Abstract
The X and Y chromosomes of the mouse, like those of other mammals, are heteromorphic over most of their length, but at the distal ends of the chromosomes is a region of sequence identity, the pseudoautosomal region (PAR), where the chromosomes pair and recombine during male meiosis. The point at which the PAR diverges into X- and Y-specific sequences is called the pseudoautosomal boundary. We have completed a genomic walk from the X-specific Amelogenin gene to the PAR. Analysis of this region revealed that the pseudoautosomal boundary of mice is located within an intron of a transcribed gene that encodes a novel RING finger protein. The first three of the exons of the gene are located on the X chromosome whereas the 3′ exons of the gene are located on both X and Y chromosomes. This unusual arrangement may indicate that the gene is in a state of transition from pseudoautosomal to X-unique and provides evidence for a process of attrition of the pseudoautosomal region on the Y chromosome.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 10:31 a.m.) |
Deposited | 3 years, 2 months ago (June 6, 2022, 5:32 p.m.) |
Indexed | 4 weeks, 1 day ago (Aug. 7, 2025, 4:56 p.m.) |
Issued | 27 years, 10 months ago (Oct. 28, 1997) |
Published | 27 years, 10 months ago (Oct. 28, 1997) |
Published Online | 27 years, 10 months ago (Oct. 28, 1997) |
Published Print | 27 years, 10 months ago (Oct. 28, 1997) |
@article{Palmer_1997, title={A gene spans the pseudoautosomal boundary in mice}, volume={94}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.94.22.12030}, DOI={10.1073/pnas.94.22.12030}, number={22}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Palmer, Steve and Perry, Jo and Kipling, David and Ashworth, Alan}, year={1997}, month=oct, pages={12030–12035} }