Potential chemical defenses of Antarctic benthic organisms against marine bacteria

The continental shelf of Antarctica harbours rich suspension-feeding macroinvertebrate communities that are continuously exposed to large populations of free-living microbes. To avoid settlement or fouling by undesirable microorganisms that could cause infection or collapse filter-feeding systems, t...

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Detalles Bibliográficos
Autores: Sacristán Soriano, Oriol, Angulo Preckler, Carlos, Vázquez, Jennifer, Ávila Escartín, Conxita
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2017
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/121009
Acceso en línea:https://hdl.handle.net/2445/121009
Access Level:acceso abierto
Palabra clave:Ecologia microbiana
Simbiosi
Microbial ecology
Symbiosis
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spelling Potential chemical defenses of Antarctic benthic organisms against marine bacteriaSacristán Soriano, OriolAngulo Preckler, CarlosVázquez, JenniferÁvila Escartín, ConxitaEcologia microbianaSimbiosiMicrobial ecologySymbiosisThe continental shelf of Antarctica harbours rich suspension-feeding macroinvertebrate communities that are continuously exposed to large populations of free-living microbes. To avoid settlement or fouling by undesirable microorganisms that could cause infection or collapse filter-feeding systems, these macroinvertebrates might regulate the epibiotic microbial mat through chemical interactions. In Antarctic chemical ecology, the antibacterial roles of natural products remain mostly unknown. A necessary first step is to identify organisms that produce compounds with potential ecological relevance. For that reason, we tested the crude organic extracts of 116 taxa of Antarctic benthic organisms for antibacterial activity against a panel of seven strains of marine bacteria. Nine out of 11 phyla tested had antibacterial properties. However, inhibitory activity was quite selective and species-specific. These patterns suggest that Antarctic benthic organisms may produce diverse bioactive metabolites with different antibacterial activities or, alternatively, those contrasting profiles may be shaped by environmental and biological interactions acting at a small spatial scale. The reasons of such selectivity remain to be further investigated and may contribute to the identification of bioactive compounds with pharmaceutical applications.Co-Action Publishing2017info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/121009Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció del document publicat a: https://doi.org/10.1080/17518369.2017.1390385Polar Research, 2017, vol. 36, num. 1https://doi.org/10.1080/17518369.2017.1390385cc-by-nc (c) Sacristán Soriano, Oriol et al., 2017http://creativecommons.org/licenses/by-nc/3.0/esinfo:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/1210092026-05-27T06:46:51Z
dc.title.none.fl_str_mv Potential chemical defenses of Antarctic benthic organisms against marine bacteria
title Potential chemical defenses of Antarctic benthic organisms against marine bacteria
spellingShingle Potential chemical defenses of Antarctic benthic organisms against marine bacteria
Sacristán Soriano, Oriol
Ecologia microbiana
Simbiosi
Microbial ecology
Symbiosis
title_short Potential chemical defenses of Antarctic benthic organisms against marine bacteria
title_full Potential chemical defenses of Antarctic benthic organisms against marine bacteria
title_fullStr Potential chemical defenses of Antarctic benthic organisms against marine bacteria
title_full_unstemmed Potential chemical defenses of Antarctic benthic organisms against marine bacteria
title_sort Potential chemical defenses of Antarctic benthic organisms against marine bacteria
dc.creator.none.fl_str_mv Sacristán Soriano, Oriol
Angulo Preckler, Carlos
Vázquez, Jennifer
Ávila Escartín, Conxita
author Sacristán Soriano, Oriol
author_facet Sacristán Soriano, Oriol
Angulo Preckler, Carlos
Vázquez, Jennifer
Ávila Escartín, Conxita
author_role author
author2 Angulo Preckler, Carlos
Vázquez, Jennifer
Ávila Escartín, Conxita
author2_role author
author
author
dc.subject.none.fl_str_mv Ecologia microbiana
Simbiosi
Microbial ecology
Symbiosis
topic Ecologia microbiana
Simbiosi
Microbial ecology
Symbiosis
description The continental shelf of Antarctica harbours rich suspension-feeding macroinvertebrate communities that are continuously exposed to large populations of free-living microbes. To avoid settlement or fouling by undesirable microorganisms that could cause infection or collapse filter-feeding systems, these macroinvertebrates might regulate the epibiotic microbial mat through chemical interactions. In Antarctic chemical ecology, the antibacterial roles of natural products remain mostly unknown. A necessary first step is to identify organisms that produce compounds with potential ecological relevance. For that reason, we tested the crude organic extracts of 116 taxa of Antarctic benthic organisms for antibacterial activity against a panel of seven strains of marine bacteria. Nine out of 11 phyla tested had antibacterial properties. However, inhibitory activity was quite selective and species-specific. These patterns suggest that Antarctic benthic organisms may produce diverse bioactive metabolites with different antibacterial activities or, alternatively, those contrasting profiles may be shaped by environmental and biological interactions acting at a small spatial scale. The reasons of such selectivity remain to be further investigated and may contribute to the identification of bioactive compounds with pharmaceutical applications.
publishDate 2017
dc.date.none.fl_str_mv 2017
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/121009
url https://hdl.handle.net/2445/121009
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/10.1080/17518369.2017.1390385
Polar Research, 2017, vol. 36, num. 1
https://doi.org/10.1080/17518369.2017.1390385
dc.rights.none.fl_str_mv cc-by-nc (c) Sacristán Soriano, Oriol et al., 2017
http://creativecommons.org/licenses/by-nc/3.0/es
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc (c) Sacristán Soriano, Oriol et al., 2017
http://creativecommons.org/licenses/by-nc/3.0/es
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Co-Action Publishing
publisher.none.fl_str_mv Co-Action Publishing
dc.source.none.fl_str_mv Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,301603

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