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Polymorphism of phosphogluconate dehydrogenase (PGD) in New World monkeys: taxonomic significance

Iracilda Sampaio; Maria Paula Cruz Schneider; Carmem Maria Leitão Barroso; Horacio Schneider

Departamento de Genética, Universidade Federal do Pará, Campus Universitário de Guamá, Caixa Postal 8607, 66075-900 Belém, PA, Brasil. Send correspondence to I.S.

ABSTRACT

Phosphogluconate dehydrogenase (PGD) polymorphism in 23 species of 13 genera of New World monkeys was investigated. The occurrence of 21 codominant autosome alleles may explain the total electrophoretic variation encountered. The only alleles shared by two or more genera were PGD*11 and PGD*15, the former grouping Aotus, Cacajao, Chiropotes, Saimiri, Cebuella, Callithrix and Saguins, and the latter Alouatta, Lagothrix, Callicebus and Cebos. The intergeneric groupings obtained are compared with the most recent taxonomic classifications for the New World monkeys.

Keywords: polymorphism; phosphogluconate dehydrogenase; New World monkeys.

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