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smahtnetwrk.bsky.social

@smahtnetwrk.bsky.social
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 18h
A study of aging and Alzheimer’s disease brains found higher levels of somatic mutations, particularly in microglia. The findings suggest these mutations may drive the expansion of inflammatory microglial cells and contribute to Alzheimer’s disease. www.biorxiv.org/content/10.1...
biorxiv.org
Somatic cancer driver mutations are enriched and associated with inflammatory states in Alzheimer’s disease microglia
Alzheimer’s disease (AD) is an age-associated neurodegenerative disorder characterized by progressive neuronal loss and pathological accumulation of the misfolded proteins amyloid-β and tau[1][1],[2][...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 01/10/2026
A new toolkit, Himito, uses long-read sequencing to analyze mitochondrial DNA, including genetic variants and DNA modifications. Applied to All of Us data, it revealed mitochondrial diversity and age-related patterns. Uncover the science behind it: www.nature.com/articles/s41...
nature.com
Himito: a graph-based toolkit for mitochondrial genome analysis using long reads - Nature Communications
Himito is a graph-based toolkit for long-read mitochondrial genome analysis. It integrates NUMT filtering, haplotype assembly, variant calling, and methylation profiling, providing a comprehensiv...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 24/09/2026
Detecting mosaic variants at low levels can be incredibly complex. This study describes two ddPCR approaches helping researchers and clinicians accurately measure these variants, supporting interpretation of their potential health impacts. pubmed.ncbi.nlm.nih.gov/38774978/
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 09/09/2026
The Mobile Element (MEI) Analysis Focus Group within the SMaHT Network is dedicated to identifying and characterizing somatic mobile element insertions across diverse human tissues.  Learn more about this and other SMaHT working groups: smaht.org/working-grou...
smaht.org
Working Groups
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 01/09/2026
Using high-fidelity duplex sequencing, researchers profiled human cerebellar Purkinje and granule neurons across the lifespan, revealing both shared and distinct mutation patterns and modest effects in cerebellar ataxias. Uncover the research behind it: www.cell.com/neuron/fullt...
cell.com
Divergent somatic mutation patterns among human cerebellar neuron types
Grońska-Pęski et al. developed an approach to profile somatic mutations at high fidelity in two major cerebellar neuron types with markedly different physiologies: Purkinje and granule neurons. Profil...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 28/08/2026
Explore a step-by-step NanoSeq library preparation protocol using mung bean nuclease for whole-genome duplex sequencing. Optimized across 15+ human tissues, the method enables improved genome coverage for high-sensitivity somatic mutation detection. www.protocols.io/view/optimiz...
protocols.io
Optimized Mung Bean Nuclease Nanoseq Library Preparation Protocol for Whole Genome Sequencing
Optimized Mung Bean Nuclease Nanoseq Library Preparation Protocol for Whole Genome Sequencing. Duplex. Read full protocol, steps, and materials on protocols.io
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 26/08/2026
NanoSeq-MBN enables near-genome-wide, high-fidelity detection of ultra-rare somatic variants. This preprint expands the GIAB benchmark resource with a somatic layer, supporting rare-variant discovery, calibration and clinical assay validation. www.biorxiv.org/content/10.6...
biorxiv.org
Expanding the Genome in a Bottle Truth Set: Detection and Validation of Novel Low-frequency Variants Using High-accuracy NanoSeq
Highlights Somatic mutations record tissue molecular history and inform risk, prognosis, and therapy, yet their variant allele fractions often fall below the reliable detection limit of conventional...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 20/08/2026
As we put the finishing touches on Vol. 3 of the SMaHT Network Q&A series, catch up on what SMaHT members have shared so far. Hear perspectives on advances in somatic mosaicism research and why this work matters! www.youtube.com/@SMaHTnetwork
youtube.com
SMaHT Network
The Somatic Mosaicism across Human Tissues (SMaHT) Network aims to transform our understanding of how somatic mosaicism in human cells influences biology and disease.
