J Bacteriol Virol.
2005 Jun;35(2):77-85.
Application of Hemin-Agarose Affinity Chromatography to Enrich Proteome Components of Helicobacter pylori Strain 26695
- Affiliations
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- 1Department of Microbiology, Gyeongsang National University College of Medicine, Korea. scbaik@gaechuk.gsnu.ac.kr
- 2Gyeongsang Institute of Health Science, 90 Chiram-dong, Jinju, Gyeongsangnam-do 660-751, Korea.
- 3Research Institute of Life Science and Central Laboratory, Gyeongsang National University, 900 Gajwa-dong, Jinju, Gyeongsangnam-do 660-751, Korea.
Abstract
- The whole cell extract of Helicobacter pylori strain 26695 was treated with the hemin-agarose resin and the bound fraction was analyzed by 2-Dimensional electrophoresis. The 2-D-PAGE-displayed spots were eluted and analyzed by matrix-assisted laser desorption ionization mass spectrometry (MALDI-MS). Among the 120 spots processed, 94 protein spots were identified to represent 58 genes. Forty-five protein spots that represented thirty-four genes were newly identified in this study, including iron-containing proteins and hemin-containg proteins such as fumarate reductase, iron-sufur subunit(FrdB), ribonucleoside diphosphate reductase, beta subunit (NrdB), glutamyl-tRNA reductase (HemA), nikel-cobalt-cadnium resistance protein (NccB), and porphobilinogen deaminase (HemC).