1
|
Zhang K, Liu J, Jiang Y, Sun S, Wang R, Sun J, Ma C, Chen Y, Wang W, Hou X, Zhu T, Zhang G, Che Q, Keyzers RA, Liu M, Li D. Sorbremnoids A and B: NLRP3 Inflammasome Inhibitors Discovered from Spatially Restricted Crosstalk of Biosynthetic Pathways. J Am Chem Soc 2024; 146:18172-18183. [PMID: 38888159 DOI: 10.1021/jacs.4c06538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
Crosstalk-oriented chemical evolution of natural products (NPs) is an efficacious strategy for generating novel skeletons through coupling reactions between NP fragments. In this study, two NOD-like receptor protein 3 (NLRP3) inflammasome inhibitors, sorbremnoids A and B (1 and 2), with unprecedented chemical architectures were identified from a fungus Penicillium citrinum. Compounds 1 and 2 exemplify rare instances of hybrid NPs formed via a major facilitator superfamily (MFS)-like enzyme by coupling reactive intermediates from two separate biosynthetic gene clusters (BGCs), pcisor and pci56. Both sorbremnoids A and B are NLRP3 inflammasome inhibitors. Sorbremnoid A demonstrated strong inhibition of IL-1β by directly binding to the NLRP3 protein, inhibiting the assembly and activation of the NLRP3 inflammasome in vitro, with potential application in diabetic refractory wound healing through the suppression of excessive inflammatory responses. This research will inspire the development of anti-NLRP3 inflammasome agents as lead treatments and enhance knowledge pertaining to NPs derived from biosynthetic crosstalk.
Collapse
Affiliation(s)
- Kaijin Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Junyu Liu
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Yuqi Jiang
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Simin Sun
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Rongrong Wang
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao 266237, China
| | - Jingxian Sun
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Chuanteng Ma
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Yinghan Chen
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Wenxue Wang
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Xuewen Hou
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Tianjiao Zhu
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Guojian Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao 266237, China
| | - Qian Che
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Robert A Keyzers
- School of Chemical and Physical Sciences and Centre for Biodiscovery, Victoria University of Wellington, Wellington 6012, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, Auckland 1142, New Zealand
| | - Ming Liu
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao 266237, China
| | - Dehai Li
- Key Laboratory of Marine Drugs, Ministry of Education, Sanya Oceanographic Institute, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao 266237, China
| |
Collapse
|
2
|
Luo X, Chen X, Zhang L, Liu B, Xie L, Ma Y, Zhang M, Jin X. Chemical Constituents and Biological Activities of Bruguiera Genus and Its Endophytes: A Review. Mar Drugs 2024; 22:158. [PMID: 38667775 PMCID: PMC11050931 DOI: 10.3390/md22040158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/19/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
The genus Bruguiera, a member of the Rhizophoraceae family, is predominantly found in coastal areas as a mangrove plant, boasting a rich and diverse community of endophytes. This review systematically compiled approximately 496 compounds derived from both the Bruguiera genus and its associated endophytes, including 152 terpenoids, 17 steroids, 16 sulfides, 44 alkaloids and peptides, 66 quinones, 68 polyketides, 19 flavonoids, 38 phenylpropanoids, 54 aromatic compounds, and 22 other compounds. Among these, 201 compounds exhibited a spectrum of activities, including cytotoxicity, antimicrobial, antioxidant, anti-inflammatory, antiviral, antidiabetic, insecticidal and mosquito repellent, and enzyme inhibitory properties, etc. These findings provided promising lead compounds for drug discovery. Certain similar or identical compounds were found to be simultaneously present in both Bruguiera plants and their endophytes, and the phenomenon of their interaction relationship was discussed.
Collapse
Affiliation(s)
- Xiongming Luo
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou 510006, China; (X.C.); (L.Z.); (B.L.); (L.X.)
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou 510006, China; (Y.M.); (M.Z.)
| | - Xiaohong Chen
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou 510006, China; (X.C.); (L.Z.); (B.L.); (L.X.)
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou 510006, China; (Y.M.); (M.Z.)
| | - Lingli Zhang
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou 510006, China; (X.C.); (L.Z.); (B.L.); (L.X.)
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou 510006, China; (Y.M.); (M.Z.)
| | - Bin Liu
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou 510006, China; (X.C.); (L.Z.); (B.L.); (L.X.)
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou 510006, China; (Y.M.); (M.Z.)
| | - Lian Xie
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou 510006, China; (X.C.); (L.Z.); (B.L.); (L.X.)
| | - Yan Ma
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou 510006, China; (Y.M.); (M.Z.)
- School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Min Zhang
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou 510006, China; (Y.M.); (M.Z.)
- School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Xiaobao Jin
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou 510006, China; (Y.M.); (M.Z.)
- School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
| |
Collapse
|
3
|
Cheesman MJ, Alcorn SR, White A, Cock IE. Hamamelis virginiana L. Leaf Extracts Inhibit the Growth of Antibiotic-Resistant Gram-Positive and Gram-Negative Bacteria. Antibiotics (Basel) 2023; 12:1195. [PMID: 37508291 PMCID: PMC10376399 DOI: 10.3390/antibiotics12071195] [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: 06/27/2023] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Virginian witch hazel (WH; Hamamelis virginiana L.; family: Hamamelidaceae) is a North American plant that is used traditionally to treat a variety of ailments, including bacterial infections. Solvents of varying polarity (water, methanol, ethyl acetate, hexane and chloroform) were used to prepare extracts from this plant. Resuspensions of each extract in an aqueous solution were tested for growth-inhibitory activity against a panel of bacteria (including three antibiotic-resistant strains) using agar disc diffusion and broth microdilution assays. The ethyl acetate, hexane and chloroform extracts were completely ineffective. However, the water and methanolic extracts were good inhibitors of E. coli, ESBL E. coli, S. aureus, MRSA, K. pneumoniae and ESBL K. pneumoniae growth, with the methanolic extract generally displaying substantially greater potency than the other extracts. Combining the active extracts with selected conventional antibiotics potentiated the bacterial growth inhibition of some combinations, whilst other combinations remained non-interactive. No synergistic or antagonistic interactions were observed for any WH extracts/antibiotic combinations. Gas chromatography-mass spectrometry analysis of the extracts identified three molecules of interest that may contribute to the activities observed, including phthalane and two 1,3-dioxolane compounds. Putative modes of action of the active WH extracts and these molecules of interest are discussed herein.
