Department of

Biology

Dr. Euna (Esther) Choi

Assistant Professor of Biology
132 White Hall
Union University
Jackson, Tennessee 38305
(731) 661-5251
echoi@uu.edu

Education

• Ph.D, University of Illinois at Chicago
• M.S., Hallym University
• B.S., Hallym University

Previous Experience

• Research Associate, Department of Microbiology and molecular genetics, University of California, 2009-2013.
• Instructor and researcher, School of biological Sciences, University of Nebraska, 2014-2016

Courses Commonly Taught

• BIO 211: Microbiology
• BIO 211 Lab: Microbiology laboratory
• BIO/PHRM 514: Immune response and infectious disease
• BIO 498: Senior Seminar

Research/Scholarship Interests

• Investigating determining factors for biofilm formation of Pseudomonas fluorescence and Staphylococcus epidermidis

Undergraduate research projects

• Madison Studstill: Factors affecting Candida albicans biofilm formation on vaginal epithelial cell lines (2019)
• Audrie Campbell: The effects of cosmetic preservatives on the gene expression of Staphylococcus epidermidis and skin epithelial cell lines (2019)

Graduate research projects

• Alex Garey: Chemical factors affecting Pseudomonas fluorescence biofilm formation (2018)
• Taylor Garrison: The effect of quorum sensing molecules in mixed-species biofilm with Pseudomonas fluorescence and Candida albicans (2019)

Recent Presentations

• Global regulation of mRNA alternative polyadenylation by an oncogenic signaling pathway, Cold spring harbor meeting, New York, 2011.
• Competing 5’splice sites accelerates the intron removal, Cold spring harbor meeting, New York, 2009.
• The stabilizing effect of the woodchuck hepatitis posttranscriptional regulatory element for stimulating gene expression. American Society of Gene Therapy, Washington, D.C, 2003.

Recent Publications

• Lackford B¹, Yao C, Charles GM, Weng L, Zheng X, Choi EA, Xie X, Wan J, Shi Y. (2014) Fip1 regulates mRNA alternative polyadenylation to promote stem cell self-renewal , EMBO J. Apr 16;33(8):878-89
• Choi EA, Yao C., Weng L, Xie X, Wan J, Xing Y, Moresco JJ, Tu PG, Yates JR 3rd, Shi Y. (2013) Overlapping and distinct functions of CstF64 and CstF64T in mammalian 3’processing. 2013 Dec;19(12):1781-90
• Choi EA, Shepard P, Busch A, Hertel KJ. (2011) Efficient internal exon recognition depends on near equal contributions from the 3' and 5' splice sites , Nucleic Acids Res. 2011 Nov; 39(20): 8928–8937
• Choi EA, Shepard P, Lu J, Flanagan L, Hertel KJ and Shi Y. (2011) Complex and dynamic landscape of RNA polyadenylation revealed by PAS-Seq. RNA, Apr;17(4):761-72.
• Chan S, Choi EA, Shi Y. (2011) Pre-mRNA 3’end processing complex assembly and function. Wiley Interdiscip Rev RNA.  May;2(3):321-35
• Ambrus G, Whitby LR, Singer EL, Trott O, Choi E, Olson AJ, Boger DL, Gerace L. (2010) Small molecule peptidomimetic inhibitors of importin α/β mediated nuclear transport. Bioorganic and Medicinal Chemistry,18(21):7611-20.
• Choi, E.A., Hope, T. J. (2005) Mutational analysis of Bovine Leukemia virus Rex; Identification of a dominant-negative inhibitor, Journal of Virology,79, 7172-7181