A bovine homologue of the human TSPY gene.

We have isolated a male-specific bovine genomic homologue of the human TSPY gene (testis-specific protein, Y-encoded). Two specific transcripts can be detected in bovine testicular RNA. The cloned sequence represents one copy of a clustered array of some 50-200 related sequences on the Y chromosome resembling the arrangement present in the human genome. The clone isolated from the bovine genome has two regions that are highly conserved between homo and bos. One stretch of DNA is homologous in 45 of 51 bp (88%), and the other stretch shares 71 of 100 bp (71%).