute for Organic and Biomolecular Chemistry, Georg-August-University Göttingen , Tamannstrasse 2, D-37077 Göttingen, Germany
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Wu YH, Zhang ZH, Zhong Y, Huang JJ, Li XX, Jiang JY, Deng YY, Zhang LH, He F. Sumalactones A–D, four new curvularin-type macrolides from a marine deep sea fungus Penicillium Sumatrense. RSC Adv 2017. [DOI: 10.1039/c7ra06933b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Four new curvularin-type macrolides were isolated from a marine fungus Penicillium Sumatrense and their absolute configurations were determined by CD spectra and modified Mosher's methods.
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Affiliation(s)
- Yue-Hua Wu
- Integrative Microbiology Research Centre
- College of Agriculture
- South China Agricultural University
- Guangzhou 510642
- People's Republic of China
| | - Zhi-Han Zhang
- Integrative Microbiology Research Centre
- College of Agriculture
- South China Agricultural University
- Guangzhou 510642
- People's Republic of China
| | - Yue Zhong
- Integrative Microbiology Research Centre
- College of Agriculture
- South China Agricultural University
- Guangzhou 510642
- People's Republic of China
| | - Jun-Jun Huang
- Pharmaceutical Research Center
- School of Pharmacology
- Guangzhou Medical University
- Guangzhou 510182
- People's Republic of China
| | - Xiao-Xia Li
- Integrative Microbiology Research Centre
- College of Agriculture
- South China Agricultural University
- Guangzhou 510642
- People's Republic of China
| | - Jin-Yan Jiang
- Integrative Microbiology Research Centre
- College of Agriculture
- South China Agricultural University
- Guangzhou 510642
- People's Republic of China
| | - Yin-Yue Deng
- Integrative Microbiology Research Centre
- College of Agriculture
- South China Agricultural University
- Guangzhou 510642
- People's Republic of China
| | - Lian-Hui Zhang
- Integrative Microbiology Research Centre
- College of Agriculture
- South China Agricultural University
- Guangzhou 510642
- People's Republic of China
| | - Fei He
- Integrative Microbiology Research Centre
- College of Agriculture
- South China Agricultural University
- Guangzhou 510642
- People's Republic of China
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23
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Shang Z, Khalil Z, Li L, Salim AA, Quezada M, Kalansuriya P, Capon RJ. Roseopurpurins: Chemical Diversity Enhanced by Convergent Biosynthesis and Forward and Reverse Michael Additions. Org Lett 2016; 18:4340-3. [DOI: 10.1021/acs.orglett.6b02099] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zhuo Shang
- Institute
for Molecular Bioscience, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Zeinab Khalil
- Institute
for Molecular Bioscience, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Li Li
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Angela A. Salim
- Institute
for Molecular Bioscience, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Michelle Quezada
- Institute
for Molecular Bioscience, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Pabasara Kalansuriya
- Institute
for Molecular Bioscience, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Robert J. Capon
- Institute
for Molecular Bioscience, The University of Queensland, St. Lucia, QLD 4072, Australia
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24
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de Castro MV, Ióca LP, Williams DE, Costa BZ, Mizuno CM, Santos MFC, de Jesus K, Ferreira ÉLF, Seleghim MHR, Sette LD, Pereira Filho ER, Ferreira AG, Gonçalves NS, Santos RA, Patrick BO, Andersen RJ, Berlinck RGS. Condensation of Macrocyclic Polyketides Produced by Penicillium sp. DRF2 with Mercaptopyruvate Represents a New Fungal Detoxification Pathway. JOURNAL OF NATURAL PRODUCTS 2016; 79:1668-1678. [PMID: 27227682 DOI: 10.1021/acs.jnatprod.6b00295] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Application of a refined procedure of experimental design and