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Case Reports
. 2001;95(3-4):225-7.
doi: 10.1159/000059349.

A case of azoospermia in a bull carrying a Y-autosome reciprocal translocation

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Case Reports

A case of azoospermia in a bull carrying a Y-autosome reciprocal translocation

L Iannuzzi et al. Cytogenet Cell Genet. 2001.

Abstract

During normal cytogenetic investigations on the Chianina cattle (BTA) breed, a normal looking young bull was found to carry an abnormal Y chromosome which was a product of a reciprocal translocation between chromosomes Y and 9. This was revealed by both CBA- and RBG-banding techniques and was clearly confirmed by FISH-mapping analysis with IDVGA50 (which paints the complete Yq arm in a normal Y), as well as with AMD1, CGA, IGF2R (mapping to BTA9q16, BTA9q22 and BTA9q27-->q28, respectively) and SRY (mapping to normal BTAYq23). Analysis on sperm from four different samples revealed azoospermia in the carrier, indicating that the rcp(Y;9) induces sterility in the bull.

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