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Lu Y, Liu D, Jiang R, Li Z, Gao X. Prodigiosin: unveiling the crimson wonder - a comprehensive journey from diverse bioactivity to synthesis and yield enhancement. Front Microbiol 2024; 15:1412776. [PMID: 38903802 PMCID: PMC11188435 DOI: 10.3389/fmicb.2024.1412776] [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: 04/05/2024] [Accepted: 05/24/2024] [Indexed: 06/22/2024] Open
Abstract
Prodigiosin (PG) is a red tripyrrole pigment from the prodiginine family that has attracted widespread attention due to its excellent biological activities, including anticancer, antibacterial and anti-algal activities. The synthesis and production of PG is of particular significance, as it has the potential to be utilized in a number of applications, including those pertaining to clinical drug development, food safety, and environmental management. This paper provides a systematic review of recent research on PG, covering aspects like chemical structure, bioactivity, biosynthesis, gene composition and regulation, and optimization of production conditions, with a particular focus on the biosynthesis and regulation of PG in Serratia marcescens. This provides a solid theoretical basis for the drug development and production of PG, and is expected to promote the further development of PG in medicine and other applications.
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Affiliation(s)
- Yonglin Lu
- Medical Science and Technology Innovation Center, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Derun Liu
- Medical Science and Technology Innovation Center, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Renhui Jiang
- Jinan Vocational College of Nursing, Jinan, China
| | - Ziyun Li
- Department of Biostatistics, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xueyan Gao
- Medical Science and Technology Innovation Center, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
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Girão M, Freitas S, Martins TP, Urbatzka R, Carvalho MF, Leão PN. Decylprodigiosin: a new member of the prodigiosin family isolated from a seaweed-associated Streptomyces. Front Pharmacol 2024; 15:1347485. [PMID: 38576493 PMCID: PMC10991731 DOI: 10.3389/fphar.2024.1347485] [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: 11/30/2023] [Accepted: 03/11/2024] [Indexed: 04/06/2024] Open
Abstract
Bioprospecting actinobacterial secondary metabolism from untapped marine sources may lead to the discovery of biotechnologically-relevant compounds. While studying the diversity and bioactive potential of Actinomycetota associated with Codium tomentosum, a green seaweed collected in the northern Portuguese cost, strain CT-F61, identified as Streptomyces violaceoruber, was isolated. Its extracts displayed a strong anticancer activity on breast carcinoma T-47D and colorectal carcinoma HCT116 cells, being effective as well against a panel of human and fish pathogenic bacteria. Following a bioactivity-guided isolation pipeline, a new analogue of the red-pigmented family of the antibiotics prodigiosins, decylprodigiosin (1), was identified and chemically characterized. Despite this family of natural products being well-known for a long time, we report a new analogue and the first evidence for prodigiosins being produced by a seaweed-associated actinomycete.
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Affiliation(s)
- Mariana Girão
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
- School of Medicine and Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Sara Freitas
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
| | - Teresa P. Martins
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
| | - Ralph Urbatzka
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
| | - Maria F. Carvalho
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
- School of Medicine and Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Pedro N. Leão
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
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Boby F, Bhuiyan MNH, Saha BK, Dey SS, Saha AK, Islam MJ, Bashera MA, Moulick SP, Jahan F, Zaman MAU, Chowdhury SF, Naser SR, Khan MS, Sarkar MMH. In silico exploration of Serratia sp. BRL41 genome for detecting prodigiosin Biosynthetic Gene Cluster (BGC) and in vitro antimicrobial activity assessment of secreted prodigiosin. PLoS One 2023; 18:e0294054. [PMID: 37967102 PMCID: PMC10651056 DOI: 10.1371/journal.pone.0294054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 10/24/2023] [Indexed: 11/17/2023] Open
Abstract
The raising concern of drug resistance, having substantial impacts on public health, has instigated the search of new natural compounds with substantial medicinal activity. In order to find out a natural solution, the current study has utilized prodigiosin, a linear tripyrrole red pigment, as an active ingredient to control bacterial proliferation and prevent cellular oxidation caused by ROS (Reactive Oxygen Species). A prodigiosin-producing bacterium BRL41 was isolated from the ancient Barhind soil of BCSIR Rajshahi Laboratories, Bangladesh, and its morphological and biochemical characteristics were investigated. Whole genome sequencing data of the isolate revealed its identity as Serratia sp. and conferred the presence of prodigiosin gene cluster in the bacterial genome. "Prodigiosin NRPS", among the 10 analyzed gene clusters, showed 100% similarity with query sequences where pigC, pigH, pigI, and pigJ were identified as fundamental genes for prodigiosin biosynthesis. Some other prominent clusters for synthesis of ririwpeptides, yersinopine, trichrysobactin were also found in the chromosome of BRL41, whilst the rest displayed less similarity with query sequences. Except some first-generation beta-lactam resistance genes, no virulence and resistance genes were found in the genome of BRL41. Structural illumination of the extracted red pigment by spectrophotometric scanning, Thin-Layer Chromatography (TLC), Fourier Transform Infrared Spectroscopy (FTIR), and change of color at different pH solutions verified the identity of the isolated compound as prodigiosin. Serratia sp. BRL41 attained its maximum productivity 564.74 units/cell at temperature 30˚C and pH 7.5 in two-fold diluted nutrient broth medium. The compound exhibited promising antibacterial activity against Gram-positive and Gram-negative bacteria with MIC (Minimum Inhibitory Concentration) and MBC (Minimum Bactericidal Concentration) values ranged from 3.9 to15.62 μg/mL and 7.81 to 31.25 μg/mL respectively. At concentration 500 μg/mL, except in Salmonella enterica ATCC-10708, prodigiosin significantly diminished biofilm formed by Listeria monocytogens ATCC-3193, Pseudomonas aeruginosa ATCC-9027, Escherichia coli (environmental isolate), Staphylococcus aureus (environmental isolate). Cellular glutathione level (GSH) was elevated upon application of 250 and 500 μg/mL pigment where 125 μg/mL failed to show any free radical scavenging activity. Additionally, release of cellular components in growth media of both Gram-positive and Gram-negative bacteria were facilitated by the extract that might be associated with cell membrane destabilization. Therefore, the overall findings of antimicrobial, antibiofilm and antioxidant activities suggest that in time to come prodigiosin might be a potential natural source to treat various diseases and infections.
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Affiliation(s)
- Farhana Boby
- BCSIR Rajshahi Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Md. Nurul Huda Bhuiyan
- BCSIR Rajshahi Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Barun Kanti Saha
- BCSIR Rajshahi Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Subarna Sandhani Dey
- BCSIR Rajshahi Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Anik Kumar Saha
- BCSIR Rajshahi Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Md Jahidul Islam
- BCSIR Rajshahi Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Mahci Al Bashera
- BCSIR Rajshahi Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Shyama Prosad Moulick
- BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Farhana Jahan
- BCSIR Rajshahi Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | | | - Sanjana Fatema Chowdhury
- BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Showti Raheel Naser
- BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Md. Salim Khan
- BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Md. Murshed Hasan Sarkar
- BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
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Arivuselvam R, Dera AA, Parween Ali S, Alraey Y, Saif A, Hani U, Arumugam Ramakrishnan S, Azeeze MSTA, Rajeshkumar R, Susil A, Harindranath H, Kumar BRP. Isolation, Identification, and Antibacterial Properties of Prodigiosin, a Bioactive Product Produced by a New Serratia marcescens JSSCPM1 Strain: Exploring the Biosynthetic Gene Clusters of Serratia Species for Biological Applications. Antibiotics (Basel) 2023; 12:1466. [PMID: 37760761 PMCID: PMC10526024 DOI: 10.3390/antibiotics12091466] [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: 08/27/2023] [Revised: 09/13/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Prodigiosin pigment has high medicinal value, so exploring this compound is a top priority. This report presents a prodigiosin bioactive compound isolated from Serratia marcescens JSSCPM1, a new strain. The purification process of this compound involves the application of different chromatographic methods, including UV-visible spectroscopy, high-performance liquid chromatography (HPLC), and liquid chromatography-mass spectrometry (LC/MS). Subsequent analysis was performed using nuclear magnetic resonance (NMR) to achieve a deeper understanding of the compound's structure. Finally, through a comprehensive review of the existing literature, the structural composition of the isolated bioactive compound was found to correspond to that of the well-known compound prodigiosin. The isolated prodigiosin compound was screened for antibacterial activity against both Gram-positive and Gram-negative bacteria. The compound inhibited the growth of Gram-negative bacterial strains compared with Gram-positive bacterial strains. It showed a maximum minimum inhibitory concentration against Escherichia coli NCIM 2065 at a 15.9 ± 0.31 μg/mL concentration. The potential binding capabilities between prodigiosin and the OmpF porin proteins (4GCS, 4GCP, and 4GCQ) were determined using in silico studies, which are generally the primary targets of different antibiotics. Comparative molecular docking analysis indicated that prodigiosin exhibits a good binding affinity toward these selected drug targets.
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Affiliation(s)
- Rajaguru Arivuselvam
- Department of Pharmaceutical Biotechnology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty 643001, TN, India; (R.A.); (S.A.R.)
- Department of Pharmaceutical Biotechnology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Sri Shivarathreeshwara Nagar, Mysore 570015, KA, India
| | - Ayed A. Dera
- Department of Clinical Laboratory Sciences, Central Research Laboratory, College of Applied Medical Sciences, King Khalid University, Abha 62529, Saudi Arabia; (A.A.D.); (S.P.A.); (Y.A.)
| | - Syed Parween Ali
- Department of Clinical Laboratory Sciences, Central Research Laboratory, College of Applied Medical Sciences, King Khalid University, Abha 62529, Saudi Arabia; (A.A.D.); (S.P.A.); (Y.A.)
| | - Yasser Alraey
- Department of Clinical Laboratory Sciences, Central Research Laboratory, College of Applied Medical Sciences, King Khalid University, Abha 62529, Saudi Arabia; (A.A.D.); (S.P.A.); (Y.A.)
| | - Ahmed Saif
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha 62529, Saudi Arabia;
| | - Umme Hani
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Guraiger, Abha 62529, Saudi Arabia;
| | - Sivaa Arumugam Ramakrishnan
- Department of Pharmaceutical Biotechnology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty 643001, TN, India; (R.A.); (S.A.R.)
- Department of Pharmaceutical Biotechnology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Sri Shivarathreeshwara Nagar, Mysore 570015, KA, India
| | | | - Raman Rajeshkumar
- Department of Pharmaceutical Biotechnology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty 643001, TN, India; (R.A.); (S.A.R.)
| | - Aishwarya Susil
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Sri Shivarathreeshwara Nagar, Mysore 570015, KA, India (H.H.)
| | - Haritha Harindranath
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Sri Shivarathreeshwara Nagar, Mysore 570015, KA, India (H.H.)
| | - B. R. Prashantha Kumar
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Sri Shivarathreeshwara Nagar, Mysore 570015, KA, India (H.H.)
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Yu J, Hermann M, Smith R, Tomm H, Metwally H, Kolwich J, Liu C, Le Blanc JCY, Covey TR, Ross AC, Oleschuk R. Hyperspectral Visualization-Based Mass Spectrometry Imaging by LMJ-SSP: A Novel Strategy for Rapid Natural Product Profiling in Bacteria. Anal Chem 2023; 95:2020-2028. [PMID: 36634199 DOI: 10.1021/acs.analchem.2c04550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Mass spectrometry imaging (MSI) has been widely used to discover natural products (NPs) from underexplored microbiological sources. However, the technique is limited by incompatibility with complicated/uneven surface topography and labor-intensive sample preparation, as well as lengthy compound profiling procedures. Here, liquid micro-junction surface sampling probe (LMJ-SSP)-based MSI is used for rapid profiling of natural products from Gram-negative marine bacteria Pseudoalteromonas on nutrient agar media without any sample preparation. A conductance-based autosampling platform with 1 mm spatial resolution and an innovative multivariant analysis-driven method was used to create one hyperspectral image for the sampling area. NP discovery requires general spatial correlation between m/z and colony location but not highly precise spatial resolution. The hyperspectral image was used to annotate different m/z by straightforward color differences without the need to directly interrogate the spectra. To demonstrate the utility of our approach, the rapid analysis of Pseudoalteromonas rubra DSM6842, Pseudoalteromonas tunicata DSM14096, Pseudoalteromonas piscicida JCM20779, and Pseudoalteromonas elyakovii ATCC700519 cultures was directly performed on Agar. Various natural products, including prodiginine and tambjamine analogues, were quickly identified from the hyperspectral image, and the dynamic extracellular environment was shown with compound heatmaps. Hyperspectral visualization-based MSI is an efficient and sensitive strategy for direct and rapid natural product profiling from different Pseudoalteromonas strains.
