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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.
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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
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Saadatpour F, Nikzad MH, Salimi F, Mohammadipanah F. Mining the soil myxobacteria and finding sources of anti-diabetic metabolites. Folia Microbiol (Praha) 2024; 69:109-119. [PMID: 37477787 DOI: 10.1007/s12223-023-01074-8] [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: 01/08/2023] [Accepted: 06/27/2023] [Indexed: 07/22/2023]
Abstract
Secondary metabolites produced by myxobacterial genera are often characterized as diverse molecules with unique structural properties which drove us to search for myxobacterial source of anti-diabetic drug discovery. In the present study, from 80 soil samples, out of sixty-five observed isolates, 30 and 16 were purified as Myxococcus and non-Myxococcus, respectively. Isolated strains taxonomically belonged to the genera Myxococcus, Corallococcus and Cystobacter, Archangium, Nanocystis, and Sorangium, and some could not be attributed. Secondary metabolites of selected non-Myxococcus isolates extracted by the liquid-liquid method showed that the myxobacterium UTMC 4530 demonstrated the highest inhibition on the formation of carbonyl group and fructosamine, respectively. In addition, it showed 23% and 15.8% inhibitory activity on α-glucosides and α-amylase compared to acarbose (23%, 18%), respectively. The extract of strain UTMC 4530 showed 35% induction effect on glucose adsorption while showing no radical scavenging activity and no toxic effect on HRBC lysis and HepG2 in cytotoxicity assays. The strain UTMC 4530 (ON808962), with the multiple antidiabetic activity, showed 87.3% similarity to Corallococcus llansteffanensis which indicates its affiliation to a new genus. The results of this study revealed that secondary metabolites produced by strain UTMC 4530 can be considered a promising source to find new therapeutic and pharmaceutical applications perhaps a multi-mechanism anti-diabetic compound.
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Affiliation(s)
- Fatemeh Saadatpour
- Pharmaceutial Biotechnology Lab, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran
| | - Mohammad Hossain Nikzad
- Pharmaceutial Biotechnology Lab, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran
| | - Fatemeh Salimi
- Department of Cellular and Molecular Biology, School of Biology, Damghan University, Damghan, Iran
| | - Fatemeh Mohammadipanah
- Pharmaceutial Biotechnology Lab, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran.
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Chang YB, Jung EJ, Suh HJ, Choi HS. Protective Effects of Whey Protein Hydrolysate, Treadmill Exercise, and Their Combination against Scopolamine-Induced Cognitive Deficit in Mice. Foods 2023; 12:4428. [PMID: 38137233 PMCID: PMC10742977 DOI: 10.3390/foods12244428] [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: 11/12/2023] [Revised: 12/01/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
In this study, the potential of whey protein hydrolysate (WPH) and treadmill exercise to prevent cognitive decline was investigated, along with their neuroprotective mechanisms. Cognitive dysfunction was induced in mice with 1 mg/kg of scopolamine, followed by the administration of WPH at 100 and 200 mg/kg and/or treadmill exercise at 15 m/min for 30 min five days per week. Both WPH administration and treadmill exercise significantly improved the memory of mice with scopolamine-induced cognitive impairment, which was attributed to several key mechanisms, including a reduction in oxidative stress based on decreased levels of reactive oxygen species and malondialdehyde in the brain tissue and an increase in acetylcholine by increasing choline acyltransferase and decreasing acetylcholine esterase levels. Exercise and WPH also exerted neuroprotective effects by inhibiting the hyperphosphorylation of tau proteins, enhancing the expression of the brain-derived neurotrophic factor, and inhibiting apoptosis by reducing the Bax/Bcl2 ratio in conjunction with the downregulation of the mitogen-activated protein kinase pathway. Moreover, the impact of WPH and treadmill exercise extended to the gut microbiome, suggesting a potential link with cognitive improvement. These findings suggest that both WPH intake and treadmill exercise are effective strategies for mitigating cognitive impairment, providing promising avenues for treating neurodegenerative diseases.
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Affiliation(s)
- Yeok Boo Chang
- Department of Integrated Biomedical and Life Science, Graduate School, Korea University, Seoul 02841, Republic of Korea;
- Transdisciplinary Major in Learning Health Systems, Graduate School, Korea University, Seoul 02841, Republic of Korea
| | - Eun-Jin Jung
- Department of Food and Biotechnology, Korea University, Sejong 30019, Republic of Korea;
| | - Hyung Joo Suh
- Department of Integrated Biomedical and Life Science, Graduate School, Korea University, Seoul 02841, Republic of Korea;
- Transdisciplinary Major in Learning Health Systems, Graduate School, Korea University, Seoul 02841, Republic of Korea
| | - Hyeon-Son Choi
- Department of Food Nutrition, Sangmyung University, Seoul 03016, Republic of Korea
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Alharbi MA, Alrehaili AA, Albureikan MOI, Gharib AF, Daghistani H, Bakhuraysah MM, Aloraini GS, Bazuhair MA, Alhuthali HM, Ghareeb A. In vitro studies on the pharmacological potential, anti-tumor, antimicrobial, and acetylcholinesterase inhibitory activity of marine-derived Bacillus velezensis AG6 exopolysaccharide. RSC Adv 2023; 13:26406-26417. [PMID: 37671337 PMCID: PMC10476021 DOI: 10.1039/d3ra04009g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/22/2023] [Indexed: 09/07/2023] Open
Abstract
In the current study, Bacillus velezensis AG6 was isolated from sediment samples in the Red Sea, identified by traditional microbiological techniques and phylogenetic 16S rRNA sequences. Among eight isolates screened for exopolysaccharide (EPS) production, the R6 isolate was the highest producer with a significant fraction of EPS (EPSF6, 5.79 g L-1). The EPSF6 molecule was found to have a molecular weight (Mw) of 2.7 × 104 g mol-1 and a number average (Mn) of 2.6 × 104 g mol-1 when it was analyzed using GPC. The FTIR spectrum indicated no sulfate but uronic acid (43.8%). According to HPLC, the EPSF6 fraction's monosaccharides were xylose, galactose, and galacturonic acid in a molar ratio of 2.0 : 0.5 : 2.0. DPPH, H2O2, and ABTS tests assessed EPSF6's antioxidant capabilities at 100, 300, 500, 1000, and 1500 μg mL-1 for 15, 60, 45, and 60 minutes. The overall antioxidant activities were dose- and time-dependently increased, and improved by increasing concentrations from 100 to 1500 μg mL-1 after 60 minutes and found to be 91.34 ± 1.1%, 80.20 ± 1.4% and 75.28 ± 1.1% respectively. Next, EPSF6 displayed considerable inhibitory activity toward the proliferation of six cancerous cell lines. Anti-inflammatory tests were performed using lipoxygenase (5-LOX) and cyclooxygenase (COX-2). An MTP turbidity assay method was applied to show the ability of EPSF6 to inhibit Gram-positive bacteria, Gram-negative bacteria, and antibiofilm formation. Together, this study sheds light on the potential pharmacological applications of a secondary metabolite produced by marine Bacillus velezensis AG6. Its expected impact on human health will increase as more research and studies are conducted globally.
