
pmid: 1733862
Chromosome 21 has often been used as a model system for the development of genome mapping and cloning strategies in humans. In this report methods for systematic chromosome walking, cloning, and mapping are exemplified in the construction of a 1.5-Mb yeast artificial chromosome (YAC) contig encompassing and extending 400 kb beyond each of the genetic loci D21S13 and D21S16. Isolation of insert-terminal sequences from YACs in this contig provides a set of closely spaced physical markers. These have been used to generate a long-range genomic restriction map.
Genetic Markers, Base Sequence, Chromosomes, Human, Pair 21, Genome, Human, Molecular Sequence Data, Restriction Mapping, Chromosome Mapping, DNA, Polymerase Chain Reaction, Cell Line, Electrophoresis, Gel, Pulsed-Field, Chromosome Walking, Humans, Chromosomes, Fungal, Cloning, Molecular, DNA Probes, Dinucleoside Phosphates, Gene Library, Repetitive Sequences, Nucleic Acid
Genetic Markers, Base Sequence, Chromosomes, Human, Pair 21, Genome, Human, Molecular Sequence Data, Restriction Mapping, Chromosome Mapping, DNA, Polymerase Chain Reaction, Cell Line, Electrophoresis, Gel, Pulsed-Field, Chromosome Walking, Humans, Chromosomes, Fungal, Cloning, Molecular, DNA Probes, Dinucleoside Phosphates, Gene Library, Repetitive Sequences, Nucleic Acid
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