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Affiliation(s)
- Jian Yu
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Matthias Hermann
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Rachael Smith
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Hailey Tomm
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Haidy Metwally
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Jennifer Kolwich
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Chang Liu
- SCIEX, Concord, Ontario L4K 4 V8, Canada
| | | | | | - Avena C Ross
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Richard Oleschuk
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
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Structures, biosynthesis, and bioactivities of prodiginine natural products. Appl Microbiol Biotechnol 2022; 106:7721-7735. [DOI: 10.1007/s00253-022-12245-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 10/06/2022] [Accepted: 10/12/2022] [Indexed: 11/17/2022]
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Orlandi VT, Martegani E, Giaroni C, Baj A, Bolognese F. Bacterial pigments: A colorful palette reservoir for biotechnological applications. Biotechnol Appl Biochem 2022; 69:981-1001. [PMID: 33870552 PMCID: PMC9544673 DOI: 10.1002/bab.2170] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 04/09/2021] [Indexed: 12/12/2022]
Abstract
Synthetic derivatives are currently used instead of pigments in many applicative fields, from food to feed, from pharmaceutical to diagnostic, from agronomy to industry. Progress in organic chemistry allowed to obtain rather cheap compounds covering the whole color spectrum. However, several concerns arise from this chemical approach, as it is mainly based on nonrenewable resources such as fossil oil, and the toxicity or carcinogenic properties of products and/or precursors may be harmful for personnel involved in the productive processes. In this scenario, microorganisms and their pigments represent a colorful world to discover and reconsider. Each living bacterial strain may be a source of secondary metabolites with peculiar functions. The aim of this review is to link the physiological role of bacterial pigments with their potential use in different biotechnological fields. This enormous potential supports the big challenge for the development of strategies useful to identify, produce, and purify the right pigment for the desired application. At the end of this ideal journey through the world of bacterial pigments, the attention will be focused on melanin compounds, whose production relies upon different techniques ranging from natural producers, heterologous hosts, or isolated enzymes. In a green workflow, the microorganisms represent the starting and final point of pigment production.
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Affiliation(s)
| | - Eleonora Martegani
- Department of Biotechnologies and Life SciencesUniversity of InsubriaVareseItaly
| | - Cristina Giaroni
- Department of Medicine and SurgeryUniversity of InsubriaVareseItaly
| | - Andreina Baj
- Department of Medicine and SurgeryUniversity of InsubriaVareseItaly
| | - Fabrizio Bolognese
- Department of Biotechnologies and Life SciencesUniversity of InsubriaVareseItaly
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Islan GA, Rodenak-Kladniew B, Noacco N, Duran N, Castro GR. Prodigiosin: a promising biomolecule with many potential biomedical applications. Bioengineered 2022; 13:14227-14258. [PMID: 35734783 PMCID: PMC9342244 DOI: 10.1080/21655979.2022.2084498] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Pigments are among the most fascinating molecules found in nature and used by human civilizations since the prehistoric ages. Although most of the bio-dyes reported in the literature were discovered around the eighties, the necessity to explore novel compounds for new biological applications has made them resurface as potential alternatives. Prodigiosin (PG) is an alkaloid red bio-dye produced by diverse microorganisms and composed of a linear tripyrrole chemical structure. PG emerges as a really interesting tool since it shows a wide spectrum of biological activities, such as antibacterial, antifungal, algicidal, anti-Chagas, anti-amoebic, antimalarial, anticancer, antiparasitic, antiviral, and/or immunosuppressive. However, PG vehiculation into different delivery systems has been proposed since possesses low bioavailability because of its high hydrophobic character (XLogP3-AA = 4.5). In the present review, the general aspects of the PG correlated with synthesis, production process, and biological activities are reported. Besides, some of the most relevant PG delivery systems described in the literature, as well as novel unexplored applications to potentiate its biological activity in biomedical applications, are proposed.
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Affiliation(s)
- German A Islan
- Desarrollo en Fermentaciones Industriales (CINDEFI), Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP) -CONICET (CCT La Plata)Laboratorio de Nanobiomateriales, Centro de Investigación y , La Plata, Argentina
| | - Boris Rodenak-Kladniew
- Facultad de Ciencias Médicas, Instituto de Investigaciones Bioquímicas de La Plata (INIBIOLP), CONICET-UNLP, CCT-La Plata, La Plata, Pcia de Bueos aires, Argentina
| | - Nehuen Noacco
- Desarrollo en Fermentaciones Industriales (CINDEFI), Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP) -CONICET (CCT La Plata)Laboratorio de Nanobiomateriales, Centro de Investigación y , La Plata, Argentina
| | - Nelson Duran
- Laboratory of Urogenital Carcinogenesis and Immunotherapy, Biological Institute, Department of Structural and Functional Biology, University of Campinas, Campinas, Brazil.,Nanomedicine Research Unit (Nanomed), Federal University of Abc (Ufabc), Santo André, Brazil
| | - Guillermo R Castro
- Laboratory of Urogenital Carcinogenesis and Immunotherapy, Biological Institute, Department of Structural and Functional Biology, University of Campinas, Campinas, Brazil.,. Partner Laboratory of the Max Planck Institute for Biophysical Chemistry (MPIbpC, MPG). Centro de Estudios Interdisciplinarios (CEI), Universidad Nacional de RosarioMax Planck Laboratory for Structural Biology, Chemistry and Molecular Biophysics of Rosario (MPLbioR, UNR-MPIbpC), Rosario, Argentina
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Study on the Anticancer Activity of Prodigiosin from Variants of Serratia Marcescens QBN VTCC 910026. BIOMED RESEARCH INTERNATIONAL 2022; 2022:4053074. [PMID: 35509712 PMCID: PMC9061010 DOI: 10.1155/2022/4053074] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 02/08/2022] [Accepted: 03/12/2022] [Indexed: 11/18/2022]
Abstract
Prodigiosin (Pg), a secondary metabolism produced by numerous bacterial species, is known as anticancer, antibacterial, antifungal, immunosuppressant, antioxidant, antimalarial properties. Pg has been tested for antitumor activity in many different cancer cell lines but studies in LU-1, KB cell lines, and tumor-bearing mice are still limited. In this study, Serratia marcescens QBN VTCC 910026 strain (GenBank: KX674054.1) was mutated using Ethyl Methanesulfonate (EMS) to increase the production of Pg. One strain known as EMS 5 was capable of increasing prodigiosin biosynthetic yield by 52% when compared to the wild-type strain. Red bacterial pigmented colonies containing Pg were collected from solid media, lysed with acetone, purified with toluene: ethyl acetate at a ratio of 9: 1 (v/v), and then used to evaluate the potential anticancer activity. The purity of Pg was confirmed using a high-performance liquid chromatography (HPLC) method which indicated a 98% rate. Pg chemical formula which was determined using 1H-NMR and 13C-NMR spectroscopy, confirmed as prodigiosin (Pg). Human breast cancer cell lines MCF-7, oropharyngeal cancer KB, and particularly lung cancer LU-1 in vitro were used to test the anticancer activity of purified Pg compound. It showed a strong inhibitory ability in all the cancer cell lines. Furthermore, the isolated Pg had capable of inhibiting tumor growth, the tumor volume decreased by 36.82%, after 28 days. The results indicated that the bacterial prodigiosin from variants Serratia marcescens QBN VTCC 910026 strain is an encouraging fragment suitable for therapeutic applications.
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He S, Li P, Wang J, Zhang Y, Lu H, Shi L, Huang T, Zhang W, Ding L, He S, Liu L. Discovery of New Secondary Metabolites from Marine Bacteria Hahella Based on an Omics Strategy. Mar Drugs 2022; 20:md20040269. [PMID: 35447942 PMCID: PMC9030710 DOI: 10.3390/md20040269] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/13/2022] [Accepted: 04/13/2022] [Indexed: 02/05/2023] Open
Abstract
Hahella is one characteristic genus under the Hahellaceae family and shows a good potential for synthesizing new natural products. In this study, we examined the distribution of the secondary metabolite biosynthetic gene cluster (SMBGC) under Hahella with anti-SMASH. The results derived from five genomes released 70 SMBGCs. On average, each strain contains 12 gene clusters, and the most abundant ones (45.7%) are from the family of non-ribosomal peptide synthetase (NRPS) and non-ribosomal peptide synthetase hybrid with polyketide synthase (NRPS/PKS), indicating a great potential to find bioactive compounds. The comparison of SMBGC between H. chejuensis and other species showed that H. chejuensis contained two times more gene clusters than H. ganghwensis. One strain, designed as NBU794, was isolated from the mangrove soil of Dongzhai Port in Haikou (China) by iChip. The 16S rRNA gene of NBU794 exhibited 99% identity to H. chejuensis KCTC 2396 and clustered with the H. chejuensis clade on the phylogenetic trees. Genome mining on strain NBU794 released 17 SMBGCs and two groups of bioactive compounds, which are chejuenolide A-C and nine prodiginines derivatives. The prodiginines derivatives include the well-known lead compound prodigiosin and two new compounds, 2-methyl-3-pentyl-4-O-methyl-prodiginine and 2-methyl-3-octyl-prodiginine, which were identified through fragmentation analysis based on LC-MS/MS. The anti-microbial activity assay showed prodigiosin and 2-methyl-3-heptyl-prodiginine exhibited the best performance in inhibiting Escherichia coli, Salmonella paratyphi B, MASA Staphylococcus aureus, Bacillus subtilis, and Candida albicans. Moreover, the yield of prodigiosin in H. chejuensis NBU794 was also evaluated, which could reach 1.40 g/L under the non-optimized condition and increase to 5.83 g/L in the modified ISP4 medium with macroporous adsorption beads added, indicating that NBU794 is a promising source of prodigiosin.
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Affiliation(s)
- Shufen He
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (S.H.); (P.L.); (J.W.); (Y.Z.); (H.L.); (L.S.); (W.Z.); (L.D.); (S.H.)
| | - Peishan Li
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (S.H.); (P.L.); (J.W.); (Y.Z.); (H.L.); (L.S.); (W.Z.); (L.D.); (S.H.)
| | - Jingxuan Wang
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (S.H.); (P.L.); (J.W.); (Y.Z.); (H.L.); (L.S.); (W.Z.); (L.D.); (S.H.)
| | - Yanzhu Zhang
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (S.H.); (P.L.); (J.W.); (Y.Z.); (H.L.); (L.S.); (W.Z.); (L.D.); (S.H.)
| | - Hongmei Lu
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (S.H.); (P.L.); (J.W.); (Y.Z.); (H.L.); (L.S.); (W.Z.); (L.D.); (S.H.)
| | - Liufei Shi
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (S.H.); (P.L.); (J.W.); (Y.Z.); (H.L.); (L.S.); (W.Z.); (L.D.); (S.H.)
| | - Tao Huang
- Department of Food Science and Engineering, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315211, China;
| | - Weiyan Zhang
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (S.H.); (P.L.); (J.W.); (Y.Z.); (H.L.); (L.S.); (W.Z.); (L.D.); (S.H.)
| | - Lijian Ding
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (S.H.); (P.L.); (J.W.); (Y.Z.); (H.L.); (L.S.); (W.Z.); (L.D.); (S.H.)
| | - Shan He
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (S.H.); (P.L.); (J.W.); (Y.Z.); (H.L.); (L.S.); (W.Z.); (L.D.); (S.H.)
- Ningbo Institute of Marine Medicine, Peking University, Ningbo 315800, China
| | - Liwei Liu
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (S.H.); (P.L.); (J.W.); (Y.Z.); (H.L.); (L.S.); (W.Z.); (L.D.); (S.H.)
- Correspondence:
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11
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Qiu S, Xu D, Xu M, Zhou H, Sun N, Zhang L, Zhao M, He J, Ran T, Sun B, Wang W. Crystal structures of PigF, an O-methyltransferase involved in the prodigiosin synthetic pathway, reveal an induced-fit substrate-recognition mechanism. IUCRJ 2022; 9:316-327. [PMID: 35371495 PMCID: PMC8895007 DOI: 10.1107/s2052252521011696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 11/04/2021] [Indexed: 06/14/2023]
Abstract
Prodigiosin, a red linear tripyrrole pigment, is a typical secondary metabolite with numerous biological functions, such as anticancer, antibacterial and immunosuppressant activities, and is synthesized through a bifurcated biosynthesis pathway from 4-methoxy-2,2'-bipyrrole-5-carbaldehyde (MBC) and 2-methyl-3-n-amylpyrrole (MAP). The last step in the biosynthetic pathway of MBC is catalysed by PigF, which transfers a methyl group to 4-hydroxy-2,20-bipyrrole-5-carbaldehyde (HBC) to form the final product MBC. However, the catalytic mechanism of PigF is still elusive. In this study, crystal structures of apo PigF and S-adenosylhomocysteine (SAH)-bound PigF were determined. PigF forms a homodimer and each monomer consists of two domains: a C-terminal catalytic domain and an N-terminal dimerization domain. Apo PigF adopts an open conformation, while the structure of the complex with the product SAH adopts a closed conformation. The binding of SAH induces dramatic conformational changes of PigF, suggesting an induced-fit substrate-binding mechanism. Further structural comparison suggests that this induced-fit substrate-recognition mechanism may generally exist in O-methyltransferases. Docking and mutation studies identified three key residues (His98, His247 and Asp248) that are crucial for enzyme activity. The essential function of His247 and Asp248 and structure analysis suggests that both residues are involved in activation of the HBC substrate of PigF. The invariance of Asp248 in PigF further confirmed its essential role. The invariance and essential role of His98 in PigF suggests that it is involved in correctly positioning the substrate. This study provides new insight into the catalytic mechanism of PigF, reveals an induced-fit substrate-recognition model for PigF and broadens the understanding of O-methyltransferases.
