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Mauduit M, Derrien M, Grenier M, Greff S, Molinari S, Chevaldonné P, Simmler C, Pérez T. In Situ Capture and Real-Time Enrichment of Marine Chemical Diversity. ACS CENTRAL SCIENCE 2023; 9:2084-2095. [PMID: 38033807 PMCID: PMC10683479 DOI: 10.1021/acscentsci.3c00661] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Indexed: 12/02/2023]
Abstract
Analyzing the chemical composition of seawater to understand its influence on ecosystem functions is a long-lasting challenge due to the inherent complexity and dynamic nature of marine environments. Describing the intricate chemistry of seawater requires optimal in situ sampling. Here is presented a novel underwater hand-held solid-phase extraction device, I-SMEL (In Situ Marine moleculELogger), which aims to concentrate diluted molecules from large volumes of seawater in a delimited zone targeting keystone benthic species. Marine benthic holobionts, such as sponges, can impact the chemical composition of their surroundings possibly through the production and release of their specialized metabolites, hence termed exometabolites (EMs). I-SMEL was deployed in a sponge-dominated Mediterranean ecosystem at a 15 m depth. Untargeted MS-based metabolomics was performed on enriched EM extracts and showed (1) the chemical diversity of enriched seawater metabolites and (2) reproducible recovery and enrichment of specialized sponge EMs such as aerothionin, demethylfurospongin-4, and longamide B methyl ester. These EMs constitute the chemical identity of each targeted species: Aplysina cavernicola, Spongia officinalis, and Agelas oroides, respectively. I-SMEL concentrated sponge EMs from 10 L of water in a 10 min sampling time. The present proof of concept with I-SMEL opens new research perspectives in marine chemical ecology and sets the stage for further sustainable efforts in natural product chemistry.
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Affiliation(s)
| | | | | | - Stéphane Greff
- IMBE, UMR CNRS
7263, IRD
237, Aix Marseille Université, Avignon
Université, Station Marine d’Endoume, Chemin de la batterie
des lions, 13007 Marseille, France
| | - Sacha Molinari
- IMBE, UMR CNRS
7263, IRD
237, Aix Marseille Université, Avignon
Université, Station Marine d’Endoume, Chemin de la batterie
des lions, 13007 Marseille, France
| | - Pierre Chevaldonné
- IMBE, UMR CNRS
7263, IRD
237, Aix Marseille Université, Avignon
Université, Station Marine d’Endoume, Chemin de la batterie
des lions, 13007 Marseille, France
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2
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Elsaeed E, Enany S, Solyman S, Shohayeb M, Hanora A. Mining Chromodoris quadricolor symbionts for biosynthesis of novel secondary metabolites. Mar Genomics 2023; 68:101017. [PMID: 36738602 DOI: 10.1016/j.margen.2023.101017] [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: 12/08/2022] [Revised: 01/13/2023] [Accepted: 01/27/2023] [Indexed: 02/05/2023]
Abstract
Many secondary metabolites with medicinal potential are produced by various animals, plants, and microorganisms. Because marine creatures have a greater proportion of unexplored biodiversity than their terrestrial counterparts, they have emerged as a key research focus for the discovery of natural product drugs. Several studies have revealed that bacteria isolated from Chromodoris quadricolor (C. quadricolor) have antibiotic and anticancer properties. In this study, meta-transcriptomics and meta-proteimic analysis were combined to identify biosynthetic gene clusters (BGCs) in the symbiotic bacteria of the C. quadricolor mantle. Symbiotic bacteria were separated from the host by differential pelleting, and then total RNA was extracted, purified, and sequenced. Meta-transcriptomic analysis was done using different natural product mining tools to identify biosynthetic transcript clusters (BTCs). Furthermore, proteins were extracted from the same cells and then analyzed by LC-MS. A meta-proteomic analysis was performed to find proteins that are translated from BCGs. Finally, only 227 proteins have been translated from 40,742 BTCs. The majority of these clusters were polyketide synthases (PKSs) with antibacterial activity. Ten novel potential metabolic clusters with the ability to produce antibiotics have been identified in Novosphingobium and Microbacteriaceae, including members of the ribosomal synthesized and post-translationally modified peptides (RiPPs), polyketide synthases, and others. We realized that using a meta-proteomic approach to identify BGCs that have already been translated makes it easier to concentrate on BGCs that are utilized by bacteria. The symbiotic bacteria associated with C. quadricolor could be a source of novel antibiotics.
