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  • 1
    ISSN: 1573-4927
    Keywords: α1-acid glycoprotein ; apes ; gene duplication ; orosomucoid ; polymorphism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract It has been demonstrated that human orosomucoid (ORM) is controlled by more than one functional loci, whileMacaca ORM is controlled by one locus. To examine the time when the ORM gene was duplicated in the evolution of primates, plasma samples from 118 apes (family Pongidae) belonging to 4 genera and 12 species were investigated for ORM polymorphism using isoelectric focusing followed by immunoprinting. The band patterns of ORM in the subfamily Ponginae showed quantitatively different products as in humans. A pedigree study of common chimpanzees supported the two-locus model for ORM. Gibbons (subfamily Hylobatinae) displayed highly variable band patterns, but the number of loci was not determined unequivocally. Thus, this study shows that duplication of theORM gene in primates occurred either before or after the divergence of Hylobatinae and Ponginae, consistent with a previous prediction from the molecular evolutionary rate of ORM.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-4927
    Keywords: α1-acid glycoprotein ; apes ; gene duplication ; orosomucoid ; polymorphism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract It has been demonstrated that human orosomucoid (ORM) is controlled by more than one functional loci, whileMacaca ORM is controlled by one locus. To examine the time when the ORM gene was duplicated in the evolution of primates, plasma samples from 118 apes (family Pongidae) belonging to 4 genera and 12 species were investigated for ORM polymorphism using isoelectric focusing followed by immunoprinting. The band patterns of ORM in the subfamily Ponginae showed quantitatively different products as in humans. A pedigree study of common chimpanzees supported the two-locus model for ORM. Gibbons (subfamily Hylobatinae) displayed highly variable band patterns, but the number of loci was not determined unequivocally. Thus, this study shows that duplication of theORM gene in primates occurred either before or after the divergence of Hylobatinae and Ponginae, consistent with a previous prediction from the molecular evolutionary rate of ORM.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
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