| 摘要 |
The invention provides methods for multiplexing readouts from multiple hybridization-based assays that each comprise one or more hybridization or annealing steps and one or more enzymatic processing steps. In one aspect, the invention permits simultaneously analysis of a plurality of genomes by separately hybridizing a set of probes with the different genomes to form sets of probe-genome complexes in separate reaction mixtures that are combined and enzymatically treated to form amplifiable probes. From such amplifiable probes, labeled probes are produced so that for each different locus of each different genome there is a unique labeled probe, which are then specifically hybridized to their respective complements on a microarray. In another aspect, labeled oligonucleotide tags are produced from amplifiable probes. The invention is useful in applications of multiplexed hybridization-based assays for measuring characteristics of genomic samples taken from many different individuals. By conducting hybridization steps separately on samples different individuals then combining them for enzymatic processing, one takes advantage of natural reaction rate differences between hybridization reactions and enzymatic reactions to enable analysis of products of multiple assays on a single readout platform.
|