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Affiliation(s)
- Esraa Elsaeed
- Department of Microbiology and Immunology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt
| | - Shymaa Enany
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt; Biomedical Research Department, Armed Force College of Medicine, Cairo, Egypt
| | - Samar Solyman
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
| | - Mohamed Shohayeb
- Department of Microbiology and Immunology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt
| | - Amro Hanora
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt.
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Devkar HU, Thakur NL, Kaur P. Marine-derived antimicrobial molecules from the sponges and their associated bacteria. Can J Microbiol 2023; 69:1-16. [PMID: 36288610 DOI: 10.1139/cjm-2022-0147] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Antimicrobial resistance (AMR) is one of the leading global health issues that demand urgent attention. Very soon the world will have to bear the consequences of increased drug resistance if new anti-infectives are not pumped into the clinical pipeline in a short period. This presses on the need for novel chemical entities, and the marine environment is one such hotspot to look for. The Ocean harbours a variety of organisms, of which from this aspect, "Sponges (Phylum Porifera)" are of particular interest. To tackle the stresses faced due to their sessile and filter-feeding lifestyle, sponges produce various bioactive compounds, which can be tapped for human use. The sponges harbour several microorganisms of different types and in most cases; the microbial symbionts are the actual producers of the bioactive compounds. This review describes the alarming need for the development of new antimicrobials and how marine sponges can contribute to this. Selected antimicrobial compounds from the marine sponges and their associated bacteria have been described. Additionally, measures to tackle the supply problem have been covered, which is the primary obstacle in marine natural product drug discovery.
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Affiliation(s)
- Heena U Devkar
- CSIR- National Institute of Oceanography, Dona Paula 403004, Goa, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad- 201002, India
| | - Narsinh L Thakur
- CSIR- National Institute of Oceanography, Dona Paula 403004, Goa, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad- 201002, India
| | - Parvinder Kaur
- Foundation for Neglected Disease Research, Bangalore 561203, Karnataka, India
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Mauduit M, Greff S, Herbette G, Naubron JV, Chentouf S, Huy Ngo T, Nam JW, Molinari S, Mabrouki F, Garayev E, Baghdikian B, Pérez T, Simmler C. Diving into the Molecular Diversity of Aplysina cavernicola's Exometabolites: Contribution of Bromo-Spiroisoxazoline Alkaloids. ACS OMEGA 2022; 7:43068-43083. [PMID: 36467926 PMCID: PMC9713894 DOI: 10.1021/acsomega.2c05415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/26/2022] [Indexed: 06/17/2023]
Abstract
Sponges are prolific producers of specialized metabolites with unique structural scaffolds. Their chemical diversity has always inspired natural product chemists working in drug discovery. As part of their metabolic filter-feeding activities, sponges are known to release molecules, possibly including their specialized metabolites. These released "Exo-Metabolites" (EMs) may be considered as new chemical reservoirs that could be collected from the water column while preserving marine biodiversity. The present work aims to determine the proportion and diversity of specialized EMs released by the sponge Aplysina cavernicola (Vacelet 1959). This Mediterranean sponge produces bromo-spiroisoxazoline alkaloids that are widely distributed in the Aplysinidae family. Aquarium experiments were designed to facilitate a continuous concentration of dissolved and diluted metabolites from the seawater around the sponges. Mass Spectrometry (MS)-based metabolomics combined with a dereplication pipeline were performed to investigate the proportion and identity of brominated alkaloids released as EMs. Chemometric analysis revealed that brominated features represented 12% of the total sponge's EM features. Consequently, a total of 13 bromotyrosine alkaloids were reproducibly detected as EMs. The most abundant ones were aerothionin, purealidin L, aerophobin 1, and a new structural congener, herein named aplysine 1. Their structural identity was confirmed by NMR analyses following their isolation. MS-based quantification indicated that these major brominated EMs represented up to 1.0 ± 0.3% w/w of the concentrated seawater extract. This analytical workflow and collected results will serve as a stepping stone to characterize the composition of A. cavernicola's EMs and those released by other sponges through in situ experiments, leading to further evaluate the biological properties of such EMs.
