EVALUATION OF THE DOMINANT PROTEIN FROM WHOLE-CELL HEATING METHOD USING MALDI-TOF/TOF MASS SPECTROMETRY
Keywords:STEC O157:H7, MALDI-TOF/TOF, SDS-PAGE, ompC
Immunoglobulin G (IgG) are the essential tools in diagnostic kits. The whole-cell is still considered to be used for animalâ€˜s immunization to produce IgG. The goal of this study was to determine dominant protein on the Shiga toxin-producing Escherichia coli (STEC) O157:H7-induced typical antibody response also determined by MALDI-TOF/TOF mass spectrometry. The heating method was conducted at 71 Â°C and 83 Â°C for antigen preparation. The proteins were characterized using SDS-PAGE and evaluated by MALDI-TOF/TOF mass spectrometry. The present study reported that the dominant polyclonal antibody inducing protein was ompC E. coli. The evaluation of mass spectra by MALDI-TOF/TOF might help to identify the dominant polyclonal antibody inducing protein in future preparation of diagnostic kits.
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Copyright (c) 2021 Siti Gusti Ningrum, I Wayan Teguh Wibawan
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