Collapse
Affiliation(s)
- Matthew J Cheesman
- School of Pharmacy and Medical Sciences, Gold Coast Campus, Griffith University, Gold Coast 4222, Australia
| | - Sean R Alcorn
- School of Pharmacy and Medical Sciences, Gold Coast Campus, Griffith University, Gold Coast 4222, Australia
| | - Alan White
- School of Environment and Science, Nathan Campus, Griffith University, Brisbane 4111, Australia
| | - Ian E Cock
- School of Environment and Science, Nathan Campus, Griffith University, Brisbane 4111, Australia
| |
Collapse
|
4
|
Tanney JB, Di Stefano J, Miller JD, McMullin DR. Natural products from the Picea foliar endophytes Niesslia endophytica sp. nov. and Strasseria geniculata. Mycol Prog 2023. [DOI: 10.1007/s11557-023-01869-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
|
5
|
Pushparaj K, Meyyazhagan A, Bhotla HK, Arumugam VA, Pappuswamy M, Vadivalagan C, Hakeem KR, Balasubramanian B, Liu W, Mousavi Khaneghah A. The crux of bioactive metabolites in endophytic and thermophilic fungi and their proximal prospects in biotechnological and industrial domains. Toxicon 2023; 223:107007. [PMID: 36563862 DOI: 10.1016/j.toxicon.2022.107007] [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: 10/25/2022] [Revised: 12/16/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
Fungi are ubiquitous in distribution and are found in grasses to hot springs. Their mode of nutrition provides sustenance for living and propagation. Ironically, varied fungal species have developed customized strategies for protection and survival by producing diverse secondary metabolites. The review aimed to project the contrasting potential features of the endophytic and thermophilic fungi groups. The metabolites and the enzymes of endophytic and thermophilic fungi served as the backbone to thrive and adapt within-host and in extreme conditions like higher pH, heat, and salinity, respectively. Identification, knowledge of their biochemistry and pathway, exploration, production, and utilization of these bioactive molecules in various commercial, industrial, and pharmaceutical domains were briefly discussed. The uniqueness of endophytes includes stress management and improved biomass production of the host, green fuel production, omnipresence, selected triple-symbiosis with the virus, synthesis of polyketides, and other active metabolites are widely used in biomedical applications and agriculture management. This review attempted to limelight the specific applications of thermophilic fungal metabolites and the roles of thermo-stable enzymes in bioprospecting. Moreover, probing the metabolites of thermophiles rendered novel antibiotic compounds, which were proven effective against multi-drug resistant bacteria and harboured the potential to curtail infectious diseases.
Collapse
Affiliation(s)
- Karthika Pushparaj
- Department of Zoology, School of Biosciences, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, 641 043, Tamil Nadu, India
| | - Arun Meyyazhagan
- Department of Life Science, CHRIST (Deemed to Be University), Bengaluru, Karnataka, 560076, India
| | - Haripriya Kuchi Bhotla
- Department of Life Science, CHRIST (Deemed to Be University), Bengaluru, Karnataka, 560076, India
| | - Vijaya Anand Arumugam
- Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore, 641 046, Tamil Nadu, India
| | - Manikantan Pappuswamy
- Department of Life Science, CHRIST (Deemed to Be University), Bengaluru, Karnataka, 560076, India
| | | | - Khalid Rehman Hakeem
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | | | - Wenchao Liu
- Department of Animal Science, College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, PR China.
| | - Amin Mousavi Khaneghah
- Department of Fruit and Vegetable Product Technology, Prof. WacławDąbrowski Institute of Agricultural and Food Biotechnology - State Research Institute, 36 Rakowiecka St., 02-532, Warsaw, Poland; Department of Technology of Chemistry, Azerbaijan State Oil and Industry University, Baku, Azerbaijan.
| |
Collapse
|
6
|
Study on Bioactive Secondary Metabolites from the Mangrove-Derived Fungus Penicillium verruculosum TGM14. Chem Nat Compd 2022. [DOI: 10.1007/s10600-022-03804-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
|
7
|
Fuloria NK, Raheja RK, Shah KH, Oza MJ, Kulkarni YA, Subramaniyan V, Sekar M, Fuloria S. Biological activities of meroterpenoids isolated from different sources. Front Pharmacol 2022; 13:830103. [PMID: 36199687 PMCID: PMC9527340 DOI: 10.3389/fphar.2022.830103] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 08/04/2022] [Indexed: 11/13/2022] Open
Abstract
Meroterpenoids are natural products synthesized by unicellular organisms such as bacteria and multicellular organisms such as fungi, plants, and animals, including those of marine origin. Structurally, these compounds exhibit a wide diversity depending upon the origin and the biosynthetic pathway they emerge from. This diversity in structural features imparts a wide spectrum of biological activity to meroterpenoids. Based on the biosynthetic pathway of origin, these compounds are either polyketide-terpenoids or non-polyketide terpenoids. The recent surge of interest in meroterpenoids has led to a systematic screening of these compounds for many biological actions. Different meroterpenoids have been recorded for a broad range of operations, such as anti-cholinesterase, COX-2 inhibitory, anti-leishmanial, anti-diabetic, anti-oxidative, anti-inflammatory, anti-neoplastic, anti-bacterial, antimalarial, anti-viral, anti-obesity, and insecticidal activity. Meroterpenoids also possess inhibitory activity against the expression of nitric oxide, TNF- α, and other inflammatory mediators. These compounds also show renal protective, cardioprotective, and neuroprotective activities. The present review includes literature from 1999 to date and discusses 590 biologically active meroterpenoids, of which 231 are from fungal sources, 212 are from various species of plants, and 147 are from marine sources such as algae and sponges.
Collapse
Affiliation(s)
| | | | - Kaushal H. Shah
- SVKM’s Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
| | - Manisha J. Oza
- SVKM’s Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
| | - Yogesh A. Kulkarni
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM’s NMIMS, Mumbai, India
| | | | - Mahendran Sekar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Health Sciences, Royal College of Medicine Perak, Universiti Kuala Lumpur, Ipoh, Malaysia
| | - Shivkanya Fuloria
- Faculty of Pharmacy, AIMST University, Bedong, Malaysia
- *Correspondence: Shivkanya Fuloria,
| |
Collapse
|
8
|
Austin Meroterpenoids from Mangrove-Derived Fungus Penicillium sp. MGP11 with α-Glucosidase Inhibitory Activity. Chem Nat Compd 2022. [DOI: 10.1007/s10600-022-03793-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
|
9
|
Bakhtra D, Yanwirasti Y, Wahyuni FS, Aminah I, Handayani D. Antimicrobial and Cytotoxic Activities Screening of Marine Invertebrate-Derived Fungi Extract from West Sumatera, Indonesia. Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.10374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: The coral reef on Mandeh Island, West Sumatra, Indonesia, consists of an abundant source of sponge and soft coral. Secondary metabolites of marine-derived fungi isolated from the sponge and soft coral possess numerous biological activities.
AIM: This study collected, identified, and screened marine-derived fungi isolated from marine invertebrates for antibacterial and cytotoxic bioactivities.
MATERIALS AND METHODS: The marine invertebrates used are sponges; Xestospongia testudinaria and Placortis communis) and soft corals (Sarcophyton elegan and Subergorgia suberosa). The EtOAc extracts were analyzed for antimicrobial and cytotoxic activities using the diffusion agar method and brine shrimps lethality test.
RESULTS: After cultivating on rice medium, the EtOAc extracts of 22 isolated fungi showed potent antimicrobial activity with an inhibitory zone of 15.9 mm against Staphylococcus aureus (XT2 extract), and Pseudomonas aeruginosa of 26.7 mm (XT6 extract), and Candida albicans of 29 mm (SE5 extract). XT6 extract showed the potential cytotoxic activity with an LC50 value of 100 μg/ml.
CONCLUSION: The ability of the marine-derived fungi to produce bioactive compounds is promising potential as a source of antimicrobial and cytotoxic compounds.
