1
|
de Souza Rodrigues R, de Souza AQL, Feitoza MDO, Alves TCL, Barbosa AN, da Silva Santiago SRS, de Souza ADL. Biotechnological potential of actinomycetes in the 21st century: a brief review. Antonie Van Leeuwenhoek 2024; 117:82. [PMID: 38789815 DOI: 10.1007/s10482-024-01964-y] [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: 08/31/2023] [Accepted: 04/07/2024] [Indexed: 05/26/2024]
Abstract
This brief review aims to draw attention to the biotechnological potential of actinomycetes. Their main uses as sources of antibiotics and in agriculture would be enough not to neglect them; however, as we will see, their biotechnological application is much broader. Far from intending to exhaust this issue, we present a short survey of the research involving actinomycetes and their applications published in the last 23 years. We highlight a perspective for the discovery of new active ingredients or new applications for the known metabolites of these microorganisms that, for approximately 80 years, since the discovery of streptomycin, have been the main source of antibiotics. Based on the collected data, we organize the text to show how the cosmopolitanism of actinomycetes and the evolutionary biotic and abiotic ecological relationships of actinomycetes translate into the expression of metabolites in the environment and the richness of biosynthetic gene clusters, many of which remain silenced in traditional laboratory cultures. We also present the main strategies used in the twenty-first century to promote the expression of these silenced genes and obtain new secondary metabolites from known or new strains. Many of these metabolites have biological activities relevant to medicine, agriculture, and biotechnology industries, including candidates for new drugs or drug models against infectious and non-infectious diseases. Below, we present significant examples of the antimicrobial spectrum of actinomycetes, which is the most commonly investigated and best known, as well as their non-antimicrobial spectrum, which is becoming better known and increasingly explored.
Collapse
Affiliation(s)
- Rafael de Souza Rodrigues
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil.
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal do Amazonas, Av. General Rodrigo Octavio Jordão Ramos, 6200, Coroado I, Manaus, Amazonas, CEP 69.077-000, Brazil.
| | - Antonia Queiroz Lima de Souza
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal do Amazonas, Av. General Rodrigo Octavio Jordão Ramos, 6200, Coroado I, Manaus, Amazonas, CEP 69.077-000, Brazil
- Faculdade de Ciências Agrárias, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
| | | | | | - Anderson Nogueira Barbosa
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal do Amazonas, Av. General Rodrigo Octavio Jordão Ramos, 6200, Coroado I, Manaus, Amazonas, CEP 69.077-000, Brazil
| | - Sarah Raquel Silveira da Silva Santiago
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal do Amazonas, Av. General Rodrigo Octavio Jordão Ramos, 6200, Coroado I, Manaus, Amazonas, CEP 69.077-000, Brazil
| | - Afonso Duarte Leão de Souza
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal do Amazonas, Av. General Rodrigo Octavio Jordão Ramos, 6200, Coroado I, Manaus, Amazonas, CEP 69.077-000, Brazil
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
| |
Collapse
|
2
|
Araújo DMF, da Cruz Filho IJ, Santos T, Pereira DTM, Marques DSC, da Conceição Alves de Lima A, de Aquino TM, de Moraes Rocha GJ, do Carmo Alves de Lima M, Nogueira F. Biological activities and physicochemical characterization of alkaline lignins obtained from branches and leaves of Buchenavia viridiflora with potential pharmaceutical and biomedical applications. Int J Biol Macromol 2022; 219:224-245. [DOI: 10.1016/j.ijbiomac.2022.07.225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/22/2022] [Accepted: 07/28/2022] [Indexed: 11/16/2022]
