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Chen P, Ye T, Li C, Praveen P, Hu Z, Li W, Shang C. Embracing the era of antimicrobial peptides with marine organisms. Nat Prod Rep 2024; 41:331-346. [PMID: 37743806 DOI: 10.1039/d3np00031a] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Covering: 2018 to Jun of 2023The efficiency of traditional antibiotics has been undermined by the proliferation of antibiotic-resistant pathogenic microorganisms, necessitating the pursuit of innovative therapeutic agents. Antimicrobial peptides (AMPs), which are part of host defence peptides found ubiquitously in nature, exhibiting a wide range of activity towards bacteria, fungi, and viruses, offer a highly promising candidate solution. The efficacy of AMPs can frequently be augmented via alterations to their amino acid sequences or structural adjustments. Given the vast reservoir of marine life forms and their distinctive ecosystems, marine AMPs stand as a burgeoning focal point in the quest for alternative peptide templates extracted from natural sources. Advances in identification and characterization techniques have accelerated the discoveries of marine AMPs, thereby stimulating AMP customization, optimization, and synthesis research endeavours. This review presents an overview of recent discoveries related to the intriguing qualities of marine AMPs. Emphasis will be placed upon post-translational modifications (PTMs) of marine AMPs and how they may impact functionality and potency. Additionally, this review considers ways in which marine PTM might support larger-scale, heterologous AMP manufacturing initiatives, providing insights into translational applications of these important biomolecules.
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Affiliation(s)
- Pengyu Chen
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China.
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Ting Ye
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China.
| | - Chunyuan Li
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China.
| | - Praveen Praveen
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science La Trobe University, Victoria, 3086, Australia.
| | - Zhangli Hu
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China.
| | - Wenyi Li
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science La Trobe University, Victoria, 3086, Australia.
| | - Chenjing Shang
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China.
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Ramírez-Rendón D, Guzmán-Chávez F, García-Ausencio C, Rodríguez-Sanoja R, Sánchez S. The untapped potential of actinobacterial lanthipeptides as therapeutic agents. Mol Biol Rep 2023; 50:10605-10616. [PMID: 37934370 PMCID: PMC10676316 DOI: 10.1007/s11033-023-08880-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 10/03/2023] [Indexed: 11/08/2023]
Abstract
The increase in bacterial resistance generated by the indiscriminate use of antibiotics in medical practice set new challenges for discovering bioactive natural products as alternatives for therapeutics. Lanthipeptides are an attractive natural product group that has been only partially explored and shows engaging biological activities. These molecules are small peptides with potential application as therapeutic agents. Some members show antibiotic activity against problematic drug-resistant pathogens and against a wide variety of viruses. Nevertheless, their biological activities are not restricted to antimicrobials, as their contribution to the treatment of cystic fibrosis, cancer, pain symptoms, control of inflammation, and blood pressure has been demonstrated. The study of biosynthetic gene clusters through genome mining has contributed to accelerating the discovery, enlargement, and diversification of this group of natural products. In this review, we provide insight into the recent advances in the development and research of actinobacterial lanthipeptides that hold great potential as therapeutics.
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Affiliation(s)
- Dulce Ramírez-Rendón
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico City, México
| | - Fernando Guzmán-Chávez
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico City, México
| | - Carlos García-Ausencio
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico City, México
| | - Romina Rodríguez-Sanoja
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico City, México
| | - Sergio Sánchez
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico City, México.
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Saleem M, Yahya S, Razzak SA, Khawaja S, Ali A. Shotgun metagenomics and computational profiling of the plastisphere microbiome: unveiling the potential of enzymatic production and plastic degradation. Arch Microbiol 2023; 205:359. [PMID: 37884755 DOI: 10.1007/s00203-023-03701-x] [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: 09/07/2023] [Revised: 10/01/2023] [Accepted: 10/05/2023] [Indexed: 10/28/2023]
Abstract
Plastic pollution is one of the most resilient types of pollution and is considered a global environmental threat, particularly in the marine environment. This study aimed to identify plastic-degrading bacteria from the plastisphere and their pharmaceutical and therapeutic potential. We collected samples from soil and aquatic plastisphere to identify the bacterial communities using shotgun metagenomic sequencing and bioinformatic tools. Results showed that the microbiome comprised 93% bacteria, 0.29% archaea, and 3.87% unidentified microbes. Of these 93% of bacteria, 54% were Proteobacteria, 23.9% were Firmicutes, 13% were Actinobacteria, and 2.1% were other phyla. We found that the plastisphere microbiome was involved in degrading synthetic and polyhydroxy alkanoate (PHA) plastic, biosurfactant production, and can thrive under high temperatures. However, no association existed between thermophiles, synthetic plastic or PHA degraders, and biosurfactant-producing bacterial species except for Pseudomonas. Other plastisphere inhabiting plastic degrading microbes include Streptomyces, Bacillus, Achromobacter, Azospirillum, Bacillus, Brevundimonas, Clostridium, Paenibacillus, Rhodococcus, Serratia, Staphylococcus, Thermobifida, and Thermomonospora. However, the plastisphere microbiome showed potential for producing secondary metabolites that were found to act as anticancer, antitumor, anti-inflammatory, antimicrobial, and enzyme stabilizers. These results revealed that the plastisphere microbiome upholds clinical and environmental significance as it can open future portals in a multi-directional way.
