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Chambaud M, Le Ray AM, Hamzi R, Charpentier T, Blon N, Bréard D, Le Pogam P, Litaudon M, Dumontet V, Bataillé-Simoneau N, Guillemette T, Simoneau P, Schinkovitz A, Guilet D, Viault G, Richomme P. Xanthone Inhibitors of Unfolded Protein Response Isolated from Calophyllum caledonicum. JOURNAL OF NATURAL PRODUCTS 2024; 87:1628-1634. [PMID: 38869194 DOI: 10.1021/acs.jnatprod.4c00328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Abstract
The unfolded protein response (UPR) is a key component of fungal virulence. The prenylated xanthone γ-mangostin isolated from Garcinia mangostana (Clusiaceae) fruit pericarp, has recently been described to inhibit this fungal adaptative pathway. Considering that Calophyllum caledonicum (Calophyllaceae) is known for its high prenylated xanthone content, its stem bark extract was fractionated using a bioassay-guided procedure based on the cell-based anti-UPR assay. Four previously undescribed xanthone derivatives were isolated, caledonixanthones N-Q (3, 4, 8, and 12), among which compounds 3 and 8 showed promising anti-UPR activities with IC50 values of 11.7 ± 0.9 and 7.9 ± 0.3 μM, respectively.
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Affiliation(s)
- Marine Chambaud
- SONAS | Substances d'Origine Naturelle et Analogues Structuraux Univ Angers, SONAS, SFR QUASAV, F-49000 Angers, France
| | - Anne-Marie Le Ray
- SONAS | Substances d'Origine Naturelle et Analogues Structuraux Univ Angers, SONAS, SFR QUASAV, F-49000 Angers, France
| | - Racha Hamzi
- SONAS | Substances d'Origine Naturelle et Analogues Structuraux Univ Angers, SONAS, SFR QUASAV, F-49000 Angers, France
| | - Thomas Charpentier
- SONAS | Substances d'Origine Naturelle et Analogues Structuraux Univ Angers, SONAS, SFR QUASAV, F-49000 Angers, France
| | - Nadège Blon
- SONAS | Substances d'Origine Naturelle et Analogues Structuraux Univ Angers, SONAS, SFR QUASAV, F-49000 Angers, France
| | - Dimitri Bréard
- SONAS | Substances d'Origine Naturelle et Analogues Structuraux Univ Angers, SONAS, SFR QUASAV, F-49000 Angers, France
| | - Pierre Le Pogam
- BioCIS | Biomolécules: conception, isolement, synthèse, CNRS, UMR 8076, Université Paris-Saclay, 91400 Orsay, France
| | - Marc Litaudon
- ICSN |Institut de Chimie des Substances Naturelles, CNRS-ICSN, UPR 2301, Université Paris-Saclay, 91198 Gif-sur-Yvette, France
| | - Vincent Dumontet
- ICSN |Institut de Chimie des Substances Naturelles, CNRS-ICSN, UPR 2301, Université Paris-Saclay, 91198 Gif-sur-Yvette, France
| | - Nelly Bataillé-Simoneau
- IRHS | Institut de Recherche en Horticulture et Semences Univ Angers, Institut Agro, INRAE, IRHS, SFR QUASAV, F-49000 Angers, France
| | - Thomas Guillemette
- IRHS | Institut de Recherche en Horticulture et Semences Univ Angers, Institut Agro, INRAE, IRHS, SFR QUASAV, F-49000 Angers, France
| | - Philippe Simoneau
- IRHS | Institut de Recherche en Horticulture et Semences Univ Angers, Institut Agro, INRAE, IRHS, SFR QUASAV, F-49000 Angers, France
| | - Andreas Schinkovitz
- SONAS | Substances d'Origine Naturelle et Analogues Structuraux Univ Angers, SONAS, SFR QUASAV, F-49000 Angers, France
| | - David Guilet
- SONAS | Substances d'Origine Naturelle et Analogues Structuraux Univ Angers, SONAS, SFR QUASAV, F-49000 Angers, France
| | - Guillaume Viault
- SONAS | Substances d'Origine Naturelle et Analogues Structuraux Univ Angers, SONAS, SFR QUASAV, F-49000 Angers, France
| | - Pascal Richomme
- SONAS | Substances d'Origine Naturelle et Analogues Structuraux Univ Angers, SONAS, SFR QUASAV, F-49000 Angers, France
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2
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Zailan AAD, Karunakaran T, Santhanam R, Suriaty Yaakop A, Mohan S, Abu Bakar MH, Jong Yi Mian V. Phytochemicals from the Stem Bark of Calophyllum havilandii P. F. Stevens and their Biological Activities. Chem Biodivers 2024; 21:e202301936. [PMID: 38268343 DOI: 10.1002/cbdv.202301936] [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: 12/02/2023] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 01/26/2024]
Abstract
The genus Calophyllum from the family Calophyllaceae has been extensively investigated in the past due to its rich source of bioactive phenolics such as coumarins, chromanones, and xanthones. In this study, phytochemical investigation on the stem bark of Calophyllum havilandii has afforded a new 4-propyldihydrocoumarin derivative, havilarin (1) together with calolongic acid (2), caloteysmannic acid (3), isocalolongic acid (4), euxanthone (5), and β-sitosterol (6). The chemical structure of compound 1 was elucidated and established based on detailed spectroscopic techniques, including MS, IR, UV, 1D and 2D NMR. The results of anti-bacillus study indicated that the chloroform extract showed promising activities with MIC value ranging between 0.5 to 1 μg/mL on selected bacillus strains. Besides, the plant extracts and compounds 1-4 were assessed for their cytotoxicity potential on HL-7702 cell line. All the tested plant extracts and respective chemical constituents displayed non-cytotoxic activity on HL-7702 cell line.