|
3
|
Naligama KN, Weerasinghe KE, Halmillawewa AP. Characterization of Bioactive Actinomycetes Isolated from Kadolkele Mangrove Sediments, Sri Lanka. Pol J Microbiol 2022; 71:191-204. [PMID: 35676828 PMCID: PMC9252147 DOI: 10.33073/pjm-2022-017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 03/09/2022] [Indexed: 12/04/2022] Open
Abstract
Exploring untapped microbial potentials in previously uncharted environments has become crucial in discovering novel secondary metabolites and enzymes for biotechnological applications. Among prokaryotes, actinomycetes are well recognized for producing a vast range of secondary metabolites and extracellular enzymes. In the present study, we have used surface sediments from ‘Kadolkele’ mangrove ecosystem located in the Negombo lagoon area, Sri Lanka, to isolate actinomycetes with bioactive potentials. A total of six actinomycetes were isolated on modified-starch casein agar and characterized. The isolates were evaluated for their antibacterial activity against four selected bacterial strains and to produce extracellular enzymes: cellulase, amylase, protease, and lipase. Three out of the six isolates exhibited antibacterial activity against Staphylococcus aureus, Escherichia coli, and Bacillus cereus, but not against Listeria monocytogenes. Five strains could produce extracellular cellulase, while all six isolates exhibited amylase activity. Only three of the six isolates were positive for protease and lipase assays separately. Ac-1, Ac-2, and Ac-9, identified as Streptomyces spp. with the 16S rRNA gene sequencing, were used for pigment extraction using four different solvents. Acetone-extracted crude pigments of Ac-1 and Ac-2 were further used in well-diffusion assays, and growth inhibition of test bacteria was observed only with the crude pigment extract of Ac-2. Further, six different commercially available fabrics were dyed with crude pigments of Ac-1. The dyed fabrics retained the yellow color after acid, alkaline, and cold-water treatments suggesting the potential of the Ac-1 pigment to be used in biotechnological applications.
Collapse
Affiliation(s)
- Kishani N Naligama
- Department of Microbiology, Faculty of Science, University of Kelaniya, Kelaniya Sri Lanka
| | - Kavindi E Weerasinghe
- Department of Microbiology, Faculty of Science, University of Kelaniya, Kelaniya Sri Lanka
| | - Anupama P Halmillawewa
- Department of Microbiology, Faculty of Science, University of Kelaniya, Kelaniya Sri Lanka
| |
Collapse
|
4
|
Abdou AM, Seddek ALS, Abdelmageed N, Badry MO, Nishikawa Y. Extracts of wild Egyptian plants from the desert inhibit the growth of Toxoplasmagondii and Neospora caninum in vitro. J Vet Med Sci 2022; 84:1034-1040. [PMID: 35661076 PMCID: PMC9353089 DOI: 10.1292/jvms.22-0159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Wild medicinal plants have been traditionally used as antimicrobial agents. Here, we evaluated the in vitro activity of extracts from wild Egyptian desert plants against
Toxoplasma gondii and Neospora caninum. From 12 plant extracts tested, the methanolic extracts from Artemisia judaica, Cleome droserifolia,
Trichodesma africanum, and Vachellia tortilis demonstrated potent activity against the growth of T. gondii, with half-maximal inhibitory
concentrations (IC50s) of 2.1, 12.5, 21.8, and 24.5 µg/ml, respectively. C. droserifolia, an ethanolic extract of P. undulata, T.
africanum, A. judaica, and V. tortilis demonstrated potent efficacy against N. caninum, with mean IC50s of 1.0, 3.0,
3.1, 8.6, and 17.2 µg/ml, respectively. Our data suggest these extracts could provide an alternative treatment for T. gondii and N. caninum infections.