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Affiliation(s)
- Mahnoor Saleem
- Department of Biosciences, Shaheed Zulfikar Ali Bhutto University of Science and Technology, Karachi, 75600, Sindh, Pakistan.
| | - Saira Yahya
- Department of Biosciences, Shaheed Zulfikar Ali Bhutto University of Science and Technology, Karachi, 75600, Sindh, Pakistan.
| | - Safina Abdul Razzak
- Department of Bioscience, Muhammad Ali Jinnah University, Karachi, 75600, Pakistan
| | - Shariqa Khawaja
- International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Akhtar Ali
- School of Agriculture, Food and Ecosystem Sciences, The University of Melbourne, Parkville, VIC, 3010, Australia
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Zhong G, Wang ZJ, Yan F, Zhang Y, Huo L. Recent Advances in Discovery, Bioengineering, and Bioactivity-Evaluation of Ribosomally Synthesized and Post-translationally Modified Peptides. ACS BIO & MED CHEM AU 2023; 3:1-31. [PMID: 37101606 PMCID: PMC10125368 DOI: 10.1021/acsbiomedchemau.2c00062] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/17/2022] [Accepted: 11/22/2022] [Indexed: 04/28/2023]
Abstract
Ribosomally synthesized and post-translationally modified peptides (RiPPs) are of increasing interest in natural products as well as drug discovery. This empowers not only the unique chemical structures and topologies in natural products but also the excellent bioactivities such as antibacteria, antifungi, antiviruses, and so on. Advances in genomics, bioinformatics, and chemical analytics have promoted the exponential increase of RiPPs as well as the evaluation of biological activities thereof. Furthermore, benefiting from their relatively simple and conserved biosynthetic logic, RiPPs are prone to be engineered to obtain diverse analogues that exhibit distinct physiological activities and are difficult to synthesize. This Review aims to systematically address the variety of biological activities and/or the mode of mechanisms of novel RiPPs discovered in the past decade, albeit the characteristics of selective structures and biosynthetic mechanisms are briefly covered as well. Almost one-half of the cases are involved in anti-Gram-positive bacteria. Meanwhile, an increasing number of RiPPs related to anti-Gram-negative bacteria, antitumor, antivirus, etc., are also discussed in detail. Last but not least, we sum up some disciplines of the RiPPs' biological activities to guide genome mining as well as drug discovery and optimization in the future.
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Affiliation(s)
- Guannan Zhong
- Helmholtz
International Laboratory for Anti-Infectives, State Key Laboratory
of Microbial Technology, Shandong University, Qingdao 266237, China
- Suzhou
Research Institute, Shandong University, Suzhou, Jiangsu 215123, P. R. China
| | - Zong-Jie Wang
- Helmholtz
International Laboratory for Anti-Infectives, State Key Laboratory
of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Fu Yan
- Helmholtz
International Laboratory for Anti-Infectives, State Key Laboratory
of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Youming Zhang
- Helmholtz
International Laboratory for Anti-Infectives, State Key Laboratory
of Microbial Technology, Shandong University, Qingdao 266237, China
- CAS
Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute
of Synthetic Biology, Shenzhen Institute
of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Faculty
of Synthetic Biology, Shenzhen Institute
of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Liujie Huo
- Helmholtz
International Laboratory for Anti-Infectives, State Key Laboratory
of Microbial Technology, Shandong University, Qingdao 266237, China
- Suzhou
Research Institute, Shandong University, Suzhou, Jiangsu 215123, P. R. China
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Computational Approaches to Enzyme Inhibition by Marine Natural Products in the Search for New Drugs. Mar Drugs 2023; 21:md21020100. [PMID: 36827141 PMCID: PMC9961086 DOI: 10.3390/md21020100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/26/2023] [Accepted: 01/28/2023] [Indexed: 02/03/2023] Open
Abstract
The exploration of biologically relevant chemical space for the discovery of small bioactive molecules present in marine organisms has led not only to important advances in certain therapeutic areas, but also to a better understanding of many life processes. The still largely untapped reservoir of countless metabolites that play biological roles in marine invertebrates and microorganisms opens new avenues and poses new challenges for research. Computational technologies provide the means to (i) organize chemical and biological information in easily searchable and hyperlinked databases and knowledgebases; (ii) carry out cheminformatic analyses on natural products; (iii) mine microbial genomes for known and cryptic biosynthetic pathways; (iv) explore global networks that connect active compounds to their targets (often including enzymes); (v) solve structures of ligands, targets, and their respective complexes using X-ray crystallography and NMR techniques, thus enabling virtual screening and structure-based drug design; and (vi) build molecular models to simulate ligand binding and understand mechanisms of action in atomic detail. Marine natural products are viewed today not only as potential drugs, but also as an invaluable source of chemical inspiration for the development of novel chemotypes to be used in chemical biology and medicinal chemistry research.
