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Yang HA, Han TH, Haam K, Lee KS, Kim J, Han TS, Lee MS, Ban HS. Prodigiosin regulates cancer metabolism through interaction with GLUT1. Nat Prod Res 2024:1-8. [PMID: 38913075 DOI: 10.1080/14786419.2024.2367241] [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: 02/15/2024] [Accepted: 06/07/2024] [Indexed: 06/25/2024]
Abstract
In contrast to normal cells, cancer cells predominantly utilise glycolysis for ATP generation under aerobic conditions, facilitating proliferation and metastasis. Targeting glycolysis is effective for cancer treatment. Prodigiosin (PDG) is a natural compound with various bioactivities, including anticancer effects. However, the precise action mechanisms and molecular targets of PDG, which has demonstrated efficacy in regulating glucose metabolism in cancer cells, remain elusive. Here, we aimed to investigate the anti-cancer activity of PDG and mechanism in cancer metabolism. PDG regulated cancer metabolism by suppressing intracellular ATP production rate and levels. It inhibited glycolysis and mitochondrial oxidative phosphorylation, impeding ATP production dependent on both glycolysis and mitochondrial respiration. Moreover, it inhibited cellular glucose uptake by directly interacting with glucose transporter 1 without affecting its mRNA or protein levels in HCT116 cells. We provide insights into the anti-cancer effects of PDG mediated via cancer metabolism regulation, suggesting its therapeutic potential for cancer.
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Affiliation(s)
- Hyun-A Yang
- Biotherapeutics Translational Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Tae-Hee Han
- Biotherapeutics Translational Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Keeok Haam
- Aging Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
| | - Kyung-Soo Lee
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
- Environmental Diseases Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
| | - Jinsu Kim
- Biotherapeutics Translational Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Tae-Su Han
- Biotherapeutics Translational Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Moo-Seung Lee
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
- Environmental Diseases Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
| | - Hyun Seung Ban
- Biotherapeutics Translational Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
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Gonzales M, Jacquet P, Gaucher F, Chabrière É, Plener L, Daudé D. AHL-Based Quorum Sensing Regulates the Biosynthesis of a Variety of Bioactive Molecules in Bacteria. JOURNAL OF NATURAL PRODUCTS 2024; 87:1268-1284. [PMID: 38390739 DOI: 10.1021/acs.jnatprod.3c00672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
Bacteria are social microorganisms that use communication systems known as quorum sensing (QS) to regulate diverse cellular behaviors including the production of various secreted molecules. Bacterial secondary metabolites are widely studied for their bioactivities including antibiotic, antifungal, antiparasitic, and cytotoxic compounds. Besides playing a crucial role in natural bacterial niches and intermicrobial competition by targeting neighboring organisms and conferring survival advantages to the producer, these bioactive molecules may be of prime interest to develop new antimicrobials or anticancer therapies. This review focuses on bioactive compounds produced under acyl homoserine lactone-based QS regulation by Gram-negative bacteria that are pathogenic to humans and animals, including the Burkholderia, Serratia, Pseudomonas, Chromobacterium, and Pseudoalteromonas genera. The synthesis, regulation, chemical nature, biocidal effects, and potential applications of these identified toxic molecules are presented and discussed in light of their role in microbial interactions.
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Affiliation(s)
- Mélanie Gonzales
- Aix Marseille Université, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille 13288, France
- Gene&GreenTK, Marseille 13005, France
| | | | | | - Éric Chabrière
- Aix Marseille Université, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille 13288, France
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Sharma N, Shekhar P, Kumar V, Kaur H, Jayasena V. Microbial pigments: Sources, current status, future challenges in cosmetics and therapeutic applications. J Basic Microbiol 2024; 64:4-21. [PMID: 37861279 DOI: 10.1002/jobm.202300214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 09/19/2023] [Accepted: 09/23/2023] [Indexed: 10/21/2023]
Abstract
Color serves as the initial attraction and offers a pleasing aspect. While synthetic colorants have been popular for many years, their adverse environmental and health effects cannot be overlooked. This necessitates the search for natural colorants, especially microbial colorants, which have proven and more effective. Pigment-producing microorganisms offer substantial benefits. Natural colors improve product marketability and bestow additional benefits, including antioxidant, antiaging, anticancer, antiviral, antimicrobial, and antitumor properties. This review covers the various types of microbial pigments, the methods to enhance their production, and their cosmetic and therapeutic applications. We also address the challenges faced during the commercial production of microbial pigments and propose potential solutions.
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Affiliation(s)
- Nitin Sharma
- Chandigarh Group of Colleges, Landran, Mohali, Punjab, India
| | | | - Vikas Kumar
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, India
| | - Harpreet Kaur
- Chandigarh Group of Colleges, Landran, Mohali, Punjab, India
| | - Vijay Jayasena
- School of Science and Health, Western Sydney University, Penrith, New South Wales, Australia
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Bhombal YN, Patil YP, Barvkar VT, Kaledhonkar AA, Patil SS, Joshi RS, Pable AA. Prodigiosin from Serratia rubidaea MJ 24 impedes Helicoverpa armigera development by the dysregulation of Juvenile hormone-dopamine system. Microbiol Res 2023; 274:127422. [PMID: 37301080 DOI: 10.1016/j.micres.2023.127422] [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: 02/22/2023] [Revised: 05/08/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023]
Abstract
Prodigiosin pigment is a secondary metabolite produced by many bacterial species and is known for its medicinal properties. A few of these prodigiosin-producing bacteria are also reported to be entomopathogenic. It is intriguing to unravel the role of prodigiosin in insecticidal activities and its mode of action. In this study, we have shown the production and characterization of prodigiosin from the Serratia rubidaea MJ 24 isolated from the soil of the Western Ghats, India. Further, we assessed the effect of this pigment on the lepidopteran agricultural pest, Helicoverpa armigera. Prodigiosin-fed H. armigera indicated defective development of insect growth upon treatment. Due to defective early development, about 50% mortality and 40% reduction in body weight were observed in insects fed on a 500 ppm prodigiosin-containing diet. The transcriptomic analysis of these insects indicated significant dysregulation of Juvenile hormone synthesis and response related genes. In addition, dopamine related processes and their resultant melanization and sclerotization processes were also found to be affected. The changes in the expression levels of the key transcripts were further validated using real-time quantitative PCR. The metabolome data confirmed the developmental dysregulation of precursors and products of differentially regulated genes due to prodigiosin. Therefore, the corroborated data suggests that prodigiosin majorly affects H. armigera development through dysregulation of the Juvenile hormone-dopamine system and can be considered as a bioactive scaffold to design insect-pest management compounds. This study provides the first report of in-depth analysis of insecticidal system dynamics in H. armigera insects upon prodigiosin feeding via gene expression and metabolic change via omics approach.
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Affiliation(s)
- Yaseera N Bhombal
- Department of Microbiology, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India
| | - Yogita P Patil
- Biochemical Sciences Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Vitthal T Barvkar
- Department of Botany, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India
| | - Aditi A Kaledhonkar
- Department of Microbiology, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India
| | - Swaranjali S Patil
- Department of Botany, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India
| | - Rakesh S Joshi
- Biochemical Sciences Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India.
| | - Anupama A Pable
- Department of Microbiology, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India.
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Anwar MM, Albanese C, Hamdy NM, Sultan AS. Rise of the natural red pigment 'prodigiosin' as an immunomodulator in cancer. Cancer Cell Int 2022; 22:419. [PMID: 36577970 PMCID: PMC9798661 DOI: 10.1186/s12935-022-02815-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 11/29/2022] [Indexed: 12/29/2022] Open
Abstract
Cancer is a heterogeneous disease with multifaceted drug resistance mechanisms (e.g., tumour microenvironment [TME], tumour heterogeneity, and immune evasion). Natural products are interesting repository of bioactive molecules, especially those with anticancer activities. Prodigiosin, a red pigment produced by Serratia marcescens, possesses inherent anticancer characteristics, showing interesting antitumour activities in different cancers (e.g., breast, gastric) with low or without harmful effects on normal cells. The present review discusses the potential role of prodigiosin in modulating and reprogramming the metabolism of the various immune cells in the TME, such as T and B lymphocytes, tumour-associated macrophages (TAMs), natural killer (NK) cells, and tumour-associated dendritic cells (TADCs), and myeloid-derived suppressor cells (MDSCs) which in turn might introduce as an immunomodulator in cancer therapy.