Collapse
|
10
|
Wang X, Li LJ, Wang ZY, Xu H, Dai HX. Homologation of aryl ketones to long-chain ketones and aldehydes via C-C bond cleavage. iScience 2022; 25:104505. [PMID: 35720269 PMCID: PMC9204744 DOI: 10.1016/j.isci.2022.104505] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/26/2022] [Accepted: 05/27/2022] [Indexed: 10/29/2022] Open
Abstract
Transition metal-catalyzed C-C bond cleavage is a powerful tool for the reconstruction of a molecular skeleton. We report herein the multi-carbon homologation of aryl ketones to long-chain ketones and aldehydes via ligand-promoted Ar-C(O) bond cleavage and subsequent cross coupling with alkenols. Various (hetero)aryl ketones are compatible in the reaction, affording the corresponding products wtih good to excellent yields with high regioselectivity. Further applications in the late-stage diversification of biologically important molecules demonstrate the synthetic utility of this protocol. Mechanistic studies indicate that the ligand plays an important role in both C-C bond cleavage and the asymmetric migration-insertion process.
Collapse
Affiliation(s)
- Xing Wang
- CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Ling-Jun Li
- CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Zhen-Yu Wang
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, China
| | - Hui Xu
- CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Hui-Xiong Dai
- CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute of Advanced Study, Hangzhou 310024, China
| |
Collapse
|
11
|
Zeng WN, Cai J, Wang B, Chen LY, Pan CX, Chen SJ, Huang GL, Zheng CJ. A new bioactive isocoumarin from the mangrove-derived fungus Penicillium sp. TGM112. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2022; 24:679-684. [PMID: 34292113 DOI: 10.1080/10286020.2021.1952188] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 07/01/2021] [Indexed: 06/13/2023]
Abstract
A new isocoumarin, penicimarin N (1), along with five known compounds (2-6), were isolated from the mangrove-derived fungus Penicillium sp. TGM112. The structure of 1 was elucidated on the basis of extensive spectroscopic data analysis, and the absolute configuration of 1 was determined by comparison of their circular dichroism (CD) spectra with the literature. The structures of known compounds were determined by comparison with the literature data. All the isolated compounds were examined for their antioxidant and α-glucosidase activities. Compound 1 showed strong antioxidant activity with the IC50 value of 1.0 mM, and 1 also exhibited moderate inhibitory activity against α-glucosidase with the IC50 value of 620 μM.
Collapse
Affiliation(s)
- Wei-Nv Zeng
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Jin Cai
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Bin Wang
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Liang-Yu Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Chen-Xin Pan
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Shi-Ji Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Guo-Lei Huang
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Cai-Juan Zheng
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| |
Collapse
|
12
|
Cheng X, Wang J, Huang S, He J, Hong B, Yu M, Niu S. Bisabolane Sesquiterpenes with Anti-Inflammatory Activities from the Endophytic Fungus Penicillium citrinum DF47. Chem Biodivers 2022; 19:e202200178. [PMID: 35452170 DOI: 10.1002/cbdv.202200178] [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: 02/25/2022] [Accepted: 04/12/2022] [Indexed: 11/07/2022]
Abstract
Seven new bisabolane-type sesquiterpenes (1-7), namely penicibisabolanes A-G, together with eight known analogs (8-15) were obtained from the AcOEt extract of the millet fermentation broth of the endophytic fungus Penicillium citrinum DF47, which was isolated from the fresh root of Codonopsis pilosula (Franch.) Nannf. The gross structures of new metabolites were determined on the basis of the spectroscopic data (HR-ESI-MS, 1D and 2D NMR spectra), while their absolute configurations were resolved by comparison of the experimental and calculated ECD spectra, in association with specific rotation data. Compound 1 is a rare seco-trinor-bisabolane sesquiterpene found in nature, while 3 is the first example of phenolic bisabolanes bearing a methoxy group at C-1. All the isolates were evaluated their inhibitory effects against NO production in lipopolysaccharides (LPS) stimulated RAW264.7 cells. Among them, compounds 7 and 13 showed moderately anti-inflammatory effects with the inhibitory rate more than 50 % at the concentration of 20 μM.
Collapse
Affiliation(s)
- Xue Cheng
- Engineering Research Center for Medicine, Ministry of Education, Harbin University of Commerce, Harbin, 150076, P. R. China
- Technology Innovation Center for Exploitation of Marine Biological Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, P. R. China
| | - Juan Wang
- Engineering Research Center for Medicine, Ministry of Education, Harbin University of Commerce, Harbin, 150076, P. R. China
- Technology Innovation Center for Exploitation of Marine Biological Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, P. R. China
| | - Shuhuan Huang
- Technology Innovation Center for Exploitation of Marine Biological Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, P. R. China
| | - Jianlin He
- Technology Innovation Center for Exploitation of Marine Biological Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, P. R. China
| | - Bihong Hong
- Technology Innovation Center for Exploitation of Marine Biological Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, P. R. China
| | - Miao Yu
- Engineering Research Center for Medicine, Ministry of Education, Harbin University of Commerce, Harbin, 150076, P. R. China
| | - Siwen Niu
- Technology Innovation Center for Exploitation of Marine Biological Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, P. R. China
| |
Collapse
|
13
|
Cai J, Zhu XC, Zeng WN, Wang B, Luo YP, Liu J, Chen MJ, Li GY, Huang GL, Chen GY, Xu J, Zheng CJ. Talaromarins A-F: Six New Isocoumarins from Mangrove-Derived Fungus Talaromyces flavus TGGP35. Mar Drugs 2022; 20:361. [PMID: 35736164 PMCID: PMC9229493 DOI: 10.3390/md20060361] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/24/2022] [Accepted: 05/24/2022] [Indexed: 12/11/2022] Open
Abstract
Six new isocoumarin derivative talaromarins A-F (1-6), along with 17 known analogues (7-23), were isolated from the mangrove-derived fungus Talaromyces flavus (Eurotiales: Trichocomaceae) TGGP35. Their structures were identified by detailed IR, UV, 1D/2D NMR and HR-ESI-MS spectra. The absolute configurations of new compounds were determined by the modified Mosher's method and a comparison of their CD spectra with dihydroisocoumarins described in the literature. The antioxidant, antibacterial, anti-phytopathogenic and inhibitory activity against α-glucosidase of all the isolated compounds were tested. Compounds 6-11, 17-19 and 21-22 showed similar or better antioxidant activity than the IC50 values ranging from 0.009 to 0.27 mM, compared with the positive control trolox (IC50 = 0.29 mM). Compounds 10, 18, 21 and 23 exhibited strong inhibitory activities against α-glucosidase with IC50 values ranging from 0.10 to 0.62 mM, while the positive control acarbose had an IC50 value of 0.5 mM. All compounds showed no antibacterial or anti-phytopathogenic activity at the concentrations of 50 μg/mL and 1 mg/mL, respectively. These results indicated that isocoumarins will be useful to developing antioxidants and as diabetes control agents.
Collapse
Affiliation(s)
- Jin Cai
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.C.); (W.-N.Z.); (B.W.); (Y.-P.L.); (J.L.); (M.-J.C.); (G.-Y.L.); (G.-L.H.); (G.-Y.C.)
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Xiao-Chen Zhu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China;
| | - Wei-Nv Zeng
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.C.); (W.-N.Z.); (B.W.); (Y.-P.L.); (J.L.); (M.-J.C.); (G.-Y.L.); (G.-L.H.); (G.-Y.C.)
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Bin Wang
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.C.); (W.-N.Z.); (B.W.); (Y.-P.L.); (J.L.); (M.-J.C.); (G.-Y.L.); (G.-L.H.); (G.-Y.C.)
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - You-Ping Luo
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.C.); (W.-N.Z.); (B.W.); (Y.-P.L.); (J.L.); (M.-J.C.); (G.-Y.L.); (G.-L.H.); (G.-Y.C.)