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Murugan R, Guru A, Haridevamuthu B, Sudhakaran G, Arshad A, Arockiaraj J. Lantibiotics: an antimicrobial asset in combating aquaculture diseases. AQUACULTURE INTERNATIONAL 2022; 30:2365-2387. [DOI: 10.1007/s10499-022-00908-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/20/2022] [Indexed: 10/16/2023]
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Qadri H, Haseeb Shah A, Mudasir Ahmad S, Alshehri B, Almilaibary A, Ahmad Mir M. Natural products and their semi-synthetic derivatives against antimicrobial-resistant human pathogenic bacteria and fungi. Saudi J Biol Sci 2022; 29:103376. [PMID: 35874656 PMCID: PMC9290337 DOI: 10.1016/j.sjbs.2022.103376] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/09/2022] [Accepted: 07/10/2022] [Indexed: 12/24/2022] Open
Abstract
COVID-19 pandemic has traumatized the entire world. During this outbreak, an upsurge in MDR-associated pathogenic microbial organisms has been recorded. The increasing human microbial diseases pose a severe danger to global human safety. The infectious microbes have developed multiple tolerance strategies to overcome the negative drug impacts. Several naturally occurring chemicals produced from bacteria, plants, animals, marine species, and other sources with antimicrobial characteristics have been reviewed. These compounds show promise in minimizing the globally increasing microbial diseases.
Human infectious diseases caused by various microbial pathogens, in general, impact a large population of individuals every year. These microbial diseases that spread quickly remain to be a big issue in various health-related domains and to withstand the negative drug impacts, the antimicrobial-resistant pathogenic microbial organisms (pathogenic bacteria and pathogenic fungi) have developed a variety of resistance processes against many antimicrobial drug classes. During the COVID-19 outbreak, there seems to be an upsurge in drug and multidrug resistant-associated pathogenic microbial species. The preponderance of existing antimicrobials isn’t completely effective, which limits their application in clinical settings. Several naturally occurring chemicals produced from bacteria, plants, animals, marine species, and other sources are now being studied for antimicrobial characteristics. These natural antimicrobial compounds extracted from different sources have been demonstrated to be effective against a variety of diseases, although plants remain the most abundant source. These compounds have shown promise in reducing the microbial diseases linked to the development of drug tolerance and resistance. This paper offers a detailed review of some of the most vital and promising natural compounds and their derivatives against various human infectious microbial organisms. The inhibitory action of different natural antimicrobial compounds, and their possible mechanism of antimicrobial action against a range of pathogenic fungal and bacterial organisms, is provided. The review will be useful in refining current antimicrobial (antifungal and antibacterial) medicines as well as establishing new treatment strategies to tackle the rising number of human bacterial and fungal-associated infections.
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Affiliation(s)
- Hafsa Qadri
- Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar 190006, India
| | - Abdul Haseeb Shah
- Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar 190006, India
| | | | - Bader Alshehri
- Department of Medical Laboratory Science, College of Applied Medical Sciences, Majmaah University, Majmaah 11952, Saudi Arabia
| | - Abdullah Almilaibary
- Department of Family & Community Medicine, Faculty of Medicine, Albaha University, Alaqiq 307501, Saudi Arabia
| | - Manzoor Ahmad Mir
- Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar 190006, India
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Kaari M, Manikkam R, Baskaran A. Exploring Newer Biosynthetic Gene Clusters in Marine Microbial Prospecting. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2022; 24:448-467. [PMID: 35394575 DOI: 10.1007/s10126-022-10118-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 03/17/2022] [Indexed: 06/14/2023]
Abstract
Marine microbes genetically evolved to survive varying salinity, temperature, pH, and other stress factors by producing different bioactive metabolites. These microbial secondary metabolites (SMs) are novel, have high potential, and could be used as lead molecule. Genome sequencing of microbes revealed that they have the capability to produce numerous novel bioactive metabolites than observed under standard in vitro culture conditions. Microbial genome has specific regions responsible for SM assembly, termed biosynthetic gene clusters (BGCs), possessing all the necessary genes to encode different enzymes required to generate SM. In order to augment the microbial chemo diversity and to activate these gene clusters, various tools and techniques are developed. Metagenomics with functional gene expression studies aids in classifying novel peptides and enzymes and also in understanding the biosynthetic pathways. Genome shuffling is a high-throughput screening approach to improve the development of SMs by incorporating genomic recombination. Transcriptionally silent or lower level BGCs can be triggered by artificially knocking promoter of target BGC. Additionally, bioinformatic tools like antiSMASH, ClustScan, NAPDOS, and ClusterFinder are effective in identifying BGCs of existing class for annotation in genomes. This review summarizes the significance of BGCs and the different approaches for detecting and elucidating BGCs from marine microbes.
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Affiliation(s)
- Manigundan Kaari
- Centre for Drug Discovery and Development, Sathyabama Institute of Science and Technology, Chennai, 600 119, Tamil Nadu, India
| | - Radhakrishnan Manikkam
- Centre for Drug Discovery and Development, Sathyabama Institute of Science and Technology, Chennai, 600 119, Tamil Nadu, India.
