Haoyu Cheng Profile
Haoyu Cheng

@ChengChhy

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370
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60

Joined October 2018
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@ChengChhy
Haoyu Cheng
4 months
Joint work with @lh3lh3, @peter_j_park, and the ONT team @vellamike.
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@ChengChhy
Haoyu Cheng
4 months
New preprint on hifiasm (ONT)! We can now achieve near T2T human genome assembly using only ONT Simplex reads—in just half a day, with or without ultra-long sequencing.
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biorxiv.org
Telomere-to-telomere (T2T) assembly is the ultimate goal for de novo genome assembly. Existing algorithms capable of near T2T assembly all require Oxford Nanopore Technologies (ONT) ultra-long reads...
@vellamike
Mike Vella
4 months
Telomere-to-telomere de novo assembly from standard ONT reads (LSK114, Simplex). A really exciting advance—makes high-quality assembly practical for population-scale sequencing!. Preprint from @ChengChhy, @lh3lh3 and colleagues.
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@ChengChhy
Haoyu Cheng
9 months
RT @lh3lh3: The latest hifiasm can directly assemble standard @nanopore simplex R10 reads, without HERRO correction or other preprocessing,….
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@ChengChhy
Haoyu Cheng
9 months
Hifiasm 0.21.0 has been released. It now has a beta module for direct assembly of ONT R10 simplex reads. Initial tests with regular simplex reads show very promising results!
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github.com
Since Hifiasm-0.20.0 (r639): New Feature: Introduced a beta module for ONT assembly using ONT simplex R10 reads. To enable this feature, add the --ont option as shown below: hifiasm -t64 --ont -o...
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@ChengChhy
Haoyu Cheng
1 year
My new lab at @YaleBIDS is looking for a couple of postdocs, students and RAs in bioinformatics, genomics, machine learning and related fields (. Heartfelt thanks to my mentor @lh3lh3 and collaborators for their incredible support!.
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@ChengChhy
Haoyu Cheng
1 year
RT @lh3lh3: Preprint on "BWT construction and search at the terabase scale". We can compress 100 human genomes to 11GB in 21 hours, find SM….
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@ChengChhy
Haoyu Cheng
2 years
Many thanks to those who made this work possible! @asri_mobin Julian Lucas @sergekoren @lh3lh3.
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@ChengChhy
Haoyu Cheng
2 years
Excited to share our new t2t assembly algorithm for diploid and polyploid genomes! Using 132 assembled haplotypes from the @HumanPangenome , we show that our approach is cost-efficient, robust, and could achieve t2t assemblies without high coverage reads
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arxiv.org
Despite recent advances in the length and the accuracy of long-read data, building haplotype-resolved genome assemblies from telomere to telomere still requires considerable computational...
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@ChengChhy
Haoyu Cheng
3 years
New hifiasm with the ultra-long integration is released! We tested it with four diploid human samples and got many T2T chromosomes. Any feedback will be much-appreciated @lh3lh3. Source code:
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github.com
Integrated the new ultra-long ONT integration mode with the option --ul. Please note that this mode is not stable right now. There are several known issues to be fixed: The UL + HiC + trio might i...
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@ChengChhy
Haoyu Cheng
3 years
RT @aphillippy: Today is the big day! The #T2T consortium is claiming victory and announcing that we have finally uncovered every last bit….
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@ChengChhy
Haoyu Cheng
3 years
RT @lh3lh3: The previous hifiasm paper described haplotype-resolved assembly with trio data. In this new paper, @ChengChhy achieves chromos….
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@ChengChhy
Haoyu Cheng
3 years
RT @dfcidatascience: Latest from @ChengChhy, @lh3lh3 and collaborators: .Haplotype-resolved genome assemblies produced by the new #hifiasm….
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@ChengChhy
Haoyu Cheng
3 years
We also want to thank our collaborators @erichjarvis @ofedrigo @LaraUrban42 @ProfGemmell @ Klaus-Peter Koepfli for the fantastic help, and the datasets from @darwintreelife and @genomeark.
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@ChengChhy
Haoyu Cheng
3 years
We hope it will not only enable routine single-sample fully-phased assemblies, but also will be a better solution for complex SV calling.
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@ChengChhy
Haoyu Cheng
3 years
The latest hifiasm for single-sample haplotype-resolved assemblies from our lab @lh3lh3 is published on Nature Biotechnology @NatureBiotech. Journal paper: and read-only link:
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@ChengChhy
Haoyu Cheng
4 years
RT @infoecho: Yet another genome assembler, this time it is written in Rust. Peregrine-2021: A faster and minimum genome assembler for lon….
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@ChengChhy
Haoyu Cheng
4 years
We also want to thank our collaborators @erichjarvis @ofedrigo @LaraUrban42 @ProfGemmell @ Klaus-Peter Koepfli for the fantastic help to improve and validate the results.
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@ChengChhy
Haoyu Cheng
4 years
Only with HiFi reads, hifiasm also supports to output two highly contiguous primary assemblies, called dual assembly. We demonstrated dual assembly is more powerful than mapping-based methods in complex regions like GTF2IRD2. Assembly might be the ultimate solution to SV calling.
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@ChengChhy
Haoyu Cheng
4 years
Our lab @lh3lh3 develops a single-sample phased assembler combining @PacBio HiFi and Hi-C, which has been heavily tested for human and non-human samples (. We believe haplotype-resolved assembly for every diploid individual is becoming real before our eyes.
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arxiv.org
Routine single-sample haplotype-resolved assembly remains an unresolved problem. Here we describe a new algorithm that combines PacBio HiFi reads and Hi-C chromatin interaction data to produce a...
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