Collapse
Affiliation(s)
- Ahmed M Abdou
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine.,Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University
| | - Abdel-Latif S Seddek
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University
| | - Noha Abdelmageed
- Department of Pharmacology, Faculty of Veterinary Medicine, Sohag University
| | - Mohamed O Badry
- Department of Botany and Microbiology, Faculty of Science, South Valley University
| | - Yoshifumi Nishikawa
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine
| |
Collapse
|
5
|
Abdou AM, Seddek ALS, Abdelmageed N, Badry MO, Nishikawa Y. Wild Egyptian medicinal plants show in vitro and in vivo cytotoxicity and antimalarial activities. BMC Complement Med Ther 2022; 22:130. [PMID: 35550108 PMCID: PMC9101831 DOI: 10.1186/s12906-022-03566-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 03/10/2022] [Indexed: 11/28/2022] Open
Abstract
Background Medicinal plants have been successfully used as an alternative source of drugs for the treatment of microbial diseases. Finding a novel treatment for malaria is still challenging, and various extracts from different wild desert plants have been reported to have multiple medicinal uses for human public health, this study evaluated the antimalarial efficacy of several Egyptian plant extracts. Methods We assessed the cytotoxic potential of 13 plant extracts and their abilities to inhibit the in vitro growth of Plasmodium falciparum (3D7), and to treat infection with non-lethal Plasmodium yoelii 17XNL in an in vivo malaria model in BALB/c mice. Results In vitro screening identified four promising candidates, Trichodesma africanum, Artemisia judaica, Cleome droserifolia, and Vachellia tortilis, with weak-to-moderate activity against P. falciparum erythrocytic blood stages with mean half-maximal inhibitory concentration 50 (IC50) of 11.7 μg/ml, 20.0 μg/ml, 32.1 μg/ml, and 40.0 μg/ml, respectively. Their selectivity index values were 35.2, 15.8, 11.5, and 13.8, respectively. Among these four candidates, T. africanum crude extract exhibited the highest parasite suppression in a murine malaria model against P. yoelii. Conclusion Our study identified novel natural antimalarial agents of plant origin that have potential for development into therapeutics for treating malaria. Supplementary Information The online version contains supplementary material available at 10.1186/s12906-022-03566-5.
Collapse
Affiliation(s)
- Ahmed M Abdou
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, 080-08555, Japan.,Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Abdel-Latif S Seddek
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Noha Abdelmageed
- Department of Pharmacology, Faculty of Veterinary Medicine, Sohag University, Sohag, 82524, Egypt
| | - Mohamed O Badry
- Department of Botany and Microbiology, Faculty of Science, South Valley University, Qena, 83523, Egypt
| | - Yoshifumi Nishikawa
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, 080-08555, Japan.
| |
Collapse
|
6
|
Quintero M, Blandón LM, Vidal OM, Guzman JD, Gómez-Marín JE, Patiño AD, Molina DA, Puerto-Castro GM, Gómez-León J. In vitro biological activity of extracts from marine bacteria cultures against Toxoplasma gondii and Mycobacterium tuberculosis. J Appl Microbiol 2021; 132:2705-2720. [PMID: 34856041 DOI: 10.1111/jam.15397] [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: 09/11/2020] [Revised: 10/07/2021] [Accepted: 11/29/2021] [Indexed: 11/29/2022]
Abstract
AIMS To evaluate the biological activity of extracts from cultures of marine bacteria against Toxoplasma gondii and Mycobacterium tuberculosis. METHODS AND RESULTS Ethyl acetate extracts obtained from seven marine bacteria were tested against T. gondii GFP-RH and M. tuberculosis H37Rv. The cytotoxicity on HFF-1 cells was measured by a microplate resazurin fluorescent approach, and the haemolytic activity was determined photometrically. The extracts from Bacillus sp. (INV FIR35 and INV FIR48) affected the tachyzoite viability. The extracts from Bacillus, Pseudoalteromonas, Streptomyces and Micromonospora exhibited effects on infection and proliferation processes of parasite. Bacillus sp. INV FIR48 extract showed an minimum inhibitory concentration value of 50 µg ml-1 against M. tuberculosis H37Rv. All the extracts exhibited relatively low toxicity to HFF-1 cells and the primary culture of erythrocytes, except Bacillus sp. INV FIR35, which decreased cell viability under 20%. Liquid chromatography coupled to mass spectrometry analysis of the most active bacterial extract Bacillus sp. INV FIR48 showed the presence of peptide metabolites related to surfactin. CONCLUSIONS The extract from culture of deep-sea Bacillus sp. INV FIR48 showed anti-T. gondii and anti-tuberculosis (TB) biological activity with low cytotoxicity. In addition, peptide metabolites were detected in the extract. SIGNIFICANCE AND IMPACT OF THE STUDY Toxoplasmosis and TB are among the most prevalent diseases worldwide, and the current treatment drugs exhibit side effects. This study confirm that marine bacteria are on hand sources of anti-infective natural products.
