Tools of the Trade |
Featured
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Journal Club |
Rapid pathogen surveillance: field-ready sequencing solutions
In this Journal Club, Kirstyn Brunker highlights two papers published in 2017 that showcase how the emergence of portable sequencing capabilities improved the real-time response to infectious disease outbreaks on a global scale.
- Kirstyn Brunker
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Review Article |
Genome assembly in the telomere-to-telomere era
In this Review, Li and Durbin discuss how to generate telomere-to-telomere assemblies for large haploid or diploid genomes using currently available data types and algorithms, and outline remaining challenges in resolving highly repetitive sequences and polyploid genomes.
- Heng Li
- & Richard Durbin
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Tools of the Trade |
SIMPLE-seq to decode DNA methylation dynamics in single cells
In this Tools of the Trade article, Dongsheng Bai and Chenxu Zhu describe SIMPLE-seq, a scalable single-cell sequencing method that simultaneously decodes the cytosine modifications 5mC and 5hmC.
- Dongsheng Bai
- & Chenxu Zhu
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Review Article |
Genetic variation across and within individuals
In this Review, the authors compare the characteristics and detection methods of germline and somatic variants. Furthermore, they outline how the interplay between the two types of genetic variation can affect human health.
- Zhi Yu
- , Tim H. H. Coorens
- & Pradeep Natarajan
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Review Article |
Sequence composition changes in short tandem repeats: heterogeneity, detection, mechanisms and clinical implications
This Review highlights the diversity in sequence composition of disease-related short tandem repeats. The authors discuss how to detect non-canonical motifs in repeat sequences from sequencing data and review the molecular and clinical consequences of sequence composition changes.
- Indhu-Shree Rajan-Babu
- , Egor Dolzhenko
- & Jan M. Friedman
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Review Article |
Plant pangenomes for crop improvement, biodiversity and evolution
Plant pangenomes have had a transformative impact on crop enhancement, biodiversity conservation and evolutionary research. This Review delves into the application of plant pangenomes for understanding trait diversity, aiding breeding, biodiversity classification and monitoring, and illuminating evolutionary innovations.
- Mona Schreiber
- , Murukarthick Jayakodi
- & Martin Mascher
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Review Article |
Sequencing and characterizing short tandem repeats in the human genome
This Review describes tools and approaches for characterizing short tandem repeats in the human genome from whole-genome sequencing data. Furthermore, the authors discuss how these recent developments have helped to better understand the effect of short tandem repeats on human health and disease.
- Hope A. Tanudisastro
- , Ira W. Deveson
- & Daniel G. MacArthur
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Review Article |
The expanding diagnostic toolbox for rare genetic diseases
Genomic technologies have greatly improved the diagnosis of rare genetic diseases. Here, the authors review emerging approaches for the identification of disease-causal genetic variants as well as omic technologies that show great potential for variant interpretation.
- Kristin D. Kernohan
- & Kym M. Boycott
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Comment |
Weaponized genomics: potential threats to international and human security
Geopolitical instability has prompted renewed discussions on the risks of DNA technology being weaponized in international conflict. With today’s changing security environment, the authors argue that risk assessments must be broadened from genetically targeted weapons to a series of new domains.
- Subhayan Chattopadhyay
- , Tony Ingesson
- & David Gisselsson
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Research Highlight |
Sequencing to save the Kākāpō
Guhlin et al. sequenced the genomes of almost the entire extant population of the critically-endangered kākāpō, revealing genetic variants for fitness-related traits that can inform conservation strategies.
- Michael Attwaters
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Comment |
Unequal global implementation of genomic newborn screening
In this Comment, Ahmad Abou Tayoun advocates for studies inclusive of historically under-represented populations to ensure equitable global access to genomic newborn screening.
- Ahmad N. Abou Tayoun
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Research Highlight |
Illuminating the human yolk sac through single-cell omics
A paper in Science reports a time-resolved multiomic atlas of the human yolk sac, expanding knowledge of this poorly resolved structure in humans.
- Kirsty Minton
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Research Highlight |
A diverse and inclusive human pangenome
In five new studies, the Human Pangenome Reference Consortium reports the generation and initial characterization of a draft human pangenome.
- Michael Attwaters
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Research Highlight |
Single cell–cell communication
A study in Nature Biotechnology describes Scriabin, a highly scalable framework for inference of cell–cell communication from scRNA-seq data at the level of individual cells.
- Dorothy Clyde
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Research Highlight |
Connecting noncoding variants to human traits
Morris et al. present an integrated multi-omic workflow to identify target genes of noncoding variants for blood trait loci.
- Michael Attwaters
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Journal Club |
Painting a developmental landscape at single-cell resolution
Marja Timmermans recalls a series of papers published back-to-back in Science in 2018 that reported the use of single-cell RNA sequencing to obtain a more complete picture of the expression landscapes describing early vertebrate development.
