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Kačar D, Cañedo LM, Rodríguez P, Schleissner C, de la Calle F, García JL, Galán B. Tailoring modifications in labrenzin synthesis: a-la-carte production of pathway intermediates. Microb Biotechnol 2024; 17:e14355. [PMID: 37909860 PMCID: PMC10832518 DOI: 10.1111/1751-7915.14355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 09/21/2023] [Accepted: 09/26/2023] [Indexed: 11/03/2023] Open
Abstract
Pederin-family polyketides today constitute a group of more than 30 molecules being produced as natural products by different microorganisms across multitude of ecological niches. They are mostly known for their extreme cytotoxic activity and the decades of long exploration as potential antitumor drugs. The difference in their potency and biological activity lies in the tailoring modifications of the core molecule. Despite the isolation of many pederin-like molecules until the date, only marine bacterium Labrenzia sp. PHM005 was reported as a cultivable producer and able to be genetically modified. Here, we study the role of tailoring enzymes from the lab gene cluster responsible for methylation and hydroxylation of labrenzin core molecule. We managed to produce a spectrum of differently tailored labrenzin analogs for the development of future drugs. This work constitutes one-step forward in understanding the biosynthesis of pederin-family polyketides and provides the tools to modify and overproduce these anticancer drugs in a-la-carte manner in Labrenzia sp. PHM005, but also in other producers in the future.
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Affiliation(s)
- Dina Kačar
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas Margarita SalasAgencia Estatal Consejo Superior de Investigaciones Científicas (CSIC)MadridSpain
| | | | - Pilar Rodríguez
- Research and Development DepartmentPharmaMar S.A.MadridSpain
| | | | | | - José Luis García
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas Margarita SalasAgencia Estatal Consejo Superior de Investigaciones Científicas (CSIC)MadridSpain
| | - Beatriz Galán
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas Margarita SalasAgencia Estatal Consejo Superior de Investigaciones Científicas (CSIC)MadridSpain
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2
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Kačar D, Schleissner C, Cañedo LM, Rodríguez P, de la Calle F, Cuevas C, Galán B, García JL. In vivo production of pederin by labrenzin pathway expansion. Metab Eng Commun 2022; 14:e00198. [PMID: 35517715 PMCID: PMC9062313 DOI: 10.1016/j.mec.2022.e00198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/01/2022] [Accepted: 04/20/2022] [Indexed: 11/21/2022] Open
Abstract
Pederin is a potent polyketide toxin that causes severe skin lesions in humans after contact with insects of genus Paederus. Due to its potent anticancer activities, pederin family compounds have raised the interest of pharmaceutical industry. Despite the extensive studies on the cluster of biosynthetic genes responsible for the production of pederin, it has not yet been possible to isolate and cultivate its bacterial endosymbiont producer. However, the marine bacterium Labrenzia sp. PHM005 was recently reported to produce labrenzin, the closest pederin analog. By cloning a synthetic pedO gene encoding one of the three O-methyltraferase of the pederin cluster into Labrenzia sp. PHM005 we have been able to produce pederin for the first time by fermentation in the new recombinant strain.