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Affiliation(s)
- Maha A Alharbi
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University P.O. Box 84428 Riyadh 11671 Saudi Arabia
| | - Amani A Alrehaili
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University P.O. Box 11099 Taif 21944 Saudi Arabia
| | - Mona Othman I Albureikan
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Amal F Gharib
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University P.O. Box 11099 Taif 21944 Saudi Arabia
| | - Hussam Daghistani
- Department of Clinical Biochemistry, Faculty of Medicine, King Abdulaziz University Jeddah 21589 Saudi Arabia
- Regenerative Medicine Unit, King Fahd Medical Research Center, King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Maha M Bakhuraysah
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University P.O. Box 11099 Taif 21944 Saudi Arabia
| | - Ghfren S Aloraini
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University Al-Kharj 11942 Saudi Arabia
| | - Mohammed A Bazuhair
- Department of Clinical Pharmacology, Faculty of Medicine, King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Hayaa M Alhuthali
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University P.O. Box 11099 Taif 21944 Saudi Arabia
| | - Ahmed Ghareeb
- Botany and Microbiology Department, Faculty of Science, Suez Canal University Ismailia 41522 Egypt
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Ashok GC, Prakash Pradhan S, Kumar Karki K, Khadka A, Bhandari A, Prasad Pandey B. Antioxidant and Enzyme Inhibitory Potential of Streptomyces sp. G-18 Grown in Various Media. Int J Microbiol 2023; 2023:6439466. [PMID: 37583475 PMCID: PMC10425256 DOI: 10.1155/2023/6439466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 04/14/2023] [Accepted: 07/19/2023] [Indexed: 08/17/2023] Open
Abstract
Streptomyces are bacteria well known for producing bioactive secondary metabolites which are commonly found in diverse habitats. The biosynthesis of metabolites from Streptomyces is influenced by various factors such as the growth medium, environmental conditions, and gene regulation. This study aimed to investigate the influence of different growth media on biomass production and the antioxidant and enzyme inhibitory potential of a crude extract obtained from Streptomyces sp. G-18 isolated from high altitudinal soil of Nepal. The highest dry weight growth was observed in R2YE medium (184 mg/L), followed by R5 (144 mg/L), YEME (38 mg/L), and R5M media (30 mg/L). The crude extract showed notable antioxidant activities against free radicals. The highest alpha-amylase inhibition was observed in the R2YE medium, and worthy lipase and tyrosinase inhibition was observed in the YEME medium. However, only the R2YE medium exhibited inhibitory potential against elastase and acetylcholinesterase, while crude extracts from R5, YEME, and R5 modified did not show any such activity. Overall, our findings suggest that the production of bioactive secondary metabolites in Streptomyces sp. G-18 was significantly influenced by the growth medium. This strain may be a promising source of enzyme inhibitors with potential applications in the pharmaceutical and cosmetic industries.
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Affiliation(s)
- G. C. Ashok
- Department of Chemical Science and Engineering, Kathmandu University, Dhulikhel, Nepal
| | | | - Krishna Kumar Karki
- Department of Chemical Science and Engineering, Kathmandu University, Dhulikhel, Nepal
| | - Aakriti Khadka
- Department of Chemical Science and Engineering, Kathmandu University, Dhulikhel, Nepal
| | - Aishwarya Bhandari
- Department of Chemical Science and Engineering, Kathmandu University, Dhulikhel, Nepal
| | - Bishnu Prasad Pandey
- Department of Chemical Science and Engineering, Kathmandu University, Dhulikhel, Nepal
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Nguyen TH, Wang SL, Nguyen VB. Microorganism-Derived Molecules as Enzyme Inhibitors to Target Alzheimer's Diseases Pathways. Pharmaceuticals (Basel) 2023; 16:ph16040580. [PMID: 37111337 PMCID: PMC10146315 DOI: 10.3390/ph16040580] [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: 03/11/2023] [Revised: 04/10/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Alzheimer's disease (AD) is the most common form of dementia. It increases the risk of other serious diseases and causes a huge impact on individuals, families, and socioeconomics. AD is a complex multifactorial disease, and current pharmacological therapies are largely based on the inhibition of enzymes involved in the pathogenesis of AD. Natural enzyme inhibitors are the potential sources for targeting AD treatment and are mainly collected from plants, marine organisms, or microorganisms. In particular, microbial sources have many advantages compared to other sources. While several reviews on AD have been reported, most of these previous reviews focused on presenting and discussing the general theory of AD or overviewing enzyme inhibitors from various sources, such as chemical synthesis, plants, and marine organisms, while only a few reviews regarding microbial sources of enzyme inhibitors against AD are available. Currently, multi-targeted drug investigation is a new trend for the potential treatment of AD. However, there is no review that has comprehensively discussed the various kinds of enzyme inhibitors from the microbial source. This review extensively addresses the above-mentioned aspect and simultaneously updates and provides a more comprehensive view of the enzyme targets involved in the pathogenesis of AD. The emerging trend of using in silico studies to discover drugs concerning AD inhibitors from microorganisms and perspectives for further experimental studies are also covered here.
