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Int J Biol Sci. 2011;7(7):1037-44. Epub 2011 Aug 24.

Development and initial characterization of a HAPPY panel for mapping the X. tropicalis genome.

Author information

  • 1Department of Animal Sciences, Washington State University, Pullman, WA 99164-6351, USA. jiangz@wsu.edu

Abstract

HAPPY mapping was designed to pursue the analysis of approximately random HAPloid DNA breakage samples using the PolYmerase chain reaction for mapping genomes. In the present study, we improved the method and integrated two other molecular techniques into the process: whole genome amplification and the Sequenom SNP (single nucleotide polymorphism) genotyping assay in order to facilitate whole genome mapping of X. tropicalis. The former technique amplified enough DNA materials to genotype a large number of markers, while the latter allowed for relatively high throughput marker genotyping with multiplex assays on the HAPPY lines. A total of 58 X. tropicalis genes were genotyped on an initial panel of 383 HAPPY lines, which contributed to formation of a working panel of 146 lines. Further genotyping of 29 markers on the working panel led to construction of a HAPPY map for the X. tropicalis genome. We believe that our improved HAPPY method described in the present study has paved the way for the community to map different genomes with a simple, but powerful approach.

KEYWORDS:

HAPPY mapping; mapping X. tropicalis genome.; multiplex genotyping assay; whole genome amplification

PMID:
21912511
[PubMed - indexed for MEDLINE]
PMCID:
PMC3164153
Free PMC Article
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