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Affiliation(s)
- Dina Kačar
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas, Agencia Estatal Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | | | | | - Pilar Rodríguez
- Research and Development Department, PharmaMar S.A, Madrid, Spain
| | | | - Carmen Cuevas
- Research and Development Department, PharmaMar S.A, Madrid, Spain
| | - Beatriz Galán
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas, Agencia Estatal Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | - José Luis García
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas, Agencia Estatal Consejo Superior de Investigaciones Científicas, Madrid, Spain
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3
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Kačar D, Cañedo LM, Rodríguez P, González EG, Galán B, Schleissner C, Leopold-Messer S, Piel J, Cuevas C, de la Calle F, García JL. Identification of trans-AT polyketide clusters in two marine bacteria reveals cryptic similarities between distinct symbiosis factors. Environ Microbiol 2021; 23:2509-2521. [PMID: 33734547 DOI: 10.1111/1462-2920.15470] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/26/2021] [Accepted: 03/16/2021] [Indexed: 12/23/2022]
Abstract
Glutarimide-containing polyketides are known as potent antitumoral and antimetastatic agents. The associated gene clusters have only been identified in a few Streptomyces producers and Burkholderia gladioli symbiont. The new glutarimide-family polyketides, denominated sesbanimides D, E and F along with the previously known sesbanimide A and C, were isolated from two marine alphaproteobacteria Stappia indica PHM037 and Labrenzia aggregata PHM038. Structures of the isolated compounds were elucidated based on 1D and 2D homo and heteronuclear NMR analyses and ESI-MS spectrometry. All compounds exhibited strong antitumor activity in lung, breast and colorectal cancer cell lines. Subsequent whole genome sequencing and genome mining revealed the presence of the trans-AT PKS gene cluster responsible for the sesbanimide biosynthesis, described as sbn cluster. Strikingly, the modular architecture of downstream mixed type PKS/NRPS, SbnQ, revealed high similarity to PedH in pederin and Lab13 in labrenzin gene clusters, although those clusters are responsible for the production of structurally completely different molecules. The unexpected presence of SbnQ homologues in unrelated polyketide gene clusters across phylogenetically distant bacteria, raises intriguing questions about the evolutionary relationship between glutarimide-like and pederin-like pathways, as well as the functionality of their synthetic products.
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Affiliation(s)
- Dina Kačar
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas Margarita Salas, Agencia Estatal Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
| | - Librada M Cañedo
- Research and Development Department, PharmaMar S.A., Madrid, Spain
| | - Pilar Rodríguez
- Research and Development Department, PharmaMar S.A., Madrid, Spain
| | - Elena G González
- Research and Development Department, PharmaMar S.A., Madrid, Spain
| | - Beatriz Galán
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas Margarita Salas, Agencia Estatal Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
| | | | | | | | - Carmen Cuevas
- Research and Development Department, PharmaMar S.A., Madrid, Spain
| | | | - José L García
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas Margarita Salas, Agencia Estatal Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
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4
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Ortiz-Lemus JF, Campoy S, Cañedo LM, Liras P, Martín JF. Purification and Chemical Characterization of a Potent Acaricide and a Closely Related Inactive Metabolite Produced by Eurotium rubrum C47. Antibiotics (Basel) 2020; 9:antibiotics9120881. [PMID: 33316875 PMCID: PMC7763031 DOI: 10.3390/antibiotics9120881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/01/2020] [Accepted: 12/05/2020] [Indexed: 11/24/2022] Open
Abstract
Mites are arthropods and some of them infest dry meat cured products and produce allergic reactions. Some mites, such as Tyrolichus casei, Tyrophagus putrescentiae, or Tyrophagus longior feed on filamentous fungi that grow during the meat curing process. Removal of mite infestation of meat products is extremely difficult and there are no adequate miticidal compounds. The filamentous fungus Eurotium rubrum growing on the surface of ham is able to exert a biocontrol of the population of mites due to the production of miticidal compound(s). We have purified two compounds by silica gel chromatography, gel filtration, semipreparative and analytical HPLC and determined their miticidal activity against T. casei using a mite feeding assay. Mass spectrometry and NMR analysis showed that these two compounds are prenylated salicilyl aldehydes with a C-7 alkyl chain differing in a double bond in the C-7 alkyl chain. Structures correspond to those of flavoglaucin and aspergin. Pure flavoglaucin has a miticidal activity resulting in more than 90% mite mortality whereas aspergin does not affect the mites. Both compounds were formed simultaneously by E. rubrum C47 cultures in different media suggesting that they are synthesized by the same pathway. Production of both compounds was higher in solid culture media and the products were associated with abundant formation of cleistothecia. In liquid cultures both compounds remained mainly cell-associated and only about 10% of the total compounds was released to the culture broth. This miticidal compound may be used to combat efficiently mite infestation in different habitats. These results, will promote further advances on the utilization of flavoglaucin in food preservation and in human health since this compound has antitumor activity.
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Affiliation(s)
- José F. Ortiz-Lemus
- Instituto de Biotecnología de León (INBIOTEC), Parque Científico de León, Av. Real, 1, 24006 León, Spain; (J.F.O.-L.); (S.C.); (P.L.)
