Abstract:
:To effectively analyze the increasing amounts of available genomic data, improved comparative analytical tools that are accessible to and applicable by a broad scientific community are essential. We built the "2-n-way" software suite to provide a fundamental and innovative processing framework for revealing and comparing inserted elements among various genomes. The suite comprises two user-friendly web-based modules. The 2-way module generates pairwise whole-genome alignments of target and query species. The resulting genome coordinates of blocks (matching sequences) and gaps (missing sequences) from multiple 2-ways are then transferred to the n-way module and sorted into projects, in which user-defined coordinates from reference species are projected to the block/gap coordinates of orthologous loci in query species to provide comparative information about presence (blocks) or absence (gaps) patterns of targeted elements over many entire genomes and phylogroups. Thus, the 2-n-way software suite is ideal for performing multidirectional, non-ascertainment-biased screenings to extract all possible presence/absence data of user-relevant elements in orthologous sequences. To highlight its applicability and versatility, we used 2-n-way to expose approximately 100 lost introns in vertebrates, analyzed thousands of potential phylogenetically informative bat and whale retrotransposons, and novel human exons as well as thousands of human polymorphic retrotransposons.
journal_name
Genome Resjournal_title
Genome researchauthors
Churakov G,Zhang F,Grundmann N,Makalowski W,Noll A,Doronina L,Schmitz Jdoi
10.1101/gr.262261.120subject
Has Abstractpub_date
2020-10-01 00:00:00pages
1508-1516issue
10eissn
1088-9051issn
1549-5469pii
gr.262261.120journal_volume
30pub_type
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