| | - Abirami Baskaran
- Centre for Drug Discovery and Development, Sathyabama Institute of Science and Technology, Chennai, 600 119, Tamil Nadu, India
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Biocontrol potential and antifungal mechanism of a novel Streptomyces sichuanensis against Fusarium oxysporum f. sp. cubense tropical race 4 in vitro and in vivo. Appl Microbiol Biotechnol 2022; 106:1633-1649. [PMID: 35141868 DOI: 10.1007/s00253-022-11788-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 01/01/2023]
Abstract
Most commercial banana cultivars are highly susceptible to Fusarium wilt caused by soilborne fungus Fusarium oxysporum f. sp. cubense (Foc), especially tropical race 4 (TR4). Biological control using antagonistic microorganism has been considered as an alternative method to fungicide. Our previous study showed that Streptomyces sp. SCA3-4 T had a broad-spectrum antifungal activity from the rhizosphere soil of Opuntia stricta in a dry hot valley. Here, the sequenced genome of strain SCA3-4 T contained 6614 predicted genes with 72.38% of G + C content. A polymorphic tree was constructed using the multilocus sequence analysis (MLSA) of five house-keeping gene alleles (atpD, gyrB, recA, rpoB, and trpB). Strain SCA3-4 T formed a distinct clade with Streptomyces mobaraensis NBRC 13819 T with 71% of bootstrap. Average nucleotide identity (ANI) values between genomes of strain SCA3-4 T and S. mobaraensis NBRC 13819 T was 85.83% below 95-96% of the novel species threshold, and named after Streptomyces sichuanensis sp. nov. The type strain is SCA3-4 T (= GDMCC 4.214 T = JCM 34964 T). Genomic analysis revealed that strain SCA3-4 T contained 36 known biosynthetic gene clusters of secondary metabolites. Antifungal activity of strain SCA3-4 T was closely associated with the production of siderophore and its extracts induced the apoptosis of Foc TR4 cells. A total of 12 potential antifungal metabolites including terpenoids, esters, acid, macrolides etc. were obtained by the gas chromatography-mass spectrometry (GC-MS). Greenhouse experiment indicated that strain SCA3-4 T could significantly inhibit infection of Foc TR4 in the roots and corms of banana seedlings and reduce disease index. Therefore, strain SCA3-4 T is an important microbial resource for exploring novel natural compounds and developing biopesticides to manage Foc TR4. KEY POINTS: • Strain SCA3-4 T was identified as a novel species of Streptomyces. • Siderophore participates in the antifungal regulation. • Secondary metabolites of strain SCA3-4 T improves the plant resistance to Foc TR4.
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Chakraborty K, Kizhakkekalam VK, Joy M, Chakraborty RD. Novel amylomacins from seaweed-associated Bacillus amyloliquefaciens as prospective antimicrobial leads attenuating resistant bacteria. World J Microbiol Biotechnol 2021; 37:200. [PMID: 34664128 DOI: 10.1007/s11274-021-03161-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 10/01/2021] [Indexed: 11/25/2022]
Abstract
The rise in antibiotic-resistant bacterial strains prompting nosocomial infections drives the search for new bioactive substances of promising antibacterial properties. The surfaces of seaweeds are rich in heterotrophic bacteria with prospective antimicrobial substances. This study aimed to isolate antibacterial leads from a seaweed-associated bacterium. Heterotrophic Bacillus amyloliquefaciens MTCC 12716 associated with the seaweed Hypnea valentiae, was isolated and screened for antimicrobial properties against drug-resistant pathogens. The bacterial crude extract was purified and three novel amicoumacin-class of isocoumarin analogues, 11'-butyl acetate amicoumacin C (amylomacin A), 4'-hydroxy-11'-methoxyethyl carboxylate amicoumacin C (amylomacin B) and 11'-butyl amicoumacin C (amylomacin C) were isolated to homogeneity. The studied amylomacins possessed potential activities against Pseudomonas aeruginosa, vancomycin-resistant Enterococcus faecalis, Klebsiella pneumoniae, methicillin-resistant Staphylococcus aureus, and Shigella flexneri with a range of minimum inhibitory concentration values from 0.78 to 3.12 µg/mL, although standard antibiotics ampicillin and chloramphenicol were active at 6.25-25 µg/mL. Noticeably, the amylomacin compound encompassing 4'-hydroxy-11'-methoxyethyl carboxylate amicoumacin C functionality (amylomacin B), displayed considerably greater antagonistic activities against methicillin-resistant S. aureus, vancomycin-resistant E. faecalis, Vibrio parahaemolyticus, Escherichia coli, and K. pneumoniae (minimum inhibitory concentration 0.78 μg/mL) compared to the positive controls and other amylomacin analogues. Antimicrobial properties of the amylomacins, coupled with the presence of polyketide synthase-I/non-ribosomal peptide synthetase hybrid gene attributed the bacterium as a promising source of antimicrobial compounds with pharmaceutical and biotechnological applications.
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Affiliation(s)
- Kajal Chakraborty
- Marine Bioprospecting Section of Marine Biotechnology Division, Central Marine Fisheries Research Institute, Ernakulam North, P.B. No. 1603, Cochin, Kerala, 682018, India.
