Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 46 for “"SSU"”.
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Improving Our Comprehension of Microbial Communities
… for small subunit ribosomal ribonucleic acid (SSU rRNA), or randomly sequenced genome fragments form the foundation upon which a majority of microbiologists evaluate community structure, metabolic capabilities and community dynamics. SSU rRNA sequence-based studies, which are the most common …
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Role of new virulence mechanisms/factors (type 3 secretion system and TOX-R regulated lipoprotein [TAGA]) in the pathogenesis of the emerging human pathogen Aeromonas hydrophila
… different virulence factors. A clinical isolate SSU of A. hydrophila possesses a cytotoxic enterotoxin Act, a potent virulence factor that is secreted into the environment through the bacterium’s type 2 secretion system (T2SS) and possesses several biological activities, including cytotoxicity, …
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Understanding the Evolution of Aggregative Multicellularity: A Molecular Phylogenetic Study of the Cellular Slime Mold Genera Sorodiplophrys and Pocheina
… stercorea. Phylogenies constructed using the 18S SSU gene supported previous morphological and ultrastructural studies by placing S. stercorea in the labyrinthulid Stramenopiles, in a clade containing a marine amoeba (Amphifila marina) of similar morphology. This is the first report of an organism …
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Jokes on the Four Books: Cultural criticism in early modern China
… insignificant in traditional Chinese literature. Ssu-shu hsiao is witty and provocative, different from other conventional and contemporary jestbooks for its parodic relationship with the Four Books, which were the core-texts of Neo-Confucianism and civil service examinations. The purpose of this …
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A molecular approach to questions in the phylogeny of planktonic sarcodines
… analyses of small-subunit ribosomal RNA (SSU rRNA) genes. Members of these two classes have been traditionally grouped into the common superclass Actinopoda based on their specialized pseudopodia called axopodia. Sequences from two orders of Acantharea (Symphyacanthida and Chaunacanthida) …
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An investigation of genetic variation within northwest Atlantic Porphyra (Bangiales, Rhodophyta) with specific phylogeographic analysis of the common, rocky intertidal species, Porphyra umbilicalis
… group-I introns of the ribosomal small subunit (SSU) were screened in North Atlantic species of Porphyra in order to assess whether they could be biogeographically informative. In an initial screening for the helix 50 intron, using flanking primers with the Polymerase Chain Reaction, the intron …
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Role of the small subunit of Rubisco in the green algal phylogeny and Carbon Concentrating Mechanism expression
… gene (rbcL) and eight ~15-kDa small subunit (SSU), encoded by a nuclear gene family (RbcS) in Form I Rubisco. The CCM has been particularly well-defined in the model unicellular chlorophyte Chlamydomonas reinhardtii and recent studies showed that for full CCM induction, a key protein linker …
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Processes involved in protein translation
… assembly of the small subunit of the ribosome (SSU), and (3) free energy change and the mechanism of elongation factor Tu (EF-Tu). The function and evolutionary history of both components are intertwined as the SSU is responsible for decoding information encoded in messenger RNA (mRNA) and EF-Tu …
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The Evolution of Ribosome Assembly: Making Ribosomes in the Mitochondria
… of the mitochondrial small subunit (mtSSU) in eukaryotes. To gain mechanistic insight into the process of SSU assembly in the mitochondria, I set out to enrich and characterize intermediates of SSU assembly in the mitochondria of S. cerevisiae. By employing a combination of endogenous …
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Physiological and molecular determinants of the Chlamydomonas reinhardtii pyrenoid
… of a native LSU, and higher plant small subunit (SSU), lacked a pyrenoid (Genkov et al., 2010), and that defined SSU alterations were neutral with respect to the pyrenoid (Genkov and Spreitzer, 2006), hitherto unexplored SSU domains were modified. A pyrenoid was successfully restored by replacing …
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Structural RNA Homology Search and Alignment Using Covariance Models
… of large RNAs like small subunit ribosomal RNA: SSU rRNA) are prohibitively slow. Large-scale alignment of SSU rRNA is of particular utility for environmental survey studies of microbial diversity which often use the rRNA as a phylogenetic marker of microorganisms. In this work, we improve CM …
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Structural Studies of the Nucleolar Stages of Ribosome Biogenesis in Yeast
… are heterodimers made up of a small subunit (SSU, 40S) and a large subunit (LSU, 60S). At the interface of these subunits, the mRNA is decoded by the small subunit and peptide bond formation is catalyzed by the rRNA of the large subunit. The cell therefore requires the timely and accurate …
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Technology assessment and market analysis of solid state ultracapacitors
… analysis of Solid State Ultracapacitors (SSUs) from technological and financial perspectives. SSUs are Ultracapacitors with solid electrolytes predicted to have huge application potential as the electrical energy storage device in Hybrid Electrical Vehicles (HEVs) due to the projected high …
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Molecular phylogenetics of the Metazoan clade Lophotrochozoa
… of the nuclear small-subunit ribosomal RNA gene (SSU rDNA). Analysis ofLSU rDNA sequences recovered the monophyly of several phyla, such as Mollusca and Anelida, whose members are found to be paraphyletic using SSU rDNA sequences alone. Results also suggest that the clade Platyzoa, including …
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Molecular phylogeny of Melanospora and Diaporthales, and population genetics of dogwood anthracnose fungus
… encoded small and large subunit RNA genes (SSU and LSU nrDNA) and deduced amino acid sequences of a subunit of RNA polymerase II gene (RPB2) indicated that five genera previously considered in Ceratostomataceae of Sordariales were related to Hypocreales. Melanospora (including the type) and …
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Analytics for Healthcare Operations: Machine Learning to Improve Emergency Department Patient Flow
… this cohort of SS patients to a short-stay unit (SSU). The SSU would allow for more effective and timely care of this class of patients, thus helping to alleviate both ED overcrowding and inpatient floor utilization. The model exhibits an out-of-sample AUC of 0.81 and its scores are inversely …
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New insights on the ecology of free-living heterotrophic nanoflagellates based on the use of molecular biological approaches
… (RFLP) analysis of small subunit ribosomal DNA (SSU rONA) amplified by the polymerase chain reaction (PCR) differentiated pure cultures of heterotrophic nanoflagellates according to established taxonomic classification at the generic and species level. In addition, RFLP analysis of amplified SSU …
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Evidence of Water to Human Transmission of Aeromonas Hydrophila: Critical Role of Quorum Sensing in Bacterial Virulence & Host Response
… (QS) in the virulence of a diarrheal isolate SSU of A. hydrophila by generating a ΔahyRI mutant. Our data suggested that AI-1-mediated QS modulated the in vitro virulence of A. hydrophila by regulating type 6 secretion effectors, metallo-protease production, and biofilm formation. In a …
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Maternal environment and offspring physiology : the inheritance of information across a generation
… I identified the cytosolic sulfotransferase SSU-1 and found that SSU-1 functions in the ASJ sensory neurons to control development and insulin-sensitivity in response to osmotic stress.
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Molecular Evolution in non-bilaterian Metazoa with Emphasis on Phylum Porifera
… dieser Gruppe besitzen in ihren Small Subunit (SSU) rRNA Genen hypervariable Insertionen, die zu variabel sind, um in herkömmlichen phylogenetischen Analysen genutzt werden zu können. In dieser Arbeit konnte aber gezeigt werden, dass die Sekundärstrukturen dieser Insertionen zusätzliche …
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