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Affiliation(s)
- Shenshen Qiu
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, People’s Republic of China
| | - Dongqing Xu
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, People’s Republic of China
| | - Mengxue Xu
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, People’s Republic of China
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, People’s Republic of China
| | - Huan Zhou
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, People’s Republic of China
| | - Ning Sun
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, People’s Republic of China
| | - Li Zhang
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, People’s Republic of China
| | - Mengmeng Zhao
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, People’s Republic of China
| | - Jianhua He
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, People’s Republic of China
| | - Tingting Ran
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, People’s Republic of China
| | - Bo Sun
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, People’s Republic of China
| | - Weiwu Wang
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, People’s Republic of China
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12
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Begum SMFM, Hemalatha S. Gelidiella acerosa Compounds Target NFκB Cascade in Lung Adenocarcinoma. Appl Biochem Biotechnol 2021; 194:1566-1579. [PMID: 34811638 DOI: 10.1007/s12010-021-03761-z] [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: 07/27/2021] [Accepted: 11/08/2021] [Indexed: 10/19/2022]
Abstract
In carcinogenesis, increased metabolism, abnormal functioning of mitochondria, peroxisomes, aberrant cell signaling, and prolonged inflammation can result in the overproduction of reactive oxygen species (ROS). In turn, excess ROS can upregulate the expression of various signaling pathways including the MAP kinase, PI3K/Akt, and NFκB cascades in cancer. The constitutive expression of NFκB causes drug resistance in lung cancer. Hence, drugs that can enhance the antioxidant activity of enzymes and regulate the NFκB activity are of prime target to manage the drug resistance and inflammation in cancer. This study evaluated the effect of compounds present in ethyl acetate extract of Gelidiella acerosa on inflammation and on antioxidant enzymes in lung cancer. The anti-inflammatory activity was determined under in silico and in vitro conditions. The in silico analysis showed that the phyto-constituents of G. acerosa inhibit the IKBα-NFκB-p65-p50 complex in a similar way as that of doxorubicin and dexamethasone. Similarly, G. acerosa treatment enhanced the efficiency of antioxidant enzymes peroxidases and superoxide dismutase in A549 lung cancer cells. Furthermore, the results of in vitro analysis showed that G. acerosa can decrease the activation of NFκB and production of pro-inflammatory cytokines and upregulate the expression of IL 10. As inflammation causes cancer progression, the inhibition of inflammation inhibits tumorigenesis. Hence, based on the results of the study, it can be concluded that G. acerosa exerts anti-inflammatory activity by decreasing the expression of NFκB cascade and moreover, the phyto-constituents of G. acerosa may have the potential to regulate the inflammatory response.
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Affiliation(s)
- S M Fazeela Mahaboob Begum
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600048, India.,Department of Biochemistry, New Prince Shri Bhavani Arts and Science College, Chennai, India
| | - S Hemalatha
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600048, India.
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13
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Huang Z, Su P, Lai Q. Proposal of Zooshikellaceae fam. nov. to accommodate the genera Zooshikella and Spartinivicinus and reclassification of Zooshikella marina as a later heterotypic synonym of Zooshikella ganghwensis based on whole genome sequence analysis. Int J Syst Evol Microbiol 2021; 71. [PMID: 34705624 DOI: 10.1099/ijsem.0.005055] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The genus Spartinivicinus, affiliated to the class Gammaproteobacteria, is an important marine member that produces prodiginines. Currently, its taxonomic assignment to family level is not well presented. Phylogeny of 16S rRNA gene sequences indicated that Spartinivicinus forms a monophyletic clade with Zooshikella, which is neighboured by Aestuariirhabdus of the family Aestuariirhabdaceae and another monophyletic clade of the family Endozoicomonadaceae. The 16S rRNA gene of Spartinivicinus ruber S2-4-1HT had sequence similarities to those of Aestuariirhabdus litorea GTF13T, Zooshikella members and Endozoicomonas members of 93.4%, 93.2-93.4 and <92.5 %, respectively. Phylogenomic analysis based on 120 bacterial conserved single-copy genes highly supported placing Spartinivicinus as a sister member of Zooshikella, neighboured by Aestuariirhabdaceae and Endozoicomonadaceae members, indicating that Spartinivicinus and Zooshikella could be considered to belong to the same family. Thus, Zooshikellaceae fam. nov. is proposed to accommodate the two genera. Colonies of Spartinivicinus and Zooshikella are red-pigmented, which is different from Aestuariirhabdus (pale-yellow pigmented). The major respiratory quinone of S. ruber was ubiquinone (Q-9), similar to Zooshikella, but distinct from Aestuariirhabdus (Q-9 and Q-8). The predominant fatty acids and polar lipids of Spartinivicinus also showed a similar patterns to Zooshikella, but they were different from Aestuariirhabdus. Lastly, Spartinivicinus possessed a genome size of 6.68 Mbp and DNA G+C content of 40.1mol%, similar to Zooshikella, but much larger than Aestuariirhabdus. In addition, the 16S rRNA genes of Z. ganghwensis JC2044T and Z. marina JC333T possess sequence similarity of 99.79 %. Whole genome comparisons indicated that they shared 79.8 % digital DNA-DNA hybridization, 97.78 % average nucleotide identity and 97.31 % average amino acid identity values. Activities of catalase and oxidase for the two strains were positive. Hydrolysis of skimmed milk and Tweens (40, 60 and 80) was positive. Interestingly, the two strains produced different kinds of prodiginines. We propose that Z. marina is a later heterotypic synonym of Zooshikella ganghwensis.
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Affiliation(s)
- Zhaobin Huang
- College of Oceanology and Food Science, Quanzhou Normal University, Quanzhou, PR China.,Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou, PR China
| | - Peiying Su
- College of Oceanology and Food Science, Quanzhou Normal University, Quanzhou, PR China
| | - Qiliang Lai
- Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, PR China
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14
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Ramesh C, Anwesh M, Vinithkumar NV, Kirubagaran R, Dufossé L. Complete Genome Analysis of Undecylprodigiosin Pigment Biosynthesizing Marine Streptomyces Species Displaying Potential Bioactive Applications. Microorganisms 2021; 9:microorganisms9112249. [PMID: 34835376 PMCID: PMC8618203 DOI: 10.3390/microorganisms9112249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/17/2021] [Accepted: 10/24/2021] [Indexed: 01/07/2023] Open
Abstract
Marine Streptomyces species are underexplored for their pigment molecules and genes. In this study, we report the genome of the undecylprodigiosin biosynthesizing gene cluster carrying Streptomyces sp. strain BSE6.1, displaying antioxidant, antimicrobial, and staining properties. This Gram-positive obligate aerobic bacterium was isolated from the coastal sediment of the Andaman and Nicobar Islands, India. Pink to reddish pigmented colonies with whitish powdery spores on both agar and broth media are the important morphological characteristics of this bacterium. Growth tolerance to NaCl concentrations was 2 to 7%. The assembled genome of Streptomyces sp. BSE6.1 contains one linear chromosome 8.02 Mb in length with 7157 protein-coding genes, 82 tRNAs, 3 rRNAs and at least 11 gene clusters related to the synthesis of various secondary metabolites, including undecylprodigiosin. This strain carries type I, type II, and type III polyketide synthases (PKS) genes. Type I PKS gene cluster is involved in the biosynthesis of red pigment undecylprodigiosin of BSE6.1, similar to the one found in the S. coelicolor A3(2). This red pigment was reported to have various applications in the food and pharmaceutical industries. The genome of Streptomyces sp. BSE6.1 was submitted to NCBI with a BioProject ID of PRJNA514840 (Sequence Read Archive ID: SRR10849367 and Genome accession ID: CP085300).
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Affiliation(s)
- Chatragadda Ramesh
- National Institute of Oceanography (CSIR-NIO), Dona Paula 403004, Goa, India
- Atal Centre for Ocean Science and Technology for Islands, National Institute of Ocean Technology (NIOT), Ministry of Earth Sciences (MOES), Government of India (GOI), Dollygunj, Port Blair 744103, Andaman and Nicobar Islands, India;
- Correspondence: (C.R.); (M.A.); (L.D.)
| | - Maile Anwesh
- Model Rural Health Research Unit (ICMR-MRHRU), Dahanu 401601, Maharashtra, India
- Correspondence: (C.R.); (M.A.); (L.D.)
| | - Nambali Valsalan Vinithkumar
- Atal Centre for Ocean Science and Technology for Islands, National Institute of Ocean Technology (NIOT), Ministry of Earth Sciences (MOES), Government of India (GOI), Dollygunj, Port Blair 744103, Andaman and Nicobar Islands, India;
| | - Ramalingam Kirubagaran
- Marine Biotechnology Group, National Institute of Ocean Technology, MOES, GOI, Chennai 600100, Tamil Nadu, India;
| | - Laurent Dufossé
- Chemistry and Biotechnology of Natural Products, CHEMBIOPRO, Université de La Réunion, ESIROI Agroalimentaire, 15 Avenue René Cassin, CEDEX 9, F-97744 Saint-Denis, France
- Correspondence: (C.R.); (M.A.); (L.D.)
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15
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Wang YJ, Wang W, You ZY, Liu XX. Observation of synergistic antibacterial properties of prodigiosin from Serratia marcescens jx-1 with metal ions in clinical isolates of Staphylococcus aureus. Prep Biochem Biotechnol 2021; 52:344-350. [PMID: 34289781 DOI: 10.1080/10826068.2021.1944201] [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] [Indexed: 10/20/2022]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) infections are a major global health problem, and novel and effective antimicrobial drugs are urgently required to combat this life-threatening pathogen. Prodigiosin (PG) is a bacterial secondary metabolite with excellent anticancer and antibacterial properties. However, little is known about the antibacterial function of PG against MRSA. Therefore, the antibacterial efficacy of PG alone and PG in combination with different metal ions against clinic isolates of MRSA and methicillin-sensitive S. aureus (MSSA) strain was evaluated in the present study. The minimum inhibitory concentration of PG against both MRSA and MSSA was 0.25 μg/mL. However, 0.1 μg/mL PG showed a stronger inhibitory effect on MSSA cell growth (47.12%) than on MRSA cell growth (35.87%). Surprisingly, we observed a significant difference (p < 0.01) in membrane integrity between PG-treated MRSA and MSSA using the propidium iodide staining assay. Further, we found that in combination with PG, Zn2+, Al3+, and Cu2+ showed synergistic antibacterial effects against MRSA and MSSA. Our results could increase the current knowledge regarding the efficacy of PG in inhibiting the growth of different types of S. aureus clinical isolates and also offer a novel strategy for developing efficient antibacterial agents.
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Affiliation(s)
- Yu-Jie Wang
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, China
| | - Wei Wang
- Clinical Laboratory of First Hospital of Jiaxing, Jiaxing, China
| | - Zhong-Yu You
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, China
| | - Xiao-Xia Liu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, China
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16
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Yip CH, Mahalingam S, Wan KL, Nathan S. Prodigiosin inhibits bacterial growth and virulence factors as a potential physiological response to interspecies competition. PLoS One 2021; 16:e0253445. [PMID: 34161391 PMCID: PMC8221495 DOI: 10.1371/journal.pone.0253445] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 06/06/2021] [Indexed: 11/19/2022] Open
Abstract
Prodigiosin, a red linear tripyrrole pigment, has long been recognised for its antimicrobial property. However, the physiological contribution of prodigiosin to the survival of its producing hosts still remains undefined. Hence, the aim of this study was to investigate the biological role of prodigiosin from Serratia marcescens, particularly in microbial competition through its antimicrobial activity, towards the growth and secreted virulence factors of four clinical pathogenic bacteria (methicillin-resistant Staphylococcus aureus (MRSA), Enterococcus faecalis, Salmonella enterica serovar Typhimurium and Pseudomonas aeruginosa) as well as Staphylococcus aureus and Escherichia coli. Prodigiosin was first extracted from S. marcescens and its purity confirmed by absorption spectrum, high performance liquid chromatography (HPLC) and liquid chromatography-tandem mass spectrophotometry (LC-MS/MS). The extracted prodigiosin was antagonistic towards all the tested bacteria. A disc-diffusion assay showed that prodigiosin is more selective towards Gram-positive bacteria and inhibited the growth of MRSA, S. aureus and E. faecalis and Gram-negative E. coli. A minimum inhibitory concentration of 10 μg/μL of prodigiosin was required to inhibit the growth of S. aureus, E. coli and E. faecalis whereas > 10 μg/μL was required to inhibit MRSA growth. We further assessed the effect of prodigiosin towards bacterial virulence factors such as haemolysin and production of protease as well as on biofilm formation. Prodigiosin did not inhibit haemolysis activity of clinically associated bacteria but was able to reduce protease activity for MRSA, E. coli and E. faecalis as well as decrease E. faecalis, Salmonella Typhimurium and E. coli biofilm formation. Results of this study show that in addition to its role in inhibiting bacterial growth, prodigiosin also inhibits the bacterial virulence factor protease production and biofilm formation, two strategies employed by bacteria in response to microbial competition. As clinical pathogens were more resistant to prodigiosin, we propose that prodigiosin is physiologically important for S. marcescens to compete against other bacteria in its natural soil and surface water environments.
