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Parimi A, Schreckenbach G. Interactions between Metals and Eudistomins of Ascidian Origin: A Computational Study. Inorg Chem 2023; 62:19178-19194. [PMID: 37956254 DOI: 10.1021/acs.inorgchem.3c02140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Ascidians are marine animals that adopt unusual techniques to deter predation. The three main methods are sequestration of unusual metals, high concentrations of sulfuric acid/sulfate ions in tunicate cells, and the presence of eudistomins. In this study, we hypothesize that ascidians sequester metals in their sulfate form, and the complexation of eudistomins with the metals could liberate the sulfate ion. Three representative metal aqua ions were chosen, viz., vanadyl, uranyl, and thorium ions, as well as four simple eudistomins which act as bidentate ligands, viz., eudistomin-W, debromoeudistomin-K, eudistomidin-C, and eudistomidin-B. By designing 7 model reactions, we tested our hypothesis using density functional theory (DFT) methods PBE-D3, BLYP, and B3LYP. The ΔG values of the model reactions provide strong support for our hypothesis. To verify the hypothesis further, we calculated the metal-eudistomin interactions with Be, Zn, and Pb. Based on our results, we suggest that ascidians may not prefer any particular metal. In addition, despite using different DFT functionals, we have observed similar ΔG values for each case. With our work, we have successfully used computational tools in our attempt to understand the unique behavior of ascidians.
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Affiliation(s)
- Ashutosh Parimi
- Department of Chemistry, University of Manitoba, Winnipeg R3T 2N2, Manitoba, Canada
| | - Georg Schreckenbach
- Department of Chemistry, University of Manitoba, Winnipeg R3T 2N2, Manitoba, Canada
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Ramesh C, Tulasi BR, Raju M, Thakur N, Dufossé L. Marine Natural Products from Tunicates and Their Associated Microbes. Mar Drugs 2021; 19:308. [PMID: 34073515 PMCID: PMC8228501 DOI: 10.3390/md19060308] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/22/2021] [Accepted: 05/24/2021] [Indexed: 12/17/2022] Open
Abstract
Marine tunicates are identified as a potential source of marine natural products (MNPs), demonstrating a wide range of biological properties, like antimicrobial and anticancer activities. The symbiotic relationship between tunicates and specific microbial groups has revealed the acquisition of microbial compounds by tunicates for defensive purpose. For instance, yellow pigmented compounds, "tambjamines", produced by the tunicate, Sigillina signifera (Sluiter, 1909), primarily originated from their bacterial symbionts, which are involved in their chemical defense function, indicating the ecological role of symbiotic microbial association with tunicates. This review has garnered comprehensive literature on MNPs produced by tunicates and their symbiotic microbionts. Various sections covered in this review include tunicates' ecological functions, biological activities, such as antimicrobial, antitumor, and anticancer activities, metabolic origins, utilization of invasive tunicates, and research gaps. Apart from the literature content, 20 different chemical databases were explored to identify tunicates-derived MNPs. In addition, the management and exploitation of tunicate resources in the global oceans are detailed for their ecological and biotechnological implications.
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Affiliation(s)
- Chatragadda Ramesh
- Biological Oceanography Division (BOD), CSIR-National Institute of Oceanography (CSIR-NIO), Dona Paula 403004, India
- Department of Ocean Studies and Marine Biology, Pondicherry Central University, Brookshabad Campus, Port Blair 744102, India;
| | - Bhushan Rao Tulasi
- Zoology Division, Sri Gurajada Appa Rao Government Degree College, Yellamanchili 531055, India;
| | - Mohanraju Raju
- Department of Ocean Studies and Marine Biology, Pondicherry Central University, Brookshabad Campus, Port Blair 744102, India;
| | - Narsinh Thakur
- Chemical Oceanography Division (COD), CSIR-National Institute of Oceanography (CSIR-NIO), Dona Paula 403004, India;
| | - Laurent Dufossé
- Laboratoire de Chimie et Biotechnologie des Produits Naturels (CHEMBIOPRO), Université de La Réunion, ESIROI Agroalimentaire, 15 Avenue René Cassin, CS 92003, CEDEX 9, F-97744 Saint-Denis, Ile de La Réunion, France
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Wang ZX, Xiang JC, Cheng Y, Ma JT, Wu YD, Wu AX. Direct Biomimetic Synthesis of β-Carboline Alkaloids from Two Amino Acids. J Org Chem 2018; 83:12247-12254. [PMID: 30134110 DOI: 10.1021/acs.joc.8b01668] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The increasing importance of enzyme mimics in organic synthesis inspired us to design a novel biomimetic synthesis of β-carboline alkaloids directly from tryptophan and a second amino acid. This novel one-pot protocol utilizes abundant and readily available starting materials and thus presents a green and user-friendly alternative to conventional methods that rely on stepwise synthesis. Driven by molecular iodine and TFA, decarboxylation, deamination, Pictet-Spengler reaction, and oxidation reactions proceeded sequentially, transforming biomass amino acids into value-added alkaloid motifs.
