ed08da05-65b4-4862-84c0-26878b876ed9 eng; CAN Polar Data Catalogue Canadian Cryospheric Information Network (519) 888-4567 x32689 200 University Avenue West, University of Waterloo Waterloo Ontario N2L 3G1 Canada pdc@uwaterloo.ca 2022-04-08T13:00:35 North American Profile of ISO 19115:2003 2009-01-01 https://www.polardata.ca/pdcsearch/PDCSearchDOI.jsp?doi_id=12601 Microbial communities within carnivorous sponges from Baffin Bay 2016-01-28 Dufour, Suzanne Verhoeven, Joost Unpublished data Here, we sampled five specimens of Chondrocladia and Cladorhiza as part of the Hidden Biodiversity project, using the SuperMohawk ROV on board the CCGS Amundsen. In October 2015, samples were collected from Scott Inlet and off Qikiqtarjuaq, and retrieved using a custom-built sample elevator. Samples were immediately dissected and processed for DNA and histological analyses. The analysis of these samples is currently in progress. Sponges are diverse and common inhabitants of benthic ecosystems along the shelf and within fjords of the Eastern Canadian Arctic. Among the types of sponges recorded in these environments during an ROV dive in Scott Inlet in 2014 are carnivorous sponges belonging to the genera Chondrocladia and Cladorhiza. These highly derived cladorhizid sponges capture small crustaceans using modified spicules and digest them; their distribution may therefore depend on local zooplankton productivity. Sponge tissues harbor a high diversity of microbes thought to be functionally important for sponge nutrition, immunity, and defense against predators and biofouling organisms. Given their anatomical simplicity and lack of a digestive system, carnivorous sponges probably rely on microbes to assist them in digestive processes, as suggested for a Mediterranean carnivorous sponge, Asbestopluma hypogea. Sponge associated microbes have also been of recent interest because they can produce biomedically important natural products such as antibiotics. Notably, the microbiome of the carnivorous sponge A. hypogea contains cultivable Actinobacteria that have antimicrobial activity, highlighting the potential of the carnivorous sponge microbiome in natural product bioprospecting. The microbiomes of Chondrocladia (from any region) and of Cladorhiza from shallower, polar regions have not yet been explored. The data set is developed to store information on sponge sample collection (location, date) as well as detailed information on the genetic identity of associated microbes (in progress). Polar Data Catalogue Canadian Cryospheric Information Network (519) 888-4567 x32689 200 University Avenue West, University of Waterloo Waterloo Ontario N2L 3G1 Canada pdc@uwaterloo.ca polardata.ca http https://metadata.arice-h2020.eu/geonetwork/srv/api/records/ed08da05-65b4-4862-84c0-26878b876ed9/attachments/map.png Bacteria Baffin Bay Benthos Biodiversity Invertebrates Microorganisms Sponges Polar Data Catalogue Thesaurus (Canada) 2021-06-02 Canadian Cryospheric Information Network (519) 888-4567 x32689 200 University Avenue West, University of Waterloo Waterloo Ontario N2L 3G1 Canada pdc@uwaterloo.ca polardata.ca http https://www.polardata.ca/pdcinput/public/keywordlibrary Baffin Bay, Nunavut, Canada Terms of Use of the Polar Data Catalogue: https://www.polardata.ca/pdcinput/public/termsofuse eng; CAN environment -70.160464 -63.408323 67.286089 71.309911 Time period can be either covered by the content of the dataset or the date when the data has been collected. 2015-10-17 2016-12-31 Summary: Not Applicable Research Program(s): ArcticNet. For further information: sdufour@mun.ca false Digital file 1.0 Polar Data Catalogue Canadian Cryospheric Information Network (519) 888-4567 x32689 200 University Avenue West, University of Waterloo Waterloo Ontario N2L 3G1 Canada pdc@uwaterloo.ca This metadata was generated from the PDC metadata database at 2021-06-02 Polar Data Catalogue Canadian Cryospheric Information Network (519) 888-4567 x32689 200 University Avenue West, University of Waterloo Waterloo Ontario N2L 3G1 Canada pdc@uwaterloo.ca