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dc.contributor.authorSantos, J.D.-
dc.contributor.authorVitorino, I.-
dc.contributor.authorDe La Cruz, M.-
dc.contributor.authorDíaz, C.-
dc.contributor.authorCautain, B.-
dc.contributor.authorAnnang, F.-
dc.contributor.authorPérez-Moreno, Guiomar-
dc.contributor.authorMartinez, I.G.-
dc.contributor.authorTormo, J.R.-
dc.contributor.authorMartín, J.M.-
dc.contributor.authorUrbatzka, R.-
dc.contributor.authorVicente, F.M.-
dc.contributor.authorLage, O.M.-
dc.date.accessioned2020-06-05T15:02:12Z-
dc.date.available2020-06-05T15:02:12Z-
dc.date.issued2019-
dc.identifierdoi: 10.3389/fmicb.2019.00727-
dc.identifiere-issn: 1664-302X-
dc.identifier.citationFrontiers in Microbiology 10 (2019)-
dc.identifier.urihttp://hdl.handle.net/10261/213589-
dc.description.abstractIn the beginning of the twenty-first century, humanity faces great challenges regarding diseases and health-related quality of life. A drastic rise in bacterial antibiotic resistance, in the number of cancer patients, in the obesity epidemics and in chronic diseases due to life expectation extension are some of these challenges. The discovery of novel therapeutics is fundamental and it may come from underexplored environments, like marine habitats, and microbial origin. Actinobacteria are well-known as treasure chests for the discovery of novel natural compounds. In this study, eighteen Actinomycetales isolated from marine sponges of three Erylus genera collected in Portuguese waters were tested for bioactivities with the main goal of isolating and characterizing the responsible bioactive metabolites. The screening comprehended antimicrobial, anti-fungal, anti-parasitic, anti-cancer and anti-obesity properties. Fermentations of the selected strains were prepared using ten different culturing media. Several bioactivities against the fungus Aspergillus fumigatus, the bacteria Staphylococcus aureus methicillin-resistant (MRSA) and the human liver cancer cell line HepG2 were obtained in small volume cultures. Screening in higher volumes showed consistent anti-fungal activity by strain Dermacoccus sp. #91-17 and Micrococcus luteus Berg02-26. Gordonia sp. Berg02-22.2 showed anti-parasitic (Trypanosoma cruzi) and anti-cancer activity against several cell lines (melanoma A2058, liver HepG2, colon HT29, breast MCF7 and pancreatic MiaPaca). For the anti-obesity assay, Microbacterium foliorum #91-29 and #91-40 induced lipid reduction on the larvae of zebrafish (Danio rerio). Dereplication of the extracts from several bacteria showed the existence of a variety of secondary metabolites, with some undiscovered molecules. This work showed that Actinomycetales are indeed good candidates for drug discovery.-
dc.description.sponsorshipThis research was partially supported by the Strategic Funding UID/Multi/04423/2013 through national funds provided by FCT – Foundation for Science and Technology and European Regional Development Fund (ERDF), in the framework of the programme PT2020, the EU H2020-TWINN-2015, BLUEandGREEN – Boosting scientific excellence and innovation capacity in biorefineries based on marine resources (Project No. 692419) and the European ERA-NET Marine Biotechnology project CYANOBESITY (ERA-MBT/0001/2015), financed by national funds through FCT (Foundation for Science and Technology, Portugal). Ralph Urbatzka was supported by a FCT postdoc grant (SFRH/BPD/112287/2015). The MEDINA authors disclosed the receipt of financial support from Fundación MEDINA, a public–private partnership of Merck Sharp & Dohme de España S.A./Universidad de Granada/Junta de Andalucía. Moreover, some of the equipment used in this work was supported by the Ministerio de Ciencia e Innovación and the European Union (Grant INP-2011-0016-PCT-010000-ACT6).-
dc.languageeng-
dc.publisherFrontiers Media-
dc.relation.isversionofPublisher's version-
dc.subjectActinomycetales, antimicrobials, anti-cancer, anti-parasitic, anti-obesogenic, marine sponges-
dc.titleBioactivities and extract dereplication of actinomycetales isolated from marine sponges-
dc.typeartículo-
dc.relation.publisherversionhttp://dx.doi.org/10.3389/fmicb.2019.00727-
dc.date.updated2020-06-05T15:02:12Z-
dc.rights.holderopenAccess-
dc.rights.holderopenAccess-
dc.rights.licensehttps://www.frontiersin.org/about/author-guidelines-
dc.contributor.funderEuropean Commission-
dc.contributor.funderFundação para a Ciência e a Tecnologia (Portugal)-
dc.contributor.funderFundación MEDINA-
dc.contributor.funderJunta de Andalucía-
dc.contributor.funderUniversidad de Granada-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100001871es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100009153es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100006393es_ES
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