| | - Vinaya Kizhakkepatt Kizhakkekalam
- Marine Bioprospecting Section of Marine Biotechnology Division, Central Marine Fisheries Research Institute, Ernakulam North, P.B. No. 1603, Cochin, Kerala, 682018, India
- Faculty of Marine Sciences, Lakeside Campus, Cochin University of Science and Technology, Cochin, Kerala State, India
| | - Minju Joy
- Marine Bioprospecting Section of Marine Biotechnology Division, Central Marine Fisheries Research Institute, Ernakulam North, P.B. No. 1603, Cochin, Kerala, 682018, India
| | - Rekha Devi Chakraborty
- Crustacean Fisheries Division, Central Marine Fisheries Research Institute, Ernakulam North, P.B. No. 1603, Cochin, India
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Li C, Alam K, Zhao Y, Hao J, Yang Q, Zhang Y, Li R, Li A. Mining and Biosynthesis of Bioactive Lanthipeptides From Microorganisms. Front Bioeng Biotechnol 2021; 9:692466. [PMID: 34395400 PMCID: PMC8358304 DOI: 10.3389/fbioe.2021.692466] [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: 04/08/2021] [Accepted: 06/29/2021] [Indexed: 12/17/2022] Open
Abstract
Antimicrobial resistance is one of the most serious public health issues in the worldwide and only a few new antimicrobial drugs have been discovered in recent decades. To overcome the ever-increasing emergence of multidrug-resistant (MDR) pathogens, discovery of new natural products (NPs) against MDR pathogens with new technologies is in great demands. Lanthipeptides which are ribosomally synthesized and post-translationally modified peptides (RiPPs) display high diversity in their chemical structures and mechanisms of action. Genome mining and biosynthetic engineering have also yielded new lanthipeptides, which are a valuable source of drug candidates. In this review we cover the recent advances in the field of microbial derived lanthipeptide discovery and development.
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Affiliation(s)
- Caiyun Li
- Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Khorshed Alam
- Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Yiming 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
| | - Qing Yang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Youming Zhang
- Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Ruijuan Li
- Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Aiying Li
- Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
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Mathermycin, an anti-cancer molecule that targets cell surface phospholipids. Toxicol Appl Pharmacol 2021; 413:115410. [PMID: 33476679 DOI: 10.1016/j.taap.2021.115410] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 01/10/2021] [Accepted: 01/13/2021] [Indexed: 02/07/2023]
Abstract
Mathermycin, a lantipeptide isolated from marine actinomycete Marinactinospora thermotolerans, is an antibiotic that has been shown to disrupt bacterial plasma membrane. We now provide evidences that mathermycin can also disrupt cancer, but not normal, cell plasma membranes through targeting phosphatidylethanolamine (PE), which is located only in the inner leaflet of the plasma membrane in normal cells but in both the inner and outer leaflets of the membrane in tumor cells. Our data shows that mathermycin inhibits the metabolic activity and induces mainly necrotic death of all cancer cell lines with EC50 between 4.2 and 16.9 μM, while normal cell lines have EC50 between 113 and 129 μM. The cytotoxicity of mathermycin could be inhibited by exogenous PE, but not phosphoserine and phosphocholine. The formation of mathermycin-PE complexes was confirmed by in silico analysis, HPLC and MS spectrometer. Furthermore, mathermycin exhibited similar cytotoxicity toward cancer and multidrug resistant cancer cells, which could be due to its ability to inhibit mitochondrial function, as shown by our data from the Seahorse™ metabolic analyzer. This study demonstrates that mathermycin is a potentially effective class of anti-tumor chemotherapeutics that do not easily develop resistance due to a mechanism of action targeting PE.
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Chu L, Huang J, Muhammad M, Deng Z, Gao J. Genome mining as a biotechnological tool for the discovery of novel marine natural products. Crit Rev Biotechnol 2020; 40:571-589. [PMID: 32308042 DOI: 10.1080/07388551.2020.1751056] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Compared to terrestrial environments, the oceans harbor a variety of environments, creating higher biodiversity, which gives marine natural products a high occurrence of significant biology and novel chemistry. However, traditional bioassay-guided isolation and purification strategies are severely limiting the discovery of additional novel natural products from the ocean. With an increasing number of marine microorganisms being sequenced, genome mining is gradually becoming a powerful tool to retrieve novel marine natural products. In this review, we have summarized genome mining approaches used to analyze key enzymes of biosynthetic pathways and predict the chemical structure of new gene clusters by introducing successful stories that used genome mining strategy to identify new marine-derived compounds. Furthermore, we also put forward challenges for genome mining techniques and their proposed solutions. The detailed analysis of the genome mining strategy will help researchers to understand this novel technique and its application. With the development of a genome sequence, genome mining strategies will be applied more widely, which will drive rapid development in the field of marine natural product development.