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Affiliation(s)
| | - Thiruventhan Karunakaran
- Centre for Drug Research, Universiti Sains Malaysia, 11800 USM, Pulau Pinang, Malaysia
- School of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Pulau Pinang, Malaysia
| | - Rameshkumar Santhanam
- Faculty of Marine Science and Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia
| | - Amira Suriaty Yaakop
- School of Biological Sciences, Universiti Sains Malaysia, 11800 USM, Pulau Pinang, Malaysia
| | - Sivakumar Mohan
- Faculty of Marine Science and Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia
| | - Mohamad Hafizi Abu Bakar
- Bioprocess Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800 USM, Penang, Malaysia
| | - Vivien Jong Yi Mian
- Centre of Applied Science Studies, Universiti Teknologi Mara, 94300 UiTM, Kuching, Sarawak, Malaysia
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3
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Cadorna CAE, Pahayo DG, Rey JD. The first mitochondrial genome of Calophyllum soulattri Burm.f. Sci Rep 2024; 14:5112. [PMID: 38429360 PMCID: PMC10907642 DOI: 10.1038/s41598-024-55016-6] [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: 09/28/2023] [Accepted: 02/19/2024] [Indexed: 03/03/2024] Open
Abstract
Calophyllum soulattri Burm.f. is traditionally used to treat skin infections and reduce rheumatic pain, yet genetic and genomic studies are still limited. Here, we present the first complete mitochondrial genome of C. soulattri. It is 378,262 bp long with 43.97% GC content, containing 55 genes (30 protein-coding, 5 rRNA, and 20 tRNA). Repeat analysis of the mitochondrial genome revealed 194 SSRs, mostly mononucleotides, and 266 pairs of dispersed repeats ( ≥ 30 bp) that were predominantly palindromic. There were 23 homologous fragments found between the mitochondrial and plastome genomes. We also predicted 345 C-to-U RNA editing sites from 30 protein-coding genes (PCGs) of the C. soulatrii mitochondrial genome. These RNA editing events created the start codon of nad1 and the stop codon of ccmFc. Most PCGs of the C. soulattri mitochondrial genome underwent negative selection, but atp4 and ccmB experienced positive selection. Phylogenetic analyses showed C. soulattri is a sister taxon of Garcinia mangostana. This study has shed light on C. soulattri's evolution and Malpighiales' phylogeny. As the first complete mitochondrial genome in Calophyllaceae, it can be used as a reference genome for other medicinal plant species within the family for future genetic studies.
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Affiliation(s)
- Charles Anthon E Cadorna
- Plant Molecular Phylogenetics Laboratory, Institute of Biology, College of Science, University of the Philippines, Diliman, 1101, Quezon City, Philippines
| | - Dexter G Pahayo
- Plant Molecular Phylogenetics Laboratory, Institute of Biology, College of Science, University of the Philippines, Diliman, 1101, Quezon City, Philippines
| | - Jessica D Rey
- Plant Molecular Phylogenetics Laboratory, Institute of Biology, College of Science, University of the Philippines, Diliman, 1101, Quezon City, Philippines.
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4
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Chen L, Wang X, Ban T, Usman M, Liu S, Lyu D, Chen H. Research Ideas Discovery via Hierarchical Negative Correlation. IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS 2024; 35:1639-1650. [PMID: 35767488 DOI: 10.1109/tnnls.2022.3184498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A new research idea may be inspired by the connections of keywords. Link prediction discovers potential nonexisting links in an existing graph and has been applied in many applications. This article explores a method of discovering new research ideas based on link prediction, which predicts the possible connections of different keywords by analyzing the topological structure of the keyword graph. The patterns of links between keywords may be diversified due to different domains and different habits of authors. Therefore, it is often difficult for a single learner to extract diverse patterns of different research domains. To address this issue, groups of learners are organized with negative correlation to encourage the diversity of sublearners. Moreover, a hierarchical negative correlation mechanism is proposed to extract subgraph features in different order subgraphs, which improves the diversity by explicitly supervising the negative correlation on each layer of sublearners. Experiments are conducted to illustrate the effectiveness of the proposed model to discover new research ideas. Under the premise of ensuring the performance of the model, the proposed method consumes less time and computational cost compared with other ensemble methods.
