The genetic diversity of Mycoplasma capricolum subsp. capripneumoniae strains based on determination of amplified fragment length polymorphisms (AFLP) is described. AFLP fingerprints of 38 strains derived from different countries in Africa and the Middle East consisted of over 100 bands in the size range of 40-500 bp. The similarity between individual AFLP profiles, calculated by Jaccard's coefficient, ranged from 0.92 to 1.0. On the basis of the polymorphisms detected, the analysed strains can explicitly be grouped into two major clusters, equivalent to two evolutionary lines of the organism found by 16S rDNA analysis. The present data support previous observations regarding genetic homogeneity of M. capricolum subsp. capripneumoniae, and confirm the two evolutionary lines of descent found by analysis of 16S rRNA genes.
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Kokotovic et al. (2000) studied this question.
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