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Full-Text Articles in Molecular Biology

The Localization And Function Of Novel Tetrahymena Thermophila Cytoskeletal Genes Bbc29 And Bbc39, Emily K. Moore, Nicole C. Zanolli Jan 2017

The Localization And Function Of Novel Tetrahymena Thermophila Cytoskeletal Genes Bbc29 And Bbc39, Emily K. Moore, Nicole C. Zanolli

Undergraduate Research Symposium Posters

Ciliary function is known to play an important role in many human conditions, including chronic sinus and pulmonary diseases and problems with infertility. Cilia are cytoskeletal structures that protrude from the cell body to facilitate movement. Ciliary structure is conserved throughout eukaryotes, from unicellular to multicellular organisms, including humans. A clear understanding the proteins that compose cilia and how they interact with one another will increase our knowledge about important cytoskeletal elements. Because cilia are difficult to study in multicellular organisms, the unicellular eukaryote Tetrahymena thermophila serves as a useful model for the study of cytoskeletal genes, due to their …


Effect Of Hinge Region Phosphorylation On The Localization Of Thp1 In Tetrahymena Thermophila, Emily Bulley, Emily Wiley Jan 2013

Effect Of Hinge Region Phosphorylation On The Localization Of Thp1 In Tetrahymena Thermophila, Emily Bulley, Emily Wiley

Scripps Senior Theses

Within the cell nucleus, there are regions of highly condensed, transcriptionally silent chromatin called heterochromatin. Heterochromatin plays an important role in both chromosomal stability and gene regulation within the cell. Heterochromatin assembly is mediated by Heterochromatin Protein 1 (HP1) binding to epigenetically marked histone tails, most notably methylated H3K9. HP1 is post-translationally phosphorylated at serine and threonine residues, and this phosphorylation has been shown to increase HP1’s binding affinity for methylated H3K9 and heterochromatin formation. To study the effect of phosphorylation on heterochromatin assembly and HP1 localization within the nucleus, the unicellular protozoan Tetrahymena thermophila was used. Tetrahymena is an …