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Firouz NS, Karunakaran T, Mokhtar N, Santhanam R, Jong VYM, Abu Bakar MH. Chemical constituents from the stem barks of Calophyllum recurvatum P.F. Stevens and Calophyllum andersonii P.F. Stevens, and their in-vitro hepatotoxic activity. Nat Prod Res 2024:1-7. [PMID: 38247357 DOI: 10.1080/14786419.2024.2305222] [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: 05/26/2023] [Accepted: 01/06/2024] [Indexed: 01/23/2024]
Abstract
Bioactive phenolics can be found in abundance in Calophyllum species. Phytochemical studies are carried out on the stem bark of Calophyllum recurvatum and Calophyllum andersonii, which has led to the isolation and elucidation of phytochemicals, thwaitesixanthone (1), teysmanone A (2), soulattrolide (3), calanone (4), isocalanone (5) and friedelin (6), respectively. The cytotoxic activities of compounds (2), (3), (4) and (5) as well as plant extracts were tested against HeLa Chang liver, HepG2 and HL-7702 cell lines. Phenylpyranocoumarins, teysmanone A (2) and soulattrolide (3) portrayed appreciable cytotoxicity activities at 42.57 ± 1.20 and 34.53 ± 3.41 µg/mL, respectively against HepG2 cell line comparable to the positive control, curcumin. Meanwhile, n-hexane extract from C. recurvatum exhibited cytotoxicity with the IC50 value of 36.43 ± 0.64 and 26.25 ± 4.83 µg/mL against HeLa Chang liver and HepG2 cell lines. All the tested compounds and plant extracts displayed non-cytotoxic properties on HL-7702 cell line.
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Affiliation(s)
| | - Thiruventhan Karunakaran
- Centre for Drug Research, Universiti Sains Malaysia, Pulau Pinang, Malaysia
- School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
| | - Norisha Mokhtar
- Centre for Drug Research, Universiti Sains Malaysia, Pulau Pinang, Malaysia
| | - Rameshkumar Santhanam
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Vivien Yi Mian Jong
- Faculty of Applied Science Studies, Universiti Teknologi MARA, Kota Samarahan, Sarawak, Malaysia
| | - Mohamad Hafizi Abu Bakar
- Bioprocess Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Pulau Pinang, Malaysia
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6
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Rani DM, Wongso H, Purwoko RY, Winarto NB, Shalas AF, Triatmoko B, Pratama ANW, Keller PA, Nugraha AS. Anti-cancer bioprospecting on medicinal plants from Indonesia: A review. PHYTOCHEMISTRY 2023; 216:113881. [PMID: 37827225 DOI: 10.1016/j.phytochem.2023.113881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 09/25/2023] [Accepted: 09/28/2023] [Indexed: 10/14/2023]
Abstract
The Indonesian archipelago is home to the second largest biodiversity in the world and is inhabited by more than 300 ethnic groups with a total population of more than 270 million. The indigenous population still rely on traditional medicine practices, especially the use of plant-based remedies. Although modern science-based exploration on Indonesian medicinal plants started with the European settlement in the archipelago in the 16th century, it was not until the 1970's that the phytochemistry of Indonesian medicinal plants was recognized for its potency. The need for new cancer cures to increase the quality of human life has led to the bioprospecting of medicinal plants including those of Indonesian origin. Despite published reports on the anticancer potency of Indonesian medicinal plants, to date there has been no comprehensive review on this topic. In this manuscript, we review the phytochemical and pharmacological studies on medicinal plants from Indonesia related to cancer therapy. Established databases (GARUDA, SciFinder, and PubMed) were used to collate data from 1990 to 2022, resulting in the description of 134 medicinal plants and their phytochemical and pharmacological properties including examples containing potent agents against breast, leukaemia, cervix, lung, and colon cancer cell lines based on in vitro bioassays and in vivo evaluation. These findings provide valuable insights into the bioprospecting of Indonesian medicinal plant providing directions for future studies, including the development of new therapeutics, both as botanicals or by using conventional dosage.
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Affiliation(s)
- Dinar Mutia Rani
- Drug Utilisation and Discovery Research Group, Faculty of Pharmacy, Universitas Jember, Jember, 68121, Indonesia.
| | - Hendris Wongso
- Research Center for Radioisotope, Radiopharmaceutical, and Biodosimetry Technology, Research Organization for Nuclear Energy, National Research and Innovation Agency, Puspiptek, Banten, 15314, Indonesia; Research Collaboration Center for Theranostic Radiopharmaceuticals, National Research and Innovation Agency, Jl. Raya Bandung-Sumedang KM 21, Sumedang, 45363, Indonesia.
| | - Reza Yuridian Purwoko
- Research Center for Pre-Clinical and Clinical Medicine, Research Organization for Health, National Research and Innovation Agency, Indonesia.
| | - Naura Bathari Winarto
- Drug Utilisation and Discovery Research Group, Faculty of Pharmacy, Universitas Jember, Jember, 68121, Indonesia.
| | - Alvan Febrian Shalas
- Department of Pharmacy, Faculty of Medicine, Brawijaya University, Malang, 65145, Indonesia.
| | - Bawon Triatmoko
- Drug Utilisation and Discovery Research Group, Faculty of Pharmacy, Universitas Jember, Jember, 68121, Indonesia.
| | | | - Paul A Keller
- School of Chemistry and Molecular Biosciences, Molecular Horizons, University of Wollongong, Wollongong, New South Wales, 2522, Australia.
| | - Ari Satia Nugraha
- Drug Utilisation and Discovery Research Group, Faculty of Pharmacy, Universitas Jember, Jember, 68121, Indonesia; School of Chemistry and Molecular Biosciences, Molecular Horizons, University of Wollongong, Wollongong, New South Wales, 2522, Australia.