- Área de Microbiología, Departamento de Biología Molecular, Universidad de León, 24071 León, Spain
- Departamento de Microbiología, Universidad de Pamplona, Pamplona 543050, Colombia
| | - Sonia Campoy
- Instituto de Biotecnología de León (INBIOTEC), Parque Científico de León, Av. Real, 1, 24006 León, Spain; (J.F.O.-L.); (S.C.); (P.L.)
- Área de Microbiología, Departamento de Biología Molecular, Universidad de León, 24071 León, Spain
| | - Librada M. Cañedo
- Research and Development Department, PharmaMar S.A., 28770 Madrid, Spain;
| | - Paloma Liras
- Instituto de Biotecnología de León (INBIOTEC), Parque Científico de León, Av. Real, 1, 24006 León, Spain; (J.F.O.-L.); (S.C.); (P.L.)
- Área de Microbiología, Departamento de Biología Molecular, Universidad de León, 24071 León, Spain
| | - Juan F. Martín
- Instituto de Biotecnología de León (INBIOTEC), Parque Científico de León, Av. Real, 1, 24006 León, Spain; (J.F.O.-L.); (S.C.); (P.L.)
- Área de Microbiología, Departamento de Biología Molecular, Universidad de León, 24071 León, Spain
- Correspondence:
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5
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Kačar D, Schleissner C, Cañedo LM, Rodríguez P, de la Calle F, Galán B, García JL. Genome of Labrenzia sp. PHM005 Reveals a Complete and Active Trans-AT PKS Gene Cluster for the Biosynthesis of Labrenzin. Front Microbiol 2019; 10:2561. [PMID: 31787953 PMCID: PMC6855096 DOI: 10.3389/fmicb.2019.02561] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 10/23/2019] [Indexed: 11/28/2022] Open
Abstract
The complete genome of the strain Labrenzia sp. PHM005, a free-living producer of a pederin analog 18-O-demethyl pederin, hereinafter labrenzin, has been sequenced. This strain contains two replicons comprising a circular chromosome of 6,167,349 bp and a circular plasmid (named p1BIR) of 19,450 bp. A putative gene cluster responsible for the synthesis of labrenzin (lab cluster) has been identified showing that it encodes a trans-AT mixed type PKS/NRPS biosynthetic pathway that is responsible for the synthesis of pederin and possibly an onnamide analog. The putative boundaries of the lab gene cluster were determined by genetic comparisons with other related strains, suggesting that the cluster consists of a 79-kb region comprising 3 genes encoding multidomain hybrid polyketide synthase/non-ribosomal peptide synthetase (PKS/NRPS) proteins (PKS4, PKS/NRPS13, and PKS/NRPS15), and 16 auxiliary enzymes. Transcriptomic analyses suggest that all the genes of the cluster are expressed in our culture conditions (i.e., in minimal medium in the absence of any specific inducer) at detectable levels. We have developed genetic tools to facilitate the manipulation of this strain and the functional characterization of the cluster genes. We have created a site-directed mutant unable to produce pederin, demonstrating experimentally for the first time the role of the cluster in the synthesis of pederin. This work paves the way to unravel the clues of the biosynthesis of pederin family compounds and opens the door to modify and overproduce these anticancer drugs for industrial and pharmaceutical purposes.
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Affiliation(s)
- Dina Kačar
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas, Agencia Estatal Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | | | - Librada M Cañedo
- Research and Development Department, PharmaMar S.A., Madrid, Spain
| | - Pilar Rodríguez
- Research and Development Department, PharmaMar S.A., Madrid, Spain
| | | | - Beatriz Galán
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas, Agencia Estatal Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | - José Luis García
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas, Agencia Estatal Consejo Superior de Investigaciones Científicas, Madrid, Spain
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6
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Schleissner C, Cañedo LM, Rodríguez P, Crespo C, Zúñiga P, Peñalver A, de la Calle F, Cuevas C. Bacterial Production of a Pederin Analogue by a Free-Living Marine Alphaproteobacterium. J Nat Prod 2017; 80:2170-2173. [PMID: 28696720 DOI: 10.1021/acs.jnatprod.7b00408] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The polyketide pederin family are cytotoxic compounds isolated from insects, lichen, and marine sponges. During the past decade, different uncultivable bacteria symbionts have been proposed as the real producers of these compounds, such as those found in insects, lichen, and marine sponges, and their trans-AT polyketide synthase gene clusters have been identified. Herein we report the isolation and biological activities of a new analogue of the pederin family, compound 1, from the culture of a marine heterotrophic alphaproteobacterium, Labrenzia sp. PHM005. This is the first report of the production of a pederin-type compound by a free-living marine bacteria that could be cultured in the laboratory.
