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Suppression Of Neurodegenerative Symptoms Via Suppressor Of Levy Mutation In Drosophila Melanogaster, William Kaputa Dec 2014

Suppression Of Neurodegenerative Symptoms Via Suppressor Of Levy Mutation In Drosophila Melanogaster, William Kaputa

Forensic Science Theses

Mutation of the levy gene on chromosome 2 of Drosophila melanogaster has previously been shown to cause temperature-induced paralysis and neurodegeneration. The Suppressor of levy mutation, Su(levy), also on chromosome 2, modulates the effects of the levy mutation and partly rescues the wild-type phenotype. The goal of this research was to determine if Su(levy) mutation alleviates the effects of neurodegeneration caused by mutations associated with Alzheimer’s and Parkinson’s diseases in humans. The mutant genes used were hLRRK2, α-Synuclein, DJ1-α, Pink, Parkin, and Aβ-42. To determine this, flies carrying the above-mentioned mutant genes were …


Structural Analysis Of The Drosophila Innexin Shakb: Role Of The N-Terminus In Rectifying Electrical Synapses, William Marks May 2012

Structural Analysis Of The Drosophila Innexin Shakb: Role Of The N-Terminus In Rectifying Electrical Synapses, William Marks

Biology Theses

Gap junction channels mediate direct intercellular communication in all multicellular animals. They are comprised of the connexin family of proteins in vertebrates and the innexin family in prechordates. Connexins and innexins share many functional and structural similarities as orthologous proteins. Both types are capable of forming electrical synapses. Rectifying junctions are specialized electrical synapses found in neural systems that control escape responses. It has been shown that heterotypic gap junction channels mediate asymmetric properties of rectifying junctions. Shaking B N+16 and Shaking B lethal are variants of the ShakB locus in Drosophila and the organization of these innexins into heterotypic …