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- Title
Statistical indicators of collective behavior and functional clusters in gene networks of yeast.
- Authors
Živković, J.; Tadić, B.; Wick, N.; Thurner, S.
- Abstract
We analyze gene expression time-series data of yeast ( S. cerevisiae) measured along two full cell-cycles. We quantify these data by using q-exponentials, gene expression ranking and a temporal mean-variance analysis. We construct gene interaction networks based on correlation coefficients and study the formation of the corresponding giant components and minimum spanning trees. By coloring genes according to their cell function we find functional clusters in the correlation networks and functional branches in the associated trees. Our results suggest that a percolation point of functional clusters can be identified on these gene expression correlation networks.
- Subjects
GENE expression; TIME series analysis; AUTOCORRELATION (Statistics); PROBABILITY theory; ANALYSIS of variance
- Publication
European Physical Journal B: Condensed Matter, 2006, Vol 50, Issue 1/2, p255
- ISSN
1434-6028
- Publication type
Article
- DOI
10.1140/epjb/e2006-00103-4