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Jing Liu
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.C.); (W.-N.Z.); (B.W.); (Y.-P.L.); (J.L.); (M.-J.C.); (G.-Y.L.); (G.-L.H.); (G.-Y.C.)
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Min-Jing Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.C.); (W.-N.Z.); (B.W.); (Y.-P.L.); (J.L.); (M.-J.C.); (G.-Y.L.); (G.-L.H.); (G.-Y.C.)
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Gao-Yu Li
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.C.); (W.-N.Z.); (B.W.); (Y.-P.L.); (J.L.); (M.-J.C.); (G.-Y.L.); (G.-L.H.); (G.-Y.C.)
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Guo-Lei Huang
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.C.); (W.-N.Z.); (B.W.); (Y.-P.L.); (J.L.); (M.-J.C.); (G.-Y.L.); (G.-L.H.); (G.-Y.C.)
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.C.); (W.-N.Z.); (B.W.); (Y.-P.L.); (J.L.); (M.-J.C.); (G.-Y.L.); (G.-L.H.); (G.-Y.C.)
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| | - Jing Xu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China;
| | - Cai-Juan Zheng
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.C.); (W.-N.Z.); (B.W.); (Y.-P.L.); (J.L.); (M.-J.C.); (G.-Y.L.); (G.-L.H.); (G.-Y.C.)
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Haikou 571158, China
| |
Collapse
|
14
|
Chen S, Cai R, Liu Z, Cui H, She Z. Secondary metabolites from mangrove-associated fungi: source, chemistry and bioactivities. Nat Prod Rep 2021; 39:560-595. [PMID: 34623363 DOI: 10.1039/d1np00041a] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Covering 1989 to 2020The mangrove forests are a complex ecosystem occurring at tropical and subtropical intertidal estuarine zones and nourish a diverse group of microorganisms including fungi, actinomycetes, bacteria, cyanobacteria, algae, and protozoa. Among the mangrove microbial community, mangrove associated fungi, as the second-largest ecological group of the marine fungi, not only play an essential role in creating and maintaining this biosphere but also represent a rich source of structurally unique and diverse bioactive secondary metabolites, attracting significant attention of organic chemists and pharmacologists. This review summarizes the discovery relating to the source and characteristics of metabolic products isolated from mangrove-associated fungi over the past thirty years (1989-2020). Its emphasis included 1387 new metabolites from 451 papers, focusing on bioactivity and the unique chemical diversity of these natural products.
Collapse
Affiliation(s)
- Senhua Chen
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China. .,School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Runlin Cai
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China. .,College of Science, Shantou University, Shantou 515063, China
| | - Zhaoming Liu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China. .,State Key Laboratory of Applied Microbiology Southern China, Guangdong Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Hui Cui
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China. .,School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Zhigang She
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China.
| |
Collapse
|
15
|
Bai M, Zheng CJ, Chen GY. Austins-Type Meroterpenoids from a Mangrove-Derived Penicillium sp. JOURNAL OF NATURAL PRODUCTS 2021; 84:2104-2110. [PMID: 34288676 DOI: 10.1021/acs.jnatprod.1c00050] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Three unusual austins-type meroterpenoids penicianstinoids C-E (1-3) were obtained from the mangrove-derived fungus Penicillium sp. TGM112. The structures of 1-3 including absolute configurations were determined by detailed NMR, MS spectroscopic data, X-ray diffraction analysis, and calculated electronic circular dichroism data. Penicianstinoid C (1) was the first austins-type meroterpenoid with a unique 6/6/6/5 rearranged tetracyclic skeleton possessing two unusual spirocyclic moieties (2-oxaspiro[5.5]undeca-4,7-dien-3-one and 6-methylene-2-oxaspiro[4.5]decane-1,4-dione). Penicianstinoid D (2) was an unusual austins-type meroterpenoid with a 6/6/6/6 tetracyclic skeleton containing an octahydro-2H-chromen-2-one unit. Penicianstinoid E (3) possessed a 6/5/6/6/6/5 fused hexacyclic skeleton with an uncommon five-membered ether ring system. The plausible biosynthetic pathway of 1-3 is also proposed. Compounds 1 and 3 inhibited the growth of newly hatched Helicoverpa armigera Hubner larvae with IC50 values of 100 and 200 μg/mL, respectively.
Collapse
Affiliation(s)
- Meng Bai
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou, Hainan 571158, People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, People's Republic of China
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, Guangxi 530200, People's Republic of China
| | - Cai-Juan Zheng
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou, Hainan 571158, People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, People's Republic of China
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou, Hainan 571158, People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, People's Republic of China
| |
Collapse
|
16
|
Anti-Cancer and Anti-Inflammatory Activities of Three New Chromone Derivatives from the Marine-Derived Penicillium citrinum. Mar Drugs 2021; 19:md19080408. [PMID: 34436247 PMCID: PMC8398383 DOI: 10.3390/md19080408] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/15/2021] [Accepted: 07/20/2021] [Indexed: 12/15/2022] Open
Abstract
Three new and uncommon chromone analogs, epiremisporine F (1), epiremisporine G (2), and epiremisporine H (3), were isolated from marine-origin Penicillium citrinum. Among the isolated compounds, compounds 2–3 remarkably suppressed fMLP-induced superoxide anion generation by human neutrophils, with IC50 values of 31.68 ± 2.53, and 33.52 ± 0.42 μM, respectively. Compound 3 exhibited cytotoxic activities against human colon carcinoma (HT-29) and non-small lung cancer cell (A549) with IC50 values of 21.17 ± 4.89 and 31.43 ± 3.01 μM, respectively, and Western blot assay confirmed that compound 3 obviously induced apoptosis of HT-29 cells, via Bcl-2, Bax, and caspase 3 signaling cascades.
Collapse
|
17
|
Cadamuro RD, da Silveira Bastos IMA, Silva IT, da Cruz ACC, Robl D, Sandjo LP, Alves S, Lorenzo JM, Rodríguez-Lázaro D, Treichel H, Steindel M, Fongaro G. Bioactive Compounds from Mangrove Endophytic Fungus and Their Uses for Microorganism Control. J Fungi (Basel) 2021; 7:455. [PMID: 34200444 PMCID: PMC8228968 DOI: 10.3390/jof7060455] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 05/31/2021] [Accepted: 06/03/2021] [Indexed: 12/15/2022] Open
Abstract
Mangroves are ecosystems with unique characteristics due to the high salinity and amount of organic matter that house a rich biodiversity. Fungi have aroused much interest as they are an important natural source for the discovery of new bioactive compounds, with potential biotechnological and pharmacological interest. This review aims to highlight endophytic fungi isolated from mangrove plant species and the isolated bioactive compounds and their bioactivity against protozoa, bacteria and pathogenic viruses. Knowledge about this type of ecosystem is of great relevance for its preservation and as a source of new molecules for the control of pathogens that may be of importance for human, animal and environmental health.
Collapse
Affiliation(s)
- Rafael Dorighello Cadamuro
- Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil; (R.D.C.); (I.M.A.d.S.B.); (I.T.S.); (A.C.C.d.C.); (D.R.); (M.S.)
| | - Isabela Maria Agustini da Silveira Bastos
- Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil; (R.D.C.); (I.M.A.d.S.B.); (I.T.S.); (A.C.C.d.C.); (D.R.); (M.S.)
| | - Izabella Thais Silva
- Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil; (R.D.C.); (I.M.A.d.S.B.); (I.T.S.); (A.C.C.d.C.); (D.R.); (M.S.)
