BF phenotype distribution in five populations of Spain: anthropological considerations.
1994
: The genetic polymorphism of the human Properdin Factor B (BF) in five populations of the Iberian Peninsula (Galicia, Castilla-Leon, Castilla-La Mancha, Extremadura and Western Andalusia) was analysed by means of Isoelectric Focusing in polyacrylamide gels followed by Immunofixation-Silver Staining. Statistical analysis of heterogeneity showed significant differences in the distribution of BF allele frequencies among the Iberian populations so far examined. The high allele frequencies obtained for BF*F and BF*F1 give support to the allelocline distribution hypothesis in the European continent (regression analysis between allele frequency and latitude: r = -0.6237 and r+ -0.8058, for BF*F1 and BF*F respectively).
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