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Mansour T, Radwan WH, Mansour M, Gomaa M, Farouk F, Shepl M, Soliman AG, Abd-Elhalim BT, El-Senosy MMK, Bakry A, Ebeed NM, Alsenosy NK, Elhariry H, Galal A, El-Sayed SM, Adly E, Abu-Hussien SH. Larvicidal potential, toxicological assessment, and molecular docking studies of four Egyptian bacterial strains against Culex pipiens L. (Diptera: Culicidae). Sci Rep 2023; 13:17230. [PMID: 37821509 PMCID: PMC10567778 DOI: 10.1038/s41598-023-44279-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 10/05/2023] [Indexed: 10/13/2023] Open
Abstract
Mosquito control in Egypt depends on applying chemical synthetic pesticides that impact negatively on human health and the environment as well as the development of antibiotic and chemical resistance. This study aims to control the 3rd and 4th instars of Culex pipiens larvae using four bacterial strains. According to Phenotypic and molecular identification, the four isolates were identified as Bacillus subtilis MICUL D2023, Serratia marcescens MICUL A2023, Streptomyces albus LARVICID, and Pseudomonas fluorescens MICUL B2023. All strains were deposited in GenBank under accession numbers OQ764791, OQ729954, OQ726575, and OQ891356, respectively. Larvicidal activity of all microbial strain metabolites against a field strain of C. pipiens explored low LC50 results and reached its lowest values on the 3rd day with values of 6.40%, 38.4%, and 46.33% for P. fluorescens, S. albus, and S. marcescens, respectively. In addition, metabolites of P. fluorescence were more toxic than those of S. albus, followed by S. marcescens. B. subtilis shows no larvicidal effect on both field and lab mosquito strains. Microscopic alterations of 3rd and 4th instars showed toxic effects on different body parts (thorax, midgut, and anal gills), including losing external hairs, abdominal breakage, and larvae shrinkage, as well as different histological malformations in the digestive tract, midgut, and cortex. GC-MS analysis detected 51, 30, and 32 different active compounds from S. albus, S. marcescens, and P. fluorescens, respectively. GC detected 1, 2-BENZEA2:A52NEDICARBOXYLIC ACID, 2-Cyclohexene-1-carboxylic-acid-5-2-butenyl-methyl ester, and 3 octadecahydro2R3S4Z9Z-11R-12S from S. albus, S. marcesens, and P. fluorescens, respectively. Total protein, Total carbohydrate, and Acetylcholine esterase activity indicated significantly low levels on the 3rd day. All strain metabolites were safe against HSF cell lines. The docking results confirmed the role of the produced metabolites as larvicidal agents and Acetylcholine esterase inhibition. Such a problem need more studies on applying more and more natural pesticides.
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Affiliation(s)
- Tokaa Mansour
- Undergraduate student, Biotechnology Program, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Wafaa H Radwan
- Department of Agriculture Microbiology, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Menna Mansour
- Undergraduate student, Biotechnology Program, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Mohamed Gomaa
- Undergraduate student, Biotechnology Program, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Farouk Farouk
- Undergraduate student, Biotechnology Program, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Mohamed Shepl
- Undergraduate student, Biotechnology Program, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Ahmed G Soliman
- Undergraduate student, Biotechnology Program, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Basma T Abd-Elhalim
- Department of Agriculture Microbiology, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Mohamed M K El-Senosy
- Department of Plant Protection, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Ashraf Bakry
- Department of Genetics, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Naglaa M Ebeed
- Department of Genetics, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Neima K Alsenosy
- Department of Genetics, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Hesham Elhariry
- Department of Food Science, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Ahmed Galal
- Department of Poultry Production, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Salwa M El-Sayed
- Department of Agricultural Biochemistry, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt
| | - Eslam Adly
- Department of Entomology, Faculty of Science, Ain Shams University, Cairo, 15611, Egypt.
| | - Samah H Abu-Hussien
- Department of Agriculture Microbiology, Faculty of Agriculture, Ain Shams University, Cairo, 12411, Egypt.
