Abstract:
:Neurofibromatosis 1 maps to chromosome band 17q11.2, and the NF1 locus has been partially characterized. Even though the full-length NF1 cDNA has been sequenced, the complete genomic structure of the NF1 gene has not been elucidated. The 5' end of NF1 is embedded in a CpG island containing a NotI restriction site, and the remainder of the gene lies in the adjacent 350-kb NotI fragment. In our efforts to develop a comprehensive screen for NF1 mutations, we have isolated genomic DNA clones that together harbor the entire NF1 cDNA sequence. We have identified all intron-exon boundaries of the coding region and established that it is composed of 59 exons. Furthermore, we have defined the 3'-untranslated region (3'-UTR) of the NF1 gene; it spans approximately 3.5 kb of genomic DNA sequence and is continuous with the stop codon. Oligonucleotide primer pairs synthesized from exon-flanking DNA sequences were used in the polymerase chain reaction with cloned, chromosome 17-specific genomic DNA as template to amplify NF1 exons 1 through 27b and the exon containing the 3'-UTR separately. This information should be useful for implementing a comprehensive NF1 mutation screen using genomic DNA as template.
journal_name
Genomicsjournal_title
Genomicsauthors
Li Y,O'Connell P,Breidenbach HH,Cawthon R,Stevens J,Xu G,Neil S,Robertson M,White R,Viskochil Ddoi
10.1016/0888-7543(95)80104-tsubject
Has Abstractpub_date
1995-01-01 00:00:00pages
9-18issue
1eissn
0888-7543issn
1089-8646pii
0888-7543(95)80104-Tjournal_volume
25pub_type
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