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Iantas J, Savi DC, Ponomareva LV, Thorson JS, Rohr J, Glienke C, Shaaban KA. Paecilins Q and R: Antifungal Chromanones Produced by the Endophytic Fungus Pseudofusicoccum stromaticum CMRP4328. PLANTA MEDICA 2023; 89:1178-1189. [PMID: 36977488 PMCID: PMC10698238 DOI: 10.1055/a-2063-5481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Chemical investigation of the endophyte Pseudofusicoccum stromaticum CMRP4328 isolated from the medicinal plant Stryphnodendron adstringens yielded ten compounds, including two new dihydrochromones, paecilins Q (1: ) and R (2: ). The antifungal activity of the isolated metabolites was assessed against an important citrus pathogen, Phyllosticta citricarpa. Cytochalasin H (6: ) (78.3%), phomoxanthone A (3: ) (70.2%), phomoxanthone B (4: ) (63.1%), and paecilin Q (1: ) (50.5%) decreased in vitro the number of pycnidia produced by P. citricarpa, which are responsible for the disease dissemination in orchards. In addition, compounds 3: and 6: inhibited the development of citrus black spot symptoms in citrus fruits. Cytochalasin H (6: ) and one of the new compounds, paecilin Q (1: ), appear particularly promising, as they showed strong activity against this citrus pathogen, and low or no cytotoxic activity. The strain CMRP4328 of P. stromaticum and its metabolites deserve further investigation for the control of citrus black spot disease.
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Affiliation(s)
- Jucélia Iantas
- Postgraduate Program in Microbiology, Department of Pathology, Federal University of Paraná (UFPR), Curitiba, Brazil
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky, United States
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Kentucky, United States
| | - Daiani Cristina Savi
- Postgraduate Program in Genetics, Department of Genetics, Federal University of Paraná (UFPR), Curitiba, Brazil
- Department of Biomedicine, Centro Universitário Católica de Santa Catarina, Joinville, Brazil
| | - Larissa V. Ponomareva
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky, United States
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Kentucky, United States
| | - Jon S. Thorson
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky, United States
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Kentucky, United States
| | - Jürgen Rohr
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky, United States
| | - Chirlei Glienke
- Postgraduate Program in Microbiology, Department of Pathology, Federal University of Paraná (UFPR), Curitiba, Brazil
- Postgraduate Program in Genetics, Department of Genetics, Federal University of Paraná (UFPR), Curitiba, Brazil
| | - Khaled A. Shaaban
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky, United States
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Kentucky, United States
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Ayeni EA, Ma C, Zhang YM, Fan WQ, Liao X. Chemical components and monoamine oxidase B inhibition activities from the tubers of Sauromatum giganteum (Engl.) Cusimano & Hett. Nat Prod Res 2023; 37:2916-2923. [PMID: 36301745 DOI: 10.1080/14786419.2022.2137502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 09/21/2022] [Accepted: 10/07/2022] [Indexed: 10/31/2022]
Abstract
The rhizome tuber of Sauromatum giganteum is known as 'Bai Fuzi' in China and has been ethnomedicinally used to treat various neurological diseases. It is considered to possess anti-Parkinson's disease (PD) potential, but the active compounds responsible for that is still unclear. In this work, nineteen compounds were isolated and identified from rhizome tuber of this plant, among which four were firstly reported, i.e. berberine (1), nicotinamide (2), rutin (3) and 5-caffeoylquinic acid (4). Six compounds (1, 3, 4, 8, 14 and 15) exhibited moderate inhibitory activity against MAO-B with IC50 of 118.8, 45.6, 96.2, 65.8, 40.0, and 49.8 µM, and two compounds (3 and 4) displayed significant protective effect on 6-OHDA-induced PC-12 cell model. The molecular docking of the bioactive compounds and MAO-B was carried out to explore the binding mode. The findings revealed the potential of S. giganteum as anti-PD herb and its inclusion in TCM could be explored.