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Affiliation(s)
- Thi Hanh Nguyen
- Doctoral Program in Applied Sciences, Tamkang University, New Taipei City 25137, Taiwan
- Department of Chemistry, Tamkang University, New Taipei City 25137, Taiwan
| | - San-Lang Wang
- Department of Chemistry, Tamkang University, New Taipei City 25137, Taiwan
| | - Van Bon Nguyen
- Institute of Biotechnology and Environment, Tay Nguyen University, Buon Ma Thuot 630000, Vietnam
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Whey Protein Hydrolysate Renovates Age-Related and Scopolamine-Induced Cognitive Impairment. Nutrients 2023; 15:nu15051228. [PMID: 36904228 PMCID: PMC10005054 DOI: 10.3390/nu15051228] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/24/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023] Open
Abstract
Whey protein and its hydrolysates are ubiquitously applied in the food system. However, their effect on cognitive impairment remains unclear. This study aimed to investigate the potential ability of whey protein hydrolysate (WPH) to ameliorate cognitive degeneration. WPH intervention in Crl:CD1 (ICR, Institute for cancer research) mice and aged C57BL/6J mice in a scopolamine-induced cognitive impairment model for 10 days were evaluated. Behavioral tests indicated that WPH intervention improved the cognitive abilities in ICR and aged C57BL/6J mice (p < 0.05). Scopolamine enhanced the Aβ1-42 level in the brain tissue, and the WPH intervention exhibited a similar therapeutic effect to donepezil in ICR mice. A noticeable reduction occurred in serum Aβ1-42 level of aged mice treated with WPH. The histopathological study of the hippocampus showed that WPH intervention alleviates neuronal damage. Hippocampus proteomic analysis suggested possible mechanisms of WPH action. The relative abundance of Christensenellaceae, a gut microbe related to Alzheimer's disease, was altered by WPH intervention. This study demonstrated that short-term WPH intake protected against memory impairment induced by scopolamine and aging.
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Alshawwa SZ, Alshallash KS, Ghareeb A, Elazzazy AM, Sharaf M, Alharthi A, Abdelgawad FE, El-Hossary D, Jaremko M, Emwas AH, Helmy YA. Assessment of Pharmacological Potential of Novel Exopolysaccharide Isolated from Marine Kocuria sp. Strain AG5: Broad-Spectrum Biological Investigations. Life (Basel) 2022; 12:life12091387. [PMID: 36143424 PMCID: PMC9504734 DOI: 10.3390/life12091387] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/26/2022] [Accepted: 08/29/2022] [Indexed: 12/24/2022] Open
Abstract
With more than 17 clinically approved Drugs and over 20 prodrugs under clinical investigations, marine bacteria are believed to have a potential supply of innovative therapeutic bioactive compounds. In the current study, Kocuria sp. strain AG5 isolated from the Red Sea was identified and characterized by biochemical and physiological analysis, and examination of a phylogenetic 16S rRNA sequences. Innovative exopolysaccharide (EPS) was separated from the AG5 isolate as a major fraction of EPS (EPSR5, 6.84 g/L−1). The analysis of EPSR5 revealed that EPSR5 has a molecular weight (Mw) of 4.9 × 104 g/mol and number average molecular weight (Mn) of 5.4 × 104 g/mol and contains sulfate (25.6%) and uronic acid (21.77%). Analysis of the monosaccharide composition indicated that the EPSR5 fraction composes of glucose, galacturonic acid, arabinose, and xylose in a molar ratio of 2.0:0.5:0.25:1.0, respectively. Assessment of the pharmacological potency of EPSR5 was explored by examining its cytotoxicity, anti-inflammatory, antioxidant, and anti-acetylcholine esterase influences. The antioxidant effect of EPSR5 was dose- and time-dependently increased and the maximum antioxidant activity (98%) was observed at 2000 µg/mL after 120 min. Further, EPSR5 displayed a significant repressive effect regarding the proliferation of HepG-2, A-549, HCT-116, MCF7, HEP2, and PC3 cells with IC50 453.46 ± 21.8 µg/mL, 873.74 ± 15.4 µg/mL, 788.2 ± 32.6 µg/mL, 1691 ± 44.2 µg/mL, 913.1 ± 38.8 µg/mL, and 876.4 ± 39.8 µg/mL, respectively. Evaluation of the inhibitory activity of the anti-inflammatory activity of EPSR5 indicated that EPSR5 has a significant inhibitory activity toward lipoxygenase (5-LOX) and cyclooxygenase (COX-2) activities (IC50 15.39 ± 0.82 µg/mL and 28.06 ± 1.1 µg/mL, respectively). Finally, ESPR5 presented a substantial hemolysis suppressive action with an IC50 of 65.13 ± 0.89 µg /mL, and a considerable inhibitory activity toward acetylcholine esterase activity (IC50 797.02 μg/mL). Together, this study reveals that secondary metabolites produced by Kocuria sp. strain AG5 marine bacteria serve as an important source of pharmacologically active compounds, and their impact on human health is expected to grow with additional global work and research.
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Affiliation(s)
- Samar Zuhair Alshawwa
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Khalid S. Alshallash
- College of Science and Humanities—Huraymila, Imam Mohammed Bin Saud Islamic University (IMSIU), Riyadh Province, Riyadh 11432, Saudi Arabia
| | - Ahmed Ghareeb
- Botany and Microbiology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Ahmed M. Elazzazy
- National Research Centre, Department of Chemistry of Natural and Microbial Products, Division of Pharmaceutical and Drug Industries, Cairo 12622, Egypt
| | - Mohamed Sharaf
- Department of Biochemistry, Faculty of Agriculture, AL-Azhar University, Cairo 11751, Egypt
| | - Afaf Alharthi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif 21944, Saudi Arabia
| | - Fathy Elsayed Abdelgawad
- Medical Biochemistry Department, Faculty of Medicine, Al-Azhar University, Cairo 11651, Egypt
- Chemistry Department, Faculty of Science, Islamic University of Madinah, Madinah 42351, Saudi Arabia
| | - Dalia El-Hossary
- Medical Microbiology and Immunology Department, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt
| | - Mariusz Jaremko
- Smart-Health Initiative and Red Sea Research Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, P.O. Box 4700, Thuwal 23955-6900, Saudi Arabia
| | - Abdul-Hamid Emwas
- Core Labs, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Yosra A. Helmy
- Department of Animal Hygiene, Zoonoses and Animal Ethology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
- Department of Veterinary Science, College of Agriculture, Food, and Environment, University of Kentucky, Lexington, KY 40503, USA
- Correspondence:
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Review Marine Pharmacology in 2018: Marine Compounds with Antibacterial, Antidiabetic, Antifungal, Anti-Inflammatory, Antiprotozoal, Antituberculosis and Antiviral Activities; Affecting the Immune and Nervous Systems, and other Miscellaneous Mechanisms of Action. Pharmacol Res 2022; 183:106391. [DOI: 10.1016/j.phrs.2022.106391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 11/18/2022]
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Tunca Koyun M, Sirin S, Aslim B, Taner G, Nigdelioglu Dolanbay S. Characterization of prodigiosin pigment by Serratia marcescens and the evaluation of its bioactivities. Toxicol In Vitro 2022; 82:105368. [PMID: 35476923 DOI: 10.1016/j.tiv.2022.105368] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 04/13/2022] [Accepted: 04/20/2022] [Indexed: 11/19/2022]
Abstract
The aim of the present study is to discover a bacterial pigment providing protection and prevention of neurological damage and cancer development, which can have a role as a non-synthetic food additive in the food industry as well as an active drug ingredient of anticancer drugs and pharmaceuticals for neural injury. Within this scope, Serratia marcescens MB703 strain was used to produce prodigiosin. Characterization of the prodigiosin was carried out using UV-VIS, and FT-IR. In addition, its inhibitory action on AChE and antioxidant activities were determined. The cytotoxic, genotoxic and antigenotoxic activities of the prodigiosin as well as its antiproliferative activities were detected. It was determined that the maximum production of the prodigiosin (72 mg/L). The prodigiosin was found to cause no significant difference in its inhibitory effect on AChE. The prodigiosin was found effective on all antioxidant parameters tested. The IC50 values of the prodigiosin on SK-MEL-30 and HT-29 cells were calculated as 70 and 47 μM, respectively. This IC50 values of the prodigiosin showed no cytotoxic effect on L929 cells. Prodigiosin did not have genotoxic effect alone and also seem to decrease DNA damage induced by H2O2 in L929 cells. The findings of in vitro experimental studies suggest that using the prodigiosin pigment as a drug candidate for cancer and neurodegenerative disease therapy is both effective and safe.