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 13/08/2026
What is a “linear genome”? In the HPRC context, a linear genome organizes contiguous or scaffolded genome sequences in a traditional, row-based format. Explore this and more genomics definitions: humanpangenome.org/definitions/
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 13/08/2026
SMaHT member Chris Walsh, MD, PhD, joins The Early Perspective to discuss how somatic mutations shape the developing brain and what they can reveal about neurodevelopmental and neurodegenerative diseases. Tune in: podcasts.apple.com/us/podcast/t...
podcasts.apple.com
The DNA Typing Errors in Your Brain
Podcast Episode · The Early Perspective · August 10 · 58m
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 07/08/2026
How well can we detect somatic structural variants at ultra-low allele fractions? This preprint benchmarks 12 SV detection pipelines across sequencing platforms, providing best practices and data to support robust detection of mosaic SVs in non-cancer tissues.  www.biorxiv.org/content/10.1...
biorxiv.org
Comprehensive benchmarking of somatic structural variant detection at ultra-low allele fractions
Postzygotic mosaicism gives rise to somatic structural variants (SVs) at ultra-low variant allele fractions (VAFs), which pose challenges for detection due to the high-coverage sequencing required and...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 06/08/2026
Accurate detection of somatic mutations is essential for studying mosaicism. This protocol describes CompDuplex-seq, a duplex sequencing method that combines genome-wide coverage with high accuracy using standard Illumina sequencing workflows. Learn more: www.protocols.io/view/compdup...
protocols.io
CompDuplex: Accurate detection of somatic mutations by duplex-seq with comprehensive genome coverage
CompDuplex: Accurate detection of somatic mutations by duplex-seq with comprehensive genome coverage. . Read full protocol, steps, and materials on protocols.io
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 30/07/2026
Join the Human Reference Atlas webinar on Friday, July 31, from 1–2 pm ET to learn about new methods for analyzing endothelial cell environments across 12 organs and designing antibody panels for future spatial omics studies. Register: broadinstitute.zoom.us/webinar/regi...
broadinstitute.zoom.us
Welcome! You are invited to join a webinar: CFDE Public Webinar Series. After registering, you will receive a confirmation email about joining the webinar.
Welcome! You are invited to join a webinar: CFDE Public Webinar Series. After registering, you will receive a confirmation email about joining the webinar.
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 24/07/2026
Single-cell DNA sequencing can reveal how somatic mutations accumulate across tissues over time. This preprint presents a validated framework for studying somatic mosaicism from development through aging. www.biorxiv.org/content/10.1...
biorxiv.org
A comprehensive view of somatic mosaicism by single-cell DNA analysis
Single-cell DNA sequencing offers a powerful means of studying somatic mosaicism but requires careful analysis to mitigate DNA amplification-related artifacts. We performed primary template-directed a...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 22/07/2026
ASHG 2026 commences this October, with SMaHT members presenting posters, talks, and oral presentations throughout the meeting. Here’s a preview of the research the SMaHT Network will be sharing with the genetics and genomics community.
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 17/07/2026
Introducing D&D-seq, a single-cell technology for mapping DNA-protein interactions with improved sensitivity. Compatible with multi-omics workflows, the method offers new opportunities to study gene regulation in health and disease. Learn more: news.weill.cornell.edu/news/2026/06...
news.weill.cornell.edu
A Breakthrough Single-Cell Method for Mapping DNA-Protein Interactions
A new technology allows scientists to map, in single cells, the DNA binding sites of transcription factors and other regulatory proteins that control gene activity, according to a study led by investi...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 14/07/2026
Tune in as SMaHT member Chris Walsh, MD, PhD, is featured on The Genetics Podcast. Dr. Walsh discusses somatic mosaicism in the brain, its role in diseases ranging from epilepsy to Alzheimer’s, and how these discoveries could inform future therapies. www.youtube.com/watch?v=WHwy...
