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    Exploring Senataxin -- Sen1p homology

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    2010_Malone.pdf (747.0Kb)
    Date
    2010
    Author
    Malone, Elizabeth A.
    Advisor(s)
    Culbertson, Michael R. (Mentor)
    Metadata
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    Abstract
    Mutated SETX, a human gene encoding for the protein Senataxin, has been identified among patients with two different neurodegenerative disorders--ataxia-ocular apraxia 2 (AOA2) and amyotrophic lateral sclerosis 4 (ALS4). A cross-organism comparison was performed to identify possible orthologs of this newly identified protein. Saccharomyces cerevisiae protein, Sen1p, was determined to have two domains of homology with Senataxin: a matching Superfamily I helicase domain and a portion of the N-terminus to which Rad2p, Rnt1p, and Rpb1p interaction sites have been isolated in yeast. We will explore the degree of conservation between the proteins by determining if Senataxin interacted with the same three protein candidates--Rad2p, Rnt1p, and Rpb1p--as the yeast Sen1p by using a yeast two-hybrid test. Furthermore, we will examine if Senataxin interacts with the human orthologs of these three proteins. With these experiments, we hope to confirm the homologous functions of the two proteins in their respective organisms, which would allow for a greater understanding of SETX mutants, such as people affected by AOA2 and ALS4.
    Subject
    Genetics
    Psychology
    Biology
    Neurobiology
    Permanent Link
    http://digital.library.wisc.edu/1793/46028
    Type
    Thesis
    Description
    15 p.
    Part of
    • Biology Honors Theses and Research Papers

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