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Affiliation(s)
- Chee-Hoo Yip
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Selangor, Malaysia
| | - Sobina Mahalingam
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Selangor, Malaysia
| | - Kiew-Lian Wan
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Selangor, Malaysia
| | - Sheila Nathan
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Selangor, Malaysia
- * E-mail:
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17
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Li X, Tan X, Zhang J, Zhang J. Complete Genome Sequences of One Prodigiosin-Producing Serratia marcescens Strain ZPG19. Front Bioeng Biotechnol 2021; 9:665077. [PMID: 34046401 PMCID: PMC8144439 DOI: 10.3389/fbioe.2021.665077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 04/06/2021] [Indexed: 11/13/2022] Open
Affiliation(s)
- Xue Li
- State Key Laboratory of Biobased Material and Green Papermaking, School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Xinfeng Tan
- State Key Laboratory of Biobased Material and Green Papermaking, School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Jing Zhang
- State Key Laboratory of Biobased Material and Green Papermaking, School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Jie Zhang
- State Key Laboratory of Biobased Material and Green Papermaking, School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
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18
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Clements T, Rautenbach M, Ndlovu T, Khan S, Khan W. A Metabolomics and Molecular Networking Approach to Elucidate the Structures of Secondary Metabolites Produced by Serratia marcescens Strains. Front Chem 2021; 9:633870. [PMID: 33796505 PMCID: PMC8007976 DOI: 10.3389/fchem.2021.633870] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 01/27/2021] [Indexed: 01/29/2023] Open
Abstract
An integrated approach that combines reverse-phase high-performance liquid chromatography (RP-HPLC), electrospray ionization mass spectrometry, untargeted ultra-performance liquid chromatography coupled to tandem mass spectrometry (UPLC-MSE) and molecular networking (using the Global Natural Products Social molecular network platform) was used to elucidate the metabolic profiles and chemical structures of the secondary metabolites produced by pigmented (P1) and non-pigmented (NP1) Serratia marcescens (S. marcescens) strains. Tandem mass spectrometry-based molecular networking guided the structural elucidation of 18 compounds for the P1 strain (including 6 serratamolides, 10 glucosamine derivatives, prodigiosin and serratiochelin A) and 15 compounds for the NP1 strain (including 8 serratamolides, 6 glucosamine derivatives and serratiochelin A) using the MSE fragmentation profiles. The serratamolide homologues were comprised of a peptide moiety of two L-serine residues (cyclic or open-ring) linked to two fatty acid chains (lengths of C10, C12, or C12:1). Moreover, the putative structure of a novel open-ring serratamolide homologue was described. The glucosamine derivative homologues (i.e., N-butylglucosamine ester derivatives) consisted of four residues, including glucose/hexose, valine, a fatty acid chain (lengths of C13 - C17 and varying from saturated to unsaturated) and butyric acid. The putative structures of seven novel glucosamine derivative homologues and one glucosamine derivative congener (containing an oxo-hexanoic acid residue instead of a butyric acid residue) were described. Moreover, seven fractions collected during RP-HPLC, with major molecular ions corresponding to prodigiosin, serratamolides (A, B, and C), and glucosamine derivatives (A, C, and E), displayed antimicrobial activity against a clinical Enterococcus faecalis S1 strain using the disc diffusion assay. The minimum inhibitory and bactericidal concentration assays however, revealed that prodigiosin exhibited the greatest antimicrobial potency, followed by glucosamine derivative A and then the serratamolides (A, B, and C). These results provide crucial insight into the secondary metabolic profiles of pigmented and non-pigmented S. marcescens strains and confirms that S. marcescens strains are a promising natural source of novel antimicrobial metabolites.
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Affiliation(s)
- Tanya Clements
- Department of Microbiology, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
| | - Marina Rautenbach
- BioPep™ Peptide Group, Department of Biochemistry, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
| | - Thando Ndlovu
- Department of Microbiology, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
| | - Sehaam Khan
- Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
| | - Wesaal Khan
- Department of Microbiology, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
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19
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Chitin Degradation Machinery and Secondary Metabolite Profiles in the Marine Bacterium Pseudoalteromonas rubra S4059. Mar Drugs 2021; 19:md19020108. [PMID: 33673118 PMCID: PMC7917724 DOI: 10.3390/md19020108] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/02/2021] [Accepted: 02/04/2021] [Indexed: 12/12/2022] Open
Abstract
Genome mining of pigmented Pseudoalteromonas has revealed a large potential for the production of bioactive compounds and hydrolytic enzymes. The purpose of the present study was to explore this bioactivity potential in a potent antibiotic and enzyme producer, Pseudoalteromonas rubra strain S4059. Proteomic analyses (data are available via ProteomeXchange with identifier PXD023249) indicated that a highly efficient chitin degradation machinery was present in the red-pigmented P. rubra S4059 when grown on chitin. Four GH18 chitinases and two GH20 hexosaminidases were significantly upregulated under these conditions. GH19 chitinases, which are not common in bacteria, are consistently found in pigmented Pseudoalteromonas, and in S4059, GH19 was only detected when the bacterium was grown on chitin. To explore the possible role of GH19 in pigmented Pseudoalteromonas, we developed a protocol for genetic manipulation of S4059 and deleted the GH19 chitinase, and compared phenotypes of the mutant and wild type. However, none of the chitin degrading ability, secondary metabolite profile, or biofilm-forming capacity was affected by GH19 deletion. In conclusion, we developed a genetic manipulation protocol that can be used to unravel the bioactive potential of pigmented pseudoalteromonads. An efficient chitinolytic enzyme cocktail was identified in S4059, suggesting that this strain could be a candidate with industrial potential.
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20
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Singh N, Singh S, Kohli S, Singh A, Asiki H, Rathee G, Chandra R, Anderson EA. Recent progress in the total synthesis of pyrrole-containing natural products (2011–2020). Org Chem Front 2021. [DOI: 10.1039/d0qo01574a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This review discusses total syntheses of pyrrole-containing natural products over the last ten years, highlighting recent advances in the chemistry of pyrroles in the context of their innate reactivity, and their preparation in complex settings.
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Affiliation(s)
- Nidhi Singh
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Snigdha Singh
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Sahil Kohli
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Aarushi Singh
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Hannah Asiki
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Garima Rathee
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Ramesh Chandra
- Department of Chemistry, University of Delhi, Delhi 110007, India
- Dr B. R. Ambedkar Center for Biomedical Research, University of Delhi, Delhi 110007, India
| | - Edward A. Anderson
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
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21
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Maglangit F, Yu Y, Deng H. Bacterial pathogens: threat or treat (a review on bioactive natural products from bacterial pathogens). Nat Prod Rep 2021; 38:782-821. [PMID: 33119013 DOI: 10.1039/d0np00061b] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Covering: up to the second quarter of 2020 Threat or treat? While pathogenic bacteria pose significant threats, they also represent a huge reservoir of potential pharmaceuticals to treat various diseases. The alarming antimicrobial resistance crisis and the dwindling clinical pipeline urgently call for the discovery and development of new antibiotics. Pathogenic bacteria have an enormous potential for natural products drug discovery, yet they remained untapped and understudied. Herein, we review the specialised metabolites isolated from entomopathogenic, phytopathogenic, and human pathogenic bacteria with antibacterial and antifungal activities, highlighting those currently in pre-clinical trials or with potential for drug development. Selected unusual biosynthetic pathways, the key roles they play (where known) in various ecological niches are described. We also provide an overview of the mode of action (molecular target), activity, and minimum inhibitory concentration (MIC) towards bacteria and fungi. The exploitation of pathogenic bacteria as a rich source of antimicrobials, combined with the recent advances in genomics and natural products research methodology, could pave the way for a new golden age of antibiotic discovery. This review should serve as a compendium to communities of medicinal chemists, organic chemists, natural product chemists, biochemists, clinical researchers, and many others interested in the subject.
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Affiliation(s)
- Fleurdeliz Maglangit
- Department of Biology and Environmental Science, College of Science, University of the Philippines Cebu, Lahug, Cebu City, 6000, Philippines. and Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UK.
| | - Yi Yu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE), Hubei Province Engineering and Technology Research Centre for Fluorinated Pharmaceuticals, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China.
| | - Hai Deng
- Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UK.
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Nawaz A, Chaudhary R, Shah Z, Dufossé L, Fouillaud M, Mukhtar H, ul Haq I. An Overview on Industrial and Medical Applications of Bio-Pigments Synthesized by Marine Bacteria. Microorganisms 2020; 9:microorganisms9010011. [PMID: 33375136 PMCID: PMC7822155 DOI: 10.3390/microorganisms9010011] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 12/20/2022] Open
Abstract
Marine bacterial species contribute to a significant part of the oceanic population, which substantially produces biologically effectual moieties having various medical and industrial applications. The use of marine-derived bacterial pigments displays a snowballing effect in recent times, being natural, environmentally safe, and health beneficial compounds. Although isolating marine bacteria is a strenuous task, these are still a compelling subject for researchers, due to their promising avenues for numerous applications. Marine-derived bacterial pigments serve as valuable products in the food, pharmaceutical, textile, and cosmetic industries due to their beneficial attributes, including anticancer, antimicrobial, antioxidant, and cytotoxic activities. Biodegradability and higher environmental compatibility further strengthen the use of marine bio-pigments over artificially acquired colored molecules. Besides that, hazardous effects associated with the consumption of synthetic colors further substantiated the use of marine dyes as color additives in industries as well. This review sheds light on marine bacterial sources of pigmented compounds along with their industrial applicability and therapeutic insights based on the data available in the literature. It also encompasses the need for introducing bacterial bio-pigments in global pigment industry, highlighting their future potential, aiming to contribute to the worldwide economy.
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Affiliation(s)
- Ali Nawaz
- Institute of Industrial Biotechnology, GC University Lahore, Lahore 54000, Pakistan; (A.N.); (R.C.); (Z.S.); (H.M.); (I.u.H.)
| | - Rida Chaudhary
- Institute of Industrial Biotechnology, GC University Lahore, Lahore 54000, Pakistan; (A.N.); (R.C.); (Z.S.); (H.M.); (I.u.H.)
| | - Zinnia Shah
- Institute of Industrial Biotechnology, GC University Lahore, Lahore 54000, Pakistan; (A.N.); (R.C.); (Z.S.); (H.M.); (I.u.H.)
| | - Laurent Dufossé
- CHEMBIOPRO Lab, ESIROI Agroalimentaire, University of Réunion Island, 97400 Saint-Denis, France;
- Correspondence: ; Tel.: +33-668-731-906
| | - Mireille Fouillaud
- CHEMBIOPRO Lab, ESIROI Agroalimentaire, University of Réunion Island, 97400 Saint-Denis, France;
| | - Hamid Mukhtar
- Institute of Industrial Biotechnology, GC University Lahore, Lahore 54000, Pakistan; (A.N.); (R.C.); (Z.S.); (H.M.); (I.u.H.)
| | - Ikram ul Haq
- Institute of Industrial Biotechnology, GC University Lahore, Lahore 54000, Pakistan; (A.N.); (R.C.); (Z.S.); (H.M.); (I.u.H.)
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Chilczuk T, Monson R, Schmieder P, Christov V, Enke H, Salmond G, Niedermeyer THJ. Ambigols from the Cyanobacterium Fischerella ambigua Increase Prodigiosin Production in Serratia spp. ACS Chem Biol 2020; 15:2929-2936. [PMID: 33143417 DOI: 10.1021/acschembio.0c00554] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
When a library of 573 cyanobacteria extracts was screened for inhibition of the quorum sensing regulated prodigiosin production of Serratia marcescens, an extract of the cyanobacterium Fischerella ambigua (Näg.) Gomont 108b was found to drastically increase prodigiosin production. Bioactivity-guided isolation of the active compounds resulted in the two new natural products ambigol D and E along with the known ambigols A and C. Ambigol C treatment increased prodiginine production of Serratia sp. ATCC 39006 (S39006) by a factor of 10, while ambigols A and D were found to have antibiotic activity against this strain. The RNA-Seq of S39006 treated with ambigol C and subsequent differential gene expression and functional enrichment analyses indicated a significant downregulation of genes associated with the translation machinery and fatty acid biosynthesis in Serratia, as well as increased expression of genes related to the uptake of l-proline. These results suggest that the ambigols increase prodiginine production in S39006 not by activating the SmaIR quorum sensing system but possibly by increasing the precursor supply of l-proline and malonyl-CoA.