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Affiliation(s)
- Merve Tunca Koyun
- Department of Biology, Faculty of Science, Gazi University, 06500 Teknikokullar, Ankara, Turkey; Department of Bioengineering, Faculty of Engineering and Natural Sciences, Bursa Technical University, Bursa, Turkey.
| | - Seda Sirin
- Department of Biology, Faculty of Science, Gazi University, 06500 Teknikokullar, Ankara, Turkey
| | - Belma Aslim
- Department of Biology, Faculty of Science, Gazi University, 06500 Teknikokullar, Ankara, Turkey
| | - Gokce Taner
- Department of Bioengineering, Faculty of Engineering and Natural Sciences, Bursa Technical University, Bursa, Turkey
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Karthikeyan A, Joseph A, Nair BG. Promising bioactive compounds from the marine environment and their potential effects on various diseases. J Genet Eng Biotechnol 2022; 20:14. [PMID: 35080679 PMCID: PMC8790952 DOI: 10.1186/s43141-021-00290-4] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 12/17/2021] [Indexed: 12/30/2022]
Abstract
Background The marine environment hosts a wide variety of species that have evolved to live in harsh and challenging conditions. Marine organisms are the focus of interest due to their capacity to produce biotechnologically useful compounds. They are promising biocatalysts for new and sustainable industrial processes because of their resistance to temperature, pH, salt, and contaminants, representing an opportunity for several biotechnological applications. Encouraged by the extensive and richness of the marine environment, marine organisms’ role in developing new therapeutic benefits is heading as an arable field. Main body of the abstract There is currently much interest in biologically active compounds derived from natural resources, especially compounds that can efficiently act on molecular targets, which are involved in various diseases. Studies are focused on bacteria and fungi, isolated from sediments, seawater, fish, algae, and most marine invertebrates such as sponges, mollusks, tunicates, coelenterates, and crustaceans. In addition to marine macro-organisms, such as sponges, algae, or corals, marine bacteria and fungi have been shown to produce novel secondary metabolites (SMs) with specific and intricate chemical structures that may hold the key to the production of novel drugs or leads. The marine environment is known as a rich source of chemical structures with numerous beneficial health effects. Presently, several lines of studies have provided insight into biological activities and neuroprotective effects of marine algae, including antioxidant, anti-neuroinflammatory, cholinesterase inhibitory activity, and neuronal death inhibition. Conclusion The application of marine-derived bioactive compounds has gained importance because of their therapeutic uses in several diseases. Marine natural products (MNPs) display various pharmaceutically significant bioactivities, including antibiotic, antiviral, neurodegenerative, anticancer, or anti-inflammatory properties. The present review focuses on the importance of critical marine bioactive compounds and their role in different diseases and highlights their possible contribution to humanity.
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Affiliation(s)
- Akash Karthikeyan
- School of Biotechnology, National Institute of Technology Calicut, Calicut, Kerala, India
| | - Abey Joseph
- School of Biotechnology, National Institute of Technology Calicut, Calicut, Kerala, India
| | - Baiju G Nair
- School of Biotechnology, National Institute of Technology Calicut, Calicut, Kerala, India. .,Nanomedical Engineering Laboratory, Riken, Wako, Saitama, Japan.
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Ji J, Yi X, Zhu Y, Yu H, Huang S, Liu Z, Zhang X, Xia G, Shen X. Tilapia Head Protein Hydrolysate Attenuates Scopolamine-Induced Cognitive Impairment through the Gut-Brain Axis in Mice. Foods 2021; 10:foods10123129. [PMID: 34945680 PMCID: PMC8701847 DOI: 10.3390/foods10123129] [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: 11/12/2021] [Revised: 12/08/2021] [Accepted: 12/14/2021] [Indexed: 01/09/2023] Open
Abstract
The destruction of the homeostasis in the gut-brain axis can lead to cognitive impairment and memory decline. Dietary intervention with bioactive peptides from aquatic products is an innovative strategy to prevent cognitive deficits. The present study aimed to determine the neuroprotective effect of tilapia head protein hydrolysate (THPH) on scopolamine-induced cognitive impairment in mice, and to further explore its mechanism through the microbiota–gut-brain axis. The results showed that THPH administration significantly improved the cognitive behavior of mice, and normalized the cholinergic system and oxidative stress system of the mice brain. The histopathological observation showed that THPH administration significantly reduced the pathological damage of hippocampal neurons, increased the number of mature neurons marked by NeuN and delayed the activation of astrocytes in the hippocampus of mice. In addition, THPH administration maintained the stability of cholinergic system, alleviated oxidative stress and further improved the cognitive impairment by reshaping the gut microbiota structure of scopolamine-induced mice and alleviating the disorder of lipid metabolism and amino acid metabolism in serum. In conclusion, our research shows that THPH supplementation is a nutritional strategy to alleviate cognitive impairment through the gut-brain axis.
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Affiliation(s)
- Jun Ji
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Haikou 570228, China; (J.J.); (X.Y.); (Y.Z.); (H.Y.); (S.H.); (Z.L.); (X.Z.); (G.X.)