- Department of Pharmaceutical Sciences, Federal University Santa Catarina, Florianopolis 88040-900, SC, Brazil
| | - Ariadne Cristiane Cabral da Cruz
- Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil; (R.D.C.); (I.M.A.d.S.B.); (I.T.S.); (A.C.C.d.C.); (D.R.); (M.S.)
- Department of Dentistry, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Diogo Robl
- Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil; (R.D.C.); (I.M.A.d.S.B.); (I.T.S.); (A.C.C.d.C.); (D.R.); (M.S.)
| | - Louis Pergaud Sandjo
- Department of Chemistry, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil;
| | - Sergio Alves
- Laboratory of Biochemistry and Genetics, Federal University of Fronteira Sul, Chapecó 89802-112, SC, Brazil;
| | - Jose M. Lorenzo
- Centro Tecnológico de la Carne de Galicia, Avd. Galicia n° 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain
- Área de Tecnología de los Alimentos, Facultad de Ciencias de Ourense, Universidad de Vigo, 32004 Ourense, Spain
| | | | - Helen Treichel
- Laboratory of Microbiology and Bioprocess, Federal University of Fronteira Sul, Erechim 99700-000, RS, Brazil;
| | - Mário Steindel
- Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil; (R.D.C.); (I.M.A.d.S.B.); (I.T.S.); (A.C.C.d.C.); (D.R.); (M.S.)
| | - Gislaine Fongaro
- Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil; (R.D.C.); (I.M.A.d.S.B.); (I.T.S.); (A.C.C.d.C.); (D.R.); (M.S.)
| |
Collapse
|
18
|
Mei RQ, Wang B, Zeng WN, Huang GL, Chen GY, Zheng CJ. Bioactive isocoumarins isolated from a mangrove-derived fungus Penicillium sp. MGP11. Nat Prod Res 2021; 36:1260-1265. [PMID: 33459051 DOI: 10.1080/14786419.2021.1873981] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Two new isocoumarins penicimarins L-M (1-2), along with seven known analogues (3-9) were isolated from the mangrove-derived fungus Penicillium sp. MGP11. Compounds 1-2 were established by spectroscopic methods and comparison of their circular dichroism (CD) spectra with the literature. All isolated compounds were evaluated for antioxidant and α-glucosidase inhibitory activities. Compound 8 had better antioxidant activity (IC50 = 4.6 μM) than positive control trolox (IC50 = 12.9 μM). Compounds 5, 8 and 9 exhibited α-glucosidase inhibitory activity with the IC50 values of 776.5, 683.7 and 868.7 μM, respectively.
Collapse
Affiliation(s)
- Rong-Qing Mei
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China
| | - Bin Wang
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China
| | - Wei-Nv Zeng
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China
| | - Guo-Lei Huang
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China
| | - Cai-Juan Zheng
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China
| |
Collapse
|
19
|
Rare Chromone Derivatives from the Marine-Derived Penicillium citrinum with Anti-Cancer and Anti-Inflammatory Activities. Mar Drugs 2021; 19:md19010025. [PMID: 33430124 PMCID: PMC7827422 DOI: 10.3390/md19010025] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/01/2021] [Accepted: 01/05/2021] [Indexed: 01/15/2023] Open
Abstract
Three new and rare chromone derivatives, epiremisporine C (1), epiremisporine D (2), and epiremisporine E (3), were isolated from marine-derived Penicillium citrinum, together with four known compounds, epiremisporine B (4), penicitrinone A (5), 8-hydroxy-1-methoxycarbonyl-6-methylxanthone (6), and isoconiochaetone C (7). Among the isolated compounds, compounds 2–5 significantly decreased fMLP-induced superoxide anion generation by human neutrophils, with IC50 values of 6.39 ± 0.40, 8.28 ± 0.29, 3.62 ± 0.61, and 2.67 ± 0.10 μM, respectively. Compounds 3 and 4 exhibited cytotoxic activities with IC50 values of 43.82 ± 6.33 and 32.29 ± 4.83 μM, respectively, against non-small lung cancer cell (A549), and Western blot assay confirmed that compounds 3 and 4 markedly induced apoptosis of A549 cells, through Bcl-2, Bax, and caspase 3 signaling cascades.
Collapse
|
20
|
Zeng W, Huang G, Wang B, Cai J, Zheng C. Secondary Metabolites and Bioactivities of Penicillium sp. Sourced from Mangrove from 2007 to 2020. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202103044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
21
|
Shabir G, Saeed A, El-Seedi HR. Natural isocoumarins: Structural styles and biological activities, the revelations carry on …. PHYTOCHEMISTRY 2021; 181:112568. [PMID: 33166749 DOI: 10.1016/j.phytochem.2020.112568] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 10/17/2020] [Accepted: 10/20/2020] [Indexed: 06/11/2023]
Abstract
Isocoumarins and dihydroisocoumarins are lactonic phytochemicals plentiful in microbes and higher plants. These are an amazing small scaffolds consecrated with all types of pharmacological applications. Our previous review covered the period 2000-2016, documenting the then known natural products of this class; the current article is a critical account of discovery of known as well as undescribed structural types and pharmacological activities reported in the course of 2016-2020. The classification revealed in our previous review based on the biogenetic origin is further buttressed by discovery of new members of each class and some new structural types hitherto unknown have also been identified. Similarly, the biological activities and SAR conclusions identified were found to be valid as well, nonetheless with new accompaniments. The most recent available literature on the structural diversity and biological activity of these natural products has been included. The information documented in this article are collected from scientific journals, books, electronic search engines and scientific databases.
Collapse
Affiliation(s)
- Ghulam Shabir
- Department of Chemistry, Quaid-I-Azam University, Islamabad, 45320, Pakistan
| | - Aamer Saeed
- Department of Chemistry, Quaid-I-Azam University, Islamabad, 45320, Pakistan.
| | - Hesham R El-Seedi
- College of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China; Al-Rayan Colleges, Medina, 42541, Saudi Arabia
| |
Collapse
|
22
|
Bai M, Wang Y, Liu T, Lian YX, Bai QQ, Song XP, Han CR, Zheng CJ, Chen GY. One new piperazinedione isolated from a mangrove-derived fungus Aspergillus niger JX-5. Nat Prod Res 2020; 36:2277-2283. [PMID: 33016123 DOI: 10.1080/14786419.2020.1828407] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
One new piperazinedione derivative, nigerpiperazine A (1), along with six known compounds (2-7) were isolated from the fungus Aspergillus niger JX-5 from mangrove Ceriops tagal. Nigerpiperazine A (1) was elucidated by spectroscopic analyses and 13C NMR chemical shift calculations, compounds 4 and 5 were determined by X-ray and the CD spectra. The absolute configuration of 4 was identified by X-ray for the first time. Compounds 1 and 4 showed inhibitory activities against Helicoverpa armigera Hubner with the IC50 values of 200 and 100 µg/mL, respectively.