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Affiliation(s)
- Tomasz Chilczuk
- Department of Pharmaceutical Biology/Pharmacognosy, Institute of Pharmacy, University of Halle-Wittenberg, Halle, Germany
| | - Rita Monson
- Department of Biochemistry, University of Cambridge, Hopkins Building, Downing Site, Cambridge, CB2 1QW, United Kingdom
| | - Peter Schmieder
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Department of NMR-Supported Structural Biology, Berlin, Germany
| | - Vesselin Christov
- Zentrum für medizinische Grundlagenforschung, University of Halle-Wittenberg, Halle, Germany
| | | | - George Salmond
- Department of Biochemistry, University of Cambridge, Hopkins Building, Downing Site, Cambridge, CB2 1QW, United Kingdom
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Huang Z, Dong L, Lai Q, Liu J. Spartinivicinus ruber gen. nov., sp. nov., a Novel Marine Gammaproteobacterium Producing Heptylprodigiosin and Cycloheptylprodigiosin as Major Red Pigments. Front Microbiol 2020; 11:2056. [PMID: 32983041 PMCID: PMC7484904 DOI: 10.3389/fmicb.2020.02056] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 08/05/2020] [Indexed: 11/13/2022] Open
Abstract
The red pigment prodiginines are identified as bacterial secondary metabolites and display a wide range of bioactive properties. Here, a novel rose-red pigmented bacterium, designated strain S2-4-1HT, was isolated from coastal sediment of cordgrass Spartina alterniflora. Interestingly, it simultaneously produced heptylprodigiosin (C22H29N3O) and cycloheptylprodigiosin (C22H27N3O) as major red pigments, of which their chemical structures were established by liquid chromatography–mass spectrometry (LC–MS) and nuclear magnetic resonance (NMR). Bioactive assays revealed that both heptylprodigiosin and cycloheptylprodigiosin had antibacterial and antifungal activities, and notably, cycloheptylprodigiosin showed stronger bioactivity than heptylprodigiosin. The complete genome of strain S2-4-1HT was determined to be 6,687,090 bp in length with a G + C content of 40.13 mol%, including a circular chromosome with a size of 6,361,125 bp and three plasmids with a size of 141,078, 102,423, and 82,464 bp, respectively. The biosynthetic gene cluster of two red pigments was predicted on a ∼41-kb gene fragment organized on the chromosome and displayed highly conserved features compared to several gammaproteobacterial species encoding the homologous genes. Finally, based on phenotypic, genotypic, and chemotaxonomic characteristics, strain S2-4-1HT represented a novel genus-level species named Spartinivicinus ruber gen. nov., sp. nov. (type strain S2-4-1HT = MCCC 1K03745T = KCTC 72148T). Our study provided a novel bacterial source and novel prodigiosin analogs as promising pharmaceuticals in biotechnological application.
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Affiliation(s)
- Zhaobin Huang
- College of Oceanology and Food Science, Quanzhou Normal University, Quanzhou, China.,Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou Normal University, Quanzhou, China
| | - Le Dong
- College of Oceanology and Food Science, Quanzhou Normal University, Quanzhou, China.,Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou Normal University, Quanzhou, China
| | - Qiliang Lai
- Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China
| | - Jieqing Liu
- School of Biomedical Sciences, Huaqiao University, Quanzhou, China
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Applications of red pigments from psychrophilic Rhodonellum psychrophilum GL8 in health, food and antimicrobial finishes on textiles. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.03.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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26
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Vitale GA, Sciarretta M, Palma Esposito F, January GG, Giaccio M, Bunk B, Spröer C, Bajerski F, Power D, Festa C, Monti MC, D'Auria MV, de Pascale D. Genomics-Metabolomics Profiling Disclosed Marine Vibrio spartinae 3.6 as a Producer of a New Branched Side Chain Prodigiosin. JOURNAL OF NATURAL PRODUCTS 2020; 83:1495-1504. [PMID: 32275146 DOI: 10.1021/acs.jnatprod.9b01159] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A wide range of prescreening tests for antimicrobial activity of 59 bacterial isolates from sediments of Ria Formosa Lagoon (Algarve, Portugal) disclosed Vibrio spartinae 3.6 as the most active antibacterial producing strain. This bacterial strain, which has not previously been submitted for chemical profiling, was subjected to de novo whole genome sequencing, which aided in the discovery and elucidation of a prodigiosin biosynthetic gene cluster that was predicted by the bioinformatic tool KEGG BlastKoala. Comparative genomics led to the identification of a new membrane di-iron oxygenase-like enzyme, annotated as Vspart_02107, which is likely to be involved in the biosynthesis of cycloprodigiosin and analogues. The combined genomics-metabolomics profiling of the strain led to the isolation and identification of one new branched-chain prodigiosin (5) and to the detection of two new cyclic forms. Furthermore, the evaluation of the minimum inhibitory concentrations disclosed the major prodigiosin as very effective against multi-drug-resistant pathogens including Stenotrophomonas maltophilia, a clinical isolate of Listeria monocytogenes, as well as some human pathogens reported by the World Health Organization as prioritized targets.
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Affiliation(s)
- Giovanni Andrea Vitale
- Institute of Biochemistry and Cellular Biology, National Research Council (IBBC-CNR), Via Pietro Castellino 111, I-80131 Naples, Italy
| | - Martina Sciarretta
- Department of Pharmacy, University of Naples "Federico II" (UNINA), Via Domenico Montesanto, 49, I-80131 Naples, Italy
| | - Fortunato Palma Esposito
- Institute of Biochemistry and Cellular Biology, National Research Council (IBBC-CNR), Via Pietro Castellino 111, I-80131 Naples, Italy
- Stazione Zoologica Anton Dohrn (SZN), Villa Comunale di Napoli, I-80121 Naples, Italy
| | - Grant Garren January
- Institute of Biochemistry and Cellular Biology, National Research Council (IBBC-CNR), Via Pietro Castellino 111, I-80131 Naples, Italy
| | - Marianna Giaccio
- Institute of Biochemistry and Cellular Biology, National Research Council (IBBC-CNR), Via Pietro Castellino 111, I-80131 Naples, Italy
| | - Boyke Bunk
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures GmbH, Inhoffenstraße 7B, 38124 Braunschweig, German
| | - Cathrin Spröer
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures GmbH, Inhoffenstraße 7B, 38124 Braunschweig, German
| | - Felizitas Bajerski
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures GmbH, Inhoffenstraße 7B, 38124 Braunschweig, German
| | - Deborah Power
- Centro de Ciencias do Mar (CCMAR), Universidade do Algarve Campus de Gambelas, 8005-139 Faro, Portugal
| | - Carmen Festa
- Department of Pharmacy, University of Naples "Federico II" (UNINA), Via Domenico Montesanto, 49, I-80131 Naples, Italy
| | - Maria Chiara Monti
- Department of Pharmacy, University of Salerno (UNISA), I-84084 Fisciano, SA, Italy
| | - Maria Valeria D'Auria
- Department of Pharmacy, University of Naples "Federico II" (UNINA), Via Domenico Montesanto, 49, I-80131 Naples, Italy
| | - Donatella de Pascale
- Institute of Biochemistry and Cellular Biology, National Research Council (IBBC-CNR), Via Pietro Castellino 111, I-80131 Naples, Italy
- Stazione Zoologica Anton Dohrn (SZN), Villa Comunale di Napoli, I-80121 Naples, Italy
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Applications of Prodigiosin Extracted from Marine Red Pigmented Bacteria Zooshikella sp. and Actinomycete Streptomyces sp. Microorganisms 2020; 8:microorganisms8040556. [PMID: 32295096 PMCID: PMC7232315 DOI: 10.3390/microorganisms8040556] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 04/09/2020] [Indexed: 01/13/2023] Open
Abstract
This study is aimed to determine the distribution, diversity and bioprospecting aspects of marine pigmented bacteria (MPB) isolated from pristine Andaman Islands, India. A total of 180 samples including seawater, sediment, marine plants, invertebrates, and vertebrates were collected and investigated for isolating pigmented bacteria. Results revealed that sediment, invertebrates, and seawater samples were colonized with a greater number of pigmented bacteria pertains to 27.9 × 103 CFU/mL, 24.1 × 103 CFU/mL and 6.7 × 103 CFU/mL respectively. Orange (21.6 × 103 CFU/mL) and red (8.0 × 103 CFU/mL) MPB were predominant than other pigmented bacteria. Fourteen potential MPB were selected based on their intense pigmentation and tested for bioactive nature and food colorant applications. Out of 14, two red pigmented strains BSE6.1 & S2.1 displayed potential multifaceted applications, such as antibacterial, antioxidant, food colorant, and staining properties. Brown pigmented strains CO8 and yellow pigmented strain SQ2.3 have displayed staining properties. Chemical characterization of red pigment using TLC, HP-LC, GC-MS, FT-IR and 1H-NMR analysis revealed prodigiosin as a main chemical constituent. Pure form of prodigiosin compound fractions obtained from both the strains displayed effective antibacterial activity against different human pathogens. MIC and MBC assays revealed that S2.1 requires 300 µg and 150 µg, respectively, and BSE6.1 require 400 µg concentrations of pigment compound for complete inhibition of S. aureus subsp. aureus. On the basis of 16S rRNA sequence analysis, strains S2.1 and BSE6.1 were identified as Zooshikella sp. and Streptomyces sp. and assigned under the GenBank accession numbers: MK680108 and MK951781 respectively.
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Lin SR, Chen YH, Tseng FJ, Weng CF. The production and bioactivity of prodigiosin: quo vadis? Drug Discov Today 2020; 25:828-836. [PMID: 32251776 DOI: 10.1016/j.drudis.2020.03.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 03/11/2020] [Accepted: 03/26/2020] [Indexed: 12/13/2022]
Abstract
Prodigiosin (PG), a red tripyrrole pigment, belongs to a member of the prodiginine family and is normally secreted by various sources including Serratia marcescens and other Gram-negative bacteria. The studies of PG have received innovative devotion as a result of reported antimicrobial, larvicidal and anti-nematoid immunomodulation and antitumor properties, owing to its antibiotic and cytotoxic activities. This review provides a comprehensive summary of research undertaken toward the isolation and structural elucidation of the prodiginine family of natural products. Additionally, the current evidence-based understanding of the biological activities and medicinal potential of PG is employed to determine the efficacy, with some reports of information related to pharmacokinetics, pharmacodynamics and toxicology.
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Affiliation(s)
- Shian-Ren Lin
- Graduated Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, 11041, Taiwan
| | - Yu-Hsin Chen
- National Museum of Marine Biology and Aquarium, Pingtung 94450, Taiwan
| | - Feng-Jen Tseng
- Department of Orthopedics, Hualien Armed Force General Hospital, Hualien 97144, Taiwan
| | - Ching-Feng Weng
- The Center of Translational Medicine, Department of Basic Medical Science, Xiamen Medical College, Xiamen 361023, Fujian, China; Institute of Respiratory Disease, Department of Basic Medical Science, Xiamen Medical College, Xiamen 361023, Fujian, China.
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29
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Setiyono E, Adhiwibawa MA, Indrawati R, Prihastyanti MNU, Shioi Y, Brotosudarmo THP. An Indonesian Marine Bacterium, Pseudoalteromonas rubra, Produces Antimicrobial Prodiginine Pigments. ACS OMEGA 2020; 5:4626-4635. [PMID: 32175509 PMCID: PMC7066656 DOI: 10.1021/acsomega.9b04322] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 02/14/2020] [Indexed: 05/19/2023]
Abstract
Red pigmented marine bacteria, Pseudoalteromonas rubra strains PS1 and SB14, were isolated from two sampling locations in different ecosystems on Alor Island, Indonesia, and cultured in the laboratory. We analyzed the 16S rRNA gene sequences and examined the pigment composition and found that both strains produced cycloprodigiosin (3), prodigiosin (4), and 2-methyl-3-hexyl-prodiginine (5) as major compounds. In addition, we detected three minor compounds: prodigiosin derivatives 2-methyl-3-propyl prodiginine (1), 2-methyl-3-butyl prodiginine (2), and 2-methyl-3-heptyl-prodiginine (6). To our knowledge, this is the first report that P. rubra synthesizes not only prodigiosin and cycloprodigiosin but also four prodigiosin derivatives that differ in the length of the alkyl chain. The antimicrobial activity of cycloprodigiosin, prodigiosin, and 2-methyl-3-hexyl-prodiginine was examined by a disk-diffusion test against Escherichia coli, Staphylococcus aureus, Salmonella typhi, and Candida albicans. We found that, at a concentration of 20 μg/mL, cycloprodigiosin showed the greatest inhibition (25.1 ± 0.55 mm) against S. aureus.
