Spatial Scales of Bacterial Diversity in Cold-Water Coral Reef Ecosystems
Background: Cold-water coral reef ecosystems are recognized as biodiversity hotspots in the deep sea, but insights into their associated bacterial communities are still limited. Deciphering principle patterns of bacterial community variation over multiple spatial scales may however prove critical fo...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.271.8694 2023-05-15T17:08:43+02:00 Spatial Scales of Bacterial Diversity in Cold-Water Coral Reef Ecosystems Ra Schöttner Christian Wild Friederike Hoffmann Antje Boetius Alban Ramette The Pennsylvania State University CiteSeerX Archives application/zip http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.271.8694 en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.271.8694 Metadata may be used without restrictions as long as the oai identifier remains attached to it. ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/35/41/PLoS_One_2012_Mar_5_7(3)_e32093.tar.gz text ftciteseerx 2016-01-07T20:40:57Z Background: Cold-water coral reef ecosystems are recognized as biodiversity hotspots in the deep sea, but insights into their associated bacterial communities are still limited. Deciphering principle patterns of bacterial community variation over multiple spatial scales may however prove critical for a better understanding of factors contributing to cold-water coral reef stability and functioning. Methodology/Principal Findings: Bacterial community structure, as determined by Automated Ribosomal Intergenic Spacer Analysis (ARISA), was investigated with respect to (i) microbial habitat type and (ii) coral species and color, as well as the three spatial components (iii) geomorphologic reef zoning, (iv) reef boundary, and (v) reef location. Communities revealed fundamental differences between coral-generated (branch surface, mucus) and ambient microbial habitats (seawater, sediments). This habitat specificity appeared pivotal for determining bacterial community shifts over all other study levels investigated. Coral-derived surfaces showed species-specific patterns, differing significantly between Lophelia pertusa and Madrepora oculata, but not between L. pertusa color types. Within the reef center, no community distinction corresponded to geomorphologic reef zoning for both coral-generated and ambient microbial habitats. Beyond the reef center, however, bacterial communities varied considerably from local to regional scales, with marked shifts toward the reef periphery as well as between different in- and offshore reef sites, suggesting significant biogeographic imprinting but weak Text Lophelia pertusa Unknown |
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English |
description |
Background: Cold-water coral reef ecosystems are recognized as biodiversity hotspots in the deep sea, but insights into their associated bacterial communities are still limited. Deciphering principle patterns of bacterial community variation over multiple spatial scales may however prove critical for a better understanding of factors contributing to cold-water coral reef stability and functioning. Methodology/Principal Findings: Bacterial community structure, as determined by Automated Ribosomal Intergenic Spacer Analysis (ARISA), was investigated with respect to (i) microbial habitat type and (ii) coral species and color, as well as the three spatial components (iii) geomorphologic reef zoning, (iv) reef boundary, and (v) reef location. Communities revealed fundamental differences between coral-generated (branch surface, mucus) and ambient microbial habitats (seawater, sediments). This habitat specificity appeared pivotal for determining bacterial community shifts over all other study levels investigated. Coral-derived surfaces showed species-specific patterns, differing significantly between Lophelia pertusa and Madrepora oculata, but not between L. pertusa color types. Within the reef center, no community distinction corresponded to geomorphologic reef zoning for both coral-generated and ambient microbial habitats. Beyond the reef center, however, bacterial communities varied considerably from local to regional scales, with marked shifts toward the reef periphery as well as between different in- and offshore reef sites, suggesting significant biogeographic imprinting but weak |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Ra Schöttner Christian Wild Friederike Hoffmann Antje Boetius Alban Ramette |
spellingShingle |
Ra Schöttner Christian Wild Friederike Hoffmann Antje Boetius Alban Ramette Spatial Scales of Bacterial Diversity in Cold-Water Coral Reef Ecosystems |
author_facet |
Ra Schöttner Christian Wild Friederike Hoffmann Antje Boetius Alban Ramette |
author_sort |
Ra Schöttner |
title |
Spatial Scales of Bacterial Diversity in Cold-Water Coral Reef Ecosystems |
title_short |
Spatial Scales of Bacterial Diversity in Cold-Water Coral Reef Ecosystems |
title_full |
Spatial Scales of Bacterial Diversity in Cold-Water Coral Reef Ecosystems |
title_fullStr |
Spatial Scales of Bacterial Diversity in Cold-Water Coral Reef Ecosystems |
title_full_unstemmed |
Spatial Scales of Bacterial Diversity in Cold-Water Coral Reef Ecosystems |
title_sort |
spatial scales of bacterial diversity in cold-water coral reef ecosystems |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.271.8694 |
genre |
Lophelia pertusa |
genre_facet |
Lophelia pertusa |
op_source |
ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/35/41/PLoS_One_2012_Mar_5_7(3)_e32093.tar.gz |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.271.8694 |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766064566069886976 |