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Affiliation(s)
- Leixia Chu
- Fujian Provincial Key Laboratory of Plant Functional Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Jinping Huang
- Fujian Provincial Key Laboratory of Plant Functional Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Mustafa Muhammad
- Fujian Provincial Key Laboratory of Plant Functional Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Zixin Deng
- State Key Laboratory of Microbial Metabolism, Joint International Laboratory on Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Jiangtao Gao
- Fujian Provincial Key Laboratory of Plant Functional Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
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In Situ Activation and Heterologous Production of a Cryptic Lantibiotic from an African Plant Ant-Derived Saccharopolyspora Species. Appl Environ Microbiol 2020; 86:AEM.01876-19. [PMID: 31732571 PMCID: PMC6974636 DOI: 10.1128/aem.01876-19] [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: 08/16/2019] [Accepted: 11/07/2019] [Indexed: 01/05/2023] Open
Abstract
The discovery of novel antibiotics to tackle the growing threat of antimicrobial resistance is impeded by difficulties in accessing the full biosynthetic potential of microorganisms. The development of new tools to unlock the biosynthesis of cryptic bacterial natural products will greatly increase the repertoire of natural product scaffolds. Here, we report a strategy for the ectopic expression of pathway-specific positive regulators that can be rapidly applied to activate the biosynthesis of cryptic lanthipeptide biosynthetic gene clusters. This allowed the discovery of a new lanthipeptide antibiotic directly from the native host and via heterologous expression. Most clinical antibiotics are derived from actinomycete natural products discovered at least 60 years ago. However, the repeated rediscovery of known compounds led the pharmaceutical industry to largely discard microbial natural products (NPs) as a source of new chemical diversity. Recent advances in genome sequencing have revealed that these organisms have the potential to make many more NPs than previously thought. Approaches to unlock NP biosynthesis by genetic manipulation of strains, by the application of chemical genetics, or by microbial cocultivation have resulted in the identification of new antibacterial compounds. Concomitantly, intensive exploration of coevolved ecological niches, such as insect-microbe defensive symbioses, has revealed these to be a rich source of chemical novelty. Here, we report the new lanthipeptide antibiotic kyamicin, which was generated through the activation of a cryptic biosynthetic gene cluster identified by genome mining Saccharopolyspora species found in the obligate domatium-dwelling ant Tetraponera penzigi of the ant plant Vachellia drepanolobium. Transcriptional activation of this silent gene cluster was achieved by ectopic expression of a pathway-specific activator under the control of a constitutive promoter. Subsequently, a heterologous production platform was developed which enabled the purification of kyamicin for structural characterization and bioactivity determination. This strategy was also successful for the production of lantibiotics from other genera, paving the way for a synthetic heterologous expression platform for the discovery of lanthipeptides that are not detected under laboratory conditions or that are new to nature. IMPORTANCE The discovery of novel antibiotics to tackle the growing threat of antimicrobial resistance is impeded by difficulties in accessing the full biosynthetic potential of microorganisms. The development of new tools to unlock the biosynthesis of cryptic bacterial natural products will greatly increase the repertoire of natural product scaffolds. Here, we report a strategy for the ectopic expression of pathway-specific positive regulators that can be rapidly applied to activate the biosynthesis of cryptic lanthipeptide biosynthetic gene clusters. This allowed the discovery of a new lanthipeptide antibiotic directly from the native host and via heterologous expression.
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15
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Abdelhameed RFA, Elhady SS, Noor AO, Almasri DM, Bagalagel AA, Maatooq GT, Khedr AIM, Yamada K. Production of a New Cyclic Depsipeptide by the Culture Broth of Staphylococcus sp. Isolated from Corallina officinalis L. Metabolites 2019; 9:metabo9110273. [PMID: 31718059 PMCID: PMC6918221 DOI: 10.3390/metabo9110273] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 11/08/2019] [Accepted: 11/09/2019] [Indexed: 01/07/2023] Open
Abstract
A new cyclic depsipeptide (1) has been isolated from culture broth of Staphylococcus sp. (No. P-100826-4-6) derived from Corallina officinalis L., together with the known compounds indol-3-carboxylic acid (2), 1,5-dideoxy-3-C-methyl arabinitol (3), thymine (4), uracil (5), cyclo (L-pro-L-omet) (6) and macrolactin B (7). The structure of (1) was established to be cyclo (2α, 3-diaminopropoinc acid-L-Asn-3-β-hydroxy-5-methyl-tetradecanoic acid-L-Leu1-L-Asp-L-Val-L-Leu2-L-Leu3) by extensive spectroscopic techniques including 1H NMR, 13C NMR, 1H‒1H COSY, HMBC, HSQC, NOESY, and HRFABMS. The antimicrobial activities of compounds 1–7 were evaluated. Compounds 1–5, and 7 showed moderate antimicrobial activity while compound 6 exhibited a potent antimicrobial and antifungal activities.
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Affiliation(s)
- Reda F. A. Abdelhameed
- Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt;
| | - Sameh S. Elhady
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- Department of Pharmacognosy, Faculty of Pharmacy, Port Said University, Port Said 42526, Egypt;
| | - Ahmad O. Noor
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.O.N.); (D.M.A.); (A.A.B.)
| | - Diena M. Almasri
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.O.N.); (D.M.A.); (A.A.B.)
| | - Alaa A. Bagalagel
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.O.N.); (D.M.A.); (A.A.B.)
| | - Galal T. Maatooq
- Department of Pharmacognosy, Faculty of Pharmacy, The Islamic University in Najaf, Najaf 54001, Iraq;
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Amgad I. M. Khedr
- Department of Pharmacognosy, Faculty of Pharmacy, Port Said University, Port Said 42526, Egypt;
| | - Koji Yamada
- Garden for Medicinal Plants, Graduate School of Biomedical Sciences, Nagasaki University; Bunkyo-machi 1-14, Nagasaki 852-8521, Japan
- Correspondence: ; Tel.: +81-95-819-2462
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16
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The Biotechnological Potential of Secondary Metabolites from Marine Bacteria. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2019. [DOI: 10.3390/jmse7060176] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Marine habitats are a rich source of molecules of biological interest. In particular, marine bacteria attract attention with their ability to synthesize structurally diverse classes of bioactive secondary metabolites with high biotechnological potential. The last decades were marked by numerous discoveries of biomolecules of bacterial symbionts, which have long been considered metabolites of marine animals. Many compounds isolated from marine bacteria are unique in their structure and biological activity. Their study has made a significant contribution to the discovery and production of new natural antimicrobial agents. Identifying the mechanisms and potential of this type of metabolite production in marine bacteria has become one of the noteworthy trends in modern biotechnology. This path has become not only one of the most promising approaches to the development of new antibiotics, but also a potential target for controlling the viability of pathogenic bacteria.