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Affiliation(s)
- Morgane Mauduit
- IMBE,
UMR CNRS 7263, IRD 237, Aix Marseille Université, Avignon Université,
Endoume Marine Station, Chemin de la batterie des lions, 13007 Marseille, France
| | - Stéphane Greff
- IMBE,
UMR CNRS 7263, IRD 237, Aix Marseille Université, Avignon Université,
Endoume Marine Station, Chemin de la batterie des lions, 13007 Marseille, France
| | - Gaëtan Herbette
- Aix
Marseille Université, CNRS, Centrale Marseille, FSCM-Spectropole,Service 511, Campus Saint-Jérome, 13397 Marseille, France
| | - Jean-Valère Naubron
- Aix
Marseille Université, CNRS, Centrale Marseille, FSCM-Spectropole,Service 511, Campus Saint-Jérome, 13397 Marseille, France
| | - Sara Chentouf
- Aix
Marseille Université, CNRS, Centrale Marseille, FSCM-Spectropole,Service 511, Campus Saint-Jérome, 13397 Marseille, France
| | - Trung Huy Ngo
- College
of Pharmacy, Yeungnam University, Gyeongsan-si, Gyeongsangbuk-do 38541, South Korea
| | - Joo-Won Nam
- College
of Pharmacy, Yeungnam University, Gyeongsan-si, Gyeongsangbuk-do 38541, South Korea
| | - Sacha Molinari
- IMBE,
UMR CNRS 7263, IRD 237, Aix Marseille Université, Avignon Université,
Endoume Marine Station, Chemin de la batterie des lions, 13007 Marseille, France
| | - Fathi Mabrouki
- IMBE,
UMR CNRS 7263, IRD 237, Aix Marseille Université, Avignon Université,
Faculté de Pharmacie, 27 Boulevard Jean Moulin, 13385 Marseille, Cedex 5, France
| | - Elnur Garayev
- IMBE,
UMR CNRS 7263, IRD 237, Aix Marseille Université, Avignon Université,
Faculté de Pharmacie, 27 Boulevard Jean Moulin, 13385 Marseille, Cedex 5, France
| | - Béatrice Baghdikian
- IMBE,
UMR CNRS 7263, IRD 237, Aix Marseille Université, Avignon Université,
Faculté de Pharmacie, 27 Boulevard Jean Moulin, 13385 Marseille, Cedex 5, France
| | - Thierry Pérez
- IMBE,
UMR CNRS 7263, IRD 237, Aix Marseille Université, Avignon Université,
Endoume Marine Station, Chemin de la batterie des lions, 13007 Marseille, France
| | - Charlotte Simmler
- IMBE,
UMR CNRS 7263, IRD 237, Aix Marseille Université, Avignon Université,
Endoume Marine Station, Chemin de la batterie des lions, 13007 Marseille, France
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Nakazaki A, Mouri S, Nakane Y, Ishikawa Y, Yotsu-Yamashita M, Nishikawa T. The Synthesis of Simplified Analogues of Crambescin B Carboxylic Acid and Their Inhibitory Activity of Voltage-Gated Sodium Channels: New Aspects of Structure–Activity Relationships. HETEROCYCLES 2022. [DOI: 10.3987/com-21-s(r)7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Mai PY, Le Goff G, Poupon E, Lopes P, Moppert X, Costa B, Beniddir MA, Ouazzani J. Solid-Phase Extraction Embedded Dialysis (SPEED), an Innovative Procedure for the Investigation of Microbial Specialized Metabolites. Mar Drugs 2021; 19:md19070371. [PMID: 34206861 PMCID: PMC8304039 DOI: 10.3390/md19070371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 06/22/2021] [Accepted: 06/23/2021] [Indexed: 11/16/2022] Open
