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#sequencing

1 post1 participant0 posts today
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Daniel Hoffmann 🥬

Whole genome #sequencing has become cheap enough to become a routine early diagnostic test for #rareDiseases. This can help patients to avoid years of fruitless diagnostic odyssey. Could also facilitate development of cures. Moving case report. nature.com/articles/d41586-025

www.nature.comWhole-genome sequencing susses out rare diseasesConventional tests that look only at a small subset of genetic code often miss variations hiding outside the protein-coding genome.
Public
naturepoker

What do #nanopore #sequencing #bioinformatics folks think about this one? New preprint on hashing raw nanopore signals and using them directly for de-novo assembly.

arxiv.org/abs/2503.02997v1

Hypothetical blow5-to-assembly pipe would be interesting, though figuring it out is way out of my depth.

arXiv.orgEnabling Fast, Accurate, and Efficient Real-Time Genome Analysis via New Algorithms and TechniquesThe advent of high-throughput sequencing technologies has revolutionized genome analysis by enabling the rapid and cost-effective sequencing of large genomes. Despite these advancements, the increasing complexity and volume of genomic data present significant challenges related to accuracy, scalability, and computational efficiency. These challenges are mainly due to various forms of unwanted and unhandled variations in sequencing data, collectively referred to as noise. In this dissertation, we address these challenges by providing a deep understanding of different types of noise in genomic data and developing techniques to mitigate the impact of noise on genome analysis. First, we introduce BLEND, a noise-tolerant hashing mechanism that quickly identifies both exactly matching and highly similar sequences with arbitrary differences using a single lookup of their hash values. Second, to enable scalable and accurate analysis of noisy raw nanopore signals, we propose RawHash, a novel mechanism that effectively reduces noise in raw nanopore signals and enables accurate, real-time analysis by proposing the first hash-based similarity search technique for raw nanopore signals. Third, we extend the capabilities of RawHash with RawHash2, an improved mechanism that 1) provides a better understanding of noise in raw nanopore signals to reduce it more effectively and 2) improves the robustness of mapping decisions. Fourth, we explore the broader implications and new applications of raw nanopore signal analysis by introducing Rawsamble, the first mechanism for all-vs-all overlapping of raw signals using hash-based search. Rawsamble enables the construction of de novo assemblies directly from raw signals without basecalling, which opens up new directions and uses for raw nanopore signal analysis.
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Jyoti Mishra

Every now and then, I look at trackers and then I come to my senses and then go nope.

More power to you if you like your vibrato values in hex but very, very nope.

I mean, they're a step forward from the MC4 and 8 but that's about it.

#DAWs#Sequencing#CVGate
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