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Affiliation(s)
- Mohammed Moustapha Anwar
- grid.7155.60000 0001 2260 6941Department of Biotechnology, Institute of Graduate Studies and Research (IGSR), Alexandria University, Alexandria, Egypt
| | - Chris Albanese
- grid.516085.f0000 0004 0606 3221Oncology and Radiology Departments, Lombardi Comprehensive Cancer Center, Washington, D.C. USA
| | - Nadia M. Hamdy
- Department of Biochemistry, Ain Shams Faculty of Pharmacy, Cairo, Egypt
| | - Ahmed S. Sultan
- grid.7155.60000 0001 2260 6941Biochemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
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Concerted regulation of OPG/RANKL/ NF‑κB/MMP-13 trajectories contribute to ameliorative capability of prodigiosin and/or low dose γ-radiation against adjuvant- induced arthritis in rats. Int Immunopharmacol 2022; 111:109068. [PMID: 35944459 DOI: 10.1016/j.intimp.2022.109068] [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: 05/27/2022] [Revised: 07/08/2022] [Accepted: 07/14/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Prodigiosin (PDG) is a microbial red dye with antioxidant and anti-inflammatory properties, although its effect on rheumatoid arthritis (RA) remains uncertain. Also, multiple doses of low dose γ- radiation (LDR) have been observed to be as a successful intervention for RA. Thus, the purpose of this study was to investigate the ameliorative potential of PDG and/or LDR on adjuvant-induced arthritis (AIA) in rats. METHODS The anti-inflammatory and anti-arthritic effects of PDG and/or LDR were examined in vitro and in vivo, respectively. In the AIA model, the arthritic indexes, paw swelling degrees, body weight gain, and histopathological assessment in AIA rats were assayed. The impact of PDG (200 µg/kg; p.o) and/or LDR (0.5 Gy) on the levels of pro- and anti-inflammatory cytokines (IL-1β, TNF-α, IL-6, IL-18, IL-17A, and IL-10) as well as the regulation of osteoprotegrin (OPG)/ receptor activator of nuclear factor κB ligand (RANKL)/ nuclear factor-κB (NF-κB)/MMP-13 pathways was determined. Methotrexate (MTX; 0.05 mg/kg; twice/week, i.p) was administered concurrently as a standard anti-arthritic drug. RESULTS PDG and/or LDR markedly diminished the arthritic indexes, paw edema, weigh loss in AIA rats, alleviated the pathological alterations in joints, reduced the levels of pro-inflammatory cytokines IL-1β, TNF-α, IL-6, IL-18, IL-17A, and RANKL in serum and synovial tissues, while increasing anti-inflammatory cytokines IL-10 and OPG levels. Moreover, PDG and/or LDR down-regulated the expression of RANKL, NF-κBp65, MMP13, caspase-3, and decreased the RANKL/OPG ratio, whereas OPG and collagen II were enhanced in synovial tissues. CONCLUSION PDG and/or LDR exhibited obvious anti-RA activity on AIA.
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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: 18] [Impact Index Per Article: 9.0] [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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Hazarika DJ, Kakoti M, Kalita R, Gautom# T, Goswami G, Barooah M, Boro RC. Prodigiosin from an Endofungal Bacterium Serratia marcescens D1 Inhibits Biofilm Formation in Gram-Positive Bacteria. Microbiology (Reading) 2021. [DOI: 10.1134/s0026261722010052] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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9
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Statistical Optimization of Prodigiosin Production by Plackett-burman Design for Bacteria Isolated from Indian Marine Soil. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2021. [DOI: 10.22207/jpam.15.3.46] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The current investigation was conducted to maximise the production of the natural anticancer drug from the microbe isolated from the marine soil sample of the Coromandel Coast of the Bay of Bengal region of India. Yellow to red colour pigmented microbes separated by crowd plate method. Bacteria are producing strong colour product subjected to future study. The isolated strains were detected based on biochemical, morphological, and genetic characteristics. Pigment formation was found to be influenced strongly by conditions of the environment. The water-insoluble pigment extracted by acidified methanol and showed maximum absorbance at 535nm. A statistical screening procedure was adopted to select the optimum condition to produce the pigment. The carbon, nitrogen, medium pH, growth condition temperature and revolution of agitation were screened using the response surface methodology statistical model. The near optimum conditions for the production medium were affected by the concentration of peanut, L-proline, percentage inoculum pH and incubation time. When these conditions were employed yield increased as two-fold as the concentration of prodigiosin 789 mg/l.
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Rapid Genome Modification in Serratia marcescens Through Red Homologous Recombination. Appl Biochem Biotechnol 2021; 193:2916-2931. [PMID: 33970425 DOI: 10.1007/s12010-021-03576-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 05/04/2021] [Indexed: 10/21/2022]
Abstract
Despite the great potential of Serratia marcescens in industrial applications, lack of powerful genetic modification tools limits understanding of the regulatory networks of the useful metabolites and therefore restricts their mass production. To meet the urgent demand, we established a genome-editing strategy for S. marcescens based on Red recombineering in this study. Without host modification in advance, nucA and pigA were substituted by PCR-amplified resistance genes. No long homologous arms were required at the two sides of resistance genes. Using this procedure, the fragment at the S. marcescens as large as 20 kb was easily deleted. Then we constructed a counter-selection gene kil constructed under the control of inducible PBAD operon, which demonstrates obvious lethality to S. marcescens. Subsequently, GmR-kil double selection cassette was inserted into the CDS of pigA gene. Using single-stranded DNA-mediated recombination, this insertion mutation was efficiently repaired through kil counter-selection. A powerful genetic modification platform based on Red recombineering system was successfully established for S. marcescens. Multiple types of modification and multiple recombination strategies can all be performed easily in this species. We hope this study will be useful for the theoretical research and the research of metabolic engineering in S. marcescens.
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Choi SY, Lim S, Yoon KH, Lee JI, Mitchell RJ. Biotechnological Activities and Applications of Bacterial Pigments Violacein and Prodigiosin. J Biol Eng 2021; 15:10. [PMID: 33706806 PMCID: PMC7948353 DOI: 10.1186/s13036-021-00262-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/03/2021] [Indexed: 12/14/2022] Open
Abstract
In this review, we discuss violacein and prodigiosin, two chromogenic bacterial secondary metabolites that have diverse biological activities. Although both compounds were "discovered" more than seven decades ago, interest into their biological applications has grown in the last two decades, particularly driven by their antimicrobial and anticancer properties. These topics will be discussed in the first half of this review. The latter half delves into the current efforts of groups to produce these two compounds. This includes in both their native bacterial hosts and heterogeneously in other bacterial hosts, including discussing some of the caveats related to the yields reported in the literature, and some of the synthetic biology techniques employed in this pursuit.
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Affiliation(s)
- Seong Yeol Choi
- School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, South Korea
| | - Sungbin Lim
- School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, South Korea
| | - Kyoung-Hye Yoon
- Department of Physiology, Mitohormesis Research Center, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do, South Korea.
| | - Jin I Lee
- Division of Biological Science and Technology, College of Science and Technology, Yonsei University, Mirae Campus, Wonju, Gangwon-do, South Korea.
| | - Robert J Mitchell
- School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, South Korea.
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Thongkawphueak T, Winter AJ, Williams C, Maple HJ, Soontaranon S, Kaewhan C, Campopiano DJ, Crump MP, Wattana-Amorn P. Solution Structure and Conformational Dynamics of a Doublet Acyl Carrier Protein from Prodigiosin Biosynthesis. Biochemistry 2021; 60:219-230. [PMID: 33416314 DOI: 10.1021/acs.biochem.0c00830] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The acyl carrier protein (ACP) is an indispensable component of both fatty acid and polyketide synthases and is primarily responsible for delivering acyl intermediates to enzymatic partners. At present, increasing numbers of multidomain ACPs have been discovered with roles in molecular recognition of trans-acting enzymatic partners as well as increasing metabolic flux. Further structural information is required to provide insight into their function, yet to date, the only high-resolution structure of this class to be determined is that of the doublet ACP (two continuous ACP domains) from mupirocin synthase. Here we report the solution nuclear magnetic resonance (NMR) structure of the doublet ACP domains from PigH (PigH ACP1-ACP2), which is an enzyme that catalyzes the formation of the bipyrrolic intermediate of prodigiosin, a potent anticancer compound with a variety of biological activities. The PigH ACP1-ACP2 structure shows each ACP domain consists of three conserved helices connected by a linker that is partially restricted by interactions with the ACP1 domain. Analysis of the holo (4'-phosphopantetheine, 4'-PP) form of PigH ACP1-ACP2 by NMR revealed conformational exchange found predominantly in the ACP2 domain reflecting the inherent plasticity of this ACP. Furthermore, ensemble models obtained from SAXS data reveal two distinct conformers, bent and extended, of both apo (unmodified) and holo PigH ACP1-ACP2 mediated by the central linker. The bent conformer appears to be a result of linker-ACP1 interactions detected by NMR and might be important for intradomain communication during the biosynthesis. These results provide new insights into the behavior of the interdomain linker of multiple ACP domains that may modulate protein-protein interactions. This is likely to become an increasingly important consideration for metabolic engineering in prodigiosin and other related biosynthetic pathways.