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Affiliation(s)
- Carmen Schleissner
- Research and Development Department, PharmaMar S.A. , Avenida de los Reyes, 1, Colmenar Viejo 28770, Madrid, Spain
| | - Librada M Cañedo
- Research and Development Department, PharmaMar S.A. , Avenida de los Reyes, 1, Colmenar Viejo 28770, Madrid, Spain
| | - Pilar Rodríguez
- Research and Development Department, PharmaMar S.A. , Avenida de los Reyes, 1, Colmenar Viejo 28770, Madrid, Spain
| | - Cristina Crespo
- Research and Development Department, PharmaMar S.A. , Avenida de los Reyes, 1, Colmenar Viejo 28770, Madrid, Spain
| | - Paz Zúñiga
- Research and Development Department, PharmaMar S.A. , Avenida de los Reyes, 1, Colmenar Viejo 28770, Madrid, Spain
| | - Ana Peñalver
- Research and Development Department, PharmaMar S.A. , Avenida de los Reyes, 1, Colmenar Viejo 28770, Madrid, Spain
| | - Fernando de la Calle
- Research and Development Department, PharmaMar S.A. , Avenida de los Reyes, 1, Colmenar Viejo 28770, Madrid, Spain
| | - Carmen Cuevas
- Research and Development Department, PharmaMar S.A. , Avenida de los Reyes, 1, Colmenar Viejo 28770, Madrid, Spain
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7
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Costa M, Zúñiga P, Peñalver AM, Thorsteinsdottir M, Pérez M, Cañedo LM, Cuevas C. New Fluvirucinins C 1 and C 2 Produced by a Marine Derived Actinomycete. Nat Prod Commun 2017. [DOI: 10.1177/1934578x1701200509] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Two new fluvirucin aglycones, named fluvirucinins C1 and C2 (1-2), have been isolated from the ethyl acetate mycelial cake extract of the fermentation broth of a marine sponge-associated actinomycete. Fluvirucinins C1 (1) and C2 (2) represent a new type of 14-membered macrolactam aglycon, structurally related with the common aglycon of the known fluvirucins. Their structures were elucidated on the basis of 1D and 2D NMR analyses, as well as HRESIMS experiments. The antimicrobial and cytotoxic activities of compounds 1 and 2 have been evaluated, but no significant activities found for fluvirucinins C1 and C2.
