Molecular Biology and Evolution, Vol 15, 129-137, Copyright © 1998 by Society for Molecular Biology and Evolution
CM Johnston, SM Shimeld and PT Sharpe
Members of the ZFY and ZNF6 gene families have been cloned from species
representing different taxa and different modes of sex determination.
Comparisons of these genes show the ZFY-like and ZNF6 sequences to be
strongly conserved across marsupials, birds, and lepidosaurians. Sequence
analyzed by neighbor-joining indicated that both gene families are
monophyletic with a high bootstrap value. Pairing of sequences from males
and females of nonmammalian species showed there to be no significant
difference between male and female sequences from a single species,
consistent with autosomal locations. The molecular distances between murine
Zfy-1, Zfy-2, and other ZFY-like sequences suggested that Zfy genes have
undergone a period of rapid evolutionary change not seen in human ZFY.
ORIGINAL ARTICLE
Molecular evolution of the ZFY and ZNF6 gene families
Department of Craniofacial Development, Guy's Hospital, London, U.K.
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