Browsing by Author "Baller, Joshua A"

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    A Comprehensive Campus-based Approach to Address the Opportunities and Challenges Posed by Data Intensive Research
    (Association for Computing Machinery, 2019) Wilgenbusch, James C; Baller, Joshua A; Bates, Carla; Bollig, Evan; Johnston, Lisa R; Neuhauser, Claudia
    Faced with escalating expenses related to data storage needs and a capable set of on campus storage service providers, the University of Minnesota (UMN) developed a comprehensive framework to better address current and emerging challenges and opportunities brought by data intensive research. Elements of this framework and the process used to develop it could be applied at other research institutions to advance their efforts to address the challenges they face supporting data intensive science. While approaches may differ slightly, addressing these challenges within our respective universities is critical, and perhaps a prerequisite to building and sustaining partnerships among providers of advanced research computing and fully realizing the value of our data.
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    Data for: Using the Daphnia magna Transcriptome to Distinguish Water Source: Wetland and Stormwater Case Studies
    (2022-07-18) Jankowski, Mark D; Fairbairn, David J; Baller, Joshua A; Westerhoff, Benjamin M; Schoenfuss, Heiko L; jankowski.mark@epa.gov; Jankowski, Mark
    A major challenge in ecotoxicology is accurately and sufficiently measuring chemical exposures and biological effects given the presence of complex and dynamic contaminant mixtures in surface waters. Our study examined the performance of the Daphnia magna transcriptome to detect distinct responses across three water sources in Minnesota: laboratory [well] waters, wetland waters, or stormwaters. Pyriproxyfen (PPF) was included as a gene expression and male neonate production positive control to examine whether gene expression resulting from exposure to this well-studied juvenoid hormone analog can be detected in complex matrices. Laboratory-reared (<24 hr) D. magna were exposed to a water source and/or PPF for 16 d to monitor phenotypic changes or 96 hr to examine gene expression responses using Illumina HiSeq 2500 (10 million reads per library, 50-bp paired-end (2x50)).