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Affiliation(s)
- Margarida Costa
- Faculty of Pharmaceutical Sciences, University of Iceland, Hofsvallagata 53, IS 107 Reykjavik, Iceland
| | - Paz Zúñiga
- Research & Development Department, PharmaMar S.A., Pol. Ind. La Mina Norte, Avda. de los Reyes 1, 28770 Colmenar Viejo (Madrid), Spain
| | - Ana M Peñalver
- Research & Development Department, PharmaMar S.A., Pol. Ind. La Mina Norte, Avda. de los Reyes 1, 28770 Colmenar Viejo (Madrid), Spain
| | - Margrét Thorsteinsdottir
- Faculty of Pharmaceutical Sciences, University of Iceland, Hofsvallagata 53, IS 107 Reykjavik, Iceland
| | - Marta Pérez
- Research & Development Department, PharmaMar S.A., Pol. Ind. La Mina Norte, Avda. de los Reyes 1, 28770 Colmenar Viejo (Madrid), Spain
| | - Librada M Cañedo
- Research & Development Department, PharmaMar S.A., Pol. Ind. La Mina Norte, Avda. de los Reyes 1, 28770 Colmenar Viejo (Madrid), Spain
| | - Carmen Cuevas
- Research & Development Department, PharmaMar S.A., Pol. Ind. La Mina Norte, Avda. de los Reyes 1, 28770 Colmenar Viejo (Madrid), Spain
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8
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Costa M, Zúñiga P, Peñalver AM, Thorsteinsdottir M, Pérez M, Cañedo LM, Cuevas C. New Fluvirucinins C1 and C2 Produced by a Marine Derived Actinomycete. Nat Prod Commun 2017; 12:679-682. [PMID: 30496674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023] Open
Abstract
Two new fluvirucin aglycones, named fluvirucinins C, and C2 (1-2), have been isolated from the ethyl acetate mycelial cake extract of the fermentation broth of.a marine sponge-associated actinomycete. Fluvirucinins C, (1) and C2 (2) represent a new type of 14-membered macrolactam aglycon, structurally related with the common aglycon of the known fluvirucins. Their structures were elucidated on the basis of ID and 2D NMR analyses, as well as HRESIMS experiments. The antimicrobial and cytotoxic activities of compounds 1 and 2 have been evaluated, but no significant activities found for fluvirucinins C, and C2.
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9
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Just-Baringo X, Bruno P, Ottesen LK, Cañedo LM, Albericio F, Álvarez M. Total Synthesis and Stereochemical Assignment of Baringolin. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302372] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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10
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Just-Baringo X, Bruno P, Ottesen LK, Cañedo LM, Albericio F, Álvarez M. Total Synthesis and Stereochemical Assignment of Baringolin. Angew Chem Int Ed Engl 2013; 52:7818-21. [DOI: 10.1002/anie.201302372] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Indexed: 11/10/2022]
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11
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Arias S, Sandoval A, Arcos M, Cañedo LM, Maestro B, Sanz JM, Naharro G, Luengo JM. Poly-3-hydroxyalkanoate synthases from Pseudomonas putida U: substrate specificity and ultrastructural studies. Microb Biotechnol 2011; 1:170-6. [PMID: 21261834 PMCID: PMC3864450 DOI: 10.1111/j.1751-7915.2007.00016.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
The substrate specificity of the two polymerases (PhaC1 and PhaC2) involved in the biosynthesis of medium-chain-length poly-hydroxyalkanoates (mcl PHAs) in Pseudomonas putida U has been studied in vivo. For these kind of experiments, two recombinant strains derived from a genetically engineered mutant in which the whole pha locus had been deleted (P. putida U Δpha) were employed. These bacteria, which expresses only phaC1 (P. putida U Δpha pMC-phaC1) or only phaC2 (P. putida U Δpha pMC-phaC2), accumulated different PHAs in function of the precursor supplemented to the culture broth. Thus, the P. putida U Δpha pMC-phaC1 strain was able to synthesize several aliphatic and aromatic PHAs when hexanoic, heptanoic, octanoic decanoic, 5-phenylvaleric, 6-phenylhexanoic, 7-phenylheptanoic, 8-phenyloctanoic or 9-phenylnonanoic acid were used as precursors; the highest accumulation of polymers was observed when the precursor used were decanoic acid (aliphatic PHAs) or 6-phenylhexanoic acid (aromatic PHAs). However, although it synthesizes similar aliphatic PHAs (the highest accumulation was observed when hexanoic acid was the precursor) the other recombinant strain (P. putida U Δpha pMC-phaC2) only accumulated aromatic PHAs when the monomer to be polymerized was 3-hydroxy-5-phenylvaleryl-CoA. The possible influence of the putative three-dimensional structures on the different catalytic behaviour of PhaC1 and PhaC2 is discussed.
