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Comparative Study
. 1996 Jun;34(6):1548-50.
doi: 10.1128/jcm.34.6.1548-1550.1996.

The porA alleles are identical in subgroup III serogroup A Neisseria meningitidis strains isolated in China in the 1960s and 1980s

B Malorny  1 , M C Maiden, M Achtman
Affiliations
Comparative Study

The porA alleles are identical in subgroup III serogroup A Neisseria meningitidis strains isolated in China in the 1960s and 1980s

B Malorny et al. J Clin Microbiol. 1996 Jun.

Abstract

The porA genes from serogroup A, subgroup III strains isolated in the People's Republic of China in 1966 and in 1984 and 1985 were amplified by PCR at an annealing temperature of 75 degrees C. The DNA sequences (5 strains) and the restriction patterns generated by MspI (14 strains) were identical, unlike the results reported by Peixuan et al. (Z. Peixuan, H. Xujing, and X. Li, J. Clin. Microbiol. 33:458-462, 1995). Furthermore, PCR products which were amplified at an annealing temperature of 60 degrees C, as described by Peixuan et al., were heterogeneous in our study.

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