Document Type
Article
Publication Date
1-1-1999
Publication Title
BioTechniques
Abstract
A chemiluminescent approach for sequential DNA hybridizations to high- density filter arrays of cDNAs, using a biotin-based random priming method followed by a streptavidin/alkaline phosphatase/CDP-Star(TM) detection protocol, is presented. The method has been applied to the Brugia malayi genome project, wherein cDNA libraries, cosmid and bacterial artificial chromosome (BAC) libraries have been gridded at high density onto nylon filters for subsequent analysis by hybridization. Individual probes and pools of rRNA probes, ribosomal protein probes and expressed sequence tag probes show correct specificity and high signal-to-noise ratios even after ten rounds of hybridization, detection, stripping of the probes from the membranes and rehybridization with additional probe sets. This approach provides a subtraction method that leads to a reduction in redundant DNA sequencing, thus increasing the rate of novel gene discovery. The method is also applicable for detecting target sequences, which are present in one or only a few copies per cell; it has proven useful for physical mapping of BAC and cosmid high-density filter arrays, wherein multiple probes have been hybridized at one time (multiplexed) and subsequently 'deplexed' into individual components for specific probe localizations.
Volume
27
Issue
1
First Page
146
Last Page
152
DOI
10.2144/99271rr03
ISSN
07366205
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.
Recommended Citation
Guiliano, D.; Ganatra, M.; Ware, J.; Parrot, J.; Daub, J.; Moran, L.; Brennecke, H.; Foster, J. M.; Supali, T.; Blaxter, M.; Scott, A. L.; Williams, Steven A.; and Slatko, B. E., "Chemiluminescent Detection of Sequential DNA Hybridizations to High- Density, Filter-Arrayed cDNA Libraries: A Subtraction Method for Novel Gene Discovery" (1999). Biological Sciences: Faculty Publications, Smith College, Northampton, MA.
https://scholarworks.smith.edu/bio_facpubs/170
Comments
Archived as published. Open access paper.