youtube.com
EP 247: Why neurons accumulate mutations like clockwork with Christopher Walsh of Boston Children's
YouTube video by Sano Genetics
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 09/07/2026
The SMaHT Network is building the first large-scale catalog of somatic mosaicism across human tissues to better understand how DNA changes acquired throughout life influence human health and disease. Visit our website to learn more about the initiative: smaht.org/overview/
smaht.org
Program Overview
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 02/07/2026
How do somatic mutations accumulate in healthy tissues? This preprint analyzes nearly 12,000 normal samples across 25 tissues, uncovering ongoing mutagenic processes and providing a framework for studying somatic mutations in normal human cells. www.biorxiv.org/content/10.1...
biorxiv.org
Motif-Centered Analyses Reveal Universal and Tissue-Specific Mutagenic Mechanisms Operating in the Human Body
Somatic mutations are inevitable in human genomes and can lead to tumorigenesis, yet baseline mutagenesis in non-cancerous normal cells remain poorly understood. Here, we analyzed the mutation profile...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 25/06/2026
Explore the SMaHT Data Portal, a platform for searching, visualizing, and downloading somatic mosaic variants from normal human tissues. Discover connections across datasets, assays, sequencing platforms, and molecular features generated by the SMaHT Network. data.smaht.org
data.smaht.org
SMaHT Data Portal
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 19/06/2026
Introducing D&D-seq, a single-cell method for profiling DNA–protein interactions. The method enables detection of weak or transient transcription factor binding and integrates analyses of gene regulation. Uncover the science behind it: www.cell.com/cell/fulltex...
cell.com
Single-cell mapping of regulatory DNA-protein interactions
D&D-seq, a single-cell immune-tethering strategy, captures weak and transient DNA-protein interactions to enable integrated, genome-wide analysis of transcription factor binding across chromatin state...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 16/06/2026
Registration is now open for the August 2026 Hackathon, a hybrid event focused on collaborative approaches to genomics and bioinformatics research! Learn more about the event and register: fritzsedlazeck.github.io/blog/2026/ha...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 08/06/2026
What is the biggest gap in somatic variation research today? In this Q&A, Alexej Abyzov, PhD, discusses the importance of studying somatic mutations at the single-cell level and how SMaHT is helping advance this area of research. ▶️ youtu.be/2S2d8lxy4sk
youtu.be
What is the biggest gap in somatic variation research & how is SMaHT uniquely positioned to fill it?
YouTube video by SMaHT Network
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 03/06/2026
Join the 10th Annual Single Cell Genomics Day on June 12!  Explore the latest advances in single-cell and spatial genomics, featuring talks from leading researchers across the field.  Free livestream, no registration required: www.satijalab.org/scgd
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 28/05/2026
Researchers studied nearly 500,000 genomes, revealing that mosaic chromosomal alterations accumulate in predictable patterns with age, offering new insight into clonal expansion and blood cancer risk. Uncover the science behind it: www.nature.com/articles/s41...
nature.com
Patterns and drivers of 43,617 mosaic chromosomal alterations in blood - Nature Genetics
High-resolution analyses of blood-derived whole-genome sequence data from UK Biobank detect new mosaic chromosomal alterations and identify rare protein-coding variants associated with clonal expansio...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 22/05/2026
Analysis of nearly 12,000 normal tissue samples reveals ongoing mutagenic processes across healthy human tissues, offering new insight into baseline somatic mutation patterns and disease-associated mutagenesis. Read more: pubmed.ncbi.nlm.nih.gov/41756945/
pubmed.ncbi.nlm.nih.gov
Motif-Centered Analyses Reveal Universal and Tissue-Specific Mutagenic Mechanisms Operating in the Human Body - PubMed
Somatic mutations are inevitable in human genomes and can lead to tumorigenesis, yet baseline mutagenesis in non-cancerous normal cells remain poorly understood. Here, we analyzed the mutation profile...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 19/05/2026
The SMaHT Genome Assembly Analysis Focus Group is working to develop high-quality genomic assemblies to improve detection and interpretation of somatic variation. Learn more about SMaHT focus and working groups: smaht.org/working-grou...