- College of Food Science and Technology, Hainan University, Haikou 570228, China
| | - Xiangzhou Yi
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Haikou 570228, China; (J.J.); (X.Y.); (Y.Z.); (H.Y.); (S.H.); (Z.L.); (X.Z.); (G.X.)
- College of Food Science and Technology, Hainan University, Haikou 570228, China
| | - Yujie Zhu
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Haikou 570228, China; (J.J.); (X.Y.); (Y.Z.); (H.Y.); (S.H.); (Z.L.); (X.Z.); (G.X.)
- College of Food Science and Technology, Hainan University, Haikou 570228, China
| | - Hui Yu
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Haikou 570228, China; (J.J.); (X.Y.); (Y.Z.); (H.Y.); (S.H.); (Z.L.); (X.Z.); (G.X.)
- College of Food Science and Technology, Hainan University, Haikou 570228, China
| | - Shuqi Huang
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Haikou 570228, China; (J.J.); (X.Y.); (Y.Z.); (H.Y.); (S.H.); (Z.L.); (X.Z.); (G.X.)
- College of Food Science and Technology, Hainan University, Haikou 570228, China
| | - Zhongyuan Liu
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Haikou 570228, China; (J.J.); (X.Y.); (Y.Z.); (H.Y.); (S.H.); (Z.L.); (X.Z.); (G.X.)
- College of Food Science and Technology, Hainan University, Haikou 570228, China
- Collaborative Innovation Center of Marine Food Deep Processing, Dalian Polytechnic University, Dalian 116000, China
| | - Xueying Zhang
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Haikou 570228, China; (J.J.); (X.Y.); (Y.Z.); (H.Y.); (S.H.); (Z.L.); (X.Z.); (G.X.)
- College of Food Science and Technology, Hainan University, Haikou 570228, China
- Collaborative Innovation Center of Marine Food Deep Processing, Dalian Polytechnic University, Dalian 116000, China
| | - Guanghua Xia
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Haikou 570228, China; (J.J.); (X.Y.); (Y.Z.); (H.Y.); (S.H.); (Z.L.); (X.Z.); (G.X.)
- College of Food Science and Technology, Hainan University, Haikou 570228, China
- Collaborative Innovation Center of Marine Food Deep Processing, Dalian Polytechnic University, Dalian 116000, China
| | - Xuanri Shen
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Haikou 570228, China; (J.J.); (X.Y.); (Y.Z.); (H.Y.); (S.H.); (Z.L.); (X.Z.); (G.X.)
- College of Food Science and Technology, Hainan University, Haikou 570228, China
- Collaborative Innovation Center of Marine Food Deep Processing, Dalian Polytechnic University, Dalian 116000, China
- Correspondence: ; Tel./Fax: +86-0898-66193581
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Ryu MJ, Hillman PF, Lee J, Hwang S, Lee EY, Cha SS, Yang I, Oh DC, Nam SJ, Fenical W. Antibacterial Meroterpenoids, Merochlorins G-J from the Marine Bacterium Streptomyces sp. Mar Drugs 2021; 19:md19110618. [PMID: 34822489 PMCID: PMC8624273 DOI: 10.3390/md19110618] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 10/28/2021] [Accepted: 10/28/2021] [Indexed: 11/16/2022] Open
Abstract
Four new chlorinated meroterpenoids, merochlorins G-J (1-4), and 10, a dihydronaphthalenedione precursor, along with known merochlorins A (5) and C-F (6-9), were obtained from cultivation of the bacterium strain Streptomyces sp. CNH-189, which was isolated from marine sediment. The planar structures of compounds 1-4 and 10 were elucidated by interpretation of MS, UV, and NMR spectroscopic data. The relative configurations of compounds 1-4 were determined via analysis of nuclear Overhauser effect (NOE) spectroscopic data, after which their absolute configurations were established by comparing the experimental electronic circular dichroism (ECD) spectra of compounds 1-4 to those of previously reported possible enantiomer models and DP4 calculations. Compound 3 displayed strong antibacterial activities against Bacillus subtilis, Kocuria rhizophila, and Staphylococcus aureus, with MIC values of 1, 2, and 2 μg/mL, respectively, whereas compound 1 exhibited weak antibacterial effects on these three strains, with a 16-32 μg/mL MIC value range.
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Affiliation(s)
- Min-Ji Ryu
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea; (M.-J.R.); (P.F.H.); (J.L.); (E.-Y.L.); (S.-S.C.)
| | - Prima F. Hillman
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea; (M.-J.R.); (P.F.H.); (J.L.); (E.-Y.L.); (S.-S.C.)
| | - Jihye Lee
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea; (M.-J.R.); (P.F.H.); (J.L.); (E.-Y.L.); (S.-S.C.)
- Laboratories of Marine New Drugs, Redone Seoul, Seoul 08594, Korea
| | - Sunghoon Hwang
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Korea; (S.H.); (D.-C.O.)
| | - Eun-Young Lee
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea; (M.-J.R.); (P.F.H.); (J.L.); (E.-Y.L.); (S.-S.C.)
| | - Sun-Shin Cha
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea; (M.-J.R.); (P.F.H.); (J.L.); (E.-Y.L.); (S.-S.C.)
| | - Inho Yang
- Department of Convergence Study on the Ocean Science and Technology, Korea Maritime and Ocean University, Busan 49112, Korea;
| | - Dong-Chan Oh
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Korea; (S.H.); (D.-C.O.)
| | - Sang-Jip Nam
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea; (M.-J.R.); (P.F.H.); (J.L.); (E.-Y.L.); (S.-S.C.)
- Correspondence: (S.-J.N.); (W.F.)
| | - William Fenical
- Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093-0204, USA
- Correspondence: (S.-J.N.); (W.F.)
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14
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Fruit wrapping kraft coated paper promotes the isolation of actinobacteria using ex situ and in situ methods. Folia Microbiol (Praha) 2021; 66:1047-1054. [PMID: 34487325 DOI: 10.1007/s12223-021-00907-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 08/02/2021] [Indexed: 10/20/2022]
Abstract
Designing novel isolation methods could enhance the diversification of the available bacterial strains to biotechnology. In this study, the new ex situ and in situ cultivation methods are introduced for the isolation of actinobacteria. In the ex situ experiments, the soil suspension was spread on the isolation media located above some ordinary papers in immediate contact with the slurry of soil substrate and incubated for 16 weeks. The paper was wholly immersed in the cave soil for in situ cultivations, and the containers were buried under layers of soil in Hampoeil cave for 10 weeks. Fruit wrapping kraft coated paper, with 68.8% recovery of isolates, was a better choice in isolation of actinobacteria than other studied filter paper. Based on the molecular identification results, 19% of the isolates obtained from the in situ cultivation method had less than 98.5% similarity to known taxa of actinobacteria and potentially may represent new species. In contrast, in the standard cultivation method, 1.3% of the isolates had less than 98.5% similarity 16Sr RNA gene. This data shows that the introduced cultivation method is a promising technique for isolating less culturable or new actinobacteria.