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7
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Ruangsuriya J, Sichaem J, Tantraworasin A, Saeteng S, Wongmaneerung P, Inta A, Davies NM, Inthanon K. Phytochemical Profiles and Anticancer Effects of Calophyllum inophyllum L. Extract Relating to Reactive Oxygen Species Modulation on Patient-Derived Cells from Breast and Lung Cancers. SCIENTIFICA 2023; 2023:6613670. [PMID: 37520043 PMCID: PMC10374377 DOI: 10.1155/2023/6613670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 06/16/2023] [Accepted: 07/04/2023] [Indexed: 08/01/2023]
Abstract
Reactive oxygen species (ROS) contribute to cancer growth and metastasis. Using antioxidants to modulate cellular ROS levels is a promisingstrategy for cancer prevention and treatment. Calophyllum inophyllum L., or tamanu, is a medicinal plant renowned for its anti-inflammatory, antioxidant, and anticancer properties in traditional medicine systems. However, the anticancer effects of C. inophyllum extract on cellular ROS remain unexplored. This study represents the first report on such effects and provides the potential mechanisms underlying the anticancer properties of C. inophyllum extract. The branches of C. inophyllum were extracted, and the extract was comprehensively analyzed for phytochemical constituents, antioxidant capacity, total phenolic content, and total flavonoid content. Subsequently, the extract's potential anticancer properties were evaluated using patient-derived cells from breast and lung cancer. The results revealed that the C. inophyllum extract possesses notable antioxidant activity and demonstrated no cytotoxicity within the initial 24 h of treatment. However, after 72 h, it exhibited significant antiproliferative effects. Moreover, the extract exhibited inhibitory properties against migration and invasion at concentrations below the IC50, which corresponded to the expression of related genes. Notably, these effects correlated with the reduction of intracellular ROS levels. Overall, our findings highlight the anticancer potential of C. inophyllum extract, emphasize its ability to modulate cellular ROS levels and target key molecular pathways involved in cancer progression. This study sheds light on the promising therapeutic implications of C. inophyllum extract as a novel agent for cancer treatment, which is safe for normal cells.
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Affiliation(s)
- Jetsada Ruangsuriya
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Functional Food Research Center for Well-Being, Science and Technology Research Institute, Chiang Mai University, Chiang Mai, Thailand
| | - Jirapast Sichaem
- Research Unit in Natural Products Chemistry and Bioactivities, Faculty of Science and Technology, Thammasat University Lampang Campus, Lampang, Thailand
| | - Apichat Tantraworasin
- Clinical Surgical Research Center, Chiang Mai University, Chiang Mai, Thailand
- Department of Surgery, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Somcharoen Saeteng
- Clinical Surgical Research Center, Chiang Mai University, Chiang Mai, Thailand
- Department of Surgery, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Phanchaporn Wongmaneerung
- Clinical Surgical Research Center, Chiang Mai University, Chiang Mai, Thailand
- Department of Surgery, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Angkhana Inta
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - Neal M. Davies
- Faculty of Pharmacy & Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Kewalin Inthanon
- Research Unit in Natural Products Chemistry and Bioactivities, Faculty of Science and Technology, Thammasat University Lampang Campus, Lampang, Thailand
- Department of Biotechnology, Faculty of Science and Technology, Thammasat University Lampang Campus, Lampang, Thailand
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8
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Binti Seruji NMU, Rosli MM, Jong VYM, Karunakaran T, Lizazman MA, Marlina A, Binti Halid YY. 5,8-Dihy-droxy-2,2-dimethyl-12-(3-methyl-but-2-en-yl)pyrano[3,2- b]xanthen-6-one (brasixanthone B). IUCRDATA 2023; 8:x221198. [PMID: 36794049 PMCID: PMC9912322 DOI: 10.1107/s2414314622011981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 12/19/2022] [Indexed: 01/08/2023] Open
Abstract
The title compound (trivial name brasixanthone B), C23H22O5, isolated from Calophyllum gracilentum, is characterized by a xanthone skeleton of three fused six-membered rings plus an additional fused pyrano ring and one 3-methyl-but-2-enyl side chain. The core xanthone moiety is almost planar, with a maximum deviation 0.057 (4) Å from the mean plane. In the mol-ecule, an intra-molecular O-H⋯O hydrogen bond forms an S(6) ring motif. The crystal structure features inter-molecular O-H⋯O and C-H⋯O inter-actions.
