Characterization of two chromosome 12 cosmid libraries and development of STSs from cosmids mapped by FISH
Journal Article
·
· Genomics; (United States)
- Albert Einstein College of Medicine, Bronx, NY (United States)
- Yale Univ., New Haven, CT (United States)
- Roswell Park Memorial Institute, Buffalo, NY (United States)
The authors have constructed and characterized two related human chromosome 12-specific cosmid libraries. DNA from flow-sorted chromosomes from a somatic cell hybrid was cloned into a cosmid vector. Approximately 61% of the cosmids in the nearly 26,200 member arrayed libraries (LL12NC01 and LL12NC02) contain human DNA inserts, and 31% of the cosmids derived from human DNA contain CA repeats. One hundred and fifty-two cosmids isolated from the libraries have been mapped by fluorescence in situ hybridization (FISH). Cosmids containing human DNA inserts were localized by FISH exclusively to chromosome 12, confirming the chromosomal specificity of the libraries. The cosmids have been localized to all parts of this chromosome, although some regions are more highly represented than others. Partial sequence information was obtained from 44 mapped cosmids, and oligonucleotide primer pairs were synthesized that define unique sequence tagged sites (STSs). These mapped cosmids, and unique STSs derived from them, provide a set of useful clones and primer pairs for screening YAC libraries and developing contigs centered on regions of interest within chromosome 12. In addition, 120 of the mapped cosmids contain CA repeats, and thus they also provide a useful resource for defining highly polymorphic simple tandem repeat elements that serve as genetic markers for linkage analysis and disease gene localization. 56 refs., 4 figs., 2 tabs.
- OSTI ID:
- 6974903
- Journal Information:
- Genomics; (United States), Journal Name: Genomics; (United States) Vol. 17:3; ISSN 0888-7543; ISSN GNMCEP
- Country of Publication:
- United States
- Language:
- English
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