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Bakhtiyarizadeh M, Mohammadipanah F, Ghasemi JB. In vitro and in silico pharmaceutical activities of the methylated cyclic pentapeptide, persipeptides. J Appl Microbiol 2021; 132:429-444. [PMID: 34297456 DOI: 10.1111/jam.15231] [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: 12/26/2020] [Revised: 05/20/2021] [Accepted: 07/01/2021] [Indexed: 11/27/2022]
Abstract
AIMS The persipeptides were recognized as a promising source of multiple pharmaceutical activities which were revealed following structure-activity prediction and examination in experimental analysis. METHODS AND RESULTS The profile of toxicity, antioxidant, anti-inflammatory, anti-diabetic and anti-ageing activity of persipeptides and the crude extract were evaluated experimentally. The pure Persipeptide A and B revealed a moderate xanthine oxidase inhibition activity at the concentration of 10 µg/ml. Persipeptide exhibited α-glucosidase inhibition activity (~10% inhibition) and less than 2% tyrosinase inhibition activity at the concentration of 10 µg/ml. The extract exhibited the inhibition of less than 2% acetylcholine esterase inhibition activity, but the pure persipeptide showed 6%-14% inhibition activity at the concentration of 10 µg/ml. The molecular docking analysis revealed that the activities of Persipeptide A and B are due to interaction with xanthin oxidase, α-amylase, α-glucosidase, tyrosinase and acetylcholine esterase enzymes. CONCLUSIONS The persipeptides showed a similar inhibition rate with positive control that might imply its potential as an anti-diabetic and anti-gout compound among. Only acetylcholine esterase inhibition of persipeptide was higher than the extract. The interacting amino acids of the molecules with different targets show that persipeptides might have antioxidant, anti-inflammatory, anti-diabetic, anti-ageing activity and even other potential pharmaceutical activities that were not investigated in this study. SIGNIFICANCE AND IMPACT OF THE STUDY This report was presented to find some new pharmaceutical activities of Persipeptide A and B including the α-glucosidase inhibition activity as a molecular target of diabetes mellitus. Persipeptides also exhibited an effective inhibition of xanthine oxidase (XO) which can be a drug-like candidate in the treatment of diseases associated with XO like gout. The binding values indicated the interaction of persipeptides with these enzymes.
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Affiliation(s)
- Maliheh Bakhtiyarizadeh
- Pharmaceutical Biotechnology Lab, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran
| | - Fatemeh Mohammadipanah
- Pharmaceutical Biotechnology Lab, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran
| | - Jahan B Ghasemi
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
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Wang Y, Shi J, Tang L, Zhang Y, Zhang Y, Wang X, Zhang X. Evaluation of Rpf protein of Micrococcus luteus for cultivation of soil actinobacteria. Syst Appl Microbiol 2021; 44:126234. [PMID: 34343788 DOI: 10.1016/j.syapm.2021.126234] [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: 05/03/2021] [Revised: 07/09/2021] [Accepted: 07/09/2021] [Indexed: 12/13/2022]
Abstract
Rpf protein, a kind of resuscitation promoting factor, was first found in the culture supernatant of Micrococcus luteus. It can resuscitate the growth of M. luteus in "viable but non-culture, VBNC" state and promote the growth of Gram-positive bacteria with high G + C content. This paper investigates the resuscitating activity of M. luteus ACCC 41016T Rpf protein, which was heterologously expressed in E. coli, to cells of M. luteus ACCC 41016T and Rhodococcus marinonascens HBUM200062 in VBNC state, and examines the effect on the cultivation of actinobacteria in soil. The results showed that the recombinant Rpf protein had resuscitation effect on M. luteus ACCC 41016T and R. marinonascens HBUM200062 in VBNC state. 83 strains of actinobacteria, which were distributed in 9 families and 12 genera, were isolated from the experimental group with recombinant Rpf protein in the culture medium. A total of 41 strains of bacteria, which were distributed in 8 families and 9 genera, were isolated from the control group without Rpf protein. The experimental group showed richer species diversity than the control group. Two rare actinobacteria, namely HBUM206391T and HBUM206404T, were obtained in the experimental group supplemented with Rpf protein. Both may be potential new species of Actinomadura and Actinokineospora, indicating that the recombinant expression of M. luteus ACCC 41016T Rpf protein can effectively promote the isolation and culture of actinobacteria in soil.
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Affiliation(s)
- Yuhui Wang
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Baoding 071002, PR China
| | - Jiangli Shi
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Baoding 071002, PR China
| | - Lingjie Tang
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Baoding 071002, PR China
| | - Yufan Zhang
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Baoding 071002, PR China
| | - Yujia Zhang
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Baoding 071002, PR China
| | - Xinyu Wang
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Baoding 071002, PR China
| | - Xiumin Zhang
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Baoding 071002, PR China.
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17
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Therapeutic applications and biological activities of bacterial bioactive extracts. Arch Microbiol 2021; 203:4755-4776. [PMID: 34370077 PMCID: PMC8349711 DOI: 10.1007/s00203-021-02505-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 07/24/2021] [Accepted: 07/27/2021] [Indexed: 02/07/2023]
Abstract
Bacteria are rich in a wide variety of secondary metabolites, such as pigments, alkaloids, antibiotics, and others. These bioactive microbial products serve a great application in human and animal health. Their molecular diversity allows these natural products to possess several therapeutic attributes and biological functions. That's why the current natural drug industry focuses on uncovering all the possible ailments and diseases that could be combated by bacterial extracts and their secondary metabolites. In this paper, we review the major utilizations of bacterial natural products for the treatment of cancer, inflammatory diseases, allergies, autoimmune diseases, infections and other diseases that threaten public health. We also elaborate on the identified biological activities of bacterial secondary metabolites including antibacterial, antifungal, antiviral and antioxidant activities all of which are essential nowadays with the emergence of drug-resistant microbial pathogens. Throughout this review, we discuss the possible mechanisms of actions in which bacterial-derived biologically active molecular entities could possess healing properties to inspire the development of new therapeutic agents in academia and industry.
