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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

What We Say When We Mean Goodbye

Schrauth, Jennifer Diane 07 July 2014 (has links)
There are nine stories in this collection, with characters ranging from a Kraken to Amelia Earhart to Texas sisters to college boys to a larger than life woman to a thrill killer to a girl who poses nude for an art class and on. These characters are all, in one way or another, in limbo, this place between happiness and unhappiness. Some of them are fighting so hard to get out, and some of them don't really know that this is where they are, who they are yet. But all of these characters are there on this separate plane from everyone else, and none of them are articulate enough to explain to someone else how to get where they are so that they can be rescued. / Master of Fine Arts
2

Factors Affecting How Well Bacterial Whole Genome Sequencing Reads Assemble

Linda, Mustafa January 2021 (has links)
Recently Whole Genome Sequencing (WGS) has become the new high-resolution tool used to trace the source of foodborne outbreaks. There are often only a few genetic differences that can distinguish closely related bacterial isolates, and variability in data quality between different laboratories may influence the results. In this project, a data set from ten laboratories where the same bacterial samples were sequenced using different library preparation kits and sequencing methods in an interlaboratory study, has been used. Factors that could be responsible for the different performance in terms of how well the raw WGS data from the different labs assembles were investigated. The raw data from the different labs assembled very differently. One lab showed adapter sequences in their reads and filtering them improved the assembly substantially. All labs utilizing the transposase-based library preparation kit Nextera, had base composition bias in the beginning of the reads. For many labs, as the coverage was increased, the number of contigs first increased and then decreased. This was due to low number of contaminating reads from other species. However, these contaminations were barely visible in the plots generated by Kraken/Krona. Filtering out contigs with very low coverage removed this problem. Two labs performed much worse than the others. Some of their reads showed quality drop towards the ends, whereas their data also had the longest read length. However, quality trimming the read ends did not improve the assembly. These two labs had higher GC content in their reads compared to the other labs, the reason for this needs further investigation.

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