smaht.org
Working Groups
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 14/05/2026
Blog spotlight: Researchers identified rare somatic mutations in brain and spinal cord tissue that may contribute to sporadic Amyotrophic lateral sclerosis and Frontotemporal dementia.  Read more: mgriblog.org/science-insi...
mgriblog.org
The Potential Role of Acquired Genetic Mutations in Sporadic ALS and FTD
Learn how sporadic cases of ALS/FTD may be influenced by somatic mutations, according to new research findings.
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 12/05/2026
A recent preprint explores how donor-specific assemblies improve the detection of somatic structural variants. Using a personalized assembly identified 1.8× more validated variants than standard references, especially in repeat-rich regions. www.biorxiv.org/content/10.6...
biorxiv.org
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 06/05/2026
How can studying somatic variation improve human health? Christopher Grochowski, PhD, shares how SMaHT research is uncovering genetic differences across tissues to better understand disease and advance personalized medicine. Watch here: youtu.be/Rve7hZgR0Uk
youtu.be
How can studying somatic mosaicism benefit our understanding of human health?
YouTube video by SMaHT Network
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 30/04/2026
Deep sequencing reveals rare, low-frequency somatic mutations in ALS/FTD genes may contribute to sporadic neurodegeneration. Uncover the science behind it: www.biorxiv.org/content/10.1...
biorxiv.org
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 24/04/2026
New research supported in part by SMaHT finds cancer-associated mutations in brain immune cells may contribute to Alzheimer’s disease, pointing to new directions for diagnostics and treatment. Learn more in the Boston Children's Hospital press release: www.childrenshospital.org/newsroom/med...
childrenshospital.org
In Alzheimer’s disease, cancer mutations accrue in brain’s immune cells | Boston Children's Hospital
Same drivers of disease within microglia indicate that certain cancer treatments may be effective for Alzheimer’sBOSTON, MA [April 21, 2026] — As the body ages
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 22/04/2026
SMaHT researchers will be presenting upcoming posters at conferences across the U.S. & Europe, highlighting work across ELSI, TPC, and website teams. Stay tuned for where to find us and learn more about these efforts!
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 17/04/2026
The 2026 Human Cell Atlas General Meeting happens June 16 - 18 in Boston, MA.  Join the Human Cell Atlas community as it marks 10 years and looks ahead.  Virtual option available.  Register: events.humancellatlas.org/2026HCAGM/
events.humancellatlas.org
2026 Human Cell Atlas General Meeting
The 2026 HCA General Meeting will take place in person in Boston, USA and virtually. Topics will include creating a cross-tissue 3D reference Atlas with spatial resolution that is geographically and g...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 14/04/2026
Uncover how single-cell approaches reveal somatic mutation variation across cell types, exposures, and lineages, further advancing cell–type–aware mutation profiling. Read the preprint: www.biorxiv.org/content/10.1...
biorxiv.org
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 08/04/2026
Our SMaHT Associate Members play a key role in advancing the network, contributing to somatic variant catalogs, developing new sequencing tools, and shaping data resources that deepen our understanding of human biology.  Learn more: smaht.org/associate-me...
smaht.org
Associate Members
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 03/04/2026
The NIH Common Fund is seeking community input to shape the future of somatic mosaicism research. Share perspectives on priorities, technologies, and data needs. Responses due by May 30: go.nih.gov/SMaHT-RFI
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 01/04/2026
Why build a comprehensive catalog of somatic variants? In this Q&A, Elizabeth Chun explains how creating a high-quality, searchable reference across tissues can advance our understanding of human health and disease. ▶️: youtu.be/6N1FHMqozHo
youtu.be
Why is it important to build a catalog of somatic variants across tissues & individuals?
