1/ Excited to share our preprint ImpuT2T: a pangenome-based assembly patching tool ImpuT2T scaffolds draft human assemblies with a pangenome (HPRC2) and patches gaps by leveraging linkage disequilibrium and sequence identity between contigs and reference haplotypes Code: github.com/maojanlin/Im...

ImpuT2T: Pangenome-Based Patching for Human Genome Assemblies

With improvements in sequencing and assembly have come many high-quality telomere-to-telomere assemblies and reference pangenomes. However, the long-read sequencing recipes needed for high quality ass...

biorxiv.org

📢 Genome Informatics 2026 (Hinxton UK + virtual, 2–4 Dec) is coming! Some confirmed speakers now listed: coursesandconferences.wellcomeconnectingscience.org/event/genome... Early-bird registration & bursary deadlines: 7 Sept. Abstract deadline: 5 Oct. Please submit your work & join us!

ImpuT2T: Pangenome-Based Patching for Human Genome Assemblies https://www.biorxiv.org/content/10.64898/2026.07.27.741037v1

1/ Excited to share the newest tool in the pangenome MUMiverse: Shredtools! Shredtools enables a user to navigate the pangenome coordinate system with multi-MUMs. More in the thread🧵 Code: github.com/vikshiv/shredtools Interactive tool for querying HPRC assemblies: vikshiv.github.io/shredtools

Navigating the pangenome coordinate system with Shredtools

Existing notions of pangenome coordinates rely on hard-to-compute multiple sequence alignments. On the other hand, pangenome-wide exact unique matches (multi-MUMs) can be computed efficiently, and rep...

biorxiv.org

JOB ALERT! I'm hiring two postdocs in Computational Genomics to join our lab in beautiful Gothenburg, Sweden. Please share and repost! CGRLab.github.io/research/

Movi 2 has appeared (as an advance article) in Bioinformatics 🧬 Faster, leaner pangenome queries — half the memory of Movi 1, ~30% faster. Paper: academic.oup.com/bioinformati... Code: github.com/mohsenzakeri/Movi (1/6)

Last chance to register for a Scalable genomics course this autumn! It will be a banger. With @katiejenike.bsky.social @richard-durbin.bsky.social @npmalfoy.bsky.social and @vikramshivakumar.bsky.social! coursesandconferences.wellcomeconnectingscience.org/event/scalab...

Very bittersweet for me too. I’ll always be grateful for your mentorship and for the amazing lab and community I’ve been fortunate to grow alongside over the years. I’ll definitely miss Baltimore and the wonderful genomics community at Hopkins. Looking forward to the next chapter in Cambridge!

Ben Langmead@benlangmead.bsky.social · 3mo ago

Proud & bittersweet day, hooding the superb @vikramshivakumar.bsky.social. We will miss your energy, camaraderie & leadership. Your work truly speaks for itself, both scholarly and Mario Kart related. Wishing you the absolute best as you move to Cambridge, UK to be an ESPOD fellow!

Thank you! And thanks to all the wonderful people at JHU I’ve had the pleasure of working with during my PhD. And of course, to my advisor @benlangmead.bsky.social and my super supportive thesis committee members @aphillippy.bsky.social and @mikeschatz.bsky.social. Excited to 🇺🇸 -> 🇬🇧 soon!

JHU Computer Science@jhucompsci.bsky.social · 5mo ago

Congratulations, @vikramshivakumar.bsky.social!

1/ Excited to share my first first-author preprint from my PhD! We introduce Perseus, a lineage-aware confidence estimation framework for taxonomic classification in long-read metagenomics. Preprint: www.biorxiv.org/content/10.6... Code: github.com/matnguyen/Pe...

As an alternative to the h-index, I made the Mentorship Index (M-index) to proxy a scientist's contribution to mentoring junior scientists. Ex. M10-index = # last-author publications where the first author had < 10 pubs. Calculate yours: jef.works/Mentorship-I... Blog: jef.works/blog/2026/03... 🧵👇

New tool from @alexsweeten.bsky.social to find and classify all your satellites: "AniAnn's: alignment-free annotation of tandem repeat arrays using fast average nucleotide identity estimates" 📄 www.biorxiv.org/content/10.6... 📦 github.com/marbl/anianns

I am hiring a staff bioinformatician for my new lab at the University of Utah! Please consider applying if you are on the hunt: employment.utah.edu/salt-lake-ci...

I am looking for a postdoc to develop high-performance algorithms in computational genomics. Email or DM me if interested. For more information, see hlilab.github.io/vacancies. RTs appreciated!

Really excited to see our new work in scaling Mumemto to any size pangenome published in Genome Research this morning. And right on cue with the great opportunity to present this work at #GI2025 this week.

Genome Research @genomeresearch.bsky.social · 9mo ago

#GI2025 Vikram Shivakumar from Ben Langmead's lab (@benlangmead.bsky.social) presents "MumemtoM - partitioned Multi-MUM finding for scalable pangenomics ". Now published in Genome Research @genomeresearch.bsky.social. Read full text here ➡️ tinyurl.com/Genome-Res-2...