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Affiliation(s)
- Zi-Xuan Wang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Jia-Chen Xiang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Yan Cheng
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Jin-Tian Ma
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Yan-Dong Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - An-Xin Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
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Manasa KL, Tangella Y, Ramu G, Nagendra Babu B. TCCA; A Mild Reagent for Decarboxylative/Dehydrogenative Aromatization of Tetrahydro-β-
carbolines: Utility in the Total Synthesis of Norharmane, Harmane, Eudistomin U, I and N. ChemistrySelect 2017. [DOI: 10.1002/slct.201701886] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kesari Lakshmi Manasa
- Department of Medicinal Chemistry; National Institute of Pharmaceutical Education and Research (NIPER); Hyderabad- 500 037 India
| | - Yellaiah Tangella
- Centre for Semiochemicals; CSIR-Indian Institute of Chemical Technology; Hyderabad- 500 007 India
| | - Gopathi Ramu
- Centre for Semiochemicals; CSIR-Indian Institute of Chemical Technology; Hyderabad- 500 007 India
| | - Bathini Nagendra Babu
- Department of Medicinal Chemistry; National Institute of Pharmaceutical Education and Research (NIPER); Hyderabad- 500 037 India
- Centre for Semiochemicals; CSIR-Indian Institute of Chemical Technology; Hyderabad- 500 007 India
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Kamal A, Sathish M, Prasanthi AVG, Chetna J, Tangella Y, Srinivasulu V, Shankaraiah N, Alarifi A. An efficient one-pot decarboxylative aromatization of tetrahydro-β-carbolines by using N-chlorosuccinimide: total synthesis of norharmane, harmane and eudistomins. RSC Adv 2015. [DOI: 10.1039/c5ra16221a] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A mild one-pot synthesis of β-carbolines from their tetrahydro-β-carboline acids has been developed via decorboxylative aromatization using N-chlorosuccinimide (NCS).
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Affiliation(s)
- Ahmed Kamal
- Medicinal Chemistry & Pharmacology
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500 007
- India
- Department of Medicinal Chemistry
| | - Manda Sathish
- Medicinal Chemistry & Pharmacology
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500 007
- India
| | - A. V. G. Prasanthi
- Department of Medicinal Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad-500 037
- India
| | - Jadala Chetna
- Department of Medicinal Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad-500 037
- India
| | - Yellaiah Tangella
- Medicinal Chemistry & Pharmacology
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500 007
- India
| | - Vunnam Srinivasulu
- Medicinal Chemistry & Pharmacology
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500 007
- India
| | - Nagula Shankaraiah
- Department of Medicinal Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad-500 037
- India
| | - Abdullah Alarifi
- Catalytic Chemistry Research Chair
- Chemistry Department
- College of Science
- King Saud University
- Riyadh 11451
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Finlayson R, Brackovic A, Simon-Levert A, Banaigs B, O’Toole RF, Miller CH, Copp BR. Establishment of the absolute configuration of the bioactive marine alkaloid eudistomin X by stereospecific synthesis. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2010.12.052] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Wang W, Nam SJ, Lee BC, Kang H. Beta-carboline alkaloids from a Korean tunicate Eudistoma sp. JOURNAL OF NATURAL PRODUCTS 2008; 71:163-6. [PMID: 18247569 DOI: 10.1021/np070064o] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Seven new beta-carboline-based metabolites, designated as eudistomins Y1-Y7 ( 1- 7), were isolated from a tunicate of the genus Eudistoma collected near Tong-Yeong City, South Sea, Korea. These new metabolites differ from previously isolated marine metabolites due to the presence of a benzoyl group attached to the beta-carboline nucleus at C-1. Eudistomins Y 1-Y 7 were evaluated for their antibacterial activity, and eudistomin Y6 exhibited moderate antibacterial activity against Gram-positive bacteria Staphylococcus epidermis and Bacillus subtilis without cytotoxicity in the MTT assay at 100 microM.
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Affiliation(s)
- Weihong Wang
- Center for Marine Natural Products and Drug Discovery, School of Earth and Environmental Sciences, Seoul National University, NS-80, Seoul, 151-747, Korea
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Affiliation(s)
- Jin-Feng Hu
- Department of Pharmacognosy, National Center for the Development of Natural Products (NCNPR), School of Pharmacy, University of Mississippi, University, Mississippi, USA
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Houdai T, Matsuoka S, Murata M, Satake M, Ota S, Oshima Y, Rhodes LL. Acetate labeling patterns of dinoflagellate polyketides, amphidinols 2, 3 and 4. Tetrahedron 2001. [DOI: 10.1016/s0040-4020(01)00481-1] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Bowden BF. Aromatic alkaloids from ascidians. ACTA ACUST UNITED AC 2000. [DOI: 10.1016/s1572-5995(00)80131-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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Chapter Four β-Carboline and isoquinoline alkaloids from marine organisms. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/s0735-8210(96)80028-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
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