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Affiliation(s)
| | - Mohd Mustaqim Rosli
- X-ray Crystallography Unit, School of Physics, University Sains Malaysia, 11800 USM, Penang, ., Malaysia
| | - Vivien Yi Mian Jong
- Centre of Applied Science Studies, Universiti Teknologi MARA Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia,Correspondence e-mail:
| | - Thiruventhan Karunakaran
- Centre of Drug Research, Universiti Sains Malaysia, 11800 USM, Pulau Pinang, Malaysia,School of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
| | - Mas Atikah Lizazman
- Centre of Applied Science Studies, Universiti Teknologi MARA Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia
| | - Anita Marlina
- Research Centre for Chemistry, National Research and Innovation Agency, Indonesia,Department of Chemistry, Faculty of Science, University of Malaya, 50603, Malaysia
| | - Yanti Yana Binti Halid
- Centre of Applied Science Studies, Universiti Teknologi MARA Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia
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9
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Lizazman MA, Karunakaran T, Jong VIYM. Trapezifolixanthone as a common constituent in the genus Calophyllum: An insight Review. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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10
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Lizazman MA, Jong VYM, Chua P, Lim WK, Karunakaran T. Phytochemicals from Calophyllum canum Hook f. ex T. Anderson and their neuroprotective effects. Nat Prod Res 2022; 37:2043-2048. [PMID: 35997666 DOI: 10.1080/14786419.2022.2116021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Previous phytochemical investigations reported that Calophyllum spp have biosynthesized a wide range of bioactive phenolics such as xanthones and coumarins. The phytochemical study conducted on the stem bark of C. canum has led to the isolation of eight trioxygenated xanthones namely: 5-methoxytrapezifolixanthone (1), 5-methoxyananixanthone (2), caloxanthone C (3), 1,5-dihydroxy-3-methoxy-4-isoprenylxanthone (4), 6-deoxyisojacareubin (5), euxanthone (6), trapezifolixanthone (7), ananixanthone (8), together with three common triterpenoids, β-sitosterol (9), friedelin (10), and stigmasterol (11). Furthermore, xanthones 1 and 2 were isolated for the first time as naturally occurring xanthones from the plant extract. The structures of these compounds were identified and elucidated using advanced spectroscopic techniques such as 1 D & 2 D NMR, MS, and FTIR. The neuroprotective property of selected compounds was tested through in vitro stroke model. Among all tested compounds, 1 µm of compounds 8, 9, and 10 showed significant neuroprotective activity via reduction of apoptosis by ∼ 50%.
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Affiliation(s)
- Mas Atikah Lizazman
- Faculty of Applied Science Studies, Universiti Teknologi MARA, Kota Samarahan, Sarawak, Malaysia
| | - Vivien Yi Mian Jong
- Faculty of Applied Science Studies, Universiti Teknologi MARA, Kota Samarahan, Sarawak, Malaysia
| | - PinFen Chua
- Department of Paraclinical Sciences, Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, Kota Samarahan, Sarawak, Malaysia
| | - William K Lim
- Department of Paraclinical Sciences, Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, Kota Samarahan, Sarawak, Malaysia
| | - Thiruventhan Karunakaran
- Centre for Drug Research, Universiti Sains Malaysia, Pulau Pinang, Malaysia.,School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
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11
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Hambal M, Frengki F, Sari WE, Vanda H. In silico prediction of flavan-3-ol as a bioactive compound of Calophyllum macrophyllum as a potential drug against angiostrongylus eosinophilic meningitis. Vet World 2022; 15:1305-1313. [PMID: 35765470 PMCID: PMC9210856 DOI: 10.14202/vetworld.2022.1305-1313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 04/13/2022] [Indexed: 11/30/2022] Open
Abstract
Background and Aim: Angiostrongylus eosinophilic meningitis is caused by larvae of the rat lungworm Angiostrongylus cantonensis. It manifests as meningitis, radiculitis, cranial nerve abnormalities, and encephalitis, which can be fatal. A flavan-3-ol compound isolated from the bark of Calophyllum macrophyllum Scheff. has several medicinal properties, including antioxidant, anti-inflammatory, antidiabetic, and antibacterial activities. This compound is stronger than other types of flavan-3-ols such as catechin. This study aimed to identify the hydroxylation pattern of this flavan-3-ol compound and evaluated its potential as an anti-meningitis drug, using an in silico approach through pharmacophore and molecular docking methods. Materials and Methods: Pharmacokinetic and toxicological data were analyzed and supported by the server http://www.swissadme.ch/index.php and https://tox-new.charite.de/protox_II/index.php. The hydroxylation pattern of the flavan-3-ol compound was identified using shear reagents (MeOH, NaOH, NaOAc, HCl, and AlCl3). The CviR receptor (pdb id.3QP5) was used in the in silico approach, and seven ligands were downloaded from PubChem in “SMILES” format. Results: The spectroscopic analysis conducted using the shear reagents confirmed that the flavan-3-ol compound has a “p-diOH” pattern on the cinnamoyl ring. Pharmacophore analysis revealed this compound “hit” with pharmacophore features, and molecular docking analysis showed that this compound has a strong affinity with both receptors. Conclusion: The flavan-3-ol compound is a potential drug candidate for meningitis caused by pathogenic bacteria and the worm A. cantonensis. This result was supported by the pharmacokinetic profile, which had a very low toxicity level to the host. However, further investigation is required to confirm the data in vitro and in vivo.
