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Yi KX, Xie QY, Ma QY, Yang L, Dai HF, Zhao YX, Hao YE. Diverse ansamycin derivatives from the marine-derived Streptomyces sp. ZYX-F-97 and their antibacterial activities. Fitoterapia 2024; 173:105814. [PMID: 38163447 DOI: 10.1016/j.fitote.2023.105814] [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: 11/28/2023] [Revised: 12/29/2023] [Accepted: 12/29/2023] [Indexed: 01/03/2024]
Abstract
Four new ansamycin derivatives, named 1,19-epithio-geldanamycin A (1), 17-demethoxylherbimycin H (2), herbimycin M (3), and seco-geldanamycin B (4), together with eight known ansamycin analogues (5-12) were isolated from the solid fermentation of marine-derived actinomycete Streptomyces sp. ZYX-F-97. The structures of new compounds were elucidated by extensive spectroscopic analysis as well as nuclear magnetic resonance (NMR) and electronic circular dichroism (ECD) calculations. All the compounds were assayed for their antibacterial activity. Among them, compounds 4, 8, and 12 exhibited remarkable inhibition against Listeria monocytogenes with minimum inhibitory concentrations (MIC) values ranging from 8 μg·mL-1 to 64 μg·mL-1, and displayed moderate inhibition against methicillin-resistant Staphylococcus aureus (MRSA) with MIC value of 64 μg·mL-1. Compounds 4, 8, 9, and 12 showed moderate inhibition activities against both Staphylococcus aureus and Bacillus subtilis with MIC values ranging from 32 μg·mL-1 to 128 μg·mL-1.
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Affiliation(s)
- Ke-Xin Yi
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Qing-Yi Xie
- Haikou Key Laboratory for Research and Utilization of Tropical Natural Products & National Key Laboratory for Tropical Crop Breeding, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Qing-Yun Ma
- Haikou Key Laboratory for Research and Utilization of Tropical Natural Products & National Key Laboratory for Tropical Crop Breeding, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Li Yang
- Haikou Key Laboratory for Research and Utilization of Tropical Natural Products & National Key Laboratory for Tropical Crop Breeding, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Hao-Fu Dai
- Haikou Key Laboratory for Research and Utilization of Tropical Natural Products & National Key Laboratory for Tropical Crop Breeding, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - You-Xing Zhao
- Haikou Key Laboratory for Research and Utilization of Tropical Natural Products & National Key Laboratory for Tropical Crop Breeding, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China.
| | - Yu-E Hao
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China.
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2
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Weeraphan T, Supong K, Sripreechasak P, Jutakanoke R, Kowinthanaphat S, Tanasupawat S, Pittayakhajonwut P, Phongsopitanun W. Streptomyces rugosispiralis sp. nov., a Novel Actinobacterium Isolated from Peat Swamp Forest Soil That Produces Ansamycin Derivatives and Nocardamines. Antibiotics (Basel) 2023; 12:1467. [PMID: 37760763 PMCID: PMC10525797 DOI: 10.3390/antibiotics12091467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/05/2023] [Accepted: 09/17/2023] [Indexed: 09/29/2023] Open
Abstract
Actinomycetes, especially the genus Streptomyces, are one of the most promising sources of bioactive natural products. In this study, a novel Streptomyces strain, RCU-064T, was isolated from a soil sample collected from a peat swamp forest in Thailand. Strain RCU-064T showed the highest 16S rRNA gene sequence similarity (99.06%) with Streptomyces malaysiensis NBRC 16446T. Based on a polyphasic approach, strain RCU-064T represents a novel species of the genus Streptomyces, for which the name Streptomyces rugosispiralis sp. nov. is proposed. The chemical isolation of the crude ethyl acetate extracts of the strain led to the isolation of six compounds: (1) geldanamycin, (2) 17-O-demethylgeldanamycin, (3) reblastatin, (4) 17-demethoxyreblastatin, (5) nocardamine, and (6) dehydroxynocardamine. These compounds were evaluated for their biological activities. All compounds showed no antimicrobial activity against tested microorganisms used in this study. Compounds (1)-(4) displayed cytotoxic activity against the NCI-H187 cell line, with IC50 values ranging from 0.045-4.250 µg/mL. Cytotoxicity against the MCF-7 cell line was found in compounds (1) and (3) with IC50 values of 3.51 and 1.27 µg/mL, respectively. Compounds (5) and (6) exhibited cytotoxicity only against Vero cells (IC50 of 16.57 µg/mL) and NCI-H187 cells (IC50 of 13.96 µg/mL), respectively. These results indicate that peat swamp forest soil remains a promising reservoir of novel actinomycetes capable of producing bioactive natural products.