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Affiliation(s)
- Thitapa Thongkawphueak
- Department of Chemistry, Special Research Unit for Advanced Magnetic Resonance and Center of Excellence for Innovation in Chemistry, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Ashley J Winter
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, U.K
| | - Christopher Williams
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, U.K.,BrisSynBio, Centre for Synthetic Biology Research, Life Sciences Building, Tyndall Avenue, University of Bristol, Bristol BS8 1TQ, U.K
| | - Hannah J Maple
- School of Social and Community Medicine, University of Bristol, Oakfield House, Bristol BS8 2BN, U.K
| | - Siriwat Soontaranon
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima 30000, Thailand
| | - Chonthicha Kaewhan
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima 30000, Thailand
| | - Dominic J Campopiano
- School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh EH9 3FJ, U.K
| | - Matthew P Crump
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, U.K.,BrisSynBio, Centre for Synthetic Biology Research, Life Sciences Building, Tyndall Avenue, University of Bristol, Bristol BS8 1TQ, U.K
| | - Pakorn Wattana-Amorn
- Department of Chemistry, Special Research Unit for Advanced Magnetic Resonance and Center of Excellence for Innovation in Chemistry, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
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Branco PC, Pontes CA, Rezende-Teixeira P, Amengual-Rigo P, Alves-Fernandes DK, Maria-Engler SS, da Silva AB, Pessoa ODL, Jimenez PC, Mollasalehi N, Chapman E, Guallar V, Machado-Neto JA, Costa-Lotufo LV. Survivin modulation in the antimelanoma activity of prodiginines. Eur J Pharmacol 2020; 888:173465. [PMID: 32814079 DOI: 10.1016/j.ejphar.2020.173465] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 08/04/2020] [Accepted: 08/04/2020] [Indexed: 10/23/2022]
Abstract
Melanoma is a type of skin cancer with an elevated incidence of metastasis and chemoresistance. Such features hamper treatment success of these neoplasms, demanding the search for new therapeutic options. Using a two-step resin-based approach, we recently demonstrated that cytotoxic prodiginines bind to the inhibitor of apoptosis protein, survivin. Herein, we explore the role of survivin in melanoma and whether its modulation is related to the antimelanoma properties of three cytotoxic prodiginines (prodigiosin, cyclononylprodigiosin, and nonylprodigiosin) isolated from marine bacteria. In melanoma patients and cell lines, survivin is overexpressed, and higher levels negatively impact survival. All three prodiginines caused a decrease in cell growth with reduced cytotoxicity after 24 h compared to 72 h treatment, suggesting that low concentrations promote cytostatic effects in SK-Mel-19 (BRAF mutant) and SK-Mel-28 (BRAF mutant), but not in SK-Mel-147 (NRAS mutant). An increase in G1 population was observed after 24 h treatment with prodigiosin and cyclononylprodigiosin in SK-Mel-19. Further studies indicate that prodigiosin induced apoptosis and DNA damage, as detected by increased caspase-3 cleavage and histone H2AX phosphorylation, further arguing for the downregulation of survivin. Computer simulations suggest that prodigiosin and cyclononylprodigiosin bind to the BIR domain of survivin. Moreover, knockdown of survivin increased long-term toxicity of prodigiosin, as observed by reduced clonogenic capacity, but did not alter short-term cytotoxicity. In summary, prodiginine treatment provoked cytostatic rather than cytotoxic effects, cell cycle arrest at G0/G1 phase, induction of apoptosis and DNA damage, downregulation of survivin, and decreased clonogenic capacity in survivin knockdown cells.
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Affiliation(s)
- Paola C Branco
- Department of Pharmacology, Institute of Biomedical Science, University of São Paulo, 05508-900, Sao Paulo, SP, Brazil
| | - Cristine A Pontes
- Department of Pharmacology, Institute of Biomedical Science, University of São Paulo, 05508-900, Sao Paulo, SP, Brazil
| | - Paula Rezende-Teixeira
- Department of Pharmacology, Institute of Biomedical Science, University of São Paulo, 05508-900, Sao Paulo, SP, Brazil
| | - Pep Amengual-Rigo
- Department of Life Sciences, Barcelona Supercomputing Center, 08034, Barcelona, Spain
| | - Débora K Alves-Fernandes
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, 05508-000, São Paulo, SP, Brazil
| | - Silvya Stuchi Maria-Engler
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, 05508-000, São Paulo, SP, Brazil
| | - Alison B da Silva
- Department of Organic and Inorganic Chemistry, Federal University of Ceará, 60021, Fortaleza, CE, Brazil
| | - Otília Deusdênia L Pessoa
- Department of Organic and Inorganic Chemistry, Federal University of Ceará, 60021, Fortaleza, CE, Brazil
| | - Paula C Jimenez
- Institute of Marine Sciences, Institute of Marine Sciences, Federal University of São Paulo, 11.070-100, Santos, SP, Brazil
| | - Niloufar Mollasalehi
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, 85721-0207, Tucson, USA
| | - Eli Chapman
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, 85721-0207, Tucson, USA
| | - Victor Guallar
- Department of Life Sciences, Barcelona Supercomputing Center, 08034, Barcelona, Spain
| | - João A Machado-Neto
- Department of Pharmacology, Institute of Biomedical Science, University of São Paulo, 05508-900, Sao Paulo, SP, Brazil
| | - Leticia V Costa-Lotufo
- Department of Pharmacology, Institute of Biomedical Science, University of São Paulo, 05508-900, Sao Paulo, SP, Brazil.
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Bhagwat A, Padalia U. Optimization of prodigiosin biosynthesis by Serratia marcescens using unconventional bioresources. J Genet Eng Biotechnol 2020; 18:26. [PMID: 32648013 PMCID: PMC7347734 DOI: 10.1186/s43141-020-00045-7] [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: 04/22/2020] [Accepted: 06/26/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND Prodigiosin is a naturally occurring red pigment by Serratia marcescens and having enormous medicinal properties. Recently, there is a need to develop a high-throughput and economically feasible bioprocess for the production of prodigiosin. In order to find a cost-effective alternative to individual fatty acids as substrate in industries, we tried to study the effect of different fatty acid containing oil seed cakes of peanut, sesame, and mustard as sources of substrate. The present study screened waste and unconventional bioresources for the production of prodigiosin using S. marcescens ATCC 13880. Sources with high oil content were screened for maximum production of prodigiosin. Also, various parameters like temperature, pH, and nutrient precursors were screened and optimized for the production of prodigiosin. RESULTS Scaled-up of optimized media consisting of 4% peanut oil seed cake powder, 2% sucrose, pH 7.5, temperature 28 °C, and 72 h incubation time resulted in highest production of 15.5 g/L wet biomass and 0.9 g/L of dried prodigiosin. Further, UV scan of the pigment showed maximum absorbance at 538 nm which is physiological property of the pigment. Extraction and purification of the pigment at the commercial level using the chromatographic techniques and mass spectral analysis confirmed the presence of prodigiosin. CONCLUSION Using oil-extraction leftover wastes might help in the commercial and cost-effective production of prodigiosin.
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Affiliation(s)
- Ashlesha Bhagwat
- Department of Food Engineering and Technology, Institute of Chemical Technology, Mumbai, 400019 India
| | - Unnati Padalia
- Department of Microbiology, K. J. Somaiya College of Science and Commerce, Mumbai, 400019 India
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15
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Tan D, Fu L, Sun X, Xu L, Zhang J. Genetic Analysis and Immunoelectron Microscopy of Wild and Mutant Strains of the Rubber Tree Endophytic Bacterium Serratia marcescens Strain ITBB B5-1 Reveal Key Roles of a Macrovesicle in Storage and Secretion of Prodigiosin. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:5606-5615. [PMID: 32227934 DOI: 10.1021/acs.jafc.0c00078] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Rubber tree is an economically important tropical crop. Its endophytic bacterial strain Serratia marcescens ITBB B5-1 contains an intracellular macrovesicle and red pigment. In this research, the red pigment was identified as prodigiosin by quadrupole time-of-flight mass spectrometry. Prodigiosin has a wide range of potential medical values such as anticancer and antiorgan transplant rejection. The strain ITBB B5-1 accumulated prodigiosin up to 2000 mg/L, which is higher production compared to most known Serratia strains. The formation of the macrovesicle and prodigiosin biosynthesis were highly associated and were both temporal- and temperature-dependent. A mutant strain B5-1mu that failed to produce prodigiosin was obtained by ultraviolet mutagenesis. Whole genome sequencing of wild-type and mutant strains indicated that the PigC gene encoding the last-step enzyme in the prodigiosin biosynthesis pathway was mutated in B5-1mu by a 17-bp deletion. Transmission electron microscopy analysis showed that the macrovesicle was absent in the mutant strain, indicating that formation of the macrovesicle relied on prodigiosin biosynthesis. Immunoelectron microscopy using prodigiosin-specific antiserum showed the presence of prodigiosin in the macrovesicle, the cell wall, and the extracellular vesicles, while immuno-reaction was not observed in the mutant cell. These results indicate that the macrovesicle serves as a storage organelle of prodigiosin, and secretes prodigiosin into cell envelop and culture medium as extracellular vesicles.
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Affiliation(s)
- Deguan Tan
- Institute of Tropical Bioscience and Biotechnology, MOA Key Laboratory of Tropical Crops Biology and Genetic Resources, CATAS, Xueyuan Road 4, Haikou 571101, China
- Hainan Academy of Tropical Agricultural Resource, CATAS, Xueyuan Road 4, Haikou 571101, China
| | - Lili Fu
- Institute of Tropical Bioscience and Biotechnology, MOA Key Laboratory of Tropical Crops Biology and Genetic Resources, CATAS, Xueyuan Road 4, Haikou 571101, China
| | - Xuepiao Sun
- Institute of Tropical Bioscience and Biotechnology, MOA Key Laboratory of Tropical Crops Biology and Genetic Resources, CATAS, Xueyuan Road 4, Haikou 571101, China
| | - Long Xu
- College of Life Sciences, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangshu 210095, China
| | - Jiaming Zhang
- Institute of Tropical Bioscience and Biotechnology, MOA Key Laboratory of Tropical Crops Biology and Genetic Resources, CATAS, Xueyuan Road 4, Haikou 571101, China
- Hainan Academy of Tropical Agricultural Resource, CATAS, Xueyuan Road 4, Haikou 571101, China
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16
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Hazarika DJ, Gautom T, Parveen A, Goswami G, Barooah M, Modi MK, Boro RC. Mechanism of interaction of an endofungal bacterium Serratia marcescens D1 with its host and non-host fungi. PLoS One 2020; 15:e0224051. [PMID: 32320394 PMCID: PMC7176118 DOI: 10.1371/journal.pone.0224051] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 03/07/2020] [Indexed: 01/17/2023] Open
Abstract
Association of bacteria with fungi is a major area of research in infection biology, however, very few strains of bacteria have been reported that can invade and reside within fungal hyphae. Here, we report the characterization of an endofungal bacterium Serratia marcescens D1 from Mucor irregularis SS7 hyphae. Upon re-inoculation, colonization of the endobacterium S. marcescens D1 in the hyphae of Mucor irregularis SS7 was demonstrated using stereo microscopy. However, S. marcescens D1 failed to invade into the hyphae of the tested Ascomycetes (except Fusarium oxysporum) and Basidiomycetes. Remarkably, Serratia marcescens D1 could invade and spread over the culture of F. oxysporum that resulted in mycelial death. Prodigiosin, the red pigment produced by the Serratia marcescens D1, helps the bacterium to invade fungal hyphae as revealed by the increasing permeability in fungal cell membrane. On the other hand, genes encoding the type VI secretion system (T6SS) assembly protein TssJ and an outer membrane associated murein lipoprotein also showed significant up-regulation during the interaction process, suggesting the involvement of T6SS in the invasion process.
