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Honors Undergraduate Theses

Mitophagy

Publication Year

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Studies On E2 Conjugation Enzyme Partners Of Mulan E3 Ubiquitin Ligase, Rebekah J. Fitzpatrick Jan 2018

Studies On E2 Conjugation Enzyme Partners Of Mulan E3 Ubiquitin Ligase, Rebekah J. Fitzpatrick

Honors Undergraduate Theses

Mulan is an E3 ubiquitin ligase embedded in the outer mitochondria membrane. Mulan’s participation in the ubiquitination process is conducted through its cytosol exposed RING finger domain, and its ability to modulate protein ubiquitination makes it a key player in mitochondrial and cellular homeostasis. Mulan is known to be involved in mitochondrial fission, fusion, mitochondrial stress, apoptosis, and Parkin-independent mitophagy. Dysregulation of Mulan in mice has been shown to correlate with human neurodegenerative disorders and heart disease. Accumulation of Mulan is predicted to be responsible for the motor neuron degeneration 2 (mnd2) phenotype in mutant mice through the deregulation of …


The Role Of The Intermembrane Domain Of Mulan In Mitophagy And Cell Death, Jared M. Herbert Jan 2016

The Role Of The Intermembrane Domain Of Mulan In Mitophagy And Cell Death, Jared M. Herbert

Honors Undergraduate Theses

Mulan is an E3 ubiquitin ligase and an E3 SUMO ligase embedded in the outer mitochondrial membrane. Mulan plays a major role in various cell processes including cell growth, mitophagy, apoptosis, and mitochondrial dynamics. In addition, its deregulation is involved in the development and progression of several human disorders such as neurodegeneration and heart disease. There are two main discernible domains in Mulan: a large cytoplasmic domain that encodes the RING-finger motif and carries out the catalytic activity of the protein; the second domain of Mulan is exposed to the intermembrane space of mitochondria, and its function remains unknown. This …