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Affiliation(s)
- Sagrario Arias
- Departamento de Biología Molecular, Facultades de Veterinaria y de Biología, Universidad de León, 24071 León, España
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12
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Affiliation(s)
- Adriana Lorente
- Institute for Research in Biomedicine, Barcelona Science Park, University of Barcelona, Baldiri Reixac 10, E-08028 Barcelona, Spain
| | - Daniel Pla
- Institute for Research in Biomedicine, Barcelona Science Park, University of Barcelona, Baldiri Reixac 10, E-08028 Barcelona, Spain
| | - Librada M. Cañedo
- Instituto Biomar, S.A. Parque Tecnológico de León-M10.4, E-24009 Armunia, León, Spain
| | - Fernando Albericio
- Institute for Research in Biomedicine, Barcelona Science Park, University of Barcelona, Baldiri Reixac 10, E-08028 Barcelona, Spain
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona Science Park, Baldiri Reixac 10, 08028 Barcelona, Spain
- Department of Organic Chemistry, University of Barcelona, 08028 Barcelona, Spain
| | - Mercedes Álvarez
- Institute for Research in Biomedicine, Barcelona Science Park, University of Barcelona, Baldiri Reixac 10, E-08028 Barcelona, Spain
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona Science Park, Baldiri Reixac 10, 08028 Barcelona, Spain
- Laboratory of Organic Chemistry, Faculty of Pharmacy, University of Barcelona, 08028 Barcelona, Spain
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13
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Abstract
A suitable combination of synthetic design, orthogonal protecting groups and coupling reagents was used to complete the first known synthesis of the natural marine cyclodepsipeptide IB-01212. The cyclic, symmetric octapeptide contains two of each of the following residues: L-N,N-Me2Leu, L-Ser, L-N-MeLeu and L-N-MePhe. IB-01212 also features two symmetric ester bonds between the hydroxyl group of Ser and the carboxyl function of the N-MePhe. Total solid-phase syntheses of the product was performed in parallel via three distinct routes: dimerization of heterodetic fragments, linear synthesis, and convergent synthesis. The convergent strategy gave the best results in terms of product yield and purity and is particularly suitable for the large-scale synthesis of IB-01212 and similar peptides.
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Affiliation(s)
- Luis J Cruz
- Barcelona Biomedical Research Institute, Barcelona Science Park, University of Barcelona, 08028-Barcelona, Spain
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14
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Cruz LJ, Insua MM, Baz JP, Trujillo M, Rodriguez-Mias RA, Oliveira E, Giralt E, Albericio F, Cañedo LM. IB-01212, a new cytotoxic cyclodepsipeptide isolated from the marine fungus Clonostachys sp. ESNA-A009. J Org Chem 2007; 71:3335-8. [PMID: 16626111 DOI: 10.1021/jo051600p] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
IB-01212, a new cytotoxic cyclodepsipeptide featuring C2 symmetry, was isolated from the mycelium extract of Clonostachys sp. ESNA-A009. The amino acid sequence of the compound was determined by spectroscopy techniques. The absolute configuration of the amino acids was determined by a combination of the Marfey and menthol methods. The structure, which was confirmed by comparison of the analytical data for the natural product with a sample obtained by solid-phase peptide synthesis, was revealed to be a cyclic dimer formed by two chains of L-N,N-Me2Leu-L-Ser-L-N-MeLeu-L-N-MePhe bound by the two esters formed between the carboxylic acid of the L-N-MePhe and the hydroxyl function of the L-Ser. IB-01212 is highly cytotoxic to different tumor cell lines.
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Affiliation(s)
- Luis J Cruz
- Barcelona Biomedical Research Institute, Barcelona Science Park, University of Barcelona, 08028-Barcelona, Spain
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15
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Hernández D, Vilar G, Riego E, Cañedo LM, Cuevas C, Albericio F, Alvarez M. Synthesis of IB-01211, a Cyclic Peptide Containing 2,4-Concatenated Thia- and Oxazoles, via Hantzsch Macrocyclization. Org Lett 2007; 9:809-11. [PMID: 17266322 DOI: 10.1021/ol063023c] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
[structure: see text] An efficient and versatile convergent synthesis of IB-01211 based on a combination of peptide and heterocyclic chemistry is described. The key step in the synthesis is macrocyclization through intramolecular Hantzsch formation of the thiazole ring. Dehydration of a free primary alcohol to furnish the exocyclic methylidene present in the natural product was applied during the macrocyclization.
