Department of Genetics, Harvard Medical School, Boston, MA 02115, USA.
Bioinformatics. 2009 Sep 15;25(18):2430-1. doi: 10.1093/bioinformatics/btp399. Epub 2009 Jun 27.
Haplotype assembly is becoming a very important tool in genome sequencing of human and other organisms. Although haplotypes were previously inferred from genome assemblies, there has never been a comparative haplotype browser that depicts a global picture of whole-genome alignments among haplotypes of different organisms. We introduce a whole-genome HAPLotype brOWSER (HAPLOWSER), providing evolutionary perspectives from multiple aligned haplotypes and functional annotations. Haplowser enables the comparison of haplotypes from metagenomes, and associates conserved regions or the bases at the conserved regions with functional annotations and custom tracks. The associations are quantified for further analysis and presented as pie charts. Functional annotations and custom tracks that are projected onto haplotypes are saved as multiple files in FASTA format. Haplowser provides a user-friendly interface, and can display alignments of haplotypes with functional annotations at any resolution.
Haplowser, written in Java, supports multiple platforms including Windows and Linux. Haplowser is publicly available at http://embio.yonsei.ac.kr/haplowser .
单体型组装正成为人类和其他生物基因组测序的重要工具。尽管单体型以前是从基因组组装中推断出来的,但从未有过一个比较单体型浏览器能够描绘出不同生物的单体型之间全基因组比对的全貌。我们引入了一个全基因组单体型浏览器(HAPLOWSER),提供了来自多个对齐单体型的进化视角和功能注释。Haplowser 能够比较宏基因组中的单体型,并将保守区域或保守区域中的碱基与功能注释和自定义轨道相关联。这些关联被量化以供进一步分析,并以饼图形式呈现。投射到单体型上的功能注释和自定义轨道被保存为 FASTA 格式的多个文件。Haplowser 提供了一个用户友好的界面,可以以任何分辨率显示带有功能注释的单体型的比对。
Haplowser 是用 Java 编写的,支持包括 Windows 和 Linux 在内的多个平台。Haplowser 可在 http://embio.yonsei.ac.kr/haplowser 上公开获取。