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Xu Z, Park TJ, Cao H. Advances in mining and expressing microbial biosynthetic gene clusters. Crit Rev Microbiol 2023; 49:18-37. [PMID: 35166616 DOI: 10.1080/1040841x.2022.2036099] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Natural products (NPs) especially the secondary metabolites originated from microbes exhibit great importance in biomedical, industrial and agricultural applications. However, mining biosynthetic gene clusters (BGCs) to produce novel NPs has been hindered owing that a large population of environmental microbes are unculturable. In the past decade, strategies to explore BGCs directly from (meta)genomes have been established along with the fast development of high-throughput sequencing technologies and the powerful bioinformatics data-processing tools, which greatly expedited the exploitations of novel BGCs from unculturable microbes including the extremophilic microbes. In this review, we firstly summarized the popular bioinformatics tools and databases available to mine novel BGCs from (meta)genomes based on either pure cultures or pristine environmental samples. Noticeably, approaches rooted from machine learning and deep learning with focuses on the prediction of ribosomally synthesized and post-translationally modified peptides (RiPPs) were dramatically increased in recent years. Moreover, synthetic biology techniques to express the novel BGCs in culturable native microbes or heterologous hosts were introduced. This working pipeline including the discovery and biosynthesis of novel NPs will greatly advance the exploitations of the abundant but unexplored microbial BGCs.
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Affiliation(s)
- Zeling Xu
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Center, South China Agricultural University, Guangzhou, China
| | - Tae-Jin Park
- HME Healthcare Co., Ltd, Suwon-si, Republic of Korea
| | - Huiluo Cao
- Department of Microbiology, The University of Hong Kong, Hong Kong, China
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Alam K, Mazumder A, Sikdar S, Zhao YM, Hao J, Song C, Wang Y, Sarkar R, Islam S, Zhang Y, Li A. Streptomyces: The biofactory of secondary metabolites. Front Microbiol 2022; 13:968053. [PMID: 36246257 PMCID: PMC9558229 DOI: 10.3389/fmicb.2022.968053] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
Natural products derived from microorganisms serve as a vital resource of valuable pharmaceuticals and therapeutic agents. Streptomyces is the most ubiquitous bacterial genus in the environments with prolific capability to produce diverse and valuable natural products with significant biological activities in medicine, environments, food industries, and agronomy sectors. However, many natural products remain unexplored among Streptomyces. It is exigent to develop novel antibiotics, agrochemicals, anticancer medicines, etc., due to the fast growth in resistance to antibiotics, cancer chemotherapeutics, and pesticides. This review article focused the natural products secreted by Streptomyces and their function and importance in curing diseases and agriculture. Moreover, it discussed genomic-driven drug discovery strategies and also gave a future perspective for drug development from the Streptomyces.
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Affiliation(s)
- Khorshed Alam
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Arpita Mazumder
- Department of Microbiology, University of Chittagong, Chittagong, Bangladesh
| | - Suranjana Sikdar
- Department of Microbiology, University of Chittagong, Chittagong, Bangladesh
| | - Yi-Ming Zhao
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Jinfang Hao
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Chaoyi Song
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Yanyan Wang
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Rajib Sarkar
- Industrial Microbiology Research Division, BCSIR Chattogram Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Chattogram, Bangladesh
| | - Saiful Islam
- Industrial Microbiology Research Division, BCSIR Chattogram Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Chattogram, Bangladesh
- Saiful Islam,
| | - Youming Zhang
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
- Chinese Academy of Sciences (CAS) Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- Youming Zhang,
| | - Aiying Li
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
- *Correspondence: Aiying Li,
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Deep-Sea Natural Products from Extreme Environments: Cold Seeps and Hydrothermal Vents. Mar Drugs 2022; 20:md20060404. [PMID: 35736207 PMCID: PMC9229347 DOI: 10.3390/md20060404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/08/2022] [Accepted: 06/14/2022] [Indexed: 12/28/2022] Open
Abstract
The deep sea has been proven to be a great treasure for structurally unique and biologically active natural products in the last two decades. Cold seeps and hydrothermal vents, as typical representatives of deep-sea extreme environments, have attracted more and more attention. This review mainly summarizes the natural products of marine animals, marine fungi, and marine bacteria derived from deep-sea cold seeps and hydrothermal vents as well as their biological activities. In general, there were 182 compounds reported, citing 132 references and covering the literature from the first report in 1984 up to March 2022. The sources of the compounds are represented by the genera Aspergillus sp., Penicillium sp., Streptomyces sp., and so on. It is worth mentioning that 90 of the 182 compounds are new and that almost 60% of the reported structures exhibited diverse bioactivities, which became attractive targets for relevant organic synthetic and biosynthetic studies.
