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Zhang X, Ye Z, Li Y, Zhao Z, Ma W, Zhang F. Electrochemical Nickel-Catalyzed Cross-Electrophile Coupling of Alkenyl Triflates with α-Chloroamides. Org Lett 2024; 26:6364-6369. [PMID: 39051850 DOI: 10.1021/acs.orglett.4c02072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
Cross-electrophile coupling reactions of different electrophiles have been extensively studied but mainly limited to bromides and iodides. Here, we report an electrochemically induced nickel-catalyzed cross-electrophile coupling strategy between alkenyl triflates and α-chloroamides in an undivided cell under mild reaction conditions, affording the α-functionalized amide derivatives in good to excellent yields with broad substrate scopes and good functional group tolerance. The control experiments were conducted, and a plausible mechanism was proposed.
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Affiliation(s)
- Xi Zhang
- School of Pharmacy, Hangzhou Medical College, Hangzhou, Zhejiang 310014, P. R. China
| | - Zenghui Ye
- School of Pharmacy, Hangzhou Medical College, Hangzhou, Zhejiang 310014, P. R. China
| | - Yicai Li
- School of Pharmacy, Hangzhou Medical College, Hangzhou, Zhejiang 310014, P. R. China
| | - Ziqiang Zhao
- School of Pharmacy, Hangzhou Medical College, Hangzhou, Zhejiang 310014, P. R. China
| | - Weiyuan Ma
- School of Pharmacy, Hangzhou Medical College, Hangzhou, Zhejiang 310014, P. R. China
| | - Fengzhi Zhang
- School of Pharmacy, Hangzhou Medical College, Hangzhou, Zhejiang 310014, P. R. China
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Pellissier L, Gaudry A, Vilette S, Lecoultre N, Rutz A, Allard PM, Marcourt L, Ferreira Queiroz E, Chave J, Eparvier V, Stien D, Gindro K, Wolfender JL. Comparative metabolomic study of fungal foliar endophytes and their long-lived host Astrocaryum sciophilum: a model for exploring the chemodiversity of host-microbe interactions. FRONTIERS IN PLANT SCIENCE 2023; 14:1278745. [PMID: 38186589 PMCID: PMC10768666 DOI: 10.3389/fpls.2023.1278745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 11/28/2023] [Indexed: 01/09/2024]
Abstract
Introduction In contrast to the dynamics observed in plant/pathogen interactions, endophytic fungi have the capacity to establish enduring associations within their hosts, leading to the development of a mutually beneficial relationship that relies on specialized chemical interactions. Research indicates that the presence of endophytic fungi has the ability to significantly modify the chemical makeup of the host organism. Our hypothesis proposes the existence of a reciprocal exchange of chemical signals between plants and fungi, facilitated by specialized chemical processes that could potentially manifest within the tissues of the host. This research aimed to precisely quantify the portion of the cumulative fungal endophytic community's metabolome detectable within host leaves, and tentatively evaluate its relevance to the host-endophyte interplay. The understory palm Astrocaryum sciophilum (Miq.) Pulle was used as a interesting host plant because of its notable resilience and prolonged life cycle, in a tropical ecosystem. Method Using advanced metabolome characterization, including UHPLC-HRMS/MS and molecular networking, the study explored enriched metabolomes of both host leaves and 15 endophytic fungi. The intention was to capture a metabolomic "snapshot" of both host and endophytic community, to achieve a thorough and detailed analysis. Results and discussion This approach yielded an extended MS-based molecular network, integrating diverse metadata for identifying host- and endophyte-derived metabolites. The exploration of such data (>24000 features in positive ionization mode) enabled effective metabolome comparison, yielding insights into cultivable endophyte chemodiversity and occurrence of common metabolites between the holobiont and its fungal communities. Surprisingly, a minor subset of features overlapped between host leaf and fungal samples despite significant plant metabolome enrichment. This indicated that fungal metabolic signatures produced in vitro remain sparingly detectable in the leaf. Several classes of primary metabolites were possibly shared. Specific fungal metabolites and/or compounds of their chemical classes were only occasionally discernible in the leaf, highlighting endophytes partial contribution to the overall holobiont metabolome. To our knowledge, the metabolomic study of a plant host and its microbiome has rarely been performed in such a comprehensive manner. The general analytical strategy proposed in this paper seems well-adapted for any study in the field of microbial- or microbiome-related MS and can be applied to most host-microbe interactions.