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Affiliation(s)
- Trinset Weeraphan
- Department of Biochemistry and Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (T.W.); (S.K.); (S.T.)
| | - Khomsan Supong
- Department of Applied Science and Biotechnology, Faculty of Agro-Industrial Technology, Rajamangala University of Technology Tawan-ok, Chantaburi 22210, Thailand
| | - Paranee Sripreechasak
- Office of Educational Affairs, Faculty of Science, Burapha University, Chonburi 20131, Thailand;
| | - Rumpa Jutakanoke
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand;
| | - Supalerk Kowinthanaphat
- Department of Biochemistry and Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (T.W.); (S.K.); (S.T.)
| | - Somboon Tanasupawat
- Department of Biochemistry and Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (T.W.); (S.K.); (S.T.)
| | - Pattama Pittayakhajonwut
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Thailand Science Park, Pathum Thani 12120, Thailand;
| | - Wongsakorn Phongsopitanun
- Department of Biochemistry and Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (T.W.); (S.K.); (S.T.)
- Natural Products and Nanoparticles Research Units (NP2), Chulalongkorn University, Bangkok 10330, Thailand
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Guo ZK, Wang YC, Tan YZ, Abulaizi A, Xiong ZJ, Zhang SQ, Yang Y, Yang LY, Shi J. Nagimycins A and B, Antibacterial Ansamycin-Related Macrolactams from Streptomyces sp. NA07423. Org Lett 2023; 25:4203-4207. [PMID: 37232514 DOI: 10.1021/acs.orglett.3c01539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Chemical investigation of Streptomyces sp. NA07423 led to the discovery of two unreported macrolactams, nagimycins A (1) and B (2). Their structures were elucidated by NMR, HRESIMS, X-ray crystallography, and comparison of experimental and theoretical ECD spectra. The nagimycins have a unique butenolide moiety rarely found in ansamycin antibiotics. Genome analysis revealed the putative biosynthetic gene cluster for nagimycins, and a likely biosynthetic pathway was proposed. Notably, compounds 1 and 2 exhibited potent antibacterial activity against two pathogenic Xanthomonas bacteria.
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Affiliation(s)
- Zhi Kai Guo
- Hainan Key Laboratory of Tropical Microbe Resources, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences & Hainan Institute for Tropical Agricultural Resources, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Yong Chao Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Functional Biomolecules, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Ying Zi Tan
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Functional Biomolecules, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Ailiman Abulaizi
- Hainan Key Laboratory of Tropical Microbe Resources, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences & Hainan Institute for Tropical Agricultural Resources, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Functional Biomolecules, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Zi Jun Xiong
- Hainan Key Laboratory of Tropical Microbe Resources, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences & Hainan Institute for Tropical Agricultural Resources, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Shi Qing Zhang
- Hainan Key Laboratory of Tropical Microbe Resources, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences & Hainan Institute for Tropical Agricultural Resources, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Yang Yang
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences & National Collection of Microbial Resource for Fertilizer (Hainan), Haikou 571101, China
| | - La Ying Yang
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences & National Collection of Microbial Resource for Fertilizer (Hainan), Haikou 571101, China
| | - Jing Shi
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Functional Biomolecules, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Life Sciences, Nanjing University, Nanjing 210023, China
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4
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Metabolomics Tools Assisting Classic Screening Methods in Discovering New Antibiotics from Mangrove Actinomycetia in Leizhou Peninsula. Mar Drugs 2021; 19:md19120688. [PMID: 34940687 PMCID: PMC8707991 DOI: 10.3390/md19120688] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 11/23/2021] [Accepted: 11/28/2021] [Indexed: 12/22/2022] Open
Abstract
Mangrove actinomycetia are considered one of the promising sources for discovering novel biologically active compounds. Traditional bioactivity- and/or taxonomy-based methods are inefficient and usually result in the re-discovery of known metabolites. Thus, improving selection efficiency among strain candidates is of interest especially in the early stage of the antibiotic discovery program. In this study, an integrated strategy of combining phylogenetic data and bioactivity tests with a metabolomics-based dereplication approach was applied to fast track the selection process. A total of 521 actinomycetial strains affiliated to 40 genera in 23 families were isolated from 13 different mangrove soil samples by the culture-dependent method. A total of 179 strains affiliated to 40 different genera with a unique colony morphology were selected to evaluate antibacterial activity against 12 indicator bacteria. Of the 179 tested isolates, 47 showed activities against at least one of the tested pathogens. Analysis of 23 out of 47 active isolates using UPLC-HRMS-PCA revealed six outliers. Further analysis using the OPLS-DA model identified five compounds from two outliers contributing to the bioactivity against drug-sensitive A. baumannii. Molecular networking was used to determine the relationship of significant metabolites in six outliers and to find their potentially new congeners. Finally, two Streptomyces strains (M22, H37) producing potentially new compounds were rapidly prioritized on the basis of their distinct chemistry profiles, dereplication results, and antibacterial activities, as well as taxonomical information. Two new trioxacarcins with keto-reduced trioxacarcinose B, gutingimycin B (16) and trioxacarcin G (20), together with known gutingimycin (12), were isolated from the scale-up fermentation broth of Streptomyces sp. M22. Our study demonstrated that metabolomics tools could greatly assist classic antibiotic discovery methods in strain prioritization to improve efficiency in discovering novel antibiotics from those highly productive and rich diversity ecosystems.
