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Full-Text Articles in Life Sciences

Cloning And Expression Of Human Synaptosome Associated Protein 29 In E. Coli, Logan M. Ryals May 2020

Cloning And Expression Of Human Synaptosome Associated Protein 29 In E. Coli, Logan M. Ryals

Honors Theses

Acting as the chief mediators of vesicular fusion, soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNAREs) play a role in many intracellular trafficking events by moving opposing membranes into close proximity. One such event takes place in the process of autophagy. A key SNARE involved in autophagy is Synaptosome Associated Protein 29 (SNAP-29), which acts on the autophagosome membrane to promote autophagosome and lysosome fusion. Kaposi’s Sarcoma Herpesvirus (KSHV) proteins ORF33 and ORF38 were demonstrated to interact with SNAP-29. The exact mechanism of this interaction is yet to be elucidated but it is hypothesized that these interactions allow KSHV to modulate …


Alpha-Gal Syndrome: Molecular Characterization Of Amblyomma Americanum Α-D-Galactosidase In Α-Gal Metabolism And Onset Of Red Meat Allergy, Ahmed A. Mohamed May 2020

Alpha-Gal Syndrome: Molecular Characterization Of Amblyomma Americanum Α-D-Galactosidase In Α-Gal Metabolism And Onset Of Red Meat Allergy, Ahmed A. Mohamed

Honors Theses

Tick-borne red meat allergy is an IgE-mediated delayed hypersensitivity reaction, increasingly widespread in tick endemic areas in the United States of America, and worldwide. Bites from the lone-star tick (Amblyomma americanum) are believed to be involved as the source of the sensitization of humans to the oligosaccharide galactose-⍺-1,3-galactose (α-gal), which is found in most mammal-derived food products, including gelatin, broths, and red meat. The purpose of this study is to functionally characterize the lone-star tick α-D-galactosidase (AGS) enzyme and assess its role in α-gal metabolism. This enzyme cleaves terminal α-galactose moieties from glycoproteins and glycolipids. Hence, I hypothesized …