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Affiliation(s)
- Dibya Jyoti Hazarika
- Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, India
| | - Trishnamoni Gautom
- Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, India
| | - Assma Parveen
- Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, India
| | - Gunajit Goswami
- DBT-North East Centre for Agricultural Biotechnology, Assam Agricultural University, Jorhat, India
| | - Madhumita Barooah
- Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, India
| | - Mahendra Kumar Modi
- Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, India
| | - Robin Chandra Boro
- Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, India
- * E-mail:
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17
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RedH and PigC Catalyze the Biosynthesis of Hybrubins via Phosphorylation of 4'-Methoxy-2,2'-Bipyrrole-5'-Carbaldehyde. Appl Environ Microbiol 2020; 86:AEM.02331-19. [PMID: 31704680 DOI: 10.1128/aem.02331-19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 11/05/2019] [Indexed: 11/20/2022] Open
Abstract
Hybrubins are "unnatural" alkaloids with the same 4'-methoxy-2,2'-bipyrrole-5'-methine moiety found in prodiginines and a different ring derived from tetramic acids. Here, we demonstrated that RedH, a homologue of prodigiosin synthetase PigC, was responsible for the biosynthesis of hybrubins A and B in Streptomyces lividans In vitro reactions indicated that RedH and PigC catalyzed the intermolecular condensation between 4'-methoxy-2,2'-bipyrrole-5'-carbaldehyde (MBC) and (Z)-5-ethylidenetetramic acid (ETA) to produce hybrubin B. Moreover, we demonstrated that RedH and PigC activated MBC via phosphorylation of the aldehyde group to form an intermediate Pi-MBC and that the subsequent condensation between Pi-MBC and (Z)-5-ethylidenetetramic acid occurs in a nonenzymatic way.IMPORTANCE Hybrubins are an emerging class of prodiginines possessing a new C ring derived from 5'-substituted tetramic acids and the methylene bridge connecting the C ring at a different position. We have supposed that condensation between 4'-methoxy-2,2'-bipyrrole-5'-carbaldehyde (MBC) and 5-ethylidenetetramic acid (ETA) yields the hybrid natural products hybrubins, which was proposed to be catalyzed by the undecylprodigiosin synthetase RedH. However, it is doubted whether RedH is able to catalyze another type of condensation between MBC and tetramic acids. In this study, we have demonstrated that the MBC-ETA condensation proceeds through RedH/PigC-catalyzed enzymatic activation of MBC via phosphorylation and a nonenzymatic condensation of Pi-MBC with ETA. Since MBC analogues have been shown to be accepted by PigC, more hybrubin analogues might be produced by using combinations of MBC analogues and other tetramic acids in future studies.
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18
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Ramesh C, Vinithkumar NV, Kirubagaran R, Venil CK, Dufossé L. Multifaceted Applications of Microbial Pigments: Current Knowledge, Challenges and Future Directions for Public Health Implications. Microorganisms 2019; 7:microorganisms7070186. [PMID: 31261756 PMCID: PMC6680428 DOI: 10.3390/microorganisms7070186] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 06/19/2019] [Accepted: 06/27/2019] [Indexed: 01/15/2023] Open
Abstract
Microbial oddities such as versatile pigments are gaining more attention in current research due to their widely perceived applications as natural food colorants, textiles, antimicrobial activities, and cytotoxic activities. This indicates that the future generation will depend on microbial pigments over synthetic colorants for sustainable livelihood. Although several reviews have detailed the comprehensive applications of microbial pigments extensively, knowledge on several aspects of pigmented microbes is apparently missing and not properly reviewed anywhere. Thus, this review has been made to provide overall knowledge on biodiversity, distribution, pathogenicity, and ecological and industrial applications of microbial pigments as well as their challenges and future directions for food, industrial, and biomedical applications. Meticulously, this compendious review treatise on the pigments from bacteria, fungi, yeasts, and microalgae includes reports from the 1970s to 2018. A total of 261 pigment compounds produced by about 500 different microbial species are included, and their bioactive nature is described.
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Affiliation(s)
- Chatragadda Ramesh
- National Centre for Coastal Research (NCCR), NCCR Field Office, Ministry of Earth Sciences (MoES), Mandapam Camp, TN 623519, India.
- Atal Centre for Ocean Science and Technology for Islands, ESSO-NIOT, Dollygunj, Port Blair, Andaman and Nicobar Islands 744103, India.
| | - Nambali Valsalan Vinithkumar
- Atal Centre for Ocean Science and Technology for Islands, 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, TN 600100, India
| | | | - Laurent Dufossé
- Laboratoire de Chimie des Substances Naturelles et des Sciences des Aliments-LCSNSA EA 2212, Université de La Réunion, ESIROI Agroalimentaire, 15 Avenue René Cassin, CS 92003, F-97744 Saint-Denis Cedex 9, Ile de La Réunion, France.
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19
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Prodigiosins from a marine sponge-associated actinomycete attenuate HCl/ethanol-induced gastric lesion via antioxidant and anti-inflammatory mechanisms. PLoS One 2019; 14:e0216737. [PMID: 31194753 PMCID: PMC6563954 DOI: 10.1371/journal.pone.0216737] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Accepted: 04/26/2019] [Indexed: 02/08/2023] Open
Abstract
Gastric ulcer is sores that form in the stomach mucosal layer because of erosion caused by high acid secretion and excessive use of non-steroidal anti-inflammatory drugs. Prodigiosins (PdGs) are red-pigmented secondary metabolites produced by bacteria, including actinomycetes. Butylcycloheptylprodigiosin (1) and undecylprodigiosin (2) were identified and isolated from a crude extract of the actinomycete RA2 isolated from the Red Sea Sponge Spheciospongia mastoidea. Chemical structure of 1 and 2 was determined by NMR and mass spectroscopy. Although their antioxidant and anti-inflammatory properties are known, their effect on gastric lesion is unknown. Therefore, this study aimed to investigate gastroprotective effects of PdGs against HCl/ethanol-induced gastric lesion in rats. Oral pretreatment with PdGs (100, 200, and 300 mg/kg) attenuated severity of HCl/ethanol-induced gastric mucosal injury, as evidenced by decreases in gastric lesion index scores, ulceration area, histopathologic abnormality, and neutrophil infiltration. These effects were comparable to those of omeprazole, a standard anti-gastric ulcer agent. HCl/ethanol-induced gastric erosions was associated with tremendous increases in lipid peroxidation, nitric oxide, and pro-inflammatory cytokines and mediators (myeloperoxidase, interleukin-1β, tumor necrosis factor-α, and cyclooxygenase-2), and with significant decreases in enzymatic and non-enzymatic antioxidant activities. However, PdGs ameliorated gastric inflammation and oxidative stress by downregulating nuclear factor kappa B and inducible nitric oxide synthase expression and upregulating heme oxygenase-1 expression. PdGs prevented gastric mucosal apoptosis by downregulating Bax and caspase-3 expression and upregulating Bcl-2 expression, thereby increasing prostaglandin E2 production. Our results suggested that PdGs exerted gastroprotective effects by decreasing the levels of inflammatory mediators, apoptotic markers, and antioxidants.
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20
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Fu Q, Xiao Y, Duan X, Huang H, Zhuang Z, Shen J, Pei Y, Xu H, Gan M. Continuous Fermentation of a Prodigiosin-Producing <i>Serratia marcescens </i>Strain Isolated from Soil. ACTA ACUST UNITED AC 2019. [DOI: 10.4236/abb.2019.104007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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21
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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: 45] [Impact Index Per Article: 7.5] [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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22
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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: 70] [Impact Index Per Article: 11.7] [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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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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Zhang H, Wang H, Zheng W, Yao Z, Peng Y, Zhang S, Hu Z, Tao Z, Zheng T. Toxic Effects of Prodigiosin Secreted by Hahella sp. KA22 on Harmful Alga Phaeocystis globosa. Front Microbiol 2017. [PMID: 28634473 PMCID: PMC5459917 DOI: 10.3389/fmicb.2017.00999] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Application of algicidal compounds secreted by bacteria is a promising and environmentally friendly strategy to control harmful algal blooms (HABs). Years ago prodigiosin was described as an efficient algicidal compound, but the details about the effect of prodigiosin on algal cells are still elusive. Prodigiosin shows high algicidal activity on Phaeocystis globosa, making it a potential algicide in HAB control. When P. globosa were treated with prodigiosin at 5 μg/mL, algae cells showed cytoplasmic hypervacuolization, chloroplast and nucleus rupture, flagella missing, and cell fracture, when observed by scanning electron microscope and transmission electron microscopy. Prodigiosin induced a reactive oxygen species (ROS) burst in P. globosa at 2 h, which could result in severe oxidative damage to algal cells. Chlorophyll a (Chl a) fluorescence decreased significantly after prodigiosin treatment; about 45.3 and 90.0% of algal cells lost Chl a fluorescence at 24 and 48 h. The Fv/Fm value, reflecting the status of the photosystem II electron flow also decreased after prodigiosin treatment. Quantitative polymerase chain reaction (PCR) analysis psbA and rbcS expression indicated that photosynthesis process was remarkably inhibited by prodigiosin. The results indicated that the inhibition of photosynthesis may produce excessive ROS causing cell necrosis. This study is the first report about algal lysis mechanism of prodigiosin on harmful algae. Our results could increase our knowledge on the interaction between algicidal compounds and harmful algae, which could lead to further studies in the microcosm.
