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Articles 1 - 3 of 3
Full-Text Articles in Biochemistry
The Kinetic Signatures Of Antibody Binding To M. Genitalium Adhesin Protein Fragments, Margaret C. Lunn
The Kinetic Signatures Of Antibody Binding To M. Genitalium Adhesin Protein Fragments, Margaret C. Lunn
Honors Projects
Mycoplasma genitalium is a sexually-transmitted bacterial pathogen that persists in patients by adherence to cells through matrix glycoproteins and evasion of host antibodies. The MgpB and MgpC adherence proteins consist of variable and conserved regions. Variable regions undergo antigenic variation to avoid specific antibodies. However, the C-terminus (MgpB-4a) does not vary, is highly immunogenic, and antibodies to this region inhibit attachment and promote bacterial killing in vitro. To better understand how M. genitalium avoids clearance by antibodies to MgpB-4a in vivo we used surface plasmon resonance (SPR) to measure kinetic values of binding events. Binding of polyclonal rabbit antibodies (3935 …
Protein Body Formation In Stable Transgenic Plants Of Nicotiana Tabacum Expressing Elastin-Like Polypeptide And Hydrophobin Fusion Proteins, Sonia P. Gutierrez
Protein Body Formation In Stable Transgenic Plants Of Nicotiana Tabacum Expressing Elastin-Like Polypeptide And Hydrophobin Fusion Proteins, Sonia P. Gutierrez
Electronic Thesis and Dissertation Repository
Plants are recognized as an efficient and inexpensive system to produce valuable recombinant proteins. However, the use of plants still faces two main limitations: the low accumulation levels of some recombinant proteins and the lack of efficient protein purification methods. Two fusion partners, elastin-like polypeptides (ELP) and hydrophobin I (HFBI) were found to increase the accumulation of recombinant proteins and induce the formation of protein bodies (PBs) when targeted to the ER in transient expression assays. In this study I examined the effect of these tags in stable transgenic plants of two Nicotiana tabacum cultivars when fused to green fluorescent …
Sds Non-Acrylamide Polymeric Gel-Filled Capillary Electrophoresis For Molecular Size Separation Of Protein, Devon Andres
Sds Non-Acrylamide Polymeric Gel-Filled Capillary Electrophoresis For Molecular Size Separation Of Protein, Devon Andres
Honors Theses
Sodium dodecyl sulfide (SDS) non-acrylamide gel-filled capillary columns are a new technology being used for analysis and separation of biotechnology-derived proteins. This research was to compare this new technology to the current methods of SDS polyacrylamide gel electrophoresis (SDS-PAGE) and high-performance size-exclusion chromatography (HPSEC). The molecular mass of four different recombinant proteins were determined by two commercialized SDS non-acrylamide gel-filled capillary columns, SDS-PAGE, and HPSEC. The data obtained showed that the SDS non-acrylamide gel-filled capillary columns were compatible with the SDS-PAGE technique for molecular mass determination. HPSEC was shown to be unreliable for molecular weight determination. SDS non-acrylamide gel-filled capillary …