Visualizing the genome: techniques for presenting human genome data and annotations

被引:21
作者
Loraine, AE [1 ]
Helt, GA [1 ]
机构
[1] Affymetrix Inc, Bioinformat Dept, Emeryville, CA 94608 USA
关键词
Alternative Splice; Protein Annotation; Zoom Level; Gene Prediction Program; Gestural Interaction;
D O I
10.1186/1471-2105-3-19
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Background: In order to take full advantage of the newly available public human genome sequence data and associated annotations, biologists require visualization tools ("genome browsers") that can accommodate the high frequency of alternative splicing in human genes and other complexities. Results: In this article, we describe visualization techniques for presenting human genomic sequence data and annotations in an interactive, graphical format. These techniques include: one-dimensional, semantic zooming to show sequence data alongside gene structures; color-coding exons to indicate frame of translation; adjustable, moveable tiers to permit easier inspection of a genomic scene; and display of protein annotations alongside gene structures to show how alternative splicing impacts protein structure and function. These techniques are illustrated using examples from two genome browser applications: the Neomorphic GeneViewer annotation tool and ProtAnnot, a prototype viewer which shows protein annotations in the context of genomic sequence. Conclusion: By presenting techniques for visualizing genomic data, we hope to provide interested software developers with a guide to what features are most likely to meet the needs of biologists as they seek to make sense of the rapidly expanding body of public genomic data and annotations.
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页数:8
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