chemometric analysis to improve the production of curvularin-related polyketides by a marine-derived Penicillium sp. DRF2 resulted in the isolation and identification of cyclothiocurvularins 6-8 and cyclosulfoxicurvularins 10 and 11, novel curvularins condensed with a mercaptolactate residue. Two additional new curvularins, 3 and 4, are also reported. The structures of the sulfur-bearing curvularins were unambiguously established by analysis of spectroscopic data and by X-ray diffraction analysis. Analysis of stable isotope feeding experiments with [U-(13)C3(15)N]-l-cysteine confirmed the presence of the 2-hydroxy-3-mercaptopropanoic acid residue in 6-8 and the oxidized sulfoxide in 10 and 11. Cyclothiocurvularins A (6) and B (7) are formed by spontaneous reaction between 10,11-dehydrocurvularin (2) and mercaptopyruvate (12) obtained by transamination of cysteine. High ratios of [U-(13)C3(15)N]-l-cysteine incorporation into cyclothiocurvularin B (7), the isolation of two diastereomers of cyclothiocurvularins, the lack of cytotoxicity of cyclothiocurvularin B (7) and its methyl ester (8), and the spontaneous formation of cyclothiocurvularins from 10,11-dehydrocurvularin and mercaptopyruvate provide evidence that the formation of cyclothiocurvularins may well correspond to a 10,11-dehydrocurvularin detoxification process by Penicillium sp. DRF2.
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Affiliation(s)
- Marcos V de Castro
- Instituto de Quimica de São Carlos, Universidade de São Paulo , CP 780, CEP 13560-970, São Carlos, SP, Brazil
| | - Laura P Ióca
- Instituto de Quimica de São Carlos, Universidade de São Paulo , CP 780, CEP 13560-970, São Carlos, SP, Brazil
| | - David E Williams
- Departments of Chemistry and Earth, Ocean & Atmospheric Sciences, University of British Columbia , Vancouver, BC V6T 1Z1, Canada
| | - Bruna Z Costa
- Instituto de Quimica, Universidade Estadual de Campinas , Caixa Postal 6154, CEP 13083-970, Campinas, SP, Brazil
| | - Carolina M Mizuno
- Instituto de Quimica de São Carlos, Universidade de São Paulo , CP 780, CEP 13560-970, São Carlos, SP, Brazil
- Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Carlos , São Carlos, SP, Brazil
| | - Mario F C Santos
- Instituto de Quimica de São Carlos, Universidade de São Paulo , CP 780, CEP 13560-970, São Carlos, SP, Brazil
| | - Karen de Jesus
- Instituto de Quimica de São Carlos, Universidade de São Paulo , CP 780, CEP 13560-970, São Carlos, SP, Brazil
| | - Éverton L F Ferreira
- Instituto de Quimica de São Carlos, Universidade de São Paulo , CP 780, CEP 13560-970, São Carlos, SP, Brazil
| | - Mirna H R Seleghim
- Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Carlos , São Carlos, SP, Brazil
| | - Lara D Sette
- Departamento de Bioquímica e Microbiologia, Instituto de Biociências, Universidade Estadual Paulista "Júlio de Mesquita Filho" , Campus Rio Claro, Avenida 24-A, 1515, Rio Claro, SP, Brazil
| | - Edenir R Pereira Filho
- Departamento de Química, Universidade Federal de São Carlos , CEP 13565-905, São Carlos, SP, Brazil
| | - Antonio G Ferreira
- Departamento de Química, Universidade Federal de São Carlos , CEP 13565-905, São Carlos, SP, Brazil
| | - Natália S Gonçalves
- Laboratório de Genética e Biologia Molecular, Universidade de Franca , Avenida Dr. Armando Salles Oliveira, 201. Pq. Universitário, Franca, SP, Brazil
| | - Raquel A Santos
- Laboratório de Genética e Biologia Molecular, Universidade de Franca , Avenida Dr. Armando Salles Oliveira, 201. Pq. Universitário, Franca, SP, Brazil
| | - Brian O Patrick
- Department of Chemistry, University of British Columbia , Vancouver, BC V6T 1Z1, Canada
| | - Raymond J Andersen
- Departments of Chemistry and Earth, Ocean & Atmospheric Sciences, University of British Columbia , Vancouver, BC V6T 1Z1, Canada
| | - Roberto G S Berlinck
- Instituto de Quimica de São Carlos, Universidade de São Paulo , CP 780, CEP 13560-970, São Carlos, SP, Brazil
