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Molecular Genetics Commons

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Full-Text Articles in Molecular Genetics

Circadian Rhythmicity And Neurodevelopment Of Disco And Grim Mutations In Drosophila Melanogaster, John Patrick Story Apr 2019

Circadian Rhythmicity And Neurodevelopment Of Disco And Grim Mutations In Drosophila Melanogaster, John Patrick Story

EURēCA: Exhibition of Undergraduate Research and Creative Achievement

The death gene grim and its pathway for apoptosis has been studied extensively in Drosophila Melanogaster. The effects of grim mutations on circadian neurodevelopment and locomotor assays have yet to be investigated. Mutations in the gene disconnected (disco) has been shown to disrupt the normal development of the circadian circuitry, specifically the small ventro-lateral neurons (s-LNv’s). Which has shown to severely decrease rhythmicity during free-running periods. Alternatively, we have observed an increase in rhythmicity during free-running periods in grim mutations. Our goal is to investigate the neurodevelopment of the circadian circuitry and their associated locomotor activities in these Drosophila mutations.


Functional Analysis Of A Putative Membrane-Bound Endo-Β-1,4-Glucanase From Panicum Virgatum, Joshua N Grant, Jonathan D. Willis, Neal Stewart Mar 2013

Functional Analysis Of A Putative Membrane-Bound Endo-Β-1,4-Glucanase From Panicum Virgatum, Joshua N Grant, Jonathan D. Willis, Neal Stewart

EURēCA: Exhibition of Undergraduate Research and Creative Achievement

Cellulose is the most abundant carbohydrate in the world and is degraded by the synergistic action of multiple enzymes. One large family of enzymes capable of hydrolyzing cellulose is glycoside hydrolase family 9 (GH9), which includes several endoglucanases. Recent research into the molecular biology of plants has revealed certain genes coding for endo-β-1,4-glucanases (EGases). The EGases in plants are primarily functional during cell elongation through wall stress relaxation. GH9 enzymes have been found in insects, bacteria, oomycetes, and fungi. In insects, EGases enable the organism to digest cellulose; in fungi, EGases are suspected to play an important role in obtaining …