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Affiliation(s)
- Leonie Pellissier
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Arnaud Gaudry
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Salomé Vilette
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Nicole Lecoultre
- Mycology Group, Research Department Plant Protection, Agroscope, Nyon, Switzerland
| | - Adriano Rutz
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Pierre-Marie Allard
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Laurence Marcourt
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Emerson Ferreira Queiroz
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Jérôme Chave
- Laboratoire Evolution et diversité Biologique (Unité Mixte de Recherche (UMR) 5174), Centre National de la Recherche Scientifique (CNRS), Université Toulouse III (UT3), Institut de Recherche pour le Développement (IRD), Université Toulouse 3, Toulouse, France
| | - Véronique Eparvier
- Université Paris-Saclay, Centre National de la Recherche Scientifique (CNRS), Institut de Chimie des Substances Naturelles, Gif-sur-Yvette, France
| | - Didier Stien
- Sorbonne Université, Centre National de la Recherche Scientifique (CNRS), Laboratoire de Biodiversité et Biotechnologie Microbiennes, Laboratoire de Biodiversité et Biotechnologies Microbiennes (LBBM), Observatoire Océanologique, Banyuls-Sur-Mer, France
| | - Katia Gindro
- Mycology Group, Research Department Plant Protection, Agroscope, Nyon, Switzerland
| | - Jean-Luc Wolfender
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
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Xu M, Huang Z, Zhu W, Liu Y, Bai X, Zhang H. Fusarium-Derived Secondary Metabolites with Antimicrobial Effects. Molecules 2023; 28:molecules28083424. [PMID: 37110658 PMCID: PMC10142451 DOI: 10.3390/molecules28083424] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/07/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Fungal microbes are important in the creation of new drugs, given their unique genetic and metabolic diversity. As one of the most commonly found fungi in nature, Fusarium spp. has been well regarded as a prolific source of secondary metabolites (SMs) with diverse chemical structures and a broad spectrum of biological properties. However, little information is available concerning their derived SMs with antimicrobial effects. By extensive literature search and data analysis, as many as 185 antimicrobial natural products as SMs had been discovered from Fusarium strains by the end of 2022. This review first provides a comprehensive analysis of these substances in terms of various antimicrobial effects, including antibacterial, antifungal, antiviral, and antiparasitic. Future prospects for the efficient discovery of new bioactive SMs from Fusarium strains are also proposed.
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Affiliation(s)
- Meijie Xu
- School of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
| | - Ziwei Huang
- School of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
| | - Wangjie Zhu
- School of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yuanyuan Liu
- School of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
| | - Xuelian Bai
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China
| | - Huawei Zhang
- School of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
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Ming Q, Huang X, Guo L, Liu D, Qin L, He Y, Tang Y, Liu Y, Liu J, Li P. Diversity of endophytic fungi in Coptis chinensis Franch. and their activity against methicillin-resistant Staphylococcus aureus. Folia Microbiol (Praha) 2022; 67:965-974. [PMID: 35907122 DOI: 10.1007/s12223-022-00994-1] [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: 03/29/2022] [Accepted: 07/21/2022] [Indexed: 11/04/2022]
Abstract
This study aimed at investigating the diversity of endophytic fungi from Coptis chinensis and their activity against methicillin-resistant Staphylococcus aureus (MRSA). Seventy-nine fungal isolates obtained from C. chinensis were identified to belong to 27 species based on morphological features and internal transcript spacer (ITS) gene sequencing analysis. Comparing relative frequency values, the most frequent genera were Colletotrichum and Fusarium, while most frequent species were C. gloeosporioides and F. avenaceum. Analysis of diversity indices indicated that C. chinensis harbored abundant fungal resources. Methanol extracts of fungal endophyte cultures were evaluated for antibacterial activity against S. aureus ATCC 25923 and two other MRSA clinical strains. Nine of 27 endophytic fungi exhibited inhibitory activities against S. aureus ATCC 25923. Among them, Paraboeremia litseae HL-17, Fusarium sp. HL-23, and Fusarium sp. HL-27 exhibited obvious inhibition against the three S. aureus strains. Our findings suggest that the endophytic fungi in C. chinensis have a high diversity and an obvious tissue specificity, and could be of potential interest in screening anti-MRSA agents. To the best of our knowledge, this is the first report on the diversity and anti-MRSA activity of fungal endophytes from C. chinensis.
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Affiliation(s)
- Qianliang Ming
- Department of Pharmacognosy, College of Pharmacy, Army Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Xiuning Huang
- Department of Pharmacognosy, College of Pharmacy, Army Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Linming Guo
- Department of Pharmacognosy, College of Pharmacy, Army Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Dong Liu
- Department of Pharmacognosy, College of Pharmacy, Army Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Lingyue Qin
- Department of Pharmacognosy, College of Pharmacy, Army Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Yimo He
- Department of Pharmacognosy, College of Pharmacy, Army Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Yu Tang
- Department of Pharmacognosy, College of Pharmacy, Army Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Yanxia Liu
- Department of Pharmacognosy, College of Pharmacy, Army Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Junkang Liu
- Department of Pharmacognosy, College of Pharmacy, Army Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Peng Li
- Department of Pharmacognosy, College of Pharmacy, Army Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.