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Affiliation(s)
- Muhammad Hambal
- Department of Parasitology, Faculty of Veterinary Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Frengki Frengki
- Department of Pharmacology, Faculty of Veterinary Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Wahyu Eka Sari
- Department of Biochemistry, Faculty of Veterinary Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Henni Vanda
- Department of Pharmacology, Faculty of Veterinary Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
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12
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Caloforines A-G, coumarins from the bark of Calophyllum scriblitifolium. J Nat Med 2022; 76:645-653. [PMID: 35316467 PMCID: PMC8938217 DOI: 10.1007/s11418-022-01613-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 02/24/2022] [Indexed: 12/03/2022]
Abstract
Bioactivity-guided separation of the methanol extract of Calophyllum scriblitifolium bark led to the isolation of five new pyranocoumarins, caloforines A–E (1–5) and two new coumarins, caloforines F and G (6 and 7). Their structures were elucidated by 1D and 2D NMR spectroscopy, and their absolute configurations were investigated by a combination of CD spectroscopy and DFT calculation. Caloforines A–F (1–6) showed moderate antimalarial activity against Plasmodium falciparum 3D7 strain.
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Silva-Castro LF, Derbré S, Le Ray AM, Richomme P, García-Sosa K, Peña-Rodriguez LM. Using 13 C-NMR dereplication to aid in the identification of xanthones present in the stem bark extract of Calophyllum brasiliense. PHYTOCHEMICAL ANALYSIS : PCA 2021; 32:1102-1109. [PMID: 33938065 DOI: 10.1002/pca.3051] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 06/12/2023]
Abstract
INTRODUCTION Xanthones are metabolites with a variety of biological properties. The Clusiaceae family, which until recently included the genus Calophyllum, is recognised for its production of monohydroxylated and polyhydroxylated xanthones. Presently, C. brasiliense is the only Calophyllum spp. known to occur in the Yucatan peninsula. OBJECTIVE To use a combination of traditional phytochemical methods and carbon-13 nuclear magnetic resonance (13 C-NMR) dereplication analysis to identify xanthones in the stem bark of C. brasiliense. MATERIAL AND METHODS Initial fractionation and purification of the stem bark extract of C. brasiliense produced macluraxanthone (1). Additional xanthones, together with chromanones and terpenoids, were identified using 13 C-NMR dereplication analysis in different semipurified fractions obtained from the low and medium polarity fractions of the stem bark extract of C. brasiliense. RESULTS Initial identification of macluraxanthone (1) was confirmed by 13 C-NMR dereplication analysis; additionally, 13 C-NMR dereplication analysis allowed the identification of a number of monohydroxylated and polyhydroxylated xanthones, together with chromanones and terpenoids. CONCLUSION This study confirms C. brasiliense as a rich source of xanthones and the 13 C-NMR dereplication analysis as a suitable method to quickly identify the presence of different families of secondary metabolites in semipurified fractions.
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Affiliation(s)
| | - Séverine Derbré
- Department of Pharmacy, Faculty of Health Sciences, University of Angers, SONAS, SFR QUASAV, Angers, France
| | - Anne Marie Le Ray
- Department of Pharmacy, Faculty of Health Sciences, University of Angers, SONAS, SFR QUASAV, Angers, France
| | - Pascal Richomme
- Department of Pharmacy, Faculty of Health Sciences, University of Angers, SONAS, SFR QUASAV, Angers, France
| | - Karlina García-Sosa
- Unidad de Biotecnología, Centro de Investigación Científica de Yucatán, Mérida, Yucatán, Mexico
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Fuel M, Mesas C, Martínez R, Ortiz R, Quiñonero F, Prados J, Porres JM, Melguizo C. Antioxidant and antiproliferative potential of ethanolic extracts from Moringa oleifera, Tropaeolum tuberosum and Annona cherimola in colorrectal cancer cells. Biomed Pharmacother 2021; 143:112248. [PMID: 34649364 DOI: 10.1016/j.biopha.2021.112248] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/21/2021] [Accepted: 09/22/2021] [Indexed: 12/27/2022] Open
Abstract
Moringa oleifera, Tropaeolum tuberosum and Annona cherimola are medicinal plants traditionally used in Ecuador. However, their therapeutic properties are not completely known. We analyzed chromatographically ethanolic extracts of the seeds of M. oleifera, A. cherimola and the tubers of T. tuberosum; all presented a high content of polyphenols. The extract of A. cherimola showed the highest antioxidant activity and M. oleifera had the highest capacity to enhance the activity of detoxifying enzymes such as glutathione S-transferase and quinone oxidoreductase. The antitumor effect of these extracts was evaluated in vitro with colorectal cancer (CRC) cell lines T84, HCT-15, SW480 and HT-29, as well as with cancer stem cells (CSCs). A. cherimola and M. oleifera extracts presented the lowest IC50 in T-84 and HCT-15 (resistant) cells, respectively, as well as the highest level of inhibition of proliferation in multicellular tumor spheroids of HCT-15 cells. The inhibitory effect on CSCs is noteworthy because in vivo, these cells are often responsible for cancer recurrences and resistance to chemotherapy. Moreover, all extracts showed a synergistic activity with 5-Fu. The antiproliferative mechanism of the extracts was related to overexpression of caspases 9, 8 and 3 and increased production of reactive oxygen species. In addition, we observed cell death by autophagy in M. oleifera and T. tuberosum extracts. Therefore, these ethanolic extracts are excellent candidates for future molecular analysis of the presence of bioactive compounds and in vivo studies which could improve colon cancer therapy.