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Choe H, Pham TT, Lee JY, Latif M, Park H, Kang YK, Lee J. Remote Stereoinductive Intramolecular Nitrile Oxide Cycloaddition: Asymmetric Total Synthesis and Structure Revision of (-)-11β-Hydroxycurvularin. J Org Chem 2016; 81:2612-7. [PMID: 26894643 DOI: 10.1021/acs.joc.5b02760] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The first total synthesis and structure revision of (-)-11β-hydroxycurvularin (1b), a macrolide possessing a β-hydroxyketone moiety, were accomplished. The β-hydroxyketone moiety in this natural product was introduced by cleavage of the N-O bond in an isoxazoline ring that was formed diastereoselectively in a 1,5-remote stereocontrolled fashion by employing intramolecular nitrile oxide cycloaddition.
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Affiliation(s)
- Hyeonjeong Choe
- Drug Discovery Division, Korea Research Institute of Chemical Technology , Yuseong, Daejeon 34114, Republic of Korea
| | - Thuy Trang Pham
- College of Pharmacy, Kangwon National University , 1 Kangwondaehak-gil, Chuncheon, Gangwon-do 24341, Republic of Korea
| | - Joo Yun Lee
- Drug Discovery Division, Korea Research Institute of Chemical Technology , Yuseong, Daejeon 34114, Republic of Korea
| | - Muhammad Latif
- Drug Discovery Division, Korea Research Institute of Chemical Technology , Yuseong, Daejeon 34114, Republic of Korea
| | - Haeil Park
- College of Pharmacy, Kangwon National University , 1 Kangwondaehak-gil, Chuncheon, Gangwon-do 24341, Republic of Korea
| | - Young Kee Kang
- Department of Chemistry, Chungbuk National University , 1 Chungdae-ro, Seowon-gu, Cheongju, Chungbuk 28644, Republic of Korea
| | - Jongkook Lee
- College of Pharmacy, Kangwon National University , 1 Kangwondaehak-gil, Chuncheon, Gangwon-do 24341, Republic of Korea
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Horsman ME, Hari TPA, Boddy CN. Polyketide synthase and non-ribosomal peptide synthetase thioesterase selectivity: logic gate or a victim of fate? Nat Prod Rep 2016; 33:183-202. [DOI: 10.1039/c4np00148f] [Citation(s) in RCA: 112] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Thioesterases (TEs) are product offloading enzymes from FAS, PKS, and NRPS complexes. We review the diversity, structure, and mechanism of PKS and NRPS TEs and analyze TE loading and release steps as possible logic gates with a view to predicting TE function in new pathways.
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Affiliation(s)
- Mark E. Horsman
- Department of chemistry
- Centre for Catalysis Research and Innovation
- University of Ottawa
- Canada
| | - Taylor P. A. Hari
- Department of chemistry
- Centre for Catalysis Research and Innovation
- University of Ottawa
- Canada
| | - Christopher N. Boddy
- Department of chemistry
- Centre for Catalysis Research and Innovation
- University of Ottawa
- Canada
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Cochrane RVK, Gao Z, Lambkin GR, Xu W, Winter JM, Marcus SL, Tang Y, Vederas JC. Comparison of 10,11-Dehydrocurvularin Polyketide Synthases from Alternaria cinerariae and Aspergillus terreus Highlights Key Structural Motifs. Chembiochem 2015; 16:2479-83. [PMID: 26493380 PMCID: PMC4804156 DOI: 10.1002/cbic.201500428] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Indexed: 11/09/2022]
Abstract
Iterative type I polyketide synthases (PKSs) from fungi are multifunctional enzymes that use their active sites repeatedly in a highly ordered sequence to assemble complex natural products. A phytotoxic macrolide with anticancer properties, 10,11-dehydrocurvularin (DHC), is produced by cooperation of a highly reducing (HR) iterative PKS and a non-reducing (NR) iterative PKS. We have identified the DHC gene cluster in Alternaria cinerariae, heterologously expressed the active HR PKS (Dhc3) and NR PKS (Dhc5) in yeast, and compared them to corresponding proteins that make DHC in Aspergillus terreus. Phylogenetic analysis and homology modeling of these enzymes identified variable surfaces and conserved motifs that are implicated in product formation.