Nicole Brown gave a fantastic talk on Identifying introgressions across pangenomes with Panagram It uses k-mer conservation to annotate genomic variation across hundreds of genomes, followed by normalization of k-mer profiles to identify introgression events github.com/kjenike/pana... #GI2025

Fantastic talk by @vikramshivakumar.bsky.social Mumemto—Scalable multi-MUM finding for pangenomes Papers biorxiv.org/content/10.1101/2025.05.20.654611 & doi.org/10.1186/s13059-025-03644-0 Code: github.com/vikshiv/mume... Very efficient pangenome visualization tool, revealing synteny and variations!

Looking forward to lots of great talks from JHU folks at CSHL this week!

JHU Computer Science@jhucompsci.bsky.social · 9mo ago

Check out the cool work being presented by our students at Genome Informatics! This year’s event was co-organized by @benlangmead.bsky.social, & features talks from @vikramshivakumar.bsky.social & more, plus posters from @alexsweeten.bsky.social, @maojanlin.bsky.social, & @sinamajidian.bsky.social:

If that’s not enough, we threw in a complete, T2T giraffe genome! Giraffe genomes are pretty cool. Almost all of their chromosomes are Robertsonian fusions of the typically telocentric ruminant chromosomes. 🐄 vs. 🦒...

Last week we were in the Washington Post for our characterization of Robertsonian chromosomes. This week we are entering our 10th day of being shut down and all of our research is on hold. To help me feel not-so-bad, here is a thread of some studies we released right before the shutdown 🧵 [1/n]...

Excited to share our EvANI benchmarking workflow, published in Briefings in Bioinformatics doi.org/10.1093/bib/... Computing average nucleotide identity (ANI) is neither conceptually nor computationally trivial. Its definition has evolved over years, with different meanings and assumptions (1/5)

Great talk by Vikram @vikramshivakumar.bsky.social on studying pangenomes and synteny visualization in #WABI25 Github: github.com/vikshiv/mume... First paper: genomebiology.biomedcentral.com/articles/10.... Second: www.biorxiv.org/content/10.1... #WABI2025

Vikram Shivakumar telling us about "Partitioned Multi-MUM finding for scalable pangenomics" #WABI25! So many kinds of matches!

This preprint from Helen Sakharova is one of the coolest things to come out of my lab: “Protein language models reveal evolutionary constraints on synonymous codon choice.” Codon choice is a big puzzle in how information is encoded in genomes, and we have a new angle. www.biorxiv.org/content/10.1...

Protein language models reveal evolutionary constraints on synonymous codon choice

Evolution has shaped the genetic code, with subtle pressures leading to preferences for some synonymous codons over others. Codons are translated at different speeds by the ribosome, imposing constrai...

biorxiv.org

#SciArt doodle of @vikramshivakumar.bsky.social's talk yesterday at the @sangerinstitute.bsky.social on MUMs* *maximal unique matches in pangenomes, now if you did that on sequenced moms you could do mummoms

Excited to share our new preprint on detecting foldback artifacts in long reads with my advisors Matthew Meyerson and @lh3lh3.bsky.social ! Stop by poster C-180 on Wednesday at ISMB/ECCB2025 to learn more and chat!

bioRxiv Bioinfo@biorxiv-bioinfo.bsky.social · last yr.

Detecting Foldback Artifacts in Long Reads https://www.biorxiv.org/content/10.1101/2025.07.15.664946v1

If you’re in Liverpool, stop by my poster A217 at ISMB/EECB 2025, and chat about all things pangenomes, MUMs, and alignment (and the Beatles or Oasis-mania)

Really excited to see this published! To more mum-finding 🍻

Ben Langmead@benlangmead.bsky.social · last yr.

Now published! Note that since Vikram's original post (quoted here), he's made it easy to dynamically update a set of multi-MUMs (e.g. when more genomes are added to a pangenome) and to find multi-MUMs for huge collections like HPRCv2 genomebiology.biomedcentral.com/articles/10....

🖥️🧬We're thrilled to announce that one of our keynote speakers at #WABI2025 will be the inimitable @benlangmead.bsky.social! wabiconf.github.io/2025/talks/t... Ben's keynote is titled "We are what we index; a primer for the Wheeler Graph era", & it's sure to be a whirlwind tour of full-text indexing!

1/5 We introduce Movi Color, led by Steven Tan (a brilliant undergrad member of Langmead lab) for taxonomic and multi-class classification. It uses a full-text index based on the move structure and does not rely on predefined values (like k-mer length) for index building. github.com/mohsenzakeri...

bioRxiv Bioinfo@biorxiv-bioinfo.bsky.social · last yr.

Movi Color: fast and accurate long-read classification with the move structure https://www.biorxiv.org/content/10.1101/2025.05.22.655637v1