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Affiliation(s)
- Edi Setiyono
- Ma Chung Research Center
for Photosynthetic Pigments (MRCPP) and Department of Chemistry, Universitas Ma Chung, Villa Puncak Tidar N01, Malang 65151, Jawa Timur, Indonesia
| | - Marcelinus Alfasisurya
Setya Adhiwibawa
- Ma Chung Research Center
for Photosynthetic Pigments (MRCPP) and Department of Chemistry, Universitas Ma Chung, Villa Puncak Tidar N01, Malang 65151, Jawa Timur, Indonesia
| | - Renny Indrawati
- Ma Chung Research Center
for Photosynthetic Pigments (MRCPP) and Department of Chemistry, Universitas Ma Chung, Villa Puncak Tidar N01, Malang 65151, Jawa Timur, Indonesia
| | - Monika Nur Utami Prihastyanti
- Ma Chung Research Center
for Photosynthetic Pigments (MRCPP) and Department of Chemistry, Universitas Ma Chung, Villa Puncak Tidar N01, Malang 65151, Jawa Timur, Indonesia
| | - Yuzo Shioi
- Ma Chung Research Center
for Photosynthetic Pigments (MRCPP) and Department of Chemistry, Universitas Ma Chung, Villa Puncak Tidar N01, Malang 65151, Jawa Timur, Indonesia
| | - Tatas Hardo Panintingjati Brotosudarmo
- Ma Chung Research Center
for Photosynthetic Pigments (MRCPP) and Department of Chemistry, Universitas Ma Chung, Villa Puncak Tidar N01, Malang 65151, Jawa Timur, Indonesia
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30
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Pan X, Sun C, Tang M, Liu C, Zhang J, You J, Osire T, Sun Y, Zhao Y, Xu M, Yang T, Rao Z. Loss of Serine-Type D-Ala-D-Ala Carboxypeptidase DacA Enhances Prodigiosin Production in Serratia marcescens. Front Bioeng Biotechnol 2019; 7:367. [PMID: 31850328 PMCID: PMC6901396 DOI: 10.3389/fbioe.2019.00367] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 11/13/2019] [Indexed: 12/11/2022] Open
Abstract
Serratia marcescens, a gram-negative bacterium, found in a wide range of ecological niches can produce several high-value products, including prodigiosin, althiomycin, and serratamolide. Among them, prodigiosin has attracted attention due to its immunosuppressive, antimicrobial, and anticancer properties. However, the regulatory mechanisms behind prodigiosin synthesis in Serratia marcescens remains limited. Here, a transposon mutant library was constructed to identify the genes related to prodigiosin synthesis, and BVG90_02415 gene encoding a peptidoglycan synthesizing enzyme D-Ala-D-Ala carboxypeptidase DacA was found to negatively regulates prodigiosin synthesis. Quantitative measurements revealed that disruption of dacA increased prodigiosin production 1.46-fold that of the wild-type strain JNB5-1 in fermentation medium. By comparing differences in cell growth, pigA gene expression level, cell morphology, membrane permeability, and intracellular prodigiosin concentration between wild-type strain JNB5-1 and dacA mutant SK4-72, results revealed that the mechanism for hyper-producing of prodigiosin by the dacA mutant was probably that dacA disruption enhanced prodigiosin leakage, which in turn alleviated feedback inhibition of prodigiosin and increased expression of pig gene cluster. Collectively, this work provides a novel insight into regulatory mechanisms of prodigiosin synthesis and uncovers new roles of DacA protein in regulating cell growth, cell morphology, and membrane permeability in Serratia marcescens. Finally, this study offers a new strategy for improving production of high-value compounds in Serratia marcescens.
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Affiliation(s)
- Xuewei Pan
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Changhao Sun
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Mi Tang
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Chao Liu
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Jianing Zhang
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Jiajia You
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Tolbert Osire
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Yang Sun
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Youxi Zhao
- Biochemical Engineering College, Beijing Union University, Beijing, China
| | - Meijuan Xu
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Taowei Yang
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Zhiming Rao
- Key Laboratory of Industrial Biotechnology of the Ministry of Education, Laboratory of Applied Microorganisms and Metabolic Engineering, School of Biotechnology, Jiangnan University, Wuxi, China
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Dissimilatory reduction of Fe(III) by a novel Serratia marcescens strain with special insight into the influence of prodigiosin. Int Microbiol 2019; 23:201-214. [DOI: 10.1007/s10123-019-00088-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 06/12/2019] [Accepted: 06/14/2019] [Indexed: 12/21/2022]
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32
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Enhanced production of prodigiosin by Serratia marcescens FZSF02 in the form of pigment pellets. ELECTRON J BIOTECHN 2019. [DOI: 10.1016/j.ejbt.2019.04.007] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Ramesh C, Anwesh M, Vinithkumar NV, Kirubagaran R. Draft genome sequence of marine sediment-derived red pigmented bacteria Zooshikella sp. strain S2.1 with potential biomedical applications. Genomics 2019; 112:805-808. [PMID: 31128262 DOI: 10.1016/j.ygeno.2019.05.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 04/24/2019] [Accepted: 05/20/2019] [Indexed: 11/25/2022]
Abstract
The present study is aimed to determine the draft genome of novel species of Zooshikella strain S2.1, a potential red pigmented strain isolated recently from the coastal sediment of Andaman and Nicobar Islands, India. This Gram negative, rod shaped aerobic bacterium produces pink, yellowish-red and dark red with metallic green sheen pigmentation on agar plates. It is able to grow under NaCl concentrations of 1 to 9%. This species has antimicrobial, antioxidant, dye and food colorant applications. Whole genome sequence analysis revealed that strain S2.1 represents a novel species of the genus Zooshikella. Draft genome and 16 s rRNA sequences of this species were deposited in GenBank under the Sequence Read Archive accession number PRJNA514840 and GenBank number MK680108, respectively. Here we report the draft genome of Zooshikella sp. strain S2.1 with ~5.9 Mb of chromosomal content and ~0.34 Mb of extra-chromosomal content.
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Affiliation(s)
- Chatragadda Ramesh
- National Centre for Coastal Research (NCCR), Ministry of Earth Sciences (MoES), NCCR Field Office, Mandapam 623519, Tamil Nadu, India; Andaman and Nicobar Centre for Ocean Science and Technology, ESSO-NIOT, Dollygunj, Port Blair, Andaman and Nicobar Islands 744103, India.
| | - Maile Anwesh
- Regional Medical Research Centre, Indian Council of Medical Research, Dollygunj, Port Blair, Andaman and Nicobar Islands 744103, India
| | - Nambali Valsalan Vinithkumar
- Andaman and Nicobar Centre for Ocean Science and Technology, ESSO-NIOT, Dollygunj, Port Blair, Andaman and Nicobar Islands 744103, India
| | - Ramalingam Kirubagaran
- Marine Biotechnology Group, ESSO-National Institute of Ocean Technology (NIOT), Ministry of Earth Sciences (Govt. of India), Chennai 600100, India
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34
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Insights into the anti-infective properties of prodiginines. Appl Microbiol Biotechnol 2019; 103:2873-2887. [PMID: 30761415 DOI: 10.1007/s00253-019-09641-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/08/2019] [Accepted: 01/09/2019] [Indexed: 12/14/2022]
Abstract
Prodiginines are a large family of tripyrrole alkaloids that contain natural members produced by various bacteria and non-natural members obtained from chemical synthesis, enzymatic synthesis, and mutasynthesis. These compounds have attracted a great deal of attention due to their wide range of fascinating properties including anti-infective, anticancer, and immunosuppressive activities. In consideration of the great need for novel and effective anti-infective agents, this review is mainly focused on the current status of research on the anti-infective properties of prodiginines, highlighting their antibacterial, antifungal, antiprotozoal, anti-larval, and antiviral activities. Additionally, the multiple mechanisms by which prodiginines exert their anti-infective effects will also be discussed.
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Farha AK, Hatha AM. Bioprospecting potential and secondary metabolite profile of a novel sediment-derived fungus Penicillium sp. ArCSPf from continental slope of Eastern Arabian Sea. Mycology 2019; 10:109-117. [PMID: 31069124 PMCID: PMC6493292 DOI: 10.1080/21501203.2019.1572034] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 01/14/2019] [Indexed: 11/12/2022] Open
Abstract
Marine fungi, one of the major decomposers of marine environment, is found to produce potential enzymes and novel biomolecules. The present study explored bioprospecting potentials such as antimicrobial, anticancer and enzymatic activities of marine sediment-derived fungi isolated from continental slope of Eastern Arabian Sea. Morphology and ITS sequencing identified the fungus as Penicillium sp. ArCSPf. The fungal strain exhibited amylase, gelatinase, phytase, lipase and pectinase activity. The active fraction obtained from the ethyl acetate extract column fractionation (F2) of fungus showed antibacterial activity against both methicillin-resistant Staphylococcus aureus (MRSA) and Bacillus cereus. Minimum inhibitory concentrations of F2 were 125 μg/mL for MRSA and 62.5 μg/mL for B. cereus. The active fraction showed a significant anticancer activity (IC50 = 22.79 µg/mL) against MCF-7 breast cancer cells. The secondary metabolite (Z)-Octadec-9-enamide (oleamide, m/z 282.27 (M + H+)] was identified in the LC-MS/MS analysis of active fraction F2 in positive ionisation mode. To the best of our knowledge, this is the first report on exploring the bioprospecting potential of a sediment-derived fungus from continental slope of eastern Arabian Sea for the production of therapeutically active compounds.
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Affiliation(s)
- Arakkaveettil Kabeer Farha
- Department of Marine Biology Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology (CUSAT), Kochi, India
| | - Abdulla Mohamed Hatha
- Department of Marine Biology Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology (CUSAT), Kochi, India
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Yip CH, Yarkoni O, Ajioka J, Wan KL, Nathan S. Recent advancements in high-level synthesis of the promising clinical drug, prodigiosin. Appl Microbiol Biotechnol 2019; 103:1667-1680. [PMID: 30637495 DOI: 10.1007/s00253-018-09611-z] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 12/27/2018] [Accepted: 12/28/2018] [Indexed: 12/19/2022]
Abstract
Prodigiosin, a red linear tripyrrole pigment and a member of the prodiginine family, is normally secreted by the human pathogen Serratia marcescens as a secondary metabolite. Studies on prodigiosin have received renewed attention as a result of reported immunosuppressive, antimicrobial and anticancer properties. High-level synthesis of prodigiosin and the bioengineering of strains to synthesise useful prodiginine derivatives have also been a subject of investigation. To exploit the potential use of prodigiosin as a clinical drug targeting bacteria or as a dye for textiles, high-level synthesis of prodigiosin is a prerequisite. This review presents an overview on the biosynthesis of prodigiosin from its natural host Serratia marcescens and through recombinant approaches as well as highlighting the beneficial properties of prodigiosin. We also discuss the prospect of adopting a synthetic biology approach for safe and cost-effective production of prodigiosin in a more industrially compliant surrogate host.
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Affiliation(s)
- Chee-Hoo Yip
- School of Biosciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM, Bangi, Selangor, Malaysia
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QP, UK
| | - Orr Yarkoni
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QP, UK
| | - James Ajioka
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QP, UK
| | - Kiew-Lian Wan
- School of Biosciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM, Bangi, Selangor, Malaysia
| | - Sheila Nathan
- School of Biosciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM, Bangi, Selangor, Malaysia.