Abstract
Solid-phase extraction embedded dialysis (SPEED technology) is an innovative procedure developed to physically separate in-situ, during the cultivation, the mycelium of filament forming microorganisms, such as actinomycetes and fungi, and the XAD-16 resin used to trap the secreted specialized metabolites. SPEED consists of an external nylon cloth and an internal dialysis tube containing the XAD resin. The dialysis barrier selects the molecular weight of the trapped compounds, and prevents the aggregation of biomass or macromolecules on the XAD beads. The external nylon promotes the formation of a microbial biofilm, making SPEED a biofilm supported cultivation process. SPEED technology was applied to the marine Streptomyces albidoflavus 19-S21, isolated from a core of a submerged Kopara sampled at 20 m from the border of a saltwater pond. The chemical space of this strain was investigated effectively using a dereplication strategy based on molecular networking and in-depth chemical analysis. The results highlight the impact of culture support on the molecular profile of Streptomyces albidoflavus 19-S21 secondary metabolites.
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Affiliation(s)
- Phuong-Y. Mai
- CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 1, Avenue de la Terrasse, 91190 Gif-sur-Yvette, France; (P.-Y.M.); (G.L.G.); (P.L.)
- Équipe “Chimie des Substances Naturelles” BioCIS, CNRS, Université Paris-Saclay, 5 Rue J.-B. Clément, 92290 Châtenay-Malabry, France; (E.P.); (M.A.B.)
| | - Géraldine Le Goff
- CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 1, Avenue de la Terrasse, 91190 Gif-sur-Yvette, France; (P.-Y.M.); (G.L.G.); (P.L.)
| | - Erwan Poupon
- Équipe “Chimie des Substances Naturelles” BioCIS, CNRS, Université Paris-Saclay, 5 Rue J.-B. Clément, 92290 Châtenay-Malabry, France; (E.P.); (M.A.B.)
| | - Philippe Lopes
- CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 1, Avenue de la Terrasse, 91190 Gif-sur-Yvette, France; (P.-Y.M.); (G.L.G.); (P.L.)
| | - Xavier Moppert
- PACIFIC BIOTECH SAS, BP 140 289, 98 701 Arue, Tahiti, French Polynesia; (X.M.); (B.C.)
| | - Bernard Costa
- PACIFIC BIOTECH SAS, BP 140 289, 98 701 Arue, Tahiti, French Polynesia; (X.M.); (B.C.)
| | - Mehdi A. Beniddir
- Équipe “Chimie des Substances Naturelles” BioCIS, CNRS, Université Paris-Saclay, 5 Rue J.-B. Clément, 92290 Châtenay-Malabry, France; (E.P.); (M.A.B.)
| | - Jamal Ouazzani
- CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 1, Avenue de la Terrasse, 91190 Gif-sur-Yvette, France; (P.-Y.M.); (G.L.G.); (P.L.)
