Abstract:
:A new polymorphism, Pc, has been identified in human saliva. Two proteins, Pc 1 and Pc 2, are determined by alleles Pc1 and Pc2, respectively, which show autosomal codominant inheritance. No null phenotype has been encountered in 225 randomly collected salivas. The frequencies of the two alleles differ in the Black and White American populations, with Pc1 and Pc2 being 0.670 and 0.330 in the Black (N = 47) and 0.461 and 0.539 in the White (N = 178) populations, respectively. The alleles are in equilibrium in the two populations and segregation analyses (30 families) do not suggest the existence of a null allele in either population. Of seven polymorphic human salivary proteins determined by genes in the salivary protein complex (SPC), Pc phenotypes show association only with Ps phenotypes. Based on that association, our linkage studies, and the biochemical similarities with other SPC proteins, we tentatively conclude that Pc is a member of the SPC, bringing the total number of genes in that group to 13.
journal_name
Biochem Genetjournal_title
Biochemical geneticsauthors
Karn RC,Goodman PA,Yu PLdoi
10.1007/BF00499111subject
Has Abstractpub_date
1985-02-01 00:00:00pages
37-51issue
1-2eissn
0006-2928issn
1573-4927journal_volume
23pub_type
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pub_type: 杂志文章
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