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- Title
Quantifying the distribution of probes between subcellular locations using unsupervised pattern unmixing.
- Authors
Coelho, Luis Pedro; Peng, Tao; Murphy, Robert F
- Abstract
Proteins exhibit complex subcellular distributions, which may include localizing in more than one organelle and varying in location depending on the cell physiology. Estimating the amount of protein distributed in each subcellular location is essential for quantitative understanding and modeling of protein dynamics and how they affect cell behaviors. We have previously described automated methods using fluorescent microscope images to determine the fractions of protein fluorescence in various subcellular locations when the basic locations in which a protein can be present are known. As this set of basic locations may be unknown (especially for studies on a proteome-wide scale), we here describe unsupervised methods to identify the fundamental patterns from images of mixed patterns and estimate the fractional composition of them.
- Publication
Bioinformatics (Oxford, England), 2010, Vol 26, Issue 12, pi7
- ISSN
1367-4811
- Publication type
Journal Article
- DOI
10.1093/bioinformatics/btq220