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Silva M, Seijas P, Otero P. Exploitation of Marine Molecules to Manage Alzheimer's Disease. Mar Drugs 2021; 19:md19070373. [PMID: 34203244 PMCID: PMC8307759 DOI: 10.3390/md19070373] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 06/17/2021] [Accepted: 06/23/2021] [Indexed: 02/07/2023] Open
Abstract
Neurodegenerative diseases are sociosanitary challenges of today, as a result of increased average life expectancy, with Alzheimer’s disease being one of the most prevalent. This pathology is characterized by brain impairment linked to a neurodegenerative process culminating in cognitive decline and behavioral disorders. Though the etiology of this pathology is still unknown, it is usually associated with the appearance of senile plaques and neurofibrillary tangles. The most used prophylaxis relies on anticholinesterase drugs and NMDA receptor antagonists, whose main action is to relieve symptoms and not to treat or prevent the disease. Currently, the scientific community is gathering efforts to disclose new natural compounds effective against Alzheimer’s disease and other neurodegenerative pathologies. Marine natural products have been shown to be promising candidates, and some have been proven to exert a high neuroprotection effect, constituting a large reservoir of potential drugs and nutraceutical agents. The present article attempts to describe the processes of extraction and isolation of bioactive compounds derived from sponges, algae, marine bacteria, invertebrates, crustaceans, and tunicates as drug candidates against AD, with a focus on the success of pharmacological activity in the process of finding new and effective drug compounds.
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Affiliation(s)
- Marisa Silva
- MARE—Marine and Environmental Sciences Centre, Faculty of Sciences, University of Lisbon, Campo Grande, 1749-016 Lisbon, Portugal;
- Department of Plant Biology, Faculty of Science, University of Lisbon, Campo Grande, 1749-016 Lisbon, Portugal
| | - Paula Seijas
- Department of Pharmacology, Faculty of Pharmacy, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain;
| | - Paz Otero
- Department of Pharmacology, Faculty of Pharmacy, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain;
- Department of Production and Characterization of Novel Foods, Institute of Food Science Research (CIAL), Campus of International Excellence UAM+CSIC, 28049 Madrid, Spain
- Nutrition and Bromatology Group, CITACA, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, 32004 Ourense, Spain
- Correspondence: or
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6
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Vij R, Hube B, Brunke S. Uncharted territories in the discovery of antifungal and antivirulence natural products from bacteria. Comput Struct Biotechnol J 2021; 19:1244-1252. [PMID: 33680363 PMCID: PMC7905183 DOI: 10.1016/j.csbj.2021.02.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 02/02/2021] [Accepted: 02/02/2021] [Indexed: 12/26/2022] Open
Abstract
Many fungi can cause deadly diseases in humans, and nearly every human will suffer from some kind of fungal infection in their lives. Only few antifungals are available, and some of these fail to treat intrinsically resistant species and the ever-increasing number of fungal strains that have acquired resistance. In nature, bacteria and fungi display versatile interactions that range from friendly co-existence to predation. The first antifungal drugs, nystatin and amphotericin B, were discovered in bacteria as mediators of such interactions, and bacteria continue to be an important source of antifungals. To learn more about the ecological bacterial-fungal interactions that drive the evolution of natural products and exploit them, we need to identify environments where such interactions are pronounced, and diverse. Here, we systematically analyze historic and recent developments in this field to identify potentially under-investigated niches and resources. We also discuss alternative strategies to treat fungal infections by utilizing the antagonistic potential of bacteria to target fungal stress pathways and virulence factors, and thereby suppress the evolution of antifungal resistance.