YouTube video by SMaHT Network
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 25/03/2026
Looking for the SMaHT Network across social media?  Visit our Linktree to find all SMaHT platforms in one place and stay up to date on the latest research, tools, and consortium updates.  linktr.ee/smahtnetwork
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 20/03/2026
New Preprint: TumorLens introduces a unified long-read framework that detects SNVs, indels, SVs, CNVs, LoH, and CpG methylation in a single assay, enabling more comprehensive tumor profiling and insights into mechanisms like immune escape. Read more: www.medrxiv.org/content/10.6...
medrxiv.org
Comprehensive detection of genetic and epigenetic alterations in cancer using long reads with TumorLens
Accurately resolving the full spectrum of somatic alterations remains a major barrier in cancer genomics. Current short-read sequencing methods often prioritize SNVs and copy-number changes while over...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 18/03/2026
Why is studying somatic variation so challenging? In this Q&A, Carrie Cibulskis, BS, explains the “needle in a haystack” problem… finding rare mutations in a tiny fraction of cells while separating true variants from sequencing errors. 🎬 youtu.be/ozZo_G2MkJc
youtu.be
Why is studying somatic mosaicism technically challenging?
YouTube video by SMaHT Network
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 12/03/2026
Researchers across the SMaHT Network compare six duplex sequencing technologies for detecting low-frequency somatic mutations. The study highlights differences in sensitivity, cost, and genomic coverage while showing strong agreement in mutation rate estimates. doi.org/10.64898/202...
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 06/03/2026
Preprint: A comprehensive view of somatic mosaicism by single-cell DNA analysis. Single-cell DNA sequencing reveals diverse somatic mutations and chromosomal changes across lung and colon cells, offering deeper insight into mosaicism across tissues. www.biorxiv.org/content/10.1...
biorxiv.org
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 04/03/2026
In Volume 2 of our Q&A series, SMaHT Network members discuss why studying somatic variation is so challenging and how the network is working to overcome those barriers to better understand human health and disease. Tune in: youtu.be/ljZncMubN_w?...
youtu.be
NIH Common Fund's SMaHT Network Q&A - Vol. 2
YouTube video by SMaHT Network
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 26/02/2026
The SMaHT Reference Assembly Working Group is developing best practices for using T2T assemblies and genome graphs to advance somatic variant analysis.  Learn more about our working groups: smaht.org/working-grou...
smaht.org
Working Groups
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 19/02/2026
scNanoSeq enables accurate detection of somatic mutations in single tumor cells, profiling 842 cells from 21 breast cancers. Results reveal distinct evolutionary patterns and a proposed reprogramming–critical mutation co-timing (RCMC) model.  Read the preprint: www.biorxiv.org/content/10.1...
biorxiv.org
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 11/02/2026
IGGSy 2026 is coming! July 5 - 9, join researchers from around the world to explore genome graphs, pangenomics, and metagenomics, including a dedicated Human Pangenome Project session with keynotes from speakers of varied specializations. Registration open now! iggsy.org
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 06/02/2026
A recent preprint uses single-cell whole-genome sequencing to reveal increased somatic DNA damage in neurons from ALS, FTD, and Alzheimer’s disease, suggesting a shared mutational process in neurodegeneration. Uncover the research behind it: www.biorxiv.org/content/10.1...
biorxiv.org
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 04/02/2026
Finding somatic mutations is like spotting one changing leaf in a forest...rare, subtle, and incredibly informative. In this Q&A, Thomas Bell, PhD, explains why that challenge is exactly what makes SMaHT’s work so exciting. 🎥: youtu.be/ydg6YYceoTM
youtu.be
What makes the study of somatic variation technically or conceptually difficult?
YouTube video by SMaHT Network
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smahtnetwrk.bsky.social @smahtnetwrk.bsky.social · 30/01/2026
A recent preprint introduces a technology-agnostic benchmarking resource for detecting somatic variants across variant types, tissues, and allele fractions... advancing somatic variant analysis in research and clinical settings.   www.biorxiv.org/content/10.1...
biorxiv.org
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