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Vol. 9, Issue 11, 1019-1025, November 1999

PERSPECTIVE
Hunting with Traps: Genome-Wide Strategies for Gene Discovery and Functional Analysis

Kyle Durick, John Mendlein, and Kleanthis G. Xanthopoulos1

Aurora Biosciences Corporation, San Diego, California 92121 USA

With sequence analysis of the human genome well underway, there is an increasingly urgent challenge to understand the fundamental function and interplay of genes that build and maintain an organism. Several approaches will be critical for interpreting gene function, including random cDNA sequencing, expression profiling in different tissues, genetic analysis of human or model organism phenotypes, and creation of transgenic or "knockout" animals. Traditional gene-trapping approaches, in which genes are randomly disrupted with DNA elements inserted throughout the genome, have been used to generate large numbers of mutant organisms for genetic analysis. Recent modifications of gene-trapping methods and their increased use in mammalian systems are likely to result in a wealth of new information on gene function. Various trapping strategies allow genes to be segregated based on criteria like the specific subcellular location of an encoded protein, the tissue expression profile, or responsiveness to specific stimuli. Genome-wide gene-trapping strategies, which integrate gene discovery and expression profiling, can be applied in a massively parallel format to produce living assays for drug discovery.

1 Corresponding author.

9:1019-1025 ©1999 by Cold Spring Harbor Laboratory Press  ISSN 1088-9051/99 $5.00
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