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Affiliation(s)
- Raghav Vij
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology – Hans Knoell Institute Jena (HKI), Germany
| | - Bernhard Hube
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology – Hans Knoell Institute Jena (HKI), Germany
- Institute of Microbiology, Friedrich Schiller University, Jena, Germany
| | - Sascha Brunke
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology – Hans Knoell Institute Jena (HKI), Germany
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7
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Kumar PS, Ling CY, Zhou ZB, Dong YL, Sun CL, Song YX, Wong NK, Ju JH. Chemical Diversity of Metabolites and Antibacterial Potential of Actinomycetes Associated with Marine Invertebrates from Intertidal Regions of Daya Bay and Nansha Islands. Microbiology (Reading) 2020. [DOI: 10.1134/s0026261720040062] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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8
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Nweze JA, Mbaoji FN, Huang G, Li Y, Yang L, Zhang Y, Huang S, Pan L, Yang D. Antibiotics Development and the Potentials of Marine-Derived Compounds to Stem the Tide of Multidrug-Resistant Pathogenic Bacteria, Fungi, and Protozoa. Mar Drugs 2020; 18:E145. [PMID: 32121196 PMCID: PMC7142797 DOI: 10.3390/md18030145] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/19/2020] [Accepted: 02/25/2020] [Indexed: 12/15/2022] Open
Abstract
As the search for new antibiotics continues, the resistance to known antimicrobial compounds continues to increase. Many researchers around the world, in response to antibiotics resistance, have continued to search for new antimicrobial compounds in different ecological niches such as the marine environment. Marine habitats are one of the known and promising sources for bioactive compounds with antimicrobial potentials against currently drug-resistant strains of pathogenic microorganisms. For more than a decade, numerous antimicrobial compounds have been discovered from marine environments, with many more antimicrobials still being discovered every year. So far, only very few compounds are in preclinical and clinical trials. Research in marine natural products has resulted in the isolation and identification of numerous diverse and novel chemical compounds with potency against even drug-resistant pathogens. Some of these compounds, which mainly came from marine bacteria and fungi, have been classified into alkaloids, lactones, phenols, quinones, tannins, terpenes, glycosides, halogenated, polyketides, xanthones, macrocycles, peptides, and fatty acids. All these are geared towards discovering and isolating unique compounds with therapeutic potential, especially against multidrug-resistant pathogenic microorganisms. In this review, we tried to summarize published articles from 2015 to 2019 on antimicrobial compounds isolated from marine sources, including some of their chemical structures and tests performed against drug-resistant pathogens.
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Affiliation(s)
- Justus Amuche Nweze
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, Guangxi Academy of Sciences, Nanning 530007, China; (J.A.N.); (F.N.M.); (S.H.)
- Department of Science Laboratory Technology, Faculty of Physical Sciences, University of Nigeria, Nsukka PMB 410001, Nigeria
| | - Florence N. Mbaoji
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, Guangxi Academy of Sciences, Nanning 530007, China; (J.A.N.); (F.N.M.); (S.H.)
- Department of Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka PMB 410001, Enugu State, Nigeria
| | - Gang Huang
- Guangxi Biomass Industrialization Engineering Institute, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass, Guangxi Academy of Sciences, Nanning 530007, China; (G.H.); (Y.L.); (L.Y.)
| | - Yanming Li
- Guangxi Biomass Industrialization Engineering Institute, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass, Guangxi Academy of Sciences, Nanning 530007, China; (G.H.); (Y.L.); (L.Y.)
| | - Liyan Yang
- Guangxi Biomass Industrialization Engineering Institute, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass, Guangxi Academy of Sciences, Nanning 530007, China; (G.H.); (Y.L.); (L.Y.)
| | - Yunkai Zhang
- College of Life Science and Technology of Guangxi University, Nanning 530004, China;
| | - Shushi Huang
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, Guangxi Academy of Sciences, Nanning 530007, China; (J.A.N.); (F.N.M.); (S.H.)
| | - Lixia Pan
- Guangxi Biomass Industrialization Engineering Institute, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass, Guangxi Academy of Sciences, Nanning 530007, China; (G.H.); (Y.L.); (L.Y.)
| | - Dengfeng Yang
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, Guangxi Academy of Sciences, Nanning 530007, China; (J.A.N.); (F.N.M.); (S.H.)