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Affiliation(s)
- Kai‐Xiong Ye
- Department of Development Technology of Marine ResourcesCollege of Life SciencesZhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
| | - Ting‐Ting Fan
- Department of Development Technology of Marine ResourcesCollege of Life SciencesZhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
| | - Lawrence Jordan Keen
- Department of Development Technology of Marine ResourcesCollege of Life SciencesZhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
| | - Bing‐Nan Han
- Department of Development Technology of Marine ResourcesCollege of Life SciencesZhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
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Biological Potential and Mechanism of Prodigiosin from Serratia marcescens Subsp. lawsoniana in Human Choriocarcinoma and Prostate Cancer Cell Lines. Int J Mol Sci 2018; 19:ijms19113465. [PMID: 30400387 PMCID: PMC6274741 DOI: 10.3390/ijms19113465] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 10/26/2018] [Accepted: 10/29/2018] [Indexed: 12/11/2022] Open
Abstract
Tripyrrole molecules have received renewed attention due to reports of numerous biological activities, including antifungal, antibacterial, antiprotozoal, antimalarial, immunosuppressive, and anticancer activities. In a screen of bacterial strains with known toxicities to termites, a red pigment-producing strain, HDZK-BYSB107, was isolated from Chamaecyparis lawsoniana, which grows in Oregon, USA. Strain HDZK-BYSB107 was identified as Serratia marcescens subsp. lawsoniana. The red pigment was identified as prodigiosin using ultraviolet absorption, LC-MS, and 1H-NMR spectroscopy. The bacterial prodigiosin had an inhibitory effect on both Gram-negative and Gram-positive bacteria. The main objective of this study was to explore the anticancer activities and mechanism of strain HDZK-BYSB107 prodigiosin by using human choriocarcinoma (JEG3) and prostate cancer cell lines (PC3) in vitro and JEG3 and PC3 tumor-bearing nude mice in vivo. In vitro anticancer activities showed that the bacterial prodigiosin induced apoptosis in JEG3 cells. In vivo anticancer activities indicated that the prodigiosin significantly inhibited the growth of JEG3 and PC3 cells, and the inhibitory activity was dose and time dependent. The anticancer efficacy of the bacterial prodigiosin on JEG3 and PC3 cells, JEG3 and PC3 tumor exhibited a correlation with the down regulation of the inhibitor of IAP family, including XIAP, cIAP-1 and cIAP-2, and the activation of caspase-9 and caspase-3 accompanied by proteolytic degradation of poly (ADP-ribose)-polymerase. The expressions of P53 and Bax/Bcl-2 in JEG3 and PC3 cells were significantly higher than in untreated groups. Our results indicated that the bacterial prodigiosin extracted from C. lawsoniana is a promising molecule due to its potential for therapeutic applications.
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Antiproliferative, antioxidant and binding mechanism analysis of prodigiosin from newly isolated radio-resistant Streptomyces sp. strain WMA-LM31. Mol Biol Rep 2018; 45:1787-1798. [DOI: 10.1007/s11033-018-4324-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 08/20/2018] [Indexed: 10/28/2022]
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40
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Rehman ZU, Alam I, Kamau AA, Bajic VB, Leiknes T. Genome sequence analysis of Zooshikella ganghwensis strain VG4 and its potential for the synthesis of antimicrobial metabolites. ACTA ACUST UNITED AC 2018; 19:e00278. [PMID: 30197874 PMCID: PMC6127377 DOI: 10.1016/j.btre.2018.e00278] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 08/13/2018] [Accepted: 08/21/2018] [Indexed: 11/26/2022]
Abstract
Draft genome sequence of Z. ganghwensis VG4 is reported. Culture supernatant of Z. ganghwensis VG4 exhibit antimicrobial properties. A total of 7634 genes are identified out of which 74% were annotated. Z. ganghwensis VG4 has genetic potential to synthesize bioactive secondary metabolites, such as, polyketides and nonribosomal peptides.
With antimicrobial resistance on the rise, the discovery of new compounds with novel structural scaffolds exhibiting antimicrobial properties has become an important area of research. Such compounds can serve as starting points for the development of new antimicrobials. In this report, we present the draft genome sequence of the Zooshikella ganghwensis strain VG4, isolated from Red Sea sediments, that produces metabolites with antimicrobial properties. A genomic analysis reveals that it carries at least five gene clusters that have the potential to direct biosynthesis of bioactive secondary metabolites such as polyketides and nonribosomal peptides. By using in-silico approaches, we predict the structure of these metabolites.
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Affiliation(s)
| | - Intikhab Alam
- Computational Bioscience Research Centre (CBRC), Biological & Environmental Science & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Allan Anthony Kamau
- Computational Bioscience Research Centre (CBRC), Biological & Environmental Science & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Vladimir B Bajic
- Computational Bioscience Research Centre (CBRC), Biological & Environmental Science & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - TorOve Leiknes
- Water Desalination and Reuse Center (WDRC), Saudi Arabia
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Klein AS, Brass HUC, Klebl DP, Classen T, Loeschcke A, Drepper T, Sievers S, Jaeger KE, Pietruszka J. Preparation of Cyclic Prodiginines by Mutasynthesis in Pseudomonas putida KT2440. Chembiochem 2018; 19:1545-1552. [PMID: 29719131 DOI: 10.1002/cbic.201800154] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Indexed: 12/12/2022]
Abstract
Prodiginines are a group of naturally occurring pyrrole alkaloids produced by various microorganisms and known for their broad biological activities. The production of nature-inspired cyclic prodiginines was enabled by combining organic synthesis with a mutasynthesis approach based on the GRAS (generally recognized as safe) certified host strain Pseudomonas putida KT2440. The newly prepared prodiginines exerted antimicrobial effects against relevant alternative biotechnological microbial hosts whereas P. putida itself exhibited remarkable tolerance against all tested prodiginines, thus corroborating the bacterium's exceptional suitability as a mutasynthesis host for the production of these cytotoxic secondary metabolites. Moreover, the produced cyclic prodiginines proved to be autophagy modulators in human breast cancer cells. One promising cyclic prodiginine derivative stood out, being twice as potent as prodigiosin, the most prominent member of the prodiginine family, and its synthetic derivative obatoclax mesylate.
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Affiliation(s)
- Andreas Sebastian Klein
- Institute of Bioorganic Chemistry, Heinrich Heine University Düsseldorf located at Forschungszentrum Jülich, Stetternicher Forst, Building 15.8, 52426, Jülich, Germany
| | - Hannah Ursula Clara Brass
- Institute of Bioorganic Chemistry, Heinrich Heine University Düsseldorf located at Forschungszentrum Jülich, Stetternicher Forst, Building 15.8, 52426, Jülich, Germany
| | - David Paul Klebl
- Institute of Bioorganic Chemistry, Heinrich Heine University Düsseldorf located at Forschungszentrum Jülich, Stetternicher Forst, Building 15.8, 52426, Jülich, Germany
| | - Thomas Classen
- Insitute of Bio- and Geosciences (IBG-1): Biotechnology, Forschungszentrum Jülich GmbH, Stetternicher Forst, Building 15.8, 52425, Jülich, Germany
| | - Anita Loeschcke
- Institute of Molecular Enzyme Technology, Heinrich Heine University Düsseldorf located at Forschungszentrum Jülich, Stetternicher Forst, Building 15.8, 52426, Jülich, Germany
| | - Thomas Drepper
- Institute of Molecular Enzyme Technology, Heinrich Heine University Düsseldorf located at Forschungszentrum Jülich, Stetternicher Forst, Building 15.8, 52426, Jülich, Germany
| | - Sonja Sievers
- Compound Management and Screening Center (COMAS), Max Planck Institute of Molecular Physiology, 44202, Dortmund, Germany
| | - Karl-Erich Jaeger
- Insitute of Bio- and Geosciences (IBG-1): Biotechnology, Forschungszentrum Jülich GmbH, Stetternicher Forst, Building 15.8, 52425, Jülich, Germany.,Institute of Molecular Enzyme Technology, Heinrich Heine University Düsseldorf located at Forschungszentrum Jülich, Stetternicher Forst, Building 15.8, 52426, Jülich, Germany
| | - Jörg Pietruszka
- Institute of Bioorganic Chemistry, Heinrich Heine University Düsseldorf located at Forschungszentrum Jülich, Stetternicher Forst, Building 15.8, 52426, Jülich, Germany.,Insitute of Bio- and Geosciences (IBG-1): Biotechnology, Forschungszentrum Jülich GmbH, Stetternicher Forst, Building 15.8, 52425, Jülich, Germany
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42
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Savoie H, Figliola C, Marchal E, Crabbe BW, Hallett-Tapley GL, Boyle RW, Thompson A. Photo-induced anticancer activity and singlet oxygen production of prodigiosenes. Photochem Photobiol Sci 2018; 17:599-606. [PMID: 29648558 DOI: 10.1039/c8pp00060c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The photo-induced cytotoxicity of prodigiosenes is reported. One prodigiosene represents a synthetic analogue of the natural product prodigiosin, and two are conjugated to molecules that target the estrogen receptor (ER). A comparison of incubation and irradiation frameworks for the three prodigiosenes is reported, with activity against ER- and ER+ lines explored. Furthermore, the ability of the three prodigiosenes to photosensitise the production of singlet oxygen is demonstrated, shedding mechanistic light onto possible photodynamic therapeutic effects of this class of tripyrroles.
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Affiliation(s)
- Huguette Savoie
- Department of Chemistry, University of Hull, Cottingham Road, Hull, HU6 7RX, UK.
| | - Carlotta Figliola
- Department of Chemistry, Dalhousie University, PO BOX 15000, Halifax, NS B3H 4R2, Canada.
| | - Estelle Marchal
- Department of Chemistry, Dalhousie University, PO BOX 15000, Halifax, NS B3H 4R2, Canada.
| | - Bry W Crabbe
- Department of Chemistry, St. Francis Xavier University, PO Box 5000, Antigonish, NS B2G 2 W5, Canada.
| | - Geniece L Hallett-Tapley
- Department of Chemistry, St. Francis Xavier University, PO Box 5000, Antigonish, NS B2G 2 W5, Canada.
| | - Ross W Boyle
- Department of Chemistry, University of Hull, Cottingham Road, Hull, HU6 7RX, UK.
| | - Alison Thompson
- Department of Chemistry, Dalhousie University, PO BOX 15000, Halifax, NS B3H 4R2, Canada.
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Woodhams DC, LaBumbard BC, Barnhart KL, Becker MH, Bletz MC, Escobar LA, Flechas SV, Forman ME, Iannetta AA, Joyce MD, Rabemananjara F, Gratwicke B, Vences M, Minbiole KPC. Prodigiosin, Violacein, and Volatile Organic Compounds Produced by Widespread Cutaneous Bacteria of Amphibians Can Inhibit Two Batrachochytrium Fungal Pathogens. MICROBIAL ECOLOGY 2018; 75:1049-1062. [PMID: 29119317 DOI: 10.1007/s00248-017-1095-7] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 10/19/2017] [Indexed: 06/07/2023]
Abstract
Symbiotic bacteria can produce secondary metabolites and volatile compounds that contribute to amphibian skin defense. Some of these symbionts have been used as probiotics to treat or prevent the emerging disease chytridiomycosis. We examined 20 amphibian cutaneous bacteria for the production of prodigiosin or violacein, brightly colored defense compounds that pigment the bacteria and have characteristic spectroscopic properties making them readily detectable, and evaluated the antifungal activity of these compounds. We detected violacein from all six isolates of Janthinobacterium lividum on frogs from the USA, Switzerland, and on captive frogs originally from Panama. We detected prodigiosin from five isolates of Serratia plymuthica or S. marcescens, but not from four isolates of S. fonticola or S. liquefaciens. All J. lividum isolates produced violacein when visibly purple, while prodigiosin was only detected on visibly red Serratia isolates. When applied to cultures of chytrid fungi Batrachochytrium dendrobatidis (Bd) and B. salamandrivorans (Bsal), prodigiosin caused significant growth inhibition, with minimal inhibitory concentrations (MIC) of 10 and 50 μM, respectively. Violacein showed a MIC of 15 μM against both fungi and was slightly more active against Bsal than Bd at lower concentrations. Although neither violacein nor prodigiosin showed aerosol activity and is not considered a volatile organic compound (VOC), J. lividum and several Serratia isolates did produce antifungal VOCs. White Serratia isolates with undetectable prodigiosin levels could still inhibit Bd growth indicating additional antifungal compounds in their chemical arsenals. Similarly, J. lividum can produce antifungal compounds such as indole-3-carboxaldehyde in addition to violacein, and isolates are not always purple, or turn purple under certain growth conditions. When Serratia isolates were grown in the presence of cell-free supernatant (CFS) from the fungi, CFS from Bd inhibited growth of the prodigiosin-producing isolates, perhaps indicative of an evolutionary arms race; Bsal CFS did not inhibit bacterial growth. In contrast, growth of one J. lividum isolate was facilitated by CFS from both fungi. Isolates that grow and continue to produce antifungal compounds in the presence of pathogens may represent promising probiotics for amphibians infected or at risk of chytridiomycosis. In a global analysis, 89% of tested Serratia isolates and 82% of J. lividum isolates were capable of inhibiting Bd and these have been reported from anurans and caudates from five continents, indicating their widespread distribution and potential for host benefit.