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Huang B, Cheng K, Zhang L, Huang Y, Liu C. Marinactinospora rubrisoli sp. nov., isolated from red soil. Arch Microbiol 2018; 201:459-465. [PMID: 30298376 DOI: 10.1007/s00203-018-1583-2] [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: 06/12/2018] [Revised: 09/26/2018] [Accepted: 09/28/2018] [Indexed: 10/28/2022]
Abstract
A novel Marinactinospora strain JX35-4T was isolated from red soil which was collected from Wushan, northern Jiangxi Province, China. Analysis of the 16S rRNA gene sequences showed that strain JX35-4T belongs to the genus Marinactinospora and formed a distinct phylogenetic clade with Marinactinospora thermotolerans SCSIO 00652T and Marinactinospora endophytica YIM 690053T with sequence similarity of 96.97% and 96.42%, respectively. The strain was Gram-positive and formed branched substrate hyphae with no fragmentation, and abundant aerial hyphae that differentiated into long spore chains, and short rod-shaped spores. Growth occurred at 20-45 °C, pH 7.0-12.0 and in the presence of 0-7.5% (w/v) NaCl. The genomic DNA G + C content was determined to be 68.3 mol%. The cell wall of strain JX35-4T contained meso-diaminopimelic acid and xylose. Polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylcholine, phosphatidylinositol mannosides and one unidentified phospholipid. The major fatty acids of strain JX35-4T consisted of anteiso-C17:0 and iso-C16:0. Major menaquinones were MK-9(H10), MK-12 and MK-10(H2). Based on the polyphasic data, strain JX35-4T (= CGMCC 4.7382T = DSM 104977T) is concluded to represent a novel species of the genus Marinactinospora, for which the name Marinactinospora rubrisoli sp. nov. is proposed.
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Affiliation(s)
- Bing Huang
- Nanlou Respiratory Diseases Department, Chinese PLA General Hospital/Chinese PLA Postgraduate Medical School, Beijing, 100853, China
| | - Kun Cheng
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Limin Zhang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Ying Huang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Changting Liu
- Nanlou Respiratory Diseases Department, Chinese PLA General Hospital/Chinese PLA Postgraduate Medical School, Beijing, 100853, China.
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18
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Wang KKA, Ng TL, Wang P, Huang Z, Balskus EP, van der Donk WA. Glutamic acid is a carrier for hydrazine during the biosyntheses of fosfazinomycin and kinamycin. Nat Commun 2018; 9:3687. [PMID: 30206228 PMCID: PMC6133997 DOI: 10.1038/s41467-018-06083-7] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 08/14/2018] [Indexed: 01/03/2023] Open
Abstract
Fosfazinomycin and kinamycin are natural products that contain nitrogen-nitrogen (N-N) bonds but that are otherwise structurally unrelated. Despite their considerable structural differences, their biosynthetic gene clusters share a set of genes predicted to facilitate N-N bond formation. In this study, we show that for both compounds, one of the nitrogen atoms in the N-N bond originates from nitrous acid. Furthermore, we show that for both compounds, an acetylhydrazine biosynthetic synthon is generated first and then funneled via a glutamyl carrier into the respective biosynthetic pathways. Therefore, unlike other pathways to N-N bond-containing natural products wherein the N-N bond is formed directly on a biosynthetic intermediate, during the biosyntheses of fosfazinomycin, kinamycin, and related compounds, the N-N bond is made in an independent pathway that forms a branch of a convergent route to structurally complex natural products.
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Affiliation(s)
- Kwo-Kwang A Wang
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, 61801, IL, USA
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, 61801, IL, USA
| | - Tai L Ng
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, 02138, MA, USA
| | - Peng Wang
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, 02138, MA, USA
- Red & Charline McCombs Institute for the Early Detection and Treatment of Cancer, University of Texas MD Anderson Cancer Center, Houston, 77030, TX, USA
| | - Zedu Huang
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, 61801, IL, USA
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, 61801, IL, USA
- Department of Chemistry, Fudan University, Shanghai, 200438-6789, China
| | - Emily P Balskus
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, 02138, MA, USA.
| | - Wilfred A van der Donk
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, 61801, IL, USA.
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, 61801, IL, USA.
- Howard Hughes Medical Institute, Chevy Chase, 20815, MD, USA.
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19
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Substrate-assisted enzymatic formation of lysinoalanine in duramycin. Nat Chem Biol 2018; 14:928-933. [PMID: 30177849 PMCID: PMC6372306 DOI: 10.1038/s41589-018-0122-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Accepted: 07/17/2018] [Indexed: 02/07/2023]
Abstract
Duramycin is a heavily post-translationally modified peptide that binds phosphatidylethanolamine. It has been investigated as an antibiotic, inhibitor of viral entry, therapeutic for cystic fibrosis, and tumor and vasculature imaging agent. Duramycin contains a β-hydroxylated Asp (Hya) and four macrocycles, including an essential lysinoalanine (Lal) crosslink. The mechanism of Lal formation is not known. We here show that Lal is installed stereospecifically by DurN via addition of Lys19 to a dehydroalanine. The structure of DurN reveals an unusual dimer with a new fold. Surprisingly, in the structure of duramycin bound to DurN, no residues of the enzyme are near the Lal crosslink. Instead, Hya15 of the substrate makes interactions with Lal, suggesting it acts as a base to deprotonate Lys19 during catalysis. Biochemical data suggest that DurN preorganizes the reactive conformation of the substrate, such that the Hya15 of the substrate can serve as the catalytic base for Lal formation.