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Affiliation(s)
- Rachel V K Cochrane
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Zhizeng Gao
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Gareth R Lambkin
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Wei Xu
- Department of Chemical and Biomolecular Engineering and, Department of Chemistry and Biochemistry, University of California, Los Angeles, CA, 90095, USA
| | - Jaclyn M Winter
- Department of Medicinal Chemistry, The University of Utah, Salt Lake City, Utah, 84112, USA
| | - Sandra L Marcus
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Yi Tang
- Department of Chemical and Biomolecular Engineering and, Department of Chemistry and Biochemistry, University of California, Los Angeles, CA, 90095, USA
| | - John C Vederas
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada.
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A new fusarielin analogue from Penicillium sp. isolated from the Mediterranean sponge Ircinia oros. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.07.072] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Deng Z, Deng A, Luo D, Gong D, Zou K, Peng Y, Guo Z. Biotransformation of (-)-(10 E,15 S)-10,11-Dehydrocurvularin. Nat Prod Commun 2015. [DOI: 10.1177/1934578x1501000735] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
(-)-(10 E,15 S)-10,11-Dehydrocurvularin (1), produced from an associated-fungus of Scolopendra subspinipes mutilans on a gram scale, was microbiologically converted to curvularin (2) and 5-methoxycurvularin (3) by Antrodiella semisupina in 61% totally isolated yield. The structures of these compounds were elucidated on the basis of spectroscopic and mass spectrometric analysis. The undescribed assignments of 1H and 13C NMR spectral data for 5-methoxycurvularin (2) has now been explicitly provided. The cytotoxic activities of compounds 1-3 against four human cancer cell lines were evaluated. Dehydrocurvularin (1) showed moderate cytotoxicity against Caski and Hep-G2, and curvularin (2) was selectively cytotoxic against MDA-MB-231.
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Affiliation(s)
- Zhangshuang Deng
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, 443002, China
- Yichang Key Laboratory of Biocatalysis, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, 443002, China
| | - Aiping Deng
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, 443002, China
| | - Dan Luo
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, 443002, China
| | - Dachun Gong
- Yichang Key Laboratory of Biocatalysis, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, 443002, China
| | - Kun Zou
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, 443002, China
| | - Yan Peng
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, 443002, China
| | - Zhiyong Guo
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, 443002, China
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Ye X, Anjum K, Song T, Wang W, Yu S, Huang H, Lian XY, Zhang Z. A new curvularin glycoside and its cytotoxic and antibacterial analogues from marine actinomycete Pseudonocardia sp. HS7. Nat Prod Res 2015; 30:1156-61. [DOI: 10.1080/14786419.2015.1047775] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Xuewei Ye
- Ocean College, Zhejiang University, Hangzhou 310058, P.R. China