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Kristiana R, Bedoux G, Pals G, Mudianta IW, Taupin L, Marty C, Asagabaldan MA, Ayuningrum D, Trianto A, Bourgougnon N, Radjasa OK, Sabdono A, Hanafi M. Bioactivity of compounds secreted by symbiont bacteria of Nudibranchs from Indonesia. PeerJ 2020; 8:e8093. [PMID: 31915568 PMCID: PMC6942679 DOI: 10.7717/peerj.8093] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Accepted: 10/23/2019] [Indexed: 01/12/2023] Open
Abstract
The aims of this work are to isolate bacterial symbionts from nudibranchs and subsequently to determine anti-Methicillin resistant Staphylococcus aureus (MRSA), cytotoxicity and anti-Herpes simplex virus type 1 (HSV-1) activities of bio compounds. A total of 15 species of nudibranchs were collected from Karimunjawa and five species from Bali, respectively. A total of 245 bacteria isolates were obtained. The anti-MRSA activity screening activity indicated two active bacteria. Ethyl acetate extracts from supernatants, indicating extracelullar compounds, showed an inhibition zone against MRSA at concentrations of 500–1,000 µg/ml. DNA sequence analysis showed that the strain KJB-07 from Phyllidia coelestis was closely related to Pseudoalteromonas rubra, whereas the strain NP31-01 isolated from Phyllidia varicosa was closely related to Virgibacillus salarius. The extract of Pseudoalteromonas rubra was cytotoxic to Vero cells at a concentration of 75 µg/ml. The extract of V. salarius presented no cytotoxicity at concentrations of 5–1,000 µg/ml. No anti HSV-1 was observed for both isolated bacteria. This is the first study describing research on anti-MRSA, cytotoxicity and anti HSV-1 activity of bacterial symbionts from the viscera of nudibranch. Compounds produced by Pseudoalteromonas rubra and V. salarius, had potential anti-MRSA activity. However, only extracts from Pseudoalteromonas rubra showed cytotoxic effects on Vero cells. Three compounds were identified by LC/MS after purification from culture supernatant.
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Affiliation(s)
- Rhesi Kristiana
- Department of Coastal Resources Management, Universities Diponegoro, Semarang, Central Java, Indonesia
| | - Gilles Bedoux
- Laboratory of Marine Biotechnology and Chemistry, Université de Bretagne Sud, Vannes, Bretagne, France
| | - Gerard Pals
- Center for Connective Tissue research, VU University medical center, Amsterdam, The Netherlands
| | - I Wayan Mudianta
- Chemical Analysis Study Program, Universitas Pendidikan Ganesha, Singaraja, Bali, Indonesia
| | - Laure Taupin
- Laboratory of Marine Biotechnology and Chemistry, Université de Bretagne Sud, Vannes, Bretagne, France
| | - Christel Marty
- Laboratory of Marine Biotechnology and Chemistry, Université de Bretagne Sud, Vannes, Bretagne, France
| | | | - Diah Ayuningrum
- Department of Coastal Resources Management, Universities Diponegoro, Semarang, Central Java, Indonesia.,Department of Aquatic Resource Management, Diponegoro University, Semarang, Central Java, Indonesia
| | - Agus Trianto
- Department of Marine Sciences, Faculty of Fisheries and Marine Sciences, Universities Diponegoro, Semarang, Central Java, Indonesia
| | - Nathalie Bourgougnon
- Laboratory of Marine Biotechnology and Chemistry, Université de Bretagne Sud, Vannes, Bretagne, France
| | - Ocky Karna Radjasa
- Department of Marine Sciences, Faculty of Fisheries and Marine Sciences, Universities Diponegoro, Semarang, Central Java, Indonesia
| | - Agus Sabdono
- Department of Marine Sciences, Faculty of Fisheries and Marine Sciences, Universities Diponegoro, Semarang, Central Java, Indonesia
| | - Muhammad Hanafi
- Research Center for Chemistry, Indonesian Institute of Sciences., Tangerang Selatan, Banten, Indonesia.,Faculty of Pharmacy, Pancasila University, Srengseng Sawah Jakarta Selatan, Indonesia
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10
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Cleary DFR, Polónia ARM, Huang YM, Swierts T. Compositional variation between high and low prokaryotic diversity coral reef biotopes translates to different predicted metagenomic gene content. Antonie van Leeuwenhoek 2019; 113:563-587. [PMID: 31802337 DOI: 10.1007/s10482-019-01364-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 11/20/2019] [Indexed: 10/25/2022]