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Affiliation(s)
- Delia Hernández
- Barcelona Science Park Josep Samitier 1-5, E-08028 Barcelona, Spain
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Rodríguez JC, Fernández Puentes JL, Baz JP, Cañedo LM. IB-00208, a new cytotoxic polycyclic xanthone produced by a marine-derived Actinomadura. II. Isolation, physico-chemical properties and structure determination. J Antibiot (Tokyo) 2003; 56:318-21. [PMID: 12760690 DOI: 10.7164/antibiotics.56.318] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Castro Rodríguez J, González Holgado G, Santamaría Sánchez RI, Cañedo LM. Radamycin, a novel thiopeptide produced by streptomyces sp. RSP9. II. Physico-chemical properties and structure determination. J Antibiot (Tokyo) 2002; 55:391-5. [PMID: 12061547 DOI: 10.7164/antibiotics.55.391] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The new cyclic peptide antibiotic, radamycin (1) and the known thiopeptide methylsulfomycin I (2) have been isolated from the fermentation broth of a Streptomyces sp. RSP9. The structure of radamycin was elucidated by NMR, LC-MS and FAB-MS and was established as a thiopeptide with oxazole and thiazole moieties, and several unusual amino acids.
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Affiliation(s)
- L M Cañedo
- Departamento de Investigación, Antibióticos S.A., León, Spain
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Cañedo LM, Fernández-Puentes JL, Baz JP. IB-96212, a novel cytotoxic macrolide produced by a marine Micromonospora. II. Physico-chemical properties and structure determination. J Antibiot (Tokyo) 2000; 53:479-83. [PMID: 10908111 DOI: 10.7164/antibiotics.53.479] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
IB-96212, is a new member of spiroketal containing macrolide class of fermentation-derived natural products isolated from mycelial extracts of Micromonospora sp. The structure consists of a new aglycone which possesses a 26-membered macrolide ring system and of one deoxy sugar identified as L-rhodinose, this structure represents the first reported spiroketal macrolide natural product related to other macrolides, such as oligomycins, dunaimycins, citovaricin, rutamycin and ossamycin.
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Affiliation(s)
- L M Cañedo
- Drug Discovery Division, Instituto Biomar SA, León, Spain
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Acebal C, Cañedo LM, Puentes JL, Baz JP, Romero F, de la Calle F, Grávalos MD, Rodriguez P. Agrochelin, a new cytotoxic antibiotic from a marine Agrobacterium. Taxonomy, fermentation, isolation, physico-chemical properties and biological activity. J Antibiot (Tokyo) 1999; 52:983-7. [PMID: 10656570 DOI: 10.7164/antibiotics.52.983] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Agrochelin, a new alkaloid cytotoxic substance, was produced by the fermentation of Agrobacterium sp. The compound was obtained from the bacterial cells by solvent extraction and purified by silica gel chromatography. Agrochelin (1) and its acetyl derivative (2) exhibited cytotoxic activity.
