title: A complete YAC contig of the Prader-Willi/Angelman chromosome region (15q11-q13) and refined localization of the SNRPN gene.
abstract: Since a previous report of a partial YAC contig of the Prader-Willi/Angelman chromosome region (15q11-q13), a complete contig spanning approximately 3.5 Mb has been developed. YACs were isolated from two human genomic libraries by PCR and hybridization screening methods. Twenty-three sequence-tagged sites (STSs) were mapped within the contig, a density of approximately 1 per 200 kb. Overlaps between YAC clones were identified by Alu-PCR dot-blot analysis and confirmed by STS mapping or hybridization with ends of YAC inserts. The gene encoding small nuclear ribonucleoprotein-associated peptide N (SNRPN), recently identified as a candidate gene for Prader-Willi syndrome, was localized within this contig between markers PW71 and TD3-21. Loci mapped within and immediately flanking the Prader-Willi/Angelman chromosome region contig are ordered as follows: cen-IR39-ML34-IR4-3R-TD189-1-PW71-SNRPN -TD3-21- LS6-1-GABRB3,D15S97-GABRA5-IR10-1-CMW1+ ++-tel. This YAC contig will be a useful resource for more detailed physical mapping of the region, for generation of new DNA markers, and for mapping or cloning candidate genes for the Prader-Willi and Angelman syndromes.
authors.affiliation: Institute for Molecular Genetics and Human Genome Center, Baylor College of Medicine, Houston, Texas 77030.
authors.forename: A
authors.initials: A
authors.lastname: Mutirangura
authors.forename: A
authors.initials: A
authors.lastname: Jayakumar
authors.forename: J S
authors.initials: JS
authors.lastname: Sutcliffe
authors.forename: M
authors.initials: M
authors.lastname: Nakao
authors.forename: M J
authors.initials: MJ
authors.lastname: McKinney
authors.forename: K
authors.initials: K
authors.lastname: Buiting
authors.forename: B
authors.initials: B
authors.lastname: Horsthemke
authors.forename: A L
authors.initials: AL
authors.lastname: Beaudet
authors.forename: A C
authors.initials: AC
authors.lastname: Chinault
authors.forename: D H
authors.initials: DH
authors.lastname: Ledbetter
mesh_terms: D017204:Angelman Syndrome / Q000235:genetics*; D001324:Autoantigens / Q000235:genetics*; D001483:Base Sequence; D002874:Chromosome Mapping; D018244:Chromosomes, Artificial, Yeast; D002884:Chromosomes, Human, Pair 15; D017931:DNA Primers; D015342:DNA Probes; D005260:Female; D015723:Gene Library; D005819:Genetic Markers; D006801:Humans; D008297:Male; D008969:Molecular Sequence Data; D016133:Polymerase Chain Reaction; D011218:Prader-Willi Syndrome / Q000235:genetics*; D017411:Ribonucleoproteins, Small Nuclear; D055517:snRNP Core Proteins
chemical_list: D001324:Autoantigens; D017931:DNA Primers; D015342:DNA Probes; D005819:Genetic Markers; D017411:Ribonucleoproteins, Small Nuclear; C526417:SNRPN protein, human; D055517:snRNP Core Proteins