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5
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Abstract
The identification of secondary metabolites present in both terrestrial and marine species continues to be a fundamental and privileged path for the emergence of new and fundamental natural products available on the market with very different applications [...]
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Nikbakht M, Omidi B, Amozegar MA, Amini K. Isolation and identification of Streptomyces tunisiensis from Garmsar salt cave soil with antibacterial and gene expression activity against Pseudomonas aeruginosa. MAIN GROUP CHEMISTRY 2022. [DOI: 10.3233/mgc-210172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
It is known that more than 70% of the current antibiotics have been produced by Streptomyces; therefore, the main goal of the present study was to isolate halophiles Streptomyces to investigate their antimicrobial properties on the expression of the pathogenic genes of clinically resistant Pseudomonas aeruginosa. To this aim, isolation of Streptomyces from soil was performed by serial dilution method, and cultivation on ISP2 and SCA medium. The secondary metabolite was extracted by ethyl acetate method. The presence of exo A, alg D and oprl genes were determined by PCR in 50 clinical isolates of Pseudomonas aeruginosa. The inhibitory effect of active metabolites on gene expression were investigated by employing the real-time PCR technique. The purification of secondary metabolites were performed by employing the HPLC technique. Moreover, the FTIR technique was employed to determine the functional groups to help performing identifications by employing the LC-MS technique. Finally, selected Streptomyces was identified by 16S ribosomal RNA gene. Accordingly, the possible forms of Streptomyces were isolated and identified, in which Streptomyces number 25 had the highest growth inhibition zone against the clinical strains of Pseudomonas aeruginosa. The obtained results of molecular analysis showed 95.4% similarity to Streptomyces tunisiensis. The effect of selected Streptomyces secondary metabolites reduced expressions of both of exo A and algD genes in 1024μg/mL concentration. In this regard, the potent fraction could be known as an isobutyl Nonactin analogue. The concluding remarks of this work showed the antimicrobial activity of halophilus Streptomyces species against the resistant strains of Pseudomonas aeruginosa with the ability of producing antibiotics proposing for running further investigations to determine the active compound structures.
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Affiliation(s)
- Maryam Nikbakht
- Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Behin Omidi
- Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Ali Amozegar
- Department of Microbiology, Faculty of Basic Science, University of Tehran, Tehran, Iran
| | - Kumarss Amini
- Department of Microbiology, Saveh Branch, Islamic Azad University, Saveh, Iran
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Hwang S, Lee Y, Kim JH, Kim G, Kim H, Kim W, Cho S, Palsson BO, Cho BK. Streptomyces as Microbial Chassis for Heterologous Protein Expression. Front Bioeng Biotechnol 2022; 9:804295. [PMID: 34993191 PMCID: PMC8724576 DOI: 10.3389/fbioe.2021.804295] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 11/30/2021] [Indexed: 12/29/2022] Open
Abstract
Heterologous production of recombinant proteins is gaining increasing interest in biotechnology with respect to productivity, scalability, and wide applicability. The members of genus Streptomyces have been proposed as remarkable hosts for heterologous production due to their versatile nature of expressing various secondary metabolite biosynthetic gene clusters and secretory enzymes. However, there are several issues that limit their use, including low yield, difficulty in genetic manipulation, and their complex cellular features. In this review, we summarize rational engineering approaches to optimizing the heterologous production of secondary metabolites and recombinant proteins in Streptomyces species in terms of genetic tool development and chassis construction. Further perspectives on the development of optimal Streptomyces chassis by the design-build-test-learn cycle in systems are suggested, which may increase the availability of secondary metabolites and recombinant proteins.
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Affiliation(s)
- Soonkyu Hwang
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.,KAIST Institute for the BioCentury, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Yongjae Lee
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.,KAIST Institute for the BioCentury, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Ji Hun Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.,KAIST Institute for the BioCentury, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Gahyeon Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.,KAIST Institute for the BioCentury, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Hyeseong Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.,KAIST Institute for the BioCentury, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Woori Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.,KAIST Institute for the BioCentury, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Suhyung Cho
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.,KAIST Institute for the BioCentury, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Bernhard O Palsson
- Department of Bioengineering, University of California, San Diego, La Jolla, CA, United States.,Department of Pediatrics, University of California, San Diego, La Jolla, CA, United States.,Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
| | - Byung-Kwan Cho
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.,KAIST Institute for the BioCentury, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.,Innovative Biomaterials Research Center, KAIST Institutes, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
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