Matches in SemOpenAlex for { <https://semopenalex.org/work/W3210055897> ?p ?o ?g. }
- W3210055897 abstract "Abstract Most methods for phylogenetic tree reconstruction are based on sequence alignments; they infer phylogenies from substitutions that may have occurred at the aligned sequence positions. Gaps in alignments are usually not employed as phylogenetic signal. In this paper, we explore an alignment-free approach that uses insertions and deletions (indels) as an additional source of information for phylogeny inference. For a set of four or more input sequences, we generate so-called quartet blocks of four putative homologous segments each. For pairs of such quartet blocks involving the same four sequences, we compare the distances between the two blocks in these sequences, to obtain hints about indels that may have happened between the blocks since the respective four sequences have evolved from their last common ancestor. A prototype implementation is presented to infer phylogenetic trees from these data, using a quartet-tree approach or, alternatively, under the maximum-parsimony paradigm. This approach should not be regarded as an alternative to established methods, but rather as a complementary source of phylogenetic information. Interestingly, however, our software is able to produce phylogenetic trees from putative indels alone that are comparable to trees obtained with existing alignment-free methods." @default.
- W3210055897 created "2021-11-08" @default.
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- W3210055897 date "2021-02-05" @default.
- W3210055897 modified "2023-10-01" @default.
- W3210055897 title "Insertions and deletions as phylogenetic signal in an alignment-free context" @default.
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- W3210055897 doi "https://doi.org/10.1101/2021.02.03.429685" @default.
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