Collapse
Affiliation(s)
- Meng Bai
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou, People's Republic of China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, People's Republic of China
| | - Yue Wang
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou, People's Republic of China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, People's Republic of China
| | - Ting Liu
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, People's Republic of China
| | - Yu-Xing Lian
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, People's Republic of China
| | - Qi-Qi Bai
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, People's Republic of China
| | - Xiao-Ping Song
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou, People's Republic of China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, People's Republic of China
| | - Chang-Ri Han
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou, People's Republic of China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, People's Republic of China.,Hainan Vocational University of Science and Technology, Haikou, People's Republic of China
| | - Cai-Juan Zheng
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou, People's Republic of China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, People's Republic of China
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou, People's Republic of China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, People's Republic of China
| |
Collapse
|
23
|
Chemical Diversity and Biological Activities of Meroterpenoids from Marine Derived-Fungi: A Comprehensive Update. Mar Drugs 2020; 18:md18060317. [PMID: 32549331 PMCID: PMC7345968 DOI: 10.3390/md18060317] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 06/06/2020] [Accepted: 06/12/2020] [Indexed: 12/25/2022] Open
Abstract
Meroterpenoids are a class of hybrid natural products, partially derived from a mixed terpenoid pathway. They possess remarkable structural features and relevant biological and pharmacological activities. Marine-derived fungi are a rich source of meroterpenoids featuring structural diversity varying from simple to complex molecular architectures. A combination of a structural variability and their myriad of bioactivities makes meroterpenoids an interesting class of naturally occurring compounds for chemical and pharmacological investigation. In this review, a comprehensive literature survey covering the period of 2009–2019, with 86 references, is presented focusing on chemistry and biological activities of various classes of meroterpenoids isolated from fungi obtained from different marine hosts and environments.
Collapse
|
24
|
Mei RQ, Nong XH, Wang B, Sun XP, Huang GL, Luo YP, Zheng CJ, Chen GY. A new phenol derivative isolated from mangrove-derived fungus Eupenicillium sp. HJ002. Nat Prod Res 2020; 35:4051-4057. [PMID: 31960725 DOI: 10.1080/14786419.2020.1712388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
A new phenol derivative, 3-chloro-5-hydroxy-4-methoxyphenylacetic acid methyl ester (1), along with five known compounds methyl 4-hydroxyphenylacetate (2), cytosporone B (3), (R)-striatisporolide A (4), (R)-butanedioic acid (5) and ergosterol (6) were isolated from the mangrove-derived fungus Eupenicillium sp. HJ002. Their structures were established by spectroscopic methods, GIAO based 13C NMR chemical shift calculations and comparison with the data of literature. Compounds 1-5 were isolated from Xylocarpus granatum Koening-derived fungus for the first time.
Collapse
Affiliation(s)
- Rong-Qing Mei
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, People's Republic of China
| | - Xu-Hua Nong
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, People's Republic of China
| | - Bin Wang
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, People's Republic of China
| | - Xue-Ping Sun
- Guangxi Engineering Technology Research Center of Advantage Chinese Patent Drug and Ethnic Drug Development, College of pharmacy, Guangxi University of Chinese Medicine, Nanning, People's Republic of China
| | - Guo-Lei Huang
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, People's Republic of China
| | - You-Ping Luo
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, People's Republic of China
| | - Cai-Juan Zheng
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, People's Republic of China
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, China.,Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan, People's Republic of China
| |
Collapse
|
25
|
Noor AO, Almasri DM, Bagalagel AA, Abdallah HM, Mohamed SGA, Mohamed GA, Ibrahim SRM. Naturally Occurring Isocoumarins Derivatives from Endophytic Fungi: Sources, Isolation, Structural Characterization, Biosynthesis, and Biological Activities. Molecules 2020; 25:molecules25020395. [PMID: 31963586 PMCID: PMC7024277 DOI: 10.3390/molecules25020395] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 12/27/2019] [Accepted: 01/13/2020] [Indexed: 01/09/2023] Open
Abstract
Recently, the metabolites separated from endophytes have attracted significant attention, as many of them have a unique structure and appealing pharmacological and biological potentials. Isocoumarins represent one of the most interesting classes of metabolites, which are coumarins isomers with a reversed lactone moiety. They are produced by plants, microbes, marine organisms, bacteria, insects, liverworts, and fungi and possessed a wide array of bioactivities. This review gives an overview of isocoumarins derivatives from endophytic fungi and their source, isolation, structural characterization, biosynthesis, and bioactivities, concentrating on the period from 2000 to 2019. Overall, 307 metabolites and more than 120 references are conferred. This is the first review on these multi-facetted metabolites from endophytic fungi.
Collapse
Affiliation(s)
- Ahmad Omar Noor
- Pharmacy Practice Department, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.O.N.); (D.M.A.); (A.A.B.)
| | - Diena Mohammedallam Almasri
- Pharmacy Practice Department, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.O.N.); (D.M.A.); (A.A.B.)
| | - Alaa Abdullah Bagalagel
- Pharmacy Practice Department, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.O.N.); (D.M.A.); (A.A.B.)
| | - Hossam Mohamed Abdallah
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (H.M.A.); (G.A.M.)
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | | | - Gamal Abdallah Mohamed
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (H.M.A.); (G.A.M.)
- Pharmacognosy Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Sabrin Ragab Mohamed Ibrahim
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, Taibah University, Al Madinah Al-Munawwarah 30078, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
- Correspondence: ; Tel.: +966-581183034
| |
Collapse
|
26
|
Bioactive Secondary Metabolites from the Culture of the Mangrove-Derived Fungus Daldinia eschscholtzii HJ004. Mar Drugs 2019; 17:md17120710. [PMID: 31861107 PMCID: PMC6950716 DOI: 10.3390/md17120710] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 12/02/2019] [Accepted: 12/11/2019] [Indexed: 11/28/2022] Open
Abstract
Two new polyketides, 8-O-methylnodulisporin F (1) and nodulisporin H (2), two new naphthoquinones, 5-hydroxy-2-methoxy-6,7-dimethyl-1,4-naphthoquinone (3) and 5-hydroxy-2-methoxynaphtho[9–c]furan-1,4-dione (4), and a new naphthofuran 1,3,8-trimethoxynaphtho[9–c]furan (5), along with five known compounds 4-O-methyl eleutherol (6), 2-acetyl-7-methoxybenzofuran (7), (-)-orthosporin (8), diaporthin (9), and 6-hydroxymellein (10), were obtained from the EtOAc extract of the mangrove-derived fungus Daldinia eschscholtzii HJ004. The structures of the isolated compounds were elucidated by extensive NMR and MS analyses, while the absolute configurations of the stereogenic carbons were established based on experimental and calculated electronic circular dichroism spectra. Compounds 4 and 7 displayed a potent inhibitory activity against α-glucosidase with the IC50 values of 5.7 and 1.1 μg/mL, respectively. Compounds 1 and 2 showed a moderate antibacterial activity against Staphylococcus aureus, methicillin-resistant S. aureus (MRSA) and Bacillus cereus, with minimum inhibitory concentration (MIC) values ranging from 6.25 to 12.5 μg/mL. Compound 3 exhibited antibacterial activity against B. cereus with the MIC value of 12.5 μg/mL.
Collapse
|
27
|
Four New Insecticidal Xanthene Derivatives from the Mangrove-Derived Fungus Penicillium sp. JY246. Mar Drugs 2019; 17:md17120649. [PMID: 31756930 PMCID: PMC6950184 DOI: 10.3390/md17120649] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 01/12/2023] Open
Abstract
Four new xanthene derivatives, penicixanthenes A-D (1-4), and one known compound 5 were isolated from a marine mangrove endophytic fungus Penicillium sp. JY246 that was obtained from the stem of Ceriops tagal. Their structures were determined by detailed NMR, MS spectroscopic data, modified Mosher's method, and calculated electronic circular dichroism data. All of the isolated compounds were examined for insecticidal activity. Compounds 2 and 3 showed growth inhibition activity against newly hatched larvae of Helicoverpa armigera Hubner with the IC50 values 100 and 200 μg/mL, respectively, and compounds 1, 3, and 4 showed insecticidal activity against newly hatched larvae of Culex quinquefasciatus with LC50 values of 38.5 (±1.16), 11.6 (±0.58), and 20.5 (±1) μg/mL, respectively. The four xanthene derivatives have the potential to be developed as new biopesticides.
