2,249 research outputs found

    Remarks by David D. Caron

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    Remarks By David D. Caron

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    In my lecture, I address an issue that is underappreciated, certainly not addressed, yet critically important to what international law values—the theme of this year's ASIL Annual Meeting. To put the topic in dramatic terms, it is that scene at a dinner party where all appears serene but then a seemingly minor comment gives rise to a harsh response; it is that moment when there is a glimpse of a serious disagreement beneath the surface that has bubbled up unexpectedly.</jats:p

    La protection de la couche d'ozone stratosphérique et la structure de l'activité normative internationale en matière d'environnement

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    Caron David D. La protection de la couche d'ozone stratosphérique et la structure de l'activité normative internationale en matière d'environnement. In: Annuaire français de droit international, volume 36, 1990. pp. 704-726

    Rural Surgery: Challenges and Solutions for the Rural Surgeon

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    Matthias W. Wichmann, David C. C. Borgstrom, Nadine R. R. Caron and Guy Maddern (eds.)http://nla.gov.au/anbd.bib-an4870123

    Genetic characterization of microbial eukaryotic diversity and metabolic potential

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    For questions, please contact [email protected]. Associated publications: Sarah K. Hu, Zhenfeng Liu, Alle A. Y. Lie, Peter D. Countway, Diane Y. Kim, Adriane C. Jones, Rebecca J. Gast, S. Craig Cary, Evelyn B. Sherr, Barry F. Sherr, & David A. Caron. (2015). Estimating Protistan Diversity using High-throughput Sequencing. J Eukaryot Microbiol. 62(5): 688-693. doi:10.1111/jeu.12217. Sarah K. Hu, Victoria Campbell, Paige Connell, Alyssa Gellene, Zhenfeng Liu, Ramon Terrado, & David A. Caron. Protistan diversity and activity inferred from RNA and DNA at a coastal ocean site in the eastern North Pacific. (2016). FEMS Microbiol Ecol. 92(4) doi: 10.1093/femsec/fiw050. Sarah K. Hu, Lisa Mesrop, Paige Connell, & David A. Caron. A Hard Day’s Night: Shifts in microbial eukaryotic activity in the North Pacific Subtropical Gyre. In prep. Expected submission March 2018. Sarah K. Hu, Zhenfeng Liu, Harriet Alexander, Victoria Campbell, Paige Connell, Karla B. Heidelberg, Sonya Dyhrman, & David A. Caron. Shifting metabolic priorities among key protistan taxonomic groups within and below the euphotic zone. In revision.   Dissertation Abstract: Single-celled microbial eukaryotes (protists) mediate critical elemental transformations that support ecosystem function. An overarching goal in microbial ecology is to link the metabolic roles of individual microbes to food web structure, when will enable a better understanding of the biogeochemical processes driving marine ecosystems. The central goal of my dissertation work was to characterize protistan community structure and diversity in two regions in the Pacific Ocean: off the coast of California in the San Pedro Channel and northeast of Hawai’i in the North Pacific Subtropical Gyre. I used molecular techniques and bioinformatics to improve how we describe the diversity and activity of in situ protistan communities. By pairing traditional DNA-based tag sequencing with ribosomal RNA sequences, changes in protistan community structure and activity were found to correspond to depth, proximity to coastline, season, or time of day. Further, a metatranscriptome survey provided one of the first accounts of protistan physiological ecology across a depth gradient. Comparing transcript abundances (mRNA) among euphotic and sub-euphotic zone depths revealed the metabolic flexibility among key protistan lineages to rely on alternate metabolic modes/nutritional strategies (e.g. phototrophy at the surface, heterotrophy below the euphotic zone). This dissertation work addressed long-standing ecological questions regarding the metabolic roles of protists that we otherwise have no other way of observing in situ by using RNA-derived sequence information to characterize protistan diversity and metabolic potential.    A Dissertation Presented to the Faculty of the USC GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirement for the Degree DOCTOR OF PHILOSOPHY (BIOLOGICAL SCIENCES) MAY 2018</p
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