Chemical and microbiological insights into two littoral Antarctic demosponge species: Haliclona (Rhizoniera) dancoi (Topsent 1901) and Haliclona (Rhizoniera) scotti (Kirkpatrick 1907)
IntroductionAntarctic Porifera have gained increasing interest as hosts of diversified associated microbial communities that could provide interesting insights on the holobiome system and its relation with environmental parameters.MethodsThe Antarctic demosponge species Haliclona dancoi and Haliclon...
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Frontiers Media S.A.
2024-02-01
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| Series: | Frontiers in Microbiology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fmicb.2024.1341641/full |
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| author | Maria Papale Stefania Giannarelli Maurizio Azzaro di Rosamarina Lisa Ghezzi Angelina Lo Giudice Carmen Rizzo Carmen Rizzo |
| author_facet | Maria Papale Stefania Giannarelli Maurizio Azzaro di Rosamarina Lisa Ghezzi Angelina Lo Giudice Carmen Rizzo Carmen Rizzo |
| author_sort | Maria Papale |
| collection | DOAJ |
| description | IntroductionAntarctic Porifera have gained increasing interest as hosts of diversified associated microbial communities that could provide interesting insights on the holobiome system and its relation with environmental parameters.MethodsThe Antarctic demosponge species Haliclona dancoi and Haliclona scotti were targeted for the determination of persistent organic pollutant (i. e., polychlorobiphenyls, PCBs, and polycyclic aromatic hydrocarbons, PAHs) and trace metal concentrations, along with the characterization of the associated prokaryotic communities by the 16S rRNA next generation sequencing, to evaluate possible relationships between pollutant accumulation (e.g., as a stress factor) and prokaryotic community composition in Antarctic sponges. To the best of our knowledge, this approach has been never applied before.ResultsNotably, both chemical and microbiological data on H. scotti (a quite rare species in the Ross Sea) are here reported for the first time, as well as the determination of PAHs in Antarctic Porifera. Both sponge species generally contained higher amounts of pollutants than the surrounding sediment and seawater, thus demonstrating their accumulation capability. The structure of the associated prokaryotic communities, even if differing at order and genus levels between the two sponge species, was dominated by Proteobacteria and Bacteroidota (with Archaea abundances that were negligible) and appeared in sharp contrast to communities inhabiting the bulk environment.DiscussionsResults suggested that some bacterial groups associated with H. dancoi and H. scotti were significantly (positively or negatively) correlated to the occurrence of certain contaminants. |
| first_indexed | 2024-03-08T04:03:14Z |
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| language | English |
| last_indexed | 2024-03-08T04:03:14Z |
| publishDate | 2024-02-01 |
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| series | Frontiers in Microbiology |
| spelling | doaj.art-0e527bb75c2a4137972d0f2b268aabe92024-02-09T09:13:34ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2024-02-011510.3389/fmicb.2024.13416411341641Chemical and microbiological insights into two littoral Antarctic demosponge species: Haliclona (Rhizoniera) dancoi (Topsent 1901) and Haliclona (Rhizoniera) scotti (Kirkpatrick 1907)Maria Papale0Stefania Giannarelli1Maurizio Azzaro di Rosamarina2Lisa Ghezzi3Angelina Lo Giudice4Carmen Rizzo5Carmen Rizzo6Institute of Polar Sciences, National Research Council, Messina, ItalyDepartment of Chemical and Industrial Chemistry, University of Pisa, Pisa, ItalyInstitute of Polar Sciences, National Research Council, Messina, ItalyDepartment of Earth Sciences, University of Pisa, Pisa, ItalyInstitute of Polar Sciences, National Research Council, Messina, ItalyInstitute of Polar Sciences, National Research Council, Messina, ItalyStazione Zoologica Anton Dohrn, Sicily Marine Centre, Messina, ItalyIntroductionAntarctic Porifera have gained increasing interest as hosts of diversified associated microbial communities that could provide interesting insights on the holobiome system and its relation with environmental parameters.MethodsThe Antarctic demosponge species Haliclona dancoi and Haliclona scotti were targeted for the determination of persistent organic pollutant (i. e., polychlorobiphenyls, PCBs, and polycyclic aromatic hydrocarbons, PAHs) and trace metal concentrations, along with the characterization of the associated prokaryotic communities by the 16S rRNA next generation sequencing, to evaluate possible relationships between pollutant accumulation (e.g., as a stress factor) and prokaryotic community composition in Antarctic sponges. To the best of our knowledge, this approach has been never applied before.ResultsNotably, both chemical and microbiological data on H. scotti (a quite rare species in the Ross Sea) are here reported for the first time, as well as the determination of PAHs in Antarctic Porifera. Both sponge species generally contained higher amounts of pollutants than the surrounding sediment and seawater, thus demonstrating their accumulation capability. The structure of the associated prokaryotic communities, even if differing at order and genus levels between the two sponge species, was dominated by Proteobacteria and Bacteroidota (with Archaea abundances that were negligible) and appeared in sharp contrast to communities inhabiting the bulk environment.DiscussionsResults suggested that some bacterial groups associated with H. dancoi and H. scotti were significantly (positively or negatively) correlated to the occurrence of certain contaminants.https://www.frontiersin.org/articles/10.3389/fmicb.2024.1341641/fullHaliclona spp.persistent organic pollutantstrace metalsprokaryotic communitiesAntarctic Porifera |
| spellingShingle | Maria Papale Stefania Giannarelli Maurizio Azzaro di Rosamarina Lisa Ghezzi Angelina Lo Giudice Carmen Rizzo Carmen Rizzo Chemical and microbiological insights into two littoral Antarctic demosponge species: Haliclona (Rhizoniera) dancoi (Topsent 1901) and Haliclona (Rhizoniera) scotti (Kirkpatrick 1907) Frontiers in Microbiology Haliclona spp. persistent organic pollutants trace metals prokaryotic communities Antarctic Porifera |
| title | Chemical and microbiological insights into two littoral Antarctic demosponge species: Haliclona (Rhizoniera) dancoi (Topsent 1901) and Haliclona (Rhizoniera) scotti (Kirkpatrick 1907) |
| title_full | Chemical and microbiological insights into two littoral Antarctic demosponge species: Haliclona (Rhizoniera) dancoi (Topsent 1901) and Haliclona (Rhizoniera) scotti (Kirkpatrick 1907) |
| title_fullStr | Chemical and microbiological insights into two littoral Antarctic demosponge species: Haliclona (Rhizoniera) dancoi (Topsent 1901) and Haliclona (Rhizoniera) scotti (Kirkpatrick 1907) |
| title_full_unstemmed | Chemical and microbiological insights into two littoral Antarctic demosponge species: Haliclona (Rhizoniera) dancoi (Topsent 1901) and Haliclona (Rhizoniera) scotti (Kirkpatrick 1907) |
| title_short | Chemical and microbiological insights into two littoral Antarctic demosponge species: Haliclona (Rhizoniera) dancoi (Topsent 1901) and Haliclona (Rhizoniera) scotti (Kirkpatrick 1907) |
| title_sort | chemical and microbiological insights into two littoral antarctic demosponge species haliclona rhizoniera dancoi topsent 1901 and haliclona rhizoniera scotti kirkpatrick 1907 |
| topic | Haliclona spp. persistent organic pollutants trace metals prokaryotic communities Antarctic Porifera |
| url | https://www.frontiersin.org/articles/10.3389/fmicb.2024.1341641/full |
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