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Affiliation(s)
- Marco Fuel
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100 Granada, Spain
| | - Cristina Mesas
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100 Granada, Spain; Department of Anatomy and Embryology, Faculty of Medicine, University of Granada, 18071 Granada, Spain; Instituto Biosanitario de Granada (ibs.GRANADA), Granada, 18014 Granada, Spain
| | - Rosario Martínez
- Cellbitec S.L., N.I.F. B04847216, Scientific Headquarters of the Almería Technology Park, Universidad de Almería, 04128 La Cañada, Almería, Spain; Department of Physiology, Institute of Nutrition and Food Technology (INyTA), Biomedical Research Center (CIBM), Universidad de Granada, 18100 Granada, Spain
| | - Raul Ortiz
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100 Granada, Spain; Department of Anatomy and Embryology, Faculty of Medicine, University of Granada, 18071 Granada, Spain; Instituto Biosanitario de Granada (ibs.GRANADA), Granada, 18014 Granada, Spain
| | - Francisco Quiñonero
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100 Granada, Spain; Department of Anatomy and Embryology, Faculty of Medicine, University of Granada, 18071 Granada, Spain; Instituto Biosanitario de Granada (ibs.GRANADA), Granada, 18014 Granada, Spain
| | - José Prados
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100 Granada, Spain; Department of Anatomy and Embryology, Faculty of Medicine, University of Granada, 18071 Granada, Spain; Instituto Biosanitario de Granada (ibs.GRANADA), Granada, 18014 Granada, Spain.
| | - Jesús M Porres
- Cellbitec S.L., N.I.F. B04847216, Scientific Headquarters of the Almería Technology Park, Universidad de Almería, 04128 La Cañada, Almería, Spain; Department of Physiology, Institute of Nutrition and Food Technology (INyTA), Biomedical Research Center (CIBM), Universidad de Granada, 18100 Granada, Spain
| | - Consolación Melguizo
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100 Granada, Spain; Department of Anatomy and Embryology, Faculty of Medicine, University of Granada, 18071 Granada, Spain; Instituto Biosanitario de Granada (ibs.GRANADA), Granada, 18014 Granada, Spain
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Zailan AAD, Karunakaran T, Abu Bakar MH, Mian VJY. The Malaysian genus Calophyllum (Calophyllaceae): a review on its phytochemistry and pharmacological activities. Nat Prod Res 2021; 36:4575-4585. [PMID: 34636709 DOI: 10.1080/14786419.2021.1982936] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Genus Calophyllum from the family of Calophyllaceae is an evergreen broad-leaved tree that is endemic to Southeast Asia, especially Malaysia. They have been reported for various ethnomedicinal uses in traditional medicine. Previous studies of Malaysian Calophyllum species revealed them to be a rich source of bioactive phytoconstituents such as xanthones, coumarins, terpenoids, and chromanone acids. To date, the extracts and compounds from Malaysian Calophyllum species have shown a broad spectrum of pharmacological activities. For example, calanolide A, a coumarin isolated from Malaysian C. lanigerum, has now reached clinical development to become an anti-HIV drug. This article presents an overview of the significant phytochemical and pharmacological activities of Malaysian Calophyllum species to aid researchers in further discovery of potential benefits of various species of this genus.
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Affiliation(s)
| | - Thiruventhan Karunakaran
- Centre for Drug Research, Universiti Sains Malaysia, Pulau Pinang, Malaysia.,School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
| | - Mohamad Hafizi Abu Bakar
- Bioprocess Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Pulau Pinang, Malaysia
| | - Vivien Jong Yi Mian
- Centre of Applied Science Studies, Universiti Teknologi Mara, Kuching, Malaysia
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Haerani SN, Raksat A, Pudhom K. Two new xanthones from the root of Thai Calophyllum inophyllum and their toxicity against colon and liver cancer cells. J Nat Med 2021; 75:670-674. [PMID: 33687661 DOI: 10.1007/s11418-021-01492-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 02/05/2021] [Indexed: 11/25/2022]
Abstract
Two new xanthones, 1,3,6,7-tetrahydroxy-5-methoxy-4-(1',1'-dimethyl-2'-propenyl)-8-(3″,3″-dimethyl-2″-propenyl)-xanthone (1) and (2'S)-7-hydroxy caloxanthone B (2), were isolated from the root of Thai Calophyllum inophyllum Linn., together with twelve known xanthones (3-14). The structures of new compounds were elucidated based on spectroscopic data. In addition, compounds 4, 6 and 8 were isolated from the genus Calophyllum for the first time. The isolated compounds were evaluated for their cytotoxic activity against colon HCT-116 and liver Hep-G2 cancer cells. Among tested compounds, xanthones 5 and 14 possessing a prenyl moiety and a pyranyl ring fused at C-2 and C-3 displayed the most potent and selective cytotoxicity against HCT-116 colon cancers with the same IC50 values of 3.04 µM.
