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Western Kentucky University

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Full-Text Articles in Biotechnology

Investigation Of Transient Expression System In Nicotiana Bethamiana To Produce Novel Tales And The Development Of (Ds)Dna Detection With Quantum Dot-Labeled Proteins In Graphene Oxide Quenching Arrays, Colleen Jackson Jan 2019

Investigation Of Transient Expression System In Nicotiana Bethamiana To Produce Novel Tales And The Development Of (Ds)Dna Detection With Quantum Dot-Labeled Proteins In Graphene Oxide Quenching Arrays, Colleen Jackson

Mahurin Honors College Capstone Experience/Thesis Projects

Our objective was to develop a faster method of quantitively detecting double stranded (ds)DNA of pathogenic bacteria such as the Shiga Toxin 2 gene present in E. coli O157. Transcription Activator-Like Effectors (TALEs) are a new class of DNA-binding proteins which selectively bind to dsDNA with the 12th and 13th amino acids of each repeat, called repeat variable diresidues (RVDs). Novel TALE proteins were designed to target the stx2 gene and were cloned into existing AvrBs3 TALE protein in the pMAL c2x vector system for bacterial BL-21 E. Coli expression. The protein’s DNA-binding region was then subcloned pEAQ vectors for …