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Affiliation(s)
- Huajun Zhang
- School of Marine Sciences, Ningbo UniversityNingbo, China
| | - Hui Wang
- Biology Department, College of Life Science, Shantou UniversityShantou, China
| | - Wei Zheng
- State Key Laboratory of Marine Environmental Science and Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, School of Life Sciences, Xiamen UniversityXiamen, China
| | - Zhiyuan Yao
- School of Marine Sciences, Ningbo UniversityNingbo, China
| | - Yun Peng
- State Key Laboratory of Marine Environmental Science and Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, School of Life Sciences, Xiamen UniversityXiamen, China
| | - Su Zhang
- State Key Laboratory of Marine Environmental Science and Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, School of Life Sciences, Xiamen UniversityXiamen, China
| | - Zhong Hu
- Biology Department, College of Life Science, Shantou UniversityShantou, China
| | - Zhen Tao
- School of Marine Sciences, Ningbo UniversityNingbo, China
| | - Tianling Zheng
- State Key Laboratory of Marine Environmental Science and Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, School of Life Sciences, Xiamen UniversityXiamen, China
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PLGA-based microparticles loaded with bacterial-synthesized prodigiosin for anticancer drug release: Effects of particle size on drug release kinetics and cell viability. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 66:51-65. [DOI: 10.1016/j.msec.2016.04.071] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 04/18/2016] [Accepted: 04/19/2016] [Indexed: 01/02/2023]
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26
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Marinova S, Nenkov P, Markova R, Nikolaeva S, Kostadinova R, Mitov I, Vretenarska M. Cellular and Humoral Systemic and Mucosal Immune Responses Stimulated by an Oral Polybacterial Immunomodulator in Patients with Chronic Urinary Tract Infections. Int J Immunopathol Pharmacol 2016; 18:457-473. [PMID: 16164822 DOI: 10.1177/039463200501800306] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
An oral polybacterial immunomodulator Urostim (U), composed of killed cells and their lysates from E. coli expressing type 1 and P-pili, E. coli Re mutant, P. mirabilis, K. pneumoniae and E. faecalis was created for immunoprophylaxis and immunotherapy of urinary tract infections (UTIs). In experimental animal models, the stimulating effect of U on lymphocyte functional activity, macrophage phagocytosis and antibody producing cells, was established. In this study the immuno-modulating effects of U on the proliferating capacity and ultrastructural morphologic changes of lymphocytes, cytokine production and specific systemic humoral and mucosal immune responses in patients with UTIs have been evaluated. Patients enrolled in the study, received orally 50 mg U daily for a period of three months. On days 0,30 and 90 a quantitative analysis was performed on lymphoproliferative responses to polyclonal mitogens, IL-2 and the specific antigen U, the production of specific serum and saliva IgA, IgM and IgG antibodies to all components of U and the concentration of pro-inflammatory cytokines. There was significant improvement of non-specific and specific lymphoproliferative responses on days 30 and 90 after the onset of treatment with U, confirmed by electron-microscopic studies. The highest concentrations of serum proinflammatory cytokines TNF-α, IL-1β, and IL-6 were registered at baseline followed by a decrease until the end of the observation period. This finding correlates with the gradual decrease of immune activation as measured by the spontaneous lymphocyte proliferation. Data from the production of specific antibacterial antibodies in serum and saliva show two types of reactions. The first type was registered in patients with low pre-treatment levels in whom the concentration of specific antibodies increased on days 30 and 90. The second type of reaction was observed in patients with high pre-treatment levels, which dropped on day 30 and were usually followed by an increase at the end of the study. These results provide evidence for the immuno-modulating effect of U. Our data show that the oral administration of the polybacterial immunomodulator Urostim stimulates adequate cellular and humoral systemic and mucosal immune responses in patients with chronic UTIs.
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Affiliation(s)
- S Marinova
- National Center of Infectious and Parasitic Diseases (NCIPD), Sofia, Bulgaria
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27
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Kancharla P, Kelly JX, Reynolds KA. Synthesis and Structure-Activity Relationships of Tambjamines and B-Ring Functionalized Prodiginines as Potent Antimalarials. J Med Chem 2015; 58:7286-309. [PMID: 26305125 PMCID: PMC11177801 DOI: 10.1021/acs.jmedchem.5b00560] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Synthesis and antimalarial activity of 94 novel bipyrrole tambjamines (TAs) and a library of B-ring functionalized tripyrrole prodiginines (PGs) against a panel of Plasmodium falciparum strains are described. The activity and structure-activity relationships demonstrate that the ring-C of PGs can be replaced by an alkylamine, providing for TAs with retained/enhanced potency. Furthermore, ring-B of PGs/TAs can be substituted with short alkyl substitutions at either 4-position (replacement of OMe) or 3- and 4-positions without impacting potency. Eight representative TAs and two PGs have been evaluated for antimalarial activity against multidrug-resistant P. yoelii in mice in the dose range of 5-100 mg/kg × 4 days by oral administration. The KAR425 TA offered greater efficacy than previously observed for any PG, providing 100% protection to malaria-infected mice until day 28 at doses of 25 and 50 mg/kg × 4 days, and was also curative in this model in a single oral dose (80 mg/kg). This study presents the first account of antimalarial activity in tambjamines.
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Affiliation(s)
- Papireddy Kancharla
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Jane Xu Kelly
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
- Department of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
| | - Kevin A. Reynolds
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
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28
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Domröse A, Klein AS, Hage-Hülsmann J, Thies S, Svensson V, Classen T, Pietruszka J, Jaeger KE, Drepper T, Loeschcke A. Efficient recombinant production of prodigiosin in Pseudomonas putida. Front Microbiol 2015; 6:972. [PMID: 26441905 PMCID: PMC4569968 DOI: 10.3389/fmicb.2015.00972] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Accepted: 09/01/2015] [Indexed: 11/24/2022] Open
Abstract
Serratia marcescens and several other bacteria produce the red-colored pigment prodigiosin which possesses bioactivities as an antimicrobial, anticancer, and immunosuppressive agent. Therefore, there is a great interest to produce this natural compound. Efforts aiming at its biotechnological production have so far largely focused on the original producer and opportunistic human pathogen S. marcescens. Here, we demonstrate efficient prodigiosin production in the heterologous host Pseudomonas putida. Random chromosomal integration of the 21 kb prodigiosin biosynthesis gene cluster of S. marcescens in P. putida KT2440 was employed to construct constitutive prodigiosin production strains. Standard cultivation parameters were optimized such that titers of 94 mg/L culture were obtained upon growth of P. putida at 20°C using rich medium under high aeration conditions. Subsequently, a novel, fast and effective protocol for prodigiosin extraction and purification was established enabling the straightforward isolation of prodigiosin from P. putida growth medium. In summary, we describe here a highly efficient method for the heterologous biosynthetic production of prodigiosin which may serve as a basis to produce large amounts of this bioactive natural compound and may provide a platform for further in-depth studies of prodiginine biosynthesis.
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Affiliation(s)
- Andreas Domröse
- Institute of Molecular Enzyme Technology, Heinrich Heine University Düsseldorf, Forschungszentrum Jülich GmbH Jülich, Germany
| | - Andreas S Klein
- Institute of Bioorganic Chemistry, Heinrich Heine University Düsseldorf, Forschungszentrum Jülich GmbH Jülich, Germany
| | - Jennifer Hage-Hülsmann
- Institute of Molecular Enzyme Technology, Heinrich Heine University Düsseldorf, Forschungszentrum Jülich GmbH Jülich, Germany
| | - Stephan Thies
- Institute of Molecular Enzyme Technology, Heinrich Heine University Düsseldorf, Forschungszentrum Jülich GmbH Jülich, Germany
| | - Vera Svensson
- Institute of Molecular Enzyme Technology, Heinrich Heine University Düsseldorf, Forschungszentrum Jülich GmbH Jülich, Germany
| | - Thomas Classen
- Institute of Bio- and Geosciences (IBG-1): Biotechnology, Forschungszentrum Jülich GmbH Jülich, Germany
| | - Jörg Pietruszka
- Institute of Bioorganic Chemistry, Heinrich Heine University Düsseldorf, Forschungszentrum Jülich GmbH Jülich, Germany ; Institute of Bio- and Geosciences (IBG-1): Biotechnology, Forschungszentrum Jülich GmbH Jülich, Germany
| | - Karl-Erich Jaeger
- Institute of Molecular Enzyme Technology, Heinrich Heine University Düsseldorf, Forschungszentrum Jülich GmbH Jülich, Germany ; Institute of Bio- and Geosciences (IBG-1): Biotechnology, Forschungszentrum Jülich GmbH Jülich, Germany
| | - Thomas Drepper
- Institute of Molecular Enzyme Technology, Heinrich Heine University Düsseldorf, Forschungszentrum Jülich GmbH Jülich, Germany
| | - Anita Loeschcke
- Institute of Molecular Enzyme Technology, Heinrich Heine University Düsseldorf, Forschungszentrum Jülich GmbH Jülich, Germany
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29
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Suzuki N, Ohtaguro N, Yoshida Y, Hirai M, Matsuo H, Yamada Y, Imamura N, Tsuchiya T. A Compound Inhibits Biofilm Formation of Staphylococcus aureus from Streptomyces. Biol Pharm Bull 2015; 38:889-92. [DOI: 10.1248/bpb.b15-00053] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Naomoto Suzuki
- College of Pharmaceutical Sciences, Ritsumeikan University
| | | | | | - Motoshi Hirai
- College of Pharmaceutical Sciences, Ritsumeikan University
| | | | - Yoichi Yamada
- College of Pharmaceutical Sciences, Ritsumeikan University
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30
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Nisha N, Kumar K, Kumar V. Prodigiosin alkaloids: recent advancements in total synthesis and their biological potential. RSC Adv 2015. [DOI: 10.1039/c4ra10296g] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The present review article is focused on the medicinal potential and total synthesis of prodigiosins witnessed in the last decade. The aim will be to provide an inspiration to the marvels and pit falls of constructing the polypyrrole heterocycles with in the complex systems.