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Affiliation(s)
- C Acebal
- Instituto Biomar S.A. Pol. Ind. de Leon. Edif. CEI, Onzonilla, León, Spain
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García B, Olivera ER, Miñambres B, Fernández-Valverde M, Cañedo LM, Prieto MA, García JL, Martínez M, Luengo JM. Novel biodegradable aromatic plastics from a bacterial source. Genetic and biochemical studies on a route of the phenylacetyl-coa catabolon. J Biol Chem 1999; 274:29228-41. [PMID: 10506180 DOI: 10.1074/jbc.274.41.29228] [Citation(s) in RCA: 105] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Novel biodegradable bacterial plastics, made up of units of 3-hydroxy-n-phenylalkanoic acids, are accumulated intracellularly by Pseudomonas putida U due to the existence in this bacterium of (i) an acyl-CoA synthetase (encoded by the fadD gene) that activates the aryl-precursors; (ii) a beta-oxidation pathway that affords 3-OH-aryl-CoAs, and (iii) a polymerization-depolymerization system (encoded in the pha locus) integrated by two polymerases (PhaC1 and PhaC2) and a depolymerase (PhaZ). The complete assimilation of these compounds requires two additional routes that specifically catabolize the phenylacetyl-CoA or the benzoyl-CoA generated from these polyesters through beta-oxidation. Genetic studies have allowed the cloning, sequencing, and disruption of the genes included in the pha locus (phaC1, phaC2, and phaZ) as well as those related to the biosynthesis of precursors (fadD) or to the catabolism of their derivatives (acuA, fadA, and paa genes). Additional experiments showed that the blockade of either fadD or phaC1 hindered the synthesis and accumulation of plastic polymers. Disruption of phaC2 reduced the quantity of stored polymers by two-thirds. The blockade of phaZ hampered the mobilization of the polymer and decreased its production. Mutations in the paa genes, encoding the phenylacetic acid catabolic enzymes, did not affect the synthesis or catabolism of polymers containing either 3-hydroxyaliphatic acids or 3-hydroxy-n-phenylalkanoic acids with an odd number of carbon atoms as monomers, whereas the production of polyesters containing units of 3-hydroxy-n-phenylalkanoic acids with an even number of carbon atoms was greatly reduced in these bacteria. Yield-improving studies revealed that mutants defective in the glyoxylic acid cycle (isocitrate lyase(-)) or in the beta-oxidation pathway (fadA), stored a higher amount of plastic polymers (1.4- and 2-fold, respectively), suggesting that genetic manipulation of these pathways could be useful for isolating overproducer strains. The analysis of the organization and function of the pha locus and its relationship with the core of the phenylacetyl-CoA catabolon is reported and discussed.
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Affiliation(s)
- B García
- Departamento de Bioquímica y Biología Molecular, Facultades de Biología y Veterinaria, Campus de Vegazana s/n, Universidad de León, 24007 León, España
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Cañedo LM, de la Fuente JA, Gesto C, Ferreiro MJ, Jiménez C, Riguera R. Agrochelin, a new cytotoxic alkaloid from the marine bacteria Agrobacterium sp. Tetrahedron Lett 1999. [DOI: 10.1016/s0040-4039(99)01377-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Acebal C, Alcazar R, Cañedo LM, de la Calle F, Rodriguez P, Romero F, Fernandez Puentes JL. Two marine Agrobacterium producers of sesbanimide antibiotics. J Antibiot (Tokyo) 1998; 51:64-7. [PMID: 9580130 DOI: 10.7164/antibiotics.51.64] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Sesbanimides are cytotoxic compounds, originally isolated in 1983 from seeds of the leguminous plants Sesbania drummondii and Sesbania punicea. In this paper we describe the bacterial production of sesbanimides by two "marine Agrobacterium"; strain PH-103 which produces Sesbanimide-A and strain PH-A034C which produces Sesbanimide-C. The isolation and taxonomy of the producing microorganisms, fermentation and isolation of sesbanimides are reported.
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Affiliation(s)
- C Acebal
- Instituto Biomar, S.A., León, Spain
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Perez Baz J, Cañedo LM, Fernández Puentes JL, Silva Elipe MV. Thiocoraline, a novel depsipeptide with antitumor activity produced by a marine Micromonospora. II. Physico-chemical properties and structure determination. J Antibiot (Tokyo) 1997; 50:738-41. [PMID: 9360618 DOI: 10.7164/antibiotics.50.738] [Citation(s) in RCA: 96] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Thiocoraline (1) is a new antitumor antibiotic isolated from the mycelium of Micromonospora sp. L-13-ACM2-092. Its structure was elucidated to be a novel cyclic thiodepsipeptide on the basis of spectroscopic methods.
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Affiliation(s)
- J Perez Baz
- Drug Discovery Division, PharmaMar S.A., Spain
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Cañedo LM, Fernández Puentes JL, Pérez Baz J, Acebal C, de la Calle F, García Grávalos D, García de Quesada T. PM-94128, a new isocoumarin antitumor agent produced by a marine bacterium. J Antibiot (Tokyo) 1997; 50:175-6. [PMID: 9099230 DOI: 10.7164/antibiotics.50.175] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- L M Cañedo
- Pharma Mar S.A. Research laboratory, León, Spain
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