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Piroozmand F, Mohammadipanah F, Faridbod F. Emerging biosensors in detection of natural products. Synth Syst Biotechnol 2020; 5:293-303. [PMID: 32954023 PMCID: PMC7484522 DOI: 10.1016/j.synbio.2020.08.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 08/23/2020] [Accepted: 08/25/2020] [Indexed: 01/10/2023] Open
Abstract
Natural products (NPs) are a valuable source in the food, pharmaceutical, agricultural, environmental, and many other industrial sectors. Their beneficial properties along with their potential toxicities make the detection, determination or quantification of NPs essential for their application. The advanced instrumental methods require time-consuming sample preparation and analysis. In contrast, biosensors allow rapid detection of NPs, especially in complex media, and are the preferred choice of detection when speed and high throughput are intended. Here, we review diverse biosensors reported for the detection of NPs. The emerging approaches for improving the efficiency of biosensors, such as microfluidics, nanotechnology, and magnetic beads, are also discussed. The simultaneous use of two detection techniques is suggested as a robust strategy for precise detection of a specific NP with structural complexity in complicated matrices. The parallel detection of a variety of NPs structures or biological activities in a mixture of extract in a single detection phase is among the anticipated future advancements in this field which can be achieved using multisystem biosensors applying multiple flow cells, sensing elements, and detection mechanisms on miniaturized folded chips.
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Affiliation(s)
- Firoozeh Piroozmand
- Pharmaceutical Biotechnology Lab, Department of Microbial Biotechnology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, 14155-6455, Tehran, Iran
| | - Fatemeh Mohammadipanah
- Pharmaceutical Biotechnology Lab, Department of Microbial Biotechnology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, 14155-6455, Tehran, Iran
| | - Farnoush Faridbod
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
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Wen-Xia H, Zhong-Wen H, Min J, Han Z, Wei-Ze L, Li-Bin Y, Fei L, Lu H, Ning Z, Xiao-Feng L. Five novel and highly efficient endophytic fungi isolated from Huperzia serrata expressing huperzine A for the treatment of Alzheimer's disease. Appl Microbiol Biotechnol 2020; 104:9159-9177. [PMID: 32970179 DOI: 10.1007/s00253-020-10894-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 08/30/2020] [Accepted: 09/05/2020] [Indexed: 10/23/2022]
Abstract
Huperzine A (Hup A) is an important drug for treating Alzheimer's disease (AD) and mainly extracted from the Huperzia serrata (Thunb.) Trevis. (Lycopodiaceae) (HS). Nevertheless, the content of Hup A in HS is very low of 0.007% with growing circle of 8 to 10 years, and the chemical synthesis of Hup A still has some insurmountable limitations in the industrialized production. So, the available resources of Hup A for clinical treatment of AD are scarce. The purpose of this work was to construct a biosynthesis platform based on the endophytic fungi from HS. In this work, five endophytic fungi Mucor racemosus NSH-D, Mucor fragilis NSY-1, Fusarium verticillioides NSH-5, Fusarium oxysporum NSG-1, and Trichoderma harzianum NSW-V were firstly found and isolated from the Chinese folk medicine HS, which were identified according to their morphological characteristics and nuclear ribosomal DNA ITS sequences. The highest efficient fungus could effectively biosynthesize Hup A in a liquid culture of 319.8 ± 0.17 mg/L which were 112 times higher than that of other reported conventional endophytic fungi. Moreover, these fungi with higher hereditary stability could possess the initial expressing ability of Hup A after 40 generations, and the expressed Hup A from these biosynthesis systems has prior physicochemical properties, a better inhibition activity of acetylcholinesterase and a lower cytotoxicity compared with the listed active pharmaceutical ingredients (APIs) of Hup A. These results provide promising alternative resources for producing Hup A at an industrial scale by biosynthesis, and it may also shed light on millions of AD patients. KEY POINTS: • Five novel endophytic fungi with high stability could highly express prior Hup A Graphical abstract.
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Affiliation(s)
- Han Wen-Xia
- College of Medical Technology, Xi'an Medical University, Xi'an, 710021, People's Republic of China
| | - Han Zhong-Wen
- Department of Oncology, Fushan Hospital of Traditional Chinese Medicine of Tumor, Shijiazhuang, 050200, People's Republic of China
| | - Jia Min
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi, People's Republic of China
| | - Zhang Han
- College of Pharmacy, Xi'an Medical University, Xinwang road 1, Weiyang Zone, Xi'an, 710021, People's Republic of China
| | - Li Wei-Ze
- College of Pharmacy, Xi'an Medical University, Xinwang road 1, Weiyang Zone, Xi'an, 710021, People's Republic of China.
| | - Yang Li-Bin
- College of Pharmacy, Xi'an Medical University, Xinwang road 1, Weiyang Zone, Xi'an, 710021, People's Republic of China
| | - Liang Fei
- College of Pharmacy, Xi'an Medical University, Xinwang road 1, Weiyang Zone, Xi'an, 710021, People's Republic of China
| | - Han Lu
- College of Pharmacy, Xi'an Medical University, Xinwang road 1, Weiyang Zone, Xi'an, 710021, People's Republic of China
| | - Zhao Ning
- College of Pharmacy, Xi'an Medical University, Xinwang road 1, Weiyang Zone, Xi'an, 710021, People's Republic of China
| | - Li Xiao-Feng
- College of Medical Technology, Xi'an Medical University, Xi'an, 710021, People's Republic of China
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Streptomyces-Derived Metabolites with Potential Photoprotective Properties-A Systematic Literature Review and Meta-Analysis on the Reported Chemodiversity. Molecules 2020; 25:molecules25143221. [PMID: 32679651 PMCID: PMC7397340 DOI: 10.3390/molecules25143221] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/01/2020] [Accepted: 07/07/2020] [Indexed: 02/07/2023] Open
Abstract
Sun overexposure is associated with the development of diseases that primarily affect the skin, which can lead to skin cancer. Among the main measures of photoprotection is the use of sunscreens. However, there is currently concern about the reported harmful effects to both humans and the environment due to several of the sunscreen ingredients available on the market. For this reason, the search for and development of new agents with photoprotective properties is required. In searching for these metabolites, researchers have turned their attention to microbial sources, especially the microbiota in unusual hostile environments. Among the diverse microorganisms available in nature, Actinobacteria and specifically Streptomyces, have been shown to be a source of metabolites with various biological activities of interest, such as antimicrobial, antitumor and immunomodulator activities. Herein, we present the results of a systematic review of the literature in which Streptomyces isolates were studied as a source of compounds with photoprotective properties. A meta-analysis of the structure-property and structure-activity relationships of those metabolites identified in the qualitative analysis phase was also carried out. These findings indicate that Streptomyces are a source of metabolites with potential applications in the development of new, safe and more eco-friendly sunscreens.