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Yu JH, Yu ZP, Capon RJ, Zhang H. Natural Enantiomers: Occurrence, Biogenesis and Biological Properties. Molecules 2022; 27:1279. [PMID: 35209066 PMCID: PMC8880303 DOI: 10.3390/molecules27041279] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 02/01/2023] Open
Abstract
The knowledge that natural products (NPs) are potent and selective modulators of important biomacromolecules (e.g., DNA and proteins) has inspired some of the world's most successful pharmaceuticals and agrochemicals. Notwithstanding these successes and despite a growing number of reports on naturally occurring pairs of enantiomers, this area of NP science still remains largely unexplored, consistent with the adage "If you don't seek, you don't find". Statistically, a rapidly growing number of enantiomeric NPs have been reported in the last several years. The current review provides a comprehensive overview of recent records on natural enantiomers, with the aim of advancing awareness and providing a better understanding of the chemical diversity and biogenetic context, as well as the biological properties and therapeutic (drug discovery) potential, of enantiomeric NPs.
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Affiliation(s)
- Jin-Hai Yu
- School of Biological Science and Technology, University of Jinan, Jinan 250022, China; (J.-H.Y.); (Z.-P.Y.)
| | - Zhi-Pu Yu
- School of Biological Science and Technology, University of Jinan, Jinan 250022, China; (J.-H.Y.); (Z.-P.Y.)
| | - Robert J. Capon
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Hua Zhang
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
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Ma JT, Du JX, Zhang Y, Liu JK, Feng T, He J. Natural imidazole alkaloids as antibacterial agents against Pseudomonas syringae pv. actinidiae isolated from kiwi endophytic fungus Fusarium tricinctum. Fitoterapia 2021; 156:105070. [PMID: 34718093 DOI: 10.1016/j.fitote.2021.105070] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 10/22/2021] [Accepted: 10/24/2021] [Indexed: 11/04/2022]
Abstract
Kiwi (Actinidia chinensis) plants are severely destroyed by canker disease which is caused by the bacterium Pseudomonas syringae pv. actinidiae (Psa). This program tries to find anti-Psa agents among secondary metabolites of endophytic fungi from kiwi plant itself. The chemical investigation on one kiwi endophytic fungi, Fusarium tricinctum, resulted in the isolation of nine new imidazole alkaloids, fusaritricines A-I (1-9) together with seven known analogues (10-16). The structures of new compounds were established by extensive spectroscopic methods. Compounds 2, 3, 9, and 13 showed good antibacterial activity against Psa with MIC values between 25 and 50 μg/mL. It is suggested that imidazole alkaloids should be potential anti-Psa agents.
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Affiliation(s)
- Jin-Tao Ma
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, People's Republic of China
| | - Jiao-Xian Du
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, People's Republic of China
| | - Yan Zhang
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, People's Republic of China
| | - Ji-Kai Liu
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, People's Republic of China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central University for Nationalities, Wuhan 430074, People's Republic of China
| | - Tao Feng
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, People's Republic of China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central University for Nationalities, Wuhan 430074, People's Republic of China
| | - Juan He
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, People's Republic of China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central University for Nationalities, Wuhan 430074, People's Republic of China.
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Chemistry and bioactivities of secondary metabolites from the genus Fusarium. Fitoterapia 2020; 146:104638. [DOI: 10.1016/j.fitote.2020.104638] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 05/14/2020] [Accepted: 05/24/2020] [Indexed: 02/06/2023]
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Li M, Yu R, Bai X, Wang H, Zhang H. Fusarium: a treasure trove of bioactive secondary metabolites. Nat Prod Rep 2020; 37:1568-1588. [PMID: 32785347 DOI: 10.1039/d0np00038h] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Covering up to December 2019Fusarium, one of the most common fungal genera, has received considerable attention because of its biosynthetic exuberance, the result of many unique gene clusters involved in the production of secondary metabolites. This review provides the first comprehensive analysis of the secondary metabolites unique to the genus Fusarium, describing their occurrence, bioactivity, and genome features.
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Affiliation(s)
- Mingzhu Li
- School of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China.
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Identification of a Huperzine A-producing endophytic fungus from Phlegmariurus taxifolius. Mol Biol Rep 2019; 47:489-495. [PMID: 31659691 DOI: 10.1007/s11033-019-05155-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 10/22/2019] [Indexed: 02/07/2023]
Abstract
Highly prized huperzine A (Hup A), a natural alkaloid formerly isolated from the Chinese medicinal plant Huperzia serrata, has been widely used for the treatment of Alzheimer disease, inspiring us to search for endophytic fungi that produce this compound. In this study, we obtained the C17 fungus isolate from the Mexican club moss Phlegmariurus taxifolius, which produced a yield of 3.2 μg/g Hup A in mycelial dry weight, when cultured in potato dextrose broth medium. The C17 isolate was identified as belonging to the genus Fusarium with reference to the colony´s morphological characteristics and the presence of macroconidia and microconidia structures; and this was confirmed by DNA-barcoding analysis, by amplifying and sequencing the ribosomal internal transcribed spacer (rITS).
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