Circoletto: visualizing sequence similarity with Circos 发表期刊、年份 Bioinformatics 2010 Institute of Agrobiotechnology, Centre for Research and Technology Hellas, Greece
Yet, there is great need for intutive ways to quickly understand their output, and interactive solutions have so far included linearly stacked pairs of ideograms, and highly efficient graph layouts of large numbers of nodes representing sequences and edges representing similarity.
最早是浏览 HomBlocks 这个工具的github主页时候发现这个工具的。最近可能会有这个需求,回过头仔细看一下这个工具的用法。
工具提供
各有优缺点:网页版对上传文件大小有限制,最大文件20M;本地版安装依赖Bioperl,Blast,Circos。Circos据传言安装起来非常麻烦。暂时先不尝试本地版。

#构建数据库
makeblastdb -in database.fasta -dbtype nucl -parse_seqids -out database_name
#blastn比对
blastn -query input.fasta -db database_name > output.txt上传运行

网页版工具有很多参数可选用来调节细节,这些参数的意义还需时间仔细琢磨!