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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Norwegian Polar Institute
2017
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ftdoajarticles:oai:doaj.org/article:59de9cb128e1469cb8939444e6f7a8aa 2023-05-15T13:42:04+02:00 Potential chemical defenses of Antarctic benthic organisms against marine bacteria Oriol Sacristán-Soriano Carlos Angulo-Preckler Jennifer Vázquez Conxita Avila 2017-01-01T00:00:00Z https://doi.org/10.1080/17518369.2017.1390385 https://doaj.org/article/59de9cb128e1469cb8939444e6f7a8aa EN eng Norwegian Polar Institute http://dx.doi.org/10.1080/17518369.2017.1390385 https://doaj.org/toc/1751-8369 1751-8369 doi:10.1080/17518369.2017.1390385 https://doaj.org/article/59de9cb128e1469cb8939444e6f7a8aa Polar Research, Vol 36, Iss 1 (2017) Antibacterial activity natural products symbiosis host–symbiont interactions microbial ecology Environmental sciences GE1-350 Oceanography GC1-1581 article 2017 ftdoajarticles https://doi.org/10.1080/17518369.2017.1390385 2022-12-31T13:12:22Z 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. Article in Journal/Newspaper Antarc* Antarctic Antarctica Polar Research Directory of Open Access Journals: DOAJ Articles Antarctic Polar Research 36 1 1390385 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Antibacterial activity natural products symbiosis host–symbiont interactions microbial ecology Environmental sciences GE1-350 Oceanography GC1-1581 |
spellingShingle |
Antibacterial activity natural products symbiosis host–symbiont interactions microbial ecology Environmental sciences GE1-350 Oceanography GC1-1581 Oriol Sacristán-Soriano Carlos Angulo-Preckler Jennifer Vázquez Conxita Avila Potential chemical defenses of Antarctic benthic organisms against marine bacteria |
topic_facet |
Antibacterial activity natural products symbiosis host–symbiont interactions microbial ecology Environmental sciences GE1-350 Oceanography GC1-1581 |
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. |
format |
Article in Journal/Newspaper |
author |
Oriol Sacristán-Soriano Carlos Angulo-Preckler Jennifer Vázquez Conxita Avila |
author_facet |
Oriol Sacristán-Soriano Carlos Angulo-Preckler Jennifer Vázquez Conxita Avila |
author_sort |
Oriol Sacristán-Soriano |
title |
Potential chemical defenses of Antarctic benthic organisms against marine bacteria |
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 |
publisher |
Norwegian Polar Institute |
publishDate |
2017 |
url |
https://doi.org/10.1080/17518369.2017.1390385 https://doaj.org/article/59de9cb128e1469cb8939444e6f7a8aa |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic Antarctica Polar Research |
genre_facet |
Antarc* Antarctic Antarctica Polar Research |
op_source |
Polar Research, Vol 36, Iss 1 (2017) |
op_relation |
http://dx.doi.org/10.1080/17518369.2017.1390385 https://doaj.org/toc/1751-8369 1751-8369 doi:10.1080/17518369.2017.1390385 https://doaj.org/article/59de9cb128e1469cb8939444e6f7a8aa |
op_doi |
https://doi.org/10.1080/17518369.2017.1390385 |
container_title |
Polar Research |
container_volume |
36 |
container_issue |
1 |
container_start_page |
1390385 |
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1766162244707549184 |