Collapse
Affiliation(s)
- Marynes Quintero
- Marine Bioprospecting Line, Evaluation and Use of Marine and Coastal Resources Program-VAR, Marine and Coastal Research Institute-INVEMAR, Santa Marta, Colombia
| | - Lina M Blandón
- Marine Bioprospecting Line, Evaluation and Use of Marine and Coastal Resources Program-VAR, Marine and Coastal Research Institute-INVEMAR, Santa Marta, Colombia
| | - Oscar M Vidal
- Division of Health Sciences, Medicine Department, Universidad del Norte, Barranquilla, Colombia
| | - Juan D Guzman
- Department of Bioresources, Fraunhofer Institute for Molecular Biology and Applied Ecology, Giessen, Germany
| | - Jorge E Gómez-Marín
- GEPAMOL, Center for Biomedical Research, Faculty of Health Sciences, Universidad del Quindío, Armenia, Colombia
| | - Albert D Patiño
- Marine Bioprospecting Line, Evaluation and Use of Marine and Coastal Resources Program-VAR, Marine and Coastal Research Institute-INVEMAR, Santa Marta, Colombia
| | - Diego A Molina
- GEPAMOL, Center for Biomedical Research, Faculty of Health Sciences, Universidad del Quindío, Armenia, Colombia
| | - Gloria M Puerto-Castro
- Red Nacional de Investigación Innovación y Gestión del Conocimiento en Tuberculosis, Instituto Nacional de Salud, Bogotá, Colombia
| | - Javier Gómez-León
- Marine Bioprospecting Line, Evaluation and Use of Marine and Coastal Resources Program-VAR, Marine and Coastal Research Institute-INVEMAR, Santa Marta, Colombia
| |
Collapse
|
7
|
Sinha S, Chakrabarti A, Singh G, Kumar KK, Gaur NA, Arora A, Singh KN, Singh S, Paul D. Isolation and identification of carotenoid-producing yeast and evaluation of antimalarial activity of the extracted carotenoid(s) against P. falciparum. Biol Futur 2021; 72:325-337. [PMID: 34554551 DOI: 10.1007/s42977-021-00081-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 03/08/2021] [Indexed: 12/01/2022]
Abstract
Plasmodial resistance to a variety of plant-based antimalarial drugs has led toward the discovery of more effective antimalarial compounds having chemical or biological origin. Since natural compounds are considered as safer drugs, in this study, yeast strains were identified and compared for the production of carotenoids that are well-known antioxidants and this metabolite was tested for its antiparasitic activity. Plasmodium falciparum 3D7 strain was selected as the target parasite for evaluation of antimalarial activity of yeast carotenoids using in vitro studies. Data were analyzed by FACS (fluorescence-activated cell sorter) and counted via gold standard Giemsa-stained smears. The extracted yeast carotenoids showed a profound inhibitory effect at a concentration of 10-3 µg/µl and 10-4 µg/µl when compared to β- carotene as control. SYBR Green1 fluorescent dye was used to confirm the decrease in parasitaemia at given range of concentration. Egress assay results suggested that treated parasite remained stalled at schizont stage with constricted morphology and were darkly stained. Non-toxicity of carotenoids on erythrocytes and on human liver hepatocellular carcinoma cells (HepG2 cells) was shown at a given concentration. This report provides strong evidence for antimalarial effects of extracted yeast carotenoids, which can be produced via a sustainable and cost-effective strategy and may be scaled up for industrial application.
