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1
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Tsakem B, Tchamgoue J, Kinge RT, Tiani GLM, Teponno RB, Kouam SF. Diversity of African fungi, chemical constituents and biological activities. Fitoterapia 2024; 178:106154. [PMID: 39089594 DOI: 10.1016/j.fitote.2024.106154] [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: 06/10/2024] [Revised: 07/25/2024] [Accepted: 07/28/2024] [Indexed: 08/04/2024]
Abstract
Besides plants and animals, the fungal kingdom consists of several species characterized by various forms and applications. Fungi are amazing producers of bioactive natural products with applications in medicine and agriculture. Though this kingdom has been extensively investigated worldwide, it remains relatively underexplored in Africa. To address the knowledge gaps, encourage research interest, and suggest opportunities for the discovery of more bioactive substances from African fungi, we considered it appropriate to extensively review the research work carried out on African fungi since 1988. This review summarizes the diversity and distribution of fungi throughout Africa, the secondary metabolites yet reported from studied fungi, their biological activities and, the countries where they were collected. The studied fungi originated from eleven African countries and were mainly endophytic fungi and higher fungi (macrofungi). Their investigation led to the isolation of five hundred and three (503) compounds with polyketides representing the main class of secondary metabolites. The compounds exhibited varied biological activities with antibacterial and antiproliferative properties being the most prominent.
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Affiliation(s)
- Bienvenu Tsakem
- Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, P.O. Box 47, Yaoundé, Cameroon; Department of Chemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Joseph Tchamgoue
- Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, P.O. Box 47, Yaoundé, Cameroon; Department of Organic Chemistry, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.
| | - Rosemary Tonjock Kinge
- Department of Plant Sciences, Faculty of Science, The University of Bamenda, P.O. Box 39, Bambili, Cameroon
| | - Gesqiere Laure M Tiani
- Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, P.O. Box 47, Yaoundé, Cameroon; Department of Fundamental Science, University Institute for Wood Technology Mbalmayo, P.O. Box 306, Mbalmayo, Cameroon
| | - Rémy Bertrand Teponno
- Department of Chemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Simeon F Kouam
- Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, P.O. Box 47, Yaoundé, Cameroon.
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2
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Murata T, Tsutsui H, Yoshida T, Kubota H, Hiraishi S, Natsukawa H, Suzuki Y, Hiraga D, Mori T, Maekawa Y, Tateyama S, Toyoyama K, Ito K, Suzuki K, Yonekura K, Shibata N, Sato T, Tasaki Y, Inohana T, Takano A, Egashira N, Honda M, Umezaki Y, Shiina I. First Total Synthesis of Tanzawaic Acid B. ACS OMEGA 2023; 8:27703-27709. [PMID: 37546667 PMCID: PMC10399178 DOI: 10.1021/acsomega.3c03634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 06/27/2023] [Indexed: 08/08/2023]
Abstract
The first total synthesis of (+)-tanzawaic acid B, a natural polyketide bearing a pentadienoic ester and octalin moiety, has been accomplished. The synthetic improvement from previous synthetic conditions facilitated our gram-scale synthesis of the chiral octalin that possesses seven stereogenic centers and that is the core skeleton of almost all of the tanzawaic acid family.
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Affiliation(s)
- Takatsugu Murata
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Hisazumi Tsutsui
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Takumi Yoshida
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Hirokazu Kubota
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Shintaro Hiraishi
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Hiyo Natsukawa
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Yuki Suzuki
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Daiki Hiraga
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Takahiro Mori
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Yutaro Maekawa
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Satoru Tateyama
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Kiyotaka Toyoyama
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Keiichi Ito
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Kyohei Suzuki
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Keita Yonekura
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Natsumi Shibata
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Teruyuki Sato
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Yasutaka Tasaki
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Takehiko Inohana
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Atsuhiro Takano
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Naoki Egashira
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Masaki Honda
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Yuma Umezaki
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Isamu Shiina
- Department of Applied Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
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3
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El-Elimat T, Raja HA, Figueroa M, Al Sharie AH, Bunch RL, Oberlies NH. Freshwater Fungi as a Source of Chemical Diversity: A Review. JOURNAL OF NATURAL PRODUCTS 2021; 84:898-916. [PMID: 33662206 PMCID: PMC8127292 DOI: 10.1021/acs.jnatprod.0c01340] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
As their name indicates, freshwater fungi occur on submerged substrates in fresh water habitats. This review brings together the chemical diversity and biological activity of 199 of the 280 known freshwater fungal metabolites published from 1992 to 2020, representing at least seven structural classes, including polyketides, phenylpropanoids, terpenoids, meroterpenoids, alkaloids, polypeptides, and monosaccharides. In addition to describing what they are, where they are found, and what they do, we also discuss strategies for the collection, isolation, and identification of fungi from freshwater habitats, with the goal of enhancing chemists' knowledge of several mycological principles. We anticipate that this review will provide a springboard for future natural products studies from this fascinating but underexplored group of Ascomycota.
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Affiliation(s)
- Tamam El-Elimat
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, 22110, Jordan
| | - Huzefa A. Raja
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, North Carolina 27402, United States
| | - Mario Figueroa
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
| | - Ahmed H. Al Sharie
- Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Rick L. Bunch
- Department of Geography, Environment, and Sustainability, University of North Carolina at Greensboro, Greensboro, North Carolina 27402, USA
| | - Nicholas H. Oberlies
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, North Carolina 27402, United States
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