首页> 外文会议>Computational Intelligence in Bioinformatics and Computational Biology, 2009. CIBCB '09 >Clustering incorporating shortest paths identifies relevant modules in functional interaction networks
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Clustering incorporating shortest paths identifies relevant modules in functional interaction networks

机译:包含最短路径的聚类可识别功能交互网络中的相关模块

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Many biological systems can be modeled as networks. Hence, network analysis is of increasing importance to systems biology. We describe an evolutionary algorithm for selecting clusters of nodes within a large network based upon network topology together with a measure of the relevance of nodes to a set of independently identified genes of interest. We apply the algorithm to a previously published integrated functional network of yeast genes, using a set of query genes derived from a whole genome screen of yeast strains with a mutation in a telomere uncapping gene. We find that the algorithm identifies biologically plausible clusters of genes which are related to the cell cycle, and which contain interactions not previously identified as potentially important. We conclude that the algorithm is valuable for the querying of complex networks, and the generation of biological hypotheses.
机译:许多生物系统可以建模为网络。因此,网络分析对系统生物学的重要性日益增加。我们描述了一种进化算法,用于根据网络拓扑选择大型网络中节点的群集以及节点与一组独立识别的目标基因相关性的度量。我们将算法应用于酵母基因的先前发布的集成功能网络,使用一组查询基因,该查询基因来自端粒解键基因突变的酵母菌株的全基因组筛选。我们发现,该算法可以识别与细胞周期相关的基因的生物学上合理的簇,并且其中包含的相互作用以前并未被确定为潜在重要。我们得出结论,该算法对于复杂网络的查询以及生物学假设的产生都是有价值的。

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