Collapse
Affiliation(s)
- Sweta Sinha
- Amity Institute of Biotechnology, Amity University, Uttar Pradesh (AUUP), Noida, 201313, India
| | - Amrita Chakrabarti
- Shiv Nadar University, NH-91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh, 201314, India
| | - Gunjan Singh
- Amity Institute of Biotechnology, Amity University, Uttar Pradesh (AUUP), Noida, 201313, India
| | - Kukkala Kiran Kumar
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Naseem A Gaur
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Anju Arora
- ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India
| | | | - Shailja Singh
- Jawaharlal Nehru University, New Mehrauli Road, New Delhi, 110067, India.
| | - Debarati Paul
- Amity Institute of Biotechnology, Amity University, Uttar Pradesh (AUUP), Noida, 201313, India.
| |
Collapse
|
8
|
Draft Genome Sequence of Streptomyces Strain SJ1-7, a Soil Bacterial Isolate. Microbiol Resour Announc 2021; 10:10/10/e01283-20. [PMID: 33707334 PMCID: PMC7953297 DOI: 10.1128/mra.01283-20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The draft genome sequence of Streptomyces sp. strain SJ1-7, a bacterial strain isolated from the rhizosphere of a Pinus densiflora plant, is reported. The whole-genome assembly comprised 7.9 Mbp, with a GC content of 71.80% and 4,262 predicted protein-coding genes. The draft genome sequence of Streptomyces strain SJ1-7, a bacterial strain isolated from the rhizosphere of a Pinus densiflora plant, is reported. The whole-genome assembly comprised 7.9 Mbp, with a GC content of 71.80% and 4,262 predicted protein-coding genes.
Collapse
|
9
|
Chan-Bacab MJ, Reyes-Estebanez MM, Camacho-Chab JC, Ortega-Morales BO. Microorganisms as a Potential Source of Molecules to Control Trypanosomatid Diseases. Molecules 2021; 26:molecules26051388. [PMID: 33806654 PMCID: PMC7962016 DOI: 10.3390/molecules26051388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/25/2021] [Accepted: 03/01/2021] [Indexed: 11/17/2022] Open
Abstract
Trypanosomatids are the causative agents of leishmaniasis and trypanosomiasis, which affect about 20 million people in the world’s poorest countries, leading to 95,000 deaths per year. They are often associated with malnutrition, weak immune systems, low quality housing, and population migration. They are generally recognized as neglected tropical diseases. New drugs against these parasitic protozoa are urgently needed to counteract drug resistance, toxicity, and the high cost of commercially available drugs. Microbial bioprospecting for new molecules may play a crucial role in developing a new generation of antiparasitic drugs. This article reviews the current state of the available literature on chemically defined metabolites of microbial origin that have demonstrated antitrypanosomatid activity. In this review, bacterial and fungal metabolites are presented; they originate from a range of microorganisms, including cyanobacteria, heterotrophic bacteria, and filamentous fungi. We hope to provide a useful overview for future research to identify hits that may become the lead compounds needed to accelerate the discovery of new drugs against trypanosomatids.
Collapse
|
10
|
Chung B, Kwon OS, Shin J, Oh KB. Antibacterial Activity and Mode of Action of Lactoquinomycin A from Streptomyces bacillaris. Mar Drugs 2020; 19:md19010007. [PMID: 33374224 PMCID: PMC7823745 DOI: 10.3390/md19010007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 12/19/2020] [Accepted: 12/23/2020] [Indexed: 12/27/2022] Open
Abstract
This study aims to isolate and identify the structure of antibacterial compounds having potent activity on methicillin-resistant Staphylococcus aureus (MRSA) from marine actinomycetes, and also to identify their mode of action. Lactoquinomycin A (LQM-A) (compound 1) and its derivatives (2–4) were isolated from marine-derived Streptomyces bacillaris strain MBTC38, and their structures were determined using extensive spectroscopic methods. These compounds showed potent antibacterial activities against Gram-positive bacteria, with MIC values of 0.06–4 μg/mL. However, the tested compounds exhibited weak inhibitory activity against Gram-negative bacteria, although they were effective against Salmonella enterica (MIC = 0.03–1 μg/mL). LQM-A exhibited the most significant inhibitory activity against methicillin-resistant Staphylococcus aureus (MRSA) (MIC = 0.25–0.5 μg/mL), with a low incidence of resistance. An in vivo dual-reporter assay designed to distinguish between compounds that inhibit translation and those that induce DNA damage was employed to assess the mode of action of LQM-A. LQM-A-induced DNA damage and did not inhibit protein synthesis. The gel mobility shift assay showed that LQM-A switched plasmid DNA from the supercoiled to relaxed form in a time- and concentration-dependent manner. These data suggest that LQM-A intercalated into double-stranded DNA and damaged DNA repair.