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Affiliation(s)
- Syahadatain Nor Haerani
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Achara Raksat
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Khanitha Pudhom
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
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Cassien M, Mercier A, Thétiot-Laurent S, Culcasi M, Ricquebourg E, Asteian A, Herbette G, Bianchini JP, Raharivelomanana P, Pietri S. Improving the Antioxidant Properties of Calophyllum inophyllum Seed Oil from French Polynesia: Development and Biological Applications of Resinous Ethanol-Soluble Extracts. Antioxidants (Basel) 2021; 10:antiox10020199. [PMID: 33573143 PMCID: PMC7910904 DOI: 10.3390/antiox10020199] [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: 12/30/2020] [Revised: 01/19/2021] [Accepted: 01/23/2021] [Indexed: 01/07/2023] Open
Abstract
Tamanu oil from Calophyllum inophyllum L. has long been used in traditional medicine. Ethanol extraction was found the best strategy for recovering bioactive compounds from the resin part of Tamanu oil, yielding two neutral and acidic resins fractions with high phenolics, flavonoids and pyranocoumarins concentrations. A further cascade of LPLC/HPLC separations of neutral and acidic resin fractions allowed identifying fifteen metabolites, and among them, calanolide D and 12-oxocalanolide A (both in neutral fraction) were first identified from a natural source. All these extracts, subfractions and isolated metabolites demonstrated increased free radical scavenging, antioxidant, anti-inflammatory, antimicrobial and antimycobacterial activity compared to Tamanu oil and its de-resinated lipid phase. Overall, these results could promote resinous ethanol-soluble Tamanu oil extracts as a useful multifaceted and renewable medicinal resource.
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Affiliation(s)
- Mathieu Cassien
- Aix Marseille Univ, CNRS, ICR , UMR 7273, SMBSO, 13397 Marseille , France; (M.C.); (A.M.); (S.T.-L.); (M.C.); (E.R.); (A.A.)
- Univ Polynésie Française, IFREMER, ILM, IRD, EIO UMR 241, 98702 Faa’a Tahiti, French Polynesia; (J.-P.B.); (P.R.)
- Yelen Analytics, 13820 Ensuès–la-Redonne, France
| | - Anne Mercier
- Aix Marseille Univ, CNRS, ICR , UMR 7273, SMBSO, 13397 Marseille , France; (M.C.); (A.M.); (S.T.-L.); (M.C.); (E.R.); (A.A.)
| | - Sophie Thétiot-Laurent
- Aix Marseille Univ, CNRS, ICR , UMR 7273, SMBSO, 13397 Marseille , France; (M.C.); (A.M.); (S.T.-L.); (M.C.); (E.R.); (A.A.)
| | - Marcel Culcasi
- Aix Marseille Univ, CNRS, ICR , UMR 7273, SMBSO, 13397 Marseille , France; (M.C.); (A.M.); (S.T.-L.); (M.C.); (E.R.); (A.A.)
| | - Emilie Ricquebourg
- Aix Marseille Univ, CNRS, ICR , UMR 7273, SMBSO, 13397 Marseille , France; (M.C.); (A.M.); (S.T.-L.); (M.C.); (E.R.); (A.A.)
| | - Alice Asteian
- Aix Marseille Univ, CNRS, ICR , UMR 7273, SMBSO, 13397 Marseille , France; (M.C.); (A.M.); (S.T.-L.); (M.C.); (E.R.); (A.A.)
| | - Gaëtan Herbette
- Aix Marseille Univ, CNRS, Spectropole, FSCM, 13397 Marseille, France;
| | - Jean-Pierre Bianchini
- Univ Polynésie Française, IFREMER, ILM, IRD, EIO UMR 241, 98702 Faa’a Tahiti, French Polynesia; (J.-P.B.); (P.R.)
| | - Phila Raharivelomanana
- Univ Polynésie Française, IFREMER, ILM, IRD, EIO UMR 241, 98702 Faa’a Tahiti, French Polynesia; (J.-P.B.); (P.R.)
| | - Sylvia Pietri
- Aix Marseille Univ, CNRS, ICR , UMR 7273, SMBSO, 13397 Marseille , France; (M.C.); (A.M.); (S.T.-L.); (M.C.); (E.R.); (A.A.)
- Correspondence: ; Tel.: +33-(0)4-91-28-85-79; Fax: +33-(0)4-91-28-87-58
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