- Correspondence: ; Tel.: +33-6-82-81-65-90
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7
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Atanasov AG, Zotchev SB, Dirsch VM, Supuran CT. Natural products in drug discovery: advances and opportunities. Nat Rev Drug Discov 2021; 20:200-216. [PMID: 33510482 PMCID: PMC7841765 DOI: 10.1038/s41573-020-00114-z] [Citation(s) in RCA: 1683] [Impact Index Per Article: 561.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/12/2020] [Indexed: 02/07/2023]
Abstract
Natural products and their structural analogues have historically made a major contribution to pharmacotherapy, especially for cancer and infectious diseases. Nevertheless, natural products also present challenges for drug discovery, such as technical barriers to screening, isolation, characterization and optimization, which contributed to a decline in their pursuit by the pharmaceutical industry from the 1990s onwards. In recent years, several technological and scientific developments - including improved analytical tools, genome mining and engineering strategies, and microbial culturing advances - are addressing such challenges and opening up new opportunities. Consequently, interest in natural products as drug leads is being revitalized, particularly for tackling antimicrobial resistance. Here, we summarize recent technological developments that are enabling natural product-based drug discovery, highlight selected applications and discuss key opportunities.
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Affiliation(s)
- Atanas G Atanasov
- Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, Jastrzebiec, Poland.
- Department of Pharmacognosy, University of Vienna, Vienna, Austria.
- Institute of Neurobiology, Bulgarian Academy of Sciences, Sofia, Bulgaria.
- Ludwig Boltzmann Institute for Digital Health and Patient Safety, Medical University of Vienna, Vienna, Austria.
| | - Sergey B Zotchev
- Department of Pharmacognosy, University of Vienna, Vienna, Austria
| | - Verena M Dirsch
- Department of Pharmacognosy, University of Vienna, Vienna, Austria
| | - Claudiu T Supuran
- Università degli Studi di Firenze, NEUROFARBA Dept, Sezione di Scienze Farmaceutiche, Florence, Italy.
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Abstract
This review covers the literature published between January and December in 2018 for marine natural products (MNPs), with 717 citations (706 for the period January to December 2018) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1554 in 469 papers for 2018), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that led to the revision of structures or stereochemistries, have been included. The proportion of MNPs assigned absolute configuration over the last decade is also surveyed.
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Affiliation(s)
- Anthony R Carroll
- School of Environment and Science, Griffith University, Gold Coast, Australia. and Griffith Institute for Drug Discovery, Griffith University, Brisbane, Australia
| | - Brent R Copp
- School of Chemical Sciences, University of Auckland, Auckland, New Zealand
| | - Rohan A Davis
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, Australia and School of Environment and Science, Griffith University, Brisbane, Australia
| | - Robert A Keyzers
- Centre for Biodiscovery, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Michèle R Prinsep
- Chemistry, School of Science, University of Waikato, Hamilton, New Zealand
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Daniotti S, Re I. Marine Biotechnology: Challenges and Development Market Trends for the Enhancement of Biotic Resources in Industrial Pharmaceutical and Food Applications. A Statistical Analysis of Scientific Literature and Business Models. Mar Drugs 2021; 19:md19020061. [PMID: 33530360 PMCID: PMC7912129 DOI: 10.3390/md19020061] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/15/2021] [Accepted: 01/21/2021] [Indexed: 12/19/2022] Open
Abstract
Biotechnology is an essential tool for the sustainable exploitation of marine resources, although the full development of their potential is complicated by a series of cognitive and technological limitations. Thanks to an innovative systematic approach that combines the meta-analysis of 620 articles produced worldwide with 29 high TRL (Technology Readiness Level) European funded projects, the study provides an assessment of the growth prospects of blue biotechnologies, with a focus on pharmaceutical and food applications, and the most promising technologies to overcome the main challenges in the commercialization of marine products. The results show a positive development trend, with publications more than doubled from 2010 (36) to 2019 (70). Biochemical and molecular characterization, with 150 studies, is the most widely used technology. However, the emerging technologies in basic research are omics technologies, pharmacological analysis and bioinformatics, which have doubled the number of publications in the last five years. On the other hand, technologies for optimizing the conditions of cultivation, harvesting and extraction are central to most business models with immediate commercial exploitation (65% of high-TRL selected projects), especially in food and nutraceutical applications. This research offers a starting point for future research to overcome all those obstacles that restrict the marketing of products derived from organisms.
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