- Marja C. P. Timmermans
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Journal Club |
RNA barcoding: the catalyst for the single-cell revolution
In this Journal Club, Celine Vallot discusses two 2015 papers that introduced the concept of high-throughput RNA barcoding, which paved the way for today’s plethora of single-cell omic approaches.
- Céline Vallot
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Review Article |
Beyond assembly: the increasing flexibility of single-molecule sequencing technology
Hook and Timp describe increasingly flexible ways in which single-molecule sequencing technologies are being used to analyse genomes. Examples include targeted genome sequencing, analysis of chromatin state and protein–DNA interactions, and sequencing of short reads.
- Paul W. Hook
- & Winston Timp
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Research Highlight |
Understanding human placentation through spatial multiomics
Arutyunyan et al. describe a spatially resolved, single-cell multi-omics map of the entire maternal–fetal interface in the first trimester of human pregnancy.
- Kirsty Minton
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Review Article |
Variant calling and benchmarking in an era of complete human genome sequences
Variant calling is the process of identifying genetic variants, which is important for characterizing population genetic diversity and for identifying disease-associated variants in clinical sequencing projects. In this Review, the authors discuss the state-of-the-art in variant calling, focusing on challenging types of genetic variants, advances in both sequencing technologies and computational pipelines, and benchmarking strategies to assess the robustness of variant-calling strategies.
- Nathan D. Olson
- , Justin Wagner
- & Justin M. Zook
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Research Highlight |
Epigenomes get personal
A paper in Cell introduces the EN-TEx resource, a detailed catalogue of allele-specific activity that can be used to develop deep learning models that analyse the biological impact of genetic variants.
- Linda Koch
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Expert Recommendation |
Best practices for single-cell analysis across modalities
Practitioners in the field of single-cell omics are now faced with diverse options for analytical tools to process and integrate data from various molecular modalities. In an Expert Recommendation article, the authors provide guidance on robust single-cell data analysis, including choices of best-performing tools from benchmarking studies.
- Lukas Heumos
- , Anna C. Schaar
- & Fabian J. Theis
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Research Highlight |
Layering epigenomic and transcriptomic space
Zhang et al. describe two technologies for the spatially resolved co-mapping of epigenome and transcriptome at near single-cell resolution.
- Kirsty Minton
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Research Highlight |
Genomic transformations of Eurasian hunter-gatherer populations during the last Ice Age
Two studies analysing ancient hunter-gatherer genomes report detailed insights into the history and interactions of West Eurasian hunter-gatherer groups and highlight the genetic replacement of entire Ice Age populations.
- Linda Koch
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Research Highlight |
Simultaneous sequencing of genome and epigenome
A study in Nature Biotechnology reports a whole-genome sequencing methodology that combines genome and epigenome sequencing in a single run.
- Linda Koch
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Journal Club |
Chromatin organization in red triangles
This journal club by Elisa Oricchio highlights two studies published in 2012, which used chromatin conformation capture methods to detect the formation of self-interacting chromatin regions, known as topologically associating domains (TADs).
- Elisa Oricchio
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Journal Club |
How Hi-C ignited the era of 3D genome biology
Magda Bienko highlights a landmark paper by Lieberman-Aiden et al., which in 2009 reported the development of high-throughput chromosome conformation capture (Hi-C), revolutionizing the field of 3D genome biology.
- Magda Bienko
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Review Article |
Navigating the pitfalls of mapping DNA and RNA modifications
The ability to map DNA and RNA modifications has improved our understanding of these marks, but in some cases inconsistent results have been problematic. Here, Kong et al. discuss how to recognize and resolve issues associated with commonly used sequencing-based approaches to minimize mapping errors.
- Yimeng Kong
- , Edward A. Mead
- & Gang Fang
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Review Article |
Probing the dynamic RNA structurome and its functions
In this Review, Spitale and Incarnato discuss how the application of sequencing-based RNA structure mapping methods to entire transcriptomes in living cells is providing insight into the RNA structurome, the dynamics of RNA ensembles and how RNA structure regulates cellular processes.
- Robert C. Spitale
- & Danny Incarnato
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Research Highlight |
Biomarker benchmarking
A paper in Cancer Cell reports genetic ancestry-associated differences in clinical outcomes when using tumour mutational burden as a biomarker in the context of immune checkpoint inhibitor therapy.
- Linda Koch
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Editorial |
Global cooperation for a global pandemic
The COVID-19 pandemic has highlighted the challenges and opportunities of our inter-connected world in responding to global crises.
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Research Highlight |
DNA Typewriter
A study in Nature describes ‘DNA Typewriter’, a prime-editing-based DNA recording technology that can capture the order of large numbers of distinct molecular events in mammalian cells.