| | - Komal Anjum
- Ocean College, Zhejiang University, Hangzhou 310058, P.R. China
| | - Tengfei Song
- Ocean College, Zhejiang University, Hangzhou 310058, P.R. China
| | - Wenling Wang
- Ocean College, Zhejiang University, Hangzhou 310058, P.R. China
| | - Siran Yu
- Ocean College, Zhejiang University, Hangzhou 310058, P.R. China
| | - Haocai Huang
- Ocean College, Zhejiang University, Hangzhou 310058, P.R. China
| | - Xiao-Yuan Lian
- College of Pharmaceutical Sciences, Zhejiang University,, Hangzhou 310058, P.R. China
| | - Zhizhen Zhang
- Ocean College, Zhejiang University, Hangzhou 310058, P.R. China
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Shen W, Mao H, Huang Q, Dong J. Benzenediol lactones: a class of fungal metabolites with diverse structural features and biological activities. Eur J Med Chem 2015; 97:747-77. [DOI: 10.1016/j.ejmech.2014.11.067] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Revised: 11/04/2014] [Accepted: 11/26/2014] [Indexed: 12/12/2022]
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Beekman AM, Barrow RA. Syntheses of Cytosporones A, C, J, K, and N, Metabolites from Medicinal Fungi. Aust J Chem 2015. [DOI: 10.1071/ch15144] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The syntheses of the fungal metabolites cytosporones A, (±)-C, and N are reported. And the syntheses of cytosporones J and K are described for the first time. The preparation of racemic cytosporone J and racemic cytosporone K, natural products containing the rare 3-isochromanone substructure, was achieved in 8 linear steps with an overall yield of 45 % and 7 linear steps in 46 % yield, respectively, resulting in the complete characterization of these compounds for the first time. The key steps included a recently described homologation of benzoic acid to the analogous phenyl acetate using Birch reductive alkylation conditions, acylation of the appropriate phenyl acetate derivative, and a selective reduction and spontaneous biomimetic lactonization to yield the 3-isochromanone skeleton. The synthesized natural products were evaluated for their biological activity against several clinical strains of human pathogens with all compounds displaying weak antimicrobial activity.
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Meng LH, Li XM, Lv CT, Li CS, Xu GM, Huang CG, Wang BG. Sulfur-containing cytotoxic curvularin macrolides from Penicillium sumatrense MA-92, a fungus obtained from the rhizosphere of the mangrove Lumnitzera racemosa. JOURNAL OF NATURAL PRODUCTS 2013; 76:2145-2149. [PMID: 24195466 DOI: 10.1021/np400614f] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Sumalarins A-C (1-3), the new and rare examples of sulfur-containing curvularin derivatives, along with three known analogues (4-6), were isolated and identified from the cytotoxic extract of Penicillium sumatrense MA-92, a fungus obtained from the rhizosphere of the mangrove Lumnitzera racemosa . Their structures were established by detailed interpretation of NMR and MS data, and compound 1 was confirmed by X-ray crystallographic analysis. Compounds 1-3 and 5 showed potent cytotoxicity against some of the tested tumor cell lines. Sulfur substitution at C-11 or a double bond at C-10 significantly increased the cytotoxic activities of the curvularin analogues.