Abstract
In a previous study, we identified host species that housed high and low diversity prokaryotic communities. In the present study, we expand on this and assessed the prokaryotic communities associated with seawater, sediment and 11 host species from 7 different phyla in a Taiwanese coral reef setting. The host taxa sampled included hard, octo- and black corals, molluscs, bryozoans, flatworms, fish and sea urchins. There were highly significant differences in composition among host species and all host species housed distinct communities from those found in seawater and sediment. In a hierarchical clustering analysis, samples from all host species, with the exception of the coral Galaxea astreata, formed significantly supported clusters. In addition to this, the coral G. astreata and the bryozoan Triphyllozoon inornatum on the one hand and the coral Tubastraea coccinea, the hermit crab Calcinus laevimanus and the flatworm Thysanozoon nigropapillosum on the other formed significantly supported clusters. In addition to composition, there were highly pronounced differences in richness and evenness among host species from the most diverse species, the bryozoan T. inornatum at 2518 ± 240 OTUs per 10,000 sequences to the least diverse species, the octocoral Cladiella sp. at 142 ± 14 OTUs per 10,000 sequences. In line with the differences in composition, there were significant differences in predicted metagenomic gene counts among host species. Furthermore, there were pronounced compositional and predicted functional differences between high diversity hosts (Liolophura japonica, G. astreata, T. coccinea, C. laevimanus, T. inornatum) and low diversity hosts (Antipathes sp., Pomacentrus coelestis, Modiolus auriculatus, T. nigropapillosum, Cladiella sp. and Diadema savigny). In particular, we found that all tested low diversity hosts were predicted to be enriched for the phosphotransferase system compared to high diversity hosts.
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Affiliation(s)
- Daniel F R Cleary
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
| | - Ana Rita M Polónia
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Yusheng M Huang
- Tropical Island Sustainable Development Research Center, National Penghu University of Science and Technology, Penghu, Taiwan.,Department of Marine Recreation, University of Science and Technology, Penghu, Taiwan
| | - Thomas Swierts
- Naturalis Biodiversity Center, Leiden, The Netherlands.,Institute of Environmental Sciences (CML), Leiden University, Leiden, The Netherlands
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11
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Hao L, Wang Y, Chen X, Zheng X, Chen S, Li S, Zhang Y, Xu Y. Exploring the Potential of Natural Products From Mangrove Rhizosphere Bacteria as Biopesticides Against Plant Diseases. PLANT DISEASE 2019; 103:2925-2932. [PMID: 31449436 DOI: 10.1094/pdis-11-18-1958-re] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
With increasing concerns of the environmental problems associated with current fungicide application, investigation of alternative, environmentally compatible biopesticides for plant disease management is needed. A total of 113 strains associated with Acanthus ilicifolius Linn in the Maipo Reserve, Hong Kong, were isolated and identified. In vitro assay with crude extracts of bacterial fermentation cultures identified ∼26% of the isolates producing antimicrobial compounds against a variety of agriculturally important phytopathogens. Selected crude extracts with inhibition to Colletotrichum fructicola and Magnaporthe oryzae growth significantly suppressed anthracnose and rice blast development in pear fruits and rice plants, respectively, when applied at 50 μg ml-1. Furthermore, 10 of 14 selected crude extracts with good antimicrobial activities had no significant differences in toxicity to the genus Chlorella compared with the control when used at 25 μg ml-1, whereas Amistar Top and Mancozeb completely killed the alga under the same concentration. These data illustrate the potential of natural products from mangrove rhizosphere bacteria in future agricultural application.