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A novel diterpene agent isolated from Microbispora hainanensis strain CSR-4 and its in vitro and in silico inhibition effects on acetylcholine esterase enzyme. Sci Rep 2020; 10:11058. [PMID: 32632152 PMCID: PMC7338456 DOI: 10.1038/s41598-020-68009-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 06/17/2020] [Indexed: 01/02/2023] Open
Abstract
An actinomycete strain CSR-4 was isolated from the rhizosphere soil of Zingiber montanum. Taxonomic characterization revealed strain CSR-4 was a member of the genus Microbispora. Whole-genome sequence analysis exhibited the highest average nucleotide identity (ANI) value (95.34%) and digital DNA–DNA hybridization (DDH) value (74.7%) between strain CSR-4 and the closest relative M. hainanensis DSM 45428T, which was in line with the assignment to same species. In addition, a new diterpene compound, 2α-hydroxy-8(14), 15-pimaradien-17, 18-dioic acid, and nine known compounds were isolated from the ethyl acetate crude extract of fermentation broth. Interestingly, a new diterpene displayed the suppressive effect on the recombinant human acetylcholinesterase (rhAChE) enzymes (IC50 96.87 ± 2.31 μg/ml). In silico studies based on molecular docking and molecular dynamics (MD) simulations were performed to predict a binding mode of the new compound into the binding pocket of the rhAChE enzyme and revealed that some amino acids in the peripheral anions site (PAS), anionic subsite, oxyanion site and catalytic active site (CAS) of the rhAChE have interacted with the compound. Therefore, our new compound could be proposed as a potential active human AChE inhibitor. Moreover, the new compound can protect significantly the neuron cells (% neuron viability = 88.56 ± 5.19%) from oxidative stress induced by serum deprivation method at 1 ng/ml without both neurotoxicities on murine P19-derived neuron cells and cytotoxicity against Vero cells.
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Zaki AG, El-Sayed ESR, Abd Elkodous M, El-Sayyad GS. Microbial acetylcholinesterase inhibitors for Alzheimer's therapy: recent trends on extraction, detection, irradiation-assisted production improvement and nano-structured drug delivery. Appl Microbiol Biotechnol 2020; 104:4717-4735. [PMID: 32285176 PMCID: PMC7223626 DOI: 10.1007/s00253-020-10560-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/09/2020] [Accepted: 03/18/2020] [Indexed: 12/17/2022]
Abstract
Abstract Neurodegenerative disorders especially Alzheimer’s disease (AD) are significantly threatening the public health. Acetylcholinesterase (AChE) inhibitors are compounds of great interest which can be used as effective agents for the symptomatic treatment of AD. Although plants are considered the largest source for these types of inhibitors, the microbial production of AChE inhibitors represents an efficient, easily manipulated, eco-friendly, cost-effective, and alternative approach. This review highlights the recent advances on the microbial production of AChE inhibitors and summarizes all the previously reported successful studies on isolation, screening, extraction, and detecting methodologies of AChE inhibitors from the microbial fermentation, from the earliest trials to the most promising anti-AD drug, huperzine A (HupA). In addition, improvement strategies for maximizing the industrial production of AChE inhibitors by microbes will be discussed. Finally, the promising applications of nano-material-based drug delivery systems for natural AChE inhibitor (HupA) will also be summarized. Key Points • AChE inhibitors are potential therapies for Alzheimer’s disease. • Microorganisms as alternate sources for prospective production of such inhibitors. • Research advances on extraction, detection, and strategies for production improvement. • Nanotechnology-based approaches for an effective drug delivery for Alzheimer’s disease.
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Affiliation(s)
- Amira G Zaki
- Plant Research Department, Nuclear Research Center, Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt.
| | - El-Sayed R El-Sayed
- Plant Research Department, Nuclear Research Center, Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - M Abd Elkodous
- Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, Toyohashi, Aichi, 441-8580, Japan.,Center for Nanotechnology (CNT), School of Engineering and Applied Sciences, Nile University, Sheikh Zayed, Giza, 16453, Egypt
| | - Gharieb S El-Sayyad
- Drug Microbiology Lab, Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt. .,Chemical Engineering Department, Egyptian Armed Forces, Military Technical College (MTC), Cairo, Egypt.
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Zaki AG, El-Shatoury EH, Ahmed AS, Al-Hagar OEA. Production and enhancement of the acetylcholinesterase inhibitor, huperzine A, from an endophytic Alternaria brassicae AGF041. Appl Microbiol Biotechnol 2019; 103:5867-5878. [PMID: 31119352 DOI: 10.1007/s00253-019-09897-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 05/13/2019] [Indexed: 12/11/2022]
Abstract
Huperzine A (HupA) is a potent acetylcholinesterase (AChE) inhibitor of a great consideration as a prospective drug candidate for Alzheimer's disease treatment. Production of HupA by endophytes offers an alternative challenge to reduce the massive plant harvest needed to meet the increasing demand of HupA. In the current study, some endophytic fungal and actinobacterial isolates from the Chinese herb, Huperzia serrata, underwent liquid fermentation, alkaloid extraction, and screening for AChE inhibition and HupA production. Among these isolates, Alternaria brassicae AGF041 strain was the only positive strain for HupA production with the maximum AChE inhibition of 75.5%. Chromatographic analyses verified the identity of the produced HupA. The HupA production was efficiently maximized up to 42.89 μg/g of dry mycelia, after optimization of thirteen process parameters using multifactorial statistical approaches, Plackett-Burman and central composite designs. The statistical optimization resulted in a 40.8% increase in HupA production. This is the first report to isolate endophytic actinobacteria with anti-AChE activity from H. serrata, and to identify an endophytic fungus A. brassicae as a new promising start strain for a higher HupA yield.
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Affiliation(s)
- Amira G Zaki
- Plant Research Department, Nuclear Research Center, Atomic Energy Authority, Cairo, Egypt.
| | - Einas H El-Shatoury
- Department of Microbiology, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Ashraf S Ahmed
- Plant Research Department, Nuclear Research Center, Atomic Energy Authority, Cairo, Egypt
| | - Ola E A Al-Hagar
- Plant Research Department, Nuclear Research Center, Atomic Energy Authority, Cairo, Egypt
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