Collapse
|
28
|
New Bioactive Metabolites from the Thermophilic Fungus Penicilliumsp. Isolated from Ghamiqa Hot Spring in Saudi Arabia. J CHEM-NY 2019. [DOI: 10.1155/2019/7162948] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The thermophilic fungusPenicilliumspecies was isolated from Ghamiqa hot spring sediments in Saudi Arabia. Extract ofPenicilliumspecies cultured on solid rice medium yielded two new compounds 3-(furan 12-carboxylic acid)-6-(methoxycarbonyl)-4-hydroxy-4-methyl-4 and 5-dihydro-2H-pyran13α-methyl-7-hydroxy-5-carboxylic acid methyl ester-1-indanone2. In addition, three known compounds, austinol3, emodin4, and 2-methyl-penicinoline5, were isolated. The structures of the new compounds were unambiguously determined by comprehensive analysis of spectroscopic data, one- and two-dimensional NMR spectroscopy, and high-resolution mass spectrometry. All isolated metabolites were studied for their antibiotic effect against several pathogenic bacteria and for their cytotoxicity against the lymphoma human cancer cell line HTB-176. Austinol3exhibited strong antibacterial activity againstP. aeruginosabacterial strain with an MIC value of 0.13 ± 0.4 µg·mL−1, whereas emodin4demonstrated significant cytotoxicity against the tested HTB-176 cell line with an IC50value of 2 ± 7.6 µM, while the other compounds were moderate to inactive with IC50ranging from 4.3 ± 0.25–22 ± 2.94 µM in this assay.
Collapse
|
29
|
Bai M, Huang GL, Mei RQ, Wang B, Luo YP, Nong XH, Chen GY, Zheng CJ. Bioactive Lactones from the Mangrove-Derived Fungus Penicillium sp. TGM112. Mar Drugs 2019; 17:E433. [PMID: 31344841 PMCID: PMC6722761 DOI: 10.3390/md17080433] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/13/2019] [Accepted: 07/22/2019] [Indexed: 12/24/2022] Open
Abstract
Three new lactones penicilactones A-C (1-3) were obtained from the mangrove-derived fungus Penicillium sp. TGM112. Their structures and absolute configurations were determined by detailed NMR, MS spectroscopic data, Mo2(OAc)4-induced electronic circular dichroism (ECD), and circular dichroism (CD) spectroscopy. Compound 1 showed antibacterial activity against Staphylococcus aureus with an MIC value of 6.25 μg/mL. Compound 2 showed insecticidal activity against newly hatched larvae of Culex quinquefasciatus with the LC50 value of 78.5 (±0.58) μg/mL.
Collapse
Affiliation(s)
- Meng Bai
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, Hainan 571158, China
| | - Guo-Lei Huang
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, Hainan 571158, China
| | - Rong-Qing Mei
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, Hainan 571158, China
| | - Bin Wang
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, Hainan 571158, China
| | - You-Ping Luo
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, Hainan 571158, China
| | - Xu-Hua Nong
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, Hainan 571158, China
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China.
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, Hainan 571158, China.
| | - Cai-Juan Zheng
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China.
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, Hainan 571158, China.
| |
Collapse
|
30
|
Bai M, Zheng CJ, Huang GL, Mei RQ, Wang B, Luo YP, Zheng C, Niu ZG, Chen GY. Bioactive Meroterpenoids and Isocoumarins from the Mangrove-Derived Fungus Penicillium sp. TGM112. JOURNAL OF NATURAL PRODUCTS 2019; 82:1155-1164. [PMID: 30990038 DOI: 10.1021/acs.jnatprod.8b00866] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Two new meroterpenoids, penicianstinoids A and B (1 and 2), and eight new isocoumarins, peniciisocoumarins A-H (3-10), together with 10 known analogues (11-20) were obtained from the mangrove-derived fungus Penicillium sp. TGM112. The structures and absolute configurations of 1-10 were determined by interpretation of detailed NMR, MS spectroscopic data, X-ray diffraction analyses, modified Mosher's method, and calculated electronic circular dichroism data. Compounds 1-4, 7, 8, 10, 12, 13, and 16 showed growth inhibition activity against newly hatched larvae of Helicoverpa armigera Hubner with IC50 values ranging from 50 to 200 μg/mL, respectively. Compounds 1, 2, and 11-15 displayed activity against Caenorhabditis elegans with EC50 values ranging from 9.4 (± 1.0) to 38.2 (± 0.6) μg/mL, respectively. Compound 1 represents an austinoid-like meroterpenoid that is reported here for the second time, in which a carbon-carbon double bond was oxidized to a carbonyl group at C-1'-C-2'.
Collapse
Affiliation(s)
- Meng Bai
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Cai-Juan Zheng
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Guo-Lei Huang
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Rong-Qing Mei
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Bin Wang
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - You-Ping Luo
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Chao Zheng
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Zhi-Gang Niu
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| |
Collapse
|
31
|
Three new methylated Δ 8-pregnene steroids from the Polyalthia laui-derived fungus Stemphylium sp. AZGP4-2. Bioorg Chem 2019; 95:102927. [PMID: 31931286 DOI: 10.1016/j.bioorg.2019.102927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 04/10/2019] [Accepted: 04/15/2019] [Indexed: 11/21/2022]
Abstract
Three new methylated Δ8-pregnene steroids, stemphylisteroids A-C (1-3) were isolated from the medicinal plant Polyalthia laui-derived fungus Stemphylium sp. AZGP4-2. Their structures were elucidated by the detailed analysis of comprehensive spectroscopic data. The absolute configuration of 1 was determined by X-ray crystallographic analysis. Compound 1 show antibacterial activity against Escherichia coli with the MIC value of 6.25 μg/mL, and 2 exhibited a broad spectrum of antibacterial activities against six pathogenic bacteria with the MIC values ranging from 12.5 to 50 μg/mL. The discovery of three methylated Δ8-pregnene steroids 1-3 are a further addition to diverse and complex array of methylated steroids.
Collapse
|
32
|
Zheng CJ, Huang GL, Liao HX, Mei RQ, Luo YP, Chen GY, Zhang QY. Bioactive cytosporone derivatives isolated from the mangrove-derived fungus Dothiorella sp. ML002. Bioorg Chem 2019; 85:382-385. [DOI: 10.1016/j.bioorg.2019.01.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 01/03/2019] [Accepted: 01/07/2019] [Indexed: 02/06/2023]
|
33
|
Zheng CJ, Bai M, Zhou XM, Huang GL, Shao TM, Luo YP, Niu ZG, Niu YY, Chen GY, Han CR. Penicilindoles A-C, Cytotoxic Indole Diterpenes from the Mangrove-Derived Fungus Eupenicillium sp. HJ002. JOURNAL OF NATURAL PRODUCTS 2018; 81:1045-1049. [PMID: 29489361 DOI: 10.1021/acs.jnatprod.7b00673] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Three new indole diterpenes, penicilindoles A-C (1-3), were isolated from the mangrove-derived fungus Eupenicillium sp. HJ002. Their planar structures and absolute configurations were determined by interpretation of NMR spectroscopic data, HR-ESIMS, and X-ray diffraction analysis using Cu Kα radiation. The cytotoxic and antibacterial activities were evaluated in vitro; penicilindole A (1) showed cytotoxic activity against human A549 and HepG2 cell lines with IC50 values of 5.5 and 1.5 μM, respectively.