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Affiliation(s)
- Lingyun Hao
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
- Shenzhen Key Laboratory of Marine Bioresource & Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, PR China
| | - Yu Wang
- Shenzhen Key Laboratory of Marine Bioresource & Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, PR China
| | - Xinqi Chen
- Shenzhen Key Laboratory of Marine Bioresource & Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, PR China
| | - Xiaoli Zheng
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
- Shenzhen Key Laboratory of Marine Bioresource & Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, PR China
| | - Si Chen
- Shenzhen Key Laboratory of Marine Bioresource & Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, PR China
| | - Shuangfei Li
- Shenzhen Key Laboratory of Marine Bioresource & Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, PR China
| | - Yu Zhang
- Shenzhen Key Laboratory of Marine Bioresource & Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, PR China
| | - Ying Xu
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
- Shenzhen Key Laboratory of Marine Bioresource & Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, PR China
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12
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Riahi K, Hosni K, Raies A, Oliveira R. Unique secondary metabolites of a
Streptomyces
strain isolated from extreme salty wetland show antioxidant and antibacterial activities. J Appl Microbiol 2019; 127:1727-1740. [DOI: 10.1111/jam.14428] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 07/24/2019] [Accepted: 08/14/2019] [Indexed: 12/20/2022]
Affiliation(s)
- K. Riahi
- LR03ES03 Laboratoire des Microorganismes et Biomolécules Actives Faculté des Sciences de Tunis Université de Tunis El‐ManarEl‐Manar II Tunis Tunisie
- Department of Biology Centre for the Research and Technology of Agro‐Environmental and Biological Sciences (CITAB) University of Minho Braga Portugal
| | - K. Hosni
- Laboratoire des Substances Naturelles Institut National de Recherche et d'Analyse Physico‐chimique Biotechpôle de Sidi Thabet Tunisia
| | - A. Raies
- LR03ES03 Laboratoire des Microorganismes et Biomolécules Actives Faculté des Sciences de Tunis Université de Tunis El‐ManarEl‐Manar II Tunis Tunisie
| | - R. Oliveira
- Department of Biology Centre for the Research and Technology of Agro‐Environmental and Biological Sciences (CITAB) University of Minho Braga Portugal
- Department of Biology Centre of Biological Engineering University of Minho Braga Portugal
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13
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Khalifa SAM, Elias N, Farag MA, Chen L, Saeed A, Hegazy MEF, Moustafa MS, Abd El-Wahed A, Al-Mousawi SM, Musharraf SG, Chang FR, Iwasaki A, Suenaga K, Alajlani M, Göransson U, El-Seedi HR. Marine Natural Products: A Source of Novel Anticancer Drugs. Mar Drugs 2019; 17:E491. [PMID: 31443597 PMCID: PMC6780632 DOI: 10.3390/md17090491] [Citation(s) in RCA: 265] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/11/2019] [Accepted: 08/16/2019] [Indexed: 02/06/2023] Open
Abstract
Cancer remains one of the most lethal diseases worldwide. There is an urgent need for new drugs with novel modes of action and thus considerable research has been conducted for new anticancer drugs from natural sources, especially plants, microbes and marine organisms. Marine populations represent reservoirs of novel bioactive metabolites with diverse groups of chemical structures. This review highlights the impact of marine organisms, with particular emphasis on marine plants, algae, bacteria, actinomycetes, fungi, sponges and soft corals. Anti-cancer effects of marine natural products in in vitro and in vivo studies were first introduced; their activity in the prevention of tumor formation and the related compound-induced apoptosis and cytotoxicities were tackled. The possible molecular mechanisms behind the biological effects are also presented. The review highlights the diversity of marine organisms, novel chemical structures, and chemical property space. Finally, therapeutic strategies and the present use of marine-derived components, its future direction and limitations are discussed.
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Affiliation(s)
- Shaden A M Khalifa
- Clinical Research Centre, Karolinska University Hospital, Novum, 14157 Huddinge, Stockholm, Sweden
- Department of Molecular Biosciences, the Wenner-Gren Institute, Stockholm University, SE 106 91 Stockholm, Sweden
| | - Nizar Elias
- Department of Laboratory Medicine, Faculty of Medicine, University of Kalamoon, P.O. Box 222 Dayr Atiyah, Syria
| | - Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr el Aini St., P.B. 11562 Cairo, Egypt
- Department of Chemistry, School of Sciences & Engineering, The American University in Cairo, 11835 New Cairo, Egypt
| | - Lei Chen
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Aamer Saeed
- Department of Chemitry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Mohamed-Elamir F Hegazy
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Staudingerweg 5, 55128 Mainz, Germany
- Chemistry of Medicinal Plants Department, National Research Centre, 33 El-Bohouth St., Dokki, 12622 Giza, Egypt
| | - Moustafa S Moustafa
- Department of Chemistry, Faculty of Science, University of Kuwait, 13060 Safat, Kuwait
| | - Aida Abd El-Wahed
- Department of Chemistry, Faculty of Science, University of Kuwait, 13060 Safat, Kuwait
| | - Saleh M Al-Mousawi
- Department of Chemistry, Faculty of Science, University of Kuwait, 13060 Safat, Kuwait
| | - Syed G Musharraf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi 75270, Pakistan
| | - Fang-Rong Chang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Arihiro Iwasaki
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama 223-8522, Japan
| | - Kiyotake Suenaga
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama 223-8522, Japan
| | - Muaaz Alajlani
- Department of Pharmaceutical Biology/Pharmacognosy, Institute of Pharmacy, University of HalleWittenberg, Hoher Weg 8, DE 06120 Halle (Saale), Germany
- Pharmacognosy, Department of Medicinal Chemistry, Uppsala University, Box 574, SE-75 123 Uppsala, Sweden
| | - Ulf Göransson
- Pharmacognosy, Department of Medicinal Chemistry, Uppsala University, Box 574, SE-75 123 Uppsala, Sweden
| | - Hesham R El-Seedi
- Pharmacognosy, Department of Medicinal Chemistry, Uppsala University, Box 574, SE-75 123 Uppsala, Sweden.