- Kirsty Minton
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Research Highlight |
Charting the world’s microbiomes
Two recent studies report microbial genome and gene catalogues that archive oceanic and glacial genomic and functional diversity at scale and yield insights into their biosynthetic potential.
- Linda Koch
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Research Highlight |
Genome-scale single-cell CRISPR screens
A report in Cell takes single-cell CRISPR screens to genome scale and demonstrates how the transcriptional phenotypes can be used to resolve gene functions.
- Lucia Brunello
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Comment |
Reverting to old theories of ageing with new evidence for the role of somatic mutations
Somatic mutations accumulate with age in the genome of healthy individuals. Franco and Eriksson posit that recent sequencing data indicate a functional role for this increased mutational load in ageing and age-associated diseases.
- Irene Franco
- & Maria Eriksson
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Research Highlight |
Sex differences of oestradiol-mediated gene expression
Gegenhuber et al. now show that, in mice, a neonatal surge in oestradiol activates oestrogen receptor-α to drive a sustained male-typical gene expression programme that determines brain sexual differentiation.
- Katharine H. Wrighton
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Review Article |
Opportunities and challenges for the use of common controls in sequencing studies
Publicly available sequencing data can be used as external common controls for rare variant analyses but cautious sample ascertainment and processing is needed to avoid bias and confounding. The authors review opportunities and challenges for the robust use of common controls in genetic studies, including study design, infrastructure and quality control considerations.
- Genevieve L. Wojcik
- , Jessica Murphy
- & Audrey E. Hendricks
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Journal Club |
Genomic outbreak surveillance in resource-poor settings
Lillian Musila highlights a paper by Quick et al., which reported the use of portable nanopore sequencing for on-site, real-time genomic surveillance during the 2014–2016 Ebola virus epidemic.
- Lillian Musila
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Research Highlight |
The final pieces of the human genome
In six new studies published in Science, the Telomere-to-Telomere (T2T) Consortium reports the assembly and initial characterization of the final, previously unresolved 8% of the human genome.
- Michael Attwaters
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In Brief |
EpiDamID, a new single-cell multi-omics tool
A paper in Molecular Cell reports EpiDamID, a new tool for simultaneously profiling transcription and histone post-translation modifications in single cells.
- Dorothy Clyde
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In Brief |
Using cell-free DNA to infer gene expression
A paper in Nature Biotechnology describes epigenetic expression inference from cfDNA-sequencing (EPIC-seq), and demonstrates its use for non-invasive classification of cancers.
- Dorothy Clyde
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Journal Club |
New mutations predict clinical manifestation of complex traits
In this Journal Club, Ambroise Wonkam describes how whole-exome sequencing of genetically diverse populations of African ancestry can provide insights into both complex and Mendelian disease.
- Ambroise Wonkam
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Journal Club |
The genome that fuelled a Mexican scientific revolution
Carla Daniela Robles-Espinoza celebrates a paper that inspired a new generation of Mexican scientists.
- Carla Daniela Robles-Espinoza
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Review Article |
Single-cell atlases: shared and tissue-specific cell types across human organs
Single-cell transcriptomics is beginning to systematically define commonalities but also heterogeneity within and between organs for multiple human cell types. Here, the authors review emerging biological insights from cross-tissue single-cell transcriptomic studies into epithelial, fibroblast, vascular and immune cells.
- Rasa Elmentaite
- , Cecilia Domínguez Conde
- & Sarah A. Teichmann
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Review Article |
Temporal modelling using single-cell transcriptomics
In this Review, Ding, Sharon and Bar-Joseph discuss how dynamic features can be incorporated into single-cell transcriptomics studies, using both experimental and computational strategies to provide biological insights.
- Jun Ding
- , Nadav Sharon
- & Ziv Bar-Joseph
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Perspective |
Functional genomics data: privacy risk assessment and technological mitigation
This Perspective highlights privacy issues related to the sharing of functional genomics data, including genotype and phenotype information leakage from different functional genomics data types and their summarization steps. The authors also review the techniques that will enable broad sharing and analysis while maintaining privacy.
- Gamze Gürsoy
- , Tianxiao Li
- & Mark B. Gerstein
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Research Highlight |
Aneuploidy in the driving seat
Attempts to understand the role of aneuploidy in tumorigenesis have been hampered by conflicting results. Now, two new mouse models described in Genes and Development provide evidence that chromosome instability-induced aneuploidy drives T cell lymphomagenesis.
- Dorothy Clyde
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In Brief |
Cell interaction by multiplet sequencing
A new method called CIM-seq analyses pairwise co-occurrences of cell types across multiplets to identify cells that are in physical contact with each other in intact tissues.
- Linda Koch
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In Brief |
Long-read sequencing of new
Drosophila genomesKim et al. present a drosophilid genome resource comprising 101 de novo genome assemblies from 93 drosophilid species obtained by nanopore sequencing.
- Linda Koch