Collapse
Affiliation(s)
- Cai-Juan Zheng
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Meng Bai
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Xue-Ming Zhou
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Guo-Lei Huang
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Tai-Ming Shao
- Hainan Institute of Science and Technology , Haikou 571126 , People's Republic of China
| | - You-Ping Luo
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Zhi-Gang Niu
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Yan-Yan Niu
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , Hainan 571158 , People's Republic of China
| | - Chang-Ri Han
- Hainan Institute of Science and Technology , Haikou 571126 , People's Republic of China
| |
Collapse
|
34
|
Zheng CJ, Liao HX, Mei RQ, Huang GL, Yang LJ, Zhou XM, Shao TM, Chen GY, Wang CY. Two new benzophenones and one new natural amide alkaloid isolated from a mangrove-derived Fungus Penicillium citrinum. Nat Prod Res 2018; 33:1127-1134. [PMID: 29658359 DOI: 10.1080/14786419.2018.1460832] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Two new compounds penibenzophenones A-B (1-2), and the synthetic α,β-unsaturated amide alkaloid (E)-tert-butyl(3-cinnamamidopropyl)carbamate (4), newly identified as a natural product, alone with three known ones (3, 5-6) were isolated from the EtOAc extract of the endophytic fungus Penicillium citrinum HL-5126 isolated from the mangrove Bruguiera sexangula var. rhynchopetala collected in the South China Sea. Compound 1 was a chlorinated benzophenone. The structures of 1-6 were elucidated by extensive NMR spectral interpretation, MS data and X-ray analysis. The new compound 2 displayed cytotoxic activity against human A549 cell lines with an IC50 value of 15.7 μg/mL, and 1 showed antibacterial activity against Staphylococcus aureus with a MIC value of 20 μg/mL.
Collapse
Affiliation(s)
- Cai-Juan Zheng
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , P. R. China
| | - Hai-Xia Liao
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , P. R. China.,b Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy , Ocean University of China , Qingdao , P. R. China.,c Laboratory for Marine Drugs and Bioproducts , Qingdao National Laboratory for Marine Science and Technology , Qingdao , P. R. China
| | - Rong-Qing Mei
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , P. R. China
| | - Guo-Lei Huang
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , P. R. China
| | - Lu-Jia Yang
- b Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy , Ocean University of China , Qingdao , P. R. China.,c Laboratory for Marine Drugs and Bioproducts , Qingdao National Laboratory for Marine Science and Technology , Qingdao , P. R. China
| | - Xue-Ming Zhou
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , P. R. China
| | - Tai-Ming Shao
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , P. R. China.,d College of Chemical and Material Engineering , Hainan Institute of Science and Technology , Haikou , P. R. China
| | - Guang-Ying Chen
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering , Hainan Normal University , Haikou , P. R. China
| | - Chang-Yun Wang
- b Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy , Ocean University of China , Qingdao , P. R. China.,c Laboratory for Marine Drugs and Bioproducts , Qingdao National Laboratory for Marine Science and Technology , Qingdao , P. R. China
| |
Collapse
|
35
|
Wu JT, Zheng CJ, Zhang B, Zhou XM, Zhou Q, Chen GY, Zeng ZE, Xie JL, Han CR, Lyu JX. Two new secondary metabolites from a mangrove-derived fungus Cladosporium sp. JJM22. Nat Prod Res 2018; 33:34-40. [PMID: 29388439 DOI: 10.1080/14786419.2018.1431634] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Two new compounds (1 and 2), together with six known compounds (3-8), were obtained from the Cladosporium sp. JJM22, an endophytic fungus isolated from the stem bark of the mangrove plant Ceriops tagal collected in South China Sea. Their structures were elucidated on the basis of detailed spectroscopic analysis. The absolute configurations of 1 and 2 were confirmed by the comparison of optical rotation and the CD data with those of known compounds. The inhibitory activities of the isolated compounds against six terrestrial pathogenic bacteria and human cervical carcinoma Hela cell line were evaluated. Compound 3 exhibited a broad spectrum of antibacterial activities.
Collapse
Affiliation(s)
- Jia-Ting Wu
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education , College of Chemistry and Chemical Engineering, Hainan Normal University , Haikou , P. R. China
| | - Cai-Juan Zheng
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education , College of Chemistry and Chemical Engineering, Hainan Normal University , Haikou , P. R. China
| | - Bin Zhang
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education , College of Chemistry and Chemical Engineering, Hainan Normal University , Haikou , P. R. China
| | - Xue-Ming Zhou
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education , College of Chemistry and Chemical Engineering, Hainan Normal University , Haikou , P. R. China
| | - Qi Zhou
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education , College of Chemistry and Chemical Engineering, Hainan Normal University , Haikou , P. R. China
| | - Guang-Ying Chen
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education , College of Chemistry and Chemical Engineering, Hainan Normal University , Haikou , P. R. China
| | - Zhuo-Er Zeng
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education , College of Chemistry and Chemical Engineering, Hainan Normal University , Haikou , P. R. China
| | - Jin-Long Xie
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education , College of Chemistry and Chemical Engineering, Hainan Normal University , Haikou , P. R. China
| | - Chang-Ri Han
- b Key Laboratory of Medicinal and Edible Plants Resources of Hainan Province , School of Chemical and Material Engineering, Hainan Institute of Science and Technology , Haikou , P. R. China
| | - Ji-Xing Lyu
- a Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education , College of Chemistry and Chemical Engineering, Hainan Normal University , Haikou , P. R. China
| |
Collapse
|
36
|
Abstract
Covering: 2016. Previous review: Nat. Prod. Rep., 2017, 34, 235-294This review covers the literature published in 2016 for marine natural products (MNPs), with 757 citations (643 for the period January to December 2016) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1277 in 432 papers for 2016), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that led to the revision of structures or stereochemistries, have been included.
Collapse
Affiliation(s)
- John W Blunt
- School of Physical and Chemical Sciences, University of Canterbury, Christchurch, New Zealand
| | | | | | | | | | | |
Collapse
|
37
|
New chlorinated xanthone and anthraquinone produced by a mangrove-derived fungus Penicillium citrinum HL-5126. J Antibiot (Tokyo) 2017; 70:823-827. [PMID: 28465625 DOI: 10.1038/ja.2017.52] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 03/11/2017] [Accepted: 04/04/2017] [Indexed: 12/11/2022]
Abstract
Two new chlorinated metabolites 4-chloro-1-hydroxy-3-methoxy-6-methyl-8-methoxycarbonyl-xanthen-9-one (1) and 2'-acetoxy-7-chlorocitreorosein (2), together with three known compounds (3-5), were obtained from the EtOAc extract of the endophytic fungus Penicillium citrinum HL-5126 isolated from the mangrove Bruguiera sexangula var. rhynchopetala collected in the South China Sea. Their structures were elucidated by the detailed analysis of comprehensive spectroscopic data. All compounds were evaluated for their antibacterial and topoisomerase I inhibitory activities. Compound 2 exhibited antibacterial activity against Vibrio parahaemolyticus with an MIC value of 10 μm.
Collapse
|