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Study of the S-Layer Protein in Legionella pneumophila and Listeria monocytogenes | ||
| Rafidain Journal of Science | ||
| Article 7, Volume 19, Issue 6, 2008, Pages 87-96 PDF (0 K) | ||
| DOI: 10.33899/rjs.2008.41414 | ||
| Authors | ||
| Mayada A. Al-Taee; Ghada A. Al-Taee; Amera M. Al-Rawi | ||
| Abstract | ||
| The presence of surface layer was detected in each of Legionella pneumphila (gram negative) and Listeria monocytogenes (gram positive) by extraction of S-layer proteins then separated by using sodium dodecyle sulphate poly acrylamide gel electrophorasis (SDS-PAGE). Five proteins bands appeared for both types of bacteria. The freezing effect on the S-layer protein of L. monocytogenes was studied by exposure to low temperature at -20C for three months. Six protein bands were detected,, as well as their differences in approximate molecular weights for the freezing isolate in comparison with non-frozen isolate. | ||
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