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Title

Mapping of the gene for the p60 subunit of the human chromatin assembly factor (CAF1A) to the Down syndrome region of chromosome 21

Authors
Chen, H.
Gos, A.
Published in Genomics. 1996, vol. 33, no. 2, p. 309-312
Abstract Exon trapping was used to clone portions of genes from the Down syndrome critical region (DSCR) of human chromosome 21. One trapped sequence showed complete homology with nucleotide sequence U20980 (GenBank), which corresponds to the gene for the p60 subunit of the human chromatin assembly factor-1 (CAF1A). We mapped this gene to human chromosome 21 by fluorescence in situ hybridization, by the use of somatic cell hybrids, and by hybridization to chromosome 21-specific YACs and cosmids. The CAF1A gene localizes to YACs 745H11 and 230E8 of the Chumakov et al. (1992, Nature 359: 380) YAC contig, within the DSCR on 21q22. This CAF1A, which belongs to the WD-motif family of genes and interacts with other polypeptide subunits to promote assembly of histones to replicating DNA, may contribute in a gene dosage-dependent manner to the phenotype of Down syndrome.
Keywords AnimalsBase SequenceCell LineChromatin Assembly Factor-1Chromosomal Proteins, Non-HistoneChromosome MappingChromosomes, Artificial, YeastChromosomes, Human, Pair 21DNA PrimersDNA-Binding Proteins/ geneticsDown Syndrome/ geneticsHumansHybrid CellsIn Situ Hybridization, FluorescenceMiceMolecular Sequence DataPolymerase Chain Reaction
Identifiers
PMID: 8660983
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BLOUIN, Jean-Louis et al. Mapping of the gene for the p60 subunit of the human chromatin assembly factor (CAF1A) to the Down syndrome region of chromosome 21. In: Genomics, 1996, vol. 33, n° 2, p. 309-312. https://archive-ouverte.unige.ch/unige:8648

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