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Filtering by: Creator Brodersen, C.M. Remove constraint Creator: Brodersen, C.M. Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.) Resource Type Dissertation Remove constraint Resource Type: Dissertation

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  • Processing and functional diversity of plant microRNA

    Creator:
    Cuperus, Josh
    Abstract:
    RNA interference pathways can involve amplification of secondary siRNAs by RNA-dependent RNA polymerases. In plants, RDR6-dependent secondary siRNAs, including transacting siRNAs (tasiRNAs), arise from transcripts targeted by some microRNAs (miRNAs). In the case of TAS3 tasiRNA formation, ARGONAUTE7 (AGO7)-miR390 complexes interact with primary transcripts at two sites, resulting in recruitment...
    Resource Type:
    Dissertation
    Full Text:
    ; Brodersen et al., 2008; Dugas and Bartel, 2008). Furthermore, the extent to which both mechanisms act may

  • Origins and evolution of plant microRNA genes

    Creator:
    Fahlgren, Noah
    Abstract:
    Eukaryotic small RNA (~20-30 nucleotides) are diverse regulatory molecules that repress gene expression at the transcriptional and post-transcriptional levels, defend hosts against invading viruses and defend genomes against selfish DNA elements. Small RNA populations are studied by high-throughput sequencing of the total small RNA fraction isolated from cells, however, the...
    Resource Type:
    Dissertation
    Full Text:
    translation initiation or elongation (Brodersen et al., 2008; Lanet et al., 2009). Animal miRNA are

  • The Influence of Prey Predictability on the Foraging Behavior and Movement of Intertidal Predators

    Creator:
    Hennessey, Shannon M.
    Abstract:
    Fluctuations and spatial heterogeneity of habitat and resources is thought to underlie niche variation in animal populations, with intraspecific differences serving to produce or maintain population-, community-, or ecosystem-level patterns. Individual diet variation, defined as individual variation in food resource use within a population that is consistent over time, is...
    Resource Type:
    Dissertation

  • Endogenous and antiviral RNA silencing pathways in Arabidopsis

    Creator:
    Chapman, Elisabeth J.
    Abstract:
    RNA silencing pathways are required for a wide variety of processes in most eucaryotes. In plants, small-interfering RNA (siRNA) arising from transposons and other repetitive sequences is associated with heterochromatin formation and maintenance. MicroRNAs and trans-acting siRNAs encoded at discrete loci function as negative regulators of gene expression by triggering...
    Resource Type:
    Dissertation

  • Performance modeling and analysis of asynchronous pipelines for designers

    Creator:
    Chang, Chih-ming, 1964-
    Abstract:
    Better performance has been one of the main motivations behind the recent resurgence of interest in asynchronous circuits (no matter whether this is always true or not). We are particularly interested in the performance of pipelines since they are used extensively in current digital systems. There exists an algorithm that...
    Resource Type:
    Dissertation

  • Mapping of recursive algorithms onto multi-rate arrays

    Creator:
    Zheng, Yue-Peng
    Abstract:
    In this dissertation, multi-rate array (MRA) architecture and its synthesis are proposed and developed. Using multi-coordinate systems (MCS), a unified theory for mapping algorithms from their original algorithmic specifications onto multi-rate arrays is developed. A multi-rate array is a grid of processors in which each interconnection may have its own...
    Resource Type:
    Dissertation