Construction of a genome-wide human BAC-Unigene resource. Final progress report, 1989--1996

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Currently, over 30,000 mapped STSs and 27,000 mapped Unigenes (non-redundant, unigene sets of cDNA representing EST clusters) are available for human alone. A total of 44,000 Unigene cDNA clones have been supplied by Research Genetics. Unigenes, or cDNAs are excellent resource for map building for two reasons. Firstly, they exist in two alternative forms -- as both sequence information for PCR primer pairs, and cDNA clones -- thus making library screening by colony hybridization as well as pooled library PCR possible. The authors have developed an efficient and robust procedure to screen genomic libraries with large number of DNA probes. ... continued below

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Lim, C.S.; Xu, R.X. & Wang, M. December 31, 1996.

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Description

Currently, over 30,000 mapped STSs and 27,000 mapped Unigenes (non-redundant, unigene sets of cDNA representing EST clusters) are available for human alone. A total of 44,000 Unigene cDNA clones have been supplied by Research Genetics. Unigenes, or cDNAs are excellent resource for map building for two reasons. Firstly, they exist in two alternative forms -- as both sequence information for PCR primer pairs, and cDNA clones -- thus making library screening by colony hybridization as well as pooled library PCR possible. The authors have developed an efficient and robust procedure to screen genomic libraries with large number of DNA probes. Secondly, the linkage and order of expressed sequences, or genes are highly conserved among human, mouse and other mammalian species. Therefore, mapping with cDNA markers rather than random anonymous STSs will greatly facilitate comparative, evolutionary studies as well as physical map building. They have currently deconvoluted over 10,000 Unigene probes against a 4X coverage human BAC clones from the approved library D by high density colony hybridization method. 10,000 batches of Unigenes are arrayed in an imaginary 100 X 100 matrix from which 100 row pools and 100 column pools are obtained. Library filters are hybridized with pooled probes, thus reducing the number of hybridization required for addressing the positives for each Unigene from 10,000 to 200. Details on the experimental scheme as well as daily progress report is posted on the Web site (http://www.tree.caltech.edu).

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1 p.

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OSTI as DE98007341

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  • Other Information: PBD: [1996]

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  • Other: DE98007341
  • Report No.: DOE/ER/60891--T8
  • Grant Number: FG03-89ER60891
  • DOI: 10.2172/656464 | External Link
  • Office of Scientific & Technical Information Report Number: 656464
  • Archival Resource Key: ark:/67531/metadc711003

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  • December 31, 1996

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 20, 2017, 3:51 p.m.

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Lim, C.S.; Xu, R.X. & Wang, M. Construction of a genome-wide human BAC-Unigene resource. Final progress report, 1989--1996, report, December 31, 1996; Pasadena, California. (digital.library.unt.edu/ark:/67531/metadc711003/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.