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Affiliation(s)
- Nisha Nisha
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143005
- India
| | - Kewal Kumar
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143005
- India
| | - Vipan Kumar
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143005
- India
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31
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Traxler MF, Kolter R. Natural products in soil microbe interactions and evolution. Nat Prod Rep 2015; 32:956-70. [DOI: 10.1039/c5np00013k] [Citation(s) in RCA: 137] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Gram positive bacteria from the soil have historically been a deep source of useful natural products. This article considers how natural products may mediate microbial interactions in the soil environment.
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Affiliation(s)
- Matthew F. Traxler
- Dept. of Plant and Microbial Biology
- University of California at Berkeley
- Berkeley
- USA
| | - Roberto Kolter
- Dept. of Microbiology and Immunobiology
- Harvard Medical School
- Boston
- USA
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32
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Kancharla P, Lu W, Salem SM, Kelly JX, Reynolds KA. Stereospecific synthesis of 23-hydroxyundecylprodiginines and analogues and conversion to antimalarial premarineosins via a Rieske oxygenase catalyzed bicyclization. J Org Chem 2014; 79:11674-89. [PMID: 25380131 PMCID: PMC4260665 DOI: 10.1021/jo5023553] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Indexed: 12/11/2022]
Abstract
Facile and highly efficient synthetic routes for the synthesis of (S)- and (R)-23-hydroxyundecylprodiginines ((23S)-2, and (23R)-2), 23-ketoundecylprodiginine (3), and deuterium-labeled 23-hydroxyundecylprodiginine ([23-d]-2) have been developed. We demonstrated a novel Rieske oxygenase MarG catalyzed stereoselective bicyclization of (23S)-2 to premarineosin A (4), a key step in the tailoring process of the biosynthesis of marineosins, using a marG heterologous expression system. The synthesis of various A-C-ring functionalized prodiginines 32-41 was achieved to investigate the substrate promiscuity of MarG. The two analogues 32 and 33 exhibit antimalarial and cytotoxic activities stronger than those of the marineosin intermediate 2, against Plasmodium falciparum strains (CQ(S)-D6, CQ(R)-Dd2, and 7G8) and hepatocellular HepG2 cancer cell line, respectively. Feeding of 34-36 to Streptomyces venezuelae expressing marG led to production of novel premarineosins, paving a way for the production of marineosin analogues via a combinatorial synthetic/biosynthetic approach. This study presents the first example of oxidative bicyclization mediated by a Rieske oxygenase.
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Affiliation(s)
- Papireddy Kancharla
- Department
of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Wanli Lu
- Department
of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Shaimaa M. Salem
- Department
of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Jane Xu Kelly
- Department
of Chemistry, Portland State University, Portland, Oregon 97201, United States
- Department
of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
| | - Kevin A. Reynolds
- Department
of Chemistry, Portland State University, Portland, Oregon 97201, United States
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33
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Stankovic N, Senerovic L, Ilic-Tomic T, Vasiljevic B, Nikodinovic-Runic J. Properties and applications of undecylprodigiosin and other bacterial prodigiosins. Appl Microbiol Biotechnol 2014; 98:3841-58. [PMID: 24562326 DOI: 10.1007/s00253-014-5590-1] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Revised: 02/03/2014] [Accepted: 02/03/2014] [Indexed: 10/25/2022]
Abstract
The growing demand to fulfill the needs of present-day medicine in terms of novel effective molecules has lead to reexamining some of the old and known bacterial secondary metabolites. Bacterial prodigiosins (prodiginines) have a long history of being re markable multipurpose compounds, best examined for their anticancer and antimalarial activities. Production of prodigiosin in the most common producer strain Serratia marcescens has been described in great detail. However, few reports have discussed the ecophysiological roles of these molecules in the producing strains, as well as their antibiotic and UV-protective properties. This review describes recent advances in the production process, biosynthesis, properties, and applications of bacterial prodigiosins. Special emphasis is put on undecylprodigiosin which has generally been a less studied member of the prodigiosin family. In addition, it has been suggested that proteins involved in undecylprodigiosin synthesis, RedG and RedH, could be a useful addition to the biocatalytic toolbox being able to mediate regio- and stereoselective oxidative cyclization. Judging by the number of recent references (216 for the 2007-2013 period), it has become clear that undecylprodigiosin and other bacterial prodigiosins still hold surprises in terms of valuable properties and applicative potential to medical and other industrial fields and that they still deserve continuing research curiosity.
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Affiliation(s)
- Nada Stankovic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, P.O. Box 23, 11000, Belgrade, Serbia
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34
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Tanikawa T, Nakagawa Y, Matsuyama T. Transcriptional Downregulator HexS Controlling Prodigiosin and Serrawettin W1 Biosynthesis inSerratia marcescens. Microbiol Immunol 2013; 50:587-96. [PMID: 16924143 DOI: 10.1111/j.1348-0421.2006.tb03833.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Serratia marcescens has been known as a temperature-dependent producer of two chemically different exolipids (red pigment prodigiosin and biosurfactant serrawettin W1) in parallel. During genetic investigation of such control mechanisms, mini-Tn 5 insertional mutant Tan1 overproducing these exolipids was isolated. The gene concerning such disregulation was identified as hexS by DNA cloning followed by sequencing and homology analysis of the presumed product with 314 amino-acids. The product HexS was the homologue of HexA of Erwinia carotovora ssp. carotovora and classified as a transcriptional regulator belonging to LysR family. By RT-PCR analysis, the hexS mutant was shown to over-transcribe the pigA gene (the first gene of the pig cluster involved in prodigiosin synthesis) and the swrW gene encoding serrawettin W1 synthetase belonging to the nonribosomal peptide synthetase family. In contrast, transcription of the pswP gene encoding phosphopantetheinyl transferase in Tan1 was in the level of parent strain 274. Purified protein encoded in his(6)-hexS demonstrated binding activity to DNA fragments of the upstream region of pigA and swrW genes and not to that of the pswP gene. S. marcescens strain 274 transformed with a low-copy plasmid carrying hexS demonstrated reduced production of prodigiosin and serrawettin W1, and reduced activity of exoenzymes (protease, chitinase, and DNase) except phospholipase C. Possible generation of virulent S. marcescens by derepression or mutation of the hexS gene in infected tissues or ex vivo environments was suggested.
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Affiliation(s)
- Taichiro Tanikawa
- Department of Applied Biological Chemistry, Faculty of Agriculture, Niigata University, Niigata, Japan
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35
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Kancharla P, Reynolds KA. Synthesis of 2,2′-bipyrrole-5-carboxaldehydes and their application in the synthesis of B-ring functionalized prodiginines and tambjamines. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.07.067] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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36
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Influence of culture conditions and medium composition on the production of antibacterial compounds by marine Serratia sp. WPRA3. J Microbiol 2013; 51:373-9. [DOI: 10.1007/s12275-013-2440-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2012] [Accepted: 02/07/2013] [Indexed: 01/10/2023]
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37
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Statler VA, Smith ML, Fouch BB, Woods CR. A Pink Milk Bottle Mystery. J Pediatric Infect Dis Soc 2012; 1:347-50. [PMID: 26619429 DOI: 10.1093/jpids/pis102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Accepted: 10/05/2012] [Indexed: 11/12/2022]
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38
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Tang J, Yang C, Zhou L, Ma F, Liu S, Wei S, Zhou J, Zhou Y. Studies on the binding behavior of prodigiosin with bovine hemoglobin by multi-spectroscopic techniques. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 96:461-467. [PMID: 22728237 DOI: 10.1016/j.saa.2012.05.059] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Revised: 05/17/2012] [Accepted: 05/26/2012] [Indexed: 06/01/2023]
Abstract
In this article, the interaction mechanism of prodigiosin (PG) with bovine hemoglobin (BHb) is studied in detail using various spectroscopic technologies. UV-vis absorption and fluorescence spectra demonstrate the interaction process. The Stern-Volmer plot and the time-resolved fluorescence study suggest the quenching mechanism of fluorescence of BHb by PG is a static quenching procedure, and the hydrophobic interactions play a major role in binding of PG to BHb. Furthermore, synchronous fluorescence studies, Fourier transform infrared (FTIR) and circular dichroism (CD) spectra reveal that the conformation of BHb is changed after conjugation with PG.
