Identification of Potential Viral Circular RNA in Epstein Barr Virus-Producing Cells

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Date
2015-12-01
Authors
Riese, Katie
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Honors Projects and Posters
University Honors Program

The Honors project is potentially the most valuable component of an Honors education. Typically Honors students choose to do their projects in their area of study, but some will pick a topic of interest unrelated to their major.

The Honors Program requires that the project be presented at a poster presentation event. Poster presentations are held each semester. Most students present during their senior year, but may do so earlier if their honors project has been completed.

This site presents project descriptions and selected posters for Honors projects completed since the Fall 2015 semester.

Department
Food Science and Human Nutrition
Abstract

Circular RNAs (circRNAs) are a recently-discovered class of RNA molecules with a unique closed-loop structure. While circRNAs may be almost exclusively non-coding, several regulatory roles have been proposed. The role of circRNAs in disease, particularly cancer, is under investigation. Prior to this study, a gene in the Epstein Barr Virus (EBV) genome, BHLF1, was identified as having a putative circRNA. The purpose of this study was to identify whether BHLF1 RNA is circular and to determine how expression of BHLF1 RNA varies with time and cell media conditions. To this end, BHLF1 expression was induced in Akata cells (a Burkitt’s lymphoma cell line which produces transforming EBV) under different media conditions and cells were collected at various time points. RNA was extracted and cDNA was synthesized using RT-PCR. A product of the correct size, 283 bp, was successfully amplified using outward facing BHLF1 primers, indicating that the original RNA was circular. Expression of this product depended on time of collection of Akata cells and media conditions. Because circRNAs have been shown to have roles in gene regulation and disease development, identification of BHLF1 RNA as circRNA may offer a new insight into its role in EBV pathogenesis.

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