Collapse
Affiliation(s)
- Beomkoo Chung
- Department of Agricultural Biotechnology, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea;
| | - Oh-Seok Kwon
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Korea;
| | - Jongheon Shin
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Korea;
- Correspondence: (J.S.); (K.-B.O.); Tel.: +82-2-880-2484 (J.S.); +82-2-880-4646 (K.-B.O.)
| | - Ki-Bong Oh
- Department of Agricultural Biotechnology, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea;
- Correspondence: (J.S.); (K.-B.O.); Tel.: +82-2-880-2484 (J.S.); +82-2-880-4646 (K.-B.O.)
| |
Collapse
|
11
|
Leesombun A, Iijima M, Pagmadulam B, Orkhon B, Doi H, Issiki K, Sawa R, Nihei CI, Nishikawa Y. Metacytofilin has potent anti-malarial activity. Parasitol Int 2020; 81:102267. [PMID: 33307212 DOI: 10.1016/j.parint.2020.102267] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 11/18/2020] [Accepted: 12/04/2020] [Indexed: 11/15/2022]
Abstract
Metacytofilin (MCF) was isolated from the fungus Metarhizium sp. TA2759. Although MCF possesses anti-Toxoplasma activity, the effects of this compound against other parasites are unknown. Here, we evaluated the in vitro anti-malarial activity of MCF against the 3D7 strain and the chloroquine-resistant K1 strain of Plasmodium falciparum. The half maximal inhibitory concentrations (IC50) of MCF against the 3D7 and K-1 strains following culture for 48 h were 666 nM and 605 nM, respectively. Artemisinin was more potent than MCF against both strains (3D7 IC50: 17.4 nM; K-1 IC50: 18.3 nM), while chloroquine was ineffective against the chloroquine-resistant strain (3D7 IC50: 39.1 nM; K-1 IC50: 1.62 μM). MCF affected the ring stage of the parasites, resulting in their death as shown by spots within red blood cells. MCF also inhibited parasite growth following culture for 72 h (3D7 IC50, 285 nM). Four optical isomers of cyclo[Leu-Phe]-diketopiperazine derivatives with modified methoxy and/or hydroxyl groups lost anti-malarial activity, suggesting that the spatial positions of the methoxy and hydroxyl groups in MCF play an important role in its anti-malarial effects. Together, these data suggest that MCF may represent a promising lead compound for treatment of drug-resistant malarial parasites.
Collapse
Affiliation(s)
- Arpron Leesombun
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555, Japan; Department of Pre-clinical and Applied Animal Science, Faculty of Veterinary Science, Mahidol University, 999 Phutthamonthon Sai 4 Road Salaya, Phutthamonthon Nakhonpathom 73170, Thailand
| | - Masatomi Iijima
- Institute of Microbial Chemistry (BIKAKEN), Shizuoka 410-0301, Japan
| | - Baldorj Pagmadulam
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555, Japan
| | - Banzragchgarav Orkhon
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555, Japan
| | - Hiroyasu Doi
- Institute of Microbial Chemistry (BIKAKEN), Shizuoka 410-0301, Japan
| | - Kunio Issiki
- Institute of Microbial Chemistry (BIKAKEN), Shinagawa, Tokyo 141-0021, Japan
| | - Ryuichi Sawa
- Institute of Microbial Chemistry (BIKAKEN), Shinagawa, Tokyo 141-0021, Japan
| | - Coh-Ichi Nihei
- Institute of Microbial Chemistry (BIKAKEN), Shinagawa, Tokyo 141-0021, Japan.