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Affiliation(s)
- Douglas C Woodhams
- Biology Department, University of Massachusetts Boston, Boston, MA, 02125, USA.
| | - Brandon C LaBumbard
- Biology Department, University of Massachusetts Boston, Boston, MA, 02125, USA
| | - Kelly L Barnhart
- Biology Department, University of Massachusetts Boston, Boston, MA, 02125, USA
| | - Matthew H Becker
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
- Department of Biology and Chemistry, Liberty University, Lynchburg, VA, USA
| | - Molly C Bletz
- Biology Department, University of Massachusetts Boston, Boston, MA, 02125, USA
- Zoological Institute, Technische Universität Braunschweig, 38106, Braunschweig, Germany
| | - Laura A Escobar
- School of Sciences, Pontificia Universidad Javeriana, Bogotá, AA 56710, Colombia
| | - Sandra V Flechas
- Department of Biological Sciences, Universidad de los Andes, Bogotá, AA 4976, Colombia
| | - Megan E Forman
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA
| | - Anthony A Iannetta
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA
- Department of Chemistry, University of North Carolina, Chapel Hill, NC, 27514, USA
| | - Maureen D Joyce
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA
| | | | - Brian Gratwicke
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
| | - Miguel Vences
- Zoological Institute, Technische Universität Braunschweig, 38106, Braunschweig, Germany
| | - Kevin P C Minbiole
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA.
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44
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Eckelmann D, Spiteller M, Kusari S. Spatial-temporal profiling of prodiginines and serratamolides produced by endophytic Serratia marcescens harbored in Maytenus serrata. Sci Rep 2018; 8:5283. [PMID: 29588473 PMCID: PMC5869619 DOI: 10.1038/s41598-018-23538-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Accepted: 03/15/2018] [Indexed: 12/21/2022] Open
Abstract
An endophytic bacterium, Serratia marcescens MSRBB2, isolated from inner bark of a Cameroonian Maytenus serrata plant, was subjected to the OSMAC (One Strain Many Compounds) approach and metabolic profiling using HPLC-HRMSn. We identified 7 prodiginines along with 26 serratamolides. Their biosynthetic pathways were elucidated by feeding with labeled precursors in combination with HRMSn. Dual-culture confrontation/restriction assays of the bacterial endophyte were devised with coexisting fungal endophytes (Pestalotiopsis virgatula, Aspergillus caesiellus and Pichia spp.) as well as with unrelated, non-endophytic fungi belonging to the same genera. The assays were combined with scanning electron microscopy (SEM) as well as matrix-assisted laser desorption ionization imaging high-resolution mass spectrometry (MALDI-imaging-HRMS) for visualizing, both in high spatial and temporal resolution, the distribution and interplay of the compounds during microbial interactions. We demonstrated the effect of prodigiosin produced by endophytic S. marcescens MSRBB2 as an allelochemical that specifically inhibits coexisting endophytic fungi. Our results provide new insights into the physiological and ecological relevance of prodiginines and serratamolides within the context of allelopathy and chemical defense interaction occurring between coexisting endophytes harbored in M. serrata.
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Affiliation(s)
- Dennis Eckelmann
- Institute of Environmental Research (INFU), Department of Chemistry and Chemical Biology, Chair of Environmental Chemistry and Analytical Chemistry, TU Dortmund, Otto-Hahn-Straße 6, 44221, Dortmund, Germany
| | - Michael Spiteller
- Institute of Environmental Research (INFU), Department of Chemistry and Chemical Biology, Chair of Environmental Chemistry and Analytical Chemistry, TU Dortmund, Otto-Hahn-Straße 6, 44221, Dortmund, Germany
| | - Souvik Kusari
- Institute of Environmental Research (INFU), Department of Chemistry and Chemical Biology, Chair of Environmental Chemistry and Analytical Chemistry, TU Dortmund, Otto-Hahn-Straße 6, 44221, Dortmund, Germany.
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de Rond T, Stow P, Eigl I, Johnson RE, Chan LJG, Goyal G, Baidoo EEK, Hillson NJ, Petzold CJ, Sarpong R, Keasling JD. Oxidative cyclization of prodigiosin by an alkylglycerol monooxygenase-like enzyme. Nat Chem Biol 2017; 13:1155-1157. [PMID: 28892091 PMCID: PMC5677514 DOI: 10.1038/nchembio.2471] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 07/26/2017] [Indexed: 11/08/2022]
Abstract
Prodiginines, which are tripyrrole alkaloids displaying a wide array of bioactivities, occur as linear and cyclic congeners. Identification of an unclustered biosynthetic gene led to the discovery of the enzyme responsible for catalyzing the regiospecific C-H activation and cyclization of prodigiosin to cycloprodigiosin in Pseudoalteromonas rubra. This enzyme is related to alkylglycerol monooxygenase and unrelated to RedG, the Rieske oxygenase that produces cyclized prodiginines in Streptomyces, implying convergent evolution.
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Affiliation(s)
- Tristan de Rond
- Department of Chemistry, University of California, Berkeley, California, USA
| | - Parker Stow
- Department of Chemistry, University of California, Berkeley, California, USA
| | - Ian Eigl
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California, USA
| | - Rebecca E Johnson
- Department of Chemistry, University of California, Berkeley, California, USA
| | - Leanne Jade G Chan
- DOE Joint BioEnergy Institute, Emeryville, California, USA
- Biological Systems and Engineering Division, Lawrence Berkeley National Lab, Berkeley, California, USA
| | - Garima Goyal
- DOE Joint BioEnergy Institute, Emeryville, California, USA
- Biological Systems and Engineering Division, Lawrence Berkeley National Lab, Berkeley, California, USA
| | - Edward E K Baidoo
- DOE Joint BioEnergy Institute, Emeryville, California, USA
- Biological Systems and Engineering Division, Lawrence Berkeley National Lab, Berkeley, California, USA
| | - Nathan J Hillson
- DOE Joint BioEnergy Institute, Emeryville, California, USA
- Biological Systems and Engineering Division, Lawrence Berkeley National Lab, Berkeley, California, USA
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Christopher J Petzold
- DOE Joint BioEnergy Institute, Emeryville, California, USA
- Biological Systems and Engineering Division, Lawrence Berkeley National Lab, Berkeley, California, USA
| | - Richmond Sarpong
- Department of Chemistry, University of California, Berkeley, California, USA
| | - Jay D Keasling
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California, USA
- DOE Joint BioEnergy Institute, Emeryville, California, USA
- Biological Systems and Engineering Division, Lawrence Berkeley National Lab, Berkeley, California, USA
- Department of Bioengineering and California Institute for Quantitative Biosciences, University of California, Berkeley, California, USA
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Hørsholm, Denmark
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46
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Gondil VS, Asif M, Bhalla TC. Optimization of physicochemical parameters influencing the production of prodigiosin from Serratia nematodiphila RL2 and exploring its antibacterial activity. 3 Biotech 2017; 7:338. [PMID: 28955635 DOI: 10.1007/s13205-017-0979-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 09/13/2017] [Indexed: 11/27/2022] Open
Abstract
In the present study, role of various physicochemical parameters influencing the production of antimicrobial pigment prodigiosin from Serratia nematodiphila RL2 was determined and optimized. The pigment-producing strain was isolated and based on molecular characterization (16S rRNA sequencing), was identified as S. nematodiphila RL2. The pigment produced by S. nematodiphila RL2 was characterized by thin layer chromatography (Rf 0.94), spectrophotometrically (λmax 535 nm) and identified as prodigiosin. Optimization of production parameters of prodigiosin revealed, nutrient broth medium supplemented with lactose and yeast extract at 1% concentration each, have a positive effect on the bacterial growth (10.25-4.6 mg/ml DCW) as well as pigment production (0.46-0.6 mg/ml). Prodigiosin production (0.64 mg/ml) increases optimally after 46-48 h of incubation, at 35 °C at pH between 6 and 7 with addition of metal ions such as Uranyl acetate. An increase of 65% in prodigiosin production (0.46-0.76 mg/ml) was observed after optimizing the various production parameters than unoptimized conditions. Antimicrobial activity of the prodigiosin was also evaluated and found to be effective antimicrobial agent against bacterial pathogens including Listeria sp., Pseudomonas sp., Yersinia sp. and Shigella sp. Present study indicate that S. nematodiphila RL2 is a potent source of pigment prodigiosin which can be further explored for production of prodigiosin.
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Affiliation(s)
- Vijay Singh Gondil
- Department of Biotechnology, Himachal Pradesh University, Summer Hill, Shimla, Himachal Pradesh 171005 India
| | - Mohammad Asif
- Department of Biotechnology, Himachal Pradesh University, Summer Hill, Shimla, Himachal Pradesh 171005 India
| | - Tek Chand Bhalla
- Department of Biotechnology, Himachal Pradesh University, Summer Hill, Shimla, Himachal Pradesh 171005 India
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47
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Masschelein J, Jenner M, Challis GL. Antibiotics from Gram-negative bacteria: a comprehensive overview and selected biosynthetic highlights. Nat Prod Rep 2017. [PMID: 28650032 DOI: 10.1039/c7np00010c] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Covering: up to 2017The overwhelming majority of antibiotics in clinical use originate from Gram-positive Actinobacteria. In recent years, however, Gram-negative bacteria have become increasingly recognised as a rich yet underexplored source of novel antimicrobials, with the potential to combat the looming health threat posed by antibiotic resistance. In this article, we have compiled a comprehensive list of natural products with antimicrobial activity from Gram-negative bacteria, including information on their biosynthetic origin(s) and molecular target(s), where known. We also provide a detailed discussion of several unusual pathways for antibiotic biosynthesis in Gram-negative bacteria, serving to highlight the exceptional biocatalytic repertoire of this group of microorganisms.
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Affiliation(s)
- J Masschelein
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, UK.
| | - M Jenner
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, UK.
| | - G L Challis
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, UK.
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Perveen I, Raza MA, Iqbal T, Naz I, Sehar S, Ahmed S. Isolation of anticancer and antimicrobial metabolites from Epicoccum nigrum; endophyte of Ferula sumbul. Microb Pathog 2017. [PMID: 28648623 DOI: 10.1016/j.micpath.2017.06.033] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Owing to the importance of endophytes, current research was aimed to purify the secondary metabolites from targeted source. Ferula sumbul, a lipophilic extract of the endophyte was prepared in 10% methanol and partitioned with ethyl acetate and bioassay guided isolation was carried using standard protocols against bacterial, fungal and cancer cells. The active fractions consisted of three new metabolites (2-methyl-3-nonyl prodiginine, Bis (2-ethylhexyl) phthalate, and a meroterpenoid, Preaustinoid A). Their structures were confirmed with LCMS/MS. The purified metabolites showed valuable results against tested activities which concluded that these compounds have great potential and these may be applicable to textile (dyeing), pharmaceutical (drug, infectious agents) and food (preservatives) industries. This study reveals the potential of E. nigrum as an important source of bioactive compounds including 2-methyl-3-nonyl prodiginine, Bis (2-ethylhexyl) phthalate, and Preaustinoid A. This is first report of isolation of prodiginines as well as meroterpenoid and Bis (2-ethylhexyl) phthalate from Epicoccum nigrum.
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Affiliation(s)
- Irum Perveen
- Microbiology Research Laboratory, Department of Microbiology, Quaid-i-Azam University, Islamabad 45320, Pakistan.
| | | | - Tahir Iqbal
- Department of Zoology, University of Gujrat, Gujrat, Pakistan
| | - Iffat Naz
- Microbiology Research Laboratory, Department of Microbiology, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Shama Sehar
- Microbiology Research Laboratory, Department of Microbiology, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Safia Ahmed
- Microbiology Research Laboratory, Department of Microbiology, Quaid-i-Azam University, Islamabad 45320, Pakistan
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Crystal structure of MBP-PigG fusion protein and the essential function of PigG in the prodigiosin biosynthetic pathway in Serratia marcescens FS14. Int J Biol Macromol 2017; 99:394-400. [PMID: 28258005 DOI: 10.1016/j.ijbiomac.2017.02.088] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2016] [Revised: 02/22/2017] [Accepted: 02/24/2017] [Indexed: 11/23/2022]
Abstract
Prodigiosin, a tripyrrole red pigment is synthesized by Serratia and some other microbes through a bifurcated biosynthesis pathway; MBC (4-methoxy-2,2'-bipyrrole-5-carbaldehyde) and MAP (2-methyl-3-n-amyl-pyrrole) are synthesized separately and then condensed by PigC to form prodigiosin. PigI, PigG and PigA have been shown to be involved in the first steps of MBC biosynthesis (proline incorporation). The crystal structure of PigG was resolved to elucidate its function and mechanism. PigG, an acyl carrier protein (ACP), features the ACP architecture:, a helical bundle fold containing three major helices and a minor distorted helix together with a conserved "S" motif. An in-frame deletion mutation of the pigG gene abolished the synthesis of prodigiosin in Serratia marcescens FS14. The production of prodigiosin was fully restored by complementation of intact pigG; however the S36A mutant was not able to restore function in the in-frame deletion pigG mutant, indicating that PigG and the conserved serine residue (S36) of PigG are essential for the synthesis of prodigiosin.
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Dozie-Nwachukwu S, Danyuo Y, Obayemi J, Odusanya O, Malatesta K, Soboyejo W. Extraction and encapsulation of prodigiosin in chitosan microspheres for targeted drug delivery. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 71:268-278. [DOI: 10.1016/j.msec.2016.09.078] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 09/06/2016] [Accepted: 09/29/2016] [Indexed: 10/20/2022]
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