- Department of Chemistry, Faculty of Science, Menoufia University, 32512 Shebin El-Koom, Egypt.
- College of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
- Al-Rayan Research and Innovation Center, Al-Rayan Colleges, 42541 Medina, Saudi Arabia.
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14
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Khalifa SAM, Elias N, Farag MA, Chen L, Saeed A, Hegazy MEF, Moustafa MS, Abd El-Wahed A, Al-Mousawi SM, Musharraf SG, Chang FR, Iwasaki A, Suenaga K, Alajlani M, Göransson U, El-Seedi HR. Marine Natural Products: A Source of Novel Anticancer Drugs. Mar Drugs 2019; 17:491. [DOI: https:/doi.org/10.3390/md17090491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023] Open
Abstract
Cancer remains one of the most lethal diseases worldwide. There is an urgent need for new drugs with novel modes of action and thus considerable research has been conducted for new anticancer drugs from natural sources, especially plants, microbes and marine organisms. Marine populations represent reservoirs of novel bioactive metabolites with diverse groups of chemical structures. This review highlights the impact of marine organisms, with particular emphasis on marine plants, algae, bacteria, actinomycetes, fungi, sponges and soft corals. Anti-cancer effects of marine natural products in in vitro and in vivo studies were first introduced; their activity in the prevention of tumor formation and the related compound-induced apoptosis and cytotoxicities were tackled. The possible molecular mechanisms behind the biological effects are also presented. The review highlights the diversity of marine organisms, novel chemical structures, and chemical property space. Finally, therapeutic strategies and the present use of marine-derived components, its future direction and limitations are discussed.
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15
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Hao L, Zheng X, Wang Y, Li S, Shang C, Xu Y. Inhibition of Tomato Early Blight Disease by Culture Extracts of a Streptomyces puniceus Isolate from Mangrove Soil. PHYTOPATHOLOGY 2019; 109:1149-1156. [PMID: 30794487 DOI: 10.1094/phyto-12-18-0444-r] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This study investigates the potential of natural products derived from a mangrove rhizosphere bacterium in tomato early blight management. A Streptomyces puniceus strain L75 was isolated from the rhizosphere of Acanthus ilicifolius Linn in the Mai Po Reserve, Hong Kong. The crude ethyl acetate (EA) extract of L75 fermentation cultures has broad-spectrum antifungal bioactivities. L75 EA extract was significantly more effective in Alternaria solani growth inhibition at 25 μg/ml or lower compared with Mancozeb, with no observable negative impacts on tomato leaves or root development. Furthermore, L75 EA extract had significantly lower aquatic toxicity than Mancozeb at the same concentrations. L75 EA extract targets germ tube elongation of A. solani conidia, with a fungistatic mode of action. Liquid chromatography-quadrupole time-of-flight mass spectrometry analysis identified two possible antifungal compounds, Alteramide A and the Heat-Stable Antifungal Factor, which together contribute partially to the bioactivity of L75 EA extract. On detached tomato leaves, coinoculation of A. solani with L75 EA extract of 50, 25, or 5 μg/ml reduced diseased areas by ∼98, ∼90, and ∼48%, respectively, relative to the control after 5 days. This study demonstrates the potential of natural products from mangrove rhizosphere bacteria in agricultural applications.
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Affiliation(s)
- Lingyun Hao
- 1 Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, People's Republic of China
- 2 Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, People's Republic of China
| | - Xiaoli Zheng
- 1 Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, People's Republic of China
- 2 Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, People's Republic of China
| | - Yu Wang
- 2 Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, People's Republic of China
| | - Shuangfei Li
- 2 Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, People's Republic of China
| | - Chenjing Shang
- 2 Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, People's Republic of China
| | - Ying Xu
- 1 Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, People's Republic of China
- 2 Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, People's Republic of China
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16
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Abstract
Covering: January to December 2017This review covers the literature published in 2017 for marine natural products (MNPs), with 740 citations (723 for the period January to December 2017) 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 (1490 in 477 papers for 2017), 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. Geographic distributions of MNPs at a phylogenetic level are reported.
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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
| | - Robert A Keyzers
- Centre for Biodiscovery, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
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