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20
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Giordano D, Costantini M, Coppola D, Lauritano C, Núñez Pons L, Ruocco N, di Prisco G, Ianora A, Verde C. Biotechnological Applications of Bioactive Peptides From Marine Sources. Adv Microb Physiol 2018; 73:171-220. [PMID: 30262109 DOI: 10.1016/bs.ampbs.2018.05.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
This review is an overview on marine bioactive peptides with promising activities for the development of alternative drugs to fight human pathologies. In particular, we focus on potentially prolific producers of peptides in microorganisms, including sponge-associated bacteria and marine photoautotrophs such as microalgae and cyanobacteria. Microorganisms are still poorly explored for drug discovery, even if they are highly metabolically plastic and potentially amenable to culturing. This offers the possibility of obtaining a continuous source of bioactive compounds to satisfy the challenging demands of pharmaceutical industries. This review targets peptides because of the variety of potent biological activities demonstrated by these molecules, including antiviral, antimicrobial, antifungal, antioxidant, anticoagulant, antihypertensive, anticancer, antidiabetic, antiobesity, and calcium-binding bioactivities. Several of these peptides have already gained recognition as effective drug agents in recent years. We also focus on cutting-edge omic approaches for the discovery of novel compounds for pharmacological applications. With rapid depletion of natural resources, omic technologies may be the solution to efficiently produce a vast variety of novel peptides with unique pharmacological potential.
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Affiliation(s)
- Daniela Giordano
- Institute of Biosciences and BioResources (IBBR), CNR, Napoli, Italy; Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Napoli, Italy
| | - Maria Costantini
- Institute of Biosciences and BioResources (IBBR), CNR, Napoli, Italy; Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Napoli, Italy
| | - Daniela Coppola
- Institute of Biosciences and BioResources (IBBR), CNR, Napoli, Italy
| | - Chiara Lauritano
- Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn, Napoli, Italy
| | - Laura Núñez Pons
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Napoli, Italy
| | - Nadia Ruocco
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Napoli, Italy; Department of Biology, University of Napoli Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cinthia, Napoli, Italy; Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry-CNR, Napoli, Italy
| | - Guido di Prisco
- Institute of Biosciences and BioResources (IBBR), CNR, Napoli, Italy
| | - Adrianna Ianora
- Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn, Napoli, Italy
| | - Cinzia Verde
- Institute of Biosciences and BioResources (IBBR), CNR, Napoli, Italy; Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Napoli, Italy; Dipartimento di Biologia, Università Roma 3, Roma, Italy.
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21
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Choudhary A, Naughton LM, Montánchez I, Dobson ADW, Rai DK. Current Status and Future Prospects of Marine Natural Products (MNPs) as Antimicrobials. Mar Drugs 2017; 15:md15090272. [PMID: 28846659 PMCID: PMC5618411 DOI: 10.3390/md15090272] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 08/12/2017] [Accepted: 08/23/2017] [Indexed: 12/31/2022] Open
Abstract
The marine environment is a rich source of chemically diverse, biologically active natural products, and serves as an invaluable resource in the ongoing search for novel antimicrobial compounds. Recent advances in extraction and isolation techniques, and in state-of-the-art technologies involved in organic synthesis and chemical structure elucidation, have accelerated the numbers of antimicrobial molecules originating from the ocean moving into clinical trials. The chemical diversity associated with these marine-derived molecules is immense, varying from simple linear peptides and fatty acids to complex alkaloids, terpenes and polyketides, etc. Such an array of structurally distinct molecules performs functionally diverse biological activities against many pathogenic bacteria and fungi, making marine-derived natural products valuable commodities, particularly in the current age of antimicrobial resistance. In this review, we have highlighted several marine-derived natural products (and their synthetic derivatives), which have gained recognition as effective antimicrobial agents over the past five years (2012–2017). These natural products have been categorized based on their chemical structures and the structure-activity mediated relationships of some of these bioactive molecules have been discussed. Finally, we have provided an insight into how genome mining efforts are likely to expedite the discovery of novel antimicrobial compounds.
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Affiliation(s)
- Alka Choudhary
- Department of Food Biosciences, Teagasc Food Research Centre Ashtown, Dublin D15 KN3K, Ireland.
| | - Lynn M Naughton
- School of Microbiology, University College Cork, Western Road, Cork City T12 YN60, Ireland.
| | - Itxaso Montánchez
- Department of Immunology, Microbiology and Parasitology, Faculty of Science, University of the Basque Country, (UPV/EHU), 48940 Leioa, Spain.
| | - Alan D W Dobson
- School of Microbiology, University College Cork, Western Road, Cork City T12 YN60, Ireland.
| | - Dilip K Rai
- Department of Food Biosciences, Teagasc Food Research Centre Ashtown, Dublin D15 KN3K, Ireland.
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