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119 The Challenges of Microbial Taxonomy - Conversations with Titus Brown
Manage episode 393535821 series 3381906
A tartalmat a Micro Binfie Podcast and Microbial Bioinformatics biztosítja. Az összes podcast-tartalmat, beleértve az epizódokat, grafikákat és podcast-leírásokat, közvetlenül a Micro Binfie Podcast and Microbial Bioinformatics vagy a podcast platform partnere tölti fel és biztosítja. Ha úgy gondolja, hogy valaki az Ön engedélye nélkül használja fel a szerzői joggal védett művét, kövesse az itt leírt folyamatot https://hu.player.fm/legal.
In this episode, Andrew Page and Lee Katz continue their chat with Titus Brown, focusing on taxonomy assignment in metagenomics: Topics discussed: Dealing with contamination and low quality genomes in reference databases Sourmash as a versatile search tool, not a curated database The need for high confidence in taxonomic assignment in public health Most microbial assignment tools have low specificity or sensitivity Possible ways to achieve perfect species classification (in theory) The challenges around defining species based on small genomic differences Interesting cryptography concept of 'unicity' distance for classification Conveying the nuances and uncertainties in taxonomic assignment The conversation highlights the difficulties around taxonomic classification, especially at the species level, but explores ideas for improving accuracy. Overall it emphasizes the complexities of biology and need for transparent conveyance of uncertainties. Papers: Spacegraphcats - https://genomebiology.biomedcentral.com/articles/10.1186/s13059-020-02066-4 Sourmash - https://www.biorxiv.org/content/10.1101/2022.01.11.475838v2 IBD exploration - https://dib-lab.github.io/2021-paper-ibd/
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