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Fuzzy Classification of Genome Sequences Prior to Assembly Based on Similarity Measures

机译:基于相似性度量的装配前基因组序列的模糊分类

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Nucleotide sequencing of genomic data is an important step towards building understanding of gene expression. Current limitations in sequencing limit the number of base pairs that can be processed to only several hundred at a time. Consequently, these sequenced substrings need to be assembled into the overall genome. However, the existence of insertions, deletions and substitutions can complicate the assembly of subsequences and confuse existing methods. What has been needed is an approach that deals with ambiguity in trying to match and assemble a genome from its sequenced subsequences. This research develops fuzzy similarity measures between subsequences that are then incorporated into an assembler based on fuzzy logic and fuzzy similarity measures. The research addresses the problem of extensive computation required by clustering data into meaningful groups. Preliminary evaluation of this approach in conjunction with K-Means clustering suggests that this approach is at least as good as standard approaches and in some cases better.
机译:基因组数据的核苷酸测序是建立对基因表达的了解的重要一步。目前测序的局限性限制了一次只能处理几百个碱基对的数目。因此,这些测序的子串需要组装到整个基因组中。但是,插入,删除和替换的存在会使子序列的组装复杂化,并混淆现有方法。所需要的是一种处理歧义的方法,该方法试图从已测序的子序列中匹配和组装基因组。这项研究开发了子序列之间的模糊相似性度量,然后基于模糊逻辑和模糊相似性度量将它们合并到汇编程序中。该研究解决了将数据聚类为有意义的组所需的大量计算问题。结合K-Means聚类对该方法进行的初步评估表明,该方法至少与标准方法一样好,在某些情况下更好。

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