| | - Yoshifumi Nishikawa
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555, Japan.
| |
Collapse
|
12
|
Draft Genome Sequence of Streptomyces sp. Strain BR123, Endowed with Broad-Spectrum Antimicrobial Potential. Microbiol Resour Announc 2020; 9:9/41/e00972-20. [PMID: 33033135 PMCID: PMC7545289 DOI: 10.1128/mra.00972-20] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The genome of Streptomyces sp. strain BR123, isolated from rhizospheric soil that exhibited promising antimicrobial properties, was sequenced and assembled. Here, we report an 8,157,040-bp genome sequence with a G+C content of 72.63%. This genome sequence enlightens the genes responsible for the production of secondary metabolites and antimicrobial compounds by this strain. The genome of Streptomyces sp. strain BR123, isolated from rhizospheric soil that exhibited promising antimicrobial properties, was sequenced and assembled. Here, we report an 8,157,040-bp genome sequence with a G+C content of 72.63%. This genome sequence enlightens the genes responsible for the production of secondary metabolites and antimicrobial compounds by this strain.
Collapse
|
13
|
P M, D CD, Mostafa AA, Alsamhary KI, Abdel-Raouf N, Nageh Sholkamy E. Antimicrobial efficacy of Nocardiopsis sp. MK_MSt033 against selected multidrug resistant clinical microbial pathogens. J Infect Public Health 2020; 13:1522-1532. [PMID: 32646772 DOI: 10.1016/j.jiph.2020.06.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 06/11/2020] [Accepted: 06/18/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Actinomycetes show an active role in microbial disease control and antimicrobial metabolism production and were shown the greatest potentialities as sources of antimicrobial agents. The past few decades, an extensive literature has accumulated on the production of bioactive compounds from actinomycetes, particularily genus Streptomyces. METHODS The actinomycetes were isolated with starch casein nitrate (SCN) agar medium. The prospective isolate was subjected to antimicrobial metabolites production. Further, the bio-extract was evaluated their biological properites by agar well diffusion assay and finally the extract was anaylized through GC-MS. RESULTS In the present study, isolated 9 actinomycetes and the isolates were examined for their antifungal activities. Of these nine isolates, the isolate MK_MSt033 picked out from the rest, hences, it showed significant control towards the selected microbial pathogens. The prospective strain MK_MSt033 was determined as Nocardiopsis sp. The strain displayed effective antimicrobial activities against both bacterial and fungal pathgoens such as Escherichia coli, Staphylococcus aureus, Pencillium sp., and Aspergillus flavus respectively. Subsequently the chemical nature of the compounds produced by the potential isolate MK_MSt033 and it was successfully determined by GC-MS and it were 18 compounds with different retention time. CONCLUSION The identified isolate Nocardiopsis sp. MK_MSt033 exhibited potential antimicrobial activities against selected microbial pathogens. Thus, the soil inhabiting Nocardiopsis sp. has explored for pharmaceutically active compounds with promising medical applications.
Collapse
Affiliation(s)
- Muthukrishnan P
- Department of Microbiology, P.S.G. College of Arts and Science, Coimbatore 641 014, Tamil Nadu, India
| | - Chithra Devi D
- Department of Microbiology, P.S.G. College of Arts and Science, Coimbatore 641 014, Tamil Nadu, India
| | - Ashraf A Mostafa
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Khawla Ibrahim Alsamhary
- Department of Biology, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Neveen Abdel-Raouf
- Department of Biology, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia; Botany and Microbiology Department, Faculty of Science, Beni-Seuf University, Beni-Seuf 65211, Egypt
| | - Essam Nageh Sholkamy
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia.
| |
Collapse
|