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Affiliation(s)
- Jing Tang
- College of Chemistry and Materials Science, Analysis and Testing Center, Jiangsu Key Laboratory of Biofunctional Materials, Nanjing Normal University, Nanjing 210046, PR China
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39
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Borić M, Danevčič T, Stopar D. Prodigiosin from Vibrio sp. DSM 14379; a new UV-protective pigment. MICROBIAL ECOLOGY 2011; 62:528-36. [PMID: 21547449 DOI: 10.1007/s00248-011-9857-0] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2010] [Accepted: 04/08/2011] [Indexed: 05/04/2023]
Abstract
Pigments such as melanin, scytonemin and carotenoids protect microbial cells against the harmful effects of ultraviolet (UV) radiation. The role in UV protection has never been assigned to the prodigiosin pigment. In this work, we demonstrate that prodigiosin provides a significant level of protection against UV stress in Vibrio sp. DSM 14379. In the absence of pigment production, Vibrio sp. was significantly more susceptible to UV stress, and there was no difference in UV survival between the wild-type strain and non-pigmented mutant. The pigment's protective role was more important at higher doses of UV irradiation and correlated with pigment concentration in the cell. Pigmented cells survived high UV exposure (324 J/m(2)) around 1,000-fold more successfully compared to the non-pigmented mutant cells. Resistance to UV stress was conferred to the non-pigmented mutant by addition of exogenous pigment extract to the growth medium. A level of UV protection equivalent to that exhibited by the wild-type strain was attained by the non-pigmented mutant once the prodigiosin concentration had reached comparable levels to those found in the wild-type strain. In co-culture experiments, prodigiosin acted as a UV screen, protecting both the wild-type and non-pigmented mutants. Our results suggest a new ecophysiological role for prodigiosin.
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Affiliation(s)
- Maja Borić
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Večna pot 111, 1000 Ljubljana, Slovenia
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40
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Chang CC, Wang YH, Chern CM, Liou KT, Hou YC, Peng YT, Shen YC. Prodigiosin inhibits gp91(phox) and iNOS expression to protect mice against the oxidative/nitrosative brain injury induced by hypoxia-ischemia. Toxicol Appl Pharmacol 2011; 257:137-47. [PMID: 21925195 DOI: 10.1016/j.taap.2011.08.027] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2011] [Revised: 08/29/2011] [Accepted: 08/29/2011] [Indexed: 01/30/2023]
Abstract
This study aimed to explore the mechanisms by which prodigiosin protects against hypoxia-induced oxidative/nitrosative brain injury induced by middle cerebral artery occlusion/reperfusion (MCAo/r) injury in mice. Hypoxia in vitro was modeled using oxygen-glucose deprivation (OGD) followed by reoxygenation of BV-2 microglial cells. Our results showed that treatment of mice that have undergone MCAo/r injury with prodigiosin (10 and 100μg/kg, i.v.) at 1h after hypoxia ameliorated MCAo/r-induced oxidative/nitrosative stress, brain infarction, and neurological deficits in the mice, and enhanced their survival rate. MCAo/r induced a remarkable production in the mouse brains of reactive oxygen species (ROS) and a significant increase in protein nitrosylation; this primarily resulted from enhanced expression of NADPH oxidase 2 (gp91(phox)), inducible nitric oxide synthase (iNOS), and the infiltration of CD11b leukocytes due to breakdown of blood-brain barrier (BBB) by activation of nuclear factor-kappa B (NF-κB). All these changes were significantly diminished by prodigiosin. In BV-2 cells, OGD induced ROS and nitric oxide production by up-regulating gp91(phox) and iNOS via activation of the NF-κB pathway, and these changes were suppressed by prodigiosin. In conclusion, our results indicate that prodigiosin reduces gp91(phox) and iNOS expression possibly by impairing NF-κB activation. This compromises the activation of microglial and/or inflammatory cells, which then, in turn, mediates prodigiosin's protective effect in the MCAo/r mice.
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Affiliation(s)
- Chia-Che Chang
- Institute of Biomedical Sciences, National Chung-Hsing University, Taichung, Taiwan
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41
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Exceptional production of both prodigiosin and cycloprodigiosin as major metabolic constituents by a novel marine bacterium, Zooshikella rubidus S1-1. Appl Environ Microbiol 2011; 77:4967-73. [PMID: 21642414 DOI: 10.1128/aem.01986-10] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
A Gram-negative, red-pigment-producing marine bacterial strain, designated S1-1, was isolated from the tidal flat sediment of the Yellow Sea, Korea. On the basis of phenotypic, phylogenetic, and genetic data, strain S1-1 (KCTC 11448BP) represented a new species of the genus Zooshikella. Thus, we propose the name Zooshikella rubidus sp. nov. Liquid chromatography and mass spectrometry of the red pigments produced by strain S1-1 revealed that the major metabolic compounds were prodigiosin and cycloprodigiosin. In addition, this organism produced six minor prodigiosin analogues, including two new structures that were previously unknown. To our knowledge, this is the first description of a microorganism that simultaneously produces prodigiosin and cycloprodigiosin as two major metabolites. Both prodigiosin and cycloprodigiosin showed antimicrobial activity against several microbial species. These bacteria were approximately 1.5-fold more sensitive to cycloprodigiosin than to prodigiosin. The metabolites also showed anticancer activity against human melanoma cells, which showed significantly more sensitivity to prodigiosin than to cycloprodigiosin. The secondary metabolite profiles of strain S1-1 and two reference bacterial strains were compared by liquid chromatography-mass spectrometry. Multivariate statistical analyses based on secondary metabolite profiles by liquid chromatography-mass spectrometry indicated that the metabolite profile of strain S1-1 could clearly be distinguished from those of two phylogenetically related, prodigiosin-producing bacterial strains.
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42
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Kwon SW, Kim YK, Kim JY, Ryu HS, Lee HK, Kang JS, Kim HM, Hong JT, Kim YS, Han SB. Evaluation of Immunotoxicity of Shizukaol B Isolated from Chloranthus japonicus. Biomol Ther (Seoul) 2011. [DOI: 10.4062/biomolther.2011.19.1.059] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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43
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Kim JY, Kang JS, Kim HM, Ryu HS, Kim HS, Lee HK, Kim YJ, Hong JT, Kim Y, Han SB. Inhibition of bone marrow-derived dendritic cell maturation by glabridin. Int Immunopharmacol 2010; 10:1185-93. [PMID: 20633530 DOI: 10.1016/j.intimp.2010.06.025] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2010] [Revised: 06/23/2010] [Accepted: 06/24/2010] [Indexed: 12/24/2022]
Abstract
Glabridin has multiple pharmacological activities including anti-microbial, anti-atherosclerotic, anti-nephritic, anti-inflammatory and cardiovascular protective activities. In this study, we investigated the effect of glabridin on dendritic cells, which play an essential role in innate and adaptive immune responses. Glabridin inhibited lipopolysaccharide-, poly (I:C)-, or zymosan-induced phenotypic maturation of dendritic cells (DCs), as proven by the decreased expression of CD40, CD80, CD86, MHC-I, and MHC-II. Glabridin decreased the functional maturation of DCs, in that glabridin attenuated pro-inflammatory cytokine production of IL-12, IL-1β, TNF-α, and IFN-α/β, enhanced antigen capture capacity, inhibited migration to SDF-1α and MIP-3β, and impaired induction of allogenic T cell activation. We also showed that glabridin inhibited zymosan-induced inflammation in mice. As a mode of action, we showed that glabridin inhibited degradation of IκΒα/β, nuclear translocation of NF-κB p65/p50, and phosphorylation of ERK, JNK, and p38 MAPKs. Taken together, the present results show that glabridin inhibits dendritic cell maturation by blocking NF-κB and MAPK signalings.
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Affiliation(s)
- Jee Youn Kim
- College of Pharmacy and Medical Research Center (CICT), Chungbuk National University, 410 Seongbong, Heungduk, Cheongju, Chungbuk 361-763, Republic of Korea
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Identification of compounds with bioactivity against the nematode Caenorhabditis elegans by a screen based on the functional genomics of the marine bacterium Pseudoalteromonas tunicata D2. Appl Environ Microbiol 2010; 76:5710-7. [PMID: 20601498 DOI: 10.1128/aem.00695-10] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Marine bacteria are a rich, yet underexplored, resource of compounds with inhibitory bioactivity against a range of eukaryotic target organisms. Identification of those inhibitors, however, requires a culturable or genetically tractable producer strain, a prerequisite that is not often fulfilled. This study describes a novel functional genomic screen that is based on expression of inhibitors in a heterogeneous recombinant host (i.e., Escherichia coli). Functional libraries were screened by selective grazing by the nematode Caenorhabditis elegans, in a simple, rapid, high-throughput manner. We applied our approach to discover inhibitors of C. elegans produced by the marine bacterium Pseudoalteromonas tunicata D2, a model organism for exploring a range of antagonistic activities between bacteria and eukaryotes and a known producer of several toxic compounds. Expression of P. tunicata DNA in E. coli and grazing selection by the nematode Caenorhabditis elegans identified two clones, with slow- and fast-killing modes of action. Genomic analysis of the slow-killing clone revealed that the activity was due to a small molecule, tambjamine, while the fast-killing activity involved a gene encoding for a novel protein. Microscopic analysis showed substantial colonization of the intestinal lumen, or rapid death of the nematode without colonization, for the two activities, respectively. The novel functional genomic screen presented here therefore detects new eukaryotic inhibitors with different chemical structures, kinetics, and predicted modes of actions.
