Diversity of Helicobacter pylori vacA gene and cytotoxin production

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Diversity of Helicobacter pylori vacA gene and cytotoxin production G. Gościniak, A. Gaszewska-Mastalarz, A. Przondo-Mordarska, J. Zakrzeivska-Czenvińska, B. Iwańczak, E. Poniewierka Clinical Microbiology and Infection Volume 5, Issue 11, Pages 662-667 (November 1999) DOI: 10.1111/j.1469-0691.1999.tb00511.x Copyright © 1999 European Society of Clinical Infectious Diseases Terms and Conditions

Figure 1 An example of vacA middle-region typing. The middle region of vacA was amplified by PCR using pairs of primers. VA3-F and VA3-R or VA4-F and VA4-R, designated for identification of m1 or m2 allelic types respectively [5]. M, molecular weight marker VIII. Clinical Microbiology and Infection 1999 5, 662-667DOI: (10.1111/j.1469-0691.1999.tb00511.x) Copyright © 1999 European Society of Clinical Infectious Diseases Terms and Conditions

Figure 2 Frequency of vacuolating cytotoxin production by strains of H. pylori isolated from children and adults. Clinical Microbiology and Infection 1999 5, 662-667DOI: (10.1111/j.1469-0691.1999.tb00511.x) Copyright © 1999 European Society of Clinical Infectious Diseases Terms and Conditions