Faculty Research 1980 - 1989

Title

Autosomal genes involved in mammalian primary sex determination.

Authors

E M. Eicher

Document Type

Article

Publication Date

1988

Keywords

Chromosome-Deletion, Female, Genes, Male, Mammals: ph, Mice, Mice-Inbred-C57BL, Review, Review-Tutorial, Sex-Determination, Sex-Reversal-Gonadal, SUPPORT-U-S-GOVT-P-H-S

JAX Location

1739

JAX Source

Philos Trans R Soc Lond [Biol] 1988 Dec 1; 322(1208):109-18.

Grant

GM20919

Abstract

Beginning with findings made during the late 1950s and early 1960s, evidence continues to accumulate in support of the hypothesis that the mammalian Y chromosome carries a gene that induces the undifferentiated foetal gonad in XY individuals to develop as a testis. Recently a DNA sequence has been isolated from the human Y chromosome that appears to be the hypothesized Y-linked testis-determining gene, and advances have also been made toward identifying genes that interact with the Y-linked testis-determining (Tdy) gene to initiate testis formation. These loci have been identified in specific stocks of mice carrying the mutant Thp or TOrl allele at the T locus located on chromosome 17, and in crosses involving the transfer of a Y chromosome from two populations of Mus domesticus into the genomes of specific inbred strains of mice. The data in both cases support the hypothesis that there are several loci involved in testis determination and that abnormal interaction of these loci disrupts initiation of testis determination, resulting in development of ovarian tissue in XY individuals.

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