Pandora: nucleotide-resolution bacterial pan-genomics with reference graphs.
Pandora: nucleotide-resolution bacterial pan-genomics with reference graphs.
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DOI:
10.1186/s13059-021-02473-1
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发表时间:
2021-09-14
期刊:
影响因子:
12.3
通讯作者:
Iqbal Z
中科院分区:
文献类型:
--
作者:
Colquhoun RM;Hall MB;Lima L;Roberts LW;Malone KM;Hunt M;Letcher B;Hawkey J;George S;Pankhurst L;Iqbal Z
We present pandora, a novel pan-genome graph structure and algorithms for identifying variants across the full bacterial pan-genome. As much bacterial adaptability hinges on the accessory genome, methods which analyze SNPs in just the core genome have unsatisfactory limitations. Pandora approximates a sequenced genome as a recombinant of references, detects novel variation and pan-genotypes multiple samples. Using a reference graph of 578 Escherichia coli genomes, we compare 20 diverse isolates. Pandora recovers more rare SNPs than single-reference-based tools, is significantly better than picking the closest RefSeq reference, and provides a stable framework for analyzing diverse samples without reference bias. The online version contains supplementary material available at 10.1186/s13059-021-02473-1.
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