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Affiliation(s)
- Emmanuel Ayodeji Ayeni
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Chao Ma
- Phytochemistry Laboratory, Tibet Plateau Institute of Biology, Lhasa, China
| | - Yong-Mei Zhang
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Wen-Qin Fan
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xun Liao
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
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Wang L, Wang S, Yao Q, Wang B, Duan W, Zhou H, Duan K. Chemical constituents of Peperomia tetraphylla (Forst. F.) Hooker et Arnott. BIOCHEM SYST ECOL 2021. [DOI: 10.1016/j.bse.2021.104342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Zhou P, Yan S, Lu Y, Li XN, Zhang M, Li Q, Chen X, Wang J, Zhu H, Chen C, Zhang Y. Five new secondary metabolites from the fungus Phomopsis asparagi. Fitoterapia 2021; 150:104840. [PMID: 33535108 DOI: 10.1016/j.fitote.2021.104840] [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] [Received: 10/28/2020] [Revised: 01/12/2021] [Accepted: 01/16/2021] [Indexed: 10/22/2022]
Abstract
Five new compounds, including a pair of diphenylcyclopentenone enantiomers (±)-phomopsisin A (1), a sesquiterpenoid 15-hydroxylithocarin A (2), a new diketopiperazine alkaloid prenylcyclotryprostatin A (3) and 7-hydroxy-cis-L(-)-3,6-dibenzyl-2,5-dioxopiperazine (6), along with five known compounds were isolated from the fungus Phomopsis asparagi. Their structures were elucidated on the basis of spectroscopic analyses (1D and 2D NMR), theoretical electronic circular dichroism (ECD) calculation, modified Mosher's method, and X-ray crystallography. The racemates of (±)-phomopsisin A showed inhibition on α-glucosidase with IC50 of 30.07 ± 0.75 μM (positive control acarbose, 121 ± 2.7 μM).
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Affiliation(s)
- Peng Zhou
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Shan Yan
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Yuanyuan Lu
- Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong Universty of Science and Technology, Wuhan 430070, Hubei Province, People's Republic of China
| | - Xiao-Nian Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, Yunnan Province, People's Republic of China
| | - Mi Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Qin Li
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Xia Chen
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Jianping Wang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Hucheng Zhu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Chunmei Chen
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China.
| | - Yonghui Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China.
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Xu TC, Lu YH, Wang JF, Song ZQ, Hou YG, Liu SS, Liu CS, Wu SH. Bioactive Secondary Metabolites of the Genus Diaporthe and Anamorph Phomopsis from Terrestrial and Marine Habitats and Endophytes: 2010-2019. Microorganisms 2021; 9:217. [PMID: 33494367 PMCID: PMC7912663 DOI: 10.3390/microorganisms9020217] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 02/07/2023] Open
Abstract
The genus Diaporthe and its anamorph Phomopsis are distributed worldwide in many ecosystems. They are regarded as potential sources for producing diverse bioactive metabolites. Most species are attributed to plant pathogens, non-pathogenic endophytes, or saprobes in terrestrial host plants. They colonize in the early parasitic tissue of plants, provide a variety of nutrients in the cycle of parasitism and saprophytism, and participate in the basic metabolic process of plants. In the past ten years, many studies have been focused on the discovery of new species and biological secondary metabolites from this genus. In this review, we summarize a total of 335 bioactive secondary metabolites isolated from 26 known species and various unidentified species of Diaporthe and Phomopsis during 2010-2019. Overall, there are 106 bioactive compounds derived from Diaporthe and 246 from Phomopsis, while 17 compounds are found in both of them. They are classified into polyketides, terpenoids, steroids, macrolides, ten-membered lactones, alkaloids, flavonoids, and fatty acids. Polyketides constitute the main chemical population, accounting for 64%. Meanwhile, their bioactivities mainly involve cytotoxic, antifungal, antibacterial, antiviral, antioxidant, anti-inflammatory, anti-algae, phytotoxic, and enzyme inhibitory activities. Diaporthe and Phomopsis exhibit their potent talents in the discovery of small molecules for drug candidates.
