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ContigScape: a Cytoscape plugin facilitating microbial genome gap closing.


ABSTRACT: BACKGROUND: With the emergence of next-generation sequencing, the availability of prokaryotic genome sequences is expanding rapidly. A total of 5,276 genomes have been released since 2008, yet only 1,692 genomes were complete. The final phase of microbial genome sequencing, particularly gap closing, is frequently the rate-limiting step either because of complex genomic structures that cause sequence bias even with high genomic coverage, or the presence of repeat sequences that may cause gaps in assembly. RESULTS: We have developed a Cytoscape plugin to facilitate gap closing for high-throughput sequencing data from microbial genomes. This plugin is capable of interactively displaying the relationships among genomic contigs derived from various sequencing formats. The sequence contigs of plasmids and special repeats (IS elements, ribosomal RNAs, terminal repeats, etc.) can be displayed as well. CONCLUSIONS: Displaying relationships between contigs using graphs in Cytoscape rather than tables provides a more straightforward visual representation. This will facilitate a faster and more precise determination of the linkages among contigs and greatly improve the efficiency of gap closing.

SUBMITTER: Tang B 

PROVIDER: S-EPMC3651407 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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ContigScape: a Cytoscape plugin facilitating microbial genome gap closing.

Tang Biao B   Wang Qi Q   Yang Minjun M   Xie Feng F   Zhu Yongqiang Y   Zhuo Ying Y   Wang Shengyue S   Gao Hong H   Ding Xiaoming X   Zhang Lixin L   Zhao Guoping G   Zheng Huajun H  

BMC genomics 20130430


<h4>Background</h4>With the emergence of next-generation sequencing, the availability of prokaryotic genome sequences is expanding rapidly. A total of 5,276 genomes have been released since 2008, yet only 1,692 genomes were complete. The final phase of microbial genome sequencing, particularly gap closing, is frequently the rate-limiting step either because of complex genomic structures that cause sequence bias even with high genomic coverage, or the presence of repeat sequences that may cause g  ...[more]

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