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Kim JY, Kang JS, Kim HM, Kim YK, Lee HK, Song S, Hong JT, Kim Y, Han SB. Inhibition of Phenotypic and Functional Maturation of Dendritic Cells by Manassantin A. J Pharmacol Sci 2009; 109:583-92. [DOI: 10.1254/jphs.08299fp] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Fehér D, Barlow RS, Lorenzo PS, Hemscheidt TK. A 2-substituted prodiginine, 2-(p-hydroxybenzyl)prodigiosin, from Pseudoalteromonas rubra. JOURNAL OF NATURAL PRODUCTS 2008; 71:1970-2. [PMID: 18922034 PMCID: PMC2891405 DOI: 10.1021/np800493p] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
In the course of work aimed at the discovery of new pharmaceutical lead compounds from marine bacteria, a lipophilic extract of the bacterium Pseudoalteromonas rubra displayed significant cytotoxicity against SKOV-3, a human ovarian adenocarcinoma cell line. Bioassay-directed fractionation of this extract resulted in the isolation of a series of known and new prodiginine-type azafulvenes. The structure of the major metabolite was elucidated by interpretation of spectroscopic data as a 2-substituted prodigiosin, which we named 2-(p-hydroxybenzyl)prodigiosin (HBPG).
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Affiliation(s)
- Domonkos Fehér
- Department of Chemistry, University of Hawaii at Manoa, 2545 McCarthy Mall, Honolulu, HI 96822 USA
| | - Russell S. Barlow
- Department of Chemistry, University of Hawaii at Manoa, 2545 McCarthy Mall, Honolulu, HI 96822 USA
- Cancer Research Center of Hawaii, 651 Ilalo Street, Honolulu, HI 96813
- Natural Products & Cancer Biology Program, 651 Ilalo Street, Honolulu, HI 96813
| | - Patricia S. Lorenzo
- Cancer Research Center of Hawaii, 651 Ilalo Street, Honolulu, HI 96813
- Natural Products & Cancer Biology Program, 651 Ilalo Street, Honolulu, HI 96813
| | - Thomas K. Hemscheidt
- Department of Chemistry, University of Hawaii at Manoa, 2545 McCarthy Mall, Honolulu, HI 96822 USA
- Natural Products & Cancer Biology Program, 651 Ilalo Street, Honolulu, HI 96813
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Williamson NR, Fineran PC, Gristwood T, Chawrai SR, Leeper FJ, Salmond GPC. Anticancer and immunosuppressive properties of bacterial prodiginines. Future Microbiol 2008; 2:605-18. [PMID: 18041902 DOI: 10.2217/17460913.2.6.605] [Citation(s) in RCA: 151] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Bacterial prodiginines are a family of red-pigmented, tripyrrolic compounds that display numerous biological activities, including antibacterial, antifungal, antiprotozoal, antimalarial, immunosuppressive and anticancer properties. Recently, significant progress has been made in understanding the biosynthesis and regulation of bacterial prodiginines. An understanding of the biosynthesis of prodiginines will allow engineering of bacterial strains capable of synthesizing novel prodiginines through rational design and mutasynthesis experiments. Bacterial prodiginines and synthetic derivatives are effective proapoptotic agents with multiple cellular targets, and they are active against numerous cancer cell lines, including multidrug-resistant cells, with little or no toxicity towards normal cell lines. A synthetic derivative, GX15-070 (Obatoclax), developed through structure-activity relationship studies of the pyrrolic ring A of GX15, is in multiple Phase I and II clinical trials in both single and dual-agent studies to treat different types of cancer. Therefore, prodiginines have real therapeutic potential in the clinic.
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Affiliation(s)
- Neil R Williamson
- University of Cambridge, Department of Biochemistry, Tennis Court Road, UK.
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Soto-Cerrato V, Viñals F, Lambert JR, Pérez-Tomás R. The anticancer agent prodigiosin induces p21WAF1/CIP1 expression via transforming growth factor-beta receptor pathway. Biochem Pharmacol 2007; 74:1340-9. [PMID: 17765876 DOI: 10.1016/j.bcp.2007.07.016] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2007] [Revised: 07/04/2007] [Accepted: 07/05/2007] [Indexed: 01/22/2023]
Abstract
The anticancer agent prodigiosin has been shown to act as an efficient immunosuppressant, eliciting cell cycle arrest at non-cytotoxic concentrations, and potent proapoptotic and antimetastatic effects at higher concentrations. Gene expression profiling of MCF-7 cells after treatment with a non-cytotoxic concentration of prodigiosin showed that expression of the p21WAF1/CIP1 gene, a negative cell cycle regulator was induced. In this study, we show that prodigiosin induces p21 expression leading to cell cycle blockade. Subsequently, we attempted to elucidate the molecular mechanisms involved in prodigiosin-mediated p21 gene expression. We demonstrate that prodigiosin induces p21 in a p53-independent manner as prodigiosin induced p21 in cells with both mutated and dominant negative p53. Conversely, the transforming growth factor-beta (TGF-beta) pathway has been found to be necessary for p21 induction. Prodigiosin-mediated p21 expression was blocked by SB431542, a TGF-beta receptor inhibitor. Nevertheless, this pathway alone is not enough to induce p21 expression. The TGF-beta family member (nonsteroidal anti-inflammatory drug)-activated gene 1/growth differentiation factor 15 (NAG-1) may activate this pathway, as it has previously been suggested to signal through the TGF-beta pathway and is overexpressed in response to prodigiosin treatment. We show that NAG-1 colocalizes with TGF-beta receptor type I, suggesting a possible interaction between them. Taken together, these results suggest the TGF-beta pathway is required for induction of p21 expression after prodigiosin treatment of MCF-7 cells.
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Affiliation(s)
- Vanessa Soto-Cerrato
- Department of Pathology and Experimental Therapeutics, Cancer Cell Biology Research Group, Universitat de Barcelona, and Laboratori de Recerca Translacional, ICO-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
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Kim D, Lee JS, Park YK, Kim JF, Jeong H, Oh TK, Kim BS, Lee CH. Biosynthesis of antibiotic prodiginines in the marine bacterium Hahella chejuensis KCTC 2396. J Appl Microbiol 2007; 102:937-44. [PMID: 17381736 DOI: 10.1111/j.1365-2672.2006.03172.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
AIMS Hahella chejuensis KCTC 2396 produces red pigments, showing antibacterial and algicidal activities. The main red-coloured metabolite of the pigments was identified as antibiotic prodigiosin. With the expectation that the red pigments are a mixture of a series of close relatives, the aim of the present study is to detect new antibiotic prodigiosin analogues and to analyse the biosynthetic pattern for prodiginines in KCTC 2396. METHODS AND RESULTS Except prodigiosin, the other constituents in the red pigments were confirmed as well-known dipyrrolyldipyrromethene prodigiosin, norprodigiosin, and undecylprodiginine. Additionally, four new prodigiosin analogues, each of which was distinguished from prodigiosin (C(5)), according to differences in alkyl chain length (C(3)-C(7)), were detected in small quantities by liquid chromatography mass spectrometry/mass spectrometry spectroscopy. Owing to the presence of a cytotoxic methoxy group, it is expected that all the new prodigiosin analogues are bioactive. CONCLUSIONS Four characterized prodiginines, including prodigiosin and four new prodigiosin analogues are produced in different ratio in KCTC 2396. All of the prodiginines possess a common linear tripyrrolyl structure and a cytotoxic methoxy group. SIGNIFICANCE AND IMPACT OF THE STUDY This study shows for the first time that KCTC 2396 is able to produce antibiotic prodigiosin, undecylprodiginine and new prodigiosin analogues in a mixture of pigments. It is also shown that KCTC 2396 possesses a novel system for the simultaneous production of multiple prodiginines in a single micro-organism.
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Affiliation(s)
- D Kim
- Korea Research Institute of Bioscience and Biotechnology, Daejeon 305-333, Korea
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Morohoshi T, Shiono T, Takidouchi K, Kato M, Kato N, Kato J, Ikeda T. Inhibition of quorum sensing in Serratia marcescens AS-1 by synthetic analogs of N-acylhomoserine lactone. Appl Environ Microbiol 2007; 73:6339-44. [PMID: 17675425 PMCID: PMC2075062 DOI: 10.1128/aem.00593-07] [Citation(s) in RCA: 98] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Quorum sensing is a regulatory system for controlling gene expression in response to increasing cell density. N-Acylhomoserine lactone (AHL) is produced by gram-negative bacteria, which use it as a quorum-sensing signal molecule. Serratia marcescens is a gram-negative opportunistic pathogen which is responsible for an increasing number of serious nosocomial infections. S. marcescens AS-1 produces N-hexanoyl homoserine lactone (C(6)-HSL) and N-(3-oxohexanoyl) homoserine lactone and regulates prodigiosin production, swarming motility, and biofilm formation by AHL-mediated quorum sensing. We synthesized a series of N-acyl cyclopentylamides with acyl chain lengths ranging from 4 to 12 and estimated their inhibitory effects on prodigiosin production in AS-1. One of these molecules, N-nonanoyl-cyclopentylamide (C(9)-CPA), had a strong inhibitory effect on prodigiosin production. C(9)-CPA also inhibited the swarming motility and biofilm formation of AS-1. A competition assay revealed that C(9)-CPA was able to inhibit quorum sensing at four times the concentration of exogenous C(6)-HSL and was more effective than the previously reported halogenated furanone. Our results demonstrated that C(9)-CPA was an effective quorum-sensing inhibitor for S. marcescens AS-1.
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Affiliation(s)
- Tomohiro Morohoshi
- Department of Applied Chemistry, Utsunomiya University, 7-1-2 Yoto, Utsunomiya 321-8585, Japan.
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