Helicobacter Pylori
Copyright ©2005 Baishideng Publishing Group Inc.
World J Gastroenterol. Jun 7, 2005; 11(21): 3255-3259
Published online Jun 7, 2005. doi: 10.3748/wjg.v11.i21.3255
Figure 2
Figure 2 PCR amplification for constructing fragments with chloramphenicol resistance gene and gene allelic replacements. The length of cagA/P1-4, a 1.7-kb fragment, is equal to the sum of the length of cagA/P1-2, cagA/P3-4, and cam.