期刊
IEEE-ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS
卷 7, 期 1, 页码 64-79出版社
IEEE COMPUTER SOC
DOI: 10.1109/TCBB.2008.49
关键词
Bioinformatics visualization; multimodal visualization; integrating Infovis/Scivis; visual data mining; three-dimensional gene expression; data clustering; cluster visualization; gene expression pattern; temporal expression variation; gene regulation; spatial expression pattern
类别
资金
- National Institutes of Health [GM70444]
- US National Science Foundation [ACI 9624034, ACI 9982251]
- Lawrence Berkeley National Laboratory (LBNL) Laboratory Directed Research Development (LDRD)
- Information Technology Research (ITR)
- Department of Energy [DE-AC02-05CH11231]
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM070444] Funding Source: NIH RePORTER
The recent development of methods for extracting precise measurements of spatial gene expression patterns from three-dimensional (3D) image data opens the way for new analyses of the complex gene regulatory networks controlling animal development. We present an integrated visualization and analysis framework that supports user-guided data clustering to aid exploration of these new complex data sets. The interplay of data visualization and clustering-based data classification leads to improved visualization and enables a more detailed analysis than previously possible. We discuss 1) the integration of data clustering and visualization into one framework, 2) the application of data clustering to 3D gene expression data, 3) the evaluation of the number of clusters k in the context of 3D gene expression clustering, and 4) the improvement of overall analysis quality via dedicated postprocessing of clustering results based on visualization. We discuss the use of this framework to objectively define spatial pattern boundaries and temporal profiles of genes and to analyze how mRNA patterns are controlled by their regulatory transcription factors.
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