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Affiliation(s)
- Ling-Hong Meng
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences , Nanhai Road 7, Qingdao 266071, People's Republic of China
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Ebrahim W, Aly AH, Mándi A, Totzke F, Kubbutat MHG, Wray V, Lin WH, Dai H, Proksch P, Kurtán T, Debbab A. Decalactone Derivatives from Corynespora cassiicola, an Endophytic Fungus of the Mangrove Plant Laguncularia racemosa. European J Org Chem 2012. [DOI: 10.1002/ejoc.201200245] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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38
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Modiolide and pyrone derivatives from the sea fan-derived fungus Curvularia sp. PSU-F22. Arch Pharm Res 2011; 34:709-14. [DOI: 10.1007/s12272-011-0502-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2010] [Accepted: 09/26/2010] [Indexed: 10/18/2022]
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NF kappa B inhibitors and antitrypanosomal metabolites from endophytic fungus Penicillium sp. isolated from Limonium tubiflorum. Bioorg Med Chem 2011; 19:414-21. [DOI: 10.1016/j.bmc.2010.11.012] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2010] [Accepted: 11/05/2010] [Indexed: 11/20/2022]
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42
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Dai J, Krohn K, Flörke U, Pescitelli G, Kerti G, Papp T, Kövér KE, Bényei AC, Draeger S, Schulz B, Kurtán T. Curvularin-Type Metabolites from the Fungus Curvularia sp. Isolated from a Marine Alga. European J Org Chem 2010. [DOI: 10.1002/ejoc.201001237] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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43
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Oku N, Takada K, Fuller RW, Wilson JA, Peach ML, Pannell LK, McMahon JB, Gustafson KR. Isolation, structural elucidation, and absolute stereochemistry of enigmazole A, a cytotoxic phosphomacrolide from the Papua New Guinea marine sponge Cinachyrella enigmatica. J Am Chem Soc 2010; 132:10278-85. [PMID: 20590096 PMCID: PMC3850515 DOI: 10.1021/ja1016766] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Enigmazole A (1), a novel phosphate-containing macrolide, was isolated from a Papua New Guinea collection of the marine sponge Cinachyrella enigmatica. The structure of 1, including the absolute stereochemistry at all eight chiral centers, was determined by a combination of spectroscopic analyses and a series of microscale chemical derivatization studies. Compound 1 is comprised of an 18-membered phosphomacrolide that contains an embedded exomethylene-substituted tetrahydropyran ring and an acyclic portion that spans an embedded oxazole moiety. Two additional analogues, 15-O-methylenigmazole A and 13-hydroxy-15-O-methylenigmazole A, were also isolated and assigned. The enigmazoles are the first phosphomacrolides from a marine source and 1 exhibited significant cytotoxicity in the NCI 60-cell line antitumor screen, with a mean GI(50) of 1.7 microM.
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Affiliation(s)
- Naoya Oku
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, NCI-Frederick, Building 1052, Room 121, Frederick, Maryland 21701-1201
| | - Kentaro Takada
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, NCI-Frederick, Building 1052, Room 121, Frederick, Maryland 21701-1201
| | - Richard W. Fuller
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, NCI-Frederick, Building 1052, Room 121, Frederick, Maryland 21701-1201
| | - Jennifer A. Wilson
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, NCI-Frederick, Building 1052, Room 121, Frederick, Maryland 21701-1201
| | - Megan L. Peach
- Chemical Biology Laboratory, SAIC-Frederick, Inc., NCI-Frederick, Building 376, Frederick, Maryland, 21702
| | - Lewis K. Pannell
- Laboratory of Bioorganic Chemistry, National Institute of Diabetes and DigestiVe and Kidney Diseases, Bethesda, Maryland, 20892
| | - James B. McMahon
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, NCI-Frederick, Building 1052, Room 121, Frederick, Maryland 21701-1201
| | - Kirk R. Gustafson
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, NCI-Frederick, Building 1052, Room 121, Frederick, Maryland 21701-1201
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Abstract
Marine bacteria and fungi are of considerable importance as new promising sources of a huge number of biologically active products. Some of these marine species live in a stressful habitat, under cold, lightless and high pressure conditions. Surprisingly, a large number of species with high diversity survive under such conditions and produce fascinating and structurally complex natural products. Up till now, only a small number of microorganisms have been investigated for bioactive metabolites, yet a huge number of active substances with some of them featuring unique structural skeletons have been isolated. This review covers new biologically active natural products published recently (2007-09) and highlights the chemical potential of marine microorganisms, with focus on bioactive products as well as on their mechanisms of action.
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Affiliation(s)
- Abdessamad Debbab
- Institut für Pharmazeutische Biologie und Biotechnologie, Heinrich-Heine Universitaet Duesseldorf, Germany
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Blunt JW, Copp BR, Munro MHG, Northcote PT, Prinsep MR. Marine natural products. Nat Prod Rep 2010; 27:165-237. [DOI: 10.1039/b906091j] [Citation(s) in RCA: 322] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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