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Antigenic Variation In Mycoplasma Genitalium Reduces Antibody-Antigen Association Kinetics, Suzanne M. Stafford
Antigenic Variation In Mycoplasma Genitalium Reduces Antibody-Antigen Association Kinetics, Suzanne M. Stafford
Honors Projects
Infections caused by Mycoplasma genitalium, a human genital tract pathogen, often persist for months to years. Antigenic variation of the immunodominant adhesin proteins, MgpB and MgpC, is thought to enhance persistence by avoiding specific antibody-dependent immune clearance. We used surface plasmon resonance (SPR) to study the binding of antibodies from immunized rabbits and experimentally infected primates to recombinant MgpB protein fragments. Primate antibodies collected from 2 weeks before to 2, 4, and 8 weeks after infection associated specifically with two different domains of the MgpB adherence protein (variable region B and a conserved C-terminal region) bound via amine coupling …