USAP-DC

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Population ecology of Salpa thompsoni based on molecular indicators Start Date: 2011-06-15 End Date: 2015-05-31 Description/Abstract The proposed research targets the molecular genetics of salps, an increasingly important member of the zooplankton in Antarctic waters who's dominance appears to be related to climate warming and sea ice loss. Specifically the research will examine genome-wide patterns of gene expression, target gene expression levels, and patterns of population genetic diversity and structure underlying the complex life history and population dynamics of S. thompsoni. The P.I.s hypothesize that (1) deep analysis of the Salpa thompsoni transcriptome will reveal significant associations among selected set of differentially expressed genes and critical life history stages and events (e.g., ontogenetic maturation, sexual reproduction, senescence) of the salp; and 2) the species will show variable levels of clonal diversity and significant genetic differentiation among populations in different regions of the Southern Ocean. Broader impacts include training of two graduate students; inclusion of undergraduates in research, and in a formal training workshop; development of a summer workshop for high school teachers in collaboration with Connecticut Sea Grant; and public outreach via postings on the Census of Marine Zooplankton homepage. Personnel Person Role Bucklin, Ann Investigator Funding Antarctic Organisms and Ecosystems Award # 1044982 AMD - DIF Record(s) LMG1110 Data Management Plan None in the Database Product Level: Not provided Datasets Repository Title (link) Format(s) Status R2R Expedition Data None exist Publications Batta-Lona, P.G., A. Maas, R. O'Neill, P.H. Wiebe, A. Bucklin (2017) Transcriptomic profiles of spring and summer populations of the Southern Ocean salp, Salpa thompsoni, in the Western Antarctic Peninsula region. Polar Biol. 40: 1261–1276 (doi:10.1007/s00300-016-2051-6) Jue, N., Batta-Lona, P.G., S. Trusiak, C. Obergfell, A. Bucklin, M.J. O’Neill, and R.J. O’Neill (2016) Rapid evolutionary rates and unique genomic signatures discovered in the first reference genome for the Southern Ocean salp, Salpa thompsoni (Urochordata, Thaliacea). Genome Biol. Evol. 8: 3171-3186. (doi: 10.1093/gbe/evw215) Bucklin, A., O’Neill, R., & Payne, D. (2017). Antarctic salp genome and RNAseq transcriptome from ARSV Laurence M. Gould, Umitaka-Maru, R/V Polarstern LMG1110, UM-08-09, ANT-XXVII-2 in the Southern Ocean from 2009-2011 (Salp_Antarctic project). Biological and Chemical Oceanography Data Management Office. (doi:10.1575/1912/bco-dmo.728225) Bucklin, A. (2012). Alongtrack data collected continuously by the ship’s underway acquisition system from ARSV Laurence M. Gould cruise LMG1110 in the Southern Ocean in 2011. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (doi:10.1575/1912/bco-dmo.661343) Bucklin, A., & Warren, J. (2015). CTD data from ARSV Laurence M. Gould LMG1110 in the Southern Ocean from November to December 2011 (Salp_Antarctic project). Biological and Chemical Oceanography Data Management Office. (doi:10.1575/1912/bco-dmo.661344) Bucklin, A. (2011). Scientific sampling event log from ARSV Laurence M. Gould LMG1110 in the Southern Ocean from Nov. 2011 (Salp_Antarctic project). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (doi:10.1575/1912/bco-dmo.661345) Bucklin, A., O’Neill, R., & Payne, D. (2017). Salp specimen log for genomic and transcriptomic study collected from ARSV Laurence M. Gould, Umitaka-Maru, R/V Polarstern LMG1110, UM-08-09, ANT-XXVII-2 in the Southern Ocean from 2009-2011 (Salp_Antarctic project). Biological and Chemical Oceanography Data Management Office. (doi:10.1575/1912/bco-dmo.728220) Bucklin, A. (2014). CTD data from MOCNESS tows taken in the Antarctic in 2011 from ARSV Laurence M. Gould LMG1110 in the Southern Ocean from November to December 2011 (Salp_Antarctic project). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (doi:10.1575/1912/bco-dmo.661339) Keywords Antarctic Peninsula PLANKTON Platforms and Instruments ADCP AWS CTD ECHO SOUNDERS FLUOROMETERS GPS R/V LMG THERMOSALINOGRAPHS XBT