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Affiliation(s)
| | | | | | | | | | | | | | - Shao-Hua Wu
- Yunnan Institute of Microbiology, School of Life Sciences, Yunnan University, Kunming 650091, China; (T.-C.X.); (Y.-H.L.); (J.-F.W.); (Z.-Q.S.); (Y.-G.H.); (S.-S.L.); (C.-S.L.)
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Ruiz Mostacero N, Castelli MV, Barolo MI, Amigot SL, Fulgueira CL, López SN. Fungal endophytes in Peperomia obtusifolia and their potential as inhibitors of chickpea fungal pathogens. World J Microbiol Biotechnol 2021; 37:14. [PMID: 33394165 DOI: 10.1007/s11274-020-02954-8] [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] [Received: 12/11/2019] [Accepted: 10/26/2020] [Indexed: 10/22/2022]
Abstract
Chickpea (Cicer arietinum L., Fabaceae) is the second most important legume after common bean (Phaseolus vulgaris L., Fabaceae) and third in production among the legumes grains worldwide. Ascochyta blight and Fusarium wilt are among the main fungal infections which cause the major losses of chickpea crop. In this work we report the phyto-pathogen controlling properties of 24 endophyte Phomopsis/Diaporthe isolates on the chickpea fungal pathogens Ascochyta rabiei, Fusarium oxysporum and Fusarium solani. The Phomopsis/Diaporthe strains were isolated amongst a total of 62 endophytic fungi from the aerial parts of the herbaceous perennial American plant Peperomia obtusifolia (Piperaceae) along with Fusarium, Septoria, Colletotrichum, Alternaria and Roussoella genera among others. Phomopsis/Diaporthe isolates were identified as Diaporthe infecunda (12 isolates), Diaporthe sackstoni (1 isolate), Diaporthe cf. brasiliensis (4 isolates) and Phomopsis cf. tuberivora (7 isolates). All the Phomopsis/Diaporthe strains antagonized A. rabiei strain AR2 with a mean of inhibition (% I) of 86.59 ± 1.49% in dual cultures. The metabolic characterization of the Phomopsis/Diaporthe strains showed groups in three clusters which were in agreement with the taxonomic identification. Bioautographic evaluation of organic extracts showed that those of D. cf. brasiliensis and D. infecunda were better as inhibitors. Strain Po 45 was one of the most active (cluster 1, 96.87% I), and its ethyl acetate extract inhibited A. rabiei growth in a bioautographic assay until at least 10 μg/mm applied showing a specific chromatographic band as the responsible of the A. rabiei inhibition.
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Affiliation(s)
- Nathalie Ruiz Mostacero
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario, Argentina
| | - María Victoria Castelli
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario, Argentina.,CONICET, Rosario, Argentina
| | - Melisa Isabel Barolo
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario, Argentina
| | - Susana Lucrecia Amigot
- CEMAR-Secretaría de Salud Pública-Municipalidad de Rosario, San Luis 2020, Rosario, Argentina
| | - Cecilia Luisa Fulgueira
- Micología, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario, Argentina
| | - Silvia Noelí López
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario, Argentina. .,CONICET, Rosario, Argentina.
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Secondary Metabolites from the Endophytic Fungus Xylariales sp. and their Antimicrobial Activity. Chem Nat Compd 2020. [DOI: 10.1007/s10600-020-03080-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Isolation, structure elucidation, tyrosinase inhibitory, and antioxidant evaluation of the constituents from Angelica dahurica roots. J Nat Med 2019; 74:456-462. [DOI: 10.1007/s11418-019-01375-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 11/16/2019] [Indexed: 10/25/2022]
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